diff --git a/.buildkite/ci.yml b/.buildkite/ci.yml index 742b19c8ec..a0ab6dcf03 100644 --- a/.buildkite/ci.yml +++ b/.buildkite/ci.yml @@ -6,14 +6,7 @@ # # Changes to this file will be automatically uploaded on the next run # for a particular commit. -# -# Future tests machines to be added: -# - macOS 12 -# - Windows Server 2016 & 2019 -# - Amazon Linux 2 & 2023 -# - CentOS / RHEL / Fedora / other Linux distros -# - Docker containers -# - Rasberry Pi? + steps: # macOS aarch64 - key: "darwin-aarch64" @@ -26,16 +19,7 @@ steps: os: "darwin" arch: "aarch64" command: - - "./.buildkite/scripts/build-deps.sh" - - - key: "darwin-aarch64-build-zig" - label: ":darwin: aarch64 - build-zig" - agents: - queue: "build-darwin" - os: "darwin" - arch: "aarch64" - command: - - "./.buildkite/scripts/build-zig.sh darwin aarch64" + - "bun run build:ci --target dependencies" - key: "darwin-aarch64-build-cpp" label: ":darwin: aarch64 - build-cpp" @@ -43,21 +27,32 @@ steps: queue: "build-darwin" os: "darwin" arch: "aarch64" + env: + BUN_CPP_ONLY: "ON" command: - - "./.buildkite/scripts/build-cpp.sh" + - "bun run build:ci --target bun" + + - key: "darwin-aarch64-build-zig" + label: ":darwin: aarch64 - build-zig" + agents: + queue: "build-zig" + command: + - "bun run build:ci --target bun-zig --toolchain darwin-aarch64" - key: "darwin-aarch64-build-bun" label: ":darwin: aarch64 - build-bun" - depends_on: - - "darwin-aarch64-build-deps" - - "darwin-aarch64-build-zig" - - "darwin-aarch64-build-cpp" agents: queue: "build-darwin" os: "darwin" arch: "aarch64" + depends_on: + - "darwin-aarch64-build-deps" + - "darwin-aarch64-build-cpp" + - "darwin-aarch64-build-zig" + env: + BUN_LINK_ONLY: "ON" command: - - "./.buildkite/scripts/build-bun.sh" + - "bun run build:ci --target bun" - key: "darwin-aarch64-test-macos-14" label: ":darwin: 14 aarch64 - test-bun" @@ -126,16 +121,7 @@ steps: os: "darwin" arch: "x64" command: - - "./.buildkite/scripts/build-deps.sh" - - - key: "darwin-x64-build-zig" - label: ":darwin: x64 - build-zig" - agents: - queue: "build-darwin" - os: "darwin" - arch: "aarch64" - command: - - "./.buildkite/scripts/build-zig.sh darwin x64" + - "bun run build:ci --target dependencies" - key: "darwin-x64-build-cpp" label: ":darwin: x64 - build-cpp" @@ -143,26 +129,37 @@ steps: queue: "build-darwin" os: "darwin" arch: "x64" + env: + BUN_CPP_ONLY: "ON" command: - - "./.buildkite/scripts/build-cpp.sh" + - "bun run build:ci --target bun" + + - key: "darwin-x64-build-zig" + label: ":darwin: x64 - build-zig" + agents: + queue: "build-zig" + command: + - "bun run build:ci --target bun-zig --toolchain darwin-x64" - key: "darwin-x64-build-bun" label: ":darwin: x64 - build-bun" - depends_on: - - "darwin-x64-build-deps" - - "darwin-x64-build-zig" - - "darwin-x64-build-cpp" agents: queue: "build-darwin" os: "darwin" arch: "x64" + depends_on: + - "darwin-x64-build-deps" + - "darwin-x64-build-cpp" + - "darwin-x64-build-zig" + env: + BUN_LINK_ONLY: "ON" command: - - "./.buildkite/scripts/build-bun.sh" + - "bun run build:ci --target bun" - key: "darwin-x64-test-macos-14" label: ":darwin: 14 x64 - test-bun" if: "build.branch != 'main'" - parallelism: 2 + parallelism: 3 soft_fail: - exit_status: 2 retry: @@ -190,7 +187,7 @@ steps: - key: "darwin-x64-test-macos-13" label: ":darwin: 13 x64 - test-bun" if: "build.branch != 'main'" - parallelism: 2 + parallelism: 3 soft_fail: - exit_status: 2 retry: @@ -215,137 +212,6 @@ steps: command: - "./scripts/runner.node.mjs --step darwin-x64-build-bun" - # Linux aarch64 - - key: "linux-aarch64" - group: ":linux: aarch64" - steps: - - key: "linux-aarch64-build-deps" - label: ":linux: aarch64 - build-deps" - agents: - queue: "build-linux" - os: "linux" - arch: "aarch64" - command: - - "./.buildkite/scripts/build-deps.sh" - - - key: "linux-aarch64-build-zig" - label: ":linux: aarch64 - build-zig" - agents: - queue: "build-darwin" - os: "darwin" - arch: "aarch64" - command: - - "./.buildkite/scripts/build-zig.sh linux aarch64" - - - key: "linux-aarch64-build-cpp" - label: ":linux: aarch64 - build-cpp" - agents: - queue: "build-linux" - os: "linux" - arch: "aarch64" - command: - - "./.buildkite/scripts/build-cpp.sh" - - - key: "linux-aarch64-build-bun" - label: ":linux: aarch64 - build-bun" - depends_on: - - "linux-aarch64-build-deps" - - "linux-aarch64-build-zig" - - "linux-aarch64-build-cpp" - agents: - queue: "build-linux" - os: "linux" - arch: "aarch64" - command: - - "./.buildkite/scripts/build-bun.sh" - - - key: "linux-aarch64-test-debian-12" - label: ":debian: 12 aarch64 - test-bun" - if: "build.branch != 'main'" - parallelism: 5 - soft_fail: - - exit_status: 2 - retry: - automatic: - - exit_status: 1 - limit: 1 - - exit_status: -1 - limit: 3 - - exit_status: 255 - limit: 3 - - signal_reason: agent_stop - limit: 3 - - signal: SIGTERM - limit: 3 - depends_on: - - "linux-aarch64-build-bun" - agents: - robobun: "true" - os: "linux" - arch: "aarch64" - distro: "debian" - release: "12" - command: - - "./scripts/runner.node.mjs --step linux-aarch64-build-bun" - - - key: "linux-aarch64-test-ubuntu-2204" - label: ":ubuntu: 22.04 aarch64 - test-bun" - if: "build.branch != 'main'" - parallelism: 5 - soft_fail: - - exit_status: 2 - retry: - automatic: - - exit_status: 1 - limit: 1 - - exit_status: -1 - limit: 3 - - exit_status: 255 - limit: 3 - - signal_reason: agent_stop - limit: 3 - - signal: SIGTERM - limit: 3 - depends_on: - - "linux-aarch64-build-bun" - agents: - robobun: "true" - os: "linux" - arch: "aarch64" - distro: "ubuntu" - release: "22.04" - command: - - "./scripts/runner.node.mjs --step linux-aarch64-build-bun" - - - key: "linux-aarch64-test-ubuntu-2004" - label: ":ubuntu: 20.04 aarch64 - test-bun" - if: "build.branch != 'main'" - parallelism: 5 - soft_fail: - - exit_status: 2 - retry: - automatic: - - exit_status: 1 - limit: 1 - - exit_status: -1 - limit: 3 - - exit_status: 255 - limit: 3 - - signal_reason: agent_stop - limit: 3 - - signal: SIGTERM - limit: 3 - depends_on: - - "linux-aarch64-build-bun" - agents: - robobun: "true" - os: "linux" - arch: "aarch64" - distro: "ubuntu" - release: "20.04" - command: - - "./scripts/runner.node.mjs --step linux-aarch64-build-bun" - # Linux x64 - key: "linux-x64" group: ":linux: x64" @@ -357,16 +223,7 @@ steps: os: "linux" arch: "x64" command: - - "./.buildkite/scripts/build-deps.sh" - - - key: "linux-x64-build-zig" - label: ":linux: x64 - build-zig" - agents: - queue: "build-darwin" - os: "darwin" - arch: "aarch64" - command: - - "./.buildkite/scripts/build-zig.sh linux x64" + - "bun run build:ci --target dependencies" - key: "linux-x64-build-cpp" label: ":linux: x64 - build-cpp" @@ -374,26 +231,37 @@ steps: queue: "build-linux" os: "linux" arch: "x64" + env: + BUN_CPP_ONLY: "ON" command: - - "./.buildkite/scripts/build-cpp.sh" + - "bun run build:ci --target bun" + + - key: "linux-x64-build-zig" + label: ":linux: x64 - build-zig" + agents: + queue: "build-zig" + command: + - "bun run build:ci --target bun-zig --toolchain linux-x64" - key: "linux-x64-build-bun" label: ":linux: x64 - build-bun" - depends_on: - - "linux-x64-build-deps" - - "linux-x64-build-zig" - - "linux-x64-build-cpp" agents: queue: "build-linux" os: "linux" arch: "x64" + depends_on: + - "linux-x64-build-deps" + - "linux-x64-build-cpp" + - "linux-x64-build-zig" + env: + BUN_LINK_ONLY: "ON" command: - - "./.buildkite/scripts/build-bun.sh" + - "bun run build:ci --target bun" - key: "linux-x64-test-debian-12" label: ":debian: 12 x64 - test-bun" if: "build.branch != 'main'" - parallelism: 5 + parallelism: 10 soft_fail: - exit_status: 2 retry: @@ -422,7 +290,7 @@ steps: - key: "linux-x64-test-ubuntu-2204" label: ":ubuntu: 22.04 x64 - test-bun" if: "build.branch != 'main'" - parallelism: 5 + parallelism: 10 soft_fail: - exit_status: 2 retry: @@ -451,7 +319,7 @@ steps: - key: "linux-x64-test-ubuntu-2004" label: ":ubuntu: 20.04 x64 - test-bun" if: "build.branch != 'main'" - parallelism: 5 + parallelism: 10 soft_fail: - exit_status: 2 retry: @@ -487,17 +355,10 @@ steps: queue: "build-linux" os: "linux" arch: "x64" + env: + ENABLE_BASELINE: "ON" command: - - "./.buildkite/scripts/build-deps.sh" - - - key: "linux-x64-baseline-build-zig" - label: ":linux: x64-baseline - build-zig" - agents: - queue: "build-darwin" - os: "darwin" - arch: "aarch64" - command: - - "./.buildkite/scripts/build-zig.sh linux x64" + - "bun run build:ci --target dependencies" - key: "linux-x64-baseline-build-cpp" label: ":linux: x64-baseline - build-cpp" @@ -505,26 +366,41 @@ steps: queue: "build-linux" os: "linux" arch: "x64" + env: + ENABLE_BASELINE: "ON" + BUN_CPP_ONLY: "ON" command: - - "./.buildkite/scripts/build-cpp.sh" + - "bun run build:ci --target bun" + + - key: "linux-x64-baseline-build-zig" + label: ":linux: x64-baseline - build-zig" + agents: + queue: "build-zig" + env: + ENABLE_BASELINE: "ON" + command: + - "bun run build:ci --target bun-zig --toolchain linux-x64-baseline" - key: "linux-x64-baseline-build-bun" label: ":linux: x64-baseline - build-bun" - depends_on: - - "linux-x64-baseline-build-deps" - - "linux-x64-baseline-build-zig" - - "linux-x64-baseline-build-cpp" agents: queue: "build-linux" os: "linux" arch: "x64" + depends_on: + - "linux-x64-baseline-build-deps" + - "linux-x64-baseline-build-cpp" + - "linux-x64-baseline-build-zig" + env: + ENABLE_BASELINE: "ON" + BUN_LINK_ONLY: "ON" command: - - "./.buildkite/scripts/build-bun.sh" + - "bun run build:ci --target bun" - key: "linux-x64-baseline-test-debian-12" label: ":debian: 12 x64-baseline - test-bun" if: "build.branch != 'main'" - parallelism: 5 + parallelism: 10 soft_fail: - exit_status: 2 retry: @@ -553,7 +429,7 @@ steps: - key: "linux-x64-baseline-test-ubuntu-2204" label: ":ubuntu: 22.04 x64-baseline - test-bun" if: "build.branch != 'main'" - parallelism: 5 + parallelism: 10 soft_fail: - exit_status: 2 retry: @@ -582,7 +458,7 @@ steps: - key: "linux-x64-baseline-test-ubuntu-2004" label: ":ubuntu: 20.04 x64-baseline - test-bun" if: "build.branch != 'main'" - parallelism: 5 + parallelism: 10 soft_fail: - exit_status: 2 retry: @@ -608,6 +484,139 @@ steps: command: - "./scripts/runner.node.mjs --step linux-x64-baseline-build-bun" + # Linux aarch64 + - key: "linux-aarch64" + group: ":linux: aarch64" + steps: + - key: "linux-aarch64-build-deps" + label: ":linux: aarch64 - build-deps" + agents: + queue: "build-linux" + os: "linux" + arch: "aarch64" + command: + - "bun run build:ci --target dependencies" + + - key: "linux-aarch64-build-cpp" + label: ":linux: aarch64 - build-cpp" + agents: + queue: "build-linux" + os: "linux" + arch: "aarch64" + env: + BUN_CPP_ONLY: "ON" + command: + - "bun run build:ci --target bun" + + - key: "linux-aarch64-build-zig" + label: ":linux: aarch64 - build-zig" + agents: + queue: "build-zig" + command: + - "bun run build:ci --target bun-zig --toolchain linux-aarch64" + + - key: "linux-aarch64-build-bun" + label: ":linux: aarch64 - build-bun" + agents: + queue: "build-linux" + os: "linux" + arch: "aarch64" + depends_on: + - "linux-aarch64-build-deps" + - "linux-aarch64-build-cpp" + - "linux-aarch64-build-zig" + env: + BUN_LINK_ONLY: "ON" + command: + - "bun run build:ci --target bun" + + - key: "linux-aarch64-test-debian-12" + label: ":debian: 12 aarch64 - test-bun" + if: "build.branch != 'main'" + parallelism: 10 + soft_fail: + - exit_status: 2 + retry: + automatic: + - exit_status: 1 + limit: 1 + - exit_status: -1 + limit: 3 + - exit_status: 255 + limit: 3 + - signal_reason: agent_stop + limit: 3 + - signal: SIGTERM + limit: 3 + depends_on: + - "linux-aarch64-build-bun" + agents: + robobun: "true" + os: "linux" + arch: "aarch64" + distro: "debian" + release: "12" + command: + - "./scripts/runner.node.mjs --step linux-aarch64-build-bun" + + - key: "linux-aarch64-test-ubuntu-2204" + label: ":ubuntu: 22.04 aarch64 - test-bun" + if: "build.branch != 'main'" + parallelism: 10 + soft_fail: + - exit_status: 2 + retry: + automatic: + - exit_status: 1 + limit: 1 + - exit_status: -1 + limit: 3 + - exit_status: 255 + limit: 3 + - signal_reason: agent_stop + limit: 3 + - signal: SIGTERM + limit: 3 + depends_on: + - "linux-aarch64-build-bun" + agents: + robobun: "true" + os: "linux" + arch: "aarch64" + distro: "ubuntu" + release: "22.04" + command: + - "./scripts/runner.node.mjs --step linux-aarch64-build-bun" + + - key: "linux-aarch64-test-ubuntu-2004" + label: ":ubuntu: 20.04 aarch64 - test-bun" + if: "build.branch != 'main'" + parallelism: 10 + soft_fail: + - exit_status: 2 + retry: + automatic: + - exit_status: 1 + limit: 1 + - exit_status: -1 + limit: 3 + - exit_status: 255 + limit: 3 + - signal_reason: agent_stop + limit: 3 + - signal: SIGTERM + limit: 3 + depends_on: + - "linux-aarch64-build-bun" + agents: + robobun: "true" + os: "linux" + arch: "aarch64" + distro: "ubuntu" + release: "20.04" + command: + - "./scripts/runner.node.mjs --step linux-aarch64-build-bun" + # Windows x64 - key: "windows-x64" group: ":windows: x64" @@ -618,21 +627,12 @@ steps: queue: "build-windows" os: "windows" arch: "x64" - artifact_paths: - - "build\\bun-deps\\*.lib" - env: - CCACHE_DISABLE: "1" + retry: + automatic: + - exit_status: 255 + limit: 5 command: - - ".\\scripts\\all-dependencies.ps1" - - - key: "windows-x64-build-zig" - label: ":windows: x64 - build-zig" - agents: - queue: "build-darwin" - os: "darwin" # cross-compile on Linux or Darwin - arch: "aarch64" - command: - - "./.buildkite/scripts/build-zig.sh windows x64" + - "bun run build:ci --target dependencies" - key: "windows-x64-build-cpp" label: ":windows: x64 - build-cpp" @@ -640,33 +640,40 @@ steps: queue: "build-windows" os: "windows" arch: "x64" - artifact_paths: - # HACK: See scripts/build-bun-cpp.ps1 - # - "build\\bun-cpp-objects.a" - - "build\\bun-cpp-objects.a.*" + retry: + automatic: + - exit_status: 255 + limit: 5 env: - CCACHE_DISABLE: "1" + BUN_CPP_ONLY: "ON" command: - - ".\\scripts\\build-bun-cpp.ps1" + - "bun run build:ci --target bun" + + - key: "windows-x64-build-zig" + label: ":windows: x64 - build-zig" + agents: + queue: "build-zig" + command: + - "bun run build:ci --target bun-zig --toolchain windows-x64" - key: "windows-x64-build-bun" label: ":windows: x64 - build-bun" - depends_on: - - "windows-x64-build-deps" - - "windows-x64-build-zig" - - "windows-x64-build-cpp" agents: queue: "build-windows" os: "windows" arch: "x64" - artifact_paths: - - "bun-windows-x64.zip" - - "bun-windows-x64-profile.zip" - - "features.json" + depends_on: + - "windows-x64-build-deps" + - "windows-x64-build-cpp" + - "windows-x64-build-zig" + retry: + automatic: + - exit_status: 255 + limit: 5 env: - CCACHE_DISABLE: "1" + BUN_LINK_ONLY: "ON" command: - - ".\\scripts\\buildkite-link-bun.ps1" + - "bun run build:ci --target bun" - key: "windows-x64-test-bun" label: ":windows: x64 - test-bun" @@ -703,22 +710,14 @@ steps: queue: "build-windows" os: "windows" arch: "x64" - artifact_paths: - - "build\\bun-deps\\*.lib" + retry: + automatic: + - exit_status: 255 + limit: 5 env: - CCACHE_DISABLE: "1" - USE_BASELINE_BUILD: "1" + ENABLE_BASELINE: "ON" command: - - ".\\scripts\\all-dependencies.ps1" - - - key: "windows-x64-baseline-build-zig" - label: ":windows: x64-baseline - build-zig" - agents: - queue: "build-darwin" - os: "darwin" # cross-compile on Linux or Darwin - arch: "aarch64" - command: - - "./.buildkite/scripts/build-zig.sh windows x64" + - "bun run build:ci --target dependencies" - key: "windows-x64-baseline-build-cpp" label: ":windows: x64-baseline - build-cpp" @@ -726,35 +725,44 @@ steps: queue: "build-windows" os: "windows" arch: "x64" - artifact_paths: - # HACK: See scripts/build-bun-cpp.ps1 - # - "build\\bun-cpp-objects.a" - - "build\\bun-cpp-objects.a.*" + retry: + automatic: + - exit_status: 255 + limit: 5 env: - CCACHE_DISABLE: "1" - USE_BASELINE_BUILD: "1" + ENABLE_BASELINE: "ON" + BUN_CPP_ONLY: "ON" command: - - ".\\scripts\\build-bun-cpp.ps1" + - "bun run build:ci --target bun" + + - key: "windows-x64-baseline-build-zig" + label: ":windows: x64-baseline - build-zig" + agents: + queue: "build-zig" + env: + ENABLE_BASELINE: "ON" + command: + - "bun run build:ci --target bun-zig --toolchain windows-x64-baseline" - key: "windows-x64-baseline-build-bun" label: ":windows: x64-baseline - build-bun" - depends_on: - - "windows-x64-baseline-build-deps" - - "windows-x64-baseline-build-zig" - - "windows-x64-baseline-build-cpp" agents: queue: "build-windows" os: "windows" arch: "x64" - artifact_paths: - - "bun-windows-x64-baseline.zip" - - "bun-windows-x64-baseline-profile.zip" - - "features.json" + depends_on: + - "windows-x64-baseline-build-deps" + - "windows-x64-baseline-build-cpp" + - "windows-x64-baseline-build-zig" + retry: + automatic: + - exit_status: 255 + limit: 5 env: - CCACHE_DISABLE: "1" - USE_BASELINE_BUILD: "1" + ENABLE_BASELINE: "ON" + BUN_LINK_ONLY: "ON" command: - - ".\\scripts\\buildkite-link-bun.ps1 -Baseline $$True" + - "bun run build:ci --target bun" - key: "windows-x64-baseline-test-bun" label: ":windows: x64-baseline - test-bun" diff --git a/.buildkite/scripts/build-bun.sh b/.buildkite/scripts/build-bun.sh deleted file mode 100755 index 30cf6c083d..0000000000 --- a/.buildkite/scripts/build-bun.sh +++ /dev/null @@ -1,62 +0,0 @@ -#!/bin/bash - -set -eo pipefail -source "$(dirname "$0")/env.sh" - -function run_command() { - set -x - "$@" - { set +x; } 2>/dev/null -} - -cwd="$(pwd)" - -mkdir -p build -source "$(dirname "$0")/download-artifact.sh" "build/bun-deps/**" --step "$BUILDKITE_GROUP_KEY-build-deps" -source "$(dirname "$0")/download-artifact.sh" "build/bun-zig.o" --step "$BUILDKITE_GROUP_KEY-build-zig" -source "$(dirname "$0")/download-artifact.sh" "build/bun-cpp-objects.a" --step "$BUILDKITE_GROUP_KEY-build-cpp" --split -cd build - -run_command cmake .. "${CMAKE_FLAGS[@]}" \ - -GNinja \ - -DBUN_LINK_ONLY="1" \ - -DNO_CONFIGURE_DEPENDS="1" \ - -DBUN_ZIG_OBJ_DIR="$cwd/build" \ - -DBUN_CPP_ARCHIVE="$cwd/build/bun-cpp-objects.a" \ - -DBUN_DEPS_OUT_DIR="$cwd/build/bun-deps" \ - -DCMAKE_BUILD_TYPE="$CMAKE_BUILD_TYPE" \ - -DCPU_TARGET="$CPU_TARGET" \ - -DUSE_LTO="$USE_LTO" \ - -DUSE_DEBUG_JSC="$USE_DEBUG_JSC" \ - -DCANARY="$CANARY" \ - -DGIT_SHA="$GIT_SHA" -run_command ninja -v -j "$CPUS" -run_command ls - -tag="bun-$BUILDKITE_GROUP_KEY" -if [ "$USE_LTO" == "OFF" ]; then - # Remove OS check when LTO is enabled on macOS again - if [[ "$tag" == *"darwin"* ]]; then - tag="$tag-nolto" - fi -fi - -for name in bun bun-profile; do - dir="$tag" - if [ "$name" == "bun-profile" ]; then - dir="$tag-profile" - fi - run_command chmod +x "$name" - run_command "./$name" --revision - run_command mkdir -p "$dir" - run_command mv "$name" "$dir/$name" - run_command zip -r "$dir.zip" "$dir" - source "$cwd/.buildkite/scripts/upload-artifact.sh" "$dir.zip" - # temporary disable this so CI can run - # this is failing because $name is now in $dir/$name and if changed to $dir/$name we get ENOENT reading "bun:internal-for-testing" - # if [ "$name" == "bun-profile" ]; then - # export BUN_FEATURE_FLAG_INTERNAL_FOR_TESTING="1" - # run_command "./$name" -e "require('fs').writeFileSync('./features.json', JSON.stringify(require('bun:internal-for-testing').crash_handler.getFeatureData()))" - # source "$cwd/.buildkite/scripts/upload-artifact.sh" "features.json" - # fi -done diff --git a/.buildkite/scripts/build-cpp.sh b/.buildkite/scripts/build-cpp.sh deleted file mode 100755 index f1a973580b..0000000000 --- a/.buildkite/scripts/build-cpp.sh +++ /dev/null @@ -1,37 +0,0 @@ -#!/bin/bash - -set -eo pipefail -export FORCE_UPDATE_SUBMODULES=1 - -# env.sh calls update_submodules.sh -source "$(dirname "$0")/env.sh" - -{ set +x; } 2>/dev/null - -function run_command() { - set -x - "$@" - { set +x; } 2>/dev/null -} - -mkdir -p build -cd build -mkdir -p tmp_modules tmp_functions js codegen - -run_command cmake .. "${CMAKE_FLAGS[@]}" \ - -GNinja \ - -DBUN_CPP_ONLY="1" \ - -DNO_CONFIGURE_DEPENDS="1" \ - -DCMAKE_BUILD_TYPE="$CMAKE_BUILD_TYPE" \ - -DCPU_TARGET="$CPU_TARGET" \ - -DUSE_LTO="$USE_LTO" \ - -DUSE_DEBUG_JSC="$USE_DEBUG_JSC" \ - -DCANARY="$CANARY" \ - -DGIT_SHA="$GIT_SHA" - -chmod +x compile-cpp-only.sh -source compile-cpp-only.sh -v -j "$CPUS" -{ set +x; } 2>/dev/null - -cd .. -source "$(dirname "$0")/upload-artifact.sh" "build/bun-cpp-objects.a" --split diff --git a/.buildkite/scripts/build-deps.ps1 b/.buildkite/scripts/build-deps.ps1 deleted file mode 100644 index e69de29bb2..0000000000 diff --git a/.buildkite/scripts/build-deps.sh b/.buildkite/scripts/build-deps.sh deleted file mode 100755 index e736fb43ff..0000000000 --- a/.buildkite/scripts/build-deps.sh +++ /dev/null @@ -1,22 +0,0 @@ -#!/bin/bash - -set -eo pipefail -source "$(dirname "$0")/env.sh" -source "$(realpath $(dirname "$0")/../../scripts/all-dependencies.sh)" - -artifacts=( - libcrypto.a libssl.a libdecrepit.a - libcares.a - libarchive.a - liblolhtml.a - libmimalloc.a libmimalloc.o - libtcc.a - libz.a - libzstd.a - libdeflate.a - liblshpack.a -) - -for artifact in "${artifacts[@]}"; do - source "$(dirname "$0")/upload-artifact.sh" "build/bun-deps/$artifact" -done diff --git a/.buildkite/scripts/build-old-js.sh b/.buildkite/scripts/build-old-js.sh deleted file mode 100755 index 92484aebe1..0000000000 --- a/.buildkite/scripts/build-old-js.sh +++ /dev/null @@ -1,40 +0,0 @@ -#!/bin/bash - -set -eo pipefail -source "$(dirname "$0")/env.sh" - -function assert_bun() { - if ! command -v bun &>/dev/null; then - echo "error: bun is not installed" 1>&2 - exit 1 - fi -} - -function assert_make() { - if ! command -v make &>/dev/null; then - echo "error: make is not installed" 1>&2 - exit 1 - fi -} - -function run_command() { - set -x - "$@" - { set +x; } 2>/dev/null -} - -function build_node_fallbacks() { - local cwd="src/node-fallbacks" - run_command bun install --cwd "$cwd" --frozen-lockfile - run_command bun run --cwd "$cwd" build -} - -function build_old_js() { - run_command bun install --frozen-lockfile - run_command make runtime_js fallback_decoder bun_error -} - -assert_bun -assert_make -build_node_fallbacks -build_old_js diff --git a/.buildkite/scripts/build-zig.sh b/.buildkite/scripts/build-zig.sh deleted file mode 100755 index 2feb257bfc..0000000000 --- a/.buildkite/scripts/build-zig.sh +++ /dev/null @@ -1,101 +0,0 @@ -#!/bin/bash - -set -euo pipefail - -export CMAKE_FLAGS="" -source "$(dirname "$0")/env.sh" - -if [[ -n "$CMAKE_FLAGS" ]]; then - echo "CMAKE_FLAGS should not be empty" - exit 1 -fi - -function assert_target() { - local arch="${2-$(uname -m)}" - case "$(echo "$arch" | tr '[:upper:]' '[:lower:]')" in - x64 | x86_64 | amd64) - export ZIG_ARCH="x86_64" - if [[ "$BUILDKITE_STEP_KEY" == *"baseline"* ]]; then - export ZIG_CPU_TARGET="nehalem" - else - export ZIG_CPU_TARGET="haswell" - fi - ;; - aarch64 | arm64) - export ZIG_ARCH="aarch64" - export ZIG_CPU_TARGET="native" - ;; - *) - echo "error: Unsupported architecture: $arch" 1>&2 - exit 1 - ;; - esac - local os="${1-$(uname -s)}" - case "$(echo "$os" | tr '[:upper:]' '[:lower:]')" in - linux) - export ZIG_OS="linux" - export ZIG_TARGET="$ZIG_ARCH-linux-gnu" - ;; - darwin) - export ZIG_OS="macos" - export ZIG_TARGET="$ZIG_ARCH-macos-none" - ;; - windows) - export ZIG_OS="windows" - export ZIG_TARGET="$ZIG_ARCH-windows-msvc" - ;; - *) - echo "error: Unsupported operating system: $os" 1>&2 - exit 1 - ;; - esac -} - -function run_command() { - set -x - "$@" - { set +x; } 2>/dev/null -} - -assert_target "$@" - -# Since the zig build depends on files from the zig submodule, -# make sure to update the submodule before building. -run_command git submodule update --init --recursive --progress --depth=1 --checkout src/deps/zig - -# TODO: Move these to be part of the CMake build -source "$(dirname "$0")/build-old-js.sh" - -cwd="$(pwd)" -mkdir -p build -cd build - -# in buildkite this script to compile for windows is run on a macos machine -# so the cmake windows detection for this logic is not ran -ZIG_OPTIMIZE="ReleaseFast" -if [[ "$ZIG_OS" == "windows" ]]; then - ZIG_OPTIMIZE="ReleaseSafe" -fi - -run_command cmake .. "${CMAKE_FLAGS[@]}" \ - -GNinja \ - -DNO_CONFIGURE_DEPENDS="1" \ - -DNO_CODEGEN="0" \ - -DWEBKIT_DIR="omit" \ - -DBUN_ZIG_OBJ_DIR="$cwd/build" \ - -DZIG_LIB_DIR="$cwd/src/deps/zig/lib" \ - -DCMAKE_BUILD_TYPE="$CMAKE_BUILD_TYPE" \ - -DARCH="$ZIG_ARCH" \ - -DCPU_TARGET="$ZIG_CPU_TARGET" \ - -DZIG_TARGET="$ZIG_TARGET" \ - -DUSE_LTO="$USE_LTO" \ - -DUSE_DEBUG_JSC="$USE_DEBUG_JSC" \ - -DCANARY="$CANARY" \ - -DZIG_OPTIMIZE="$ZIG_OPTIMIZE" \ - -DGIT_SHA="$GIT_SHA" - -export ONLY_ZIG="1" -run_command ninja "$cwd/build/bun-zig.o" -v -j "$CPUS" - -cd .. -source "$(dirname "$0")/upload-artifact.sh" "build/bun-zig.o" diff --git a/.buildkite/scripts/download-artifact.ps1 b/.buildkite/scripts/download-artifact.ps1 deleted file mode 100755 index 0504474077..0000000000 --- a/.buildkite/scripts/download-artifact.ps1 +++ /dev/null @@ -1,47 +0,0 @@ -param ( - [Parameter(Mandatory=$true)] - [string[]] $Paths, - [switch] $Split -) - -$ErrorActionPreference = "Stop" - -function Assert-Buildkite-Agent() { - if (-not (Get-Command "buildkite-agent" -ErrorAction SilentlyContinue)) { - Write-Error "Cannot find buildkite-agent, please install it: https://buildkite.com/docs/agent/v3/install" - exit 1 - } -} - -function Assert-Join-File() { - if (-not (Get-Command "Join-File" -ErrorAction SilentlyContinue)) { - Write-Error "Cannot find Join-File, please install it: https://www.powershellgallery.com/packages/FileSplitter/1.3" - exit 1 - } -} - -function Download-Buildkite-Artifact() { - param ( - [Parameter(Mandatory=$true)] - [string] $Path, - ) - if ($Split) { - & buildkite-agent artifact download "$Path.*" --debug --debug-http - Join-File -Path "$(Resolve-Path .)\$Path" -Verbose -DeletePartFiles - } else { - & buildkite-agent artifact download "$Path" --debug --debug-http - } - if (-not (Test-Path $Path)) { - Write-Error "Could not find artifact: $Path" - exit 1 - } -} - -Assert-Buildkite-Agent -if ($Split) { - Assert-Join-File -} - -foreach ($Path in $Paths) { - Download-Buildkite-Artifact $Path -} diff --git a/.buildkite/scripts/download-artifact.sh b/.buildkite/scripts/download-artifact.sh deleted file mode 100755 index 76b48535a0..0000000000 --- a/.buildkite/scripts/download-artifact.sh +++ /dev/null @@ -1,59 +0,0 @@ -#!/bin/bash - -set -euo pipefail - -function assert_buildkite_agent() { - if ! command -v buildkite-agent &>/dev/null; then - echo "error: Cannot find buildkite-agent, please install it:" - echo "https://buildkite.com/docs/agent/v3/install" - exit 1 - fi -} - -function download_buildkite_artifact() { - # Check if at least one argument is provided - if [ $# -eq 0 ]; then - echo "error: No path provided for artifact download" - exit 1 - fi - - local path="$1" - shift - local split="0" - local args=() - - while [ $# -gt 0 ]; do - case "$1" in - --split) - split="1" - shift - ;; - *) - args+=("$1") - shift - ;; - esac - done - - if [ "$split" == "1" ]; then - run_command buildkite-agent artifact download "$path.*" . "${args[@]:-}" - run_command cat "$path".?? >"$path" - run_command rm -f "$path".?? - else - run_command buildkite-agent artifact download "$path" . "${args[@]:-}" - fi - - if [[ "$path" != *"*"* ]] && [ ! -f "$path" ]; then - echo "error: Could not find artifact: $path" - exit 1 - fi -} - -function run_command() { - set -x - "$@" - { set +x; } 2>/dev/null -} - -assert_buildkite_agent -download_buildkite_artifact "$@" diff --git a/.buildkite/scripts/env.sh b/.buildkite/scripts/env.sh deleted file mode 100755 index dfca30d6f2..0000000000 --- a/.buildkite/scripts/env.sh +++ /dev/null @@ -1,146 +0,0 @@ -#!/bin/bash - -set -euo pipefail - -BUILDKITE_REPO=${BUILDKITE_REPO:-} -BUILDKITE_CLEAN_CHECKOUT=${BUILDKITE_CLEAN_CHECKOUT:-} -BUILDKITE_BRANCH=${BUILDKITE_BRANCH:-} -CCACHE_DIR=${CCACHE_DIR:-} -SCCACHE_DIR=${SCCACHE_DIR:-} -ZIG_LOCAL_CACHE_DIR=${ZIG_LOCAL_CACHE_DIR:-} -ZIG_GLOBAL_CACHE_DIR=${ZIG_GLOBAL_CACHE_DIR:-} -BUN_DEPS_CACHE_DIR=${BUN_DEPS_CACHE_DIR:-} -BUN_DEPS_CACHE_DIR=${BUN_DEPS_CACHE_DIR:-} -BUILDKITE_STEP_KEY=${BUILDKITE_STEP_KEY:-} - -ROOT_DIR="$(realpath "$(dirname "$0")/../../")" - -# Fail if we cannot find the root directory -if [ ! -d "$ROOT_DIR" ]; then - echo "error: Cannot find root directory: '$ROOT_DIR'" 1>&2 - exit 1 -fi - -function assert_os() { - local os="$(uname -s)" - case "$os" in - Linux) - echo "linux" - ;; - Darwin) - echo "darwin" - ;; - *) - echo "error: Unsupported operating system: $os" 1>&2 - exit 1 - ;; - esac -} - -function assert_arch() { - local arch="$(uname -m)" - case "$arch" in - aarch64 | arm64) - echo "aarch64" - ;; - x86_64 | amd64) - echo "x64" - ;; - *) - echo "error: Unknown architecture: $arch" 1>&2 - exit 1 - ;; - esac -} - -function assert_build() { - if [ -z "$BUILDKITE_REPO" ]; then - echo "error: Cannot find repository for this build" - exit 1 - fi - if [ -z "$BUILDKITE_COMMIT" ]; then - echo "error: Cannot find commit for this build" - exit 1 - fi - if [ -z "$BUILDKITE_STEP_KEY" ]; then - echo "error: Cannot find step key for this build" - exit 1 - fi - if [ -n "$BUILDKITE_GROUP_KEY" ] && [[ "$BUILDKITE_STEP_KEY" != "$BUILDKITE_GROUP_KEY"* ]]; then - echo "error: Build step '$BUILDKITE_STEP_KEY' does not start with group key '$BUILDKITE_GROUP_KEY'" - exit 1 - fi - # Skip os and arch checks for Zig, since it's cross-compiled on macOS - if [[ "$BUILDKITE_STEP_KEY" != *"zig"* ]]; then - local os="$(assert_os)" - if [[ "$BUILDKITE_STEP_KEY" != *"$os"* ]]; then - echo "error: Build step '$BUILDKITE_STEP_KEY' does not match operating system '$os'" - exit 1 - fi - local arch="$(assert_arch)" - if [[ "$BUILDKITE_STEP_KEY" != *"$arch"* ]]; then - echo "error: Build step '$BUILDKITE_STEP_KEY' does not match architecture '$arch'" - exit 1 - fi - fi -} - -function assert_buildkite_agent() { - if (! command -v buildkite-agent &>/dev/null); then - echo "error: Cannot find buildkite-agent, please install it:" - echo "https://buildkite.com/docs/agent/v3/install" - exit 1 - fi -} - -function export_environment() { - source "${ROOT_DIR}/scripts/env.sh" - source "${ROOT_DIR}/scripts/update-submodules.sh" - - { set +x; } 2>/dev/null - export GIT_SHA="$BUILDKITE_COMMIT" - if [ "$BUILDKITE_CLEAN_CHECKOUT" == "true" ] || [ "$BUILDKITE_BRANCH" == "main" ]; then - local tmpdir="$(mktemp -d 2>/dev/null || mktemp -d -t 'new')" - export CCACHE_DIR="$tmpdir/.cache/ccache" - export SCCACHE_DIR="$tmpdir/.cache/sccache" - export ZIG_LOCAL_CACHE_DIR="$tmpdir/.cache/zig-cache" - export ZIG_GLOBAL_CACHE_DIR="$tmpdir/.cache/zig-cache" - export BUN_DEPS_CACHE_DIR="$tmpdir/.cache/bun-deps" - export CCACHE_RECACHE="1" - else - export CCACHE_DIR="$HOME/.cache/ccache/$BUILDKITE_STEP_KEY" - export SCCACHE_DIR="$HOME/.cache/sccache/$BUILDKITE_STEP_KEY" - export ZIG_LOCAL_CACHE_DIR="$HOME/.cache/zig-cache/$BUILDKITE_STEP_KEY" - export ZIG_GLOBAL_CACHE_DIR="$HOME/.cache/zig-cache/$BUILDKITE_STEP_KEY" - export BUN_DEPS_CACHE_DIR="$HOME/.cache/bun-deps/$BUILDKITE_STEP_KEY" - fi - if [ "$(assert_os)" == "linux" ]; then - export USE_LTO="ON" - fi - if [ "$(assert_arch)" == "aarch64" ]; then - export CPU_TARGET="native" - elif [[ "$BUILDKITE_STEP_KEY" == *"baseline"* ]]; then - export CPU_TARGET="nehalem" - else - export CPU_TARGET="haswell" - fi - if $(buildkite-agent meta-data exists release &>/dev/null); then - export CMAKE_BUILD_TYPE="$(buildkite-agent meta-data get release)" - else - export CMAKE_BUILD_TYPE="Release" - fi - if $(buildkite-agent meta-data exists canary &>/dev/null); then - export CANARY="$(buildkite-agent meta-data get canary)" - else - export CANARY="1" - fi - if $(buildkite-agent meta-data exists assertions &>/dev/null); then - export USE_DEBUG_JSC="$(buildkite-agent meta-data get assertions)" - else - export USE_DEBUG_JSC="OFF" - fi -} - -assert_build -assert_buildkite_agent -export_environment diff --git a/.buildkite/scripts/upload-artifact.ps1 b/.buildkite/scripts/upload-artifact.ps1 deleted file mode 100755 index b7d79a410b..0000000000 --- a/.buildkite/scripts/upload-artifact.ps1 +++ /dev/null @@ -1,47 +0,0 @@ -param ( - [Parameter(Mandatory=$true)] - [string[]] $Paths, - [switch] $Split -) - -$ErrorActionPreference = "Stop" - -function Assert-Buildkite-Agent() { - if (-not (Get-Command "buildkite-agent" -ErrorAction SilentlyContinue)) { - Write-Error "Cannot find buildkite-agent, please install it: https://buildkite.com/docs/agent/v3/install" - exit 1 - } -} - -function Assert-Split-File() { - if (-not (Get-Command "Split-File" -ErrorAction SilentlyContinue)) { - Write-Error "Cannot find Split-File, please install it: https://www.powershellgallery.com/packages/FileSplitter/1.3" - exit 1 - } -} - -function Upload-Buildkite-Artifact() { - param ( - [Parameter(Mandatory=$true)] - [string] $Path, - ) - if (-not (Test-Path $Path)) { - Write-Error "Could not find artifact: $Path" - exit 1 - } - if ($Split) { - Remove-Item -Path "$Path.*" -Force - Split-File -Path (Resolve-Path $Path) -PartSizeBytes "50MB" -Verbose - $Path = "$Path.*" - } - & buildkite-agent artifact upload "$Path" --debug --debug-http -} - -Assert-Buildkite-Agent -if ($Split) { - Assert-Split-File -} - -foreach ($Path in $Paths) { - Upload-Buildkite-Artifact $Path -} diff --git a/.buildkite/scripts/upload-artifact.sh b/.buildkite/scripts/upload-artifact.sh deleted file mode 100755 index ec3628de64..0000000000 --- a/.buildkite/scripts/upload-artifact.sh +++ /dev/null @@ -1,71 +0,0 @@ -#!/bin/bash - -set -euo pipefail - -function assert_buildkite_agent() { - if ! command -v buildkite-agent &>/dev/null; then - echo "error: Cannot find buildkite-agent, please install it:" - echo "https://buildkite.com/docs/agent/v3/install" - exit 1 - fi -} - -function assert_split() { - if ! command -v split &>/dev/null; then - echo "error: Cannot find split, please install it:" - echo "https://www.gnu.org/software/coreutils/split" - exit 1 - fi -} - -function upload_buildkite_artifact() { - if [ -z "${1:-}" ]; then - return - fi - - local path="$1" - shift - local split="0" - local args=() # Initialize args as an empty array - while true; do - if [ -z "${1:-}" ]; then - break - fi - case "$1" in - --split) - split="1" - shift - ;; - *) - args+=("$1") - shift - ;; - esac - done - if [ ! -f "$path" ]; then - echo "error: Could not find artifact: $path" - exit 1 - fi - if [ "$split" == "1" ]; then - run_command rm -f "$path."* - run_command split -b 50MB -d "$path" "$path." - if [ "${args[@]:-}" != "" ]; then - run_command buildkite-agent artifact upload "$path.*" "${args[@]}" - else - run_command buildkite-agent artifact upload "$path.*" - fi - elif [ "${args[@]:-}" != "" ]; then - run_command buildkite-agent artifact upload "$path" "${args[@]:-}" - else - run_command buildkite-agent artifact upload "$path" - fi -} - -function run_command() { - set -x - "$@" - { set +x; } 2>/dev/null -} - -assert_buildkite_agent -upload_buildkite_artifact "$@" diff --git a/.clang-tidy b/.clang-tidy new file mode 100644 index 0000000000..56bea1f588 --- /dev/null +++ b/.clang-tidy @@ -0,0 +1,9 @@ +WarningsAsErrors: "*" +FormatStyle: webkit +Checks: > + -*, + clang-analyzer-*, + -clang-analyzer-optin.core.EnumCastOutOfRange + -clang-analyzer-webkit.UncountedLambdaCapturesChecker + -clang-analyzer-optin.core.EnumCastOutOfRange + -clang-analyzer-webkit.RefCntblBaseVirtualDtor diff --git a/.github/workflows/lint-cpp.yml b/.github/workflows/lint-cpp.yml index 6dffbf0599..2346c16393 100644 --- a/.github/workflows/lint-cpp.yml +++ b/.github/workflows/lint-cpp.yml @@ -13,12 +13,12 @@ on: run-id: type: string description: The workflow ID to download artifacts (skips the build step) - pull_request: - paths: - - ".github/workflows/lint-cpp.yml" - - "**/*.cpp" - - "src/deps/**/*" - - "CMakeLists.txt" + # pull_request: + # paths: + # - ".github/workflows/lint-cpp.yml" + # - "**/*.cpp" + # - "src/deps/**/*" + # - "CMakeLists.txt" jobs: lint-cpp: diff --git a/.gitignore b/.gitignore index a0c4419668..d2b8e54639 100644 --- a/.gitignore +++ b/.gitignore @@ -146,3 +146,20 @@ zig-out test/node.js/upstream .zig-cache scripts/env.local + +# Dependencies +/src/bun.js/WebKit +/src/deps/boringssl +/src/deps/brotli +/src/deps/c*ares +/src/deps/lol*html +/src/deps/libarchive +/src/deps/libdeflate +/src/deps/libuv +/src/deps/ls*hpack +/src/deps/mimalloc +/src/deps/picohttpparser +/src/deps/tinycc +/src/deps/zstd +/src/deps/zlib +/src/deps/zig diff --git a/.gitmodules b/.gitmodules deleted file mode 100644 index c5069240a4..0000000000 --- a/.gitmodules +++ /dev/null @@ -1,88 +0,0 @@ -[submodule "src/javascript/jsc/WebKit"] -path = src/bun.js/WebKit -url = https://github.com/oven-sh/WebKit.git -ignore = dirty -depth = 1 -update = none -shallow = true -fetchRecurseSubmodules = false -[submodule "src/deps/picohttpparser"] -path = src/deps/picohttpparser -url = https://github.com/h2o/picohttpparser.git -ignore = dirty -depth = 1 -shallow = true -fetchRecurseSubmodules = false -[submodule "src/deps/mimalloc"] -path = src/deps/mimalloc -url = https://github.com/Jarred-Sumner/mimalloc.git -ignore = dirty -depth = 1 -shallow = true -fetchRecurseSubmodules = false -[submodule "src/deps/zlib"] -path = src/deps/zlib -url = https://github.com/cloudflare/zlib.git -ignore = dirty -depth = 1 -shallow = true -fetchRecurseSubmodules = false -[submodule "src/deps/libarchive"] -path = src/deps/libarchive -url = https://github.com/libarchive/libarchive.git -ignore = dirty -depth = 1 -shallow = true -fetchRecurseSubmodules = false -[submodule "src/deps/boringssl"] -path = src/deps/boringssl -url = https://github.com/oven-sh/boringssl.git -ignore = dirty -depth = 1 -shallow = true -fetchRecurseSubmodules = false -[submodule "src/deps/lol-html"] -path = src/deps/lol-html -url = https://github.com/cloudflare/lol-html -ignore = dirty -depth = 1 -shallow = true -fetchRecurseSubmodules = false -[submodule "src/deps/tinycc"] -path = src/deps/tinycc -url = https://github.com/Jarred-Sumner/tinycc.git -ignore = dirty -depth = 1 -shallow = true -fetchRecurseSubmodules = false -[submodule "src/deps/c-ares"] -path = src/deps/c-ares -url = https://github.com/c-ares/c-ares.git -ignore = dirty -depth = 1 -shallow = true -fetchRecurseSubmodules = false -[submodule "src/deps/zstd"] -path = src/deps/zstd -url = https://github.com/facebook/zstd.git -ignore = dirty -depth = 1 -shallow = true -fetchRecurseSubmodules = false -[submodule "src/deps/ls-hpack"] -path = src/deps/ls-hpack -url = https://github.com/litespeedtech/ls-hpack.git -ignore = dirty -depth = 1 -shallow = true -fetchRecurseSubmodules = false -[submodule "zig"] -path = src/deps/zig -url = https://github.com/oven-sh/zig -depth = 1 -shallow = true -fetchRecurseSubmodules = false -[submodule "src/deps/libdeflate"] -path = src/deps/libdeflate -url = https://github.com/ebiggers/libdeflate -ignore = "dirty" diff --git a/CMakeLists.txt b/CMakeLists.txt index 041adb8689..bbaa700844 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,1633 +1,52 @@ -cmake_minimum_required(VERSION 3.22) -cmake_policy(SET CMP0091 NEW) -cmake_policy(SET CMP0067 NEW) - -set(CMAKE_POLICY_DEFAULT_CMP0069 NEW) -set(Bun_VERSION "1.1.28") -set(WEBKIT_TAG 147ed53838e21525677492c27099567a6cd19c6b) - -set(BUN_WORKDIR "${CMAKE_CURRENT_BINARY_DIR}") -message(STATUS "Configuring Bun ${Bun_VERSION} in ${BUN_WORKDIR}") - -set(CMAKE_COLOR_DIAGNOSTICS ON) -set(CMAKE_CXX_STANDARD 20) -set(CMAKE_C_STANDARD 17) -set(CMAKE_CXX_STANDARD_REQUIRED ON) -set(CMAKE_C_STANDARD_REQUIRED ON) - -option(ZIG_CACHE_DIR "Path to the Zig cache directory" "") - -if(NOT ZIG_CACHE_DIR) - SET(ZIG_CACHE_DIR "${BUN_WORKDIR}") - cmake_path(APPEND ZIG_CACHE_DIR "zig-cache") -endif() - -set(LOCAL_ZIG_CACHE_DIR "${ZIG_CACHE_DIR}") -set(GLOBAL_ZIG_CACHE_DIR "${ZIG_CACHE_DIR}") - -cmake_path(APPEND LOCAL_ZIG_CACHE_DIR "local") -cmake_path(APPEND GLOBAL_ZIG_CACHE_DIR "global") - -# Used in process.version, process.versions.node, napi, and elsewhere -set(REPORTED_NODEJS_VERSION "22.6.0") - -# Used in process.versions.modules and compared while loading V8 modules -set(REPORTED_NODEJS_ABI_VERSION "127") - -# WebKit uses -std=gnu++20 on non-macOS non-Windows -# If we do not set this, it will crash at startup on the first memory allocation. -if(NOT WIN32 AND NOT APPLE) - set(CMAKE_CXX_EXTENSIONS ON) - set(CMAKE_POSITION_INDEPENDENT_CODE FALSE) -endif() - -# --- Build Type --- -if(NOT CMAKE_BUILD_TYPE) - message(WARNING "No CMAKE_BUILD_TYPE value specified, defaulting to Debug.\nSet a build type with -DCMAKE_BUILD_TYPE=") - set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Choose the type of build (Debug, Release)" FORCE) -else() - if(NOT CMAKE_BUILD_TYPE MATCHES "^(Debug|Release)$") - message(FATAL_ERROR - "Invalid CMAKE_BUILD_TYPE value specified: ${CMAKE_BUILD_TYPE}\n" - "CMAKE_BUILD_TYPE must be Debug or Release.") - endif() - - message(STATUS "The CMake build type is: ${CMAKE_BUILD_TYPE}") -endif() - -if(WIN32 AND NOT CMAKE_CL_SHOWINCLUDES_PREFIX) - # workaround until cmake fix is shipped https://github.com/ninja-build/ninja/issues/2280 - # './build/.ninja_deps' may need to be deleted, the bug is "Note: including file: ..." is saved - # as part of some file paths - set(CMAKE_CL_SHOWINCLUDES_PREFIX "Note: including file:") -endif() - -if(CMAKE_BUILD_TYPE STREQUAL "Debug") - set(DEBUG ON) - set(DEFAULT_ZIG_OPTIMIZE "Debug") - set(bun "bun-debug") - - # COMPILE_COMMANDS - set(CMAKE_EXPORT_COMPILE_COMMANDS ON) -elseif(CMAKE_BUILD_TYPE STREQUAL "Release") - set(DEBUG OFF) - set(DEFAULT_ZIG_OPTIMIZE "ReleaseFast") - - if(WIN32) - # Debug symbols are in a separate file: bun.pdb - set(bun "bun") - set(DEFAULT_ZIG_OPTIMIZE "ReleaseSafe") - else() - if(ZIG_OPTIMIZE STREQUAL "Debug") - set(bun "bun-debug") - else() - set(bun "bun-profile") - endif() - endif() -endif() - -# --- MacOS SDK --- -if(APPLE AND DEFINED ENV{CI}) - set(CMAKE_OSX_DEPLOYMENT_TARGET "13.0") -endif() - -if(APPLE AND NOT CMAKE_OSX_DEPLOYMENT_TARGET) - execute_process(COMMAND xcrun --show-sdk-path OUTPUT_VARIABLE SDKROOT) - string(STRIP ${SDKROOT} SDKROOT) - message(STATUS "MacOS SDK path: ${SDKROOT}") - SET(CMAKE_OSX_SYSROOT ${SDKROOT}) - - execute_process(COMMAND xcrun --sdk macosx --show-sdk-version OUTPUT_VARIABLE MACOSX_DEPLOYMENT_TARGET) - string(STRIP ${MACOSX_DEPLOYMENT_TARGET} MACOSX_DEPLOYMENT_TARGET) - set(CMAKE_OSX_DEPLOYMENT_TARGET ${MACOSX_DEPLOYMENT_TARGET}) - - # Check if current version of macOS is less than the deployment target and if so, raise an error - execute_process(COMMAND sw_vers -productVersion OUTPUT_VARIABLE MACOS_VERSION) - string(STRIP ${MACOS_VERSION} MACOS_VERSION) - - if(MACOS_VERSION VERSION_LESS ${MACOSX_DEPLOYMENT_TARGET}) - message(WARNING - "The current version of macOS (${MACOS_VERSION}) is less than the deployment target (${MACOSX_DEPLOYMENT_TARGET}).\n" - "The build will be incompatible with your current device due to mismatches in `icucore` versions.\n" - "To fix this, please either:\n" - " - Upgrade to at least macOS ${MACOSX_DEPLOYMENT_TARGET}\n" - " - Use `xcode-select` to switch to an SDK version <= ${MACOS_VERSION}\n" - " - Set CMAKE_OSX_DEPLOYMENT_TARGET=${MACOS_VERSION} (make sure to build all dependencies with this variable set too)" - ) - endif() -endif() - -if(APPLE) - message(STATUS "Building for macOS v${CMAKE_OSX_DEPLOYMENT_TARGET}") -endif() - -# --- LLVM --- -# This detection is a little overkill, but it ensures that the set LLVM_VERSION matches under -# any case possible. Sorry for the complexity... -# -# Bun and WebKit must be compiled with the same compiler, so we do as much as we can to ensure that -# the compiler used for the prebuilt WebKit is the same as we install as a dependency. -# -# It has to be done before project() is called, so that CMake doesnt pick a compiler for us, but even then -# we do some extra work afterwards to double-check, and we will rerun BUN_FIND_LLVM if the compiler did not match. -# -# If the user passes -DLLVM_PREFIX, most of this logic is skipped, but we still warn if invalid. -if(WIN32 OR APPLE) - set(LLVM_VERSION 18) -else() - set(LLVM_VERSION 16) -endif() - -macro(BUN_FIND_LLVM) - find_program( - _LLVM_CXX_PATH - NAMES clang++-${LLVM_VERSION} clang++ - PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS} - DOC "Path to LLVM ${LLVM_VERSION}'s clang++ binary. Please pass -DLLVM_PREFIX with the path to LLVM" - ) - - if(NOT _LLVM_CXX_PATH) - message(FATAL_ERROR "Could not find LLVM ${LLVM_VERSION}, search paths: ${PLATFORM_LLVM_SEARCH_PATHS}") - endif() - - set(CMAKE_CXX_COMPILER "${_LLVM_CXX_PATH}") - find_program( - _LLVM_C_PATH - NAMES clang-${LLVM_VERSION} clang - PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS} - DOC "Path to LLVM ${LLVM_VERSION}'s clang binary. Please pass -DLLVM_PREFIX with the path to LLVM" - ) - - if(NOT _LLVM_C_PATH) - message(FATAL_ERROR "Could not find LLVM ${LLVM_VERSION}, search paths: ${PLATFORM_LLVM_SEARCH_PATHS}") - endif() - - set(CMAKE_C_COMPILER "${_LLVM_C_PATH}") - - find_program( - STRIP - NAMES llvm-strip - PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS} - DOC "Path to LLVM ${LLVM_VERSION}'s llvm-strip binary" - ) - - find_program( - STRIP - NAMES strip - PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS} - DOC "Path to strip binary" - ) - find_program( - DSYMUTIL - NAMES dsymutil - PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS} - DOC "Path to LLVM ${LLVM_VERSION}'s dsymutil binary" - ) - find_program( - AR - NAMES llvm-ar - PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS} - DOC "Path to LLVM ${LLVM_VERSION}'s llvm-ar binary" - ) - find_program( - AR - NAMES ar - PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS} - DOC "Path to LLVM ${LLVM_VERSION}'s llvm-ar binary" - ) - find_program( - RANLIB - NAMES llvm-ranlib - PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS} - DOC "Path to LLVM ${LLVM_VERSION}'s llvm-ar binary" - ) - - execute_process(COMMAND ${CMAKE_CXX_COMPILER} --version OUTPUT_VARIABLE _tmp) - string(REGEX MATCH "version ([0-9]+)\\.([0-9]+)\\.([0-9]+)" CMAKE_CXX_COMPILER_VERSION "${_tmp}") - set(CMAKE_CXX_COMPILER_VERSION "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}") -endmacro() - -if(UNIX) - if(LLVM_PREFIX) - set(PLATFORM_LLVM_SEARCH_PATHS ${LLVM_PREFIX}/bin) - else() - set(PLATFORM_LLVM_SEARCH_PATHS /usr/lib/llvm-${LLVM_VERSION}/bin /usr/lib/llvm${LLVM_VERSION}/bin /usr/bin /usr/local/bin) - - if(APPLE) - set(PLATFORM_LLVM_SEARCH_PATHS /opt/homebrew/opt/llvm@${LLVM_VERSION}/bin /opt/homebrew/bin ${PLATFORM_LLVM_SEARCH_PATHS}) - endif() - endif() - - if(CMAKE_CXX_COMPILER) - set(_LLVM_CXX_PATH "${CMAKE_CXX_COMPILER}") - endif() - - if(CMAKE_C_COMPILER) - set(_LLVM_C_PATH "${CMAKE_C_COMPILER}") - endif() - - BUN_FIND_LLVM() -else() - # Windows uses Clang-CL - # TODO: good configuration in this regard. -G Ninja will pick clang-cl if possible, which should be fine for most users. - if(NOT CMAKE_C_COMPILER) - set(CMAKE_C_COMPILER "clang-cl") - endif() - - if(NOT CMAKE_CXX_COMPILER) - set(CMAKE_CXX_COMPILER "clang-cl") - endif() - - find_program( - STRIP - NAMES llvm-strip - PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS} - DOC "Path to LLVM ${LLVM_VERSION}'s llvm-strip binary" - ) - find_program( - AR - NAMES llvm-ar - PATHS ENV PATH ${PLATFORM_LLVM_SEARCH_PATHS} - DOC "Path to LLVM ${LLVM_VERSION}'s llvm-ar binary" - ) -endif() - -project(Bun VERSION "${Bun_VERSION}") - -# if(MSVC) -# message(FATAL_ERROR "Bun does not support building with MSVC. Please use `cmake -G Ninja` with LLVM ${LLVM_VERSION} and Ninja.") -# endif() - -# More effort to prevent using the wrong C++ compiler -if(UNIX) - if((NOT CMAKE_CXX_COMPILER_ID STREQUAL "Clang") OR(NOT CMAKE_CXX_COMPILER_VERSION MATCHES "^${LLVM_VERSION}\.")) - # Attempt to auto-correct the compiler - message(STATUS "Compiler mismatch, attempting to auto-correct") - unset(_LLVM_CXX_PATH) - BUN_FIND_LLVM() - - if((NOT CMAKE_CXX_COMPILER_ID STREQUAL "Clang") OR(NOT CMAKE_CXX_COMPILER_VERSION MATCHES "^${LLVM_VERSION}\.")) - message(WARNING "Expected LLVM ${LLVM_VERSION} as the C++ compiler, build may fail or break at runtime.") - endif() - endif() -endif() - -message(STATUS "C++ Compiler: ${CMAKE_CXX_COMPILER_ID} ${CMAKE_CXX_COMPILER_VERSION} at ${CMAKE_CXX_COMPILER}") - -# --- End LLVM --- -if(NOT WIN32) - set(SHELL "bash") - set(SCRIPT_EXTENSION "sh") -else() - set(SCRIPT_EXTENSION "ps1") - - # pwsh is the new powershell, powershell is the old one. - find_program(SHELL NAMES pwsh powershell) -endif() - -set(DEFAULT_ON_UNLESS_APPLE ON) - -if(APPLE) - set(DEFAULT_ON_UNLESS_APPLE OFF) -endif() - -set(CI OFF) - -if(DEFINED ENV{CI} OR DEFINED ENV{GITHUB_ACTIONS}) - set(CI ON) -endif() - -set(DEFAULT_USE_STATIC_LIBATOMIC ON) -set(DEFAULT_USE_DEBUG_JSC, OFF) - -if(CMAKE_BUILD_TYPE STREQUAL "Debug") - set(DEFAULT_USE_DEBUG_JSC ON) - set(DEFAULT_LTO OFF) -elseif(CMAKE_BUILD_TYPE STREQUAL "Release") - if(CI) - set(DEFAULT_LTO ON) - else() - set(DEFAULT_LTO OFF) - endif() -endif() - -if(WIN32) - set(DEFAULT_USE_DEBUG_JSC OFF) -endif() - -if(UNIX AND NOT APPLE) - execute_process(COMMAND grep -w "NAME" /etc/os-release OUTPUT_VARIABLE LINUX_DISTRO) - - if(${LINUX_DISTRO} MATCHES "NAME=\"(Arch|Manjaro|Artix) Linux\"|NAME=\"openSUSE Tumbleweed\"\n") - set(DEFAULT_USE_STATIC_LIBATOMIC OFF) - endif() -endif() - -# -- Build Flags -- -option(USE_STATIC_SQLITE "Statically link SQLite?" ${DEFAULT_ON_UNLESS_APPLE}) -option(USE_CUSTOM_ZLIB "Use Bun's recommended version of zlib" ON) -option(USE_CUSTOM_LIBDEFLATE "Use Bun's recommended version of libdeflate" ON) -option(USE_CUSTOM_BORINGSSL "Use Bun's recommended version of BoringSSL" ON) -option(USE_CUSTOM_LIBARCHIVE "Use Bun's recommended version of libarchive" ON) -option(USE_CUSTOM_MIMALLOC "Use Bun's recommended version of Mimalloc" ON) -option(USE_CUSTOM_ZSTD "Use Bun's recommended version of zstd" ON) -option(USE_CUSTOM_CARES "Use Bun's recommended version of c-ares" ON) -option(USE_CUSTOM_LOLHTML "Use Bun's recommended version of lolhtml" ON) -option(USE_CUSTOM_TINYCC "Use Bun's recommended version of tinycc" ON) -option(USE_CUSTOM_LIBUV "Use Bun's recommended version of libuv (Windows only)" ON) -option(USE_CUSTOM_LSHPACK "Use Bun's recommended version of ls-hpack" ON) -option(USE_BASELINE_BUILD "Build Bun for baseline (older) CPUs" OFF) -option(USE_SYSTEM_ICU "Use the system-provided libicu. May fix startup crashes when building WebKit yourself." OFF) - -option(USE_VALGRIND "Build Bun with Valgrind support (Linux only)" OFF) - -option(ZIG_OPTIMIZE "Optimization level for Zig" ${DEFAULT_ZIG_OPTIMIZE}) -option(USE_DEBUG_JSC "Enable assertions and use a debug build of JavaScriptCore" ${DEFAULT_USE_DEBUG_JSC}) -option(USE_UNIFIED_SOURCES "Use unified sources to speed up the build" OFF) -option(USE_STATIC_LIBATOMIC "Statically link libatomic, requires the presence of libatomic.a" ${DEFAULT_USE_STATIC_LIBATOMIC}) - -option(USE_LTO "Enable Link-Time Optimization" ${DEFAULT_LTO}) - -if(APPLE AND USE_LTO) - set(USE_LTO OFF) - message(FATAL_ERROR "Link-Time Optimization is not supported on macOS because it requires -fuse-ld=lld and lld causes many segfaults on macOS (likely related to stack size)") -endif() - -if(WIN32 AND USE_LTO) - set(CMAKE_LINKER_TYPE LLD) - set(CMAKE_INTERPROCEDURAL_OPTIMIZATION OFF) -endif() - -option(BUN_TIDY_ONLY "Only run clang-tidy" OFF) -option(BUN_TIDY_ONLY_EXTRA " Only run clang-tidy, with extra checks for local development" OFF) - -if(NOT ZIG_LIB_DIR) - cmake_path(SET ZIG_LIB_DIR NORMALIZE "${CMAKE_CURRENT_SOURCE_DIR}/src/deps/zig/lib") -endif() - -if(USE_VALGRIND) - # Disable SIMD - set(USE_BASELINE_BUILD ON) - - if(ARCH STREQUAL "x86_64") - # This is for picohttpparser - # Valgrind cannot handle SSE4.2 instructions - add_compile_definitions("__SSE4_2__=0") - endif() -endif() - -if(NOT CANARY) - set(CANARY 0) -endif() - -if(NOT ENABLE_LOGS) - set(ENABLE_LOGS false) -endif() - -if(NOT ZIG_OPTIMIZE) - set(ZIG_OPTIMIZE ${DEFAULT_ZIG_OPTIMIZE}) -endif() - -set(ERROR_LIMIT 100 CACHE STRING "Maximum number of errors to show when compiling C++ code") - -set(ARCH x86_64) -set(HOMEBREW_PREFIX "/usr/local") - -if(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|arm64|arm") - set(ARCH aarch64) - set(HOMEBREW_PREFIX "/opt/homebrew") -endif() - -if(NOT CPU_TARGET) - if(DEFINED ENV{CPU_TARGET}) - set(CPU_TARGET $ENV{CPU_TARGET}) - else() - set(CPU_TARGET "native" CACHE STRING "CPU target for the compiler" FORCE) - - if(ARCH STREQUAL "x86_64") - if(USE_BASELINE_BUILD) - set(CPU_TARGET "nehalem") - else() - set(CPU_TARGET "haswell") - endif() - endif() - endif() -endif() - -message(STATUS "Building for CPU Target: ${CPU_TARGET}") - -if(NOT ZIG_TARGET) - set(ZIG_TARGET "native") - - if(WIN32) - set(ZIG_TARGET "${ARCH}-windows-msvc") - endif() -endif() - -set(CONFIGURE_DEPENDS "CONFIGURE_DEPENDS") - -if(NO_CONFIGURE_DEPENDS) - set(CONFIGURE_DEPENDS "") -endif() - -# --- CLI Paths --- -set(REQUIRED_IF_NOT_ONLY_CPP_OR_LINK "") - -if(NOT BUN_CPP_ONLY AND NOT BUN_LINK_ONLY) - set(REQUIRED_IF_NOT_ONLY_CPP_OR_LINK "REQUIRED") -endif() - -# Zig Compiler -function(validate_zig validator_result_var item) - set(${validator_result_var} FALSE PARENT_SCOPE) - - # We will allow any valid zig compiler, as long as it contains some text from `zig zen` - # Ideally we would do a version or feature check, but that would be quite slow - execute_process(COMMAND ${item} zen OUTPUT_VARIABLE ZIG_ZEN_OUTPUT) - - if(ZIG_ZEN_OUTPUT MATCHES "Together we serve the users") - set(${validator_result_var} TRUE PARENT_SCOPE) - else() - set(${validator_result_var} FALSE PARENT_SCOPE) - endif() -endfunction() - -if(ZIG_COMPILER) - if(ZIG_COMPILER STREQUAL "system") - message(STATUS "Using system Zig compiler") - unset(ZIG_COMPILER_) - endif() - - find_program(ZIG_COMPILER_ zig ${REQUIRED_IF_NOT_ONLY_CPP_OR_LINK} DOC "Path to the Zig compiler" VALIDATOR validate_zig) - set(ZIG_COMPILER "${ZIG_COMPILER_}") - message(STATUS "Found Zig Compiler: ${ZIG_COMPILER}") -elseif(NOT BUN_CPP_ONLY AND NOT BUN_LINK_ONLY AND NOT BUN_TIDY_ONLY AND NOT BUN_TIDY_ONLY_EXTRA) - execute_process( - COMMAND "${SHELL}" - "${CMAKE_CURRENT_SOURCE_DIR}/scripts/download-zig.${SCRIPT_EXTENSION}" - ) - set(ZIG_COMPILER "${CMAKE_CURRENT_SOURCE_DIR}/.cache/zig/zig") - - if(WIN32) - set(ZIG_COMPILER "${ZIG_COMPILER}.exe") - endif() - - if(NOT EXISTS "${ZIG_COMPILER}") - unset(ZIG_COMPILER) - message(FATAL_ERROR "Auto-installation of Zig failed. Please pass -DZIG_COMPILER=system or a path to the Zig") - endif() - - message(STATUS "Installed Zig Compiler: ${ZIG_COMPILER}") - set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "build.zig") - - message(STATUS "Using zig cache directory: ${ZIG_CACHE_DIR}") -endif() - -# Bun -find_program(BUN_EXECUTABLE bun ${REQUIRED_IF_NOT_ONLY_CPP_OR_LINK} DOC "Path to an already built release of Bun") -message(STATUS "Found Bun: ${BUN_EXECUTABLE}") - -if(WIN32 AND NO_CODEGEN) - # TODO(@paperdave): remove this, see bun-windows.yml's comment. - set(BUN_EXECUTABLE "echo") -endif() - -# Prettier -find_program(PRETTIER prettier DOC "Path to prettier" PATHS ./node_modules/.bin ENV PATH) - -# Esbuild (TODO: switch these to "bun build") -find_program(ESBUILD esbuild DOC "Path to esbuild" PATHS ./node_modules/.bin ENV PATH) - -# Ruby (only needed for unified sources) -if(USE_UNIFIED_SOURCES) - # ruby 'WebKit/Source/WTF/Scripts/generate-unified-source-bundles.rb' source_list.txt --source-tree-path . --derived-sources-path build/unified-sources - find_program(RUBY ruby DOC "Path to ruby") -endif() - -# CCache -# find_program(CCACHE_PROGRAM sccache) -find_program(CCACHE_PROGRAM ccache) - -if(CCACHE_PROGRAM) - set(CMAKE_CXX_COMPILER_LAUNCHER "${CCACHE_PROGRAM}") - set(CMAKE_C_COMPILER_LAUNCHER "${CCACHE_PROGRAM}") - message(STATUS "Using ccache: ${CCACHE_PROGRAM}") -endif() - -# --- WebKit --- -# WebKit is either prebuilt and distributed via NPM, or you can pass WEBKIT_DIR to use a local build. -# We cannot include their CMake build files (TODO: explain why, for now ask @paperdave why) -# -# On Unix, this will pull from NPM the single package that is needed and use that -if(WIN32) - set(STATIC_LIB_EXT "lib") - set(libJavaScriptCore "JavaScriptCore") - set(libWTF "WTF") -else() - set(STATIC_LIB_EXT "a") - set(libJavaScriptCore "libJavaScriptCore") - set(libWTF "libWTF") -endif() - -if(NOT WEBKIT_DIR) - set(BUN_WEBKIT_PACKAGE_NAME_SUFFIX "") - set(ASSERT_ENABLED "0") - - if(USE_DEBUG_JSC) - add_compile_definitions("BUN_DEBUG=1") - set(BUN_WEBKIT_PACKAGE_NAME_SUFFIX "-debug") - set(ASSERT_ENABLED "1") - elseif(NOT DEBUG AND NOT WIN32) - # Avoid waiting for LTO in local release builds outside of CI - if(USE_LTO) - set(BUN_WEBKIT_PACKAGE_NAME_SUFFIX "-lto") - else() - set(BUN_WEBKIT_PACKAGE_NAME_SUFFIX "") - endif() - - set(ASSERT_ENABLED "0") - endif() - - if(WIN32) - set(BUN_WEBKIT_PACKAGE_PLATFORM "windows") - elseif(APPLE) - set(BUN_WEBKIT_PACKAGE_PLATFORM "macos") - else() - set(BUN_WEBKIT_PACKAGE_PLATFORM "linux") - endif() - - if(ARCH STREQUAL "x86_64") - set(BUN_WEBKIT_PACKAGE_ARCH "amd64") - elseif(ARCH MATCHES "aarch64|arm64|arm") - set(BUN_WEBKIT_PACKAGE_ARCH "arm64") - endif() - - set(BUN_WEBKIT_PACKAGE_NAME "bun-webkit-${BUN_WEBKIT_PACKAGE_PLATFORM}-${BUN_WEBKIT_PACKAGE_ARCH}${BUN_WEBKIT_PACKAGE_NAME_SUFFIX}") - - message(STATUS "Using Pre-built WebKit: ${BUN_WEBKIT_PACKAGE_NAME}") - execute_process( - COMMAND "${SHELL}" - "${CMAKE_CURRENT_SOURCE_DIR}/scripts/download-webkit.${SCRIPT_EXTENSION}" - "${BUN_WORKDIR}/bun-webkit" - "${WEBKIT_TAG}" - "${BUN_WEBKIT_PACKAGE_NAME}" - WORKING_DIRECTORY ${BUN_WORKDIR} - ) - - if(NOT EXISTS "${BUN_WORKDIR}/bun-webkit") - message(FATAL_ERROR "Prebuilt WebKit package ${BUN_WEBKIT_PACKAGE_NAME} failed to install") - endif() - - set(WEBKIT_INCLUDE_DIR "${BUN_WORKDIR}/bun-webkit/include") - - if(APPLE) - set(ICU_INCLUDE_DIR "") - else() - set(ICU_INCLUDE_DIR "${BUN_WORKDIR}/bun-webkit/include/wtf/unicode") - endif() - - set(WEBKIT_LIB_DIR "${BUN_WORKDIR}/bun-webkit/lib") -elseif(WEBKIT_DIR STREQUAL "omit") - message(STATUS "Not using WebKit. This is only valid if you are only trying to build Zig code") -else() - # Expected to be WebKit/WebKitBuild/${CMAKE_BUILD_TYPE} - if(EXISTS "${WEBKIT_DIR}/cmakeconfig.h") - # You may need to run: - # make jsc-compile-debug jsc-copy-headers - include_directories( - "${WEBKIT_DIR}/" - "${WEBKIT_DIR}/JavaScriptCore/Headers/JavaScriptCore" - "${WEBKIT_DIR}/JavaScriptCore/PrivateHeaders" - "${WEBKIT_DIR}/bmalloc/Headers" - "${WEBKIT_DIR}/WTF/Headers" - ) - set(WEBKIT_LIB_DIR "${WEBKIT_DIR}/lib") - - if(USE_DEBUG_JSC) - add_compile_definitions("BUN_DEBUG=1") - set(ASSERT_ENABLED "1") - endif() - - message(STATUS "Using WebKit from ${WEBKIT_DIR}") - else() - if(NOT EXISTS "${WEBKIT_DIR}/lib/${libWTF}.${STATIC_LIB_EXT}" OR NOT EXISTS "${WEBKIT_DIR}/lib/${libJavaScriptCore}.${STATIC_LIB_EXT}") - if(WEBKIT_DIR MATCHES "src/bun.js/WebKit$") - message(FATAL_ERROR "WebKit directory ${WEBKIT_DIR} does not contain all the required files for Bun. Did you forget to init submodules?") - endif() - - message(FATAL_ERROR "WebKit directory ${WEBKIT_DIR} does not contain all the required files for Bun. Expected a path to the oven-sh/WebKit repository, or a path to a folder containing `include` and `lib`.") - endif() - - set(WEBKIT_INCLUDE_DIR "${WEBKIT_DIR}/include") - set(WEBKIT_LIB_DIR "${WEBKIT_DIR}/lib") - - message(STATUS "Using specified WebKit directory: ${WEBKIT_DIR}") - - set(ASSERT_ENABLED "0") - message(STATUS "WebKit assertions: OFF") - endif() -endif() - -# --- CMake Macros --- - -# Append the given dependencies to the source file -macro(WEBKIT_ADD_SOURCE_DEPENDENCIES _source _deps) - set(_tmp) - get_source_file_property(_tmp ${_source} OBJECT_DEPENDS) - - if(NOT _tmp) - set(_tmp "") - endif() - - foreach(f ${_deps}) - list(APPEND _tmp "${f}") - endforeach() - - set_source_files_properties(${_source} PROPERTIES OBJECT_DEPENDS "${_tmp}") - unset(_tmp) -endmacro() - -# --- BUILD --- -set(BUN_SRC "${CMAKE_CURRENT_SOURCE_DIR}/src") -set(BUN_DEPS_DIR "${BUN_SRC}/deps") -set(BUN_CODEGEN_SRC "${BUN_SRC}/codegen") - -if(NOT BUN_DEPS_OUT_DIR) - set(BUN_DEPS_OUT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/build/bun-deps") -endif() - -set(BUN_RAW_SOURCES, "") - -file(GLOB BUN_CPP ${CONFIGURE_DEPENDS} - "${BUN_SRC}/deps/*.cpp" - "${BUN_SRC}/io/*.cpp" - "${BUN_SRC}/bun.js/modules/*.cpp" - "${BUN_SRC}/bun.js/bindings/*.cpp" - "${BUN_SRC}/bun.js/bindings/webcore/*.cpp" - "${BUN_SRC}/bun.js/bindings/sqlite/*.cpp" - "${BUN_SRC}/bun.js/bindings/webcrypto/*.cpp" - "${BUN_SRC}/bun.js/bindings/webcrypto/*/*.cpp" - "${BUN_SRC}/bun.js/bindings/v8/*.cpp" - "${BUN_SRC}/deps/picohttpparser/picohttpparser.c" -) -list(APPEND BUN_RAW_SOURCES ${BUN_CPP}) - -# -- uSockets -- -set(USOCKETS_SRC "${CMAKE_CURRENT_SOURCE_DIR}/packages/bun-usockets/src") -file(GLOB USOCKETS_FILES ${CONFIGURE_DEPENDS} - "${USOCKETS_SRC}/*.c" - "${USOCKETS_SRC}/eventing/*.c" - "${USOCKETS_SRC}/internal/*.c" - "${USOCKETS_SRC}/crypto/*.c" - "${USOCKETS_SRC}/crypto/*.cpp" -) -list(APPEND BUN_RAW_SOURCES ${USOCKETS_FILES}) - -# --- Classes Generator --- -file(GLOB BUN_CLASSES_TS ${CONFIGURE_DEPENDS} - "${BUN_SRC}/bun.js/*.classes.ts" - "${BUN_SRC}/bun.js/api/*.classes.ts" - "${BUN_SRC}/bun.js/test/*.classes.ts" - "${BUN_SRC}/bun.js/webcore/*.classes.ts" - "${BUN_SRC}/bun.js/node/*.classes.ts" -) -add_custom_command( - OUTPUT "${BUN_WORKDIR}/codegen/ZigGeneratedClasses.h" - "${BUN_WORKDIR}/codegen/ZigGeneratedClasses.cpp" - "${BUN_WORKDIR}/codegen/ZigGeneratedClasses+lazyStructureHeader.h" - "${BUN_WORKDIR}/codegen/ZigGeneratedClasses+DOMClientIsoSubspaces.h" - "${BUN_WORKDIR}/codegen/ZigGeneratedClasses+DOMIsoSubspaces.h" - "${BUN_WORKDIR}/codegen/ZigGeneratedClasses+lazyStructureImpl.h" - "${BUN_WORKDIR}/codegen/ZigGeneratedClasses.zig" - COMMAND ${BUN_EXECUTABLE} run "${BUN_CODEGEN_SRC}/generate-classes.ts" ${BUN_CLASSES_TS} "${BUN_WORKDIR}/codegen" - WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} - MAIN_DEPENDENCY "${BUN_CODEGEN_SRC}/generate-classes.ts" - DEPENDS ${BUN_CLASSES_TS} - VERBATIM - COMMENT "Generating *.classes.ts bindings" -) -list(APPEND BUN_RAW_SOURCES "${BUN_WORKDIR}/codegen/ZigGeneratedClasses.cpp") - -if(NOT NO_CODEGEN) - # --- ErrorCode Generator --- - file(GLOB NODE_ERRORS_TS ${CONFIGURE_DEPENDS} - "${BUN_SRC}/bun.js/bindings/ErrorCode.ts" - ) - add_custom_command( - OUTPUT "${BUN_WORKDIR}/codegen/ErrorCode+List.h" "${BUN_WORKDIR}/codegen/ErrorCode+Data.h" "${BUN_WORKDIR}/codegen/ErrorCode.zig" - COMMAND ${BUN_EXECUTABLE} run "${BUN_CODEGEN_SRC}/generate-node-errors.ts" "${BUN_WORKDIR}/codegen" - WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} - MAIN_DEPENDENCY "${BUN_CODEGEN_SRC}/generate-node-errors.ts" - DEPENDS ${NODE_ERRORS_TS} - VERBATIM - COMMENT "Generating ErrorCode.zig" - ) - - # This needs something to force it to be regenerated - WEBKIT_ADD_SOURCE_DEPENDENCIES( - "${BUN_SRC}/bun.js/bindings/ErrorCode.cpp" - "${BUN_WORKDIR}/codegen/ErrorCode+List.h" - ) - WEBKIT_ADD_SOURCE_DEPENDENCIES( - "${BUN_SRC}/bun.js/bindings/ErrorCode.h" - "${BUN_WORKDIR}/codegen/ErrorCode+Data.h" - ) -endif() - -# --- JSSink Generator --- -add_custom_command( - OUTPUT "${BUN_WORKDIR}/codegen/JSSink.cpp" - "${BUN_WORKDIR}/codegen/JSSink.h" - COMMAND ${BUN_EXECUTABLE} run "src/codegen/generate-jssink.ts" "${BUN_WORKDIR}/codegen" - VERBATIM - MAIN_DEPENDENCY "src/codegen/generate-jssink.ts" - WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} - COMMENT "Generating JSSink" - USES_TERMINAL -) -list(APPEND BUN_RAW_SOURCES "${BUN_WORKDIR}/codegen/JSSink.cpp") - -# --- .lut.h Generator --- -set(BUN_OBJECT_LUT_SOURCES - bun.js/bindings/BunObject.cpp - bun.js/bindings/ZigGlobalObject.lut.txt - bun.js/bindings/JSBuffer.cpp - bun.js/bindings/BunProcess.cpp - bun.js/bindings/ProcessBindingConstants.cpp - bun.js/bindings/ProcessBindingNatives.cpp -) -set(BUN_OBJECT_LUT_OUTPUTS "") -set(BUN_HASH_LUT_GENERATOR "${BUN_CODEGEN_SRC}/create-hash-table.ts") - -if(NOT BUN_LINK_ONLY) - macro(GENERATE_HASH_LUT _input _output _display_name) - if(NOT NO_CODEGEN) - add_custom_command( - OUTPUT ${_output} - MAIN_DEPENDENCY ${BUN_HASH_LUT_GENERATOR} - DEPENDS ${_input} - COMMAND ${BUN_EXECUTABLE} run ${BUN_HASH_LUT_GENERATOR} ${_input} ${_output} - VERBATIM - COMMENT "Generating ${_display_name}" - ) - endif() - - list(APPEND BUN_OBJECT_LUT_OUTPUTS "${_output}") - - # list(APPEND Bun_HEADERS ${_output}) - WEBKIT_ADD_SOURCE_DEPENDENCIES(${_input} ${_output}) - endmacro() - - foreach(_file ${BUN_OBJECT_LUT_SOURCES}) - if(NOT EXISTS "${BUN_SRC}/${_file}") - message(FATAL_ERROR "Could not find ${_file} needed for LUT generation") - endif() - - get_filename_component(_name ${_file} NAME_WE) - - # workaround for ZigGlobalObject - if(_name MATCHES "ZigGlobalObject") - set(_name "ZigGlobalObject") - endif() - - GENERATE_HASH_LUT(${BUN_SRC}/${_file} ${BUN_WORKDIR}/codegen/${_name}.lut.h ${_name}.lut.h) - endforeach() - - WEBKIT_ADD_SOURCE_DEPENDENCIES(${BUN_SRC}/bun.js/bindings/ZigGlobalObject.cpp ${BUN_WORKDIR}/codegen/ZigGlobalObject.lut.h) -endif() - -# --- Identifier Cache --- -if(NOT NO_CODEGEN) - set(BUN_IDENTIFIER_CACHE_OUT - "${BUN_SRC}/js_lexer/id_continue_bitset.blob" - "${BUN_SRC}/js_lexer/id_continue_bitset.meta.blob" - "${BUN_SRC}/js_lexer/id_start_bitset.blob" - "${BUN_SRC}/js_lexer/id_start_bitset.meta.blob") - add_custom_command( - OUTPUT ${BUN_IDENTIFIER_CACHE_OUT} - MAIN_DEPENDENCY "${BUN_SRC}/js_lexer/identifier_data.zig" - DEPENDS "${BUN_SRC}/js_lexer/identifier_cache.zig" - COMMAND ${ZIG_COMPILER} run "--zig-lib-dir" "${ZIG_LIB_DIR}" "--cache-dir" "${LOCAL_ZIG_CACHE_DIR}" "--global-cache-dir" "${GLOBAL_ZIG_CACHE_DIR}" "${BUN_SRC}/js_lexer/identifier_data.zig" - VERBATIM - COMMENT "Building Identifier Cache" - ) -endif() - -# --- Bundled TS/JS --- -# Note: It's not worth doing this in parallel at the CMake/Ninja level, because this bundling -# requires all the JS files to be known, but also Bun will use all cores during bundling anyways. -if(NOT NO_CODEGEN) - file(GLOB BUN_TS_MODULES ${CONFIGURE_DEPENDS} - "${BUN_SRC}/js/node/*.ts" - "${BUN_SRC}/js/node/*.js" - "${BUN_SRC}/js/bun/*.ts" - "${BUN_SRC}/js/bun/*.js" - "${BUN_SRC}/js/builtins/*.ts" - "${BUN_SRC}/js/builtins/*.js" - "${BUN_SRC}/js/thirdparty/*.js" - "${BUN_SRC}/js/thirdparty/*.ts" - "${BUN_SRC}/js/internal/*.js" - "${BUN_SRC}/js/internal/*.ts" - "${BUN_SRC}/js/internal/cluster/*.ts" - "${BUN_SRC}/js/internal/util/*.js" - "${BUN_SRC}/js/internal/fs/*.ts" - "${BUN_SRC}/js/node/*.js" - "${BUN_SRC}/js/node/*.ts" - "${BUN_SRC}/js/thirdparty/*.js" - "${BUN_SRC}/js/thirdparty/*.ts" - "${BUN_SRC}/js/internal-for-testing.ts" - ) - - file(GLOB CODEGEN_FILES ${CONFIGURE_DEPENDS} "${BUN_CODEGEN_SRC}/*.ts") - - add_custom_command( - OUTPUT - "${BUN_WORKDIR}/codegen/WebCoreJSBuiltins.cpp" - "${BUN_WORKDIR}/codegen/WebCoreJSBuiltins.h" - "${BUN_WORKDIR}/codegen/InternalModuleRegistryConstants.h" - "${BUN_WORKDIR}/codegen/InternalModuleRegistry+createInternalModuleById.h" - "${BUN_WORKDIR}/codegen/InternalModuleRegistry+enum.h" - "${BUN_WORKDIR}/codegen/InternalModuleRegistry+numberOfModules.h" - "${BUN_WORKDIR}/codegen/NativeModuleImpl.h" - "${BUN_WORKDIR}/codegen/ResolvedSourceTag.zig" - "${BUN_WORKDIR}/codegen/SyntheticModuleType.h" - "${BUN_WORKDIR}/codegen/GeneratedJS2Native.h" - "${BUN_SRC}/bun.js/bindings/GeneratedJS2Native.zig" - COMMAND ${BUN_EXECUTABLE} run "${BUN_SRC}/codegen/bundle-modules.ts" "--debug=${DEBUG}" "${BUN_WORKDIR}" - DEPENDS ${BUN_TS_MODULES} ${CODEGEN_FILES} - WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} - COMMENT "Bundling JS" - ) -endif() - -WEBKIT_ADD_SOURCE_DEPENDENCIES( - "${BUN_SRC}/bun.js/bindings/InternalModuleRegistry.cpp" - "${BUN_WORKDIR}/codegen/InternalModuleRegistryConstants.h" -) -list(APPEND BUN_RAW_SOURCES "${BUN_WORKDIR}/codegen/WebCoreJSBuiltins.cpp") - -# --- Peechy API --- -# if(NOT NO_CODEGEN) -# add_custom_command( -# OUTPUT "${BUN_SRC}/api/schema.js" -# "${BUN_SRC}/api/schema.d.ts" -# "${BUN_SRC}/api/schema.zig" -# WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" -# COMMAND "${CMAKE_CURRENT_SOURCE_DIR}/node_modules/.bin/peechy" -# "--schema" "${BUN_SRC}/api/schema.peechy" -# "--esm" "${BUN_SRC}/api/schema.js" -# "--ts" "${BUN_SRC}/api/schema.d.ts" -# "--zig" "${BUN_SRC}/api/schema.zig" -# COMMAND "${ZIG_COMPILER}" "fmt" "src/api/schema.zig" -# COMMAND "${PRETTIER}" "--config=.prettierrc.cjs" "--write" "src/api/schema.js" "src/api/schema.d.ts" -# DEPENDS "${BUN_SRC}/api/schema.peechy" -# COMMENT "Building schema" -# ) -# add_custom_command( -# OUTPUT "${BUN_SRC}/analytics/analytics_schema.zig" -# WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" -# COMMAND "${CMAKE_CURRENT_SOURCE_DIR}/node_modules/.bin/peechy" -# "--schema" "${BUN_SRC}/analytics/schema.peechy" -# "--zig" "${BUN_SRC}/analytics/analytics_schema.zig" -# COMMAND "${ZIG_COMPILER}" "fmt" "${BUN_SRC}/analytics/analytics_schema.zig" -# DEPENDS "${BUN_SRC}/api/schema.peechy" -# COMMENT "Building analytics_schema.zig" -# ) -# endif() - 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- if(WIN32) - target_link_libraries(${bun} PRIVATE "${BUN_DEPS_OUT_DIR}/zstd.lib") - else() - target_link_libraries(${bun} PRIVATE "${BUN_DEPS_OUT_DIR}/libzstd.a") - endif() -else() - find_package(zstd CONFIG REQUIRED) - target_link_libraries(${bun} PRIVATE zstd::libzstd) -endif() - -if(USE_CUSTOM_CARES) - include_directories(${BUN_DEPS_DIR}/c-ares/include) - - if(WIN32) - target_link_libraries(${bun} PRIVATE "${BUN_DEPS_OUT_DIR}/cares.lib") - else() - target_link_libraries(${bun} PRIVATE "${BUN_DEPS_OUT_DIR}/libcares.a") - endif() -else() - find_package(c-ares CONFIG REQUIRED) - target_link_libraries(${bun} PRIVATE c-ares::cares) -endif() - -if(USE_CUSTOM_TINYCC) - if(WIN32) - target_link_libraries(${bun} PRIVATE "${BUN_DEPS_OUT_DIR}/tcc.lib") - else() - target_link_libraries(${bun} PRIVATE "${BUN_DEPS_OUT_DIR}/libtcc.a") - endif() -else() - find_package(tinycc REQUIRED) - target_link_libraries(${bun} PRIVATE tinycc::tinycc) -endif() - -if(USE_CUSTOM_LOLHTML) - if(WIN32) - target_link_libraries(${bun} PRIVATE "${BUN_DEPS_OUT_DIR}/lolhtml.lib") - else() - target_link_libraries(${bun} PRIVATE "${BUN_DEPS_OUT_DIR}/liblolhtml.a") - endif() -else() - find_package(lolhtml REQUIRED) - target_link_libraries(${bun} PRIVATE lolhtml::lolhtml) -endif() - -if(WIN32) - if(USE_CUSTOM_LIBUV) - target_link_libraries(${bun} PRIVATE "${BUN_DEPS_OUT_DIR}/libuv.lib") - include_directories(${bun} PRIVATE "${BUN_DEPS_DIR}/libuv/include") - else() - find_package(libuv CONFIG REQUIRED) - target_link_libraries(${bun} PRIVATE $,libuv::uv_a,libuv::uv>) - endif() -endif() - -if(USE_STATIC_SQLITE) - add_library(sqlite3 STATIC src/bun.js/bindings/sqlite/sqlite3.c) - target_include_directories(sqlite3 PUBLIC src/bun.js/bindings/sqlite) - target_compile_definitions(sqlite3 PRIVATE - "SQLITE_ENABLE_COLUMN_METADATA=" - "SQLITE_MAX_VARIABLE_NUMBER=250000" - "SQLITE_ENABLE_RTREE=1" - "SQLITE_ENABLE_FTS3=1" - "SQLITE_ENABLE_FTS3_PARENTHESIS=1" - "SQLITE_ENABLE_FTS5=1" - "SQLITE_ENABLE_JSON1=1" - "SQLITE_ENABLE_MATH_FUNCTIONS=1" - ) - - if(WIN32) - target_compile_options(sqlite3 PRIVATE /MT /U_DLL) - endif() - - target_link_libraries(${bun} PRIVATE sqlite3) - message(STATUS "Using static sqlite3") - target_compile_definitions(${bun} PRIVATE "LAZY_LOAD_SQLITE=0") -else() - message(STATUS "Using dynamicly linked sqlite3") - target_compile_definitions(${bun} PRIVATE "LAZY_LOAD_SQLITE=1") -endif() - -# -- Brotli -- -set(BROTLI_SRC "${CMAKE_CURRENT_SOURCE_DIR}/src/deps/brotli") -file(GLOB BROTLI_FILES ${CONFIGURE_DEPENDS} - "${BROTLI_SRC}/common/*.c" - "${BROTLI_SRC}/enc/*.c" - "${BROTLI_SRC}/dec/*.c" -) -add_library(brotli STATIC ${BROTLI_FILES}) -target_include_directories(brotli PRIVATE "${BROTLI_SRC}/include") -target_compile_definitions(brotli PRIVATE "BROTLI_STATIC") - -if(WIN32) - target_compile_options(brotli PRIVATE /MT /U_DLL) -endif() - -target_link_libraries(${bun} PRIVATE brotli) -include_directories("${BUN_DEPS_DIR}/brotli/include") - -if(USE_CUSTOM_LSHPACK) - include_directories(${BUN_DEPS_DIR}/ls-hpack) - - if(WIN32) - include_directories(${BUN_DEPS_DIR}/ls-hpack/compat/queue) - target_link_libraries(${bun} PRIVATE "${BUN_DEPS_OUT_DIR}/lshpack.lib") - else() - target_link_libraries(${bun} PRIVATE "${BUN_DEPS_OUT_DIR}/liblshpack.a") - endif() -else() - find_package(lshpack REQUIRED) - target_link_libraries(${bun} PRIVATE lshpack) -endif() - -if(NOT WIN32) - target_link_libraries(${bun} PRIVATE "${WEBKIT_LIB_DIR}/libWTF.a") - target_link_libraries(${bun} PRIVATE "${WEBKIT_LIB_DIR}/libJavaScriptCore.a") - - if(NOT APPLE OR EXISTS "${WEBKIT_LIB_DIR}/libbmalloc.a") - target_link_libraries(${bun} PRIVATE "${WEBKIT_LIB_DIR}/libbmalloc.a") - endif() -else() - target_link_libraries(${bun} PRIVATE - "${WEBKIT_LIB_DIR}/WTF.lib" - "${WEBKIT_LIB_DIR}/JavaScriptCore.lib" - "${WEBKIT_LIB_DIR}/sicudt.lib" - "${WEBKIT_LIB_DIR}/sicuin.lib" - "${WEBKIT_LIB_DIR}/sicuuc.lib" - winmm - bcrypt - ntdll - userenv - dbghelp - wsock32 # ws2_32 required by TransmitFile aka sendfile on windows - delayimp.lib - ) -endif() - -if(BUN_LINK_ONLY) - message(STATUS "NOTE: BUN_LINK_ONLY is ON, this build config will only link the Bun executable") -endif() - -if(BUN_CPP_ONLY) - message(STATUS "NOTE: BUN_CPP_ONLY is ON, this build will only work with 'compile-cpp-only.${SCRIPT_EXTENSION}'") -endif() - -if(NO_CODEGEN) - message(STATUS "NOTE: NO_CODEGEN is ON, this build expects ./codegen to exist") -endif() - -if(BUN_TIDY_ONLY) - find_program(CLANG_TIDY_EXE NAMES "clang-tidy") - - # webkit ones are disabled disabled because it's noisy, e.g. for JavaScriptCore/Lookup.h - set(CLANG_TIDY_COMMAND "${CLANG_TIDY_EXE}" "-checks=-*,clang-analyzer-*,-clang-analyzer-webkit.UncountedLambdaCapturesChecker,-clang-analyzer-optin.core.EnumCastOutOfRange,-clang-analyzer-webkit.RefCntblBaseVirtualDtor" "--fix" "--fix-errors" "--format-style=webkit" "--warnings-as-errors=*") - set_target_properties(${bun} PROPERTIES CXX_CLANG_TIDY "${CLANG_TIDY_COMMAND}") -endif() - -if(BUN_TIDY_ONLY_EXTRA) - find_program(CLANG_TIDY_EXE NAMES "clang-tidy") - set(CLANG_TIDY_COMMAND "${CLANG_TIDY_EXE}" "-checks=-*,clang-analyzer-*,performance-*,-clang-analyzer-webkit.UncountedLambdaCapturesChecker,-clang-analyzer-optin.core.EnumCastOutOfRange,-clang-analyzer-webkit.RefCntblBaseVirtualDtor" "--fix" "--fix-errors" "--format-style=webkit" "--warnings-as-errors=*") - set_target_properties(${bun} PROPERTIES CXX_CLANG_TIDY "${CLANG_TIDY_COMMAND}") -endif() +include(CompilerFlags) diff --git a/Dockerfile b/Dockerfile deleted file mode 100644 index aaece20d36..0000000000 --- a/Dockerfile +++ /dev/null @@ -1,645 +0,0 @@ -# This Dockerfile is used by CI workflows to build Bun. It is not intended as a development -# environment, or to be used as a base image for other projects. -# -# You likely want this image instead: https://hub.docker.com/r/oven/bun -# -# TODO: move this file to reduce confusion -ARG DEBIAN_FRONTEND=noninteractive -ARG GITHUB_WORKSPACE=/build -ARG WEBKIT_DIR=${GITHUB_WORKSPACE}/bun-webkit -ARG BUN_RELEASE_DIR=${GITHUB_WORKSPACE}/bun-release -ARG BUN_DEPS_OUT_DIR=${GITHUB_WORKSPACE}/bun-deps -ARG BUN_DIR=${GITHUB_WORKSPACE}/bun -ARG CPU_TARGET=native -ARG ARCH=x86_64 -ARG BUILD_MACHINE_ARCH=x86_64 -ARG BUILDARCH=amd64 -ARG TRIPLET=${ARCH}-linux-gnu -ARG GIT_SHA="" -ARG BUN_VERSION="bun-v1.1.4" -ARG BUN_DOWNLOAD_URL_BASE="https://pub-5e11e972747a44bf9aaf9394f185a982.r2.dev/releases/${BUN_VERSION}" -ARG CANARY=0 -ARG ASSERTIONS=OFF -ARG ZIG_OPTIMIZE=ReleaseFast -ARG CMAKE_BUILD_TYPE=Release - -ARG NODE_VERSION="20" -ARG LLVM_VERSION="16" - -ARG ZIG_VERSION="0.13.0" -ARG ZIG_VERSION_SHORT="0.13.0" - -ARG SCCACHE_BUCKET -ARG SCCACHE_REGION -ARG SCCACHE_S3_USE_SSL -ARG SCCACHE_ENDPOINT -ARG AWS_ACCESS_KEY_ID -ARG AWS_SECRET_ACCESS_KEY - -FROM bitnami/minideb:bullseye as bun-base - -ARG BUN_DOWNLOAD_URL_BASE -ARG DEBIAN_FRONTEND -ARG BUN_VERSION -ARG NODE_VERSION -ARG LLVM_VERSION -ARG BUILD_MACHINE_ARCH -ARG BUN_DIR -ARG BUN_DEPS_OUT_DIR -ARG CPU_TARGET - -ENV CI 1 -ENV CPU_TARGET=${CPU_TARGET} -ENV BUILDARCH=${BUILDARCH} -ENV BUN_DEPS_OUT_DIR=${BUN_DEPS_OUT_DIR} -ENV USE_LTO 1 - -ENV LC_CTYPE=en_US.UTF-8 -ENV LC_ALL=en_US.UTF-8 - -ENV SCCACHE_BUCKET=${SCCACHE_BUCKET} -ENV SCCACHE_REGION=${SCCACHE_REGION} -ENV SCCACHE_S3_USE_SSL=${SCCACHE_S3_USE_SSL} -ENV SCCACHE_ENDPOINT=${SCCACHE_ENDPOINT} -ENV AWS_ACCESS_KEY_ID=${AWS_ACCESS_KEY_ID} -ENV AWS_SECRET_ACCESS_KEY=${AWS_SECRET_ACCESS_KEY} - -RUN install_packages \ - ca-certificates \ - curl \ - gnupg \ - && echo "deb https://apt.llvm.org/bullseye/ llvm-toolchain-bullseye-${LLVM_VERSION} main" > /etc/apt/sources.list.d/llvm.list \ - && echo "deb-src https://apt.llvm.org/bullseye/ llvm-toolchain-bullseye-${LLVM_VERSION} main" >> /etc/apt/sources.list.d/llvm.list \ - && curl -fsSL "https://apt.llvm.org/llvm-snapshot.gpg.key" | apt-key add - \ - && echo "deb https://deb.nodesource.com/node_${NODE_VERSION}.x nodistro main" > /etc/apt/sources.list.d/nodesource.list \ - && curl -fsSL "https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key" | apt-key add - \ - && echo "deb https://apt.kitware.com/ubuntu/ focal main" > /etc/apt/sources.list.d/kitware.list \ - && curl -fsSL "https://apt.kitware.com/keys/kitware-archive-latest.asc" | apt-key add - \ - && install_packages \ - wget \ - bash \ - software-properties-common \ - build-essential \ - autoconf \ - automake \ - libtool \ - pkg-config \ - clang-${LLVM_VERSION} \ - lld-${LLVM_VERSION} \ - lldb-${LLVM_VERSION} \ - clangd-${LLVM_VERSION} \ - libc++-${LLVM_VERSION}-dev \ - libc++abi-${LLVM_VERSION}-dev \ - llvm-${LLVM_VERSION}-runtime \ - llvm-${LLVM_VERSION}-dev \ - make \ - cmake \ - ninja-build \ - file \ - libc-dev \ - libxml2 \ - libxml2-dev \ - xz-utils \ - git \ - tar \ - rsync \ - gzip \ - unzip \ - perl \ - python3 \ - ruby \ - ruby-dev \ - golang \ - nodejs && \ - for f in /usr/lib/llvm-${LLVM_VERSION}/bin/*; do ln -sf "$f" /usr/bin; done \ - && ln -sf /usr/bin/clang-${LLVM_VERSION} /usr/bin/clang \ - && ln -sf /usr/bin/clang++-${LLVM_VERSION} /usr/bin/clang++ \ - && ln -sf /usr/bin/lld-${LLVM_VERSION} /usr/bin/lld \ - && ln -sf /usr/bin/lldb-${LLVM_VERSION} /usr/bin/lldb \ - && ln -sf /usr/bin/clangd-${LLVM_VERSION} /usr/bin/clangd \ - && ln -sf /usr/bin/llvm-ar-${LLVM_VERSION} /usr/bin/llvm-ar \ - && ln -sf /usr/bin/ld.lld /usr/bin/ld \ - && ln -sf /usr/bin/llvm-ranlib-${LLVM_VERSION} /usr/bin/ranlib \ - && ln -sf /usr/bin/clang /usr/bin/cc \ - && ln -sf /usr/bin/clang /usr/bin/c89 \ - && ln -sf /usr/bin/clang /usr/bin/c99 \ - && ln -sf /usr/bin/clang++ /usr/bin/c++ \ - && ln -sf /usr/bin/clang++ /usr/bin/g++ \ - && ln -sf /usr/bin/llvm-ar /usr/bin/ar \ - && ln -sf /usr/bin/clang /usr/bin/gcc \ - && arch="$(dpkg --print-architecture)" \ - && case "${arch##*-}" in \ - amd64) variant="x64";; \ - arm64) variant="aarch64";; \ - *) echo "unsupported architecture: $arch"; exit 1 ;; \ - esac \ - && wget "${BUN_DOWNLOAD_URL_BASE}/bun-linux-${variant}.zip" \ - && unzip bun-linux-${variant}.zip \ - && mv bun-linux-${variant}/bun /usr/bin/bun \ - && ln -s /usr/bin/bun /usr/bin/bunx \ - && rm -rf bun-linux-${variant} bun-linux-${variant}.zip \ - && mkdir -p ${BUN_DIR} ${BUN_DEPS_OUT_DIR} - -# && if [ -n "${SCCACHE_BUCKET}" ]; then \ -# echo "Setting up sccache" \ -# && wget https://github.com/mozilla/sccache/releases/download/v0.5.4/sccache-v0.5.4-${BUILD_MACHINE_ARCH}-unknown-linux-musl.tar.gz \ -# && tar xf sccache-v0.5.4-${BUILD_MACHINE_ARCH}-unknown-linux-musl.tar.gz \ -# && mv sccache-v0.5.4-${BUILD_MACHINE_ARCH}-unknown-linux-musl/sccache /usr/bin/sccache \ -# && rm -rf sccache-v0.5.4-${BUILD_MACHINE_ARCH}-unknown-linux-musl.tar.gz sccache-v0.5.4-${BUILD_MACHINE_ARCH}-unknown-linux-musl \ - -FROM bun-base as bun-base-with-zig - -ARG ZIG_VERSION -ARG ZIG_VERSION_SHORT -ARG BUILD_MACHINE_ARCH -ARG ZIG_FOLDERNAME=zig-linux-${BUILD_MACHINE_ARCH}-${ZIG_VERSION} -ARG ZIG_FILENAME=${ZIG_FOLDERNAME}.tar.xz -ARG ZIG_URL="https://ziglang.org/builds/${ZIG_FILENAME}" -ARG ZIG_LOCAL_CACHE_DIR=/zig-cache -ENV ZIG_LOCAL_CACHE_DIR=${ZIG_LOCAL_CACHE_DIR} - -WORKDIR $GITHUB_WORKSPACE - -ADD $ZIG_URL . -RUN tar xf ${ZIG_FILENAME} \ - && mv ${ZIG_FOLDERNAME}/lib /usr/lib/zig \ - && mv ${ZIG_FOLDERNAME}/zig /usr/bin/zig \ - && rm -rf ${ZIG_FILENAME} ${ZIG_FOLDERNAME} - -FROM bun-base as c-ares - -ARG BUN_DIR -ARG CPU_TARGET -ENV CPU_TARGET=${CPU_TARGET} -ARG CCACHE_DIR=/ccache -ENV CCACHE_DIR=${CCACHE_DIR} - -COPY Makefile ${BUN_DIR}/Makefile -COPY src/deps/c-ares ${BUN_DIR}/src/deps/c-ares -COPY scripts ${BUN_DIR}/scripts - -WORKDIR $BUN_DIR - -RUN --mount=type=cache,target=${CCACHE_DIR} \ - cd $BUN_DIR \ - && bash ./scripts/build-cares.sh \ - && rm -rf ${BUN_DIR}/src/deps/c-ares ${BUN_DIR}/Makefile ${BUN_DIR}/scripts - -FROM bun-base as lolhtml - -RUN curl https://sh.rustup.rs -sSf | sh -s -- -y - -ARG BUN_DIR -ARG CPU_TARGET -ENV CPU_TARGET=${CPU_TARGET} - -COPY Makefile ${BUN_DIR}/Makefile -COPY src/deps/lol-html ${BUN_DIR}/src/deps/lol-html - -ARG CCACHE_DIR=/ccache -ENV CCACHE_DIR=${CCACHE_DIR} - -RUN --mount=type=cache,target=${CCACHE_DIR} \ - export PATH=$PATH:$HOME/.cargo/bin \ - && cd ${BUN_DIR} \ - && make lolhtml \ - && rm -rf src/deps/lol-html Makefile - -FROM bun-base as mimalloc - -ARG BUN_DIR -ARG CPU_TARGET -ARG ASSERTIONS -ENV CPU_TARGET=${CPU_TARGET} - -COPY Makefile ${BUN_DIR}/Makefile -COPY src/deps/mimalloc ${BUN_DIR}/src/deps/mimalloc -COPY scripts ${BUN_DIR}/scripts - -ARG CCACHE_DIR=/ccache -ENV CCACHE_DIR=${CCACHE_DIR} - -RUN --mount=type=cache,target=${CCACHE_DIR} \ - cd ${BUN_DIR} \ - && bash ./scripts/build-mimalloc.sh \ - && rm -rf src/deps/mimalloc Makefile - -FROM bun-base as mimalloc-debug - -ARG BUN_DIR -ARG CPU_TARGET -ARG ASSERTIONS -ENV CPU_TARGET=${CPU_TARGET} - -COPY Makefile ${BUN_DIR}/Makefile -COPY src/deps/mimalloc ${BUN_DIR}/src/deps/mimalloc - -ARG CCACHE_DIR=/ccache -ENV CCACHE_DIR=${CCACHE_DIR} - -RUN --mount=type=cache,target=${CCACHE_DIR} \ - cd ${BUN_DIR} \ - && make mimalloc-debug \ - && rm -rf src/deps/mimalloc Makefile - -FROM bun-base as zlib - -ARG BUN_DIR -ARG CPU_TARGET -ENV CPU_TARGET=${CPU_TARGET} -ARG CCACHE_DIR=/ccache -ENV CCACHE_DIR=${CCACHE_DIR} - -COPY Makefile ${BUN_DIR}/Makefile -COPY CMakeLists.txt ${BUN_DIR}/CMakeLists.txt -COPY scripts ${BUN_DIR}/scripts -COPY src/deps/zlib ${BUN_DIR}/src/deps/zlib -COPY package.json bun.lockb Makefile .gitmodules ${BUN_DIR}/ - -WORKDIR $BUN_DIR - -RUN --mount=type=cache,target=${CCACHE_DIR} \ - cd $BUN_DIR \ - && bash ./scripts/build-zlib.sh && rm -rf src/deps/zlib scripts - - -FROM bun-base as libdeflate - -ARG BUN_DIR -ARG CPU_TARGET -ENV CPU_TARGET=${CPU_TARGET} -ARG CCACHE_DIR=/ccache -ENV CCACHE_DIR=${CCACHE_DIR} - -COPY Makefile ${BUN_DIR}/Makefile -COPY CMakeLists.txt ${BUN_DIR}/CMakeLists.txt -COPY scripts ${BUN_DIR}/scripts -COPY src/deps/libdeflate ${BUN_DIR}/src/deps/libdeflate -COPY package.json bun.lockb Makefile .gitmodules ${BUN_DIR}/ - -WORKDIR $BUN_DIR - -RUN --mount=type=cache,target=${CCACHE_DIR} \ - cd $BUN_DIR \ - && bash ./scripts/build-libdeflate.sh && rm -rf src/deps/libdeflate scripts - - -FROM bun-base as libarchive - -ARG BUN_DIR -ARG CPU_TARGET -ENV CPU_TARGET=${CPU_TARGET} -ARG CCACHE_DIR=/ccache -ENV CCACHE_DIR=${CCACHE_DIR} - -RUN install_packages autoconf automake libtool pkg-config - -COPY scripts ${BUN_DIR}/scripts -COPY src/deps/libarchive ${BUN_DIR}/src/deps/libarchive - -WORKDIR $BUN_DIR - -RUN --mount=type=cache,target=${CCACHE_DIR} \ - cd $BUN_DIR \ - && bash ./scripts/build-libarchive.sh && rm -rf src/deps/libarchive .scripts - -FROM bun-base as tinycc - -ARG BUN_DEPS_OUT_DIR -ARG BUN_DIR -ARG CPU_TARGET -ENV CPU_TARGET=${CPU_TARGET} - -RUN install_packages libtcc-dev && cp /usr/lib/$(uname -m)-linux-gnu/libtcc.a ${BUN_DEPS_OUT_DIR} - -FROM bun-base as boringssl - -RUN install_packages golang - -ARG BUN_DIR -ARG CPU_TARGET -ENV CPU_TARGET=${CPU_TARGET} - -COPY Makefile ${BUN_DIR}/Makefile -COPY scripts ${BUN_DIR}/scripts -COPY src/deps/boringssl ${BUN_DIR}/src/deps/boringssl - -WORKDIR $BUN_DIR - -ARG CCACHE_DIR=/ccache -ENV CCACHE_DIR=${CCACHE_DIR} - -RUN --mount=type=cache,target=${CCACHE_DIR} \ - cd ${BUN_DIR} \ - && bash ./scripts/build-boringssl.sh \ - && rm -rf src/deps/boringssl Makefile - - -FROM bun-base as zstd - -ARG BUN_DIR - -ARG CPU_TARGET -ENV CPU_TARGET=${CPU_TARGET} - -ARG CCACHE_DIR=/ccache -ENV CCACHE_DIR=${CCACHE_DIR} - -COPY Makefile ${BUN_DIR}/Makefile -COPY src/deps/zstd ${BUN_DIR}/src/deps/zstd -COPY scripts ${BUN_DIR}/scripts - -WORKDIR $BUN_DIR - -RUN --mount=type=cache,target=${CCACHE_DIR} \ - cd $BUN_DIR \ - && bash ./scripts/build-zstd.sh \ - && rm -rf src/deps/zstd scripts - -FROM bun-base as ls-hpack - -ARG BUN_DIR - -ARG CPU_TARGET -ENV CPU_TARGET=${CPU_TARGET} - -ARG CCACHE_DIR=/ccache -ENV CCACHE_DIR=${CCACHE_DIR} - -COPY Makefile ${BUN_DIR}/Makefile -COPY src/deps/ls-hpack ${BUN_DIR}/src/deps/ls-hpack -COPY scripts ${BUN_DIR}/scripts - -WORKDIR $BUN_DIR - -RUN --mount=type=cache,target=${CCACHE_DIR} \ - cd $BUN_DIR \ - && bash ./scripts/build-lshpack.sh \ - && rm -rf src/deps/ls-hpack scripts - -FROM bun-base-with-zig as bun-identifier-cache - -ARG DEBIAN_FRONTEND -ARG GITHUB_WORKSPACE -ARG CPU_TARGET -ARG BUN_DIR -ENV CPU_TARGET=${CPU_TARGET} - -WORKDIR $BUN_DIR - -COPY src/js_lexer/identifier_data.zig ${BUN_DIR}/src/js_lexer/identifier_data.zig -COPY src/js_lexer/identifier_cache.zig ${BUN_DIR}/src/js_lexer/identifier_cache.zig - -RUN --mount=type=cache,target=${ZIG_LOCAL_CACHE_DIR} \ - cd $BUN_DIR \ - && zig run src/js_lexer/identifier_data.zig - -FROM bun-base as bun-node-fallbacks - -ARG BUN_DIR - -WORKDIR $BUN_DIR - -COPY src/node-fallbacks ${BUN_DIR}/src/node-fallbacks - -RUN cd $BUN_DIR/src/node-fallbacks \ - && bun install --frozen-lockfile \ - && bun run build \ - && rm -rf src/node-fallbacks/node_modules - -FROM bun-base as bun-webkit - -ARG BUILDARCH -ARG ASSERTIONS - -COPY CMakeLists.txt ${BUN_DIR}/CMakeLists.txt - -RUN mkdir ${BUN_DIR}/bun-webkit \ - && WEBKIT_TAG=$(grep 'set(WEBKIT_TAG' "${BUN_DIR}/CMakeLists.txt" | awk '{print $2}' | cut -f 1 -d ')') \ - && WEBKIT_SUFFIX=$(if [ "${ASSERTIONS}" = "ON" ]; then echo "debug"; else echo "lto"; fi) \ - && WEBKIT_URL="https://github.com/oven-sh/WebKit/releases/download/autobuild-${WEBKIT_TAG}/bun-webkit-linux-${BUILDARCH}-${WEBKIT_SUFFIX}.tar.gz" \ - && echo "Downloading ${WEBKIT_URL}" \ - && curl -fsSL "${WEBKIT_URL}" | tar -xz -C ${BUN_DIR}/bun-webkit --strip-components=1 - -FROM bun-base as bun-cpp-objects - -ARG CANARY -ARG ASSERTIONS - -COPY --from=bun-webkit ${BUN_DIR}/bun-webkit ${BUN_DIR}/bun-webkit - -COPY packages ${BUN_DIR}/packages -COPY src ${BUN_DIR}/src -COPY CMakeLists.txt ${BUN_DIR}/CMakeLists.txt -COPY src/deps/boringssl/include ${BUN_DIR}/src/deps/boringssl/include - -# for uWebSockets -COPY src/deps/libdeflate ${BUN_DIR}/src/deps/libdeflate - -ARG CCACHE_DIR=/ccache -ENV CCACHE_DIR=${CCACHE_DIR} - -RUN --mount=type=cache,target=${CCACHE_DIR} mkdir ${BUN_DIR}/build \ - && cd ${BUN_DIR}/build \ - && mkdir -p tmp_modules tmp_functions js codegen \ - && cmake .. -GNinja -DCMAKE_BUILD_TYPE=Release -DUSE_LTO=ON -DUSE_DEBUG_JSC=${ASSERTIONS} -DBUN_CPP_ONLY=1 -DWEBKIT_DIR=/build/bun/bun-webkit -DCANARY=${CANARY} -DZIG_COMPILER=system \ - && bash compile-cpp-only.sh -v - -FROM bun-base-with-zig as bun-codegen-for-zig - -COPY package.json bun.lockb Makefile .gitmodules ${BUN_DIR}/ -COPY src/runtime ${BUN_DIR}/src/runtime -COPY src/runtime.js src/runtime.bun.js ${BUN_DIR}/src/ -COPY packages/bun-error ${BUN_DIR}/packages/bun-error -COPY packages/bun-types ${BUN_DIR}/packages/bun-types -COPY src/fallback.ts ${BUN_DIR}/src/fallback.ts -COPY src/api ${BUN_DIR}/src/api - -WORKDIR $BUN_DIR - -# TODO: move away from Makefile entirely -RUN --mount=type=cache,target=${ZIG_LOCAL_CACHE_DIR} \ - bun install --frozen-lockfile \ - && make runtime_js fallback_decoder bun_error \ - && rm -rf src/runtime src/fallback.ts node_modules bun.lockb package.json Makefile - -FROM bun-base-with-zig as bun-compile-zig-obj - -ARG ZIG_PATH -ARG TRIPLET -ARG GIT_SHA -ARG CPU_TARGET -ARG CANARY=0 -ARG ASSERTIONS=OFF -ARG ZIG_OPTIMIZE=ReleaseFast - -ARG CCACHE_DIR=/ccache -ENV CCACHE_DIR=${CCACHE_DIR} - -COPY *.zig package.json CMakeLists.txt ${BUN_DIR}/ -COPY completions ${BUN_DIR}/completions -COPY packages ${BUN_DIR}/packages -COPY src ${BUN_DIR}/src - -COPY --from=bun-identifier-cache ${BUN_DIR}/src/js_lexer/*.blob ${BUN_DIR}/src/js_lexer/ -COPY --from=bun-node-fallbacks ${BUN_DIR}/src/node-fallbacks/out ${BUN_DIR}/src/node-fallbacks/out -COPY --from=bun-codegen-for-zig ${BUN_DIR}/src/*.out.js ${BUN_DIR}/src/*.out.refresh.js ${BUN_DIR}/src/ -COPY --from=bun-codegen-for-zig ${BUN_DIR}/packages/bun-error/dist ${BUN_DIR}/packages/bun-error/dist - -WORKDIR $BUN_DIR - -RUN --mount=type=cache,target=${CCACHE_DIR} \ - --mount=type=cache,target=${ZIG_LOCAL_CACHE_DIR} \ - mkdir -p build \ - && bun run $BUN_DIR/src/codegen/bundle-modules.ts --debug=OFF $BUN_DIR/build \ - && cd build \ - && cmake .. \ - -G Ninja \ - -DCMAKE_BUILD_TYPE=Release \ - -DUSE_LTO=ON \ - -DZIG_OPTIMIZE="${ZIG_OPTIMIZE}" \ - -DCPU_TARGET="${CPU_TARGET}" \ - -DZIG_TARGET="${TRIPLET}" \ - -DWEBKIT_DIR="omit" \ - -DNO_CONFIGURE_DEPENDS=1 \ - -DNO_CODEGEN=1 \ - -DBUN_ZIG_OBJ_DIR="/tmp" \ - -DCANARY="${CANARY}" \ - -DZIG_COMPILER=system \ - -DZIG_LIB_DIR=$BUN_DIR/src/deps/zig/lib \ - && ONLY_ZIG=1 ninja "/tmp/bun-zig.o" -v - -FROM scratch as build_release_obj - -ARG CPU_TARGET -ENV CPU_TARGET=${CPU_TARGET} - -COPY --from=bun-compile-zig-obj /tmp/bun-zig.o / - -FROM bun-base as bun-link - -ARG CPU_TARGET -ARG CANARY -ARG ASSERTIONS - -ENV CPU_TARGET=${CPU_TARGET} -ARG CCACHE_DIR=/ccache -ENV CCACHE_DIR=${CCACHE_DIR} -ARG ZIG_LOCAL_CACHE_DIR=/zig-cache -ENV ZIG_LOCAL_CACHE_DIR=${ZIG_LOCAL_CACHE_DIR} - -WORKDIR $BUN_DIR - -RUN mkdir -p build bun-webkit - -# lol -COPY src/bun.js/bindings/sqlite/sqlite3.c ${BUN_DIR}/src/bun.js/bindings/sqlite/sqlite3.c -COPY src/deps/brotli ${BUN_DIR}/src/deps/brotli - -COPY src/symbols.dyn src/linker.lds ${BUN_DIR}/src/ - -COPY CMakeLists.txt ${BUN_DIR}/CMakeLists.txt -COPY --from=zlib ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=libdeflate ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=libarchive ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=boringssl ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=lolhtml ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=mimalloc ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=zstd ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=tinycc ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=c-ares ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=ls-hpack ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=bun-compile-zig-obj /tmp/bun-zig.o ${BUN_DIR}/build/bun-zig.o -COPY --from=bun-cpp-objects ${BUN_DIR}/build/*.a ${BUN_DIR}/build/ -COPY --from=bun-cpp-objects ${BUN_DIR}/build/*.o ${BUN_DIR}/build/ -COPY --from=bun-cpp-objects ${BUN_DIR}/bun-webkit/lib ${BUN_DIR}/bun-webkit/lib - -WORKDIR $BUN_DIR/build - -RUN --mount=type=cache,target=${CCACHE_DIR} \ - --mount=type=cache,target=${ZIG_LOCAL_CACHE_DIR} \ - cmake .. \ - -G Ninja \ - -DCMAKE_BUILD_TYPE=Release \ - -DBUN_LINK_ONLY=1 \ - -DBUN_ZIG_OBJ_DIR="${BUN_DIR}/build" \ - -DUSE_LTO=ON \ - -DUSE_DEBUG_JSC=${ASSERTIONS} \ - -DBUN_CPP_ARCHIVE="${BUN_DIR}/build/bun-cpp-objects.a" \ - -DWEBKIT_DIR="${BUN_DIR}/bun-webkit" \ - -DBUN_DEPS_OUT_DIR="${BUN_DEPS_OUT_DIR}" \ - -DCPU_TARGET="${CPU_TARGET}" \ - -DNO_CONFIGURE_DEPENDS=1 \ - -DCANARY="${CANARY}" \ - -DZIG_COMPILER=system \ - && ninja -v \ - && ./bun --revision \ - && mkdir -p /build/out \ - && mv bun bun-profile /build/out \ - && rm -rf ${BUN_DIR} ${BUN_DEPS_OUT_DIR} - -FROM scratch as artifact - -COPY --from=bun-link /build/out / - -FROM bun-base as bun-link-assertions - -ARG CPU_TARGET -ARG CANARY -ARG ASSERTIONS - -ENV CPU_TARGET=${CPU_TARGET} -ARG CCACHE_DIR=/ccache -ENV CCACHE_DIR=${CCACHE_DIR} -ARG ZIG_LOCAL_CACHE_DIR=/zig-cache -ENV ZIG_LOCAL_CACHE_DIR=${ZIG_LOCAL_CACHE_DIR} - -WORKDIR $BUN_DIR - -RUN mkdir -p build bun-webkit - -# lol -COPY src/bun.js/bindings/sqlite/sqlite3.c ${BUN_DIR}/src/bun.js/bindings/sqlite/sqlite3.c - -COPY src/symbols.dyn src/linker.lds ${BUN_DIR}/src/ - -COPY CMakeLists.txt ${BUN_DIR}/CMakeLists.txt -COPY --from=zlib ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=libarchive ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=boringssl ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=lolhtml ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=mimalloc-debug ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=zstd ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=tinycc ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=c-ares ${BUN_DEPS_OUT_DIR}/* ${BUN_DEPS_OUT_DIR}/ -COPY --from=bun-compile-zig-obj /tmp/bun-zig.o ${BUN_DIR}/build/bun-zig.o -COPY --from=bun-cpp-objects ${BUN_DIR}/build/bun-cpp-objects.a ${BUN_DIR}/build/bun-cpp-objects.a -COPY --from=bun-cpp-objects ${BUN_DIR}/bun-webkit/lib ${BUN_DIR}/bun-webkit/lib - -WORKDIR $BUN_DIR/build - -RUN --mount=type=cache,target=${CCACHE_DIR} \ - --mount=type=cache,target=${ZIG_LOCAL_CACHE_DIR} \ - cmake .. \ - -G Ninja \ - -DCMAKE_BUILD_TYPE=Release \ - -DBUN_LINK_ONLY=1 \ - -DBUN_ZIG_OBJ_DIR="${BUN_DIR}/build" \ - -DUSE_DEBUG_JSC=ON \ - -DBUN_CPP_ARCHIVE="${BUN_DIR}/build/bun-cpp-objects.a" \ - -DWEBKIT_DIR="${BUN_DIR}/bun-webkit" \ - -DBUN_DEPS_OUT_DIR="${BUN_DEPS_OUT_DIR}" \ - -DCPU_TARGET="${CPU_TARGET}" \ - -DNO_CONFIGURE_DEPENDS=1 \ - -DCANARY="${CANARY}" \ - -DZIG_COMPILER=system \ - -DUSE_LTO=ON \ - && ninja -v \ - && ./bun --revision \ - && mkdir -p /build/out \ - && mv bun bun-profile /build/out \ - && rm -rf ${BUN_DIR} ${BUN_DEPS_OUT_DIR} - -FROM scratch as artifact-assertions - -COPY --from=bun-link-assertions /build/out / \ No newline at end of file diff --git a/Makefile b/Makefile index d9f2ae2fd9..f0166e8dab 100644 --- a/Makefile +++ b/Makefile @@ -1,3 +1,10 @@ +# ------------------------------------------------------------ +# WARNING +# ------------------------------------------------------------ +# This file is very old and will be removed soon! +# You can build Bun using `cmake` or `bun run build` +# ------------------------------------------------------------ + SHELL := $(shell which bash) # Use bash syntax to be consistent OS_NAME := $(shell uname -s | tr '[:upper:]' '[:lower:]') diff --git a/cmake/CompilerFlags.cmake b/cmake/CompilerFlags.cmake new file mode 100644 index 0000000000..5b4d8aaf40 --- /dev/null +++ b/cmake/CompilerFlags.cmake @@ -0,0 +1,145 @@ +include(Macros) + +# clang: https://clang.llvm.org/docs/CommandGuide/clang.html +# clang-cl: https://clang.llvm.org/docs/UsersManual.html#id11 + +# --- MSVC runtime --- + +if(WIN32) + if(DEBUG) + add_compile_options(/MTd) # Use static debug run-time + else() + add_compile_options(/MT) # Use static run-time + endif() +endif() + +# --- Optimization level --- + +if(DEBUG) + if(WIN32) + add_compile_options(/O0) + else() + add_compile_options(-O0) + endif() +elseif(ENABLE_SMOL) + if(WIN32) + add_compile_options(/Os) + else() + add_compile_options(-Os) + endif() +else() + if(WIN32) + # TODO: change to /0t (same as -O3) to match macOS and Linux? + add_compile_options(/O2) + else() + add_compile_options(-O3) + endif() +endif() + +# --- Debug symbols --- + +if(WIN32) + add_compile_options( + /Z7 # Produce a .pdb file + ) +else() + add_compile_options( + -ggdb # Produce a format that is compatable with GDB + -gdwarf-4 # Produce DWARF v4 debug info + ) + if(DEBUG) + add_compile_options(-g3) + else() + add_compile_options(-g1) + endif() +endif() + +# TODO: consider other debug options +# -fdebug-macro # Emit debug info for macros +# -fstandalone-debug # Emit debug info for non-system libraries +# -fno-eliminate-unused-debug-types # Don't eliminate unused debug symbols + +# --- RTTI --- + +if(WIN32) + add_compile_options(/GR-) +else() + add_compile_options(-fno-rtti) +endif() + +# --- CPU target (-march, -mtune, -mcpu) --- + +# Using -march=native can break older systems, instead use a specific CPU +if(CPU STREQUAL "native") + if(ARCH STREQUAL "aarch64") + if(APPLE) + add_compile_options(-mcpu=apple-m1) + else() + add_compile_options(-march=armv8-a+crc -mtune=ampere1) + endif() + endif() +elseif(CPU) + add_compile_options(-march=${CPU} -mtune=${CPU}) +else() + message(FATAL_ERROR "No CPU specified, please set -DCPU=") +endif() + +# --- Diagnostics --- + +if(NOT WIN32) + add_compile_options(-fdiagnostics-color=always) +endif() + +add_compile_options(-ferror-limit=${ERROR_LIMIT}) + +# --- Remapping --- + +if(NOT WIN32) + add_compile_options( + -ffile-prefix-map=${CWD}=. + -ffile-prefix-map=${BUILD_PATH}=build + -ffile-prefix-map=${CACHE_PATH}=cache + ) +endif() + +# --- Features --- + +# Valgrind cannot handle SSE4.2 instructions +# This is needed for picohttpparser +if(ENABLE_VALGRIND AND ARCH STREQUAL "x64") + add_compile_definitions("__SSE4_2__=0") +endif() + +# --- Other --- + +# Workaround for CMake and clang-cl bug. +# https://github.com/ninja-build/ninja/issues/2280 +if(WIN32 AND NOT CMAKE_CL_SHOWINCLUDES_PREFIX) + set(CMAKE_CL_SHOWINCLUDES_PREFIX "Note: including file:") +endif() + +if(ENABLE_ASSERTIONS) + if(APPLE) + # add_compile_definitions("_LIBCXX_ENABLE_ASSERTIONS=1") + # add_compile_definitions("_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_DEBUG") + elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux") + add_compile_definitions("_GLIBCXX_ASSERTIONS=1") + endif() + + add_compile_definitions("ASSERT_ENABLED=1") +else() + if(APPLE) + # add_compile_definitions("_LIBCXX_ENABLE_ASSERTIONS=0") + # add_compile_definitions("_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE") + endif() + + add_compile_definitions("NDEBUG=1") +endif() + +# WebKit uses -std=gnu++20 on non-macOS non-Windows. +# If we do not set this, it will crash at startup on the first memory allocation. +if(NOT WIN32 AND NOT APPLE) + set(CMAKE_CXX_EXTENSIONS ON) + set(CMAKE_POSITION_INDEPENDENT_CODE OFF) +endif() + diff --git a/cmake/Macros.cmake b/cmake/Macros.cmake new file mode 100644 index 0000000000..2f62c4c22f --- /dev/null +++ b/cmake/Macros.cmake @@ -0,0 +1,704 @@ +include(CMakeParseArguments) + +function(parse_semver value variable) + string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" match "${value}") + + if(NOT match) + message(FATAL_ERROR "Invalid semver: \"${value}\"") + endif() + + set(${variable}_VERSION "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}" PARENT_SCOPE) + set(${variable}_VERSION_MAJOR "${CMAKE_MATCH_1}" PARENT_SCOPE) + set(${variable}_VERSION_MINOR "${CMAKE_MATCH_2}" PARENT_SCOPE) + set(${variable}_VERSION_PATCH "${CMAKE_MATCH_3}" PARENT_SCOPE) +endfunction() + +# setx() +# Description: +# Sets a variable, similar to `set()`, but also prints the value. +# Arguments: +# variable string - The variable to set +# value string - The value to set the variable to +macro(setx) + set(${ARGV}) + message(STATUS "Set ${ARGV0}: ${${ARGV0}}") +endmacro() + +# setenv() +# Description: +# Sets an environment variable during the build step, and writes it to a .env file. +# Arguments: +# variable string - The variable to set +# value string - The value to set the variable to +function(setenv variable value) + set(ENV_PATH ${BUILD_PATH}/.env) + if(value MATCHES "/|\\\\") + file(TO_NATIVE_PATH ${value} value) + endif() + set(ENV_LINE "${variable}=${value}") + + if(EXISTS ${ENV_PATH}) + file(STRINGS ${ENV_PATH} ENV_FILE ENCODING UTF-8) + + foreach(line ${ENV_FILE}) + if(line MATCHES "^${variable}=") + list(REMOVE_ITEM ENV_FILE ${line}) + set(ENV_MODIFIED ON) + endif() + endforeach() + + if(ENV_MODIFIED) + list(APPEND ENV_FILE "${variable}=${value}") + list(JOIN ENV_FILE "\n" ENV_FILE) + file(WRITE ${ENV_PATH} ${ENV_FILE}) + else() + file(APPEND ${ENV_PATH} "\n${variable}=${value}") + endif() + else() + file(WRITE ${ENV_PATH} ${ENV_LINE}) + endif() + + message(STATUS "Set ENV ${variable}: ${value}") +endfunction() + +# optionx() +# Description: +# Defines an option, similar to `option()`, but allows for bool, string, and regex types. +# Arguments: +# variable string - The variable to set +# type string - The type of the variable +# description string - The description of the variable +# DEFAULT string - The default value of the variable +# PREVIEW string - The preview value of the variable +# REGEX string - The regex to match the value +# REQUIRED bool - Whether the variable is required +macro(optionx variable type description) + set(options REQUIRED) + set(oneValueArgs DEFAULT PREVIEW REGEX) + set(multiValueArgs) + cmake_parse_arguments(${variable} "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN}) + + if(NOT ${type} MATCHES "^(BOOL|STRING|FILEPATH|PATH|INTERNAL)$") + set(${variable}_REGEX ${type}) + set(${variable}_TYPE STRING) + else() + set(${variable}_TYPE ${type}) + endif() + + set(${variable} ${${variable}_DEFAULT} CACHE ${${variable}_TYPE} ${description}) + set(${variable}_SOURCE "argument") + set(${variable}_PREVIEW -D${variable}) + + if(DEFINED ENV{${variable}}) + # if(DEFINED ${variable} AND NOT ${variable} STREQUAL $ENV{${variable}}) + # message(FATAL_ERROR "Invalid ${${variable}_SOURCE}: ${${variable}_PREVIEW}=\"${${variable}}\" conflicts with environment variable ${variable}=\"$ENV{${variable}}\"") + # endif() + + set(${variable} $ENV{${variable}} CACHE ${${variable}_TYPE} ${description} FORCE) + set(${variable}_SOURCE "environment variable") + set(${variable}_PREVIEW ${variable}) + endif() + + if(NOT ${variable} AND ${${variable}_REQUIRED}) + message(FATAL_ERROR "Required ${${variable}_SOURCE} is missing: please set, ${${variable}_PREVIEW}=<${${variable}_REGEX}>") + endif() + + if(${type} STREQUAL "BOOL") + if("${${variable}}" MATCHES "^(TRUE|true|ON|on|YES|yes|1)$") + set(${variable} ON) + elseif("${${variable}}" MATCHES "^(FALSE|false|OFF|off|NO|no|0)$") + set(${variable} OFF) + else() + message(FATAL_ERROR "Invalid ${${variable}_SOURCE}: ${${variable}_PREVIEW}=\"${${variable}}\", please use ${${variable}_PREVIEW}=") + endif() + endif() + + if(DEFINED ${variable}_REGEX AND NOT "^(${${variable}_REGEX})$" MATCHES "${${variable}}") + message(FATAL_ERROR "Invalid ${${variable}_SOURCE}: ${${variable}_PREVIEW}=\"${${variable}}\", please use ${${variable}_PREVIEW}=<${${variable}_REGEX}>") + endif() + + message(STATUS "Set ${variable}: ${${variable}}") +endmacro() + +# check_command() +# Description: +# Checks if a command is available, used by `find_command()` as a validator. +# Arguments: +# FOUND bool - The variable to set to true if the version is found +# CMD string - The executable to check the version of +function(check_command FOUND CMD) + set(${FOUND} OFF PARENT_SCOPE) + + if(${CMD} MATCHES "zig") + set(CHECK_COMMAND ${CMD} version) + else() + set(CHECK_COMMAND ${CMD} --version) + endif() + + execute_process( + COMMAND ${CHECK_COMMAND} + RESULT_VARIABLE RESULT + OUTPUT_VARIABLE OUTPUT + OUTPUT_STRIP_TRAILING_WHITESPACE + ) + + if(NOT RESULT EQUAL 0) + message(DEBUG "${CHECK_COMMAND}, exited with code ${RESULT}") + return() + endif() + + parse_semver(${OUTPUT} CMD) + parse_semver(${CHECK_COMMAND_VERSION} CHECK) + + if(CHECK_COMMAND_VERSION MATCHES ">=") + if(NOT CMD_VERSION VERSION_GREATER_EQUAL ${CHECK_VERSION}) + message(DEBUG "${CHECK_COMMAND}, actual: ${CMD_VERSION}, expected: ${CHECK_COMMAND_VERSION}") + return() + endif() + elseif(CHECK_COMMAND_VERSION MATCHES ">") + if(NOT CMD_VERSION VERSION_GREATER ${CHECK_VERSION}) + message(DEBUG "${CHECK_COMMAND}, actual: ${CMD_VERSION}, expected: ${CHECK_COMMAND_VERSION}") + return() + endif() + else() + if(NOT CMD_VERSION VERSION_EQUAL ${CHECK_VERSION}) + message(DEBUG "${CHECK_COMMAND}, actual: ${CMD_VERSION}, expected: =${CHECK_COMMAND_VERSION}") + return() + endif() + endif() + + set(${FOUND} TRUE PARENT_SCOPE) +endfunction() + +# find_command() +# Description: +# Finds a command, similar to `find_program()`, but allows for version checking. +# Arguments: +# VARIABLE string - The variable to set +# COMMAND string[] - The names of the command to find +# PATHS string[] - The paths to search for the command +# REQUIRED bool - If false, the command is optional +# VERSION string - The version of the command to find (e.g. "1.2.3" or ">1.2.3") +function(find_command) + set(options) + set(args VARIABLE VERSION MIN_VERSION REQUIRED) + set(multiArgs COMMAND PATHS) + cmake_parse_arguments(CMD "${options}" "${args}" "${multiArgs}" ${ARGN}) + + if(NOT CMD_VARIABLE) + message(FATAL_ERROR "find_command: VARIABLE is required") + endif() + + if(NOT CMD_COMMAND) + message(FATAL_ERROR "find_command: COMMAND is required") + endif() + + if(CMD_VERSION) + set(CHECK_COMMAND_VERSION ${CMD_VERSION}) # special global variable + set(CMD_VALIDATOR VALIDATOR check_command) + endif() + + find_program( + ${CMD_VARIABLE} + NAMES ${CMD_COMMAND} + PATHS ${CMD_PATHS} + ${CMD_VALIDATOR} + ) + + if(NOT CMD_REQUIRED STREQUAL "OFF" AND ${CMD_VARIABLE} MATCHES "NOTFOUND") + if(CMD_VERSION) + message(FATAL_ERROR "Command not found: \"${CMD_COMMAND}\" that matches version \"${CHECK_COMMAND_VERSION}\"") + endif() + message(FATAL_ERROR "Command not found: \"${CMD_COMMAND}\"") + endif() + + setx(${CMD_VARIABLE} ${${CMD_VARIABLE}}) +endfunction() + +# register_command() +# Description: +# Registers a command, similar to `add_custom_command()`, but has more validation and features. +# Arguments: +# COMMAND string[] - The command to run +# COMMENT string - The comment to display in the log +# CWD string - The working directory to run the command in +# ENVIRONMENT string[] - The environment variables to set (e.g. "DEBUG=1") +# TARGETS string[] - The targets that this command depends on +# SOURCES string[] - The files that this command depends on +# OUTPUTS string[] - The files that this command produces +# ARTIFACTS string[] - The files that this command produces, and uploads as an artifact in CI +# ALWAYS_RUN bool - If true, the command will always run +# TARGET string - The target to register the command with +# TARGET_PHASE string - The target phase to register the command with (e.g. PRE_BUILD, PRE_LINK, POST_BUILD) +# GROUP string - The group to register the command with (e.g. similar to JOB_POOL) +function(register_command) + set(options ALWAYS_RUN) + set(args COMMENT CWD TARGET TARGET_PHASE GROUP) + set(multiArgs COMMAND ENVIRONMENT TARGETS SOURCES OUTPUTS ARTIFACTS) + cmake_parse_arguments(CMD "${options}" "${args}" "${multiArgs}" ${ARGN}) + + if(NOT CMD_COMMAND) + message(FATAL_ERROR "register_command: COMMAND is required") + endif() + + if(NOT CMD_CWD) + set(CMD_CWD ${CWD}) + endif() + + if(CMD_ENVIRONMENT) + set(CMD_COMMAND ${CMAKE_COMMAND} -E env ${CMD_ENVIRONMENT} ${CMD_COMMAND}) + endif() + + if(NOT CMD_COMMENT) + string(JOIN " " CMD_COMMENT ${CMD_COMMAND}) + endif() + + set(CMD_COMMANDS COMMAND ${CMD_COMMAND}) + set(CMD_EFFECTIVE_DEPENDS) + + list(GET CMD_COMMAND 0 CMD_EXECUTABLE) + if(CMD_EXECUTABLE MATCHES "/|\\\\") + list(APPEND CMD_EFFECTIVE_DEPENDS ${CMD_EXECUTABLE}) + endif() + + foreach(target ${CMD_TARGETS}) + if(target MATCHES "/|\\\\") + message(FATAL_ERROR "register_command: TARGETS contains \"${target}\", if it's a path add it to SOURCES instead") + endif() + if(NOT TARGET ${target}) + message(FATAL_ERROR "register_command: TARGETS contains \"${target}\", but it's not a target") + endif() + list(APPEND CMD_EFFECTIVE_DEPENDS ${target}) + endforeach() + + foreach(source ${CMD_SOURCES}) + if(NOT source MATCHES "^(${CWD}|${BUILD_PATH})") + message(FATAL_ERROR "register_command: SOURCES contains \"${source}\", if it's a path, make it absolute, otherwise add it to TARGETS instead") + endif() + list(APPEND CMD_EFFECTIVE_DEPENDS ${source}) + endforeach() + + if(NOT CMD_EFFECTIVE_DEPENDS AND NOT CMD_ALWAYS_RUN) + message(FATAL_ERROR "register_command: TARGETS or SOURCES is required") + endif() + + set(CMD_EFFECTIVE_OUTPUTS) + + foreach(output ${CMD_OUTPUTS}) + if(NOT output MATCHES "^(${CWD}|${BUILD_PATH})") + message(FATAL_ERROR "register_command: OUTPUTS contains \"${output}\", if it's a path, make it absolute") + endif() + list(APPEND CMD_EFFECTIVE_OUTPUTS ${output}) + endforeach() + + foreach(artifact ${CMD_ARTIFACTS}) + if(NOT artifact MATCHES "^(${CWD}|${BUILD_PATH})") + message(FATAL_ERROR "register_command: ARTIFACTS contains \"${artifact}\", if it's a path, make it absolute") + endif() + list(APPEND CMD_EFFECTIVE_OUTPUTS ${artifact}) + if(BUILDKITE) + file(RELATIVE_PATH filename ${BUILD_PATH} ${artifact}) + list(APPEND CMD_COMMANDS COMMAND ${CMAKE_COMMAND} -E chdir ${BUILD_PATH} buildkite-agent artifact upload ${filename}) + endif() + endforeach() + + foreach(output ${CMD_EFFECTIVE_OUTPUTS}) + get_source_file_property(generated ${output} GENERATED) + if(generated) + list(REMOVE_ITEM CMD_EFFECTIVE_OUTPUTS ${output}) + list(APPEND CMD_EFFECTIVE_OUTPUTS ${output}.always_run) + endif() + endforeach() + + if(CMD_ALWAYS_RUN) + list(APPEND CMD_EFFECTIVE_OUTPUTS ${CMD_CWD}/.always_run) + endif() + + if(CMD_TARGET_PHASE) + if(NOT CMD_TARGET) + message(FATAL_ERROR "register_command: TARGET is required when TARGET_PHASE is set") + endif() + if(NOT TARGET ${CMD_TARGET}) + message(FATAL_ERROR "register_command: TARGET is not a valid target: ${CMD_TARGET}") + endif() + add_custom_command( + TARGET ${CMD_TARGET} ${CMD_TARGET_PHASE} + COMMENT ${CMD_COMMENT} + WORKING_DIRECTORY ${CMD_CWD} + VERBATIM ${CMD_COMMANDS} + ) + set_property(TARGET ${CMD_TARGET} PROPERTY OUTPUT ${CMD_EFFECTIVE_OUTPUTS} APPEND) + set_property(TARGET ${CMD_TARGET} PROPERTY DEPENDS ${CMD_EFFECTIVE_DEPENDS} APPEND) + return() + endif() + + if(NOT CMD_EFFECTIVE_OUTPUTS) + message(FATAL_ERROR "register_command: OUTPUTS or ARTIFACTS is required, or set ALWAYS_RUN") + endif() + + if(CMD_TARGET) + if(TARGET ${CMD_TARGET}) + message(FATAL_ERROR "register_command: TARGET is already registered: ${CMD_TARGET}") + endif() + add_custom_target(${CMD_TARGET} + COMMENT ${CMD_COMMENT} + DEPENDS ${CMD_EFFECTIVE_OUTPUTS} + JOB_POOL ${CMD_GROUP} + ) + if(TARGET clone-${CMD_TARGET}) + add_dependencies(${CMD_TARGET} clone-${CMD_TARGET}) + endif() + endif() + + add_custom_command( + VERBATIM ${CMD_COMMANDS} + WORKING_DIRECTORY ${CMD_CWD} + COMMENT ${CMD_COMMENT} + DEPENDS ${CMD_EFFECTIVE_DEPENDS} + OUTPUT ${CMD_EFFECTIVE_OUTPUTS} + JOB_POOL ${CMD_GROUP} + ) +endfunction() + +# parse_package_json() +# Description: +# Parses a package.json file. +# Arguments: +# CWD string - The directory to look for the package.json file +# VERSION_VARIABLE string - The variable to set to the package version +# NODE_MODULES_VARIABLE string - The variable to set to list of node_modules sources +function(parse_package_json) + set(args CWD VERSION_VARIABLE NODE_MODULES_VARIABLE) + cmake_parse_arguments(NPM "" "${args}" "" ${ARGN}) + + if(NOT NPM_CWD) + set(NPM_CWD ${CWD}) + endif() + + set(NPM_PACKAGE_JSON_PATH ${NPM_CWD}/package.json) + + if(NOT EXISTS ${NPM_PACKAGE_JSON_PATH}) + message(FATAL_ERROR "parse_package_json: package.json not found: ${NPM_PACKAGE_JSON_PATH}") + endif() + + file(READ ${NPM_PACKAGE_JSON_PATH} NPM_PACKAGE_JSON) + if(NOT NPM_PACKAGE_JSON) + message(FATAL_ERROR "parse_package_json: failed to read package.json: ${NPM_PACKAGE_JSON_PATH}") + endif() + + if(NPM_VERSION_VARIABLE) + string(JSON NPM_VERSION ERROR_VARIABLE error GET "${NPM_PACKAGE_JSON}" version) + if(error) + message(FATAL_ERROR "parse_package_json: failed to read 'version': ${error}") + endif() + set(${NPM_VERSION_VARIABLE} ${NPM_VERSION} PARENT_SCOPE) + endif() + + if(NPM_NODE_MODULES_VARIABLE) + set(NPM_NODE_MODULES) + set(NPM_NODE_MODULES_PATH ${NPM_CWD}/node_modules) + set(NPM_NODE_MODULES_PROPERTIES "devDependencies" "dependencies") + + foreach(property ${NPM_NODE_MODULES_PROPERTIES}) + string(JSON NPM_${property} ERROR_VARIABLE error GET "${NPM_PACKAGE_JSON}" "${property}") + if(error MATCHES "not found") + continue() + endif() + if(error) + message(FATAL_ERROR "parse_package_json: failed to read '${property}': ${error}") + endif() + + string(JSON NPM_${property}_LENGTH ERROR_VARIABLE error LENGTH "${NPM_${property}}") + if(error) + message(FATAL_ERROR "parse_package_json: failed to read '${property}' length: ${error}") + endif() + + math(EXPR NPM_${property}_MAX_INDEX "${NPM_${property}_LENGTH} - 1") + foreach(i RANGE 0 ${NPM_${property}_MAX_INDEX}) + string(JSON NPM_${property}_${i} ERROR_VARIABLE error MEMBER "${NPM_${property}}" ${i}) + if(error) + message(FATAL_ERROR "parse_package_json: failed to index '${property}' at ${i}: ${error}") + endif() + list(APPEND NPM_NODE_MODULES ${NPM_NODE_MODULES_PATH}/${NPM_${property}_${i}}/package.json) + endforeach() + endforeach() + + set(${NPM_NODE_MODULES_VARIABLE} ${NPM_NODE_MODULES} PARENT_SCOPE) + endif() +endfunction() + +# register_bun_install() +# Description: +# Registers a command to run `bun install` in a directory. +# Arguments: +# CWD string - The directory to run `bun install` +# NODE_MODULES_VARIABLE string - The variable to set to list of node_modules sources +function(register_bun_install) + set(args CWD NODE_MODULES_VARIABLE) + cmake_parse_arguments(NPM "" "${args}" "" ${ARGN}) + + if(NOT NPM_CWD) + set(NPM_CWD ${CWD}) + endif() + + if(NPM_CWD STREQUAL ${CWD}) + set(NPM_COMMENT "bun install") + else() + set(NPM_COMMENT "bun install --cwd ${NPM_CWD}") + endif() + + parse_package_json( + CWD + ${NPM_CWD} + NODE_MODULES_VARIABLE + NPM_NODE_MODULES + ) + + if(NOT NPM_NODE_MODULES) + message(FATAL_ERROR "register_bun_install: ${NPM_CWD}/package.json does not have dependencies?") + endif() + + register_command( + COMMENT + ${NPM_COMMENT} + CWD + ${NPM_CWD} + COMMAND + ${BUN_EXECUTABLE} + install + --frozen-lockfile + SOURCES + ${NPM_CWD}/package.json + OUTPUTS + ${NPM_NODE_MODULES} + ) + + set(${NPM_NODE_MODULES_VARIABLE} ${NPM_NODE_MODULES} PARENT_SCOPE) +endfunction() + +# register_repository() +# Description: +# Registers a git repository. +# Arguments: +# NAME string - The name of the repository +# REPOSITORY string - The repository to clone +# BRANCH string - The branch to clone +# TAG string - The tag to clone +# COMMIT string - The commit to clone +# PATH string - The path to clone the repository to +# OUTPUTS string - The outputs of the repository +function(register_repository) + set(args NAME REPOSITORY BRANCH TAG COMMIT PATH) + set(multiArgs OUTPUTS) + cmake_parse_arguments(GIT "" "${args}" "${multiArgs}" ${ARGN}) + + if(NOT GIT_REPOSITORY) + message(FATAL_ERROR "git_clone: REPOSITORY is required") + endif() + + if(NOT GIT_BRANCH AND NOT GIT_TAG AND NOT GIT_COMMIT) + message(FATAL_ERROR "git_clone: COMMIT, TAG, or BRANCH is required") + endif() + + if(NOT GIT_PATH) + set(GIT_PATH ${CWD}/src/deps/${GIT_NAME}) + endif() + + if(GIT_COMMIT) + set(GIT_REF ${GIT_COMMIT}) + elseif(GIT_TAG) + set(GIT_REF refs/tags/${GIT_TAG}) + else() + set(GIT_REF refs/heads/${GIT_BRANCH}) + endif() + + set(GIT_EFFECTIVE_OUTPUTS) + foreach(output ${GIT_OUTPUTS}) + list(APPEND GIT_EFFECTIVE_OUTPUTS ${GIT_PATH}/${output}) + endforeach() + + register_command( + TARGET + clone-${GIT_NAME} + COMMENT + "Cloning ${GIT_NAME}" + COMMAND + ${CMAKE_COMMAND} + -DGIT_PATH=${GIT_PATH} + -DGIT_REPOSITORY=${GIT_REPOSITORY} + -DGIT_REF=${GIT_REF} + -DGIT_NAME=${GIT_NAME} + -P ${CWD}/cmake/scripts/GitClone.cmake + OUTPUTS + ${GIT_PATH} + ${GIT_EFFECTIVE_OUTPUTS} + ) +endfunction() + +# register_cmake_command() +# Description: +# Registers a command that builds an external CMake project. +# Arguments: +# TARGET string - The target to register the command with +# ARGS string[] - The arguments to pass to CMake (e.g. -DKEY=VALUE) +# CWD string - The directory where the CMake files are located +# BUILD_PATH string - The path to build the project to +# LIB_PATH string - The path to the libraries +# TARGETS string[] - The targets to build from CMake +# LIBRARIES string[] - The libraries that are built +# INCLUDES string[] - The include paths +function(register_cmake_command) + set(args TARGET CWD BUILD_PATH LIB_PATH) + set(multiArgs ARGS TARGETS LIBRARIES INCLUDES) + # Use "MAKE" instead of "CMAKE" to prevent conflicts with CMake's own CMAKE_* variables + cmake_parse_arguments(MAKE "" "${args}" "${multiArgs}" ${ARGN}) + + if(NOT MAKE_TARGET) + message(FATAL_ERROR "register_cmake_command: TARGET is required") + endif() + + if(TARGET ${MAKE_TARGET}) + message(FATAL_ERROR "register_cmake_command: TARGET is already a target: ${MAKE_TARGET}") + endif() + + if(NOT MAKE_CWD) + set(MAKE_CWD ${CWD}/src/deps/${MAKE_TARGET}) + endif() + + if(NOT MAKE_BUILD_PATH) + set(MAKE_BUILD_PATH ${BUILD_PATH}/${MAKE_TARGET}) + endif() + + if(MAKE_LIB_PATH) + set(MAKE_LIB_PATH ${MAKE_BUILD_PATH}/${MAKE_LIB_PATH}) + else() + set(MAKE_LIB_PATH ${MAKE_BUILD_PATH}) + endif() + + set(MAKE_EFFECTIVE_ARGS -B${MAKE_BUILD_PATH} ${CMAKE_ARGS}) + + set(setFlags GENERATOR BUILD_TYPE) + set(appendFlags C_FLAGS CXX_FLAGS LINKER_FLAGS) + set(specialFlags POSITION_INDEPENDENT_CODE) + set(flags ${setFlags} ${appendFlags} ${specialFlags}) + + foreach(arg ${MAKE_ARGS}) + foreach(flag ${flags}) + if(arg MATCHES "-DCMAKE_${flag}=(.*)") + if(DEFINED MAKE_${flag}) + message(FATAL_ERROR "register_cmake_command: CMAKE_${flag} was already set: \"${MAKE_${flag}}\"") + endif() + set(MAKE_${flag} ${CMAKE_MATCH_1}) + set(${arg}_USED ON) + endif() + endforeach() + if(NOT ${arg}_USED) + list(APPEND MAKE_EFFECTIVE_ARGS ${arg}) + endif() + endforeach() + + foreach(flag ${setFlags}) + if(NOT DEFINED MAKE_${flag} AND DEFINED CMAKE_${flag}) + set(MAKE_${flag} ${CMAKE_${flag}}) + endif() + endforeach() + + foreach(flag ${appendFlags}) + if(MAKE_${flag}) + set(MAKE_${flag} "${CMAKE_${flag}} ${MAKE_${flag}}") + else() + set(MAKE_${flag} ${CMAKE_${flag}}) + endif() + endforeach() + + if(MAKE_POSITION_INDEPENDENT_CODE AND NOT WIN32) + set(MAKE_C_FLAGS "${MAKE_C_FLAGS} -fPIC") + set(MAKE_CXX_FLAGS "${MAKE_CXX_FLAGS} -fPIC") + elseif(APPLE) + set(MAKE_C_FLAGS "${MAKE_C_FLAGS} -fno-pic -fno-pie") + set(MAKE_CXX_FLAGS "${MAKE_CXX_FLAGS} -fno-pic -fno-pie") + endif() + + set(effectiveFlags ${setFlags} ${appendFlags}) + foreach(flag ${effectiveFlags}) + list(APPEND MAKE_EFFECTIVE_ARGS -DCMAKE_${flag}=${MAKE_${flag}}) + endforeach() + + register_command( + COMMENT "Configuring ${MAKE_TARGET}" + TARGET configure-${MAKE_TARGET} + COMMAND ${CMAKE_COMMAND} ${MAKE_EFFECTIVE_ARGS} + CWD ${MAKE_CWD} + OUTPUTS ${MAKE_BUILD_PATH}/CMakeCache.txt + ) + + if(TARGET clone-${MAKE_TARGET}) + add_dependencies(configure-${MAKE_TARGET} clone-${MAKE_TARGET}) + endif() + + set(MAKE_BUILD_ARGS --build ${MAKE_BUILD_PATH} --config ${MAKE_BUILD_TYPE}) + + set(MAKE_EFFECTIVE_LIBRARIES) + set(MAKE_ARTIFACTS) + foreach(lib ${MAKE_LIBRARIES}) + if(lib MATCHES "^(WIN32|UNIX|APPLE)$") + if(${lib}) + continue() + else() + list(POP_BACK MAKE_ARTIFACTS) + endif() + else() + list(APPEND MAKE_EFFECTIVE_LIBRARIES ${lib}) + if(lib MATCHES "\\.") + list(APPEND MAKE_ARTIFACTS ${MAKE_LIB_PATH}/${lib}) + else() + list(APPEND MAKE_ARTIFACTS ${MAKE_LIB_PATH}/${CMAKE_STATIC_LIBRARY_PREFIX}${lib}${CMAKE_STATIC_LIBRARY_SUFFIX}) + endif() + endif() + endforeach() + + if(NOT MAKE_TARGETS) + set(MAKE_TARGETS ${MAKE_EFFECTIVE_LIBRARIES}) + endif() + + foreach(target ${MAKE_TARGETS}) + list(APPEND MAKE_BUILD_ARGS --target ${target}) + endforeach() + + set(MAKE_EFFECTIVE_INCLUDES) + foreach(include ${MAKE_INCLUDES}) + if(include STREQUAL ".") + list(APPEND MAKE_EFFECTIVE_INCLUDES ${MAKE_CWD}) + else() + list(APPEND MAKE_EFFECTIVE_INCLUDES ${MAKE_CWD}/${include}) + endif() + endforeach() + + register_command( + COMMENT "Building ${MAKE_TARGET}" + TARGET ${MAKE_TARGET} + TARGETS configure-${MAKE_TARGET} + COMMAND ${CMAKE_COMMAND} ${MAKE_BUILD_ARGS} + CWD ${MAKE_CWD} + ARTIFACTS ${MAKE_ARTIFACTS} + ) + + if(MAKE_EFFECTIVE_INCLUDES) + target_include_directories(${bun} PRIVATE ${MAKE_EFFECTIVE_INCLUDES}) + if(TARGET clone-${MAKE_TARGET} AND NOT BUN_LINK_ONLY) + add_dependencies(${bun} clone-${MAKE_TARGET}) + endif() + endif() + + # HACK: Workaround for duplicate symbols when linking mimalloc.o + # >| duplicate symbol '_mi_page_queue_append(mi_heap_s*, mi_page_queue_s*, mi_page_queue_s*)' in: + # >| mimalloc/CMakeFiles/mimalloc-obj.dir/src/static.c.o + # >| ld: 287 duplicate symbols for architecture arm64 + if(NOT BUN_LINK_ONLY OR NOT MAKE_ARTIFACTS MATCHES "static.c.o") + target_link_libraries(${bun} PRIVATE ${MAKE_ARTIFACTS}) + endif() + + if(BUN_LINK_ONLY) + target_sources(${bun} PRIVATE ${MAKE_ARTIFACTS}) + endif() +endfunction() diff --git a/cmake/Options.cmake b/cmake/Options.cmake new file mode 100644 index 0000000000..f342bc4e54 --- /dev/null +++ b/cmake/Options.cmake @@ -0,0 +1,220 @@ +include(Macros) + +if(NOT CMAKE_SYSTEM_NAME OR NOT CMAKE_SYSTEM_PROCESSOR) + message(FATAL_ERROR "CMake included this file before project() was called") +endif() + +optionx(BUN_LINK_ONLY BOOL "If only the linking step should be built" DEFAULT OFF) +optionx(BUN_CPP_ONLY BOOL "If only the C++ part of Bun should be built" DEFAULT OFF) + +optionx(CI BOOL "If CI is enabled" DEFAULT OFF) +optionx(BUILDKITE BOOL "If Buildkite is enabled" DEFAULT OFF) +optionx(GITHUB_ACTIONS BOOL "If GitHub Actions is enabled" DEFAULT OFF) + +if(BUILDKITE) + optionx(BUILDKITE_COMMIT STRING "The commit hash") + optionx(BUILDKITE_MESSAGE STRING "The commit message") +endif() + +optionx(CMAKE_BUILD_TYPE "Debug|Release|RelWithDebInfo|MinSizeRel" "The build type to use" REQUIRED) + +if(CMAKE_BUILD_TYPE MATCHES "Release|RelWithDebInfo|MinSizeRel") + setx(RELEASE ON) +else() + setx(RELEASE OFF) +endif() + +if(CMAKE_BUILD_TYPE MATCHES "Debug|RelWithDebInfo") + setx(DEBUG ON) +else() + setx(DEBUG OFF) +endif() + +if(CMAKE_BUILD_TYPE MATCHES "MinSizeRel") + setx(ENABLE_SMOL ON) +endif() + +cmake_host_system_information(RESULT CORE_COUNT QUERY NUMBER_OF_LOGICAL_CORES) + +optionx(CMAKE_BUILD_PARALLEL_LEVEL STRING "The number of parallel build jobs" DEFAULT ${CORE_COUNT}) + +if(APPLE) + setx(OS "darwin") +elseif(WIN32) + setx(OS "windows") +elseif(LINUX) + setx(OS "linux") +else() + message(FATAL_ERROR "Unsupported operating system: ${CMAKE_SYSTEM_NAME}") +endif() + +if(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|arm64|arm") + setx(ARCH "aarch64") +elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|x64|AMD64") + setx(ARCH "x64") +else() + message(FATAL_ERROR "Unsupported architecture: ${CMAKE_SYSTEM_PROCESSOR}") +endif() + +if(ARCH STREQUAL "x64") + optionx(ENABLE_BASELINE BOOL "If baseline features should be used for older CPUs (e.g. disables AVX, AVX2)" DEFAULT OFF) +endif() + +if(ARCH STREQUAL "aarch64") + set(DEFAULT_CPU "native") +elseif(ENABLE_BASELINE) + set(DEFAULT_CPU "nehalem") +else() + set(DEFAULT_CPU "haswell") +endif() + +optionx(CPU STRING "The CPU to use for the compiler" DEFAULT ${DEFAULT_CPU}) + +optionx(ENABLE_LOGS BOOL "If debug logs should be enabled" DEFAULT ${DEBUG}) +optionx(ENABLE_ASSERTIONS BOOL "If debug assertions should be enabled" DEFAULT ${DEBUG}) + +if(BUILDKITE_MESSAGE AND BUILDKITE_MESSAGE MATCHES "\\[release build\\]") + message(STATUS "Switched to release build, since commit message contains: \"[release build]\"") + set(DEFAULT_CANARY OFF) +else() + set(DEFAULT_CANARY ON) +endif() + +optionx(ENABLE_CANARY BOOL "If canary features should be enabled" DEFAULT ${DEFAULT_CANARY}) + +if(ENABLE_CANARY AND BUILDKITE) + execute_process( + COMMAND buildkite-agent meta-data get "canary" + OUTPUT_VARIABLE DEFAULT_CANARY_REVISION + OUTPUT_STRIP_TRAILING_WHITESPACE + ) +elseif(ENABLE_CANARY) + set(DEFAULT_CANARY_REVISION "1") +else() + set(DEFAULT_CANARY_REVISION "0") +endif() + +optionx(CANARY_REVISION STRING "The canary revision of the build" DEFAULT ${DEFAULT_CANARY_REVISION}) + +if(RELEASE AND LINUX) + set(DEFAULT_LTO ON) +else() + set(DEFAULT_LTO OFF) +endif() + +optionx(ENABLE_LTO BOOL "If LTO (link-time optimization) should be used" DEFAULT ${DEFAULT_LTO}) + +if(LINUX) + optionx(ENABLE_VALGRIND BOOL "If Valgrind support should be enabled" DEFAULT OFF) +endif() + +if(USE_VALGRIND AND NOT USE_BASELINE) + message(WARNING "If valgrind is enabled, baseline must also be enabled") + setx(USE_BASELINE ON) +endif() + +if(BUILDKITE_COMMIT) + set(DEFAULT_REVISION ${BUILDKITE_COMMIT}) +else() + execute_process( + COMMAND git rev-parse HEAD + WORKING_DIRECTORY ${CWD} + OUTPUT_VARIABLE DEFAULT_REVISION + OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_QUIET + ) + if(NOT DEFAULT_REVISION) + set(DEFAULT_REVISION "unknown") + endif() +endif() + +optionx(REVISION STRING "The git revision of the build" DEFAULT ${DEFAULT_REVISION}) + +# Used in process.version, process.versions.node, napi, and elsewhere +optionx(NODEJS_VERSION STRING "The version of Node.js to report" DEFAULT "22.6.0") + +# Used in process.versions.modules and compared while loading V8 modules +optionx(NODEJS_ABI_VERSION STRING "The ABI version of Node.js to report" DEFAULT "127") + +if(APPLE) + set(DEFAULT_STATIC_SQLITE OFF) +else() + set(DEFAULT_STATIC_SQLITE ON) +endif() + +optionx(USE_STATIC_SQLITE BOOL "If SQLite should be statically linked" DEFAULT ${DEFAULT_STATIC_SQLITE}) + +set(DEFAULT_STATIC_LIBATOMIC ON) + +if(CMAKE_HOST_LINUX AND NOT WIN32 AND NOT APPLE) + execute_process( + COMMAND grep -w "NAME" /etc/os-release + OUTPUT_VARIABLE LINUX_DISTRO + OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_QUIET + ) + if(LINUX_DISTRO MATCHES "NAME=\"(Arch|Manjaro|Artix) Linux\"|NAME=\"openSUSE Tumbleweed\"") + set(DEFAULT_STATIC_LIBATOMIC OFF) + endif() +endif() + +optionx(USE_STATIC_LIBATOMIC BOOL "If libatomic should be statically linked" DEFAULT ${DEFAULT_STATIC_LIBATOMIC}) + +if(APPLE) + set(DEFAULT_WEBKIT_ICU OFF) +else() + set(DEFAULT_WEBKIT_ICU ON) +endif() + +optionx(USE_WEBKIT_ICU BOOL "Use the ICU libraries from WebKit" DEFAULT ${DEFAULT_WEBKIT_ICU}) + +optionx(ERROR_LIMIT STRING "Maximum number of errors to show when compiling C++ code" DEFAULT "100") + +# Set the CMAKE_C_FLAGS and CMAKE_CXX_FLAGS for building dependencies. +# This is a mess, since it doesn't use the CMake add_compile_options or target_compile_options commands. +# In the future, make some macros so we can set this automatically. +# e.g. +# add_c_flags(-mtune=native) - applies to all dependencies +# add_c_flags({target} -fno-rtti) - applies to a specific target + +if(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|arm64|arm|ARM64") + if(APPLE) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mcpu=apple-m1") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcpu=apple-m1") + else() + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=armv8-a+crc -mtune=ampere1") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=armv8-a+crc -mtune=ampere1") + endif() +else() + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mtune=${CPU}") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mtune=${CPU}") +endif() + +list(APPEND CMAKE_ARGS -DCMAKE_EXPORT_COMPILE_COMMANDS=ON) + +if(WIN32) + list(APPEND CMAKE_ARGS -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Z7 /MT /Ob2 /DNDEBUG /U_DLL") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Z7 /MT /Ob2 /DNDEBUG /U_DLL -Xclang -fno-c++-static-destructors") + if(ENABLE_LTO) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fuse-ld=lld -flto -Xclang -emit-llvm-bc") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fuse-ld=lld -flto -Xclang -emit-llvm-bc") + endif() +else() + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-exceptions -fvisibility=hidden -fvisibility-inlines-hidden -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-asynchronous-unwind-tables -fno-unwind-tables") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions -fno-rtti -fvisibility=hidden -fvisibility-inlines-hidden -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-asynchronous-unwind-tables -fno-unwind-tables -fno-c++-static-destructors") + if(ENABLE_LTO) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -flto=full") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flto=full -fwhole-program-vtables -fforce-emit-vtables") + set(CMAKE_LINKER_FLAGS "${CMAKE_LINKER_FLAGS} -flto=full -fwhole-program-vtables -fforce-emit-vtables") + endif() + if(LINUX) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ffunction-sections -fdata-sections -faddrsig") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffunction-sections -fdata-sections -faddrsig") + set(CMAKE_LINKER_FLAGS "${CMAKE_LINKER_FLAGS} -Wl,-z,norelro") + endif() + if(APPLE) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_LIBCXX_ENABLE_ASSERTIONS=0 -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE") + endif() +endif() + diff --git a/cmake/Policies.cmake b/cmake/Policies.cmake new file mode 100644 index 0000000000..d55a4ae021 --- /dev/null +++ b/cmake/Policies.cmake @@ -0,0 +1,11 @@ +# Let the MSVC runtime be set using CMAKE_MSVC_RUNTIME_LIBRARY, instead of automatically. +# Since CMake 3.15. +cmake_policy(SET CMP0091 NEW) + +# If INTERPROCEDURAL_OPTIMIZATION is enabled and not supported by the compiler, throw an error. +# Since CMake 3.9. +cmake_policy(SET CMP0069 NEW) + +# Use CMAKE_{C,CXX}_STANDARD when evaluating try_compile(). +# Since CMake 3.8. +cmake_policy(SET CMP0067 NEW) diff --git a/cmake/analysis/RunClangTidy.cmake b/cmake/analysis/RunClangTidy.cmake new file mode 100644 index 0000000000..09c1111766 --- /dev/null +++ b/cmake/analysis/RunClangTidy.cmake @@ -0,0 +1,58 @@ +# https://clang.llvm.org/extra/clang-tidy/ + +include(Macros) + +find_command( + VARIABLE + CLANG_TIDY_PROGRAM + COMMAND + clang-tidy + VERSION + ${LLVM_VERSION} + REQUIRED + OFF +) + +set(CLANG_TIDY_COMMAND ${CLANG_TIDY_PROGRAM} ${BUN_CPP_SOURCES} + -p ${BUILD_PATH} + --config-file=${CWD}/.clang-tidy + --fix + --fix-errors + --fix-notes +) + +if(CMAKE_COLOR_DIAGNOSTICS) + list(APPEND CLANG_TIDY_COMMAND --use-color) +endif() + +# Extra clang-tidy checks that are normally disabled due to noise. +# e.g. JavaScriptCore/Lookup.h +set(CLANG_TIDY_EXTRA_COMMAND ${CLANG_TIDY_PROGRAM} + --checks=performance-* +) + +register_command( + TARGET + clang-tidy + COMMENT + "Running clang-tidy" + COMMAND + ${CLANG_TIDY_COMMAND} + CWD + ${BUILD_PATH} + TARGETS + ${bun} +) + +register_command( + TARGET + clang-tidy-extra + COMMENT + "Running clang-tidy with extra checks" + COMMAND + ${CLANG_TIDY_EXTRA_COMMAND} + CWD + ${BUILD_PATH} + TARGETS + ${bun} +) diff --git a/cmake/analysis/RunCppCheck.cmake b/cmake/analysis/RunCppCheck.cmake new file mode 100644 index 0000000000..f8131f98c2 --- /dev/null +++ b/cmake/analysis/RunCppCheck.cmake @@ -0,0 +1,35 @@ +# https://cppcheck.sourceforge.io/ + +include(Macros) + +find_command( + VARIABLE + CPPCHECK_EXECUTABLE + COMMAND + cppcheck + REQUIRED + OFF +) + +set(CPPCHECK_COMMAND ${CPPCHECK_EXECUTABLE} + --cppcheck-build-dir=${BUILD_PATH}/cppcheck + --project=${BUILD_PATH}/compile_commands.json + --clang=${CMAKE_CXX_COMPILER} + --std=c++${CMAKE_CXX_STANDARD} + --report-progress + --showtime=summary +) + +register_command( + TARGET + cppcheck + COMMENT + "Running cppcheck" + COMMAND + ${CMAKE_COMMAND} -E make_directory cppcheck + && ${CPPCHECK_COMMAND} + CWD + ${BUILD_PATH} + TARGETS + ${bun} +) diff --git a/cmake/analysis/RunCppLint.cmake b/cmake/analysis/RunCppLint.cmake new file mode 100644 index 0000000000..7d9d6b1e00 --- /dev/null +++ b/cmake/analysis/RunCppLint.cmake @@ -0,0 +1,24 @@ +include(Macros) + +find_command( + VARIABLE + CPPLINT_PROGRAM + COMMAND + cpplint + REQUIRED + OFF +) + +register_command( + TARGET + cpplint + COMMENT + "Running cpplint" + COMMAND + ${CPPLINT_PROGRAM} + ${BUN_CPP_SOURCES} + CWD + ${BUILD_PATH} + TARGETS + ${bun} +) diff --git a/cmake/analysis/RunIWYU.cmake b/cmake/analysis/RunIWYU.cmake new file mode 100644 index 0000000000..832902576b --- /dev/null +++ b/cmake/analysis/RunIWYU.cmake @@ -0,0 +1,69 @@ +# IWYU = "Include What You Use" +# https://include-what-you-use.org/ + +include(Macros) + +setx(IWYU_SOURCE_PATH ${CACHE_PATH}/iwyu-${LLVM_VERSION_MAJOR}) +setx(IWYU_BUILD_PATH ${IWYU_SOURCE_PATH}/build) +setx(IWYU_PROGRAM ${IWYU_BUILD_PATH}/bin/include-what-you-use) + +register_repository( + NAME + iwyu + REPOSITORY + include-what-you-use/include-what-you-use + BRANCH + clang_${LLVM_VERSION_MAJOR} + PATH + ${IWYU_SOURCE_PATH} +) + +register_command( + TARGET + build-iwyu + COMMENT + "Building iwyu" + COMMAND + ${CMAKE_COMMAND} + -B${IWYU_BUILD_PATH} + -G${CMAKE_GENERATOR} + -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} + -DCMAKE_CXX_COMPILER_LAUNCHER=${CMAKE_CXX_COMPILER_LAUNCHER} + -DIWYU_LLVM_ROOT_PATH=${LLVM_PREFIX} + && ${CMAKE_COMMAND} + --build ${IWYU_BUILD_PATH} + CWD + ${IWYU_SOURCE_PATH} + TARGETS + clone-iwyu +) + +find_command( + VARIABLE + PYTHON_EXECUTABLE + COMMAND + python3 + python + VERSION + >=3.0.0 + REQUIRED + OFF +) + +register_command( + TARGET + iwyu + COMMENT + "Running iwyu" + COMMAND + ${CMAKE_COMMAND} + -E env IWYU_BINARY=${IWYU_PROGRAM} + ${PYTHON_EXECUTABLE} + ${IWYU_SOURCE_PATH}/iwyu_tool.py + -p ${BUILD_PATH} + CWD + ${BUILD_PATH} + TARGETS + build-iwyu + ${bun} +) diff --git a/cmake/scripts/GitClone.cmake b/cmake/scripts/GitClone.cmake new file mode 100644 index 0000000000..a46bf068f0 --- /dev/null +++ b/cmake/scripts/GitClone.cmake @@ -0,0 +1,73 @@ +include(cmake/Macros.cmake) + +if(NOT GIT_PATH OR NOT GIT_REPOSITORY OR NOT GIT_REF) + message(FATAL_ERROR "git_clone: GIT_PATH, GIT_REPOSITORY, and GIT_REF are required") +endif() + +setx(GIT_PATH ${GIT_PATH}) +setx(GIT_REPOSITORY ${GIT_REPOSITORY}) +setx(GIT_REF ${GIT_REF}) + +string(REGEX MATCH "([^/]+)$" GIT_ORIGINAL_NAME ${GIT_REPOSITORY}) + +if(NOT GIT_NAME) + setx(GIT_NAME ${GIT_ORIGINAL_NAME}) +endif() + +set(GIT_REF_PATH ${GIT_PATH}/.ref) + +if(EXISTS ${GIT_REF_PATH}) + file(READ ${GIT_REF_PATH} GIT_CACHED_REF) + if(GIT_CACHED_REF STREQUAL GIT_REF) + return() + endif() +endif() + +setx(GIT_DOWNLOAD_PATH ${GIT_PATH}.tar.gz) +setx(GIT_DOWNLOAD_URL https://github.com/${GIT_REPOSITORY}/archive/${GIT_REF}.tar.gz) + +foreach(i RANGE 10) + set(GIT_DOWNLOAD_TMP_PATH ${GIT_PATH}.tmp.${i}) + file(DOWNLOAD + ${GIT_DOWNLOAD_URL} + ${GIT_DOWNLOAD_TMP_PATH} + TIMEOUT 120 + STATUS GIT_DOWNLOAD_STATUS + ) + if(GIT_DOWNLOAD_STATUS MATCHES "^0") + file(RENAME ${GIT_DOWNLOAD_TMP_PATH} ${GIT_DOWNLOAD_PATH}) + break() + endif() + message(WARNING "git_clone: ${GIT_DOWNLOAD_STATUS}: ${GIT_DOWNLOAD_URL}") + file(REMOVE ${GIT_DOWNLOAD_TMP_PATH}) +endforeach() + +if(NOT EXISTS ${GIT_DOWNLOAD_PATH}) + message(FATAL_ERROR "git_clone: failed to download ${GIT_DOWNLOAD_URL}") +endif() + +file(REMOVE_RECURSE ${GIT_PATH}) +get_filename_component(GIT_PARENT_PATH ${GIT_PATH} DIRECTORY) +file(ARCHIVE_EXTRACT INPUT ${GIT_DOWNLOAD_PATH} DESTINATION ${GIT_PARENT_PATH}/tmp-${GIT_ORIGINAL_NAME} TOUCH) +file(GLOB GIT_TMP_PATH LIST_DIRECTORIES ON ${GIT_PARENT_PATH}/tmp-${GIT_ORIGINAL_NAME}/${GIT_ORIGINAL_NAME}-*) +file(RENAME ${GIT_TMP_PATH} ${GIT_PATH}) +file(REMOVE_RECURSE ${GIT_PARENT_PATH}/tmp-${GIT_ORIGINAL_NAME}) +file(REMOVE ${GIT_DOWNLOAD_PATH}) + +file(GLOB_RECURSE GIT_PATCH_PATHS ${CMAKE_SOURCE_DIR}/patches/${GIT_NAME}/*) +foreach(GIT_PATCH_PATH ${GIT_PATCH_PATHS}) + if(GIT_PATCH_PATH MATCHES "\\.patch$") + execute_process( + COMMAND git apply --ignore-whitespace --ignore-space-change --no-index --verbose ${GIT_PATCH_PATH} + WORKING_DIRECTORY ${GIT_PATH} + RESULT_VARIABLE GIT_PATCH_RESULT + ) + if(NOT GIT_PATCH_RESULT EQUAL 0) + message(FATAL_ERROR "git_clone: failed to apply patch: ${GIT_PATCH_PATH}") + endif() + else() + file(COPY ${GIT_PATCH_PATH} DESTINATION ${GIT_PATH}) + endif() +endforeach() + +file(WRITE ${GIT_REF_PATH} ${GIT_REF}) diff --git a/cmake/targets/BuildBoringSSL.cmake b/cmake/targets/BuildBoringSSL.cmake new file mode 100644 index 0000000000..e3aea90a4b --- /dev/null +++ b/cmake/targets/BuildBoringSSL.cmake @@ -0,0 +1,23 @@ +include(Macros) + +register_repository( + NAME + boringssl + REPOSITORY + oven-sh/boringssl + COMMIT + 29a2cd359458c9384694b75456026e4b57e3e567 +) + +register_cmake_command( + TARGET + boringssl + LIBRARIES + crypto + ssl + decrepit + ARGS + -DBUILD_SHARED_LIBS=OFF + INCLUDES + include +) diff --git a/cmake/targets/BuildBrotli.cmake b/cmake/targets/BuildBrotli.cmake new file mode 100644 index 0000000000..9a2302ead3 --- /dev/null +++ b/cmake/targets/BuildBrotli.cmake @@ -0,0 +1,26 @@ +include(Macros) + +register_repository( + NAME + brotli + REPOSITORY + google/brotli + TAG + v1.1.0 +) + +register_cmake_command( + TARGET + brotli + LIBRARIES + brotlicommon + brotlidec + brotlienc + ARGS + -DBUILD_SHARED_LIBS=OFF + -DBROTLI_BUILD_TOOLS=OFF + -DBROTLI_EMSCRIPTEN=OFF + -DBROTLI_DISABLE_TESTS=ON + INCLUDES + c/include +) diff --git a/cmake/targets/BuildBun.cmake b/cmake/targets/BuildBun.cmake new file mode 100644 index 0000000000..4e0f2d2550 --- /dev/null +++ b/cmake/targets/BuildBun.cmake @@ -0,0 +1,1097 @@ +include(Macros) + +if(DEBUG) + set(bun bun-debug) +elseif(ENABLE_SMOL) + set(bun bun-smol-profile) + set(bunStrip bun-smol) +elseif(ENABLE_VALGRIND) + set(bun bun-valgrind) +elseif(ENABLE_ASSERTIONS) + set(bun bun-assertions) +else() + set(bun bun-profile) + set(bunStrip bun) +endif() + +set(bunExe ${bun}${CMAKE_EXECUTABLE_SUFFIX}) + +if(bunStrip) + set(bunStripExe ${bunStrip}${CMAKE_EXECUTABLE_SUFFIX}) + set(buns ${bun} ${bunStrip}) +else() + set(buns ${bun}) +endif() + +# Some commands use this path, and some do not. +# In the future, change those commands so that generated files are written to this path. +optionx(CODEGEN_PATH FILEPATH "Path to the codegen directory" DEFAULT ${BUILD_PATH}/codegen) + +if(NOT CONFIGURE_DEPENDS) + set(CONFIGURE_DEPENDS "") +else() + set(CONFIGURE_DEPENDS "CONFIGURE_DEPENDS") +endif() + +# --- Codegen --- + +set(BUN_ZIG_IDENTIFIER_SOURCE ${CWD}/src/js_lexer) +set(BUN_ZIG_IDENTIFIER_SCRIPT ${BUN_ZIG_IDENTIFIER_SOURCE}/identifier_data.zig) + +file(GLOB BUN_ZIG_IDENTIFIER_SOURCES ${CONFIGURE_DEPENDS} + ${BUN_ZIG_IDENTIFIER_SCRIPT} + ${BUN_ZIG_IDENTIFIER_SOURCE}/*.zig +) + +set(BUN_ZIG_IDENTIFIER_OUTPUTS + ${BUN_ZIG_IDENTIFIER_SOURCE}/id_continue_bitset.blob + ${BUN_ZIG_IDENTIFIER_SOURCE}/id_continue_bitset.meta.blob + ${BUN_ZIG_IDENTIFIER_SOURCE}/id_start_bitset.blob + ${BUN_ZIG_IDENTIFIER_SOURCE}/id_start_bitset.meta.blob +) + +register_command( + TARGET + bun-identifier-data + COMMENT + "Generating src/js_lexer/*.blob" + COMMAND + ${CMAKE_ZIG_COMPILER} + run + ${CMAKE_ZIG_FLAGS} + ${BUN_ZIG_IDENTIFIER_SCRIPT} + SOURCES + ${BUN_ZIG_IDENTIFIER_SOURCES} + OUTPUTS + ${BUN_ZIG_IDENTIFIER_OUTPUTS} + TARGETS + clone-zig +) + +set(BUN_ERROR_SOURCE ${CWD}/packages/bun-error) + +file(GLOB BUN_ERROR_SOURCES ${CONFIGURE_DEPENDS} + ${BUN_ERROR_SOURCE}/*.json + ${BUN_ERROR_SOURCE}/*.ts + ${BUN_ERROR_SOURCE}/*.tsx + ${BUN_ERROR_SOURCE}/*.css + ${BUN_ERROR_SOURCE}/img/* +) + +set(BUN_ERROR_OUTPUT ${BUN_ERROR_SOURCE}/dist) +set(BUN_ERROR_OUTPUTS + ${BUN_ERROR_OUTPUT}/index.js + ${BUN_ERROR_OUTPUT}/bun-error.css +) + +register_bun_install( + CWD + ${BUN_ERROR_SOURCE} + NODE_MODULES_VARIABLE + BUN_ERROR_NODE_MODULES +) + +register_command( + TARGET + bun-error + COMMENT + "Building bun-error" + CWD + ${BUN_ERROR_SOURCE} + COMMAND + ${ESBUILD_EXECUTABLE} ${ESBUILD_ARGS} + index.tsx + bun-error.css + --outdir=${BUN_ERROR_OUTPUT} + --define:process.env.NODE_ENV=\"'production'\" + --minify + --bundle + --platform=browser + --format=esm + SOURCES + ${BUN_ERROR_SOURCES} + ${BUN_ERROR_NODE_MODULES} + OUTPUTS + ${BUN_ERROR_OUTPUTS} +) + +set(BUN_FALLBACK_DECODER_SOURCE ${CWD}/src/fallback.ts) +set(BUN_FALLBACK_DECODER_OUTPUT ${CWD}/src/fallback.out.js) + +register_command( + TARGET + bun-fallback-decoder + COMMENT + "Building src/fallback.out.js" + COMMAND + ${ESBUILD_EXECUTABLE} ${ESBUILD_ARGS} + ${BUN_FALLBACK_DECODER_SOURCE} + --outfile=${BUN_FALLBACK_DECODER_OUTPUT} + --target=esnext + --bundle + --format=iife + --platform=browser + --minify + SOURCES + ${BUN_FALLBACK_DECODER_SOURCE} + OUTPUTS + ${BUN_FALLBACK_DECODER_OUTPUT} +) + +set(BUN_RUNTIME_JS_SOURCE ${CWD}/src/runtime.bun.js) +set(BUN_RUNTIME_JS_OUTPUT ${CWD}/src/runtime.out.js) + +register_command( + TARGET + bun-runtime-js + COMMENT + "Building src/runtime.out.js" + COMMAND + ${ESBUILD_EXECUTABLE} ${ESBUILD_ARGS} + ${BUN_RUNTIME_JS_SOURCE} + --outfile=${BUN_RUNTIME_JS_OUTPUT} + --define:process.env.NODE_ENV=\"'production'\" + --target=esnext + --bundle + --format=esm + --platform=node + --minify + --external:/bun:* + SOURCES + ${BUN_RUNTIME_JS_SOURCE} + OUTPUTS + ${BUN_RUNTIME_JS_OUTPUT} +) + +set(BUN_NODE_FALLBACKS_SOURCE ${CWD}/src/node-fallbacks) + +file(GLOB BUN_NODE_FALLBACKS_SOURCES ${CONFIGURE_DEPENDS} + ${BUN_NODE_FALLBACKS_SOURCE}/*.js +) + +set(BUN_NODE_FALLBACKS_OUTPUT ${BUN_NODE_FALLBACKS_SOURCE}/out) +set(BUN_NODE_FALLBACKS_OUTPUTS) +foreach(source ${BUN_NODE_FALLBACKS_SOURCES}) + get_filename_component(filename ${source} NAME) + list(APPEND BUN_NODE_FALLBACKS_OUTPUTS ${BUN_NODE_FALLBACKS_OUTPUT}/${filename}) +endforeach() + +register_bun_install( + CWD + ${BUN_NODE_FALLBACKS_SOURCE} + NODE_MODULES_VARIABLE + BUN_NODE_FALLBACKS_NODE_MODULES +) + +# This command relies on an older version of `esbuild`, which is why +# it uses ${BUN_EXECUTABLE} x instead of ${ESBUILD_EXECUTABLE}. +register_command( + TARGET + bun-node-fallbacks + COMMENT + "Building src/node-fallbacks/*.js" + CWD + ${BUN_NODE_FALLBACKS_SOURCE} + COMMAND + ${BUN_EXECUTABLE} x + esbuild ${ESBUILD_ARGS} + ${BUN_NODE_FALLBACKS_SOURCES} + --outdir=${BUN_NODE_FALLBACKS_OUTPUT} + --format=esm + --minify + --bundle + --platform=browser + SOURCES + ${BUN_NODE_FALLBACKS_SOURCES} + ${BUN_NODE_FALLBACKS_NODE_MODULES} + OUTPUTS + ${BUN_NODE_FALLBACKS_OUTPUTS} +) + +set(BUN_ERROR_CODE_SCRIPT ${CWD}/src/codegen/generate-node-errors.ts) + +set(BUN_ERROR_CODE_SOURCES + ${BUN_ERROR_CODE_SCRIPT} + ${CWD}/src/bun.js/bindings/ErrorCode.ts + ${CWD}/src/bun.js/bindings/ErrorCode.cpp + ${CWD}/src/bun.js/bindings/ErrorCode.h +) + +set(BUN_ERROR_CODE_OUTPUTS + ${CODEGEN_PATH}/ErrorCode+List.h + ${CODEGEN_PATH}/ErrorCode+Data.h + ${CODEGEN_PATH}/ErrorCode.zig +) + +register_command( + TARGET + bun-error-code + COMMENT + "Generating ErrorCode.{zig,h}" + COMMAND + ${BUN_EXECUTABLE} + run + ${BUN_ERROR_CODE_SCRIPT} + ${CODEGEN_PATH} + SOURCES + ${BUN_ERROR_CODE_SOURCES} + OUTPUTS + ${BUN_ERROR_CODE_OUTPUTS} +) + +set(BUN_ZIG_GENERATED_CLASSES_SCRIPT ${CWD}/src/codegen/generate-classes.ts) + +file(GLOB BUN_ZIG_GENERATED_CLASSES_SOURCES ${CONFIGURE_DEPENDS} + ${CWD}/src/bun.js/*.classes.ts + ${CWD}/src/bun.js/api/*.classes.ts + ${CWD}/src/bun.js/node/*.classes.ts + ${CWD}/src/bun.js/test/*.classes.ts + ${CWD}/src/bun.js/webcore/*.classes.ts +) + +set(BUN_ZIG_GENERATED_CLASSES_OUTPUTS + ${CODEGEN_PATH}/ZigGeneratedClasses.h + ${CODEGEN_PATH}/ZigGeneratedClasses.cpp + ${CODEGEN_PATH}/ZigGeneratedClasses+lazyStructureHeader.h + ${CODEGEN_PATH}/ZigGeneratedClasses+DOMClientIsoSubspaces.h + ${CODEGEN_PATH}/ZigGeneratedClasses+DOMIsoSubspaces.h + ${CODEGEN_PATH}/ZigGeneratedClasses+lazyStructureImpl.h + ${CODEGEN_PATH}/ZigGeneratedClasses.zig +) + +register_command( + TARGET + bun-zig-generated-classes + COMMENT + "Generating ZigGeneratedClasses.{zig,cpp,h}" + COMMAND + ${BUN_EXECUTABLE} + run + ${BUN_ZIG_GENERATED_CLASSES_SCRIPT} + ${BUN_ZIG_GENERATED_CLASSES_SOURCES} + ${CODEGEN_PATH} + SOURCES + ${BUN_ZIG_GENERATED_CLASSES_SCRIPT} + ${BUN_ZIG_GENERATED_CLASSES_SOURCES} + OUTPUTS + ${BUN_ZIG_GENERATED_CLASSES_OUTPUTS} +) + +set(BUN_JAVASCRIPT_CODEGEN_SCRIPT ${CWD}/src/codegen/bundle-modules.ts) + +file(GLOB_RECURSE BUN_JAVASCRIPT_SOURCES ${CONFIGURE_DEPENDS} + ${CWD}/src/js/*.js + ${CWD}/src/js/*.ts +) + +file(GLOB BUN_JAVASCRIPT_CODEGEN_SOURCES ${CONFIGURE_DEPENDS} + ${CWD}/src/codegen/*.ts +) + +list(APPEND BUN_JAVASCRIPT_CODEGEN_SOURCES + ${CWD}/src/bun.js/bindings/InternalModuleRegistry.cpp +) + +set(BUN_JAVASCRIPT_OUTPUTS + ${CODEGEN_PATH}/WebCoreJSBuiltins.cpp + ${CODEGEN_PATH}/WebCoreJSBuiltins.h + ${CODEGEN_PATH}/InternalModuleRegistryConstants.h + ${CODEGEN_PATH}/InternalModuleRegistry+createInternalModuleById.h + ${CODEGEN_PATH}/InternalModuleRegistry+enum.h + ${CODEGEN_PATH}/InternalModuleRegistry+numberOfModules.h + ${CODEGEN_PATH}/NativeModuleImpl.h + ${CODEGEN_PATH}/ResolvedSourceTag.zig + ${CODEGEN_PATH}/SyntheticModuleType.h + ${CODEGEN_PATH}/GeneratedJS2Native.h + # Zig will complain if files are outside of the source directory + ${CWD}/src/bun.js/bindings/GeneratedJS2Native.zig +) + +register_command( + TARGET + bun-js-modules + COMMENT + "Generating JavaScript modules" + COMMAND + ${BUN_EXECUTABLE} + run + ${BUN_JAVASCRIPT_CODEGEN_SCRIPT} + --debug=${DEBUG} + ${BUILD_PATH} + SOURCES + ${BUN_JAVASCRIPT_SOURCES} + ${BUN_JAVASCRIPT_CODEGEN_SOURCES} + ${BUN_JAVASCRIPT_CODEGEN_SCRIPT} + OUTPUTS + ${BUN_JAVASCRIPT_OUTPUTS} +) + +set(BUN_JS_SINK_SCRIPT ${CWD}/src/codegen/generate-jssink.ts) + +set(BUN_JS_SINK_SOURCES + ${BUN_JS_SINK_SCRIPT} + ${CWD}/src/codegen/create-hash-table.ts +) + +set(BUN_JS_SINK_OUTPUTS + ${CODEGEN_PATH}/JSSink.cpp + ${CODEGEN_PATH}/JSSink.h + ${CODEGEN_PATH}/JSSink.lut.h +) + +register_command( + TARGET + bun-js-sink + COMMENT + "Generating JSSink.{cpp,h}" + COMMAND + ${BUN_EXECUTABLE} + run + ${BUN_JS_SINK_SCRIPT} + ${CODEGEN_PATH} + SOURCES + ${BUN_JS_SINK_SOURCES} + OUTPUTS + ${BUN_JS_SINK_OUTPUTS} +) + +set(BUN_OBJECT_LUT_SCRIPT ${CWD}/src/codegen/create-hash-table.ts) + +set(BUN_OBJECT_LUT_SOURCES + ${CWD}/src/bun.js/bindings/BunObject.cpp + ${CWD}/src/bun.js/bindings/ZigGlobalObject.lut.txt + ${CWD}/src/bun.js/bindings/JSBuffer.cpp + ${CWD}/src/bun.js/bindings/BunProcess.cpp + ${CWD}/src/bun.js/bindings/ProcessBindingConstants.cpp + ${CWD}/src/bun.js/bindings/ProcessBindingNatives.cpp +) + +set(BUN_OBJECT_LUT_OUTPUTS + ${CODEGEN_PATH}/BunObject.lut.h + ${CODEGEN_PATH}/ZigGlobalObject.lut.h + ${CODEGEN_PATH}/JSBuffer.lut.h + ${CODEGEN_PATH}/BunProcess.lut.h + ${CODEGEN_PATH}/ProcessBindingConstants.lut.h + ${CODEGEN_PATH}/ProcessBindingNatives.lut.h +) + +macro(WEBKIT_ADD_SOURCE_DEPENDENCIES _source _deps) + set(_tmp) + get_source_file_property(_tmp ${_source} OBJECT_DEPENDS) + + if(NOT _tmp) + set(_tmp "") + endif() + + foreach(f ${_deps}) + list(APPEND _tmp "${f}") + endforeach() + + set_source_files_properties(${_source} PROPERTIES OBJECT_DEPENDS "${_tmp}") + unset(_tmp) +endmacro() + +list(LENGTH BUN_OBJECT_LUT_SOURCES BUN_OBJECT_LUT_SOURCES_COUNT) +math(EXPR BUN_OBJECT_LUT_SOURCES_MAX_INDEX "${BUN_OBJECT_LUT_SOURCES_COUNT} - 1") + +foreach(i RANGE 0 ${BUN_OBJECT_LUT_SOURCES_MAX_INDEX}) + list(GET BUN_OBJECT_LUT_SOURCES ${i} BUN_OBJECT_LUT_SOURCE) + list(GET BUN_OBJECT_LUT_OUTPUTS ${i} BUN_OBJECT_LUT_OUTPUT) + + get_filename_component(filename ${BUN_OBJECT_LUT_SOURCE} NAME_WE) + register_command( + TARGET + bun-codegen-lut-${filename} + COMMENT + "Generating ${filename}.lut.h" + COMMAND + ${BUN_EXECUTABLE} + run + ${BUN_OBJECT_LUT_SCRIPT} + ${BUN_OBJECT_LUT_SOURCE} + ${BUN_OBJECT_LUT_OUTPUT} + SOURCES + ${BUN_OBJECT_LUT_SCRIPT} + ${BUN_OBJECT_LUT_SOURCE} + OUTPUTS + ${BUN_OBJECT_LUT_OUTPUT} + ) + + WEBKIT_ADD_SOURCE_DEPENDENCIES(${BUN_OBJECT_LUT_SOURCE} ${BUN_OBJECT_LUT_OUTPUT}) +endforeach() + +WEBKIT_ADD_SOURCE_DEPENDENCIES( + ${CWD}/src/bun.js/bindings/ErrorCode.cpp + ${CODEGEN_PATH}/ErrorCode+List.h +) + +WEBKIT_ADD_SOURCE_DEPENDENCIES( + ${CWD}/src/bun.js/bindings/ErrorCode.h + ${CODEGEN_PATH}/ErrorCode+Data.h +) + +WEBKIT_ADD_SOURCE_DEPENDENCIES( + ${CWD}/src/bun.js/bindings/ZigGlobalObject.cpp + ${CODEGEN_PATH}/ZigGlobalObject.lut.h +) + +WEBKIT_ADD_SOURCE_DEPENDENCIES( + ${CWD}/src/bun.js/bindings/InternalModuleRegistry.cpp + ${CODEGEN_PATH}/InternalModuleRegistryConstants.h +) + +# --- Zig --- + +file(GLOB_RECURSE BUN_ZIG_SOURCES ${CONFIGURE_DEPENDS} + ${CWD}/*.zig + ${CWD}/src/*.zig +) + +list(APPEND BUN_ZIG_SOURCES + ${BUN_ZIG_IDENTIFIER_OUTPUTS} + ${BUN_ERROR_OUTPUTS} + ${BUN_FALLBACK_DECODER_OUTPUT} + ${BUN_RUNTIME_JS_OUTPUT} + ${BUN_NODE_FALLBACKS_OUTPUTS} + ${BUN_ERROR_CODE_OUTPUTS} + ${BUN_ZIG_GENERATED_CLASSES_OUTPUTS} + ${BUN_JAVASCRIPT_OUTPUTS} +) + +set(BUN_ZIG_OUTPUT ${BUILD_PATH}/bun-zig.o) + +register_command( + TARGET + bun-zig + GROUP + console + COMMENT + "Building src/*.zig for ${ZIG_TARGET}" + COMMAND + ${CMAKE_ZIG_COMPILER} + build obj + ${CMAKE_ZIG_FLAGS} + --prefix ${BUILD_PATH} + -Dobj_format=${ZIG_OBJECT_FORMAT} + -Dtarget=${ZIG_TARGET} + -Doptimize=${ZIG_OPTIMIZE} + -Dcpu=${CPU} + -Denable_logs=$,true,false> + -Dversion=${VERSION} + -Dsha=${REVISION} + -Dreported_nodejs_version=${NODEJS_VERSION} + -Dcanary=${CANARY_REVISION} + -Dgenerated-code=${CODEGEN_PATH} + ARTIFACTS + ${BUN_ZIG_OUTPUT} + SOURCES + ${BUN_ZIG_SOURCES} + TARGETS + clone-zig +) + +set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "build.zig") + +# --- C/C++ Sources --- + +set(BUN_DEPS_SOURCE ${CWD}/src/deps) +set(BUN_USOCKETS_SOURCE ${CWD}/packages/bun-usockets) + +file(GLOB BUN_CXX_SOURCES ${CONFIGURE_DEPENDS} + ${CWD}/src/io/*.cpp + ${CWD}/src/bun.js/modules/*.cpp + ${CWD}/src/bun.js/bindings/*.cpp + ${CWD}/src/bun.js/bindings/webcore/*.cpp + ${CWD}/src/bun.js/bindings/sqlite/*.cpp + ${CWD}/src/bun.js/bindings/webcrypto/*.cpp + ${CWD}/src/bun.js/bindings/webcrypto/*/*.cpp + ${CWD}/src/bun.js/bindings/v8/*.cpp + ${BUN_USOCKETS_SOURCE}/src/crypto/*.cpp + ${BUN_DEPS_SOURCE}/*.cpp +) + +file(GLOB BUN_C_SOURCES ${CONFIGURE_DEPENDS} + ${BUN_USOCKETS_SOURCE}/src/*.c + ${BUN_USOCKETS_SOURCE}/src/eventing/*.c + ${BUN_USOCKETS_SOURCE}/src/internal/*.c + ${BUN_USOCKETS_SOURCE}/src/crypto/*.c +) + +register_repository( + NAME + picohttpparser + REPOSITORY + h2o/picohttpparser + COMMIT + 066d2b1e9ab820703db0837a7255d92d30f0c9f5 + OUTPUTS + picohttpparser.c +) + +list(APPEND BUN_C_SOURCES ${BUN_DEPS_SOURCE}/picohttpparser/picohttpparser.c) + +if(WIN32) + list(APPEND BUN_C_SOURCES ${CWD}/src/bun.js/bindings/windows/musl-memmem.c) +endif() + +list(APPEND BUN_CPP_SOURCES + ${BUN_C_SOURCES} + ${BUN_CXX_SOURCES} + ${BUN_ZIG_GENERATED_CLASSES_OUTPUTS} + ${BUN_JS_SINK_OUTPUTS} + ${BUN_JAVASCRIPT_OUTPUTS} + ${BUN_OBJECT_LUT_OUTPUTS} +) + +if(WIN32) + if(ENABLE_CANARY) + set(Bun_VERSION_WITH_TAG ${VERSION}-canary.${CANARY_REVISION}) + else() + set(Bun_VERSION_WITH_TAG ${VERSION}) + endif() + set(BUN_ICO_PATH ${CWD}/src/bun.ico) + configure_file( + ${CWD}/src/windows-app-info.rc + ${CODEGEN_PATH}/windows-app-info.rc + ) + list(APPEND BUN_CPP_SOURCES ${CODEGEN_PATH}/windows-app-info.rc) +endif() + +# --- Executable --- + +set(BUN_CPP_OUTPUT ${BUILD_PATH}/${CMAKE_STATIC_LIBRARY_PREFIX}${bun}${CMAKE_STATIC_LIBRARY_SUFFIX}) + +if(BUN_LINK_ONLY) + add_executable(${bun} ${BUN_CPP_OUTPUT} ${BUN_ZIG_OUTPUT}) + set_target_properties(${bun} PROPERTIES LINKER_LANGUAGE CXX) + target_link_libraries(${bun} PRIVATE ${BUN_CPP_OUTPUT}) +elseif(BUN_CPP_ONLY) + add_library(${bun} STATIC ${BUN_CPP_SOURCES}) + register_command( + TARGET + ${bun} + TARGET_PHASE + POST_BUILD + COMMENT + "Uploading ${bun}" + COMMAND + ${CMAKE_COMMAND} -E true + ARTIFACTS + ${BUN_CPP_OUTPUT} + ) +else() + add_executable(${bun} ${BUN_CPP_SOURCES}) + target_link_libraries(${bun} PRIVATE ${BUN_ZIG_OUTPUT}) +endif() + +if(NOT bun STREQUAL "bun") + add_custom_target(bun DEPENDS ${bun}) +endif() + +# --- C/C++ Properties --- + +set_target_properties(${bun} PROPERTIES + CXX_STANDARD 20 + CXX_STANDARD_REQUIRED YES + CXX_EXTENSIONS YES + CXX_VISIBILITY_PRESET hidden + C_STANDARD 17 + C_STANDARD_REQUIRED YES + VISIBILITY_INLINES_HIDDEN YES +) + +# --- C/C++ Includes --- + +if(WIN32) + target_include_directories(${bun} PRIVATE ${CWD}/src/bun.js/bindings/windows) +endif() + +target_include_directories(${bun} PRIVATE + ${CWD}/packages + ${CWD}/packages/bun-usockets + ${CWD}/packages/bun-usockets/src + ${CWD}/src/bun.js/bindings + ${CWD}/src/bun.js/bindings/webcore + ${CWD}/src/bun.js/bindings/webcrypto + ${CWD}/src/bun.js/bindings/sqlite + ${CWD}/src/bun.js/modules + ${CWD}/src/js/builtins + ${CWD}/src/napi + ${CWD}/src/deps + ${CWD}/src/deps/picohttpparser + ${CODEGEN_PATH} +) + +# --- C/C++ Definitions --- + +if(DEBUG) + target_compile_definitions(${bun} PRIVATE BUN_DEBUG=1) +endif() + +if(APPLE) + target_compile_definitions(${bun} PRIVATE _DARWIN_NON_CANCELABLE=1) +endif() + +if(WIN32) + target_compile_definitions(${bun} PRIVATE + WIN32 + _WINDOWS + WIN32_LEAN_AND_MEAN=1 + _CRT_SECURE_NO_WARNINGS + BORINGSSL_NO_CXX=1 # lol + ) +endif() + +target_compile_definitions(${bun} PRIVATE + _HAS_EXCEPTIONS=0 + LIBUS_USE_OPENSSL=1 + LIBUS_USE_BORINGSSL=1 + WITH_BORINGSSL=1 + STATICALLY_LINKED_WITH_JavaScriptCore=1 + STATICALLY_LINKED_WITH_BMALLOC=1 + BUILDING_WITH_CMAKE=1 + JSC_OBJC_API_ENABLED=0 + BUN_SINGLE_THREADED_PER_VM_ENTRY_SCOPE=1 + NAPI_EXPERIMENTAL=ON + NOMINMAX + IS_BUILD + BUILDING_JSCONLY__ + REPORTED_NODEJS_VERSION=\"${NODEJS_VERSION}\" + REPORTED_NODEJS_ABI_VERSION=${NODEJS_ABI_VERSION} +) + +if(DEBUG AND NOT CI) + target_compile_definitions(${bun} PRIVATE + BUN_DYNAMIC_JS_LOAD_PATH=\"${BUILD_PATH}/js\" + ) +endif() + + +# --- Compiler options --- + +if(WIN32) + target_compile_options(${bun} PUBLIC + /EHsc + -Xclang -fno-c++-static-destructors + ) + if(RELEASE) + target_compile_options(${bun} PUBLIC + /Gy + /Gw + /GF + /GA + ) + endif() +else() + target_compile_options(${bun} PUBLIC + -fconstexpr-steps=2542484 + -fconstexpr-depth=54 + -fno-exceptions + -fno-asynchronous-unwind-tables + -fno-unwind-tables + -fno-c++-static-destructors + -fvisibility=hidden + -fvisibility-inlines-hidden + -fno-omit-frame-pointer + -mno-omit-leaf-frame-pointer + -fno-pic + -fno-pie + -faddrsig + ) + if(DEBUG) + target_compile_options(${bun} PUBLIC + -Werror=return-type + -Werror=return-stack-address + -Werror=implicit-function-declaration + -Werror=uninitialized + -Werror=conditional-uninitialized + -Werror=suspicious-memaccess + -Werror=int-conversion + -Werror=nonnull + -Werror=move + -Werror=sometimes-uninitialized + -Werror=unused + -Wno-unused-function + -Wno-nullability-completeness + -Werror + -fsanitize=null + -fsanitize-recover=all + -fsanitize=bounds + -fsanitize=return + -fsanitize=nullability-arg + -fsanitize=nullability-assign + -fsanitize=nullability-return + -fsanitize=returns-nonnull-attribute + -fsanitize=unreachable + ) + target_link_libraries(${bun} PRIVATE -fsanitize=null) + else() + # Leave -Werror=unused off in release builds so we avoid errors from being used in ASSERT + target_compile_options(${bun} PUBLIC ${LTO_FLAG} + -Werror=return-type + -Werror=return-stack-address + -Werror=implicit-function-declaration + -Werror=uninitialized + -Werror=conditional-uninitialized + -Werror=suspicious-memaccess + -Werror=int-conversion + -Werror=nonnull + -Werror=move + -Werror=sometimes-uninitialized + -Wno-nullability-completeness + -Werror + ) + endif() +endif() + +# --- Linker options --- + +if(WIN32) + target_link_options(${bun} PUBLIC + /STACK:0x1200000,0x100000 + /errorlimit:0 + ) + if(RELEASE) + target_link_options(${bun} PUBLIC + -flto=full + /LTCG + /OPT:REF + /OPT:NOICF + /DEBUG:FULL + /delayload:ole32.dll + /delayload:WINMM.dll + /delayload:dbghelp.dll + /delayload:VCRUNTIME140_1.dll + # libuv loads these two immediately, but for some reason it seems to still be slightly faster to delayload them + /delayload:WS2_32.dll + /delayload:WSOCK32.dll + /delayload:ADVAPI32.dll + /delayload:IPHLPAPI.dll + ) + endif() +elseif(APPLE) + target_link_options(${bun} PUBLIC + -dead_strip + -dead_strip_dylibs + -Wl,-stack_size,0x1200000 + -fno-keep-static-consts + ) +else() + target_link_options(${bun} PUBLIC + -fuse-ld=lld-${LLVM_VERSION_MAJOR} + -fno-pic + -static-libstdc++ + -static-libgcc + -Wl,-no-pie + -Wl,-icf=safe + -Wl,--as-needed + -Wl,--gc-sections + -Wl,-z,stack-size=12800000 + -Wl,--wrap=fcntl + -Wl,--wrap=fcntl64 + -Wl,--wrap=stat64 + -Wl,--wrap=pow + -Wl,--wrap=exp + -Wl,--wrap=expf + -Wl,--wrap=log + -Wl,--wrap=log2 + -Wl,--wrap=lstat + -Wl,--wrap=stat64 + -Wl,--wrap=stat + -Wl,--wrap=fstat + -Wl,--wrap=fstatat + -Wl,--wrap=lstat64 + -Wl,--wrap=fstat64 + -Wl,--wrap=fstatat64 + -Wl,--wrap=mknod + -Wl,--wrap=mknodat + -Wl,--wrap=statx + -Wl,--wrap=fmod + -Wl,--compress-debug-sections=zlib + -Wl,-z,lazy + -Wl,-z,norelro + ) +endif() + +# --- LTO options --- + +if(ENABLE_LTO) + if(WIN32) + target_link_options(${bun} PUBLIC -flto) + target_compile_options(${bun} PUBLIC -flto -Xclang -emit-llvm-bc) + else() + target_compile_options(${bun} PUBLIC + -flto=full + -emit-llvm + -fwhole-program-vtables + -fforce-emit-vtables + ) + endif() +endif() + +# --- Symbols list --- + +if(WIN32) + set(BUN_SYMBOLS_PATH ${CWD}/src/symbols.def) + target_link_options(${bun} PUBLIC /DEF:${BUN_SYMBOLS_PATH}) +elseif(APPLE) + set(BUN_SYMBOLS_PATH ${CWD}/src/symbols.txt) + target_link_options(${bun} PUBLIC -exported_symbols_list ${BUN_SYMBOLS_PATH}) +else() + set(BUN_SYMBOLS_PATH ${CWD}/src/symbols.dyn) + set(BUN_LINKER_LDS_PATH ${CWD}/src/linker.lds) + target_link_options(${bun} PUBLIC + -Bsymbolics-functions + -rdynamic + -Wl,--dynamic-list=${BUN_SYMBOLS_PATH} + -Wl,--version-script=${BUN_LINKER_LDS_PATH} + ) + set_target_properties(${bun} PROPERTIES LINK_DEPENDS ${BUN_LINKER_LDS_PATH}) +endif() + +set_target_properties(${bun} PROPERTIES LINK_DEPENDS ${BUN_SYMBOLS_PATH}) + +# --- WebKit --- + +include(SetupWebKit) + +if(WIN32) + target_link_libraries(${bun} PRIVATE + ${WEBKIT_LIB_PATH}/WTF.lib + ${WEBKIT_LIB_PATH}/JavaScriptCore.lib + ${WEBKIT_LIB_PATH}/sicudt.lib + ${WEBKIT_LIB_PATH}/sicuin.lib + ${WEBKIT_LIB_PATH}/sicuuc.lib + ) +else() + target_link_libraries(${bun} PRIVATE + ${WEBKIT_LIB_PATH}/libWTF.a + ${WEBKIT_LIB_PATH}/libJavaScriptCore.a + ) + if(NOT APPLE OR EXISTS ${WEBKIT_LIB_PATH}/libbmalloc.a) + target_link_libraries(${bun} PRIVATE ${WEBKIT_LIB_PATH}/libbmalloc.a) + endif() +endif() + +include_directories(${WEBKIT_INCLUDE_PATH}) + +if(WEBKIT_PREBUILT AND NOT APPLE) + include_directories(${WEBKIT_INCLUDE_PATH}/wtf/unicode) +endif() + +# --- Dependencies --- + +set(BUN_DEPENDENCIES + BoringSSL + Brotli + Cares + LibDeflate + LolHtml + Lshpack + Mimalloc + TinyCC + Zlib + LibArchive # must be loaded after zlib + Zstd +) + +if(WIN32) + list(APPEND BUN_DEPENDENCIES Libuv) +endif() + +if(USE_STATIC_SQLITE) + list(APPEND BUN_DEPENDENCIES SQLite) +endif() + +foreach(dependency ${BUN_DEPENDENCIES}) + include(Build${dependency}) +endforeach() + +list(TRANSFORM BUN_DEPENDENCIES TOLOWER OUTPUT_VARIABLE BUN_TARGETS) +add_custom_target(dependencies DEPENDS ${BUN_TARGETS}) + +if(APPLE) + target_link_libraries(${bun} PRIVATE icucore resolv) +endif() + +if(USE_STATIC_SQLITE) + target_compile_definitions(${bun} PRIVATE LAZY_LOAD_SQLITE=0) +else() + target_compile_definitions(${bun} PRIVATE LAZY_LOAD_SQLITE=1) +endif() + +if(LINUX) + target_link_libraries(${bun} PRIVATE c pthread dl) + + if(USE_STATIC_LIBATOMIC) + target_link_libraries(${bun} PRIVATE libatomic.a) + else() + target_link_libraries(${bun} PUBLIC libatomic.so) + endif() + + if(USE_SYSTEM_ICU) + target_link_libraries(${bun} PRIVATE libicudata.a) + target_link_libraries(${bun} PRIVATE libicui18n.a) + target_link_libraries(${bun} PRIVATE libicuuc.a) + else() + target_link_libraries(${bun} PRIVATE ${WEBKIT_LIB_PATH}/libicudata.a) + target_link_libraries(${bun} PRIVATE ${WEBKIT_LIB_PATH}/libicui18n.a) + target_link_libraries(${bun} PRIVATE ${WEBKIT_LIB_PATH}/libicuuc.a) + endif() +endif() + +if(WIN32) + target_link_libraries(${bun} PRIVATE + winmm + bcrypt + ntdll + userenv + dbghelp + wsock32 # ws2_32 required by TransmitFile aka sendfile on windows + delayimp.lib + ) +endif() + +# --- Packaging --- + +if(NOT BUN_CPP_ONLY) + if(bunStrip) + register_command( + TARGET + ${bun} + TARGET_PHASE + POST_BUILD + COMMENT + "Stripping ${bun}" + COMMAND + ${CMAKE_STRIP} + ${bunExe} + --strip-all + --strip-debug + --discard-all + -o ${bunStripExe} + CWD + ${BUILD_PATH} + OUTPUTS + ${BUILD_PATH}/${bunStripExe} + ) + endif() + + register_command( + TARGET + ${bun} + TARGET_PHASE + POST_BUILD + COMMENT + "Testing ${bun}" + COMMAND + ${CMAKE_COMMAND} + -E env BUN_DEBUG_QUIET_LOGS=1 + ${BUILD_PATH}/${bunExe} + --revision + CWD + ${BUILD_PATH} + ) + + if(CI) + set(BUN_FEATURES_SCRIPT ${CWD}/scripts/features.mjs) + register_command( + TARGET + ${bun} + TARGET_PHASE + POST_BUILD + COMMENT + "Generating features.json" + COMMAND + ${CMAKE_COMMAND} + -E env + BUN_GARBAGE_COLLECTOR_LEVEL=1 + BUN_DEBUG_QUIET_LOGS=1 + BUN_FEATURE_FLAG_INTERNAL_FOR_TESTING=1 + ${BUILD_PATH}/${bunExe} + ${BUN_FEATURES_SCRIPT} + CWD + ${BUILD_PATH} + ARTIFACTS + ${BUILD_PATH}/features.json + ) + endif() + + if(CMAKE_HOST_APPLE AND bunStrip) + register_command( + TARGET + ${bun} + TARGET_PHASE + POST_BUILD + COMMENT + "Generating ${bun}.dSYM" + COMMAND + ${CMAKE_DSYMUTIL} + ${bun} + --flat + --keep-function-for-static + --object-prefix-map .=${CWD} + -o ${bun}.dSYM + -j ${CMAKE_BUILD_PARALLEL_LEVEL} + CWD + ${BUILD_PATH} + OUTPUTS + ${BUILD_PATH}/${bun}.dSYM + ) + endif() + + if(CI) + if(ENABLE_BASELINE) + set(bunTriplet bun-${OS}-${ARCH}-baseline) + else() + set(bunTriplet bun-${OS}-${ARCH}) + endif() + string(REPLACE bun ${bunTriplet} bunPath ${bun}) + set(bunFiles ${bunExe} features.json) + if(WIN32) + list(APPEND bunFiles ${bun}.pdb) + elseif(APPLE) + list(APPEND bunFiles ${bun}.dSYM) + endif() + register_command( + TARGET + ${bun} + TARGET_PHASE + POST_BUILD + COMMENT + "Generating ${bunPath}.zip" + COMMAND + ${CMAKE_COMMAND} -E rm -rf ${bunPath} ${bunPath}.zip + && ${CMAKE_COMMAND} -E make_directory ${bunPath} + && ${CMAKE_COMMAND} -E copy ${bunFiles} ${bunPath} + && ${CMAKE_COMMAND} -E tar cfv ${bunPath}.zip --format=zip ${bunPath} + && ${CMAKE_COMMAND} -E rm -rf ${bunPath} + CWD + ${BUILD_PATH} + ARTIFACTS + ${BUILD_PATH}/${bunPath}.zip + ) + + if(bunStrip) + string(REPLACE bun ${bunTriplet} bunStripPath ${bunStrip}) + register_command( + TARGET + ${bun} + TARGET_PHASE + POST_BUILD + COMMENT + "Generating ${bunStripPath}.zip" + COMMAND + ${CMAKE_COMMAND} -E rm -rf ${bunStripPath} ${bunStripPath}.zip + && ${CMAKE_COMMAND} -E make_directory ${bunStripPath} + && ${CMAKE_COMMAND} -E copy ${bunStripExe} ${bunStripPath} + && ${CMAKE_COMMAND} -E tar cfv ${bunStripPath}.zip --format=zip ${bunStripPath} + && ${CMAKE_COMMAND} -E rm -rf ${bunStripPath} + CWD + ${BUILD_PATH} + ARTIFACTS + ${BUILD_PATH}/${bunStripPath}.zip + ) + endif() + endif() +endif() diff --git a/cmake/targets/BuildCares.cmake b/cmake/targets/BuildCares.cmake new file mode 100644 index 0000000000..ccc6f3b2f7 --- /dev/null +++ b/cmake/targets/BuildCares.cmake @@ -0,0 +1,29 @@ +include(Macros) + +register_repository( + NAME + cares + REPOSITORY + c-ares/c-ares + COMMIT + d1722e6e8acaf10eb73fa995798a9cd421d9f85e +) + +register_cmake_command( + TARGET + cares + TARGETS + c-ares + ARGS + -DCARES_STATIC=ON + -DCARES_STATIC_PIC=ON # FORCE_PIC was set to 1, but CARES_STATIC_PIC was set to OFF?? + -DCMAKE_POSITION_INDEPENDENT_CODE=ON + -DCARES_SHARED=OFF + -DCARES_BUILD_TOOLS=OFF # this was set to ON? + LIB_PATH + lib + LIBRARIES + cares + INCLUDES + include +) diff --git a/cmake/targets/BuildLibArchive.cmake b/cmake/targets/BuildLibArchive.cmake new file mode 100644 index 0000000000..156fec2b4f --- /dev/null +++ b/cmake/targets/BuildLibArchive.cmake @@ -0,0 +1,55 @@ +include(Macros) + +register_repository( + NAME + libarchive + REPOSITORY + libarchive/libarchive + COMMIT + 898dc8319355b7e985f68a9819f182aaed61b53a +) + +register_cmake_command( + TARGET + libarchive + TARGETS + archive_static + ARGS + -DCMAKE_POSITION_INDEPENDENT_CODE=ON + -DBUILD_SHARED_LIBS=OFF + -DENABLE_INSTALL=OFF + -DENABLE_TEST=OFF + -DENABLE_WERROR=OFF + -DENABLE_BZIP2=OFF + -DENABLE_CAT=OFF + -DENABLE_EXPAT=OFF + -DENABLE_ICONV=OFF + -DENABLE_LIBB2=OFF + -DENABLE_LibGCC=OFF + -DENABLE_LIBXML2=OFF + -DENABLE_LZ4=OFF + -DENABLE_LZMA=OFF + -DENABLE_LZO=OFF + -DENABLE_MBEDTLS=OFF + -DENABLE_NETTLE=OFF + -DENABLE_OPENSSL=OFF + -DENABLE_PCRE2POSIX=OFF + -DENABLE_PCREPOSIX=OFF + -DENABLE_ZSTD=OFF + # libarchive depends on zlib headers, otherwise it will + # spawn a processes to compress instead of using the library. + -DENABLE_ZLIB=OFF + -DHAVE_ZLIB_H=ON + -DCMAKE_C_FLAGS="-I${CWD}/src/deps/zlib" + LIB_PATH + libarchive + LIBRARIES + archive + INCLUDES + include +) + +# Must be loaded after zlib is defined +if(TARGET clone-zlib) + add_dependencies(libarchive clone-zlib) +endif() diff --git a/cmake/targets/BuildLibDeflate.cmake b/cmake/targets/BuildLibDeflate.cmake new file mode 100644 index 0000000000..568f1062d4 --- /dev/null +++ b/cmake/targets/BuildLibDeflate.cmake @@ -0,0 +1,26 @@ +include(Macros) + +register_repository( + NAME + libdeflate + REPOSITORY + ebiggers/libdeflate + COMMIT + dc76454a39e7e83b68c3704b6e3784654f8d5ac5 +) + +register_cmake_command( + TARGET + libdeflate + TARGETS + libdeflate_static + ARGS + -DLIBDEFLATE_BUILD_STATIC_LIB=ON + -DLIBDEFLATE_BUILD_SHARED_LIB=OFF + -DLIBDEFLATE_BUILD_GZIP=OFF + LIBRARIES + deflatestatic WIN32 + deflate UNIX + INCLUDES + . +) diff --git a/cmake/targets/BuildLibuv.cmake b/cmake/targets/BuildLibuv.cmake new file mode 100644 index 0000000000..97cb58c632 --- /dev/null +++ b/cmake/targets/BuildLibuv.cmake @@ -0,0 +1,31 @@ +include(Macros) + +register_repository( + NAME + libuv + REPOSITORY + libuv/libuv + COMMIT + da527d8d2a908b824def74382761566371439003 +) + +if(WIN32) + set(LIBUV_CMAKE_C_FLAGS "/DWIN32 /D_WINDOWS -Wno-int-conversion") +endif() + +register_cmake_command( + TARGET + libuv + TARGETS + uv_a + ARGS + -DLIBUV_BUILD_SHARED=OFF + -DLIBUV_BUILD_TESTS=OFF + -DLIBUV_BUILD_BENCH=OFF + -DCMAKE_C_FLAGS=${LIBUV_CMAKE_C_FLAGS} + LIBRARIES + libuv WIN32 + uv UNIX + INCLUDES + include +) diff --git a/cmake/targets/BuildLolHtml.cmake b/cmake/targets/BuildLolHtml.cmake new file mode 100644 index 0000000000..1fd6645c34 --- /dev/null +++ b/cmake/targets/BuildLolHtml.cmake @@ -0,0 +1,48 @@ +include(Macros) +include(SetupRust) + +register_repository( + NAME + lolhtml + REPOSITORY + cloudflare/lol-html + COMMIT + 8d4c273ded322193d017042d1f48df2766b0f88b +) + +set(LOLHTML_CWD ${CWD}/src/deps/lolhtml/c-api) +set(LOLHTML_BUILD_PATH ${BUILD_PATH}/lolhtml) + +if(DEBUG) + set(LOLHTML_BUILD_TYPE debug) +else() + set(LOLHTML_BUILD_TYPE release) +endif() + +set(LOLHTML_LIBRARY ${LOLHTML_BUILD_PATH}/${LOLHTML_BUILD_TYPE}/${CMAKE_STATIC_LIBRARY_PREFIX}lolhtml${CMAKE_STATIC_LIBRARY_SUFFIX}) + +set(LOLHTML_BUILD_ARGS + --target-dir ${BUILD_PATH}/lolhtml +) + +if(RELEASE) + list(APPEND LOLHTML_BUILD_ARGS --release) +endif() + +register_command( + TARGET + lolhtml + CWD + ${LOLHTML_CWD} + COMMAND + ${CARGO_EXECUTABLE} + build + ${LOLHTML_BUILD_ARGS} + ARTIFACTS + ${LOLHTML_LIBRARY} +) + +target_link_libraries(${bun} PRIVATE ${LOLHTML_LIBRARY}) +if(BUN_LINK_ONLY) + target_sources(${bun} PRIVATE ${LOLHTML_LIBRARY}) +endif() diff --git a/cmake/targets/BuildLshpack.cmake b/cmake/targets/BuildLshpack.cmake new file mode 100644 index 0000000000..53406b27c9 --- /dev/null +++ b/cmake/targets/BuildLshpack.cmake @@ -0,0 +1,35 @@ +include(Macros) + +register_repository( + NAME + lshpack + REPOSITORY + litespeedtech/ls-hpack + COMMIT + 3d0f1fc1d6e66a642e7a98c55deb38aa986eb4b0 +) + +if(WIN32) + set(LSHPACK_INCLUDES . compat/queue) +else() + set(LSHPACK_INCLUDES .) +endif() + +register_cmake_command( + TARGET + lshpack + LIBRARIES + ls-hpack + ARGS + -DSHARED=OFF + -DLSHPACK_XXH=ON + # There are linking errors when built with non-Release + # Undefined symbols for architecture arm64: + # "___asan_handle_no_return", referenced from: + # _lshpack_enc_get_static_nameval in libls-hpack.a(lshpack.c.o) + # _lshpack_enc_get_static_name in libls-hpack.a(lshpack.c.o) + # _update_hash in libls-hpack.a(lshpack.c.o) + -DCMAKE_BUILD_TYPE=Release + INCLUDES + ${LSHPACK_INCLUDES} +) diff --git a/cmake/targets/BuildMimalloc.cmake b/cmake/targets/BuildMimalloc.cmake new file mode 100644 index 0000000000..70e953a3b1 --- /dev/null +++ b/cmake/targets/BuildMimalloc.cmake @@ -0,0 +1,58 @@ +include(Macros) + +register_repository( + NAME + mimalloc + REPOSITORY + oven-sh/mimalloc + COMMIT + 4c283af60cdae205df5a872530c77e2a6a307d43 +) + +set(MIMALLOC_CMAKE_ARGS + -DMI_BUILD_STATIC=ON + -DMI_BUILD_OBJECT=ON + -DMI_BUILD_SHARED=OFF + -DMI_BUILD_TESTS=OFF + -DMI_USE_CXX=ON + -DMI_OVERRIDE=OFF + -DMI_OSX_ZONE=OFF + -DMI_OSX_INTERPOSE=OFF + -DMI_SKIP_COLLECT_ON_EXIT=ON +) + +if(DEBUG) + list(APPEND MIMALLOC_CMAKE_ARGS -DMI_DEBUG_FULL=ON) +endif() + +if(ENABLE_VALGRIND) + list(APPEND MIMALLOC_CMAKE_ARGS -DMI_VALGRIND=ON) +endif() + +if(WIN32) + set(MIMALLOC_LIBRARY mimalloc-static) +elseif(DEBUG) + set(MIMALLOC_LIBRARY mimalloc-debug) +else() + set(MIMALLOC_LIBRARY mimalloc) +endif() + +# Workaround for linker issue on macOS and Linux x64 +# https://github.com/microsoft/mimalloc/issues/512 +if(APPLE OR (LINUX AND NOT DEBUG)) + set(MIMALLOC_LIBRARY CMakeFiles/mimalloc-obj.dir/src/static.c.o) +endif() + +register_cmake_command( + TARGET + mimalloc + TARGETS + mimalloc-static + mimalloc-obj + ARGS + ${MIMALLOC_CMAKE_ARGS} + LIBRARIES + ${MIMALLOC_LIBRARY} + INCLUDES + include +) diff --git a/cmake/targets/BuildSQLite.cmake b/cmake/targets/BuildSQLite.cmake new file mode 100644 index 0000000000..4dc898544d --- /dev/null +++ b/cmake/targets/BuildSQLite.cmake @@ -0,0 +1,12 @@ +include(Macros) + +register_cmake_command( + TARGET + sqlite + CWD + ${CWD}/src/bun.js/bindings/sqlite + LIBRARIES + sqlite3 + INCLUDES + . +) diff --git a/cmake/targets/BuildTinyCC.cmake b/cmake/targets/BuildTinyCC.cmake new file mode 100644 index 0000000000..60257d2356 --- /dev/null +++ b/cmake/targets/BuildTinyCC.cmake @@ -0,0 +1,17 @@ +include(Macros) + +register_repository( + NAME + tinycc + REPOSITORY + oven-sh/tinycc + COMMIT + ab631362d839333660a265d3084d8ff060b96753 +) + +register_cmake_command( + TARGET + tinycc + LIBRARIES + tcc +) diff --git a/cmake/targets/BuildZlib.cmake b/cmake/targets/BuildZlib.cmake new file mode 100644 index 0000000000..6e29286025 --- /dev/null +++ b/cmake/targets/BuildZlib.cmake @@ -0,0 +1,33 @@ +include(Macros) + +register_repository( + NAME + zlib + REPOSITORY + cloudflare/zlib + COMMIT + 886098f3f339617b4243b286f5ed364b9989e245 +) + +# https://gitlab.kitware.com/cmake/cmake/-/issues/25755 +if(APPLE) + set(ZLIB_CMAKE_C_FLAGS "-fno-define-target-os-macros") + set(ZLIB_CMAKE_CXX_FLAGS "-fno-define-target-os-macros") +endif() + +register_cmake_command( + TARGET + zlib + TARGETS + zlib + ARGS + -DBUILD_SHARED_LIBS=OFF + -DBUILD_EXAMPLES=OFF + "-DCMAKE_C_FLAGS=${ZLIB_CMAKE_C_FLAGS}" + "-DCMAKE_CXX_FLAGS=${ZLIB_CMAKE_CXX_FLAGS}" + LIBRARIES + zlib WIN32 + z UNIX + INCLUDES + . +) diff --git a/cmake/targets/BuildZstd.cmake b/cmake/targets/BuildZstd.cmake new file mode 100644 index 0000000000..b4ccc83f20 --- /dev/null +++ b/cmake/targets/BuildZstd.cmake @@ -0,0 +1,28 @@ +include(Macros) + +register_repository( + NAME + zstd + REPOSITORY + facebook/zstd + COMMIT + 794ea1b0afca0f020f4e57b6732332231fb23c70 +) + +register_cmake_command( + TARGET + zstd + TARGETS + libzstd_static + ARGS + -Sbuild/cmake + -DZSTD_BUILD_STATIC=ON + -DZSTD_BUILD_PROGRAMS=OFF + -DZSTD_BUILD_TESTS=OFF + -DZSTD_BUILD_CONTRIB=OFF + LIB_PATH + lib + LIBRARIES + zstd_static WIN32 + zstd UNIX +) diff --git a/cmake/toolchains/darwin-aarch64.cmake b/cmake/toolchains/darwin-aarch64.cmake new file mode 100644 index 0000000000..b5a52c3fb2 --- /dev/null +++ b/cmake/toolchains/darwin-aarch64.cmake @@ -0,0 +1,5 @@ +set(CMAKE_SYSTEM_NAME Darwin) +set(CMAKE_SYSTEM_PROCESSOR aarch64) + +set(CMAKE_C_COMPILER_WORKS ON) +set(CMAKE_CXX_COMPILER_WORKS ON) diff --git a/cmake/toolchains/darwin-x64.cmake b/cmake/toolchains/darwin-x64.cmake new file mode 100644 index 0000000000..aef2c72d12 --- /dev/null +++ b/cmake/toolchains/darwin-x64.cmake @@ -0,0 +1,6 @@ +set(CMAKE_SYSTEM_NAME Darwin) +set(CMAKE_SYSTEM_PROCESSOR x64) +set(CMAKE_OSX_ARCHITECTURES x86_64) + +set(CMAKE_C_COMPILER_WORKS ON) +set(CMAKE_CXX_COMPILER_WORKS ON) \ No newline at end of file diff --git a/cmake/toolchains/linux-aarch64.cmake b/cmake/toolchains/linux-aarch64.cmake new file mode 100644 index 0000000000..bc23a06302 --- /dev/null +++ b/cmake/toolchains/linux-aarch64.cmake @@ -0,0 +1,5 @@ +set(CMAKE_SYSTEM_NAME Linux) +set(CMAKE_SYSTEM_PROCESSOR aarch64) + +set(CMAKE_C_COMPILER_WORKS ON) +set(CMAKE_CXX_COMPILER_WORKS ON) \ No newline at end of file diff --git a/cmake/toolchains/linux-x64-baseline.cmake b/cmake/toolchains/linux-x64-baseline.cmake new file mode 100644 index 0000000000..f521cfcc4a --- /dev/null +++ b/cmake/toolchains/linux-x64-baseline.cmake @@ -0,0 +1,6 @@ +set(CMAKE_SYSTEM_NAME Linux) +set(CMAKE_SYSTEM_PROCESSOR x64) +set(ENABLE_BASELINE ON) + +set(CMAKE_C_COMPILER_WORKS ON) +set(CMAKE_CXX_COMPILER_WORKS ON) \ No newline at end of file diff --git a/cmake/toolchains/linux-x64.cmake b/cmake/toolchains/linux-x64.cmake new file mode 100644 index 0000000000..66bc7a592f --- /dev/null +++ b/cmake/toolchains/linux-x64.cmake @@ -0,0 +1,5 @@ +set(CMAKE_SYSTEM_NAME Linux) +set(CMAKE_SYSTEM_PROCESSOR x64) + +set(CMAKE_C_COMPILER_WORKS ON) +set(CMAKE_CXX_COMPILER_WORKS ON) diff --git a/cmake/toolchains/windows-x64-baseline.cmake b/cmake/toolchains/windows-x64-baseline.cmake new file mode 100644 index 0000000000..fe2df9a930 --- /dev/null +++ b/cmake/toolchains/windows-x64-baseline.cmake @@ -0,0 +1,6 @@ +set(CMAKE_SYSTEM_NAME Windows) +set(CMAKE_SYSTEM_PROCESSOR x64) +set(ENABLE_BASELINE ON) + +set(CMAKE_C_COMPILER_WORKS ON) +set(CMAKE_CXX_COMPILER_WORKS ON) \ No newline at end of file diff --git a/cmake/toolchains/windows-x64.cmake b/cmake/toolchains/windows-x64.cmake new file mode 100644 index 0000000000..bb239656dc --- /dev/null +++ b/cmake/toolchains/windows-x64.cmake @@ -0,0 +1,5 @@ +set(CMAKE_SYSTEM_NAME Windows) +set(CMAKE_SYSTEM_PROCESSOR x64) + +set(CMAKE_C_COMPILER_WORKS ON) +set(CMAKE_CXX_COMPILER_WORKS ON) \ No newline at end of file diff --git a/cmake/tools/SetupBuildkite.cmake b/cmake/tools/SetupBuildkite.cmake new file mode 100644 index 0000000000..5911ce728b --- /dev/null +++ b/cmake/tools/SetupBuildkite.cmake @@ -0,0 +1,177 @@ +include(Macros) + +optionx(BUILDKITE_CACHE BOOL "If the build can use Buildkite caches, even if not running in Buildkite" DEFAULT ${BUILDKITE}) + +if(NOT BUILDKITE_CACHE OR NOT BUN_LINK_ONLY) + return() +endif() + +optionx(BUILDKITE_ORGANIZATION_SLUG STRING "The organization slug to use on Buildkite" DEFAULT "bun") +optionx(BUILDKITE_PIPELINE_SLUG STRING "The pipeline slug to use on Buildkite" DEFAULT "bun") +optionx(BUILDKITE_BUILD_ID STRING "The build ID to use on Buildkite") +optionx(BUILDKITE_GROUP_ID STRING "The group ID to use on Buildkite") + +if(ENABLE_BASELINE) + set(DEFAULT_BUILDKITE_GROUP_KEY ${OS}-${ARCH}-baseline) +else() + set(DEFAULT_BUILDKITE_GROUP_KEY ${OS}-${ARCH}) +endif() + +optionx(BUILDKITE_GROUP_KEY STRING "The group key to use on Buildkite" DEFAULT ${DEFAULT_BUILDKITE_GROUP_KEY}) + +if(BUILDKITE) + optionx(BUILDKITE_BUILD_ID_OVERRIDE STRING "The build ID to use on Buildkite") + if(BUILDKITE_BUILD_ID_OVERRIDE) + setx(BUILDKITE_BUILD_ID ${BUILDKITE_BUILD_ID_OVERRIDE}) + endif() +endif() + +set(BUILDKITE_PATH ${BUILD_PATH}/buildkite) +set(BUILDKITE_BUILDS_PATH ${BUILDKITE_PATH}/builds) + +if(NOT BUILDKITE_BUILD_ID) + # TODO: find the latest build on the main branch that passed + return() +endif() + +setx(BUILDKITE_BUILD_URL https://buildkite.com/${BUILDKITE_ORGANIZATION_SLUG}/${BUILDKITE_PIPELINE_SLUG}/builds/${BUILDKITE_BUILD_ID}) +setx(BUILDKITE_BUILD_PATH ${BUILDKITE_BUILDS_PATH}/builds/${BUILDKITE_BUILD_ID}) + +file( + DOWNLOAD ${BUILDKITE_BUILD_URL} + HTTPHEADER "Accept: application/json" + TIMEOUT 15 + STATUS BUILDKITE_BUILD_STATUS + ${BUILDKITE_BUILD_PATH}/build.json +) +if(NOT BUILDKITE_BUILD_STATUS EQUAL 0) + message(FATAL_ERROR "No build found: ${BUILDKITE_BUILD_STATUS} ${BUILDKITE_BUILD_URL}") + return() +endif() + +file(READ ${BUILDKITE_BUILD_PATH}/build.json BUILDKITE_BUILD) +string(JSON BUILDKITE_BUILD_UUID GET ${BUILDKITE_BUILD} id) +string(JSON BUILDKITE_JOBS GET ${BUILDKITE_BUILD} jobs) +string(JSON BUILDKITE_JOBS_COUNT LENGTH ${BUILDKITE_JOBS}) + +if(NOT BUILDKITE_JOBS_COUNT GREATER 0) + message(FATAL_ERROR "No jobs found: ${BUILDKITE_BUILD_URL}") + return() +endif() + +set(BUILDKITE_JOBS_FAILED) +set(BUILDKITE_JOBS_NOT_FOUND) +set(BUILDKITE_JOBS_NO_ARTIFACTS) +set(BUILDKITE_JOBS_NO_MATCH) +set(BUILDKITE_JOBS_MATCH) + +math(EXPR BUILDKITE_JOBS_MAX_INDEX "${BUILDKITE_JOBS_COUNT} - 1") +foreach(i RANGE ${BUILDKITE_JOBS_MAX_INDEX}) + string(JSON BUILDKITE_JOB GET ${BUILDKITE_JOBS} ${i}) + string(JSON BUILDKITE_JOB_ID GET ${BUILDKITE_JOB} id) + string(JSON BUILDKITE_JOB_PASSED GET ${BUILDKITE_JOB} passed) + string(JSON BUILDKITE_JOB_GROUP_ID GET ${BUILDKITE_JOB} group_uuid) + string(JSON BUILDKITE_JOB_GROUP_KEY GET ${BUILDKITE_JOB} group_identifier) + string(JSON BUILDKITE_JOB_NAME GET ${BUILDKITE_JOB} step_key) + if(NOT BUILDKITE_JOB_NAME) + string(JSON BUILDKITE_JOB_NAME GET ${BUILDKITE_JOB} name) + endif() + + if(NOT BUILDKITE_JOB_PASSED) + list(APPEND BUILDKITE_JOBS_FAILED ${BUILDKITE_JOB_NAME}) + continue() + endif() + + if(NOT (BUILDKITE_GROUP_ID AND BUILDKITE_GROUP_ID STREQUAL BUILDKITE_JOB_GROUP_ID) AND + NOT (BUILDKITE_GROUP_KEY AND BUILDKITE_GROUP_KEY STREQUAL BUILDKITE_JOB_GROUP_KEY)) + list(APPEND BUILDKITE_JOBS_NO_MATCH ${BUILDKITE_JOB_NAME}) + continue() + endif() + + set(BUILDKITE_ARTIFACTS_URL https://buildkite.com/organizations/${BUILDKITE_ORGANIZATION_SLUG}/pipelines/${BUILDKITE_PIPELINE_SLUG}/builds/${BUILDKITE_BUILD_UUID}/jobs/${BUILDKITE_JOB_ID}/artifacts) + set(BUILDKITE_ARTIFACTS_PATH ${BUILDKITE_BUILD_PATH}/artifacts/${BUILDKITE_JOB_ID}.json) + + file( + DOWNLOAD ${BUILDKITE_ARTIFACTS_URL} + HTTPHEADER "Accept: application/json" + TIMEOUT 15 + STATUS BUILDKITE_ARTIFACTS_STATUS + ${BUILDKITE_ARTIFACTS_PATH} + ) + + if(NOT BUILDKITE_ARTIFACTS_STATUS EQUAL 0) + list(APPEND BUILDKITE_JOBS_NOT_FOUND ${BUILDKITE_JOB_NAME}) + continue() + endif() + + file(READ ${BUILDKITE_ARTIFACTS_PATH} BUILDKITE_ARTIFACTS) + string(JSON BUILDKITE_ARTIFACTS_LENGTH LENGTH ${BUILDKITE_ARTIFACTS}) + if(NOT BUILDKITE_ARTIFACTS_LENGTH GREATER 0) + list(APPEND BUILDKITE_JOBS_NO_ARTIFACTS ${BUILDKITE_JOB_NAME}) + continue() + endif() + + math(EXPR BUILDKITE_ARTIFACTS_MAX_INDEX "${BUILDKITE_ARTIFACTS_LENGTH} - 1") + foreach(i RANGE 0 ${BUILDKITE_ARTIFACTS_MAX_INDEX}) + string(JSON BUILDKITE_ARTIFACT GET ${BUILDKITE_ARTIFACTS} ${i}) + string(JSON BUILDKITE_ARTIFACT_ID GET ${BUILDKITE_ARTIFACT} id) + string(JSON BUILDKITE_ARTIFACT_PATH GET ${BUILDKITE_ARTIFACT} path) + + if(NOT BUILDKITE_ARTIFACT_PATH MATCHES "\\.(o|a|lib|zip|tar|gz)") + continue() + endif() + + if(BUILDKITE) + set(BUILDKITE_DOWNLOAD_COMMAND buildkite-agent artifact download ${BUILDKITE_ARTIFACT_PATH} . --build ${BUILDKITE_BUILD_UUID} --step ${BUILDKITE_JOB_ID}) + else() + set(BUILDKITE_DOWNLOAD_COMMAND curl -L -o ${BUILDKITE_ARTIFACT_PATH} ${BUILDKITE_ARTIFACTS_URL}/${BUILDKITE_ARTIFACT_ID}) + endif() + + add_custom_command( + COMMENT + "Downloading ${BUILDKITE_ARTIFACT_PATH}" + VERBATIM COMMAND + ${BUILDKITE_DOWNLOAD_COMMAND} + WORKING_DIRECTORY + ${BUILD_PATH} + OUTPUT + ${BUILD_PATH}/${BUILDKITE_ARTIFACT_PATH} + ) + endforeach() + + list(APPEND BUILDKITE_JOBS_MATCH ${BUILDKITE_JOB_NAME}) +endforeach() + +if(BUILDKITE_JOBS_FAILED) + list(SORT BUILDKITE_JOBS_FAILED COMPARE STRING) + list(JOIN BUILDKITE_JOBS_FAILED " " BUILDKITE_JOBS_FAILED) + message(WARNING "The following jobs were found, but failed: ${BUILDKITE_JOBS_FAILED}") +endif() + +if(BUILDKITE_JOBS_NOT_FOUND) + list(SORT BUILDKITE_JOBS_NOT_FOUND COMPARE STRING) + list(JOIN BUILDKITE_JOBS_NOT_FOUND " " BUILDKITE_JOBS_NOT_FOUND) + message(WARNING "The following jobs were found, but could not fetch their data: ${BUILDKITE_JOBS_NOT_FOUND}") +endif() + +if(BUILDKITE_JOBS_NO_MATCH) + list(SORT BUILDKITE_JOBS_NO_MATCH COMPARE STRING) + list(JOIN BUILDKITE_JOBS_NO_MATCH " " BUILDKITE_JOBS_NO_MATCH) + message(WARNING "The following jobs were found, but did not match the group ID: ${BUILDKITE_JOBS_NO_MATCH}") +endif() + +if(BUILDKITE_JOBS_NO_ARTIFACTS) + list(SORT BUILDKITE_JOBS_NO_ARTIFACTS COMPARE STRING) + list(JOIN BUILDKITE_JOBS_NO_ARTIFACTS " " BUILDKITE_JOBS_NO_ARTIFACTS) + message(WARNING "The following jobs were found, but had no artifacts: ${BUILDKITE_JOBS_NO_ARTIFACTS}") +endif() + +if(BUILDKITE_JOBS_MATCH) + list(SORT BUILDKITE_JOBS_MATCH COMPARE STRING) + list(JOIN BUILDKITE_JOBS_MATCH " " BUILDKITE_JOBS_MATCH) + message(STATUS "The following jobs were found, and matched the group ID: ${BUILDKITE_JOBS_MATCH}") +endif() + +if(NOT BUILDKITE_JOBS_FAILED AND NOT BUILDKITE_JOBS_NOT_FOUND AND NOT BUILDKITE_JOBS_NO_MATCH AND NOT BUILDKITE_JOBS_NO_ARTIFACTS AND NOT BUILDKITE_JOBS_MATCH) + message(FATAL_ERROR "Something went wrong with Buildkite?") +endif() diff --git a/cmake/tools/SetupBun.cmake b/cmake/tools/SetupBun.cmake new file mode 100644 index 0000000000..ac2fa1f3e2 --- /dev/null +++ b/cmake/tools/SetupBun.cmake @@ -0,0 +1,23 @@ +include(Macros) + +find_command( + VARIABLE + BUN_EXECUTABLE + COMMAND + bun + PATHS + $ENV{HOME}/.bun/bin + VERSION + >=1.1.26 +) + +# If this is not set, some advanced features are not checked. +# https://github.com/oven-sh/bun/blob/cd7f6a1589db7f1e39dc4e3f4a17234afbe7826c/src/bun.js/javascript.zig#L1069-L1072 +setenv(BUN_GARBAGE_COLLECTOR_LEVEL 1) +setenv(BUN_FEATURE_FLAG_INTERNAL_FOR_TESTING 1) +setenv(BUN_DEBUG_QUIET_LOGS 1) + +# FIXME: https://github.com/oven-sh/bun/issues/11250 +if(NOT WIN32) + setenv(BUN_INSTALL_CACHE_DIR ${CACHE_PATH}/bun) +endif() diff --git a/cmake/tools/SetupCcache.cmake b/cmake/tools/SetupCcache.cmake new file mode 100644 index 0000000000..b3d12039b7 --- /dev/null +++ b/cmake/tools/SetupCcache.cmake @@ -0,0 +1,42 @@ +include(Macros) + +optionx(ENABLE_CCACHE BOOL "If ccache should be enabled" DEFAULT ON) + +if(NOT ENABLE_CCACHE OR CACHE_STRATEGY STREQUAL "none") + setenv(CCACHE_DISABLE 1) + return() +endif() + +find_command( + VARIABLE + CCACHE_PROGRAM + COMMAND + ccache + REQUIRED + ON +) + +set(CCACHE_ARGS CMAKE_C_COMPILER_LAUNCHER CMAKE_CXX_COMPILER_LAUNCHER) +foreach(arg ${CCACHE_ARGS}) + setx(${arg} ${CCACHE_PROGRAM}) + list(APPEND CMAKE_ARGS -D${arg}=${${arg}}) +endforeach() + +setenv(CCACHE_DIR ${CACHE_PATH}/ccache) +setenv(CCACHE_BASEDIR ${CWD}) +setenv(CCACHE_NOHASHDIR 1) + +if(CACHE_STRATEGY STREQUAL "read-only") + setenv(CCACHE_READONLY 1) +elseif(CACHE_STRATEGY STREQUAL "write-only") + setenv(CCACHE_RECACHE 1) +endif() + +setenv(CCACHE_FILECLONE 1) +setenv(CCACHE_STATSLOG ${BUILD_PATH}/ccache.log) + +if(CI) + setenv(CCACHE_SLOPPINESS "pch_defines,time_macros,locale,clang_index_store,gcno_cwd,include_file_ctime,include_file_mtime") +else() + setenv(CCACHE_SLOPPINESS "pch_defines,time_macros,locale,random_seed,clang_index_store,gcno_cwd") +endif() diff --git a/cmake/tools/SetupEsbuild.cmake b/cmake/tools/SetupEsbuild.cmake new file mode 100644 index 0000000000..f5364de45b --- /dev/null +++ b/cmake/tools/SetupEsbuild.cmake @@ -0,0 +1,22 @@ +include(Macros) + +if(CMAKE_HOST_WIN32) + setx(ESBUILD_EXECUTABLE ${CWD}/node_modules/.bin/esbuild.exe) +else() + setx(ESBUILD_EXECUTABLE ${CWD}/node_modules/.bin/esbuild) +endif() + +if(CMAKE_COLOR_DIAGNOSTICS) + set(ESBUILD_ARGS --color) +endif() + +register_command( + COMMAND + ${BUN_EXECUTABLE} + install + --frozen-lockfile + SOURCES + ${CWD}/package.json + OUTPUTS + ${ESBUILD_EXECUTABLE} +) diff --git a/cmake/tools/SetupLLVM.cmake b/cmake/tools/SetupLLVM.cmake new file mode 100644 index 0000000000..43c08cdb4e --- /dev/null +++ b/cmake/tools/SetupLLVM.cmake @@ -0,0 +1,67 @@ +include(Macros) + +if(CMAKE_HOST_WIN32 OR CMAKE_HOST_APPLE) + set(DEFAULT_LLVM_VERSION "18.1.8") +else() + set(DEFAULT_LLVM_VERSION "16.0.6") +endif() + +optionx(LLVM_VERSION STRING "The version of LLVM to use" DEFAULT ${DEFAULT_LLVM_VERSION}) +parse_semver(${LLVM_VERSION} LLVM) + +if(APPLE) + execute_process( + COMMAND brew --prefix llvm@${LLVM_VERSION_MAJOR} + OUTPUT_VARIABLE DEFAULT_LLVM_PREFIX + OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_QUIET + ) + if(NOT DEFAULT_LLVM_PREFIX) + set(DEFAULT_LLVM_PREFIX /opt/homebrew/opt/llvm) + endif() +elseif(NOT WIN32) + set(DEFAULT_LLVM_PREFIX /usr/lib/llvm-${LLVM_VERSION_MAJOR}) +else() + set(DEFAULT_LLVM_PREFIX /usr/lib) +endif() + +optionx(LLVM_PREFIX FILEPATH "The path to the LLVM installation" DEFAULT ${DEFAULT_LLVM_PREFIX}) +set(LLVM_PATH ${LLVM_PREFIX}/bin) + +macro(find_llvm_command VARIABLE COMMAND) + find_command( + VARIABLE ${VARIABLE} + COMMAND ${COMMAND} ${COMMAND}-${LLVM_VERSION_MAJOR} + PATHS ${LLVM_PATH} + VERSION ${LLVM_VERSION} + ) + list(APPEND CMAKE_ARGS -D${VARIABLE}=${${VARIABLE}}) +endmacro() + +macro(find_llvm_command_no_version VARIABLE COMMAND) + find_command( + VARIABLE ${VARIABLE} + COMMAND ${COMMAND} ${COMMAND}-${LLVM_VERSION_MAJOR} + PATHS ${LLVM_PATH} + REQUIRED ON + ) + list(APPEND CMAKE_ARGS -D${VARIABLE}=${${VARIABLE}}) +endmacro() + +if(WIN32) + find_llvm_command(CMAKE_C_COMPILER clang-cl) + find_llvm_command(CMAKE_CXX_COMPILER clang-cl) + find_llvm_command_no_version(CMAKE_LINKER lld-link) + find_llvm_command_no_version(CMAKE_AR llvm-lib) + find_llvm_command_no_version(CMAKE_STRIP llvm-strip) +else() + find_llvm_command(CMAKE_C_COMPILER clang) + find_llvm_command(CMAKE_CXX_COMPILER clang++) + find_llvm_command(CMAKE_LINKER llvm-link) + find_llvm_command(CMAKE_AR llvm-ar) + find_llvm_command(CMAKE_STRIP llvm-strip) + find_llvm_command(CMAKE_RANLIB llvm-ranlib) + if(APPLE) + find_llvm_command(CMAKE_DSYMUTIL dsymutil) + endif() +endif() diff --git a/cmake/tools/SetupMacSDK.cmake b/cmake/tools/SetupMacSDK.cmake new file mode 100644 index 0000000000..ae9d6823cd --- /dev/null +++ b/cmake/tools/SetupMacSDK.cmake @@ -0,0 +1,59 @@ +include(Macros) + +set(MIN_OSX_DEPLOYMENT_TARGET "13.0") + +if(DEFINED ENV{CI}) + set(DEFAULT_OSX_DEPLOYMENT_TARGET ${MIN_OSX_DEPLOYMENT_TARGET}) +else() + execute_process( + COMMAND xcrun --sdk macosx --show-sdk-version + OUTPUT_VARIABLE DEFAULT_OSX_DEPLOYMENT_TARGET + OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_VARIABLE DEFAULT_OSX_DEPLOYMENT_TARGET_ERROR + ERROR_STRIP_TRAILING_WHITESPACE + ) + if(DEFAULT_OSX_DEPLOYMENT_TARGET_ERROR) + message(WARNING "Failed to find macOS SDK version, did you run `xcode-select --install`?") + message(FATAL_ERROR ${DEFAULT_OSX_DEPLOYMENT_TARGET_ERROR}) + endif() +endif() + +optionx(CMAKE_OSX_DEPLOYMENT_TARGET STRING "The macOS SDK version to target" DEFAULT ${DEFAULT_OSX_DEPLOYMENT_TARGET}) + +if(CMAKE_OSX_DEPLOYMENT_TARGET VERSION_LESS ${MIN_OSX_DEPLOYMENT_TARGET}) + message(FATAL_ERROR "The target macOS SDK version, ${CMAKE_OSX_DEPLOYMENT_TARGET}, is older than the minimum supported version, ${MIN_OSX_DEPLOYMENT_TARGET}.") +endif() + +execute_process( + COMMAND sw_vers -productVersion + OUTPUT_VARIABLE MACOS_VERSION + OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_QUIET +) + +if(MACOS_VERSION VERSION_LESS ${CMAKE_OSX_DEPLOYMENT_TARGET}) + message(FATAL_ERROR "Your computer is running macOS ${MACOS_VERSION}, which is older than the target macOS SDK ${CMAKE_OSX_DEPLOYMENT_TARGET}. To fix this, either:\n" + " - Upgrade your computer to macOS ${CMAKE_OSX_DEPLOYMENT_TARGET} or newer\n" + " - Download a newer version of the macOS SDK from Apple: https://developer.apple.com/download/all/?q=xcode\n" + " - Set -DCMAKE_OSX_DEPLOYMENT_TARGET=${MACOS_VERSION}\n") +endif() + +execute_process( + COMMAND xcrun --sdk macosx --show-sdk-path + OUTPUT_VARIABLE DEFAULT_CMAKE_OSX_SYSROOT + OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_VARIABLE DEFAULT_CMAKE_OSX_SYSROOT_ERROR + ERROR_STRIP_TRAILING_WHITESPACE +) + +if(CMAKE_OSX_SYSROOT_ERROR) + message(WARNING "Failed to find macOS SDK path, did you run `xcode-select --install`?") + message(FATAL_ERROR ${CMAKE_OSX_SYSROOT_ERROR}) +endif() + +optionx(CMAKE_OSX_SYSROOT STRING "The macOS SDK path to target" DEFAULT ${DEFAULT_CMAKE_OSX_SYSROOT}) + +list(APPEND CMAKE_ARGS + -DCMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET} + -DCMAKE_OSX_SYSROOT=${CMAKE_OSX_SYSROOT} +) diff --git a/cmake/tools/SetupRust.cmake b/cmake/tools/SetupRust.cmake new file mode 100644 index 0000000000..45e9558aa1 --- /dev/null +++ b/cmake/tools/SetupRust.cmake @@ -0,0 +1,27 @@ +include(Macros) + +find_command( + VARIABLE + CARGO_EXECUTABLE + COMMAND + cargo + PATHS + $ENV{HOME}/.cargo/bin + REQUIRED + OFF +) + +if(EXISTS ${CARGO_EXECUTABLE}) + return() +endif() + +if(CMAKE_HOST_WIN32) + set(CARGO_INSTALL_COMMAND "choco install rust") +else() + set(CARGO_INSTALL_COMMAND "curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh") +endif() + +message(FATAL_ERROR "Command not found: cargo\n" + "Do you have Rust installed? To fix this, try running:\n" + " ${CARGO_INSTALL_COMMAND}\n" +) diff --git a/cmake/tools/SetupWebKit.cmake b/cmake/tools/SetupWebKit.cmake new file mode 100644 index 0000000000..ea2d9aef67 --- /dev/null +++ b/cmake/tools/SetupWebKit.cmake @@ -0,0 +1,134 @@ +include(Macros) + +optionx(WEBKIT_VERSION STRING "The version of WebKit to use" DEFAULT "147ed53838e21525677492c27099567a6cd19c6b") +optionx(WEBKIT_PREBUILT BOOL "If a pre-built version of WebKit should be used" DEFAULT ON) + +if(WEBKIT_PREBUILT) + set(DEFAULT_WEBKIT_PATH ${CACHE_PATH}/webkit) +else() + set(DEFAULT_WEBKIT_PATH ${CWD}/src/bun.js/WebKit) +endif() + +optionx(WEBKIT_PATH FILEPATH "The path to the WebKit directory" DEFAULT ${DEFAULT_WEBKIT_PATH}) + +setx(WEBKIT_INCLUDE_PATH ${WEBKIT_PATH}/include) +setx(WEBKIT_LIB_PATH ${WEBKIT_PATH}/lib) + +if(NOT WEBKIT_PREBUILT) + if(EXISTS ${WEBKIT_PATH}/cmakeconfig.h) + # You may need to run: + # make jsc-compile-debug jsc-copy-headers + include_directories( + ${WEBKIT_PATH} + ${WEBKIT_PATH}/JavaScriptCore/Headers/JavaScriptCore + ${WEBKIT_PATH}/JavaScriptCore/PrivateHeaders + ${WEBKIT_PATH}/bmalloc/Headers + ${WEBKIT_PATH}/WTF/Headers + ) + endif() + + # After this point, only prebuilt WebKit is supported + return() +endif() + +if(EXISTS ${WEBKIT_PATH}/package.json) + file(READ ${WEBKIT_PATH}/package.json WEBKIT_PACKAGE_JSON) + + if(WEBKIT_PACKAGE_JSON MATCHES ${WEBKIT_VERSION}) + return() + endif() +endif() + +if(WIN32) + set(WEBKIT_OS "windows") +elseif(APPLE) + set(WEBKIT_OS "macos") +elseif(UNIX) + set(WEBKIT_OS "linux") +else() + message(FATAL_ERROR "Unsupported operating system: ${CMAKE_SYSTEM_NAME}") +endif() + +if(CMAKE_SYSTEM_PROCESSOR MATCHES "arm64|aarch64") + set(WEBKIT_ARCH "arm64") +elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|x64|AMD64") + set(WEBKIT_ARCH "amd64") +else() + message(FATAL_ERROR "Unsupported architecture: ${CMAKE_SYSTEM_PROCESSOR}") +endif() + +if(DEBUG) + set(WEBKIT_SUFFIX "-debug") +elseif(ENABLE_LTO AND NOT WIN32) + set(WEBKIT_SUFFIX "-lto") +else() + set(WEBKIT_SUFFIX "") +endif() + +set(WEBKIT_NAME bun-webkit-${WEBKIT_OS}-${WEBKIT_ARCH}${WEBKIT_SUFFIX}) +set(WEBKIT_FILENAME ${WEBKIT_NAME}.tar.gz) +setx(WEBKIT_DOWNLOAD_URL https://github.com/oven-sh/WebKit/releases/download/autobuild-${WEBKIT_VERSION}/${WEBKIT_FILENAME}) + +file(DOWNLOAD ${WEBKIT_DOWNLOAD_URL} ${CACHE_PATH}/${WEBKIT_FILENAME}) +file(ARCHIVE_EXTRACT INPUT ${CACHE_PATH}/${WEBKIT_FILENAME} DESTINATION ${CACHE_PATH}) +file(REMOVE ${CACHE_PATH}/${WEBKIT_FILENAME}) +file(REMOVE_RECURSE ${WEBKIT_PATH}) +file(RENAME ${CACHE_PATH}/bun-webkit ${WEBKIT_PATH}) + +if(APPLE) + file(REMOVE_RECURSE ${WEBKIT_INCLUDE_PATH}/unicode) +endif() + +# --- WebKit --- +# WebKit is either prebuilt and distributed via NPM, or you can pass WEBKIT_PATH to use a local build. +# We cannot include their CMake build files (TODO: explain why, for now ask @paperdave why) +# +# On Unix, this will pull from NPM the single package that is needed and use that +# if(WIN32) +# set(STATIC_LIB_EXT "lib") +# set(libJavaScriptCore "JavaScriptCore") +# set(libWTF "WTF") +# else() +# set(STATIC_LIB_EXT "a") +# set(libJavaScriptCore "libJavaScriptCore") +# set(libWTF "libWTF") +# endif() + +# if(WEBKIT_PREBUILT) + +# elseif(WEBKIT_PATH STREQUAL "omit") + +# else() +# # Expected to be WebKit/WebKitBuild/${CMAKE_BUILD_TYPE} +# if(EXISTS "${WEBKIT_PATH}/cmakeconfig.h") +# # You may need to run: +# # make jsc-compile-debug jsc-copy-headers +# include_directories( +# "${WEBKIT_PATH}/" +# "${WEBKIT_PATH}/JavaScriptCore/Headers/JavaScriptCore" +# "${WEBKIT_PATH}/JavaScriptCore/PrivateHeaders" +# "${WEBKIT_PATH}/bmalloc/Headers" +# "${WEBKIT_PATH}/WTF/Headers" +# ) +# set(WEBKIT_LIB_DIR "${WEBKIT_PATH}/lib") + +# if(ENABLE_ASSERTIONS) +# add_compile_definitions("BUN_DEBUG=1") +# endif() + +# message(STATUS "Using WebKit from ${WEBKIT_PATH}") +# else() +# if(NOT EXISTS "${WEBKIT_PATH}/lib/${libWTF}.${STATIC_LIB_EXT}" OR NOT EXISTS "${WEBKIT_PATH}/lib/${libJavaScriptCore}.${STATIC_LIB_EXT}") +# if(WEBKIT_PATH MATCHES "src/bun.js/WebKit$") +# message(FATAL_ERROR "WebKit directory ${WEBKIT_PATH} does not contain all the required files for Bun. Did you forget to init submodules?") +# endif() + +# message(FATAL_ERROR "WebKit directory ${WEBKIT_PATH} does not contain all the required files for Bun. Expected a path to the oven-sh/WebKit repository, or a path to a folder containing `include` and `lib`.") +# endif() + +# set(WEBKIT_LIB_DIR "${WEBKIT_PATH}/lib") + +# message(STATUS "Using specified WebKit directory: ${WEBKIT_PATH}") +# message(STATUS "WebKit assertions: OFF") +# endif() +# endif() \ No newline at end of file diff --git a/cmake/tools/SetupZig.cmake b/cmake/tools/SetupZig.cmake new file mode 100644 index 0000000000..ab8ae4e5a7 --- /dev/null +++ b/cmake/tools/SetupZig.cmake @@ -0,0 +1,130 @@ +include(Macros) + +if(CMAKE_SYSTEM_PROCESSOR MATCHES "arm64|aarch64") + set(DEFAULT_ZIG_ARCH "aarch64") +elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|x64|AMD64") + set(DEFAULT_ZIG_ARCH "x86_64") +else() + message(FATAL_ERROR "Unsupported architecture: ${CMAKE_SYSTEM_PROCESSOR}") +endif() + +if(APPLE) + set(DEFAULT_ZIG_TARGET ${DEFAULT_ZIG_ARCH}-macos-none) +elseif(WIN32) + set(DEFAULT_ZIG_TARGET ${DEFAULT_ZIG_ARCH}-windows-msvc) +elseif(LINUX) + set(DEFAULT_ZIG_TARGET ${DEFAULT_ZIG_ARCH}-linux-gnu) +else() + message(FATAL_ERROR "Unsupported operating system: ${CMAKE_SYSTEM_NAME}") +endif() + +optionx(ZIG_TARGET STRING "The zig target to use" DEFAULT ${DEFAULT_ZIG_TARGET}) + +if(CMAKE_BUILD_TYPE STREQUAL "Release") + set(DEFAULT_ZIG_OPTIMIZE "ReleaseFast") +elseif(CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo") + set(DEFAULT_ZIG_OPTIMIZE "ReleaseSafe") +elseif(CMAKE_BUILD_TYPE STREQUAL "MinSizeRel") + set(DEFAULT_ZIG_OPTIMIZE "ReleaseSmall") +elseif(CMAKE_BUILD_TYPE STREQUAL "Debug") + set(DEFAULT_ZIG_OPTIMIZE "Debug") +endif() + +# Since Bun 1.1, Windows has been built using ReleaseSafe. +# This is because it caught more crashes, but we can reconsider this in the future +if(WIN32 AND DEFAULT_ZIG_OPTIMIZE STREQUAL "ReleaseFast") + set(DEFAULT_ZIG_OPTIMIZE "ReleaseSafe") +endif() + +optionx(ZIG_OPTIMIZE "ReleaseFast|ReleaseSafe|ReleaseSmall|Debug" "The Zig optimize level to use" DEFAULT ${DEFAULT_ZIG_OPTIMIZE}) + +# To use LLVM bitcode from Zig, more work needs to be done. Currently, an install of +# LLVM 18.1.7 does not compatible with what bitcode Zig 0.13 outputs (has LLVM 18.1.7) +# Change to "bc" to experiment, "Invalid record" means it is not valid output. +optionx(ZIG_OBJECT_FORMAT "obj|bc" "Output file format for Zig object files" DEFAULT obj) + +optionx(ZIG_VERSION STRING "The version of zig to use" DEFAULT "0.13.0") +optionx(ZIG_LOCAL_CACHE_DIR FILEPATH "The path to local the zig cache directory" DEFAULT ${CACHE_PATH}/zig/local) +optionx(ZIG_GLOBAL_CACHE_DIR FILEPATH "The path to the global zig cache directory" DEFAULT ${CACHE_PATH}/zig/global) +optionx(ZIG_BIN_CACHE_DIR FILEPATH "The path to the zig binary cache directory" DEFAULT ${CACHE_PATH}/zig/bin) +optionx(ZIG_REPOSITORY_PATH FILEPATH "The path to the Zig repository" DEFAULT ${CWD}/src/deps/zig) + +register_repository( + NAME + zig + REPOSITORY + oven-sh/zig + COMMIT + 131a009ba2eb127a3447d05b9e12f710429aa5ee + PATH + ${ZIG_REPOSITORY_PATH} +) + +setenv(ZIG_LOCAL_CACHE_DIR ${ZIG_LOCAL_CACHE_DIR}) +setenv(ZIG_GLOBAL_CACHE_DIR ${ZIG_GLOBAL_CACHE_DIR}) + +set(CMAKE_ZIG_FLAGS + --cache-dir ${ZIG_LOCAL_CACHE_DIR} + --global-cache-dir ${ZIG_GLOBAL_CACHE_DIR} + --zig-lib-dir ${ZIG_REPOSITORY_PATH}/lib +) + +find_command( + VARIABLE + CMAKE_ZIG_COMPILER + COMMAND + zig + zig.exe + PATHS + ${ZIG_BIN_CACHE_DIR} + VERSION + ${ZIG_VERSION} + REQUIRED + OFF +) + +if(NOT CMAKE_ZIG_COMPILER MATCHES "NOTFOUND") + return() +endif() + +if(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "arm64|aarch64") + set(ZIG_HOST_ARCH "aarch64") +elseif(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|x64|AMD64") + set(ZIG_HOST_ARCH "x86_64") +else() + message(FATAL_ERROR "Unsupported architecture: ${CMAKE_HOST_SYSTEM_PROCESSOR}") +endif() + +if(CMAKE_HOST_APPLE) + set(ZIG_HOST_OS "macos") +elseif(CMAKE_HOST_WIN32) + set(ZIG_HOST_OS "windows") +elseif(CMAKE_HOST_UNIX) + set(ZIG_HOST_OS "linux") +else() + message(FATAL_ERROR "Unsupported operating system: ${CMAKE_HOST_SYSTEM_NAME}") +endif() + +set(ZIG_NAME zig-${ZIG_HOST_OS}-${ZIG_HOST_ARCH}-${ZIG_VERSION}) + +if(CMAKE_HOST_WIN32) + set(ZIG_EXE "zig.exe") + set(ZIG_FILENAME ${ZIG_NAME}.zip) +else() + set(ZIG_EXE "zig") + set(ZIG_FILENAME ${ZIG_NAME}.tar.xz) +endif() + +setx(ZIG_DOWNLOAD_URL https://ziglang.org/download/${ZIG_VERSION}/${ZIG_FILENAME}) + +file(DOWNLOAD ${ZIG_DOWNLOAD_URL} ${ZIG_BIN_CACHE_DIR}/${ZIG_FILENAME}) +file(ARCHIVE_EXTRACT INPUT ${ZIG_BIN_CACHE_DIR}/${ZIG_FILENAME} DESTINATION ${ZIG_BIN_CACHE_DIR}) +file(REMOVE ${ZIG_BIN_CACHE_DIR}/${ZIG_FILENAME}) +file(COPY ${ZIG_BIN_CACHE_DIR}/${ZIG_NAME}/${ZIG_EXE} DESTINATION ${ZIG_BIN_CACHE_DIR}) +file(REMOVE_RECURSE ${ZIG_BIN_CACHE_DIR}/${ZIG_NAME}) +file(CHMOD ${ZIG_BIN_CACHE_DIR}/${ZIG_EXE} PERMISSIONS OWNER_EXECUTE) +setx(CMAKE_ZIG_COMPILER ${ZIG_BIN_CACHE_DIR}/${ZIG_EXE}) + +if(NOT WIN32) + file(CREATE_LINK ${ZIG_BIN_CACHE_DIR}/${ZIG_EXE} ${ZIG_BIN_CACHE_DIR}/zig.exe SYMBOLIC) +endif() diff --git a/package.json b/package.json index d8f239e0f4..3779140ba2 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,7 @@ { "private": true, "name": "bun", + "version": "1.1.28", "workspaces": [ "./packages/bun-types" ], @@ -26,31 +27,32 @@ "bun-types": "workspace:packages/bun-types" }, "scripts": { - "setup": "./scripts/setup.sh", - "bump": "bun ./scripts/bump.ts", - "build": "if [ ! -e build ]; then bun setup; fi && ninja -C build", - "build:valgrind": "cmake . -DZIG_OPTIMIZE=Debug -DUSE_DEBUG_JSC=ON -DCMAKE_BUILD_TYPE=Debug -GNinja -Bbuild-valgrind && ninja -Cbuild-valgrind", - "build:tidy": "bash ./scripts/env.sh && BUN_SILENT=1 cmake --log-level=WARNING . ${CMAKE_FLAGS[@]} -DZIG_OPTIMIZE=Debug -DUSE_DEBUG_JSC=ON -DBUN_TIDY_ONLY=ON -DCMAKE_BUILD_TYPE=Debug -GNinja -Bbuild-tidy && BUN_SILENT=1 ninja -Cbuild-tidy", - "build:tidy-extra": "cmake . -DZIG_OPTIMIZE=Debug -DUSE_DEBUG_JSC=ON -DBUN_TIDY_ONLY_EXTRA=ON -DCMAKE_BUILD_TYPE=Debug -GNinja -Bbuild-tidy && ninja -Cbuild-tidy", - "build:release": "cmake . -DCMAKE_BUILD_TYPE=Release -GNinja -Bbuild-release && ninja -Cbuild-release", + "build": "bun ./scripts/build.mjs -GNinja -DCMAKE_BUILD_TYPE=Debug -B build/debug", + "build:debug": "bun run build", + "build:valgrind": "bun ./scripts/build.mjs -GNinja -DCMAKE_BUILD_TYPE=Debug -DENABLE_BASELINE=ON -ENABLE_VALGRIND=ON -B build/debug-valgrind", + "build:release": "bun ./scripts/build.mjs -GNinja -DCMAKE_BUILD_TYPE=Release -B build/release", + "build:ci": "bun ./scripts/build.mjs -GNinja -DCMAKE_BUILD_TYPE=Release -DCMAKE_VERBOSE_MAKEFILE=ON -DCI=true -B build/release-ci --verbose", + "build:assert": "bun ./scripts/build.mjs -GNinja -DCMAKE_BUILD_TYPE=RelWithDebInfo -DENABLE_ASSERTIONS=ON -DENABLE_LOGS=ON -B build/release-assert", + "build:logs": "bun ./scripts/build.mjs -GNinja -DCMAKE_BUILD_TYPE=Release -DENABLE_LOGS=ON -B build/release-logs", + "build:safe": "bun ./scripts/build.mjs -GNinja -DCMAKE_BUILD_TYPE=Release -DZIG_OPTIMIZE=ReleaseSafe -B build/release-safe", + "build:smol": "bun ./scripts/build.mjs -GNinja -DCMAKE_BUILD_TYPE=MinSizeRel -B build/release-smol", "build:release:local": "cmake . -DCMAKE_BUILD_TYPE=Release -DWEBKIT_DIR=$(pwd)/src/bun.js/WebKit/WebKitBuild/Release -GNinja -Bbuild-release-local && ninja -Cbuild-release-local", "build:release:with_logs": "cmake . -DCMAKE_BUILD_TYPE=Release -DENABLE_LOGS=true -GNinja -Bbuild-release && ninja -Cbuild-release", "build:debug-zig-release": "cmake . -DCMAKE_BUILD_TYPE=Release -DZIG_OPTIMIZE=Debug -GNinja -Bbuild-debug-zig-release && ninja -Cbuild-debug-zig-release", - "build:safe": "cmake . -DZIG_OPTIMIZE=ReleaseSafe -DUSE_DEBUG_JSC=ON -DCMAKE_BUILD_TYPE=Release -GNinja -Bbuild-safe && ninja -Cbuild-safe", - "build:windows": "cmake -B build -S . -G Ninja -DCMAKE_BUILD_TYPE=Debug && ninja -Cbuild", - "build:windows:release": "cmake -B build-release -S . -G Ninja -DCMAKE_BUILD_TYPE=Release && ninja -Cbuild-release", + "bump": "bun ./scripts/bump.ts", "typecheck": "tsc --noEmit && cd test && bun run typecheck", "fmt": "prettier --config=.prettierrc-ci --write --cache './{.vscode,src,test,bench,packages/{bun-types,bun-inspector-*,bun-vscode,bun-debug-adapter-protocol}}/**/*.{mjs,ts,tsx,js,jsx}'", - "fmt:zig": "zig fmt src/*.zig src/*/*.zig src/*/*/*.zig src/*/*/*/*.zig", "fmt:cpp": "clang-format -i src/bun.js/bindings/**/*.{cpp,h} --verbose", + "fmt:zig": "bun run zig:fmt", "lint": "eslint './**/*.d.ts' --cache", "lint:fix": "eslint './**/*.d.ts' --cache --fix", "test": "node scripts/runner.node.mjs ./build/bun-debug", "test:release": "node scripts/runner.node.mjs ./build-release/bun", "banned": "bun packages/bun-internal-test/src/linter.ts", - "zig-check": ".cache/zig/zig.exe build check --summary new", - "zig-check-all": ".cache/zig/zig.exe build check-all --summary new", - "zig-check-windows": ".cache/zig/zig.exe build check-windows --summary new", - "zig": ".cache/zig/zig.exe " + "zig": "build/debug/cache/zig/bin/zig.exe", + "zig:fmt": "bun run zig fmt src/*.zig src/*/*.zig src/*/*/*.zig src/*/*/*/*.zig", + "zig:check": "bun run zig build check --summary new", + "zig:check-all": "bun run zig build check-all --summary new", + "zig:check-windows": "bun run zig build check-windows --summary new" } } diff --git a/packages/bun-error/bun.lockb b/packages/bun-error/bun.lockb deleted file mode 100755 index 144d2a4859..0000000000 Binary files a/packages/bun-error/bun.lockb and /dev/null differ diff --git a/patches/tinycc/CMakeLists.txt b/patches/tinycc/CMakeLists.txt new file mode 100644 index 0000000000..971f0952ad --- /dev/null +++ b/patches/tinycc/CMakeLists.txt @@ -0,0 +1,137 @@ +# TODO: Commit to oven-sh/tinycc + +cmake_minimum_required(VERSION 3.10) +project(tinycc VERSION 0.9.28 LANGUAGES C) + +if(NOT CMAKE_BUILD_TYPE) + set(CMAKE_BUILD_TYPE Debug) +endif() + +set(CMAKE_C_STANDARD 99) +set(CMAKE_C_STANDARD_REQUIRED ON) + +if(WIN32) + set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON) +endif() + +add_compile_options(-Wall) + +if(NOT CMAKE_C_COMPILER_ID MATCHES "tcc") + add_compile_options( + -fno-strict-aliasing + -Wdeclaration-after-statement + -Wpointer-sign + -Wsign-compare + -Wunused-result + -Wformat-truncation + ) +endif() + +if(CMAKE_C_COMPILER_ID MATCHES "GNU") + add_compile_options( + -fheinous-gnu-extensions + -Wno-string-plus-int + -Wno-deprecated-declarations + ) +endif() + +add_compile_definitions( + CONFIG_TCC_PREDEFS + ONE_SOURCE=0 + TCC_LIBTCC1="\\0" +) + +if(APPLE) + add_compile_definitions( + TCC_TARGET_MACHO + CONFIG_CODESIGN + CONFIG_NEW_MACHO + CONFIG_USR_INCLUDE=\"${CMAKE_OSX_SYSROOT}\" + ) +endif() + +if(WIN32) + add_compile_definitions( + CONFIG_WIN32 + CONFIG_TCCDIR=\"${CMAKE_CURRENT_SOURCE_DIR}/win32\" + ) +endif() + +file(READ ${CMAKE_CURRENT_SOURCE_DIR}/VERSION TCC_VERSION) + +add_compile_definitions(TCC_VERSION=\"${TCC_VERSION}\") + +execute_process( + COMMAND git rev-parse --short HEAD + OUTPUT_VARIABLE TCC_GITHASH + OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_QUIET +) + +if(TCC_GITHASH) + add_compile_definitions(TCC_GITHASH=\"${TCC_GITHASH}\") +endif() + +set(TCC_SOURCES + libtcc.c + tccpp.c + tccgen.c + tccdbg.c + tccelf.c + tccasm.c + tccrun.c +) + +if(CMAKE_SYSTEM_PROCESSOR MATCHES "arm64|aarch64|ARM64") + list(APPEND TCC_SOURCES + arm64-gen.c + arm64-link.c + arm64-asm.c + ) +elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64|x64|amd64|AMD64") + list(APPEND TCC_SOURCES + x86_64-gen.c + x86_64-link.c + i386-asm.c + ) +else() + message(FATAL_ERROR "Unsupported architecture: ${CMAKE_SYSTEM_PROCESSOR}") +endif() + +if(APPLE) + list(APPEND TCC_SOURCES tccmacho.c) +endif() + +if(WIN32) + list(APPEND TCC_SOURCES tccpe.c) +endif() + +add_executable(c2str.exe conftest.c) +target_compile_options(c2str.exe PRIVATE -DC2STR) + +add_custom_command( + TARGET + c2str.exe POST_BUILD + COMMAND + c2str.exe include/tccdefs.h tccdefs_.h + WORKING_DIRECTORY + ${CMAKE_CURRENT_SOURCE_DIR} +) + +add_library(tcc STATIC ${TCC_SOURCES}) + +add_custom_command( + TARGET + tcc PRE_BUILD + COMMAND + ${CMAKE_COMMAND} -E touch config.h + WORKING_DIRECTORY + ${CMAKE_CURRENT_SOURCE_DIR} +) + +add_dependencies(tcc c2str.exe) + +target_include_directories(tcc PUBLIC + ${CMAKE_CURRENT_SOURCE_DIR} + ${CMAKE_CURRENT_SOURCE_DIR}/include +) diff --git a/patches/tinycc/tcc.h.patch b/patches/tinycc/tcc.h.patch new file mode 100644 index 0000000000..d31eeceb30 --- /dev/null +++ b/patches/tinycc/tcc.h.patch @@ -0,0 +1,12 @@ +--- tcc.h ++++ tcc.h +@@ -23,7 +23,9 @@ + + #define _GNU_SOURCE + #define _DARWIN_C_SOURCE ++#if __has_include("config.h") + #include "config.h" ++#endif + + #include + #include diff --git a/patches/zlib/deflate.h.patch b/patches/zlib/deflate.h.patch new file mode 100644 index 0000000000..91eca4c8bf --- /dev/null +++ b/patches/zlib/deflate.h.patch @@ -0,0 +1,26 @@ +--- deflate.h ++++ deflate.h +@@ -326,23 +326,7 @@ extern const uint8_t ZLIB_INTERNAL _dist_code[]; + flush = (s->sym_next == s->sym_end); \ + } + +-#ifdef _MSC_VER +- +-/* MSC doesn't have __builtin_expect. Just ignore likely/unlikely and +- hope the compiler optimizes for the best. +-*/ +-#define likely(x) (x) +-#define unlikely(x) (x) +- +-int __inline __builtin_ctzl(unsigned long mask) +-{ +- unsigned long index ; +- +- return _BitScanForward(&index, mask) == 0 ? 32 : ((int)index) ; +-} +-#else + #define likely(x) __builtin_expect((x),1) + #define unlikely(x) __builtin_expect((x),0) +-#endif + + #endif /* DEFLATE_H */ diff --git a/scripts/all-dependencies.ps1 b/scripts/all-dependencies.ps1 deleted file mode 100755 index 7137616b07..0000000000 --- a/scripts/all-dependencies.ps1 +++ /dev/null @@ -1,92 +0,0 @@ -param( - [Alias("f")][switch]$Force = $false -) - -$ErrorActionPreference = 'Stop' - -. (Join-Path $PSScriptRoot "env.ps1") -if ($env:CI -eq "true") { - & (Join-Path $PSScriptRoot "update-submodules.ps1") -} - -if ($env:RELEASE -eq "1") { - $Force = $true -} - -$DidAnything = $false; - -function Build-Dependency { - param( - $Script, - [string[]]$Outputs - ) - - $ScriptPath = Join-Path $PSScriptRoot "build-$Script.ps1" - - if (!$Force) { - foreach ($Output in $Outputs) { - $OutputPath = Join-Path $BUN_DEPS_OUT_DIR $Output - if (Test-Path $OutputPath) { - Write-Host "$Script - already built" - return - } - } - } - else { - Remove-Item $Outputs -ErrorAction SilentlyContinue - } - - Write-Host "$Script - Building" - Push-Location $PSScriptRoot - try { - & $ScriptPath - } - catch { - Write-Host "Failed to build $Script" - throw $_ - } - finally { - Pop-Location - } - - $Script:DidAnything = $true -} - -Build-Dependency ` - -Script "boringssl" ` - -Outputs @("crypto.lib", "ssl.lib", "decrepit.lib") -Build-Dependency ` - -Script "cares" ` - -Outputs @("cares.lib") -Build-Dependency ` - -Script "zlib" ` - -Outputs @("zlib.lib") -Build-Dependency ` - -Script "libarchive" ` - -Outputs @("archive.lib") -Build-Dependency ` - -Script "lolhtml" ` - -Outputs @("lolhtml.lib") -Build-Dependency ` - -Script "mimalloc" ` - -Outputs @("mimalloc.lib") -Build-Dependency ` - -Script "tinycc" ` - -Outputs @("tcc.lib") -Build-Dependency ` - -Script "zstd" ` - -Outputs @("zstd.lib") -Build-Dependency ` - -Script "libuv" ` - -Outputs @("libuv.lib") -Build-Dependency ` - -Script "lshpack" ` - -Outputs @("lshpack.lib") - -Build-Dependency ` - -Script "libdeflate" ` - -Outputs @("deflate.lib") - -if (!($Script:DidAnything)) { - Write-Host "(run with -Force to rebuild all)" -} diff --git a/scripts/all-dependencies.sh b/scripts/all-dependencies.sh deleted file mode 100755 index d86a898e9a..0000000000 --- a/scripts/all-dependencies.sh +++ /dev/null @@ -1,109 +0,0 @@ -#!/usr/bin/env bash -set -euo pipefail -source "$(dirname -- "${BASH_SOURCE[0]}")/env.sh" - -RELEASE="${RELEASE:-0}" -CI="${CI:-}" -BUILT_ANY=0 -SUBMODULES= -CACHE_DIR= -CACHE=0 -BUN_DEPS_CACHE_DIR="${BUN_DEPS_CACHE_DIR:-}" - -if [[ "$CI" ]]; then - $(dirname -- "${BASH_SOURCE[0]}")/update-submodules.sh -fi - -FORCE= - -while getopts "f" opt; do - case ${opt} in - f) - FORCE=1 - ;; - \?) - echo "Usage: all-dependencies.sh [-h] [-f]" - echo "Options:" - echo " h Print this help message" - echo " f Set force to 1" - exit 1 - ;; - esac -done - -if [ "$RELEASE" == "1" ]; then - FORCE=1 -elif [ -n "$BUN_DEPS_CACHE_DIR" ]; then - CACHE_DIR="$BUN_DEPS_CACHE_DIR" - CACHE=1 - SUBMODULES="$(git submodule status)" -fi - -dep() { - local submodule="$1" - local script="$2" - if [ "$CACHE" == "1" ]; then - local hash="$(echo "$SUBMODULES" | grep "$submodule" | awk '{print $1}')" - local os="$(uname -s | tr '[:upper:]' '[:lower:]')" - local arch="$(uname -m)" - CACHE_KEY="$submodule/$hash-$os-$arch-$CPU_TARGET" - mkdir -p "$CACHE_DIR/$CACHE_KEY" - fi - if [ -z "$FORCE" ]; then - HAS_ALL_DEPS=1 - shift - for lib in "${@:2}"; do - if [ ! -f "$BUN_DEPS_OUT_DIR/$lib" ]; then - if [[ "$CACHE" == "1" && -f "$CACHE_DIR/$CACHE_KEY/$lib" && "$script" != "libarchive" ]]; then - mkdir -p "$BUN_DEPS_OUT_DIR" - cp "$CACHE_DIR/$CACHE_KEY/$lib" "$BUN_DEPS_OUT_DIR/$lib" - printf "%s %s - already cached\n" "$script" "$lib" - else - HAS_ALL_DEPS=0 - break - fi - fi - done - if [ "$HAS_ALL_DEPS" == "1" ]; then - printf "%s - already built\n" "$script" - return - fi - fi - printf "building %s\n" "$script" - - set +e - bash "$SCRIPT_DIR/build-$script.sh" - EXIT=$? - set -e - - if [ "$EXIT" -ne 0 ]; then - printf "Failed to build %s\n" "$script" - exit "$EXIT" - fi - - if [ "$CACHE" == "1" ]; then - mkdir -p "$CACHE_DIR/$CACHE_KEY" - for lib in "${@:2}"; do - cp "$BUN_DEPS_OUT_DIR/$lib" "$CACHE_DIR/$CACHE_KEY/$lib" - printf "%s %s - cached\n" "$script" "$lib" - done - fi - - BUILT_ANY=1 -} - -dep boringssl boringssl libcrypto.a libssl.a libdecrepit.a -dep c-ares cares libcares.a -dep zlib zlib libz.a # Zlib must come before libarchive. -dep libarchive libarchive libarchive.a -dep lol-html lolhtml liblolhtml.a -dep mimalloc mimalloc-debug libmimalloc-debug.a libmimalloc-debug.o -dep mimalloc mimalloc libmimalloc.a libmimalloc.o -dep tinycc tinycc libtcc.a -dep zstd zstd libzstd.a -dep libdeflate libdeflate libdeflate.a -dep ls-hpack lshpack liblshpack.a - -if [ "$BUILT_ANY" -eq 0 ]; then - printf "(run with -f to rebuild)\n" -fi diff --git a/scripts/build-boringssl.ps1 b/scripts/build-boringssl.ps1 deleted file mode 100755 index 5a48215f4b..0000000000 --- a/scripts/build-boringssl.ps1 +++ /dev/null @@ -1,16 +0,0 @@ -$ErrorActionPreference = 'Stop' # Setting strict mode, similar to 'set -euo pipefail' in bash -. (Join-Path $PSScriptRoot "env.ps1") - -Push-Location (Join-Path $BUN_DEPS_DIR 'boringssl') -try { - Remove-Item -ErrorAction SilentlyContinue -Recurse -Force build - Set-Location (mkdir -Force build) - - Run cmake @CMAKE_FLAGS .. - Run cmake --build . --target crypto --target ssl --target decrepit --clean-first --config Release - - Copy-Item crypto/crypto.lib $BUN_DEPS_OUT_DIR - Copy-Item ssl/ssl.lib $BUN_DEPS_OUT_DIR - Copy-Item decrepit/decrepit.lib $BUN_DEPS_OUT_DIR - Write-Host "-> crypto.lib, ssl.lib, decrepit.lib" -} finally { Pop-Location } diff --git a/scripts/build-boringssl.sh b/scripts/build-boringssl.sh deleted file mode 100755 index 34749705e1..0000000000 --- a/scripts/build-boringssl.sh +++ /dev/null @@ -1,14 +0,0 @@ -#!/usr/bin/env bash -set -exo pipefail -source $(dirname -- "${BASH_SOURCE[0]}")/env.sh - -cd $BUN_DEPS_DIR/boringssl -mkdir -p build -cd build - -cmake "${CMAKE_FLAGS[@]}" -GNinja .. -ninja libcrypto.a libssl.a libdecrepit.a - -cp **/libcrypto.a $BUN_DEPS_OUT_DIR/libcrypto.a -cp **/libssl.a $BUN_DEPS_OUT_DIR/libssl.a -cp **/libdecrepit.a $BUN_DEPS_OUT_DIR/libdecrepit.a diff --git a/scripts/build-bun-cpp.ps1 b/scripts/build-bun-cpp.ps1 deleted file mode 100755 index d01bf7da38..0000000000 --- a/scripts/build-bun-cpp.ps1 +++ /dev/null @@ -1,29 +0,0 @@ -$ErrorActionPreference = 'Stop' # Setting strict mode, similar to 'set -euo pipefail' in bash - -. (Join-Path $PSScriptRoot "env.ps1") -if ($env:CI -eq "true") { - $env:FORCE_UPDATE_SUBMODULES = "1" - & (Join-Path $PSScriptRoot "update-submodules.ps1") - & (Join-Path $PSScriptRoot "build-libuv.ps1") -CloneOnly $True -} - -cd build -cmake .. @CMAKE_FLAGS ` - -G Ninja ` - -DCMAKE_BUILD_TYPE=Release ` - -DNO_CODEGEN=0 ` - -DNO_CONFIGURE_DEPENDS=1 ` - -DBUN_CPP_ONLY=1 -if ($LASTEXITCODE -ne 0) { throw "CMake configuration failed" } - -.\compile-cpp-only.ps1 -v -j $env:CPUS -if ($LASTEXITCODE -ne 0) { throw "C++ compilation failed" } - -# HACK: For some reason, the buildkite agent is hanging when uploading bun-cpp-objects.a -# Best guess is that there is an issue when uploading files larger than 500 MB -# -# For now, use FileSplitter to split the file into smaller chunks: -# https://www.powershellgallery.com/packages/FileSplitter/1.3 -if ($env:BUILDKITE) { - Split-File -Path (Resolve-Path "bun-cpp-objects.a") -PartSizeBytes "50MB" -Verbose -} diff --git a/scripts/build-cares.ps1 b/scripts/build-cares.ps1 deleted file mode 100755 index c5d364fde3..0000000000 --- a/scripts/build-cares.ps1 +++ /dev/null @@ -1,16 +0,0 @@ -$ErrorActionPreference = 'Stop' # Setting strict mode, similar to 'set -euo pipefail' in bash -. (Join-Path $PSScriptRoot "env.ps1") - -Push-Location (Join-Path $BUN_DEPS_DIR 'c-ares') -try { - Set-Location (mkdir -Force build) - - Run cmake @CMAKE_FLAGS -DCARES_STATIC=ON -DCARES_SHARED=OFF .. - Run cmake --build . --clean-first --config Release - - Copy-Item lib\cares.lib $BUN_DEPS_OUT_DIR - Write-Host "-> cares.lib" -} -finally { - Pop-Location -} diff --git a/scripts/build-cares.sh b/scripts/build-cares.sh deleted file mode 100755 index 575a4da3d1..0000000000 --- a/scripts/build-cares.sh +++ /dev/null @@ -1,24 +0,0 @@ -#!/usr/bin/env bash -set -exo pipefail - -export FORCE_PIC=1 -source $(dirname -- "${BASH_SOURCE[0]}")/env.sh - -cd $BUN_DEPS_DIR/c-ares - -rm -rf build CMakeCache.txt CMakeFiles -mkdir -p build - -cd build - -cmake "${CMAKE_FLAGS[@]}" .. \ - -DCMAKE_INSTALL_LIBDIR=lib \ - -DCARES_STATIC=ON \ - -DCARES_STATIC_PIC=OFF \ - -DCARES_SHARED=OFF \ - -DCARES_BUILD_TOOLS=ON \ - -G "Ninja" - -ninja - -cp lib/libcares.a $BUN_DEPS_OUT_DIR/libcares.a diff --git a/scripts/build-libarchive.ps1 b/scripts/build-libarchive.ps1 deleted file mode 100755 index 43bd0a2bab..0000000000 --- a/scripts/build-libarchive.ps1 +++ /dev/null @@ -1,17 +0,0 @@ -$ErrorActionPreference = 'Stop' # Setting strict mode, similar to 'set -euo pipefail' in bash -. (Join-Path $PSScriptRoot "env.ps1") - -Push-Location (Join-Path $BUN_DEPS_DIR 'libarchive') -try { - Remove-Item -Recurse -Force libarchive-build -ErrorAction SilentlyContinue - Set-Location (mkdir -Force libarchive-build) - - Run cmake @CMAKE_FLAGS -DBUILD_SHARED_LIBS=0 -DENABLE_BZIP2=0 -DENABLE_CAT=0 -DENABLE_EXPAT=0 -DENABLE_ICONV=0 -DENABLE_INSTALL=0 -DENABLE_LIBB2=0 -DENABLE_LibGCC=0 -DENABLE_LIBXML2=0 -DENABLE_LZ4=0 -DENABLE_LZMA=0 -DENABLE_LZO=0 -DENABLE_MBEDTLS=0 -DENABLE_NETTLE=0 -DENABLE_OPENSSL=0 -DENABLE_PCRE2POSIX=0 -DENABLE_PCREPOSIX=0 -DENABLE_TEST=0 -DENABLE_WERROR=0 -DENABLE_ZLIB=0 -DENABLE_ZSTD=0 -DHAVE_ZLIB_H=1 .. - Run cmake --build . --clean-first --config Release --verbose --target archive_static - - Copy-Item libarchive\archive.lib $BUN_DEPS_OUT_DIR\archive.lib - Write-Host "-> archive.lib" -} -finally { - Pop-Location -} diff --git a/scripts/build-libarchive.sh b/scripts/build-libarchive.sh deleted file mode 100755 index 1830231a05..0000000000 --- a/scripts/build-libarchive.sh +++ /dev/null @@ -1,40 +0,0 @@ -#!/usr/bin/env bash -set -exo pipefail -export FORCE_PIC=1 -source $(dirname -- "${BASH_SOURCE[0]}")/env.sh - -mkdir -p $BUN_DEPS_OUT_DIR - -cd $BUN_DEPS_DIR/libarchive -# Libarchive has a "build" folder which we must not use -rm -rf libarchive-build -mkdir -p libarchive-build -cd libarchive-build -cmake $CMAKE_FLAGS \ - -DBUILD_SHARED_LIBS=0 \ - -DENABLE_BZIP2=0 \ - -DENABLE_CAT=0 \ - -DENABLE_EXPAT=0 \ - -DENABLE_ICONV=0 \ - -DENABLE_INSTALL=0 \ - -DENABLE_LIBB2=0 \ - -DENABLE_LibGCC=0 \ - -DENABLE_LIBXML2=0 \ - -DENABLE_LZ4=0 \ - -DENABLE_LZMA=0 \ - -DENABLE_LZO=0 \ - -DENABLE_MBEDTLS=0 \ - -DENABLE_NETTLE=0 \ - -DENABLE_OPENSSL=0 \ - -DENABLE_PCRE2POSIX=0 \ - -DENABLE_PCREPOSIX=0 \ - -DENABLE_TEST=0 \ - -DENABLE_WERROR=0 \ - -DENABLE_ZLIB=0 \ - -DENABLE_ZSTD=0 \ - -DHAVE_ZLIB_H=1 \ - -GNinja \ - -B . -S .. -cmake --build . --target libarchive.a --config Release -- -j$CPUS - -cp ./libarchive/libarchive.a $BUN_DEPS_OUT_DIR/libarchive.a diff --git a/scripts/build-libdeflate.ps1 b/scripts/build-libdeflate.ps1 deleted file mode 100644 index 1d9b9b957b..0000000000 --- a/scripts/build-libdeflate.ps1 +++ /dev/null @@ -1,16 +0,0 @@ -$ErrorActionPreference = 'Stop' # Setting strict mode, similar to 'set -euo pipefail' in bash -. (Join-Path $PSScriptRoot "env.ps1") - -Push-Location (Join-Path $BUN_DEPS_DIR 'libdeflate') -try { - Remove-Item CMakeCache.txt, CMakeFiles, build -Recurse -ErrorAction SilentlyContinue - mkdir -Force build - - Run cmake -S "." -B build @CMAKE_FLAGS -DLIBDEFLATE_BUILD_STATIC_LIB=ON -DLIBDEFLATE_BUILD_SHARED_LIB=OFF -DLIBDEFLATE_BUILD_GZIP=OFF - Run cmake --build build --clean-first --config Release - - # In https://github.com/ebiggers/libdeflate/releases/tag/v1.20, it's outputting libdeflate.a even on Windows - Copy-Item build/deflatestatic.lib $BUN_DEPS_OUT_DIR/deflate.lib - Write-Host "-> deflate.lib" -} finally { Pop-Location } - diff --git a/scripts/build-libdeflate.sh b/scripts/build-libdeflate.sh deleted file mode 100755 index 0bfd2cb565..0000000000 --- a/scripts/build-libdeflate.sh +++ /dev/null @@ -1,10 +0,0 @@ -#!/usr/bin/env bash -set -exo pipefail -source $(dirname -- "${BASH_SOURCE[0]}")/env.sh - -mkdir -p $BUN_DEPS_OUT_DIR -cd $BUN_DEPS_DIR/libdeflate -rm -rf build CMakeCache.txt CMakeFiles -cmake "${CMAKE_FLAGS[@]}" -DLIBDEFLATE_BUILD_STATIC_LIB=ON -DLIBDEFLATE_BUILD_SHARED_LIB=OFF -DLIBDEFLATE_BUILD_GZIP=OFF -B build -S . -G Ninja -ninja libdeflate.a -C build -cp build/libdeflate.a $BUN_DEPS_OUT_DIR/libdeflate.a diff --git a/scripts/build-libuv.ps1 b/scripts/build-libuv.ps1 deleted file mode 100755 index 82adfa8449..0000000000 --- a/scripts/build-libuv.ps1 +++ /dev/null @@ -1,46 +0,0 @@ -param( - [bool] $CloneOnly = $false -) - -$ErrorActionPreference = 'Stop' # Setting strict mode, similar to 'set -euo pipefail' in bash -. (Join-Path $PSScriptRoot "env.ps1") -$CWD = Get-Location - -$Source = (Join-Path $PSScriptRoot "../src/deps/libuv") -$Commit = "da527d8d2a908b824def74382761566371439003" - -if (!(Test-Path -PathType Container $Source)) { - Write-Host "Cloning libuv: $Commit" - New-Item -ItemType Directory -Force -Path $Source - Push-Location $Source - try { - Run git init - Run git remote add origin "https://github.com/libuv/libuv" - Run git fetch --depth 1 origin $Commit - Run git checkout FETCH_HEAD - } finally { Pop-Location } -} else { - Push-Location $Source - try { - $CurrentCommit = git rev-parse HEAD - if ($CurrentCommit -ne $Commit) { - Write-Host "Updating libuv: $Commit" - Run git fetch --depth 1 origin $Commit - Run git checkout FETCH_HEAD - } - } finally { Pop-Location } -} - -if(!($CloneOnly)) { - Push-Location $Source - try { - $null = mkdir build -ErrorAction SilentlyContinue - Set-Location build - - Run cmake .. @CMAKE_FLAGS "-DCMAKE_C_FLAGS=/DWIN32 /D_WINDOWS -Wno-int-conversion" - Run cmake --build . --clean-first --config Release - - Copy-Item libuv.lib $BUN_DEPS_OUT_DIR - Write-Host "-> libuv.lib" - } finally { Pop-Location } -} diff --git a/scripts/build-lolhtml.ps1 b/scripts/build-lolhtml.ps1 deleted file mode 100755 index dc3ca456ea..0000000000 --- a/scripts/build-lolhtml.ps1 +++ /dev/null @@ -1,11 +0,0 @@ -$ErrorActionPreference = 'Stop' # Setting strict mode, similar to 'set -euo pipefail' in bash -. (Join-Path $PSScriptRoot "env.ps1") - -Push-Location (Join-Path $BUN_DEPS_DIR 'lol-html/c-api') -try { - Run cargo build --release --target x86_64-pc-windows-msvc - - Copy-Item target/x86_64-pc-windows-msvc/release/lolhtml.lib $BUN_DEPS_OUT_DIR - Copy-Item target/x86_64-pc-windows-msvc/release/lolhtml.pdb $BUN_DEPS_OUT_DIR - Write-Host "-> lolhtml.lib" -} finally { Pop-Location } diff --git a/scripts/build-lolhtml.sh b/scripts/build-lolhtml.sh deleted file mode 100755 index 778a77a392..0000000000 --- a/scripts/build-lolhtml.sh +++ /dev/null @@ -1,7 +0,0 @@ -#!/usr/bin/env bash -set -exo pipefail -source $(dirname -- "${BASH_SOURCE[0]}")/env.sh - -cd $BUN_DEPS_DIR/lol-html/c-api -cargo build --release -cp target/release/liblolhtml.a $BUN_DEPS_OUT_DIR/liblolhtml.a diff --git a/scripts/build-lshpack.ps1 b/scripts/build-lshpack.ps1 deleted file mode 100755 index 229d8c4f76..0000000000 --- a/scripts/build-lshpack.ps1 +++ /dev/null @@ -1,18 +0,0 @@ -$ErrorActionPreference = 'Stop' # Setting strict mode, similar to 'set -euo pipefail' in bash -. (Join-Path $PSScriptRoot "env.ps1") - -Push-Location (Join-Path $BUN_DEPS_DIR 'ls-hpack') -try { - Set-Location (mkdir -Force build) - - Run cmake .. @CMAKE_FLAGS ` - -DCMAKE_BUILD_TYPE=Release ` - -DLSHPACK_XXH=ON ` - -DSHARED=0 - - Run cmake --build . --clean-first --config Release - - Copy-Item ls-hpack.lib $BUN_DEPS_OUT_DIR/lshpack.lib - - Write-Host "-> lshpack.lib" -} finally { Pop-Location } diff --git a/scripts/build-lshpack.sh b/scripts/build-lshpack.sh deleted file mode 100755 index 1a870efe56..0000000000 --- a/scripts/build-lshpack.sh +++ /dev/null @@ -1,20 +0,0 @@ -#!/usr/bin/env bash -set -exo pipefail -source $(dirname -- "${BASH_SOURCE[0]}")/env.sh - -rm -rf CMakeFiles CMakeCache build.ninja -mkdir -p $BUN_DEPS_OUT_DIR - -cd $BUN_DEPS_DIR/ls-hpack - -rm -rf CMakeCache* CMakeFiles - -cmake "${CMAKE_FLAGS[@]}" . \ - -DCMAKE_BUILD_TYPE=Release \ - -DLSHPACK_XXH=ON \ - -DSHARED=0 \ - -GNinja - -ninja libls-hpack.a - -cp ./libls-hpack.a $BUN_DEPS_OUT_DIR/liblshpack.a diff --git a/scripts/build-mimalloc-debug.sh b/scripts/build-mimalloc-debug.sh deleted file mode 100755 index d0640c7b1f..0000000000 --- a/scripts/build-mimalloc-debug.sh +++ /dev/null @@ -1,43 +0,0 @@ -#!/usr/bin/env bash -set -exo pipefail -source "$(dirname -- "${BASH_SOURCE[0]}")/env.sh" - -MIMALLOC_OVERRIDE_FLAG=${MIMALLOC_OVERRIDE_FLAG:-} -MIMALLOC_VALGRIND_ENABLED_FLAG=${MIMALLOC_VALGRIND_ENABLED_FLAG:-} - -cd $BUN_DEPS_DIR/mimalloc - -rm -rf CMakeCache* CMakeFiles build - -mkdir build - -cd build - -cmake "${CMAKE_FLAGS[@]}" .. \ - -DCMAKE_BUILD_TYPE=Debug \ - -DMI_DEBUG_FULL=1 \ - -DMI_SKIP_COLLECT_ON_EXIT=1 \ - -DMI_BUILD_SHARED=OFF \ - -DMI_BUILD_STATIC=ON \ - -DMI_BUILD_TESTS=OFF \ - -DMI_OSX_ZONE=OFF \ - -DMI_OSX_INTERPOSE=OFF \ - -DMI_BUILD_OBJECT=ON \ - -DMI_OVERRIDE=OFF \ - -DMI_TRACK_VALGRIND=ON \ - -DMI_USE_CXX=ON \ - -GNinja - -ninja - -if [ -f libmimalloc-valgrind-debug.a ]; then - file="libmimalloc-valgrind-debug.a" -elif [ -f libmimalloc-debug.a ]; then - file="libmimalloc-debug.a" -else - echo "Could not find libmimalloc-valgrind-debug.a or libmimalloc-debug.a" - exit 1 -fi - -cp $file $BUN_DEPS_OUT_DIR/libmimalloc-debug.a -cp CMakeFiles/mimalloc-obj.dir/src/static.c.o $BUN_DEPS_OUT_DIR/libmimalloc-debug.o diff --git a/scripts/build-mimalloc.ps1 b/scripts/build-mimalloc.ps1 deleted file mode 100755 index 478c12f4b8..0000000000 --- a/scripts/build-mimalloc.ps1 +++ /dev/null @@ -1,26 +0,0 @@ -$ErrorActionPreference = 'Stop' # Setting strict mode, similar to 'set -euo pipefail' in bash -. (Join-Path $PSScriptRoot "env.ps1") - -Push-Location (Join-Path $BUN_DEPS_DIR 'mimalloc') -try { - Remove-Item -ErrorAction SilentlyContinue -Recurse -Force build - Set-Location (mkdir -Force build) - - Run cmake .. @CMAKE_FLAGS ` - -DMI_SKIP_COLLECT_ON_EXIT=1 ` - -DMI_BUILD_SHARED=OFF ` - -DMI_BUILD_STATIC=ON ` - -DMI_BUILD_TESTS=OFF ` - -DMI_OSX_ZONE=OFF ` - -DMI_OSX_INTERPOSE=OFF ` - -DMI_BUILD_OBJECT=ON ` - -DMI_USE_CXX=ON ` - -DMI_OVERRIDE=OFF ` - -DMI_OSX_ZONE=OFF - - Run cmake --build . --clean-first --config Release - - Copy-Item mimalloc-static.lib $BUN_DEPS_OUT_DIR/mimalloc.lib - - Write-Host "-> mimalloc.lib" -} finally { Pop-Location } diff --git a/scripts/build-mimalloc.sh b/scripts/build-mimalloc.sh deleted file mode 100755 index f1afaae9f2..0000000000 --- a/scripts/build-mimalloc.sh +++ /dev/null @@ -1,29 +0,0 @@ -#!/usr/bin/env bash -set -exo pipefail -source "$(dirname -- "${BASH_SOURCE[0]}")/env.sh" - -MIMALLOC_OVERRIDE_FLAG=${MIMALLOC_OVERRIDE_FLAG:-} -MIMALLOC_VALGRIND_ENABLED_FLAG=${MIMALLOC_VALGRIND_ENABLED_FLAG:-} - -cd $BUN_DEPS_DIR/mimalloc - -rm -rf CMakeCache* CMakeFiles - -cmake "${CMAKE_FLAGS[@]}" . \ - -DCMAKE_BUILD_TYPE=Release \ - -DMI_SKIP_COLLECT_ON_EXIT=1 \ - -DMI_BUILD_SHARED=OFF \ - -DMI_BUILD_STATIC=ON \ - -DMI_BUILD_TESTS=OFF \ - -DMI_OSX_ZONE=OFF \ - -DMI_OSX_INTERPOSE=OFF \ - -DMI_BUILD_OBJECT=ON \ - -DMI_USE_CXX=ON \ - -DMI_OVERRIDE=OFF \ - -DMI_OSX_ZONE=OFF \ - -GNinja - -ninja - -cp libmimalloc.a $BUN_DEPS_OUT_DIR/libmimalloc.a -cp CMakeFiles/mimalloc-obj.dir/src/static.c.o $BUN_DEPS_OUT_DIR/libmimalloc.o diff --git a/scripts/build-tinycc.ps1 b/scripts/build-tinycc.ps1 deleted file mode 100755 index 095fd97dd0..0000000000 --- a/scripts/build-tinycc.ps1 +++ /dev/null @@ -1,29 +0,0 @@ -$ErrorActionPreference = 'Stop' # Setting strict mode, similar to 'set -euo pipefail' in bash -. (Join-Path $PSScriptRoot "env.ps1") - -Push-Location (Join-Path $BUN_DEPS_DIR 'tinycc') -try { - cd win32 - Run .\build-tcc.bat -clean - cd .. - - Set-Content -Path config.h -Value @" -#define TCC_VERSION "$(Get-Content VERSION)" -#define TCC_GITHASH "$(git rev-parse --short HEAD)" -#define CONFIG_TCCDIR "$((Get-Location).Path.Replace('\', '/'))" -#define CONFIG_TCC_PREDEFS 1 -#ifdef TCC_TARGET_X86_64 -#define CONFIG_TCC_CROSSPREFIX "$PX%-" -#endif -"@ - - Run clang-cl -DTCC_TARGET_PE -DTCC_TARGET_X86_64 config.h -DC2STR -o c2str.exe conftest.c - Run .\c2str.exe .\include\tccdefs.h tccdefs_.h - - Run clang-cl @($env:CFLAGS -split ' ') libtcc.c -o tcc.obj "-DTCC_TARGET_PE" "-DTCC_TARGET_X86_64" "-O2" "-W2" "-Zi" "-MD" "-GS-" "-c" "-MT" - Run llvm-lib "tcc.obj" "-OUT:tcc.lib" - - Copy-Item tcc.obj $BUN_DEPS_OUT_DIR/tcc.lib - - Write-Host "-> tcc.lib" -} finally { Pop-Location } diff --git a/scripts/build-tinycc.sh b/scripts/build-tinycc.sh deleted file mode 100755 index 558c695579..0000000000 --- a/scripts/build-tinycc.sh +++ /dev/null @@ -1,11 +0,0 @@ -#!/usr/bin/env bash -set -exo pipefail -source $(dirname -- "${BASH_SOURCE[0]}")/env.sh - -mkdir -p $BUN_DEPS_OUT_DIR - -cd $BUN_DEPS_DIR/tinycc -make clean -CFLAGS="${CFLAGS} -DTCC_LIBTCC1=\\\"\0\\\"" ./configure --enable-static --cc="$CC" --ar="$AR" --config-predefs=yes -make libtcc.a -j$CPUS -cp libtcc.a $BUN_DEPS_OUT_DIR diff --git a/scripts/build-zlib.ps1 b/scripts/build-zlib.ps1 deleted file mode 100755 index e9841a826b..0000000000 --- a/scripts/build-zlib.ps1 +++ /dev/null @@ -1,29 +0,0 @@ -$ErrorActionPreference = 'Stop' # Setting strict mode, similar to 'set -euo pipefail' in bash -. (Join-Path $PSScriptRoot "env.ps1") - -Push-Location (Join-Path $BUN_DEPS_DIR 'zlib') -try { - Run git reset --hard - - # TODO: make a patch upstream to change the line - # `#ifdef _MSC_VER` - # to account for clang-cl, which implements `__builtin_ctzl` and `__builtin_expect` - $textToReplace = [regex]::Escape("int __inline __builtin_ctzl(unsigned long mask)") + "[^}]*}" - $fileContent = Get-Content "deflate.h" -Raw - if ($fileContent -match $textToReplace) { - Set-Content -Path "deflate.h" -Value ($fileContent -replace $textToReplace, "") - } - else { - throw "Failed to patch deflate.h" - } - - Set-Location (mkdir -Force build) - - Run cmake .. @CMAKE_FLAGS - Run cmake --build . --clean-first --config Release - - Copy-Item zlib.lib $BUN_DEPS_OUT_DIR - - Write-Host "-> zlib.lib" -} -finally { Pop-Location } diff --git a/scripts/build-zlib.sh b/scripts/build-zlib.sh deleted file mode 100755 index 2377c7f198..0000000000 --- a/scripts/build-zlib.sh +++ /dev/null @@ -1,12 +0,0 @@ -#!/usr/bin/env bash -set -exo pipefail -source $(dirname -- "${BASH_SOURCE[0]}")/env.sh - -mkdir -p $BUN_DEPS_OUT_DIR -cd $BUN_DEPS_DIR/zlib -rm -rf build -mkdir build -cd build -cmake $CMAKE_FLAGS -G Ninja -DCMAKE_BUILD_TYPE=Release .. -ninja -cp ./libz.a $BUN_DEPS_OUT_DIR/libz.a diff --git a/scripts/build-zstd.ps1 b/scripts/build-zstd.ps1 deleted file mode 100755 index f2d404fc0c..0000000000 --- a/scripts/build-zstd.ps1 +++ /dev/null @@ -1,14 +0,0 @@ -$ErrorActionPreference = 'Stop' # Setting strict mode, similar to 'set -euo pipefail' in bash -. (Join-Path $PSScriptRoot "env.ps1") - -Push-Location (Join-Path $BUN_DEPS_DIR 'zstd') -try { - Remove-Item CMakeCache.txt, CMakeFiles -Recurse -ErrorAction SilentlyContinue - - # CL_SHOWINCLUDES_PREFIX is workaround for cmake bug in 3.28. .ninja_deps still needs to be deleted. Bug is fixed in 3.30 - Run cmake -S "build/cmake" @CMAKE_FLAGS -DZSTD_BUILD_STATIC=ON -DCMAKE_CL_SHOWINCLUDES_PREFIX="Note: including file:" - Run cmake --build . --clean-first --config Release - - Copy-Item lib/zstd_static.lib $BUN_DEPS_OUT_DIR/zstd.lib - Write-Host "-> zstd.lib" -} finally { Pop-Location } \ No newline at end of file diff --git a/scripts/build-zstd.sh b/scripts/build-zstd.sh deleted file mode 100755 index 3adb9fa764..0000000000 --- a/scripts/build-zstd.sh +++ /dev/null @@ -1,11 +0,0 @@ -#!/usr/bin/env bash -set -exo pipefail -source $(dirname -- "${BASH_SOURCE[0]}")/env.sh - -mkdir -p $BUN_DEPS_OUT_DIR - -cd $BUN_DEPS_DIR/zstd -rm -rf Release CMakeCache.txt CMakeFiles -cmake "${CMAKE_FLAGS[@]}" -DZSTD_BUILD_STATIC=ON -B Release -S build/cmake -G Ninja -ninja libzstd_static -C Release -cp Release/lib/libzstd.a $BUN_DEPS_OUT_DIR/libzstd.a diff --git a/scripts/build.mjs b/scripts/build.mjs new file mode 100644 index 0000000000..91c52372d1 --- /dev/null +++ b/scripts/build.mjs @@ -0,0 +1,236 @@ +#!/usr/bin/env node + +import { spawn as nodeSpawn } from "node:child_process"; +import { existsSync, readFileSync, readdirSync } from "node:fs"; +import { join, relative, resolve } from "node:path"; + +// https://cmake.org/cmake/help/latest/manual/cmake.1.html#generate-a-project-buildsystem +const generateFlags = [ + ["-S", "string", "path to source directory"], + ["-B", "string", "path to build directory"], + ["-D", "string", "define a build option (e.g. -DCMAKE_BUILD_TYPE=Release)"], + ["-G", "string", "build generator (e.g. -GNinja)"], + ["-W", "string", "enable warnings (e.g. -Wno-dev)"], + ["--fresh", "boolean", "force a fresh build"], + ["--log-level", "string", "set the log level"], + ["--debug-output", "boolean", "print debug output"], + ["--toolchain", "string", "the toolchain to use"], +]; + +// https://cmake.org/cmake/help/latest/manual/cmake.1.html#generate-a-project-buildsystem +const buildFlags = [ + ["--config", "string", "build configuration (e.g. --config Release)"], + ["--target", "string", "build target"], + ["-t", "string", "same as --target"], + ["--parallel", "number", "number of parallel jobs"], + ["-j", "number", "same as --parallel"], + ["--verbose", "boolean", "enable verbose output"], + ["-v", "boolean", "same as --verbose"], +]; + +async function build(args) { + if (process.platform === "win32" && !process.env["VSINSTALLDIR"]) { + const shellPath = join(import.meta.dirname, "vs-shell.ps1"); + const scriptPath = import.meta.filename; + return spawn("pwsh", ["-NoProfile", "-NoLogo", "-File", shellPath, process.argv0, scriptPath, ...args]); + } + + const env = { + ...process.env, + FORCE_COLOR: "1", + CLICOLOR_FORCE: "1", + }; + + const generateOptions = parseOptions(args, generateFlags); + const buildOptions = parseOptions(args, buildFlags); + + const buildPath = resolve(generateOptions["-B"] || buildOptions["--build"] || "build"); + generateOptions["-B"] = buildPath; + buildOptions["--build"] = buildPath; + + if (!generateOptions["-S"]) { + generateOptions["-S"] = process.cwd(); + } + + const cacheRead = isCacheReadEnabled(); + const cacheWrite = isCacheWriteEnabled(); + if (cacheRead || cacheWrite) { + const cachePath = getCachePath(); + if (cacheRead && !existsSync(cachePath)) { + const mainCachePath = getCachePath(getDefaultBranch()); + if (existsSync(mainCachePath)) { + mkdirSync(cachePath, { recursive: true }); + cpSync(mainCachePath, cachePath, { recursive: true, force: true }); + } + } + generateOptions["-DCACHE_PATH"] = cmakePath(cachePath); + generateOptions["--fresh"] = undefined; + if (cacheRead && cacheWrite) { + generateOptions["-DCACHE_STRATEGY"] = "read-write"; + } else if (cacheRead) { + generateOptions["-DCACHE_STRATEGY"] = "read-only"; + } else if (cacheWrite) { + generateOptions["-DCACHE_STRATEGY"] = "write-only"; + } + } + + const toolchain = generateOptions["--toolchain"]; + if (toolchain) { + const toolchainPath = resolve(import.meta.dirname, "..", "cmake", "toolchains", `${toolchain}.cmake`); + generateOptions["--toolchain"] = toolchainPath; + } + + const generateArgs = Object.entries(generateOptions).flatMap(([flag, value]) => + flag.startsWith("-D") ? [`${flag}=${value}`] : [flag, value], + ); + await spawn("cmake", generateArgs, { env }); + + const envPath = resolve(buildPath, ".env"); + if (existsSync(envPath)) { + const envFile = readFileSync(envPath, "utf8"); + for (const line of envFile.split(/\r\n|\n|\r/)) { + const [key, value] = line.split("="); + env[key] = value; + } + } + + const buildArgs = Object.entries(buildOptions) + .sort(([a], [b]) => (a === "--build" ? -1 : a.localeCompare(b))) + .flatMap(([flag, value]) => [flag, value]); + await spawn("cmake", buildArgs, { env }); + + const buildFiles = ["ccache.log", "compile_commands.json"]; + const buildPaths = [buildPath, ...readdirSync(buildPath).map(path => join(buildPath, path))]; + const buildArtifacts = []; + for (const buildPath of buildPaths) { + for (const buildFile of buildFiles) { + const path = join(buildPath, buildFile); + if (existsSync(path)) { + buildArtifacts.push(path); + } + } + } + + if (isBuildkite()) { + await Promise.all(buildArtifacts.map(path => spawn("buildkite-agent", ["artifact", "upload", relative(buildPath, path)], { cwd: buildPath, env }))); + } +} + +function cmakePath(path) { + return path.replace(/\\/g, "/"); +} + +function getCachePath(branch) { + const buildPath = process.env.BUILDKITE_BUILD_PATH; + const repository = process.env.BUILDKITE_REPO; + const fork = process.env.BUILDKITE_PULL_REQUEST_REPO; + const repositoryKey = (fork || repository).replace(/[^a-z0-9]/gi, "-"); + const branchKey = (branch || process.env.BUILDKITE_BRANCH).replace(/[^a-z0-9]/gi, "-"); + const stepKey = process.env.BUILDKITE_STEP_KEY.replace(/[^a-z0-9]/gi, "-"); + return resolve(buildPath, "..", "cache", repositoryKey, branchKey, stepKey); +} + +function isCacheReadEnabled() { + return ( + isBuildkite() && + process.env.BUILDKITE_CLEAN_CHECKOUT !== "true" && + process.env.BUILDKITE_BRANCH !== getDefaultBranch() + ); +} + +function isCacheWriteEnabled() { + return isBuildkite(); +} + +function isBuildkite() { + return process.env.BUILDKITE === "true"; +} + +function getDefaultBranch() { + return process.env.BUILDKITE_PIPELINE_DEFAULT_BRANCH || "main"; +} + +function parseOptions(args, flags = []) { + const options = {}; + + for (let i = 0; i < args.length; i++) { + const arg = args[i]; + + for (const [flag, type] of flags) { + if (arg === flag) { + if (type === "boolean") { + options[arg] = undefined; + } else { + options[arg] = args[++i]; + } + } else if (arg.startsWith(flag)) { + const delim = arg.indexOf("="); + if (delim === -1) { + options[flag] = arg.slice(flag.length); + } else { + options[arg.slice(0, delim)] = arg.slice(delim + 1); + } + } + } + } + + return options; +} + +async function spawn(command, args, options) { + const effectiveArgs = args.filter(Boolean); + const description = [command, ...effectiveArgs].map(arg => (arg.includes(" ") ? JSON.stringify(arg) : arg)).join(" "); + console.log("$", description); + + const subprocess = nodeSpawn(command, effectiveArgs, { + stdio: "pipe", + ...options, + }); + + let timestamp; + subprocess.on("spawn", () => { + timestamp = Date.now(); + }); + + const stdout = new Promise(resolve => { + subprocess.stdout.on("end", resolve); + subprocess.stdout.on("data", data => process.stdout.write(data)); + }); + + const stderr = new Promise(resolve => { + subprocess.stderr.on("end", resolve); + subprocess.stderr.on("data", data => process.stderr.write(data)); + }); + + const done = Promise.all([stdout, stderr]); + + const { error, exitCode, signalCode } = await new Promise(resolve => { + subprocess.on("error", error => resolve({ error })); + subprocess.on("exit", (exitCode, signalCode) => resolve({ exitCode, signalCode })); + }); + + await done; + + const duration = Date.now() - timestamp; + if (duration > 60000) { + console.log(`Took ${(duration / 60000).toFixed(2)} minutes`); + } else { + console.log(`Took ${(duration / 1000).toFixed(2)} seconds`); + } + + if (exitCode === 0) { + return; + } + + if (error) { + console.error(error); + } else if (signalCode) { + console.error(`Command killed: ${signalCode}`); + } else { + console.error(`Command exited: code ${exitCode}`); + } + + process.exit(exitCode ?? 1); +} + +build(process.argv.slice(2)); diff --git a/scripts/build.ps1 b/scripts/build.ps1 deleted file mode 100755 index f70328c71a..0000000000 --- a/scripts/build.ps1 +++ /dev/null @@ -1,2 +0,0 @@ -.\scripts\env.ps1 -ninja -Cbuild diff --git a/scripts/buildkite-link-bun.ps1 b/scripts/buildkite-link-bun.ps1 deleted file mode 100755 index 96911602ed..0000000000 --- a/scripts/buildkite-link-bun.ps1 +++ /dev/null @@ -1,50 +0,0 @@ -param( - [switch]$Baseline = $false -) - -$ErrorActionPreference = 'Stop' # Setting strict mode, similar to 'set -euo pipefail' in bash - -$Target = If ($Baseline) { "windows-x64-baseline" } Else { "windows-x64" } -$Tag = "bun-$Target" - -. (Join-Path $PSScriptRoot "env.ps1") - -mkdir -Force build -buildkite-agent artifact download "**" build --step "${Target}-build-zig" -buildkite-agent artifact download "**" build --step "${Target}-build-cpp" -buildkite-agent artifact download "**" build --step "${Target}-build-deps" -mv -Force -ErrorAction SilentlyContinue build\build\bun-deps\* build\bun-deps -mv -Force -ErrorAction SilentlyContinue build\build\* build - -Set-Location build - -# HACK: See scripts/build-bun-cpp.ps1 -Join-File -Path "$(Resolve-Path .)\bun-cpp-objects.a" -Verbose -DeletePartFiles - -cmake .. @CMAKE_FLAGS ` - -G Ninja ` - -DCMAKE_BUILD_TYPE=Release ` - -DNO_CODEGEN=1 ` - -DNO_CONFIGURE_DEPENDS=1 ` - -DBUN_LINK_ONLY=1 ` - "-DBUN_DEPS_OUT_DIR=$(Resolve-Path bun-deps)" ` - "-DBUN_CPP_ARCHIVE=$(Resolve-Path bun-cpp-objects.a)" ` - "-DBUN_ZIG_OBJ_DIR=$(Resolve-Path .)" -if ($LASTEXITCODE -ne 0) { throw "CMake configuration failed" } - -ninja -v -j $env:CPUS -if ($LASTEXITCODE -ne 0) { throw "Link failed!" } - -Set-Location .. -$Dist = mkdir -Force "${Tag}" -cp -r build\bun.exe "$Dist\bun.exe" -Compress-Archive -Force "$Dist" "${Dist}.zip" -$Dist = "$Dist-profile" -MkDir -Force "$Dist" -cp -r build\bun.exe "$Dist\bun.exe" -cp -r build\bun.pdb "$Dist\bun.pdb" -Compress-Archive -Force "$Dist" "$Dist.zip" - -$env:BUN_GARBAGE_COLLECTOR_LEVEL = "1" -$env:BUN_FEATURE_FLAG_INTERNAL_FOR_TESTING = "1" -.\build\bun.exe --print "JSON.stringify(require('bun:internal-for-testing').crash_handler.getFeatureData())" > .\features.json diff --git a/scripts/bump.ts b/scripts/bump.ts deleted file mode 100644 index a3da37bd2c..0000000000 --- a/scripts/bump.ts +++ /dev/null @@ -1,42 +0,0 @@ -import path from "path"; - -process.chdir(path.join(import.meta.dir, "../")); - -const git_branch = await Bun.$`git rev-parse --abbrev-ref HEAD`.text(); - -if (git_branch.trim() !== "main") { - console.error("You must be on the main branch to run this script"); - process.exit(1); -} - -const kinds = ["major", "minor", "patch"]; -const increment = kinds.findIndex(type => process.argv[2] === type); -if (increment === -1) { - console.error("Usage: bun bump "); - process.exit(1); -} - -const cmakelists = await Bun.file("./CMakeLists.txt").text(); - -const found_version_line = cmakelists.indexOf("set(Bun_VERSION"); -if (found_version_line === -1) { - throw new Error("Could not find version line in CMakeLists.txt"); -} - -const version = /set\(Bun_VERSION "([0-9]+\.[0-9]+\.[0-9]+)"/.exec(cmakelists); -if (!version) { - throw new Error("Could not find version in CMakeLists.txt"); -} - -const to_arg = process.argv.find(arg => arg.startsWith("--last-version=")); -const to = to_arg ? to_arg.slice("--last-version=".length) : version[1]; - -const updated_version = to - .split(".") - .map((v, i) => (i === increment ? parseInt(v) + 1 : i < increment ? parseInt(v) : 0)) - .join("."); - -await Bun.write("./CMakeLists.txt", cmakelists.replace(version[1], updated_version)); -await Bun.write("LATEST", to); - -console.log("Bumping version from %s to %s", version[1], updated_version); diff --git a/scripts/calculate-canary-revision.sh b/scripts/calculate-canary-revision.sh deleted file mode 100755 index 754b2baabd..0000000000 --- a/scripts/calculate-canary-revision.sh +++ /dev/null @@ -1,35 +0,0 @@ -#!/usr/bin/env bash -if [ -z "$GITHUB_TOKEN" ]; then - echo "GITHUB_TOKEN is not set" - exit 1 -fi - -query="\"query{repository(owner:\\\"oven-sh\\\",name:\\\"bun\\\"){releases(first:1){edges{node{tagName}}}}}\"" -tagName=$(curl -fsSL "https://api.github.com/graphql" -X POST -d '{"query":'${query}'}' \ - -H "Authorization: bearer ${GITHUB_TOKEN}" -H "Content-Type: application/json" \ - | jq -r '.data.repository.releases.edges[0].node.tagName') - -if [ -z "$headRef" ]; then - headRef=$(git rev-parse HEAD) -fi - -query="\"query{repository(owner:\\\"oven-sh\\\",name:\\\"bun\\\"){ref(qualifiedName:\\\"${tagName}\\\"){compare(headRef:\\\"${headRef}\\\"){aheadBy}}}}\"" -aheadBy=$(curl -fsSL "https://api.github.com/graphql" -X POST -d '{"query":'${query}'}' \ - -H "Authorization: bearer ${GITHUB_TOKEN}" -H "Content-Type: application/json" \ - | jq -r '.data.repository.ref.compare.aheadBy') - -if [ "$1" == '--raw' ]; then - if [ "$aheadBy" == "null" ]; then - echo "1" - else - echo "${aheadBy}" - fi -else - echo "Latest version is ${tagName}" - if [ "$aheadBy" == "null" ]; then - echo "Current commit is not available on GitHub.com" - else - echo "Ahead by ${aheadBy} commits." - fi - echo "(call script with --raw to print just a number)" -fi \ No newline at end of file diff --git a/scripts/clean-dependencies.ps1 b/scripts/clean-dependencies.ps1 deleted file mode 100755 index 7aa5f52fd3..0000000000 --- a/scripts/clean-dependencies.ps1 +++ /dev/null @@ -1,47 +0,0 @@ -. (Join-Path $PSScriptRoot "env.ps1") -$ErrorActionPreference = 'SilentlyContinue' # Setting strict mode, similar to 'set -euo pipefail' in bash - -function Reset-Submodule { - param ( - $Repository - ) - Push-Location $Repository - try { - Run git reset --hard - Run git clean -fdx - } - finally { - Pop-Location - } -} - -$Deps = Join-Path $PSScriptRoot "../src/deps" -$DepsOut = Join-Path $PSScriptRoot "../src/deps" - -Reset-Submodule $Deps\base64 -Reset-Submodule $Deps\boringssl -Reset-Submodule $Deps\c-ares -Reset-Submodule $Deps\libarchive -Reset-Submodule $Deps\lol-html -Reset-Submodule $Deps\mimalloc -Reset-Submodule $Deps\picohttpparser -Reset-Submodule $Deps\tinycc -Reset-Submodule $Deps\zlib -Reset-Submodule $Deps\zstd -Reset-Submodule $Deps\ls-hpack - -Remove-Item -Force $DepsOut\base64.lib -Remove-Item -Force $DepsOut\crypto.lib -Remove-Item -Force $DepsOut\ssl.lib -Remove-Item -Force $DepsOut\decrepit.lib -Remove-Item -Force $DepsOut\cares.lib -Remove-Item -Force $DepsOut\archive.lib -Remove-Item -Force $DepsOut\lolhtml.lib -Remove-Item -Force $DepsOut\mimalloc.lib -Remove-Item -Force $DepsOut\tcc.lib -Remove-Item -Force $DepsOut\zlib.lib -Remove-Item -Force $DepsOut\zstd.lib -Remove-Item -Force $DepsOut\libuv.lib -Remove-Item -Force $DepsOut\lshpack.lib - -$ErrorActionPreference = 'Stop' diff --git a/scripts/clean-dependencies.sh b/scripts/clean-dependencies.sh deleted file mode 100755 index f7213a58ab..0000000000 --- a/scripts/clean-dependencies.sh +++ /dev/null @@ -1,28 +0,0 @@ -#!/usr/bin/env bash -FORCE= - -SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd) -BUN_BASE_DIR=${BUN_BASE_DIR:-$(cd $SCRIPT_DIR && cd .. && pwd)} -BUN_DEPS_OUT_DIR=${BUN_DEPS_OUT_DIR:-$BUN_BASE_DIR/src/deps/} -BUN_DEPS_DIR=${BUN_DEPS_DIR:-$BUN_BASE_DIR/src/deps/} - -rm -f $BUN_DEPS_OUT_DIR/*.a - -git_reset() { - dir=$(pwd) - cd $1 - git reset --hard - git clean -fdx - cd $dir -} - -git_reset $BUN_DEPS_DIR/boringssl -git_reset $BUN_DEPS_DIR/c-ares -git_reset $BUN_DEPS_DIR/libarchive -git_reset $BUN_DEPS_DIR/lol-html -git_reset $BUN_DEPS_DIR/mimalloc -git_reset $BUN_DEPS_DIR/picohttpparser -git_reset $BUN_DEPS_DIR/tinycc -git_reset $BUN_DEPS_DIR/zlib -git_reset $BUN_DEPS_DIR/zstd -git_reset $BUN_DEPS_DIR/ls-hpack \ No newline at end of file diff --git a/scripts/cross-compile-codegen.sh b/scripts/cross-compile-codegen.sh deleted file mode 100755 index 15fa1dc2b4..0000000000 --- a/scripts/cross-compile-codegen.sh +++ /dev/null @@ -1,73 +0,0 @@ -#!/usr/bin/env bash -set -e - -export TARGET_PLATFORM=${1:-win32} -export TARGET_ARCH=${2:-x64} - -if ! which bun; then - export PATH="$PATH:$HOME/.bun/bin" -fi - -cd "$(dirname "${BASH_SOURCE[0]}")/../" - -OUT=build-codegen-${TARGET_PLATFORM}-${TARGET_ARCH} - -if [ -n "$3" ]; then - OUT="$3" -fi - -rm -rf "$OUT/codegen" -rm -rf "$OUT/js" -mkdir -p "$OUT" -mkdir -p "$OUT/"{codegen,js,tmp_functions,tmp_modules} - -OUT=$(realpath "$OUT") - -task() { - echo '$ '"$@" - "$@" - if [ "$?" != "0" ]; then - # some scripts are flaky, run them again - echo "!!! retrying" - "$@" - if [ "$?" != "0" ]; then - echo "!!! failed" - exit 1 - fi - fi -} - -task bun ./src/codegen/bundle-modules.ts --debug=OFF "$OUT" - -rm -rf "$OUT/tmp_functions" -rm -rf "$OUT/tmp_modules" - -CLASSES=( - ./src/bun.js/*.classes.ts - ./src/bun.js/api/*.classes.ts - ./src/bun.js/test/*.classes.ts - ./src/bun.js/webcore/*.classes.ts - ./src/bun.js/node/*.classes.ts -) -task bun "./src/codegen/generate-classes.ts" ${CLASSES[@]} "$OUT/codegen" - -LUTS=( - ./src/bun.js/bindings/BunObject.cpp - ./src/bun.js/bindings/ZigGlobalObject.lut.txt - ./src/bun.js/bindings/JSBuffer.cpp - ./src/bun.js/bindings/BunProcess.cpp - ./src/bun.js/bindings/ProcessBindingConstants.cpp - ./src/bun.js/bindings/ProcessBindingNatives.cpp -) -for lut in ${LUTS[@]}; do - result=$(basename $lut | sed 's/.lut.txt/.cpp/' | sed 's/.cpp/.lut.h/') - task bun "./src/codegen/create-hash-table.ts" "$lut" "$OUT/codegen/$result" -done - -task bun "./src/codegen/generate-jssink.ts" "$OUT/codegen" - -wait - -rm -rf "$OUT/tmp"* - -echo "-> `basename "$OUT"`" diff --git a/scripts/download-webkit.ps1 b/scripts/download-webkit.ps1 deleted file mode 100755 index 4e4e6ec5d0..0000000000 --- a/scripts/download-webkit.ps1 +++ /dev/null @@ -1,42 +0,0 @@ -param ( - [Parameter(Mandatory)] - [string]$OutDir, - [Parameter(Mandatory)][string]$Tag, - [Parameter(Mandatory)][string]$PackageName -) - -$ErrorActionPreference = "Stop" - -$Url = "https://github.com/oven-sh/WebKit/releases/download/autobuild-$Tag/$PackageName.tar.gz" -$CacheDir = (mkdir -Force (Join-Path $PSScriptRoot "../.cache")) -$TarPath = Join-Path $CacheDir "$PackageName-$Tag.tar.gz" - -if (Test-Path $OutDir\.tag) { - $CurrentTag = Get-Content -Path (Join-Path $OutDir ".tag") - if ($CurrentTag -eq $Tag) { - return - } -} - -Remove-Item $OutDir -ErrorAction SilentlyContinue -Recurse -$null = mkdir -Force $OutDir -try { - Write-Host "-- Downloading WebKit" - if (!(Test-Path $TarPath)) { - try { - Invoke-WebRequest $Url -OutFile $TarPath -MaximumRetryCount 3 -RetryIntervalSec 1 - } catch { - Write-Error "Failed to fetch WebKit from: $Url" - throw $_ - } - } - - Push-Location $CacheDir - tar.exe "-xzf" "$PackageName-$Tag.tar.gz" -C (Resolve-Path -Relative $OutDir\..\).replace('\', '/') - Pop-Location - - Set-Content -Path (Join-Path $OutDir ".tag") -Value "$Tag" -} catch { - Remove-Item -Force -ErrorAction SilentlyContinue $OutDir - throw $_ -} \ No newline at end of file diff --git a/scripts/download-webkit.sh b/scripts/download-webkit.sh deleted file mode 100755 index baac55be29..0000000000 --- a/scripts/download-webkit.sh +++ /dev/null @@ -1,85 +0,0 @@ -#!/usr/bin/env bash -set -e - -OUTDIR="$1" -TAG="$2" -PKG="$3" - -if [ -z "$OUTDIR" ]; then - echo "Missing outdir" - exit 1 -fi -if [ -z "$TAG" ]; then - echo "Missing tag" - exit 1 -fi -if [ -z "$PKG" ]; then - echo "Missing package" - exit 1 -fi - -url="https://github.com/oven-sh/WebKit/releases/download/autobuild-$TAG/$PKG.tar.gz" - -old_tar_dir="$(dirname "$0")/../.webkit-cache" -tar_dir="$(dirname "$0")/../.cache" -if [ -d "$old_tar_dir" ]; then - # migration step from the old system - mkdir "$tar_dir" - mv "$old_tar_dir"/* "$tar_dir" - rm -r "$old_tar_dir" -fi - -tar="$tar_dir/$PKG-$TAG.tar.gz" - -mkdir -p "$OUTDIR" -mkdir -p "$tar_dir" - -if [ -f "$OUTDIR/.tag" ]; then - read_tag="$(cat "$OUTDIR/.tag")" - if [ "$read_tag" == "$TAG-$PKG" ]; then - exit 0 - fi -fi - -rm -rf "$OUTDIR" - -download () { - local command="$1" - local retries="$2" - local options="$-" - if [[ $options == *e* ]]; then - set +e - fi - $command - local exit_code=$? - if [[ $options == *e* ]]; then - set -e - fi - if [[ $exit_code -ne 0 && $retries -gt 0 ]]; then - download "$command" $(($retries - 1)) - else - return $exit_code - fi -} - -# this is a big download so we will retry 5 times and ask curl to resume -# download from where failure occurred if it fails and is rerun -if [ ! -f "$tar" ]; then - echo "-- Downloading WebKit" - if ! download "curl -C - --http1.1 -o $tar.tmp -L $url" 5; then - echo "Failed to download $url" - exit 1 - else - mv $tar.tmp $tar - fi -fi - -tar -xzf "$tar" -C "$(dirname "$OUTDIR")" || (rm "$tar" && exit 1) - -# We want to make sure we use the system-version of icucore on macOS -if [ "$(uname)" == "Darwin" ]; then - # delete the unicode folder from include - rm -rf "$OUTDIR/include/unicode" -fi - -echo "$TAG-$PKG" >"$OUTDIR/.tag" diff --git a/scripts/download-zig.ps1 b/scripts/download-zig.ps1 deleted file mode 100755 index 1ec37a3f04..0000000000 --- a/scripts/download-zig.ps1 +++ /dev/null @@ -1,42 +0,0 @@ -$ErrorActionPreference = "Stop" - -$ZigVersion="0.13.0" -$Target="windows" -$Arch="x86_64" - -$Url = "https://ziglang.org/builds/zig-${Target}-${Arch}-${ZigVersion}.zip" -$CacheDir = (mkdir -Force (Join-Path $PSScriptRoot "../.cache")) -$TarPath = Join-Path $CacheDir "zig-${ZigVersion}.zip" -$OutDir = Join-Path $CacheDir "zig" - -if (Test-Path $OutDir\.tag) { - $CurrentTag = Get-Content -Path (Join-Path $OutDir ".tag") - if ($CurrentTag -eq $ZigVersion) { - return - } -} - -Remove-Item $OutDir -ErrorAction SilentlyContinue -Recurse -$null = mkdir -Force $OutDir -Push-Location $CacheDir -try { - if (!(Test-Path $TarPath)) { - try { - Write-Host "-- Downloading Zig" - Invoke-RestMethod $Url -OutFile $TarPath -MaximumRetryCount 3 -RetryIntervalSec 1 - } catch { - Write-Error "Failed to fetch Zig from: $Url" - throw $_ - } - } - - Remove-Item "$OutDir" -Recurse - Expand-Archive "$TarPath" "$OutDir\..\" - Move-Item "zig-$Target-$Arch-$ZigVersion" "zig" - Set-Content -Path (Join-Path $OutDir ".tag") -Value "$ZigVersion" -} catch { - Remove-Item -Force -ErrorAction SilentlyContinue $OutDir - throw $_ -} finally { - Pop-Location -} \ No newline at end of file diff --git a/scripts/download-zig.sh b/scripts/download-zig.sh deleted file mode 100755 index d0156f635e..0000000000 --- a/scripts/download-zig.sh +++ /dev/null @@ -1,87 +0,0 @@ -#!/usr/bin/env bash -set -e -cd $(dirname $(dirname "${BASH_SOURCE[0]}")) - -zig_version="" -if [ -n "$1" ]; then - zig_version="$1" - update_repo=true - - if [ "$zig_version" == "master" ]; then - zig_version=$(curl -fsSL https://ziglang.org/download/index.json | jq -r .master.version) - fi -else - zig_version=$(grep 'recommended_zig_version = "' "build.zig" | cut -d'"' -f2) -fi - -case $(uname -ms) in -'Darwin x86_64') - target='macos' - arch='x86_64' - ;; -'Darwin arm64') - target='macos' - arch='aarch64' - ;; -'Linux aarch64' | 'Linux arm64') - target='linux' - arch='aarch64' - ;; -'Linux x86_64') - target='linux' - arch='x86_64' - ;; -*) - printf "error: cannot get platform name from '%s'\n" "${unamestr}" - exit 1 - ;; -esac - -url="https://ziglang.org/builds/zig-${target}-${arch}-${zig_version}.tar.xz" -dest="$(pwd)/.cache/zig-${zig_version}.tar.xz" -extract_at="$(pwd)/.cache/zig" - -mkdir -p ".cache" - -update_repo_if_needed() { - if [ "$update_repo" == "true" ]; then - files=( - build.zig - Dockerfile - scripts/download-zig.ps1 - .github/workflows/* - ) - - zig_version_previous=$(grep 'recommended_zig_version = "' "build.zig" | cut -d'"' -f2) - - for file in ${files[@]}; do - sed -i 's/'"${zig_version_previous}"'/'"${zig_version}"'/g' "$file" - done - - printf "Zig was updated to ${zig_version}. Please commit new files." - fi - # symlink extracted zig to extracted zig.exe - # TODO: Workaround for https://github.com/ziglang/vscode-zig/issues/164 - ln -sf "${extract_at}/zig" "${extract_at}/zig.exe" - chmod +x "${extract_at}/zig.exe" -} - -if [ -e "${extract_at}/.version" ]; then - if [ "$(cat "${extract_at}/.version")" == "${url}" ]; then - update_repo_if_needed - exit 0 - fi -fi - -if ! [ -e "${dest}" ]; then - printf -- "-- Downloading Zig v%s\n" "${zig_version}" - curl -o "$dest" -L "$url" -fi - -rm -rf "${extract_at}" -mkdir -p "${extract_at}" -tar -xf "${dest}" -C "${extract_at}" --strip-components=1 - -echo "${url}" > "${extract_at}/.version" - -update_repo_if_needed diff --git a/scripts/env.ps1 b/scripts/env.ps1 deleted file mode 100755 index afa9574c7a..0000000000 --- a/scripts/env.ps1 +++ /dev/null @@ -1,145 +0,0 @@ -$ErrorActionPreference = 'Stop' # Setting strict mode, similar to 'set -euo pipefail' in bash - -# this is the environment script for building bun's dependencies -# it sets c compiler and flags -$ScriptDir = Split-Path -Path $MyInvocation.MyCommand.Definition -Parent - -if ($env:VSINSTALLDIR -eq $null) { - Write-Host "Loading Visual Studio environment, this may take a second..." - $vswhere = "C:\Program Files (x86)\Microsoft Visual Studio\Installer\vswhere.exe" - if (!(Test-Path $vswhere)) { - throw "Visual Studio installer directory not found." - } - $vsDir = (& $vswhere -prerelease -latest -property installationPath) - if ($vsDir -eq $null) { - $vsDir = Get-ChildItem -Path "C:\Program Files\Microsoft Visual Studio\2022" -Directory - if ($vsDir -eq $null) { - throw "Visual Studio directory not found." - } - $vsDir = $vsDir.FullName; - } - Push-Location $vsDir - try { - $launchps = (Join-Path -Path $vsDir -ChildPath "Common7\Tools\Launch-VsDevShell.ps1") - . $launchps -Arch amd64 -HostArch amd64 - } finally { Pop-Location } -} - -if($Env:VSCMD_ARG_TGT_ARCH -eq "x86") { - # Please do not try to compile Bun for 32 bit. It will not work. I promise. - throw "Visual Studio environment is targetting 32 bit. This configuration is definetly a mistake." -} - -$BUN_BASE_DIR = if ($env:BUN_BASE_DIR) { $env:BUN_BASE_DIR } else { Join-Path $ScriptDir '..' } -$BUN_DEPS_DIR = if ($env:BUN_DEPS_DIR) { $env:BUN_DEPS_DIR } else { Join-Path $BUN_BASE_DIR 'src\deps' } -$BUN_DEPS_OUT_DIR = if ($env:BUN_DEPS_OUT_DIR) { $env:BUN_DEPS_OUT_DIR } else { Join-Path $BUN_BASE_DIR 'build\bun-deps' } - -$CPUS = if ($env:CPUS) { $env:CPUS } else { (Get-CimInstance -Class Win32_Processor).NumberOfCores } -$Lto = if ($env:USE_LTO) { $env:USE_LTO -eq "1" } else { $False } -$Baseline = if ($env:USE_BASELINE_BUILD) { - $env:USE_BASELINE_BUILD -eq "1" -} elseif ($env:BUILDKITE_STEP_KEY -match "baseline") { - $True -} else { - $False -} - -$CC = "clang-cl" -$CXX = "clang-cl" - -$CFLAGS = '/O2 /Z7 /MT /O2 /Ob2 /DNDEBUG /U_DLL' -$CXXFLAGS = '/O2 /Z7 /MT /O2 /Ob2 /DNDEBUG /U_DLL -Xclang -fno-c++-static-destructors' - -# libarchive requires zlib headers for gzip compression support. without them, it will attempt to spawn a gzip process -$CFLAGS += " /I$BUN_DEPS_DIR\zlib" - -if ($Lto) { - $CXXFLAGS += " -fuse-ld=lld -flto -Xclang -emit-llvm-bc" - $CFLAGS += " -fuse-ld=lld -flto -Xclang -emit-llvm-bc" -} - -$CPU_NAME = if ($Baseline) { "nehalem" } else { "haswell" }; -$env:CPU_TARGET = $CPU_NAME - -$CFLAGS += " -march=${CPU_NAME}" -$CXXFLAGS += " -march=${CPU_NAME}" - -$Canary = If ($env:CANARY) { - $env:CANARY -} ElseIf ($env:BUILDKITE -eq "true") { - (buildkite-agent meta-data get canary) -} Else { - "1" -} - -$CMAKE_FLAGS = @( - "-GNinja", - "-DCMAKE_BUILD_TYPE=Release", - "-DCMAKE_C_COMPILER=$CC", - "-DCMAKE_CXX_COMPILER=$CXX", - "-DCMAKE_C_FLAGS=$CFLAGS", - "-DCMAKE_CXX_FLAGS=$CXXFLAGS", - "-DCMAKE_C_FLAGS_RELEASE=$CFLAGS", - "-DCMAKE_CXX_FLAGS_RELEASE=$CXXFLAGS", - "-DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded", - "-DCANARY=$Canary" -) - -if (Get-Command llvm-lib -ErrorAction SilentlyContinue) { - $AR_CMD = Get-Command llvm-lib -ErrorAction SilentlyContinue - $AR = $AR_CMD.Path - $env:AR = $AR - $CMAKE_FLAGS += "-DCMAKE_AR=$AR" -} - -$env:CC = "clang-cl" -$env:CXX = "clang-cl" -$env:CFLAGS = $CFLAGS -$env:CXXFLAGS = $CXXFLAGS -$env:CPUS = $CPUS - -if ($Baseline) { - $CMAKE_FLAGS += "-DUSE_BASELINE_BUILD=ON" -} - -if ($Lto) { - $CMAKE_FLAGS += "-DUSE_LTO=ON" -} - -if (Get-Command ccache -ErrorAction SilentlyContinue) { - $CMAKE_FLAGS += "-DCMAKE_C_COMPILER_LAUNCHER=ccache" - $CMAKE_FLAGS += "-DCMAKE_CXX_COMPILER_LAUNCHER=ccache" -} elseif (Get-Command sccache -ErrorAction SilentlyContinue) { - # Continue with local compiler if sccache has an error - $env:SCCACHE_IGNORE_SERVER_IO_ERROR = "1" - - $CMAKE_FLAGS += "-DCMAKE_C_COMPILER_LAUNCHER=sccache" - $CMAKE_FLAGS += "-DCMAKE_CXX_COMPILER_LAUNCHER=sccache" - $CMAKE_FLAGS += "-DCMAKE_MSVC_DEBUG_INFORMATION_FORMAT=Embedded" - $CMAKE_FLAGS += "-DCMAKE_POLICY_CMP0141=NEW" -} - -$null = New-Item -ItemType Directory -Force -Path $BUN_DEPS_OUT_DIR - -function Run() { - # A handy way to run a command, and automatically throw an error if the - # exit code is non-zero. - - if ($args.Count -eq 0) { - throw "Must supply some arguments." - } - - $command = $args[0] - $commandArgs = @() - if ($args.Count -gt 1) { - $commandArgs = @($args[1..($args.Count - 1)] | % {$_}) - } - - write-host "> $command $commandArgs" - & $command $commandArgs - $result = $LASTEXITCODE - - if ($result -ne 0) { - throw "$command $commandArgs exited with code $result." - } -} \ No newline at end of file diff --git a/scripts/env.sh b/scripts/env.sh deleted file mode 100755 index 6bf8570014..0000000000 --- a/scripts/env.sh +++ /dev/null @@ -1,154 +0,0 @@ -#!/usr/bin/env bash - -set -euo pipefail - -export CI=${CI:-0} -export USE_LTO=${USE_LTO:-0} -export FORCE_PIC=${FORCE_PIC:-} -UNAME_OS="$(uname -s)" -UNAME_ARCH="$(uname -m)" - -export CMAKE_FLAGS="${CMAKE_FLAGS:-}" - -# Hack for buildkite sometimes not having the right path -if [[ "${CI:-}" == "1" || "${CI:-}" == "true" ]]; then - if [ -f ~/.bashrc ]; then - source ~/.bashrc - fi -fi - -if [[ $UNAME_OS == 'Darwin' ]]; then - export LLVM_VERSION=18 -else - export LLVM_VERSION=16 -fi - -# this is the environment script for building bun's dependencies -# it sets c compiler and flags -export SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd) -export BUN_BASE_DIR=${BUN_BASE_DIR:-$(cd "$SCRIPT_DIR" && cd .. && pwd)} -export BUN_DEPS_DIR=${BUN_DEPS_DIR:-$BUN_BASE_DIR/src/deps} -export BUN_DEPS_OUT_DIR=${BUN_DEPS_OUT_DIR:-$BUN_BASE_DIR/build/bun-deps} - -# Silence a perl script warning -export LC_CTYPE="en_US.UTF-8" -export LC_ALL="en_US.UTF-8" - -if [[ $UNAME_OS == 'Darwin' ]]; then - export CXX="$(brew --prefix llvm)@$LLVM_VERSION/bin/clang++" - export CC="$(brew --prefix llvm)@$LLVM_VERSION/bin/clang" - export AR="$(brew --prefix llvm)@$LLVM_VERSION/bin/llvm-ar" - export RANLIB="$(brew --prefix llvm)@$LLVM_VERSION/bin/llvm-ranlib" - export LIBTOOL="$(brew --prefix llvm)@$LLVM_VERSION/bin/llvm-libtool-darwin" - export PATH="$(brew --prefix llvm)@$LLVM_VERSION/bin:$PATH" - ln -sf $LIBTOOL "$(brew --prefix llvm)@$LLVM_VERSION/bin/libtool" || true -elif [[ "$CI" != "1" && "$CI" != "true" ]]; then - if [[ -f $SCRIPT_DIR/env.local ]]; then - echo "Sourcing $SCRIPT_DIR/env.local" - source $SCRIPT_DIR/env.local - fi -fi - -# this compiler detection could be better -export CC=${CC:-$(which clang-$LLVM_VERSION || which clang || which cc)} -export CXX=${CXX:-$(which clang++-$LLVM_VERSION || which clang++ || which c++)} -export AR=${AR:-$(which llvm-ar || which ar)} -export CPUS=${CPUS:-$(nproc || sysctl -n hw.ncpu || echo 1)} -export RANLIB=${RANLIB:-$(which llvm-ranlib-$LLVM_VERSION || which llvm-ranlib || which ranlib)} - -# on Linux, force using lld as the linker -if [[ $UNAME_OS == 'Linux' ]]; then - export LD=${LD:-$(which ld.lld-$LLVM_VERSION || which ld.lld || which ld)} - export LDFLAGS="${LDFLAGS:-} -fuse-ld=lld " -fi - -export CMAKE_CXX_COMPILER=${CXX} -export CMAKE_C_COMPILER=${CC} - -export FILE_PREFIX_MAP=" -ffile-prefix-map='${BUN_BASE_DIR}'=. -ffile-prefix-map='${BUN_DEPS_DIR}'=src/deps -ffile-prefix-map='${BUN_DEPS_OUT_DIR}'=src/deps " - -export CFLAGS="-O3 -fno-exceptions -fvisibility=hidden -fvisibility-inlines-hidden -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-asynchronous-unwind-tables -fno-unwind-tables $FILE_PREFIX_MAP " -export CXXFLAGS="-O3 -fno-exceptions -fno-rtti -fvisibility=hidden -fvisibility-inlines-hidden -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-asynchronous-unwind-tables -fno-unwind-tables -fno-c++-static-destructors $FILE_PREFIX_MAP " - -# libarchive requires zlib headers for gzip compression support. without them, it will attempt to spawn a gzip process -export CFLAGS="$CFLAGS -I$BUN_DEPS_DIR/zlib " - -# Add flags for LTO -# We cannot enable LTO on macOS for dependencies because it requires -fuse-ld=lld and lld causes many segfaults on macOS (likely related to stack size) -if [ "$USE_LTO" == "1" ] || [ "$USE_LTO" == "ON" ]; then - export CFLAGS="$CFLAGS -flto=full " - export CXXFLAGS="$CXXFLAGS -flto=full -fwhole-program-vtables -fforce-emit-vtables " - export LDFLAGS="${LDFLAGS:-} -flto=full -fwhole-program-vtables -fforce-emit-vtables " -fi - -if [[ $UNAME_OS == 'Linux' ]]; then - export CFLAGS="$CFLAGS -ffunction-sections -fdata-sections -faddrsig " - export CXXFLAGS="$CXXFLAGS -ffunction-sections -fdata-sections -faddrsig " - export LDFLAGS="${LDFLAGS} -Wl,-z,norelro" -fi - -# Clang 18 on macOS needs to have -fno-define-target-os-macros to fix a zlib build issue -# https://gitlab.kitware.com/cmake/cmake/-/issues/25755 -if [[ $UNAME_OS == 'Darwin' && $LLVM_VERSION == '18' ]]; then - export CFLAGS="$CFLAGS -fno-define-target-os-macros " - export CXXFLAGS="$CXXFLAGS -fno-define-target-os-macros -D_LIBCXX_ENABLE_ASSERTIONS=0 -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE " -fi - -# libarchive needs position-independent executables to compile successfully -if [ -n "$FORCE_PIC" ]; then - export CFLAGS="$CFLAGS -fPIC " - export CXXFLAGS="$CXXFLAGS -fPIC " -elif [[ $UNAME_OS == 'Linux' ]]; then - export CFLAGS="$CFLAGS -fno-pie -fno-pic " - export CXXFLAGS="$CXXFLAGS -fno-pie -fno-pic " -fi - -if [[ $UNAME_OS == 'Linux' && ($UNAME_ARCH == 'aarch64' || $UNAME_ARCH == 'arm64') ]]; then - export CFLAGS="$CFLAGS -march=armv8-a+crc -mtune=ampere1 " - export CXXFLAGS="$CXXFLAGS -march=armv8-a+crc -mtune=ampere1 " -fi - -export CMAKE_FLAGS=( - -DCMAKE_C_COMPILER="${CC}" - -DCMAKE_CXX_COMPILER="${CXX}" - -DCMAKE_C_FLAGS="$CFLAGS" - -DCMAKE_CXX_FLAGS="$CXXFLAGS" - -DCMAKE_BUILD_TYPE=Release - -DCMAKE_CXX_STANDARD=20 - -DCMAKE_C_STANDARD=17 - -DCMAKE_CXX_STANDARD_REQUIRED=ON - -DCMAKE_C_STANDARD_REQUIRED=ON -) - -CCACHE=$(which ccache || which sccache || echo "") -if [ -f "$CCACHE" ]; then - CMAKE_FLAGS+=( - -DCMAKE_C_COMPILER_LAUNCHER="$CCACHE" - -DCMAKE_CXX_COMPILER_LAUNCHER="$CCACHE" - ) -fi - -if [[ $UNAME_OS == 'Linux' ]]; then - # Ensure we always use -std=gnu++20 on Linux - CMAKE_FLAGS+=(-DCMAKE_CXX_EXTENSIONS=ON) -fi - -if [[ $UNAME_OS == 'Darwin' ]]; then - export CMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET:-13.0} - CMAKE_FLAGS+=(-DCMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET}) - export CFLAGS="$CFLAGS -mmacos-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET} -D__DARWIN_NON_CANCELABLE=1 " - export CXXFLAGS="$CXXFLAGS -mmacos-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET} -D__DARWIN_NON_CANCELABLE=1 " -fi - -mkdir -p $BUN_DEPS_OUT_DIR - -if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then - echo "C Compiler: ${CC}" - echo "C++ Compiler: ${CXX}" - if [ -n "$CCACHE" ]; then - echo "Ccache: ${CCACHE}" - fi - if [[ $UNAME_OS == 'Darwin' ]]; then - echo "OSX Deployment Target: ${CMAKE_OSX_DEPLOYMENT_TARGET}" - fi -fi diff --git a/scripts/experimental-build.mjs b/scripts/experimental-build.mjs deleted file mode 100755 index 0dcc53138c..0000000000 --- a/scripts/experimental-build.mjs +++ /dev/null @@ -1,318 +0,0 @@ -#! /usr/bin/env node - -import {} from "node:fs/promises"; -import { spawn, spawnSync } from "node:child_process"; -import { copyFileSync, existsSync, mkdirSync, mkdtempSync, readFileSync, readdirSync, writeFileSync } from "node:fs"; -import { basename, dirname, join } from "node:path"; -import { tmpdir } from "node:os"; - -const isWindows = process.platform === "win32"; -const isMacOS = process.platform === "darwin"; -const isLinux = process.platform === "linux"; - -const cwd = dirname(import.meta.dirname); -const spawnSyncTimeout = 1000 * 60; -const spawnTimeout = 1000 * 60 * 3; - -/** - * @typedef {Object} S3UploadOptions - * @property {string} [bucket] - * @property {string} filename - * @property {string} content - * @property {Record} [headers] - */ - -/** - * @param {S3UploadOptions} options - */ -async function uploadFileToS3(options) { - const { AwsV4Signer } = await import("aws4fetch"); - - const { bucket, filename, content, ...extra } = options; - const baseUrl = getEnv(["S3_ENDPOINT", "S3_BASE_URL", "AWS_ENDPOINT"], "https://s3.amazonaws.com"); - const bucketUrl = new URL(bucket || getEnv(["S3_BUCKET", "AWS_BUCKET"]), baseUrl); - - const signer = new AwsV4Signer({ - accessKeyId: getSecret(["S3_ACCESS_KEY_ID", "AWS_ACCESS_KEY_ID"]), - secretAccessKey: getSecret(["S3_SECRET_ACCESS_KEY", "AWS_SECRET_ACCESS_KEY"]), - url: new URL(filename, bucketUrl), - method: "PUT", - body: content, - ...extra, - }); - - const { url, method, headers, body } = signer.sign(); - await fetchSafe(url, { - method, - headers, - body, - }); - - console.log("Uploaded file to S3:", { - url: `${bucketUrl}`, - filename, - }); -} - -/** - * @typedef {Object} SentryRelease - * @property {string} organizationId - * @property {string} projectId - * @property {string} version - * @property {string} [url] - * @property {string} [ref] - * @property {string} [dateReleased] - */ - -/** - * @param {SentryRelease} options - * @returns {Promise} - */ -async function createSentryRelease(options) { - const { organizationId, projectId, ...body } = options; - - const baseUrl = getEnv("SENTRY_BASE_URL", "https://sentry.io"); - const url = new URL(`api/0/organizations/${organizationId}/releases`, baseUrl); - const accessToken = getSecret(["SENTRY_AUTH_TOKEN", "SENTRY_TOKEN"]); - - const release = await fetchSafe(url, { - method: "POST", - headers: { - "Authorization": `Bearer ${accessToken}`, - "Content-Type": "application/json", - }, - body: JSON.stringify(body), - format: "json", - }); - - console.log("Created Sentry release:", release); -} - -/** - * @return {string} - */ -function getGithubToken() { - const token = getEnv("GITHUB_TOKEN", null); - if (token) { - return token; - } - - const gh = which("gh"); - if (gh) { - const { exitCode, stdout } = spawnSyncSafe(gh, ["auth", "token"]); - if (exitCode === 0) { - return stdout.trim(); - } - } - - throw new Error("Failed to get GitHub token (set GITHUB_TOKEN or run `gh auth login`)"); -} - -/** - * @param {string | string[]} name - * @return {string} - */ -function getSecret(name) { - return getEnv(name); -} - -/** - * @param {string | string[]} name - * @param {string | null} [defaultValue] - * @returns {string | undefined} - */ -function getEnv(name, defaultValue) { - let result = defaultValue; - - for (const key of typeof name === "string" ? [name] : name) { - const value = process.env[key]; - if (value) { - result = value; - break; - } - } - - if (result || result === null) { - return result; - } - - throw new Error(`Environment variable is required: ${name}`); -} - -/** - * @typedef {Object} SpawnOptions - * @property {boolean} [throwOnError] - * @property {string} [cwd] - * @property {string} [env] - * @property {string} [encoding] - * @property {number} [timeout] - */ - -/** - * @typedef {Object} SpawnResult - * @property {number | null} exitCode - * @property {number | null} signalCode - * @property {string} stdout - * @property {string} stderr - */ - -/** - * @param {string} command - * @param {string[]} [args] - * @param {SpawnOptions} [options] - * @returns {Promise} - */ -async function spawnSafe(command, args, options = {}) { - const result = new Promise((resolve, reject) => { - let stdout = ""; - let stderr = ""; - let subprocess; - try { - subprocess = spawn(command, args, { - stdio: ["ignore", "pipe", "pipe"], - timeout: spawnTimeout, - ...options, - }); - subprocess.on("error", reject); - subprocess.on("exit", (exitCode, signalCode) => { - if (exitCode !== 0 || signalCode) { - const reason = signalCode || `code ${exitCode}`; - const cause = stderr || stdout; - reject(new Error(`Process exited with ${reason}`, { cause })); - } else { - resolve({ exitCode, signalCode, stdout, stderr }); - } - }); - subprocess?.stdout?.on("data", chunk => { - process.stdout.write(chunk); - stdout += chunk.toString("utf-8"); - }); - subprocess?.stderr?.on("data", chunk => { - process.stderr.write(chunk); - stderr += chunk.toString("utf-8"); - }); - } catch (cause) { - reject(cause); - } - }); - try { - return await result; - } catch (cause) { - if (options.throwOnError === false) { - return; - } - const description = `${command} ${args.join(" ")}`; - throw new Error(`Command failed: ${description}`, { cause }); - } -} - -/** - * @param {string} command - * @param {string[]} [args] - * @param {SpawnOptions} [options] - * @returns {SpawnResult} - */ -function spawnSyncSafe(command, args, options = {}) { - try { - const { error, status, signal, stdout, stderr } = spawnSync(command, args, { - stdio: ["ignore", "pipe", "pipe"], - encoding: "utf-8", - timeout: spawnSyncTimeout, - ...options, - }); - if (error) { - throw error; - } - if (signal || status !== 0) { - const reason = signal || `code ${status}`; - const cause = stderr || stdout; - throw new Error(`Process exited with ${reason}`, { cause }); - } - return stdout; - } catch (cause) { - if (options.throwOnError === false) { - return; - } - const description = `${command} ${args.join(" ")}`; - throw new Error(`Command failed: ${description}`, { cause }); - } -} - -/** - * @typedef {Object} FetchOptions - * @property {string} [method] - * @property {Record} [headers] - * @property {string | Uint8Array} [body] - * @property {"json" | "text" | "bytes"} [format] - * @property {boolean} [throwOnError] - */ - -/** - * @param {string | URL} url - * @param {FetchOptions} [options] - * @returns {Promise} - */ -async function fetchSafe(url, options = {}) { - let response; - try { - response = await fetch(url, options); - if (!response.ok) { - const { status, statusText } = response; - const body = await response.text(); - throw new Error(`${status} ${statusText}`, { cause: body }); - } - switch (options.format) { - case "json": - return await response.json(); - case "text": - return await response.text(); - case "bytes": - return new Uint8Array(await response.arrayBuffer()); - default: - return response; - } - } catch (cause) { - if (options.throwOnError === false) { - return response; - } - throw new Error(`Fetch failed: ${url}`, { cause }); - } -} - -/** - * @param {string} command - * @param {string} [path] - * @returns {string | undefined} - */ -function which(command, path) { - const cmd = isWindows ? "where" : "which"; - const result = spawnSyncSafe(cmd, [command], { - throwOnError: false, - env: { - PATH: path || process.env.PATH, - }, - }); - if (!result) { - return; - } - if (isWindows) { - // On Windows, multiple paths can be returned from `where`. - for (const line of result.split("\r\n")) { - return line; - } - } - return result.trimEnd(); -} - -/** - * @param {string} execPath - * @returns {string | undefined} - */ -function getVersion(execPath) { - const args = /(?:zig)(?:\.exe)?/i.test(execPath) ? ["version"] : ["--version"]; - const result = spawnSyncSafe(execPath, args, { throwOnError: false }); - if (!result) { - return; - } - return result.trim(); -} diff --git a/scripts/features.mjs b/scripts/features.mjs new file mode 100644 index 0000000000..e3f3d455c1 --- /dev/null +++ b/scripts/features.mjs @@ -0,0 +1,7 @@ +// @bun +// Used to generate a features.json file after building Bun. + +import { writeFileSync } from "node:fs"; +import { crash_handler } from "bun:internal-for-testing"; + +writeFileSync("./features.json", JSON.stringify(crash_handler.getFeatureData())); diff --git a/scripts/internal-test.ps1 b/scripts/internal-test.ps1 deleted file mode 100755 index 5135ee00aa..0000000000 --- a/scripts/internal-test.ps1 +++ /dev/null @@ -1,7 +0,0 @@ -$Root = (Join-Path $PSScriptRoot "../") - -Push-Location (Join-Path $Root "packages\bun-internal-test") -try { - npm i - node src\runner.node.mjs -} finally { Pop-Location } \ No newline at end of file diff --git a/scripts/make-old-js.ps1 b/scripts/make-old-js.ps1 deleted file mode 100755 index b3898ef758..0000000000 --- a/scripts/make-old-js.ps1 +++ /dev/null @@ -1,47 +0,0 @@ -$npm_client = "npm" - -# & ${npm_client} i - -$root = Join-Path (Split-Path -Path $MyInvocation.MyCommand.Definition -Parent) "..\" - -# search for .cmd or .exe -function Get-Esbuild-Path { - param( - $Path - ) - - $Result = Join-Path $Path "node_modules\.bin\esbuild.cmd" - if (Test-Path $Result) { - return $Result - } - - return Join-Path $Path "node_modules\.bin\esbuild.exe" -} - -$esbuild = Get-Esbuild-Path $root - -$env:NODE_ENV = "production" - -# runtime.js -echo $esbuild -& ${esbuild} ` - "--target=esnext" "--bundle" ` - "src/runtime.bun.js" ` - "--format=esm" "--platform=node" "--minify" "--external:/bun:*" ` - "--outfile=src/runtime.out.js" -if ($LASTEXITCODE -ne 0) { throw "esbuild failed with exit code $LASTEXITCODE" } - -# fallback_decoder -& ${esbuild} --target=esnext --bundle src/fallback.ts --format=iife --platform=browser --minify > src/fallback.out.js - -# bun-error -Push-Location packages\bun-error -& ${npm_client} install -& ${npm_client} run build -Pop-Location - -# node-fallbacks -Push-Location src\node-fallbacks -& ${npm_client} install -& (Get-Esbuild-Path (Get-Location)) --bundle @(Get-Item .\*.js) --outdir=out --format=esm --minify --platform=browser -Pop-Location diff --git a/scripts/runner.node.mjs b/scripts/runner.node.mjs index 245875d5cf..f91996381f 100755 --- a/scripts/runner.node.mjs +++ b/scripts/runner.node.mjs @@ -146,7 +146,7 @@ async function runTests() { }, }); if (!error) { - break; + break downloadLoop; } const { code } = error; if (code === "EBUSY") { @@ -917,10 +917,21 @@ function getRelevantTests(cwd) { filteredTests.push(...Array.from(smokeTests)); console.log("Smoking tests:", filteredTests.length, "/", availableTests.length); } else if (maxShards > 1) { - const firstTest = shardId * Math.ceil(availableTests.length / maxShards); - const lastTest = Math.min(firstTest + Math.ceil(availableTests.length / maxShards), availableTests.length); - filteredTests.push(...availableTests.slice(firstTest, lastTest)); - console.log("Sharding tests:", firstTest, "...", lastTest, "/", availableTests.length); + for (let i = 0; i < availableTests.length; i++) { + if (i % maxShards === shardId) { + filteredTests.push(availableTests[i]); + } + } + console.log( + "Sharding tests:", + shardId, + "/", + maxShards, + "with tests", + filteredTests.length, + "/", + availableTests.length, + ); } else { filteredTests.push(...availableTests); } diff --git a/scripts/set-webkit-submodule-to-cmake.ps1 b/scripts/set-webkit-submodule-to-cmake.ps1 deleted file mode 100755 index 975f86fcb8..0000000000 --- a/scripts/set-webkit-submodule-to-cmake.ps1 +++ /dev/null @@ -1,22 +0,0 @@ -# Navigate to the parent directory of the script -$scriptPath = Split-Path -Parent $MyInvocation.MyCommand.Path -Push-Location $scriptPath\.. -try { - # Get the WEBKIT_TAG value from CMakeLists.txt - $WEBKIT_TAG = Select-String -Path 'CMakeLists.txt' -Pattern 'set\(WEBKIT_TAG (.*?)\)' | ForEach-Object { $_.Matches.Groups[1].Value } - if (-not $WEBKIT_TAG) { - Write-Host "Could not find WEBKIT_TAG in CMakeLists.txt" - exit 1 - } - - Write-Host "Setting WebKit submodule to $WEBKIT_TAG" - - # Navigate to the WebKit submodule directory - Set-Location src/bun.js/WebKit - - # Fetch and reset the submodule to the specified tag - git fetch origin "$WEBKIT_TAG" - git reset --hard "$WEBKIT_TAG" -} finally { - Pop-Location -} \ No newline at end of file diff --git a/scripts/set-webkit-submodule-to-cmake.sh b/scripts/set-webkit-submodule-to-cmake.sh deleted file mode 100755 index 03d42cd40d..0000000000 --- a/scripts/set-webkit-submodule-to-cmake.sh +++ /dev/null @@ -1,15 +0,0 @@ -#!/usr/bin/env bash -set -exo pipefail - -cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.." - -WEBKIT_TAG=$(grep 'set(WEBKIT_TAG' "CMakeLists.txt" | awk '{print $2}' | cut -f 1 -d ')') -if [ -z "${WEBKIT_TAG}" ]; then - echo "Could not find WEBKIT_TAG in CMakeLists.txt" - exit 1 -fi - -echo "Setting WebKit submodule to ${WEBKIT_TAG}" -cd src/bun.js/WebKit -git fetch origin "${WEBKIT_TAG}" -git reset --hard "${WEBKIT_TAG}" diff --git a/scripts/setup.ps1 b/scripts/setup.ps1 deleted file mode 100755 index 81189c2cd8..0000000000 --- a/scripts/setup.ps1 +++ /dev/null @@ -1,9 +0,0 @@ -throw "This script is not yet complete"; - -npm i - -.\scripts\update-submodules.ps1 -.\scripts\all-dependencies.ps1 -.\scripts\make-old-js.ps1 - -New-Item -Type SymbolicLink -Path .\.vscode\clang++ -Value (Get-Command clang-cl).Source diff --git a/scripts/setup.sh b/scripts/setup.sh deleted file mode 100755 index bd58cdabed..0000000000 --- a/scripts/setup.sh +++ /dev/null @@ -1,146 +0,0 @@ -#!/usr/bin/env bash -set -e - -C_BOLD="\e[1;1m" -C_GREEN="\e[32m" -C_RED="\e[31m" -C_BLUE="\e[34m" -C_RESET="\e[0m" - -has_exec() { - which "$1" >/dev/null 2>&1 || return 1 -} -fail() { - has_failure=1 - printf "${C_RED}setup error${C_RESET}: %s\n" "$@" -} - -if [[ $(uname -s) == 'Darwin' ]]; then - export LLVM_VERSION=18 - - # Use from brew --prefix if available - if has_exec brew; then - export PKG_CONFIG_PATH=$(brew --prefix)/lib/pkgconfig:$PKG_CONFIG_PATH - - # if llvm@18/bin/clang exists, use it - if [ -x "$(brew --prefix)/opt/llvm@$LLVM_VERSION/bin/clang" ]; then - export PATH=$(brew --prefix)/opt/llvm@$LLVM_VERSION/bin:$PATH - export CC=$(brew --prefix)/opt/llvm@$LLVM_VERSION/bin/clang - export CXX=$(brew --prefix)/opt/llvm@$LLVM_VERSION/bin/clang++ - export AR=$(brew --prefix)/opt/llvm@$LLVM_VERSION/bin/llvm-ar - else - export CC=$(which clang-$LLVM_VERSION || which clang || which cc) - export CXX=$(which clang++-$LLVM_VERSION || which clang++ || which c++) - export AR=$(which llvm-ar-$LLVM_VERSION || which llvm-ar || which ar) - fi - fi - - test -n "$CC" || fail "missing LLVM $LLVM_VERSION (could not find clang)" - test -n "$CXX" || fail "missing LLVM $LLVM_VERSION (could not find clang++)" -else - export LLVM_VERSION=16 - - export CC=$(which clang-$LLVM_VERSION || which clang || which cc) - export CXX=$(which clang++-$LLVM_VERSION || which clang++ || which c++) - export AR=$(which llvm-ar-$LLVM_VERSION || which llvm-ar || which ar) -fi - -test -n "$CC" || fail "missing LLVM $LLVM_VERSION (could not find clang)" -test -n "$CXX" || fail "missing LLVM $LLVM_VERSION (could not find clang++)" - -for type in CC CXX; do - compiler="${!type}" - $( - "$compiler" --version | grep "clang version ${LLVM_VERSION}." >/dev/null 2>&1 - ) || fail "LLVM ${LLVM_VERSION} is required. Detected $type as '$compiler'" -done - -has_exec "bun" || fail "you need an existing copy of 'bun' in your path to build bun" -has_exec "cmake" || fail "'cmake' is missing" -has_exec "ninja" || fail "'ninja' is missing" -$( - has_exec "rustc" && - (test $(cargo --version | awk '{print $2}' | cut -d. -f2) -gt 57) && - has_exec "cargo" -) || fail "Rust and Cargo version must be installed (minimum version 1.57)" -has_exec "go" || fail "'go' is missing" - -has_exec "${PKG_CONFIG:-pkg-config}" || fail "'pkg-config' is missing" -has_exec "automake" || fail "'automake' is missing" -has_exec "perl" || fail "'perl' is missing" -has_exec "ruby" || fail "'ruby' is missing" - -if [ -n "$has_failure" ]; then - exit 1 -fi - -rm -f .vscode/clang++ -ln -s "$CXX" .vscode/clang++ - -printf "All system dependencies OK\n" -printf "C Compiler for dependencies: ${CC}\n" -printf "C++ Compiler for dependencies: ${CXX}\n" - -cd "$(dirname "${BASH_SOURCE[0]}")" - -rm -rf env.local -echo "# Environment variables as of last setup.sh run at $(date)" >env.local -echo "export CC=\"${CC}\"" >>env.local -echo "export CXX\"=${CXX}\"" >>env.local -echo "export AR=\"${AR}\"" >>env.local -echo "export PATH=\"${PATH}\"" >>env.local -echo "Saved environment variables to $(pwd)/env.local" - -bash ./update-submodules.sh -bash ./all-dependencies.sh - -cd ../ - -# Install bun dependencies -bun i -# Install test dependencies -cd test -bun i -cd .. - -# TODO(@paperdave): do not use the Makefile please -has_exec "make" || fail "'make' is missing" -make runtime_js fallback_decoder bun_error node-fallbacks - -mkdir -p build -rm -f build/CMakeCache.txt -cmake -B build -S . \ - -G Ninja \ - -DUSE_DEBUG_JSC=ON \ - -DCMAKE_BUILD_TYPE=Debug \ - -DCMAKE_C_COMPILER="$CC" \ - -DCMAKE_CXX_COMPILER="$CXX" \ - -UZIG_COMPILER "$*" - -ninja -C build - -printf "Checking if built bun functions\n" -BUN_VERSION=$(BUN_DEBUG_QUIET_LOGS=1 ./build/bun-debug --version) - -printf "\n" -printf "🎉 ${C_GREEN}${C_BOLD}Development environment setup complete!${C_RESET}\n" -printf "${C_BLUE}bun v${BUN_VERSION} is located at ./build/bun-debug${C_RESET}\n" - -if has_exec bun-debug; then - bun_is_at=$(which bun-debug) - if [ "$(realpath "$bun_is_at")" != "$(realpath "./build/bun-debug")" ]; then - printf "\n" - printf "${C_RED}"'Your $PATH is not configured correctly!\n'"${C_RESET}" - printf "\n" - printf "which bun-debug --> %s\n" "${bun_is_at}" - printf "\n" - printf "You should remove this binary and switch it to ./build:\n" - printf ' export PATH="$PATH:%s"\n' $(realpath "$PWD/build") - fi -else - printf "\n" - printf "You should add ./build to your path:\n" - printf ' export PATH="$PATH:%s"\n' $(realpath "$PWD/build") -fi -printf "\n" -printf "To rebuild bun, run '${C_GREEN}bun run build${C_RESET}'\n\n" diff --git a/scripts/update-submodules.ps1 b/scripts/update-submodules.ps1 deleted file mode 100755 index c822d31d8d..0000000000 --- a/scripts/update-submodules.ps1 +++ /dev/null @@ -1,25 +0,0 @@ -param( - [switch]$WebKit = $false -) - -$ErrorActionPreference = 'Stop' -$ScriptDir = Split-Path -Path $MyInvocation.MyCommand.Definition -Parent -Push-Location (Join-Path $ScriptDir '..') -try { - $Names = Get-Content .gitmodules | Select-String 'path = (.*)' | ForEach-Object { $_.Matches.Groups[1].Value } - - # we will exclude webkit unless you explicitly clone it yourself (a huge download) - if (!($WebKit) -and (-not (Test-Path "src/bun.js/WebKit/.git"))) { - $Names = $Names | Where-Object { $_ -ne 'src/bun.js/WebKit' } - } - if ($env:FORCE_UPDATE_SUBMODULES -eq "1") { - # Set --force in CI. - git submodule update --init --recursive --progress --depth 1 --checkout --force @NAMES - } else { - git submodule update --init --recursive --progress --depth 1 --checkout @NAMES - } - - if ($LASTEXITCODE -ne 0) { - throw "git submodule update failed" - } -} finally { Pop-Location } \ No newline at end of file diff --git a/scripts/update-submodules.sh b/scripts/update-submodules.sh deleted file mode 100755 index f43388f529..0000000000 --- a/scripts/update-submodules.sh +++ /dev/null @@ -1,25 +0,0 @@ -#!/usr/bin/env bash - -set -euo pipefail - -FORCE_UPDATE_SUBMODULES=${FORCE_UPDATE_SUBMODULES:-0} - -cd "$(dirname "${BASH_SOURCE[0]}")" -cd .. -NAMES=$(cat .gitmodules | grep 'path = ' | awk '{print $3}') - -if ! [ "${1:-}" == '--webkit' ]; then - # we will exclude webkit unless you explicitly clone it yourself (a huge download) - if [ ! -e "src/bun.js/WebKit/.git" ]; then - NAMES=$(echo "$NAMES" | grep -v 'WebKit') - fi -fi - -set -exo pipefail -git submodule update --init --recursive --progress --depth=1 --checkout $NAMES -if [ "$FORCE_UPDATE_SUBMODULES" == "1" ]; then - # Set --force in CI. - git submodule update --init --recursive --progress --depth=1 --checkout --force $NAMES -else - git submodule update --init --recursive --progress --depth=1 --checkout $NAMES -fi diff --git a/scripts/vs-shell.ps1 b/scripts/vs-shell.ps1 new file mode 100755 index 0000000000..35694cd1f6 --- /dev/null +++ b/scripts/vs-shell.ps1 @@ -0,0 +1,46 @@ +# Ensures that commands run in a Visual Studio environment. +# This is required to run commands like cmake and ninja on Windows. + +$ErrorActionPreference = "Stop" + +if($env:VSINSTALLDIR -eq $null) { + Write-Host "Loading Visual Studio environment, this may take a second..." + + $vswhere = "C:\Program Files (x86)\Microsoft Visual Studio\Installer\vswhere.exe" + if (!(Test-Path $vswhere)) { + throw "Command not found: vswhere (did you install Visual Studio?)" + } + + $vsDir = (& $vswhere -prerelease -latest -property installationPath) + if ($vsDir -eq $null) { + $vsDir = Get-ChildItem -Path "C:\Program Files\Microsoft Visual Studio\2022" -Directory + if ($vsDir -eq $null) { + throw "Visual Studio directory not found." + } + $vsDir = $vsDir.FullName + } + + Push-Location $vsDir + try { + $vsShell = (Join-Path -Path $vsDir -ChildPath "Common7\Tools\Launch-VsDevShell.ps1") + . $vsShell -Arch amd64 -HostArch amd64 + } finally { + Pop-Location + } +} + +if($env:VSCMD_ARG_TGT_ARCH -eq "x86") { + throw "Visual Studio environment is targeting 32 bit, but only 64 bit is supported." +} + +if ($args.Count -gt 0) { + $command = $args[0] + $commandArgs = @() + if ($args.Count -gt 1) { + $commandArgs = @($args[1..($args.Count - 1)] | % {$_}) + } + + Write-Host "$ $command $commandArgs" + & $command $commandArgs + exit $LASTEXITCODE +} diff --git a/src/bun.js/WebKit b/src/bun.js/WebKit deleted file mode 160000 index f9a0fda2d2..0000000000 --- a/src/bun.js/WebKit +++ /dev/null @@ -1 +0,0 @@ -Subproject commit f9a0fda2d2b2fd001a00bfcf8e7917a56b382516 diff --git a/src/bun.js/bindings/sqlite/CMakeLists.txt b/src/bun.js/bindings/sqlite/CMakeLists.txt new file mode 100644 index 0000000000..9609feb3d3 --- /dev/null +++ b/src/bun.js/bindings/sqlite/CMakeLists.txt @@ -0,0 +1,19 @@ +cmake_minimum_required(VERSION 3.28) +project(sqlite3 C) + +add_library(sqlite3 STATIC sqlite3.c) +target_include_directories(sqlite3 PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}) +target_compile_definitions(sqlite3 PRIVATE + "SQLITE_ENABLE_COLUMN_METADATA=" + "SQLITE_MAX_VARIABLE_NUMBER=250000" + "SQLITE_ENABLE_RTREE=1" + "SQLITE_ENABLE_FTS3=1" + "SQLITE_ENABLE_FTS3_PARENTHESIS=1" + "SQLITE_ENABLE_FTS5=1" + "SQLITE_ENABLE_JSON1=1" + "SQLITE_ENABLE_MATH_FUNCTIONS=1" +) + +if(WIN32) + target_compile_options(sqlite3 PRIVATE /MT /U_DLL) +endif() diff --git a/src/deps/boringssl b/src/deps/boringssl deleted file mode 160000 index 29a2cd3594..0000000000 --- a/src/deps/boringssl +++ /dev/null @@ -1 +0,0 @@ -Subproject commit 29a2cd359458c9384694b75456026e4b57e3e567 diff --git a/src/deps/brotli/README.md b/src/deps/brotli/README.md deleted file mode 100644 index f49a752737..0000000000 --- a/src/deps/brotli/README.md +++ /dev/null @@ -1,5 +0,0 @@ -# Brotli 1.1.0 - -This is a vendored copy of [Brotli](https://github.com/google/brotli/commits/v1.1.0) v1.1.0, with just the C source files. - -Brotli is MIT licensed. diff --git a/src/deps/brotli/common/constants.c b/src/deps/brotli/common/constants.c deleted file mode 100644 index 89866b1505..0000000000 --- a/src/deps/brotli/common/constants.c +++ /dev/null @@ -1,15 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -#include "constants.h" - -const BrotliPrefixCodeRange - _kBrotliPrefixCodeRanges[BROTLI_NUM_BLOCK_LEN_SYMBOLS] = { - {1, 2}, {5, 2}, {9, 2}, {13, 2}, {17, 3}, {25, 3}, - {33, 3}, {41, 3}, {49, 4}, {65, 4}, {81, 4}, {97, 4}, - {113, 5}, {145, 5}, {177, 5}, {209, 5}, {241, 6}, {305, 6}, - {369, 7}, {497, 8}, {753, 9}, {1265, 10}, {2289, 11}, {4337, 12}, - {8433, 13}, {16625, 24}}; diff --git a/src/deps/brotli/common/constants.h b/src/deps/brotli/common/constants.h deleted file mode 100644 index 31e5bd376e..0000000000 --- a/src/deps/brotli/common/constants.h +++ /dev/null @@ -1,201 +0,0 @@ -/* Copyright 2016 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/** - * @file - * Common constants used in decoder and encoder API. - */ - -#ifndef BROTLI_COMMON_CONSTANTS_H_ -#define BROTLI_COMMON_CONSTANTS_H_ - -#include -#include - -#include "platform.h" - -/* Specification: 7.3. Encoding of the context map */ -#define BROTLI_CONTEXT_MAP_MAX_RLE 16 - -/* Specification: 2. Compressed representation overview */ -#define BROTLI_MAX_NUMBER_OF_BLOCK_TYPES 256 - -/* Specification: 3.3. Alphabet sizes: insert-and-copy length */ -#define BROTLI_NUM_LITERAL_SYMBOLS 256 -#define BROTLI_NUM_COMMAND_SYMBOLS 704 -#define BROTLI_NUM_BLOCK_LEN_SYMBOLS 26 -#define BROTLI_MAX_CONTEXT_MAP_SYMBOLS (BROTLI_MAX_NUMBER_OF_BLOCK_TYPES + \ - BROTLI_CONTEXT_MAP_MAX_RLE) -#define BROTLI_MAX_BLOCK_TYPE_SYMBOLS (BROTLI_MAX_NUMBER_OF_BLOCK_TYPES + 2) - -/* Specification: 3.5. Complex prefix codes */ -#define BROTLI_REPEAT_PREVIOUS_CODE_LENGTH 16 -#define BROTLI_REPEAT_ZERO_CODE_LENGTH 17 -#define BROTLI_CODE_LENGTH_CODES (BROTLI_REPEAT_ZERO_CODE_LENGTH + 1) -/* "code length of 8 is repeated" */ -#define BROTLI_INITIAL_REPEATED_CODE_LENGTH 8 - -/* "Large Window Brotli" */ - -/** - * The theoretical maximum number of distance bits specified for large window - * brotli, for 64-bit encoders and decoders. Even when in practice 32-bit - * encoders and decoders only support up to 30 max distance bits, the value is - * set to 62 because it affects the large window brotli file format. - * Specifically, it affects the encoding of simple huffman tree for distances, - * see Specification RFC 7932 chapter 3.4. - */ -#define BROTLI_LARGE_MAX_DISTANCE_BITS 62U -#define BROTLI_LARGE_MIN_WBITS 10 -/** - * The maximum supported large brotli window bits by the encoder and decoder. - * Large window brotli allows up to 62 bits, however the current encoder and - * decoder, designed for 32-bit integers, only support up to 30 bits maximum. - */ -#define BROTLI_LARGE_MAX_WBITS 30 - -/* Specification: 4. Encoding of distances */ -#define BROTLI_NUM_DISTANCE_SHORT_CODES 16 -/** - * Maximal number of "postfix" bits. - * - * Number of "postfix" bits is stored as 2 bits in meta-block header. - */ -#define BROTLI_MAX_NPOSTFIX 3 -#define BROTLI_MAX_NDIRECT 120 -#define BROTLI_MAX_DISTANCE_BITS 24U -#define BROTLI_DISTANCE_ALPHABET_SIZE(NPOSTFIX, NDIRECT, MAXNBITS) ( \ - BROTLI_NUM_DISTANCE_SHORT_CODES + (NDIRECT) + \ - ((MAXNBITS) << ((NPOSTFIX) + 1))) -/* BROTLI_NUM_DISTANCE_SYMBOLS == 1128 */ -#define BROTLI_NUM_DISTANCE_SYMBOLS \ - BROTLI_DISTANCE_ALPHABET_SIZE( \ - BROTLI_MAX_NDIRECT, BROTLI_MAX_NPOSTFIX, BROTLI_LARGE_MAX_DISTANCE_BITS) - -/* ((1 << 26) - 4) is the maximal distance that can be expressed in RFC 7932 - brotli stream using NPOSTFIX = 0 and NDIRECT = 0. With other NPOSTFIX and - NDIRECT values distances up to ((1 << 29) + 88) could be expressed. */ -#define BROTLI_MAX_DISTANCE 0x3FFFFFC - -/* ((1 << 31) - 4) is the safe distance limit. Using this number as a limit - allows safe distance calculation without overflows, given the distance - alphabet size is limited to corresponding size - (see kLargeWindowDistanceCodeLimits). */ -#define BROTLI_MAX_ALLOWED_DISTANCE 0x7FFFFFFC - - -/* Specification: 4. Encoding of Literal Insertion Lengths and Copy Lengths */ -#define BROTLI_NUM_INS_COPY_CODES 24 - -/* 7.1. Context modes and context ID lookup for literals */ -/* "context IDs for literals are in the range of 0..63" */ -#define BROTLI_LITERAL_CONTEXT_BITS 6 - -/* 7.2. Context ID for distances */ -#define BROTLI_DISTANCE_CONTEXT_BITS 2 - -/* 9.1. Format of the Stream Header */ -/* Number of slack bytes for window size. Don't confuse - with BROTLI_NUM_DISTANCE_SHORT_CODES. */ -#define BROTLI_WINDOW_GAP 16 -#define BROTLI_MAX_BACKWARD_LIMIT(W) (((size_t)1 << (W)) - BROTLI_WINDOW_GAP) - -typedef struct BrotliDistanceCodeLimit { - uint32_t max_alphabet_size; - uint32_t max_distance; -} BrotliDistanceCodeLimit; - -/* This function calculates maximal size of distance alphabet, such that the - distances greater than the given values can not be represented. - - This limits are designed to support fast and safe 32-bit decoders. - "32-bit" means that signed integer values up to ((1 << 31) - 1) could be - safely expressed. - - Brotli distance alphabet symbols do not represent consecutive distance - ranges. Each distance alphabet symbol (excluding direct distances and short - codes), represent interleaved (for NPOSTFIX > 0) range of distances. - A "group" of consecutive (1 << NPOSTFIX) symbols represent non-interleaved - range. Two consecutive groups require the same amount of "extra bits". - - It is important that distance alphabet represents complete "groups". - To avoid complex logic on encoder side about interleaved ranges - it was decided to restrict both sides to complete distance code "groups". - */ -BROTLI_UNUSED_FUNCTION BrotliDistanceCodeLimit BrotliCalculateDistanceCodeLimit( - uint32_t max_distance, uint32_t npostfix, uint32_t ndirect) { - BrotliDistanceCodeLimit result; - /* Marking this function as unused, because not all files - including "constants.h" use it -> compiler warns about that. */ - BROTLI_UNUSED(&BrotliCalculateDistanceCodeLimit); - if (max_distance <= ndirect) { - /* This case never happens / exists only for the sake of completeness. */ - result.max_alphabet_size = max_distance + BROTLI_NUM_DISTANCE_SHORT_CODES; - result.max_distance = max_distance; - return result; - } else { - /* The first prohibited value. */ - uint32_t forbidden_distance = max_distance + 1; - /* Subtract "directly" encoded region. */ - uint32_t offset = forbidden_distance - ndirect - 1; - uint32_t ndistbits = 0; - uint32_t tmp; - uint32_t half; - uint32_t group; - /* Postfix for the last dcode in the group. */ - uint32_t postfix = (1u << npostfix) - 1; - uint32_t extra; - uint32_t start; - /* Remove postfix and "head-start". */ - offset = (offset >> npostfix) + 4; - /* Calculate the number of distance bits. */ - tmp = offset / 2; - /* Poor-man's log2floor, to avoid extra dependencies. */ - while (tmp != 0) {ndistbits++; tmp = tmp >> 1;} - /* One bit is covered with subrange addressing ("half"). */ - ndistbits--; - /* Find subrange. */ - half = (offset >> ndistbits) & 1; - /* Calculate the "group" part of dcode. */ - group = ((ndistbits - 1) << 1) | half; - /* Calculated "group" covers the prohibited distance value. */ - if (group == 0) { - /* This case is added for correctness; does not occur for limit > 128. */ - result.max_alphabet_size = ndirect + BROTLI_NUM_DISTANCE_SHORT_CODES; - result.max_distance = ndirect; - return result; - } - /* Decrement "group", so it is the last permitted "group". */ - group--; - /* After group was decremented, ndistbits and half must be recalculated. */ - ndistbits = (group >> 1) + 1; - /* The last available distance in the subrange has all extra bits set. */ - extra = (1u << ndistbits) - 1; - /* Calculate region start. NB: ndistbits >= 1. */ - start = (1u << (ndistbits + 1)) - 4; - /* Move to subregion. */ - start += (group & 1) << ndistbits; - /* Calculate the alphabet size. */ - result.max_alphabet_size = ((group << npostfix) | postfix) + ndirect + - BROTLI_NUM_DISTANCE_SHORT_CODES + 1; - /* Calculate the maximal distance representable by alphabet. */ - result.max_distance = ((start + extra) << npostfix) + postfix + ndirect + 1; - return result; - } -} - -/* Represents the range of values belonging to a prefix code: - [offset, offset + 2^nbits) */ -typedef struct { - uint16_t offset; - uint8_t nbits; -} BrotliPrefixCodeRange; - -/* "Soft-private", it is exported, but not "advertised" as API. */ -BROTLI_COMMON_API extern const BrotliPrefixCodeRange - _kBrotliPrefixCodeRanges[BROTLI_NUM_BLOCK_LEN_SYMBOLS]; - -#endif /* BROTLI_COMMON_CONSTANTS_H_ */ diff --git a/src/deps/brotli/common/context.c b/src/deps/brotli/common/context.c deleted file mode 100644 index 7f9c958699..0000000000 --- a/src/deps/brotli/common/context.c +++ /dev/null @@ -1,156 +0,0 @@ -#include "context.h" - -#include - -/* Common context lookup table for all context modes. */ -const uint8_t _kBrotliContextLookupTable[2048] = { - /* CONTEXT_LSB6, last byte. */ - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, - 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, - 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, - 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, - 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, - 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, - 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, - 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, - 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, - - /* CONTEXT_LSB6, second last byte, */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - - /* CONTEXT_MSB6, last byte. */ - 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, - 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, - 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, - 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, - 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, 19, 19, 19, 19, - 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23, 23, - 24, 24, 24, 24, 25, 25, 25, 25, 26, 26, 26, 26, 27, 27, 27, 27, - 28, 28, 28, 28, 29, 29, 29, 29, 30, 30, 30, 30, 31, 31, 31, 31, - 32, 32, 32, 32, 33, 33, 33, 33, 34, 34, 34, 34, 35, 35, 35, 35, - 36, 36, 36, 36, 37, 37, 37, 37, 38, 38, 38, 38, 39, 39, 39, 39, - 40, 40, 40, 40, 41, 41, 41, 41, 42, 42, 42, 42, 43, 43, 43, 43, - 44, 44, 44, 44, 45, 45, 45, 45, 46, 46, 46, 46, 47, 47, 47, 47, - 48, 48, 48, 48, 49, 49, 49, 49, 50, 50, 50, 50, 51, 51, 51, 51, - 52, 52, 52, 52, 53, 53, 53, 53, 54, 54, 54, 54, 55, 55, 55, 55, - 56, 56, 56, 56, 57, 57, 57, 57, 58, 58, 58, 58, 59, 59, 59, 59, - 60, 60, 60, 60, 61, 61, 61, 61, 62, 62, 62, 62, 63, 63, 63, 63, - - /* CONTEXT_MSB6, second last byte, */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - - /* CONTEXT_UTF8, last byte. */ - /* ASCII range. */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 0, 0, 4, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 8, 12, 16, 12, 12, 20, 12, 16, 24, 28, 12, 12, 32, 12, 36, 12, - 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 32, 32, 24, 40, 28, 12, - 12, 48, 52, 52, 52, 48, 52, 52, 52, 48, 52, 52, 52, 52, 52, 48, - 52, 52, 52, 52, 52, 48, 52, 52, 52, 52, 52, 24, 12, 28, 12, 12, - 12, 56, 60, 60, 60, 56, 60, 60, 60, 56, 60, 60, 60, 60, 60, 56, - 60, 60, 60, 60, 60, 56, 60, 60, 60, 60, 60, 24, 12, 28, 12, 0, - /* UTF8 continuation byte range. */ - 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, - /* UTF8 lead byte range. */ - 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, - 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, - 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, - 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, - - /* CONTEXT_UTF8 second last byte. */ - /* ASCII range. */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, - 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, - 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 0, - /* UTF8 continuation byte range. */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - /* UTF8 lead byte range. */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - - /* CONTEXT_SIGNED, last byte, same as the above values shifted by 3 bits. */ - 0, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, - 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, - 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, - 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, - 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, - 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, - 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, - 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, - 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, - 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 56, - - /* CONTEXT_SIGNED, second last byte. */ - 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, - 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, -}; diff --git a/src/deps/brotli/common/context.h b/src/deps/brotli/common/context.h deleted file mode 100644 index 685a279dc0..0000000000 --- a/src/deps/brotli/common/context.h +++ /dev/null @@ -1,113 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Lookup table to map the previous two bytes to a context id. - - There are four different context modeling modes defined here: - CONTEXT_LSB6: context id is the least significant 6 bits of the last byte, - CONTEXT_MSB6: context id is the most significant 6 bits of the last byte, - CONTEXT_UTF8: second-order context model tuned for UTF8-encoded text, - CONTEXT_SIGNED: second-order context model tuned for signed integers. - - If |p1| and |p2| are the previous two bytes, and |mode| is current context - mode, we calculate the context as: - - context = ContextLut(mode)[p1] | ContextLut(mode)[p2 + 256]. - - For CONTEXT_UTF8 mode, if the previous two bytes are ASCII characters - (i.e. < 128), this will be equivalent to - - context = 4 * context1(p1) + context2(p2), - - where context1 is based on the previous byte in the following way: - - 0 : non-ASCII control - 1 : \t, \n, \r - 2 : space - 3 : other punctuation - 4 : " ' - 5 : % - 6 : ( < [ { - 7 : ) > ] } - 8 : , ; : - 9 : . - 10 : = - 11 : number - 12 : upper-case vowel - 13 : upper-case consonant - 14 : lower-case vowel - 15 : lower-case consonant - - and context2 is based on the second last byte: - - 0 : control, space - 1 : punctuation - 2 : upper-case letter, number - 3 : lower-case letter - - If the last byte is ASCII, and the second last byte is not (in a valid UTF8 - stream it will be a continuation byte, value between 128 and 191), the - context is the same as if the second last byte was an ASCII control or space. - - If the last byte is a UTF8 lead byte (value >= 192), then the next byte will - be a continuation byte and the context id is 2 or 3 depending on the LSB of - the last byte and to a lesser extent on the second last byte if it is ASCII. - - If the last byte is a UTF8 continuation byte, the second last byte can be: - - continuation byte: the next byte is probably ASCII or lead byte (assuming - 4-byte UTF8 characters are rare) and the context id is 0 or 1. - - lead byte (192 - 207): next byte is ASCII or lead byte, context is 0 or 1 - - lead byte (208 - 255): next byte is continuation byte, context is 2 or 3 - - The possible value combinations of the previous two bytes, the range of - context ids and the type of the next byte is summarized in the table below: - - |--------\-----------------------------------------------------------------| - | \ Last byte | - | Second \---------------------------------------------------------------| - | last byte \ ASCII | cont. byte | lead byte | - | \ (0-127) | (128-191) | (192-) | - |=============|===================|=====================|==================| - | ASCII | next: ASCII/lead | not valid | next: cont. | - | (0-127) | context: 4 - 63 | | context: 2 - 3 | - |-------------|-------------------|---------------------|------------------| - | cont. byte | next: ASCII/lead | next: ASCII/lead | next: cont. | - | (128-191) | context: 4 - 63 | context: 0 - 1 | context: 2 - 3 | - |-------------|-------------------|---------------------|------------------| - | lead byte | not valid | next: ASCII/lead | not valid | - | (192-207) | | context: 0 - 1 | | - |-------------|-------------------|---------------------|------------------| - | lead byte | not valid | next: cont. | not valid | - | (208-) | | context: 2 - 3 | | - |-------------|-------------------|---------------------|------------------| -*/ - -#ifndef BROTLI_COMMON_CONTEXT_H_ -#define BROTLI_COMMON_CONTEXT_H_ - -#include -#include - -typedef enum ContextType { - CONTEXT_LSB6 = 0, - CONTEXT_MSB6 = 1, - CONTEXT_UTF8 = 2, - CONTEXT_SIGNED = 3 -} ContextType; - -/* "Soft-private", it is exported, but not "advertised" as API. */ -/* Common context lookup table for all context modes. */ -BROTLI_COMMON_API extern const uint8_t _kBrotliContextLookupTable[2048]; - -typedef const uint8_t* ContextLut; - -/* typeof(MODE) == ContextType; returns ContextLut */ -#define BROTLI_CONTEXT_LUT(MODE) (&_kBrotliContextLookupTable[(MODE) << 9]) - -/* typeof(LUT) == ContextLut */ -#define BROTLI_CONTEXT(P1, P2, LUT) ((LUT)[P1] | ((LUT) + 256)[P2]) - -#endif /* BROTLI_COMMON_CONTEXT_H_ */ diff --git a/src/deps/brotli/common/dictionary.c b/src/deps/brotli/common/dictionary.c deleted file mode 100644 index 7c015ab0ba..0000000000 --- a/src/deps/brotli/common/dictionary.c +++ /dev/null @@ -1,5916 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -#include "dictionary.h" -#include "platform.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#if !defined(BROTLI_EXTERNAL_DICTIONARY_DATA) -static const uint8_t kBrotliDictionaryData[] = -/* GENERATED CODE START */ -{ -116,105,109,101,100,111,119,110,108,105,102,101,108,101,102,116,98,97,99,107,99, -111,100,101,100,97,116,97,115,104,111,119,111,110,108,121,115,105,116,101,99,105 -,116,121,111,112,101,110,106,117,115,116,108,105,107,101,102,114,101,101,119,111 -,114,107,116,101,120,116,121,101,97,114,111,118,101,114,98,111,100,121,108,111, -118,101,102,111,114,109,98,111,111,107,112,108,97,121,108,105,118,101,108,105, -110,101,104,101,108,112,104,111,109,101,115,105,100,101,109,111,114,101,119,111, -114,100,108,111,110,103,116,104,101,109,118,105,101,119,102,105,110,100,112,97, -103,101,100,97,121,115,102,117,108,108,104,101,97,100,116,101,114,109,101,97,99, -104,97,114,101,97,102,114,111,109,116,114,117,101,109,97,114,107,97,98,108,101, -117,112,111,110,104,105,103,104,100,97,116,101,108,97,110,100,110,101,119,115, -101,118,101,110,110,101,120,116,99,97,115,101,98,111,116,104,112,111,115,116,117 -,115,101,100,109,97,100,101,104,97,110,100,104,101,114,101,119,104,97,116,110,97 -,109,101,76,105,110,107,98,108,111,103,115,105,122,101,98,97,115,101,104,101,108 -,100,109,97,107,101,109,97,105,110,117,115,101,114,39,41,32,43,104,111,108,100, -101,110,100,115,119,105,116,104,78,101,119,115,114,101,97,100,119,101,114,101, -115,105,103,110,116,97,107,101,104,97,118,101,103,97,109,101,115,101,101,110,99, -97,108,108,112,97,116,104,119,101,108,108,112,108,117,115,109,101,110,117,102, -105,108,109,112,97,114,116,106,111,105,110,116,104,105,115,108,105,115,116,103, -111,111,100,110,101,101,100,119,97,121,115,119,101,115,116,106,111,98,115,109, -105,110,100,97,108,115,111,108,111,103,111,114,105,99,104,117,115,101,115,108,97 -,115,116,116,101,97,109,97,114,109,121,102,111,111,100,107,105,110,103,119,105, -108,108,101,97,115,116,119,97,114,100,98,101,115,116,102,105,114,101,80,97,103, -101,107,110,111,119,97,119,97,121,46,112,110,103,109,111,118,101,116,104,97,110, -108,111,97,100,103,105,118,101,115,101,108,102,110,111,116,101,109,117,99,104, -102,101,101,100,109,97,110,121,114,111,99,107,105,99,111,110,111,110,99,101,108, -111,111,107,104,105,100,101,100,105,101,100,72,111,109,101,114,117,108,101,104, -111,115,116,97,106,97,120,105,110,102,111,99,108,117,98,108,97,119,115,108,101, -115,115,104,97,108,102,115,111,109,101,115,117,99,104,122,111,110,101,49,48,48, -37,111,110,101,115,99,97,114,101,84,105,109,101,114,97,99,101,98,108,117,101,102 -,111,117,114,119,101,101,107,102,97,99,101,104,111,112,101,103,97,118,101,104,97 -,114,100,108,111,115,116,119,104,101,110,112,97,114,107,107,101,112,116,112,97, -115,115,115,104,105,112,114,111,111,109,72,84,77,76,112,108,97,110,84,121,112, -101,100,111,110,101,115,97,118,101,107,101,101,112,102,108,97,103,108,105,110, -107,115,111,108,100,102,105,118,101,116,111,111,107,114,97,116,101,116,111,119, -110,106,117,109,112,116,104,117,115,100,97,114,107,99,97,114,100,102,105,108,101 -,102,101,97,114,115,116,97,121,107,105,108,108,116,104,97,116,102,97,108,108,97, -117,116,111,101,118,101,114,46,99,111,109,116,97,108,107,115,104,111,112,118,111 -,116,101,100,101,101,112,109,111,100,101,114,101,115,116,116,117,114,110,98,111, -114,110,98,97,110,100,102,101,108,108,114,111,115,101,117,114,108,40,115,107,105 -,110,114,111,108,101,99,111,109,101,97,99,116,115,97,103,101,115,109,101,101,116 -,103,111,108,100,46,106,112,103,105,116,101,109,118,97,114,121,102,101,108,116, -116,104,101,110,115,101,110,100,100,114,111,112,86,105,101,119,99,111,112,121,49 -,46,48,34,60,47,97,62,115,116,111,112,101,108,115,101,108,105,101,115,116,111, -117,114,112,97,99,107,46,103,105,102,112,97,115,116,99,115,115,63,103,114,97,121 -,109,101,97,110,38,103,116,59,114,105,100,101,115,104,111,116,108,97,116,101,115 -,97,105,100,114,111,97,100,118,97,114,32,102,101,101,108,106,111,104,110,114,105 -,99,107,112,111,114,116,102,97,115,116,39,85,65,45,100,101,97,100,60,47,98,62, -112,111,111,114,98,105,108,108,116,121,112,101,85,46,83,46,119,111,111,100,109, -117,115,116,50,112,120,59,73,110,102,111,114,97,110,107,119,105,100,101,119,97, -110,116,119,97,108,108,108,101,97,100,91,48,93,59,112,97,117,108,119,97,118,101, -115,117,114,101,36,40,39,35,119,97,105,116,109,97,115,115,97,114,109,115,103,111 -,101,115,103,97,105,110,108,97,110,103,112,97,105,100,33,45,45,32,108,111,99,107 -,117,110,105,116,114,111,111,116,119,97,108,107,102,105,114,109,119,105,102,101, -120,109,108,34,115,111,110,103,116,101,115,116,50,48,112,120,107,105,110,100,114 -,111,119,115,116,111,111,108,102,111,110,116,109,97,105,108,115,97,102,101,115, 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-101,116,69,108,101,109,101,110,116,115,66,121,84,97,103,78,97,109,101,40,115,110 -,105,99,97,108,34,32,104,114,101,102,61,34,104,116,116,112,58,47,47,119,119,119, -46,67,47,47,68,84,68,32,72,84,77,76,32,52,46,48,49,32,84,114,97,110,115,105,116, -60,115,116,121,108,101,32,116,121,112,101,61,34,116,101,120,116,47,99,115,115,34 -,62,10,10,60,115,116,121,108,101,32,116,121,112,101,61,34,116,101,120,116,47,99, -115,115,34,62,105,111,110,97,108,46,100,116,100,34,62,10,60,104,116,109,108,32, -120,109,108,110,115,61,104,116,116,112,45,101,113,117,105,118,61,34,67,111,110, -116,101,110,116,45,84,121,112,101,100,105,110,103,61,34,48,34,32,99,101,108,108, -115,112,97,99,105,110,103,61,34,48,34,104,116,109,108,59,32,99,104,97,114,115, -101,116,61,117,116,102,45,56,34,32,47,62,10,32,115,116,121,108,101,61,34,100,105 -,115,112,108,97,121,58,110,111,110,101,59,34,62,60,60,108,105,62,60,97,32,104, -114,101,102,61,34,104,116,116,112,58,47,47,119,119,119,46,32,116,121,112,101,61, -39,116,101,120,116,47,106,97,118,97,115,99,114,105,112,116,39,62,208,180,208,181 -,209,143,209,130,208,181,208,187,209,140,208,189,208,190,209,129,209,130,208,184 -,209,129,208,190,208,190,209,130,208,178,208,181,209,130,209,129,209,130,208,178 -,208,184,208,184,208,191,209,128,208,190,208,184,208,183,208,178,208,190,208,180 -,209,129,209,130,208,178,208,176,208,177,208,181,208,183,208,190,208,191,208,176 -,209,129,208,189,208,190,209,129,209,130,208,184,224,164,170,224,165,129,224,164 -,184,224,165,141,224,164,164,224,164,191,224,164,149,224,164,190,224,164,149,224 -,164,190,224,164,130,224,164,151,224,165,141,224,164,176,224,165,135,224,164,184 -,224,164,137,224,164,168,224,165,141,224,164,185,224,165,139,224,164,130,224,164 -,168,224,165,135,224,164,181,224,164,191,224,164,167,224,164,190,224,164,168,224 -,164,184,224,164,173,224,164,190,224,164,171,224,164,191,224,164,149,224,165,141 -,224,164,184,224,164,191,224,164,130,224,164,151,224,164,184,224,165,129,224,164 -,176,224,164,149,224,165,141,224,164,183,224,164,191,224,164,164,224,164,149,224 -,165,137,224,164,170,224,165,128,224,164,176,224,164,190,224,164,135,224,164,159 -,224,164,181,224,164,191,224,164,156,224,165,141,224,164,158,224,164,190,224,164 -,170,224,164,168,224,164,149,224,164,190,224,164,176,224,165,141,224,164,176,224 -,164,181,224,164,190,224,164,136,224,164,184,224,164,149,224,165,141,224,164,176 -,224,164,191,224,164,175,224,164,164,224,164,190 -} -/* GENERATED CODE END */ -; -#endif /* !BROTLI_EXTERNAL_DICTIONARY_DATA */ - -#if !defined(BROTLI_EXTERNAL_DICTIONARY_DATA) -static const BrotliDictionary kBrotliDictionary = { -#else -static BrotliDictionary kBrotliDictionary = { -#endif - /* size_bits_by_length */ - { - 0, 0, 0, 0, 10, 10, 11, 11, - 10, 10, 10, 10, 10, 9, 9, 8, - 7, 7, 8, 7, 7, 6, 6, 5, - 5, 0, 0, 0, 0, 0, 0, 0 - }, - - /* offsets_by_length */ - { - 0, 0, 0, 0, 0, 4096, 9216, 21504, - 35840, 44032, 53248, 63488, 74752, 87040, 93696, 100864, - 104704, 106752, 108928, 113536, 115968, 118528, 119872, 121280, - 122016, 122784, 122784, 122784, 122784, 122784, 122784, 122784 - }, - - /* data_size == sizeof(kBrotliDictionaryData) */ - 122784, - - /* data */ -#if defined(BROTLI_EXTERNAL_DICTIONARY_DATA) - NULL -#else - kBrotliDictionaryData -#endif -}; - -const BrotliDictionary* BrotliGetDictionary(void) { - return &kBrotliDictionary; -} - -void BrotliSetDictionaryData(const uint8_t* data) { -#if defined(BROTLI_EXTERNAL_DICTIONARY_DATA) - if (!!data && !kBrotliDictionary.data) { - kBrotliDictionary.data = data; - } -#else - BROTLI_UNUSED(data); // Appease -Werror=unused-parameter -#endif -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/common/dictionary.h b/src/deps/brotli/common/dictionary.h deleted file mode 100644 index b1c6f7f580..0000000000 --- a/src/deps/brotli/common/dictionary.h +++ /dev/null @@ -1,64 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Collection of static dictionary words. */ - -#ifndef BROTLI_COMMON_DICTIONARY_H_ -#define BROTLI_COMMON_DICTIONARY_H_ - -#include -#include - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -typedef struct BrotliDictionary { - /** - * Number of bits to encode index of dictionary word in a bucket. - * - * Specification: Appendix A. Static Dictionary Data - * - * Words in a dictionary are bucketed by length. - * @c 0 means that there are no words of a given length. - * Dictionary consists of words with length of [4..24] bytes. - * Values at [0..3] and [25..31] indices should not be addressed. - */ - uint8_t size_bits_by_length[32]; - - /* assert(offset[i + 1] == offset[i] + (bits[i] ? (i << bits[i]) : 0)) */ - uint32_t offsets_by_length[32]; - - /* assert(data_size == offsets_by_length[31]) */ - size_t data_size; - - /* Data array is not bound, and should obey to size_bits_by_length values. - Specified size matches default (RFC 7932) dictionary. Its size is - defined by data_size */ - const uint8_t* data; -} BrotliDictionary; - -BROTLI_COMMON_API const BrotliDictionary* BrotliGetDictionary(void); - -/** - * Sets dictionary data. - * - * When dictionary data is already set / present, this method is no-op. - * - * Dictionary data MUST be provided before BrotliGetDictionary is invoked. - * This method is used ONLY in multi-client environment (e.g. C + Java), - * to reduce storage by sharing single dictionary between implementations. - */ -BROTLI_COMMON_API void BrotliSetDictionaryData(const uint8_t* data); - -#define BROTLI_MIN_DICTIONARY_WORD_LENGTH 4 -#define BROTLI_MAX_DICTIONARY_WORD_LENGTH 24 - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_COMMON_DICTIONARY_H_ */ diff --git a/src/deps/brotli/common/platform.c b/src/deps/brotli/common/platform.c deleted file mode 100644 index 25d84a9467..0000000000 --- a/src/deps/brotli/common/platform.c +++ /dev/null @@ -1,23 +0,0 @@ -/* Copyright 2016 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -#include - -#include - -#include "platform.h" - -/* Default brotli_alloc_func */ -void* BrotliDefaultAllocFunc(void* opaque, size_t size) { - BROTLI_UNUSED(opaque); - return malloc(size); -} - -/* Default brotli_free_func */ -void BrotliDefaultFreeFunc(void* opaque, void* address) { - BROTLI_UNUSED(opaque); - free(address); -} diff --git a/src/deps/brotli/common/platform.h b/src/deps/brotli/common/platform.h deleted file mode 100644 index 7406f3fe69..0000000000 --- a/src/deps/brotli/common/platform.h +++ /dev/null @@ -1,541 +0,0 @@ -/* Copyright 2016 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Macros for compiler / platform specific features and build options. - - Build options are: - * BROTLI_BUILD_32_BIT disables 64-bit optimizations - * BROTLI_BUILD_64_BIT forces to use 64-bit optimizations - * BROTLI_BUILD_BIG_ENDIAN forces to use big-endian optimizations - * BROTLI_BUILD_ENDIAN_NEUTRAL disables endian-aware optimizations - * BROTLI_BUILD_LITTLE_ENDIAN forces to use little-endian optimizations - * BROTLI_BUILD_NO_RBIT disables "rbit" optimization for ARM CPUs - * BROTLI_BUILD_NO_UNALIGNED_READ_FAST forces off the fast-unaligned-read - optimizations (mainly for testing purposes) - * BROTLI_DEBUG dumps file name and line number when decoder detects stream - or memory error - * BROTLI_ENABLE_LOG enables asserts and dumps various state information - * BROTLI_ENABLE_DUMP overrides default "dump" behaviour -*/ - -#ifndef BROTLI_COMMON_PLATFORM_H_ -#define BROTLI_COMMON_PLATFORM_H_ - -#include /* memcpy */ - -#include -#include - -#if defined(OS_LINUX) || defined(OS_CYGWIN) || defined(__EMSCRIPTEN__) -#include -#elif defined(OS_FREEBSD) -#include -#elif defined(OS_MACOSX) -#include -/* Let's try and follow the Linux convention */ -#define BROTLI_X_BYTE_ORDER BYTE_ORDER -#define BROTLI_X_LITTLE_ENDIAN LITTLE_ENDIAN -#define BROTLI_X_BIG_ENDIAN BIG_ENDIAN -#endif - -#if BROTLI_MSVC_VERSION_CHECK(18, 0, 0) -#include -#endif - -#if defined(BROTLI_ENABLE_LOG) || defined(BROTLI_DEBUG) -#include -#include -#endif - -/* The following macros were borrowed from https://github.com/nemequ/hedley - * with permission of original author - Evan Nemerson */ - -/* >>> >>> >>> hedley macros */ - -/* Define "BROTLI_PREDICT_TRUE" and "BROTLI_PREDICT_FALSE" macros for capable - compilers. - -To apply compiler hint, enclose the branching condition into macros, like this: - - if (BROTLI_PREDICT_TRUE(zero == 0)) { - // main execution path - } else { - // compiler should place this code outside of main execution path - } - -OR: - - if (BROTLI_PREDICT_FALSE(something_rare_or_unexpected_happens)) { - // compiler should place this code outside of main execution path - } - -*/ -#if BROTLI_GNUC_HAS_BUILTIN(__builtin_expect, 3, 0, 0) || \ - BROTLI_INTEL_VERSION_CHECK(16, 0, 0) || \ - BROTLI_SUNPRO_VERSION_CHECK(5, 15, 0) || \ - BROTLI_ARM_VERSION_CHECK(4, 1, 0) || \ - BROTLI_IBM_VERSION_CHECK(10, 1, 0) || \ - BROTLI_TI_VERSION_CHECK(7, 3, 0) || \ - BROTLI_TINYC_VERSION_CHECK(0, 9, 27) -#define BROTLI_PREDICT_TRUE(x) (__builtin_expect(!!(x), 1)) -#define BROTLI_PREDICT_FALSE(x) (__builtin_expect(x, 0)) -#else -#define BROTLI_PREDICT_FALSE(x) (x) -#define BROTLI_PREDICT_TRUE(x) (x) -#endif - -#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \ - !defined(__cplusplus) -#define BROTLI_RESTRICT restrict -#elif BROTLI_GNUC_VERSION_CHECK(3, 1, 0) || \ - BROTLI_MSVC_VERSION_CHECK(14, 0, 0) || \ - BROTLI_INTEL_VERSION_CHECK(16, 0, 0) || \ - BROTLI_ARM_VERSION_CHECK(4, 1, 0) || \ - BROTLI_IBM_VERSION_CHECK(10, 1, 0) || \ - BROTLI_PGI_VERSION_CHECK(17, 10, 0) || \ - BROTLI_TI_VERSION_CHECK(8, 0, 0) || \ - BROTLI_IAR_VERSION_CHECK(8, 0, 0) || \ - (BROTLI_SUNPRO_VERSION_CHECK(5, 14, 0) && defined(__cplusplus)) -#define BROTLI_RESTRICT __restrict -#elif BROTLI_SUNPRO_VERSION_CHECK(5, 3, 0) && !defined(__cplusplus) -#define BROTLI_RESTRICT _Restrict -#else -#define BROTLI_RESTRICT -#endif - -#if (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \ - (defined(__cplusplus) && (__cplusplus >= 199711L)) -#define BROTLI_MAYBE_INLINE inline -#elif defined(__GNUC_STDC_INLINE__) || defined(__GNUC_GNU_INLINE__) || \ - BROTLI_ARM_VERSION_CHECK(6, 2, 0) -#define BROTLI_MAYBE_INLINE __inline__ -#elif BROTLI_MSVC_VERSION_CHECK(12, 0, 0) || \ - BROTLI_ARM_VERSION_CHECK(4, 1, 0) || BROTLI_TI_VERSION_CHECK(8, 0, 0) -#define BROTLI_MAYBE_INLINE __inline -#else -#define BROTLI_MAYBE_INLINE -#endif - -#if BROTLI_GNUC_HAS_ATTRIBUTE(always_inline, 4, 0, 0) || \ - BROTLI_INTEL_VERSION_CHECK(16, 0, 0) || \ - BROTLI_SUNPRO_VERSION_CHECK(5, 11, 0) || \ - BROTLI_ARM_VERSION_CHECK(4, 1, 0) || \ - BROTLI_IBM_VERSION_CHECK(10, 1, 0) || \ - BROTLI_TI_VERSION_CHECK(8, 0, 0) || \ - (BROTLI_TI_VERSION_CHECK(7, 3, 0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) -#define BROTLI_INLINE BROTLI_MAYBE_INLINE __attribute__((__always_inline__)) -#elif BROTLI_MSVC_VERSION_CHECK(12, 0, 0) -#define BROTLI_INLINE BROTLI_MAYBE_INLINE __forceinline -#elif BROTLI_TI_VERSION_CHECK(7, 0, 0) && defined(__cplusplus) -#define BROTLI_INLINE BROTLI_MAYBE_INLINE _Pragma("FUNC_ALWAYS_INLINE;") -#elif BROTLI_IAR_VERSION_CHECK(8, 0, 0) -#define BROTLI_INLINE BROTLI_MAYBE_INLINE _Pragma("inline=forced") -#else -#define BROTLI_INLINE BROTLI_MAYBE_INLINE -#endif - -#if BROTLI_GNUC_HAS_ATTRIBUTE(noinline, 4, 0, 0) || \ - BROTLI_INTEL_VERSION_CHECK(16, 0, 0) || \ - BROTLI_SUNPRO_VERSION_CHECK(5, 11, 0) || \ - BROTLI_ARM_VERSION_CHECK(4, 1, 0) || \ - BROTLI_IBM_VERSION_CHECK(10, 1, 0) || \ - BROTLI_TI_VERSION_CHECK(8, 0, 0) || \ - (BROTLI_TI_VERSION_CHECK(7, 3, 0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) -#define BROTLI_NOINLINE __attribute__((__noinline__)) -#elif BROTLI_MSVC_VERSION_CHECK(13, 10, 0) -#define BROTLI_NOINLINE __declspec(noinline) -#elif BROTLI_PGI_VERSION_CHECK(10, 2, 0) -#define BROTLI_NOINLINE _Pragma("noinline") -#elif BROTLI_TI_VERSION_CHECK(6, 0, 0) && defined(__cplusplus) -#define BROTLI_NOINLINE _Pragma("FUNC_CANNOT_INLINE;") -#elif BROTLI_IAR_VERSION_CHECK(8, 0, 0) -#define BROTLI_NOINLINE _Pragma("inline=never") -#else -#define BROTLI_NOINLINE -#endif - -/* <<< <<< <<< end of hedley macros. */ - -#if BROTLI_GNUC_HAS_ATTRIBUTE(unused, 2, 7, 0) || \ - BROTLI_INTEL_VERSION_CHECK(16, 0, 0) -#define BROTLI_UNUSED_FUNCTION static BROTLI_INLINE __attribute__ ((unused)) -#else -#define BROTLI_UNUSED_FUNCTION static BROTLI_INLINE -#endif - -#if BROTLI_GNUC_HAS_ATTRIBUTE(aligned, 2, 7, 0) -#define BROTLI_ALIGNED(N) __attribute__((aligned(N))) -#else -#define BROTLI_ALIGNED(N) -#endif - -#if (defined(__ARM_ARCH) && (__ARM_ARCH == 7)) || \ - (defined(M_ARM) && (M_ARM == 7)) -#define BROTLI_TARGET_ARMV7 -#endif /* ARMv7 */ - -#if (defined(__ARM_ARCH) && (__ARM_ARCH == 8)) || \ - defined(__aarch64__) || defined(__ARM64_ARCH_8__) -#define BROTLI_TARGET_ARMV8_ANY - -#if defined(__ARM_32BIT_STATE) -#define BROTLI_TARGET_ARMV8_32 -#elif defined(__ARM_64BIT_STATE) -#define BROTLI_TARGET_ARMV8_64 -#endif - -#endif /* ARMv8 */ - -#if defined(__ARM_NEON__) || defined(__ARM_NEON) -#define BROTLI_TARGET_NEON -#endif - -#if defined(__i386) || defined(_M_IX86) -#define BROTLI_TARGET_X86 -#endif - -#if defined(__x86_64__) || defined(_M_X64) -#define BROTLI_TARGET_X64 -#endif - -#if defined(__PPC64__) -#define BROTLI_TARGET_POWERPC64 -#endif - -#if defined(__riscv) && defined(__riscv_xlen) && __riscv_xlen == 64 -#define BROTLI_TARGET_RISCV64 -#endif - -#if defined(__loongarch_lp64) -#define BROTLI_TARGET_LOONGARCH64 -#endif - -#if defined(BROTLI_TARGET_X64) || defined(BROTLI_TARGET_ARMV8_64) || \ - defined(BROTLI_TARGET_POWERPC64) || defined(BROTLI_TARGET_RISCV64) || \ - defined(BROTLI_TARGET_LOONGARCH64) -#define BROTLI_TARGET_64_BITS 1 -#else -#define BROTLI_TARGET_64_BITS 0 -#endif - -#if defined(BROTLI_BUILD_64_BIT) -#define BROTLI_64_BITS 1 -#elif defined(BROTLI_BUILD_32_BIT) -#define BROTLI_64_BITS 0 -#else -#define BROTLI_64_BITS BROTLI_TARGET_64_BITS -#endif - -#if (BROTLI_64_BITS) -#define brotli_reg_t uint64_t -#else -#define brotli_reg_t uint32_t -#endif - -#if defined(BROTLI_BUILD_BIG_ENDIAN) -#define BROTLI_BIG_ENDIAN 1 -#elif defined(BROTLI_BUILD_LITTLE_ENDIAN) -#define BROTLI_LITTLE_ENDIAN 1 -#elif defined(BROTLI_BUILD_ENDIAN_NEUTRAL) -/* Just break elif chain. */ -#elif defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) -#define BROTLI_LITTLE_ENDIAN 1 -#elif defined(_WIN32) || defined(BROTLI_TARGET_X64) -/* Win32 & x64 can currently always be assumed to be little endian */ -#define BROTLI_LITTLE_ENDIAN 1 -#elif defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) -#define BROTLI_BIG_ENDIAN 1 -#elif defined(BROTLI_X_BYTE_ORDER) -#if BROTLI_X_BYTE_ORDER == BROTLI_X_LITTLE_ENDIAN -#define BROTLI_LITTLE_ENDIAN 1 -#elif BROTLI_X_BYTE_ORDER == BROTLI_X_BIG_ENDIAN -#define BROTLI_BIG_ENDIAN 1 -#endif -#endif /* BROTLI_X_BYTE_ORDER */ - -#if !defined(BROTLI_LITTLE_ENDIAN) -#define BROTLI_LITTLE_ENDIAN 0 -#endif - -#if !defined(BROTLI_BIG_ENDIAN) -#define BROTLI_BIG_ENDIAN 0 -#endif - -#if defined(BROTLI_X_BYTE_ORDER) -#undef BROTLI_X_BYTE_ORDER -#undef BROTLI_X_LITTLE_ENDIAN -#undef BROTLI_X_BIG_ENDIAN -#endif - -#if defined(BROTLI_BUILD_NO_UNALIGNED_READ_FAST) -#define BROTLI_UNALIGNED_READ_FAST (!!0) -#elif defined(BROTLI_TARGET_X86) || defined(BROTLI_TARGET_X64) || \ - defined(BROTLI_TARGET_ARMV7) || defined(BROTLI_TARGET_ARMV8_ANY) || \ - defined(BROTLI_TARGET_RISCV64) || defined(BROTLI_TARGET_LOONGARCH64) -/* These targets are known to generate efficient code for unaligned reads - * (e.g. a single instruction, not multiple 1-byte loads, shifted and or'd - * together). */ -#define BROTLI_UNALIGNED_READ_FAST (!!1) -#else -#define BROTLI_UNALIGNED_READ_FAST (!!0) -#endif - -/* Portable unaligned memory access: read / write values via memcpy. */ -static BROTLI_INLINE uint16_t BrotliUnalignedRead16(const void* p) { - uint16_t t; - memcpy(&t, p, sizeof t); - return t; -} -static BROTLI_INLINE uint32_t BrotliUnalignedRead32(const void* p) { - uint32_t t; - memcpy(&t, p, sizeof t); - return t; -} -static BROTLI_INLINE uint64_t BrotliUnalignedRead64(const void* p) { - uint64_t t; - memcpy(&t, p, sizeof t); - return t; -} -static BROTLI_INLINE void BrotliUnalignedWrite64(void* p, uint64_t v) { - memcpy(p, &v, sizeof v); -} - -#if BROTLI_LITTLE_ENDIAN -/* Straight endianness. Just read / write values. */ -#define BROTLI_UNALIGNED_LOAD16LE BrotliUnalignedRead16 -#define BROTLI_UNALIGNED_LOAD32LE BrotliUnalignedRead32 -#define BROTLI_UNALIGNED_LOAD64LE BrotliUnalignedRead64 -#define BROTLI_UNALIGNED_STORE64LE BrotliUnalignedWrite64 -#elif BROTLI_BIG_ENDIAN /* BROTLI_LITTLE_ENDIAN */ -/* Explain compiler to byte-swap values. */ -#define BROTLI_BSWAP16_(V) ((uint16_t)( \ - (((V) & 0xFFU) << 8) | \ - (((V) >> 8) & 0xFFU))) -static BROTLI_INLINE uint16_t BROTLI_UNALIGNED_LOAD16LE(const void* p) { - uint16_t value = BrotliUnalignedRead16(p); - return BROTLI_BSWAP16_(value); -} -#define BROTLI_BSWAP32_(V) ( \ - (((V) & 0xFFU) << 24) | (((V) & 0xFF00U) << 8) | \ - (((V) >> 8) & 0xFF00U) | (((V) >> 24) & 0xFFU)) -static BROTLI_INLINE uint32_t BROTLI_UNALIGNED_LOAD32LE(const void* p) { - uint32_t value = BrotliUnalignedRead32(p); - return BROTLI_BSWAP32_(value); -} -#define BROTLI_BSWAP64_(V) ( \ - (((V) & 0xFFU) << 56) | (((V) & 0xFF00U) << 40) | \ - (((V) & 0xFF0000U) << 24) | (((V) & 0xFF000000U) << 8) | \ - (((V) >> 8) & 0xFF000000U) | (((V) >> 24) & 0xFF0000U) | \ - (((V) >> 40) & 0xFF00U) | (((V) >> 56) & 0xFFU)) -static BROTLI_INLINE uint64_t BROTLI_UNALIGNED_LOAD64LE(const void* p) { - uint64_t value = BrotliUnalignedRead64(p); - return BROTLI_BSWAP64_(value); -} -static BROTLI_INLINE void BROTLI_UNALIGNED_STORE64LE(void* p, uint64_t v) { - uint64_t value = BROTLI_BSWAP64_(v); - BrotliUnalignedWrite64(p, value); -} -#else /* BROTLI_LITTLE_ENDIAN */ -/* Read / store values byte-wise; hopefully compiler will understand. */ -static BROTLI_INLINE uint16_t BROTLI_UNALIGNED_LOAD16LE(const void* p) { - const uint8_t* in = (const uint8_t*)p; - return (uint16_t)(in[0] | (in[1] << 8)); -} -static BROTLI_INLINE uint32_t BROTLI_UNALIGNED_LOAD32LE(const void* p) { - const uint8_t* in = (const uint8_t*)p; - uint32_t value = (uint32_t)(in[0]); - value |= (uint32_t)(in[1]) << 8; - value |= (uint32_t)(in[2]) << 16; - value |= (uint32_t)(in[3]) << 24; - return value; -} -static BROTLI_INLINE uint64_t BROTLI_UNALIGNED_LOAD64LE(const void* p) { - const uint8_t* in = (const uint8_t*)p; - uint64_t value = (uint64_t)(in[0]); - value |= (uint64_t)(in[1]) << 8; - value |= (uint64_t)(in[2]) << 16; - value |= (uint64_t)(in[3]) << 24; - value |= (uint64_t)(in[4]) << 32; - value |= (uint64_t)(in[5]) << 40; - value |= (uint64_t)(in[6]) << 48; - value |= (uint64_t)(in[7]) << 56; - return value; -} -static BROTLI_INLINE void BROTLI_UNALIGNED_STORE64LE(void* p, uint64_t v) { - uint8_t* out = (uint8_t*)p; - out[0] = (uint8_t)v; - out[1] = (uint8_t)(v >> 8); - out[2] = (uint8_t)(v >> 16); - out[3] = (uint8_t)(v >> 24); - out[4] = (uint8_t)(v >> 32); - out[5] = (uint8_t)(v >> 40); - out[6] = (uint8_t)(v >> 48); - out[7] = (uint8_t)(v >> 56); -} -#endif /* BROTLI_LITTLE_ENDIAN */ - -static BROTLI_INLINE void* BROTLI_UNALIGNED_LOAD_PTR(const void* p) { - void* v; - memcpy(&v, p, sizeof(void*)); - return v; -} - -static BROTLI_INLINE void BROTLI_UNALIGNED_STORE_PTR(void* p, const void* v) { - memcpy(p, &v, sizeof(void*)); -} - -/* BROTLI_IS_CONSTANT macros returns true for compile-time constants. */ -#if BROTLI_GNUC_HAS_BUILTIN(__builtin_constant_p, 3, 0, 1) || \ - BROTLI_INTEL_VERSION_CHECK(16, 0, 0) -#define BROTLI_IS_CONSTANT(x) (!!__builtin_constant_p(x)) -#else -#define BROTLI_IS_CONSTANT(x) (!!0) -#endif - -#if defined(BROTLI_TARGET_ARMV7) || defined(BROTLI_TARGET_ARMV8_ANY) -#define BROTLI_HAS_UBFX (!!1) -#else -#define BROTLI_HAS_UBFX (!!0) -#endif - -#if defined(BROTLI_ENABLE_LOG) -#define BROTLI_LOG(x) printf x -#else -#define BROTLI_LOG(x) -#endif - -#if defined(BROTLI_DEBUG) || defined(BROTLI_ENABLE_LOG) -#define BROTLI_ENABLE_DUMP_DEFAULT 1 -#define BROTLI_DCHECK(x) assert(x) -#else -#define BROTLI_ENABLE_DUMP_DEFAULT 0 -#define BROTLI_DCHECK(x) -#endif - -#if !defined(BROTLI_ENABLE_DUMP) -#define BROTLI_ENABLE_DUMP BROTLI_ENABLE_DUMP_DEFAULT -#endif - -#if BROTLI_ENABLE_DUMP -static BROTLI_INLINE void BrotliDump(const char* f, int l, const char* fn) { - fprintf(stderr, "%s:%d (%s)\n", f, l, fn); - fflush(stderr); -} -#define BROTLI_DUMP() BrotliDump(__FILE__, __LINE__, __FUNCTION__) -#else -#define BROTLI_DUMP() (void)(0) -#endif - -/* BrotliRBit assumes brotli_reg_t fits native CPU register type. */ -#if (BROTLI_64_BITS == BROTLI_TARGET_64_BITS) -/* TODO(eustas): add appropriate icc/sunpro/arm/ibm/ti checks. */ -#if (BROTLI_GNUC_VERSION_CHECK(3, 0, 0) || defined(__llvm__)) && \ - !defined(BROTLI_BUILD_NO_RBIT) -#if defined(BROTLI_TARGET_ARMV7) || defined(BROTLI_TARGET_ARMV8_ANY) -/* TODO(eustas): detect ARMv6T2 and enable this code for it. */ -static BROTLI_INLINE brotli_reg_t BrotliRBit(brotli_reg_t input) { - brotli_reg_t output; - __asm__("rbit %0, %1\n" : "=r"(output) : "r"(input)); - return output; -} -#define BROTLI_RBIT(x) BrotliRBit(x) -#endif /* armv7 / armv8 */ -#endif /* gcc || clang */ -#endif /* brotli_reg_t is native */ -#if !defined(BROTLI_RBIT) -static BROTLI_INLINE void BrotliRBit(void) { /* Should break build if used. */ } -#endif /* BROTLI_RBIT */ - -#define BROTLI_REPEAT_4(X) {X; X; X; X;} -#define BROTLI_REPEAT_5(X) {X; X; X; X; X;} -#define BROTLI_REPEAT_6(X) {X; X; X; X; X; X;} - -#define BROTLI_UNUSED(X) (void)(X) - -#define BROTLI_MIN_MAX(T) \ - static BROTLI_INLINE T brotli_min_ ## T (T a, T b) { return a < b ? a : b; } \ - static BROTLI_INLINE T brotli_max_ ## T (T a, T b) { return a > b ? a : b; } -BROTLI_MIN_MAX(double) BROTLI_MIN_MAX(float) BROTLI_MIN_MAX(int) -BROTLI_MIN_MAX(size_t) BROTLI_MIN_MAX(uint32_t) BROTLI_MIN_MAX(uint8_t) -#undef BROTLI_MIN_MAX -#define BROTLI_MIN(T, A, B) (brotli_min_ ## T((A), (B))) -#define BROTLI_MAX(T, A, B) (brotli_max_ ## T((A), (B))) - -#define BROTLI_SWAP(T, A, I, J) { \ - T __brotli_swap_tmp = (A)[(I)]; \ - (A)[(I)] = (A)[(J)]; \ - (A)[(J)] = __brotli_swap_tmp; \ -} - -#if BROTLI_64_BITS -#if BROTLI_GNUC_HAS_BUILTIN(__builtin_ctzll, 3, 4, 0) || \ - BROTLI_INTEL_VERSION_CHECK(16, 0, 0) -#define BROTLI_TZCNT64 __builtin_ctzll -#elif BROTLI_MSVC_VERSION_CHECK(18, 0, 0) -#if defined(BROTLI_TARGET_X64) -#define BROTLI_TZCNT64 _tzcnt_u64 -#else /* BROTLI_TARGET_X64 */ -static BROTLI_INLINE uint32_t BrotliBsf64Msvc(uint64_t x) { - uint32_t lsb; - _BitScanForward64(&lsb, x); - return lsb; -} -#define BROTLI_TZCNT64 BrotliBsf64Msvc -#endif /* BROTLI_TARGET_X64 */ -#endif /* __builtin_ctzll */ -#endif /* BROTLI_64_BITS */ - -#if BROTLI_GNUC_HAS_BUILTIN(__builtin_clz, 3, 4, 0) || \ - BROTLI_INTEL_VERSION_CHECK(16, 0, 0) -#define BROTLI_BSR32(x) (31u ^ (uint32_t)__builtin_clz(x)) -#elif BROTLI_MSVC_VERSION_CHECK(18, 0, 0) -static BROTLI_INLINE uint32_t BrotliBsr32Msvc(uint32_t x) { - unsigned long msb; - _BitScanReverse(&msb, x); - return (uint32_t)msb; -} -#define BROTLI_BSR32 BrotliBsr32Msvc -#endif /* __builtin_clz */ - -/* Default brotli_alloc_func */ -BROTLI_COMMON_API void* BrotliDefaultAllocFunc(void* opaque, size_t size); - -/* Default brotli_free_func */ -BROTLI_COMMON_API void BrotliDefaultFreeFunc(void* opaque, void* address); - -BROTLI_UNUSED_FUNCTION void BrotliSuppressUnusedFunctions(void) { - BROTLI_UNUSED(&BrotliSuppressUnusedFunctions); - BROTLI_UNUSED(&BrotliUnalignedRead16); - BROTLI_UNUSED(&BrotliUnalignedRead32); - BROTLI_UNUSED(&BrotliUnalignedRead64); - BROTLI_UNUSED(&BrotliUnalignedWrite64); - BROTLI_UNUSED(&BROTLI_UNALIGNED_LOAD16LE); - BROTLI_UNUSED(&BROTLI_UNALIGNED_LOAD32LE); - BROTLI_UNUSED(&BROTLI_UNALIGNED_LOAD64LE); - BROTLI_UNUSED(&BROTLI_UNALIGNED_STORE64LE); - BROTLI_UNUSED(&BROTLI_UNALIGNED_LOAD_PTR); - BROTLI_UNUSED(&BROTLI_UNALIGNED_STORE_PTR); - BROTLI_UNUSED(&BrotliRBit); - BROTLI_UNUSED(&brotli_min_double); - BROTLI_UNUSED(&brotli_max_double); - BROTLI_UNUSED(&brotli_min_float); - BROTLI_UNUSED(&brotli_max_float); - BROTLI_UNUSED(&brotli_min_int); - BROTLI_UNUSED(&brotli_max_int); - BROTLI_UNUSED(&brotli_min_size_t); - BROTLI_UNUSED(&brotli_max_size_t); - BROTLI_UNUSED(&brotli_min_uint32_t); - BROTLI_UNUSED(&brotli_max_uint32_t); - BROTLI_UNUSED(&brotli_min_uint8_t); - BROTLI_UNUSED(&brotli_max_uint8_t); - BROTLI_UNUSED(&BrotliDefaultAllocFunc); - BROTLI_UNUSED(&BrotliDefaultFreeFunc); -#if BROTLI_ENABLE_DUMP - BROTLI_UNUSED(&BrotliDump); -#endif -} - -#endif /* BROTLI_COMMON_PLATFORM_H_ */ diff --git a/src/deps/brotli/common/shared_dictionary.c b/src/deps/brotli/common/shared_dictionary.c deleted file mode 100644 index 49f1c9b075..0000000000 --- a/src/deps/brotli/common/shared_dictionary.c +++ /dev/null @@ -1,521 +0,0 @@ -/* Copyright 2017 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Shared Dictionary definition and utilities. */ - -#include - -#include -#include /* malloc, free */ -#include - -#include "dictionary.h" -#include "platform.h" -#include "shared_dictionary_internal.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#if defined(BROTLI_EXPERIMENTAL) - -#define BROTLI_NUM_ENCODED_LENGTHS (SHARED_BROTLI_MAX_DICTIONARY_WORD_LENGTH \ - - SHARED_BROTLI_MIN_DICTIONARY_WORD_LENGTH + 1) - -/* Max allowed by spec */ -#define BROTLI_MAX_SIZE_BITS 15u - -/* Returns BROTLI_TRUE on success, BROTLI_FALSE on failure. */ -static BROTLI_BOOL ReadBool(const uint8_t* encoded, size_t size, size_t* pos, - BROTLI_BOOL* result) { - uint8_t value; - size_t position = *pos; - if (position >= size) return BROTLI_FALSE; /* past file end */ - value = encoded[position++]; - if (value > 1) return BROTLI_FALSE; /* invalid bool */ - *result = TO_BROTLI_BOOL(value); - *pos = position; - return BROTLI_TRUE; /* success */ -} - -/* Returns BROTLI_TRUE on success, BROTLI_FALSE on failure. */ -static BROTLI_BOOL ReadUint8(const uint8_t* encoded, size_t size, size_t* pos, - uint8_t* result) { - size_t position = *pos; - if (position + sizeof(uint8_t) > size) return BROTLI_FALSE; - *result = encoded[position++]; - *pos = position; - return BROTLI_TRUE; -} - -/* Returns BROTLI_TRUE on success, BROTLI_FALSE on failure. */ -static BROTLI_BOOL ReadUint16(const uint8_t* encoded, size_t size, size_t* pos, - uint16_t* result) { - size_t position = *pos; - if (position + sizeof(uint16_t) > size) return BROTLI_FALSE; - *result = BROTLI_UNALIGNED_LOAD16LE(&encoded[position]); - position += 2; - *pos = position; - return BROTLI_TRUE; -} - -/* Reads a varint into a uint32_t, and returns error if it's too large */ -/* Returns BROTLI_TRUE on success, BROTLI_FALSE on failure. */ -static BROTLI_BOOL ReadVarint32(const uint8_t* encoded, size_t size, - size_t* pos, uint32_t* result) { - int num = 0; - uint8_t byte; - *result = 0; - for (;;) { - if (*pos >= size) return BROTLI_FALSE; - byte = encoded[(*pos)++]; - if (num == 4 && byte > 15) return BROTLI_FALSE; - *result |= (uint32_t)(byte & 127) << (num * 7); - if (byte < 128) return BROTLI_TRUE; - num++; - } -} - -/* Returns the total length of word list. */ -static size_t BrotliSizeBitsToOffsets(const uint8_t* size_bits_by_length, - uint32_t* offsets_by_length) { - uint32_t pos = 0; - uint32_t i; - for (i = 0; i <= SHARED_BROTLI_MAX_DICTIONARY_WORD_LENGTH; i++) { - offsets_by_length[i] = pos; - if (size_bits_by_length[i] != 0) { - pos += i << size_bits_by_length[i]; - } - } - return pos; -} - -static BROTLI_BOOL ParseWordList(size_t size, const uint8_t* encoded, - size_t* pos, BrotliDictionary* out) { - size_t offset; - size_t i; - size_t position = *pos; - if (position + BROTLI_NUM_ENCODED_LENGTHS > size) { - return BROTLI_FALSE; - } - - memset(out->size_bits_by_length, 0, SHARED_BROTLI_MIN_DICTIONARY_WORD_LENGTH); - memcpy(out->size_bits_by_length + SHARED_BROTLI_MIN_DICTIONARY_WORD_LENGTH, - &encoded[position], BROTLI_NUM_ENCODED_LENGTHS); - for (i = SHARED_BROTLI_MIN_DICTIONARY_WORD_LENGTH; - i <= SHARED_BROTLI_MAX_DICTIONARY_WORD_LENGTH; i++) { - if (out->size_bits_by_length[i] > BROTLI_MAX_SIZE_BITS) { - return BROTLI_FALSE; - } - } - position += BROTLI_NUM_ENCODED_LENGTHS; - offset = BrotliSizeBitsToOffsets( - out->size_bits_by_length, out->offsets_by_length); - - out->data = &encoded[position]; - out->data_size = offset; - position += offset; - if (position > size) return BROTLI_FALSE; - *pos = position; - return BROTLI_TRUE; -} - -/* Computes the cutOffTransforms of a BrotliTransforms which already has the - transforms data correctly filled in. */ -static void ComputeCutoffTransforms(BrotliTransforms* transforms) { - uint32_t i; - for (i = 0; i < BROTLI_TRANSFORMS_MAX_CUT_OFF + 1; i++) { - transforms->cutOffTransforms[i] = -1; - } - for (i = 0; i < transforms->num_transforms; i++) { - const uint8_t* prefix = BROTLI_TRANSFORM_PREFIX(transforms, i); - uint8_t type = BROTLI_TRANSFORM_TYPE(transforms, i); - const uint8_t* suffix = BROTLI_TRANSFORM_SUFFIX(transforms, i); - if (type <= BROTLI_TRANSFORM_OMIT_LAST_9 && *prefix == 0 && *suffix == 0 && - transforms->cutOffTransforms[type] == -1) { - transforms->cutOffTransforms[type] = (int16_t)i; - } - } -} - -static BROTLI_BOOL ParsePrefixSuffixTable(size_t size, const uint8_t* encoded, - size_t* pos, BrotliTransforms* out, uint16_t* out_table, - size_t* out_table_size) { - size_t position = *pos; - size_t offset = 0; - size_t stringlet_count = 0; /* NUM_PREFIX_SUFFIX */ - size_t data_length = 0; - - /* PREFIX_SUFFIX_LENGTH */ - if (!ReadUint16(encoded, size, &position, &out->prefix_suffix_size)) { - return BROTLI_FALSE; - } - data_length = out->prefix_suffix_size; - - /* Must at least have space for null terminator. */ - if (data_length < 1) return BROTLI_FALSE; - out->prefix_suffix = &encoded[position]; - if (position + data_length >= size) return BROTLI_FALSE; - while (BROTLI_TRUE) { - /* STRING_LENGTH */ - size_t stringlet_len = encoded[position + offset]; - out_table[stringlet_count] = (uint16_t)offset; - stringlet_count++; - offset++; - if (stringlet_len == 0) { - if (offset == data_length) { - break; - } else { - return BROTLI_FALSE; - } - } - if (stringlet_count > 255) return BROTLI_FALSE; - offset += stringlet_len; - if (offset >= data_length) return BROTLI_FALSE; - } - - position += data_length; - *pos = position; - *out_table_size = (uint16_t)stringlet_count; - return BROTLI_TRUE; -} - -static BROTLI_BOOL ParseTransformsList(size_t size, const uint8_t* encoded, - size_t* pos, BrotliTransforms* out, uint16_t* prefix_suffix_table, - size_t* prefix_suffix_count) { - uint32_t i; - BROTLI_BOOL has_params = BROTLI_FALSE; - BROTLI_BOOL prefix_suffix_ok = BROTLI_FALSE; - size_t position = *pos; - size_t stringlet_cnt = 0; - if (position >= size) return BROTLI_FALSE; - - prefix_suffix_ok = ParsePrefixSuffixTable( - size, encoded, &position, out, prefix_suffix_table, &stringlet_cnt); - if (!prefix_suffix_ok) return BROTLI_FALSE; - out->prefix_suffix_map = prefix_suffix_table; - *prefix_suffix_count = stringlet_cnt; - - out->num_transforms = encoded[position++]; - out->transforms = &encoded[position]; - position += (size_t)out->num_transforms * 3; - if (position > size) return BROTLI_FALSE; - /* Check for errors and read extra parameters. */ - for (i = 0; i < out->num_transforms; i++) { - uint8_t prefix_id = BROTLI_TRANSFORM_PREFIX_ID(out, i); - uint8_t type = BROTLI_TRANSFORM_TYPE(out, i); - uint8_t suffix_id = BROTLI_TRANSFORM_SUFFIX_ID(out, i); - if (prefix_id >= stringlet_cnt) return BROTLI_FALSE; - if (type >= BROTLI_NUM_TRANSFORM_TYPES) return BROTLI_FALSE; - if (suffix_id >= stringlet_cnt) return BROTLI_FALSE; - if (type == BROTLI_TRANSFORM_SHIFT_FIRST || - type == BROTLI_TRANSFORM_SHIFT_ALL) { - has_params = BROTLI_TRUE; - } - } - if (has_params) { - out->params = &encoded[position]; - position += (size_t)out->num_transforms * 2; - if (position > size) return BROTLI_FALSE; - for (i = 0; i < out->num_transforms; i++) { - uint8_t type = BROTLI_TRANSFORM_TYPE(out, i); - if (type != BROTLI_TRANSFORM_SHIFT_FIRST && - type != BROTLI_TRANSFORM_SHIFT_ALL) { - if (out->params[i * 2] != 0 || out->params[i * 2 + 1] != 0) { - return BROTLI_FALSE; - } - } - } - } else { - out->params = NULL; - } - ComputeCutoffTransforms(out); - *pos = position; - return BROTLI_TRUE; -} - -static BROTLI_BOOL DryParseDictionary(const uint8_t* encoded, - size_t size, uint32_t* num_prefix, BROTLI_BOOL* is_custom_static_dict) { - size_t pos = 0; - uint32_t chunk_size = 0; - uint8_t num_word_lists; - uint8_t num_transform_lists; - *is_custom_static_dict = BROTLI_FALSE; - *num_prefix = 0; - - /* Skip magic header bytes. */ - pos += 2; - - /* LZ77_DICTIONARY_LENGTH */ - if (!ReadVarint32(encoded, size, &pos, &chunk_size)) return BROTLI_FALSE; - if (chunk_size != 0) { - /* This limitation is not specified but the 32-bit Brotli decoder for now */ - if (chunk_size > 1073741823) return BROTLI_FALSE; - *num_prefix = 1; - if (pos + chunk_size > size) return BROTLI_FALSE; - pos += chunk_size; - } - - if (!ReadUint8(encoded, size, &pos, &num_word_lists)) { - return BROTLI_FALSE; - } - if (!ReadUint8(encoded, size, &pos, &num_transform_lists)) { - return BROTLI_FALSE; - } - - if (num_word_lists > 0 || num_transform_lists > 0) { - *is_custom_static_dict = BROTLI_TRUE; - } - - return BROTLI_TRUE; -} - -static BROTLI_BOOL ParseDictionary(const uint8_t* encoded, size_t size, - BrotliSharedDictionary* dict) { - uint32_t i; - size_t pos = 0; - uint32_t chunk_size = 0; - size_t total_prefix_suffix_count = 0; - size_t trasform_list_start[SHARED_BROTLI_NUM_DICTIONARY_CONTEXTS]; - uint16_t temporary_prefix_suffix_table[256]; - - /* Skip magic header bytes. */ - pos += 2; - - /* LZ77_DICTIONARY_LENGTH */ - if (!ReadVarint32(encoded, size, &pos, &chunk_size)) return BROTLI_FALSE; - if (chunk_size != 0) { - if (pos + chunk_size > size) return BROTLI_FALSE; - dict->prefix_size[dict->num_prefix] = chunk_size; - dict->prefix[dict->num_prefix] = &encoded[pos]; - dict->num_prefix++; - /* LZ77_DICTIONARY_LENGTH bytes. */ - pos += chunk_size; - } - - /* NUM_WORD_LISTS */ - if (!ReadUint8(encoded, size, &pos, &dict->num_word_lists)) { - return BROTLI_FALSE; - } - if (dict->num_word_lists > SHARED_BROTLI_NUM_DICTIONARY_CONTEXTS) { - return BROTLI_FALSE; - } - - if (dict->num_word_lists != 0) { - dict->words_instances = (BrotliDictionary*)dict->alloc_func( - dict->memory_manager_opaque, - dict->num_word_lists * sizeof(*dict->words_instances)); - if (!dict->words_instances) return BROTLI_FALSE; /* OOM */ - } - for (i = 0; i < dict->num_word_lists; i++) { - if (!ParseWordList(size, encoded, &pos, &dict->words_instances[i])) { - return BROTLI_FALSE; - } - } - - /* NUM_TRANSFORM_LISTS */ - if (!ReadUint8(encoded, size, &pos, &dict->num_transform_lists)) { - return BROTLI_FALSE; - } - if (dict->num_transform_lists > SHARED_BROTLI_NUM_DICTIONARY_CONTEXTS) { - return BROTLI_FALSE; - } - - if (dict->num_transform_lists != 0) { - dict->transforms_instances = (BrotliTransforms*)dict->alloc_func( - dict->memory_manager_opaque, - dict->num_transform_lists * sizeof(*dict->transforms_instances)); - if (!dict->transforms_instances) return BROTLI_FALSE; /* OOM */ - } - for (i = 0; i < dict->num_transform_lists; i++) { - BROTLI_BOOL ok = BROTLI_FALSE; - size_t prefix_suffix_count = 0; - trasform_list_start[i] = pos; - dict->transforms_instances[i].prefix_suffix_map = - temporary_prefix_suffix_table; - ok = ParseTransformsList( - size, encoded, &pos, &dict->transforms_instances[i], - temporary_prefix_suffix_table, &prefix_suffix_count); - if (!ok) return BROTLI_FALSE; - total_prefix_suffix_count += prefix_suffix_count; - } - if (total_prefix_suffix_count != 0) { - dict->prefix_suffix_maps = (uint16_t*)dict->alloc_func( - dict->memory_manager_opaque, - total_prefix_suffix_count * sizeof(*dict->prefix_suffix_maps)); - if (!dict->prefix_suffix_maps) return BROTLI_FALSE; /* OOM */ - } - total_prefix_suffix_count = 0; - for (i = 0; i < dict->num_transform_lists; i++) { - size_t prefix_suffix_count = 0; - size_t position = trasform_list_start[i]; - uint16_t* prefix_suffix_map = - &dict->prefix_suffix_maps[total_prefix_suffix_count]; - BROTLI_BOOL ok = ParsePrefixSuffixTable( - size, encoded, &position, &dict->transforms_instances[i], - prefix_suffix_map, &prefix_suffix_count); - if (!ok) return BROTLI_FALSE; - dict->transforms_instances[i].prefix_suffix_map = prefix_suffix_map; - total_prefix_suffix_count += prefix_suffix_count; - } - - if (dict->num_word_lists != 0 || dict->num_transform_lists != 0) { - if (!ReadUint8(encoded, size, &pos, &dict->num_dictionaries)) { - return BROTLI_FALSE; - } - if (dict->num_dictionaries == 0 || - dict->num_dictionaries > SHARED_BROTLI_NUM_DICTIONARY_CONTEXTS) { - return BROTLI_FALSE; - } - for (i = 0; i < dict->num_dictionaries; i++) { - uint8_t words_index; - uint8_t transforms_index; - if (!ReadUint8(encoded, size, &pos, &words_index)) { - return BROTLI_FALSE; - } - if (words_index > dict->num_word_lists) return BROTLI_FALSE; - if (!ReadUint8(encoded, size, &pos, &transforms_index)) { - return BROTLI_FALSE; - } - if (transforms_index > dict->num_transform_lists) return BROTLI_FALSE; - dict->words[i] = words_index == dict->num_word_lists ? - BrotliGetDictionary() : &dict->words_instances[words_index]; - dict->transforms[i] = transforms_index == dict->num_transform_lists ? - BrotliGetTransforms(): &dict->transforms_instances[transforms_index]; - } - /* CONTEXT_ENABLED */ - if (!ReadBool(encoded, size, &pos, &dict->context_based)) { - return BROTLI_FALSE; - } - - /* CONTEXT_MAP */ - if (dict->context_based) { - for (i = 0; i < SHARED_BROTLI_NUM_DICTIONARY_CONTEXTS; i++) { - if (!ReadUint8(encoded, size, &pos, &dict->context_map[i])) { - return BROTLI_FALSE; - } - if (dict->context_map[i] >= dict->num_dictionaries) { - return BROTLI_FALSE; - } - } - } - } else { - dict->context_based = BROTLI_FALSE; - dict->num_dictionaries = 1; - dict->words[0] = BrotliGetDictionary(); - dict->transforms[0] = BrotliGetTransforms(); - } - - return BROTLI_TRUE; -} - -/* Decodes shared dictionary and verifies correctness. - Returns BROTLI_TRUE if dictionary is valid, BROTLI_FALSE otherwise. - The BrotliSharedDictionary must already have been initialized. If the - BrotliSharedDictionary already contains data, compound dictionaries - will be appended, but an error will be returned if it already has - custom words or transforms. - TODO(lode): link to RFC for shared brotli once published. */ -static BROTLI_BOOL DecodeSharedDictionary( - const uint8_t* encoded, size_t size, BrotliSharedDictionary* dict) { - uint32_t num_prefix = 0; - BROTLI_BOOL is_custom_static_dict = BROTLI_FALSE; - BROTLI_BOOL has_custom_static_dict = - dict->num_word_lists > 0 || dict->num_transform_lists > 0; - - /* Check magic header bytes. */ - if (size < 2) return BROTLI_FALSE; - if (encoded[0] != 0x91 || encoded[1] != 0) return BROTLI_FALSE; - - if (!DryParseDictionary(encoded, size, &num_prefix, &is_custom_static_dict)) { - return BROTLI_FALSE; - } - - if (num_prefix + dict->num_prefix > SHARED_BROTLI_MAX_COMPOUND_DICTS) { - return BROTLI_FALSE; - } - - /* Cannot combine different static dictionaries, only prefix dictionaries */ - if (has_custom_static_dict && is_custom_static_dict) return BROTLI_FALSE; - - return ParseDictionary(encoded, size, dict); -} - -#endif /* BROTLI_EXPERIMENTAL */ - -void BrotliSharedDictionaryDestroyInstance( - BrotliSharedDictionary* dict) { - if (!dict) { - return; - } else { - brotli_free_func free_func = dict->free_func; - void* opaque = dict->memory_manager_opaque; - /* Cleanup. */ - free_func(opaque, dict->words_instances); - free_func(opaque, dict->transforms_instances); - free_func(opaque, dict->prefix_suffix_maps); - /* Self-destruction. */ - free_func(opaque, dict); - } -} - -BROTLI_BOOL BrotliSharedDictionaryAttach( - BrotliSharedDictionary* dict, BrotliSharedDictionaryType type, - size_t data_size, const uint8_t data[BROTLI_ARRAY_PARAM(data_size)]) { - if (!dict) { - return BROTLI_FALSE; - } -#if defined(BROTLI_EXPERIMENTAL) - if (type == BROTLI_SHARED_DICTIONARY_SERIALIZED) { - return DecodeSharedDictionary(data, data_size, dict); - } -#endif /* BROTLI_EXPERIMENTAL */ - if (type == BROTLI_SHARED_DICTIONARY_RAW) { - if (dict->num_prefix >= SHARED_BROTLI_MAX_COMPOUND_DICTS) { - return BROTLI_FALSE; - } - dict->prefix_size[dict->num_prefix] = data_size; - dict->prefix[dict->num_prefix] = data; - dict->num_prefix++; - return BROTLI_TRUE; - } - return BROTLI_FALSE; -} - -BrotliSharedDictionary* BrotliSharedDictionaryCreateInstance( - brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque) { - BrotliSharedDictionary* dict = 0; - if (!alloc_func && !free_func) { - dict = (BrotliSharedDictionary*)malloc(sizeof(BrotliSharedDictionary)); - } else if (alloc_func && free_func) { - dict = (BrotliSharedDictionary*)alloc_func( - opaque, sizeof(BrotliSharedDictionary)); - } - if (dict == 0) { - return 0; - } - - /* TODO(eustas): explicitly initialize all the fields? */ - memset(dict, 0, sizeof(BrotliSharedDictionary)); - - dict->context_based = BROTLI_FALSE; - dict->num_dictionaries = 1; - dict->num_word_lists = 0; - dict->num_transform_lists = 0; - - dict->words[0] = BrotliGetDictionary(); - dict->transforms[0] = BrotliGetTransforms(); - - dict->alloc_func = alloc_func ? alloc_func : BrotliDefaultAllocFunc; - dict->free_func = free_func ? free_func : BrotliDefaultFreeFunc; - dict->memory_manager_opaque = opaque; - - return dict; -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/common/shared_dictionary_internal.h b/src/deps/brotli/common/shared_dictionary_internal.h deleted file mode 100644 index 963762e432..0000000000 --- a/src/deps/brotli/common/shared_dictionary_internal.h +++ /dev/null @@ -1,75 +0,0 @@ -/* Copyright 2017 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* (Transparent) Shared Dictionary definition. */ - -#ifndef BROTLI_COMMON_SHARED_DICTIONARY_INTERNAL_H_ -#define BROTLI_COMMON_SHARED_DICTIONARY_INTERNAL_H_ - -#include -#include - -#include "dictionary.h" -#include "transform.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -struct BrotliSharedDictionaryStruct { - /* LZ77 prefixes (compound dictionary). */ - uint32_t num_prefix; /* max SHARED_BROTLI_MAX_COMPOUND_DICTS */ - size_t prefix_size[SHARED_BROTLI_MAX_COMPOUND_DICTS]; - const uint8_t* prefix[SHARED_BROTLI_MAX_COMPOUND_DICTS]; - - /* If set, the context map is used to select word and transform list from 64 - contexts, if not set, the context map is not used and only words[0] and - transforms[0] are to be used. */ - BROTLI_BOOL context_based; - - uint8_t context_map[SHARED_BROTLI_NUM_DICTIONARY_CONTEXTS]; - - /* Amount of word_list+transform_list combinations. */ - uint8_t num_dictionaries; - - /* Must use num_dictionaries values. */ - const BrotliDictionary* words[SHARED_BROTLI_NUM_DICTIONARY_CONTEXTS]; - - /* Must use num_dictionaries values. */ - const BrotliTransforms* transforms[SHARED_BROTLI_NUM_DICTIONARY_CONTEXTS]; - - /* Amount of custom word lists. May be 0 if only Brotli's built-in is used */ - uint8_t num_word_lists; - - /* Contents of the custom words lists. Must be NULL if num_word_lists is 0. */ - BrotliDictionary* words_instances; - - /* Amount of custom transform lists. May be 0 if only Brotli's built-in is - used */ - uint8_t num_transform_lists; - - /* Contents of the custom transform lists. Must be NULL if num_transform_lists - is 0. */ - BrotliTransforms* transforms_instances; - - /* Concatenated prefix_suffix_maps of the custom transform lists. Must be NULL - if num_transform_lists is 0. */ - uint16_t* prefix_suffix_maps; - - /* Memory management */ - brotli_alloc_func alloc_func; - brotli_free_func free_func; - void* memory_manager_opaque; -}; - -typedef struct BrotliSharedDictionaryStruct BrotliSharedDictionaryInternal; -#define BrotliSharedDictionary BrotliSharedDictionaryInternal - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_COMMON_SHARED_DICTIONARY_INTERNAL_H_ */ diff --git a/src/deps/brotli/common/transform.c b/src/deps/brotli/common/transform.c deleted file mode 100644 index 49455fc496..0000000000 --- a/src/deps/brotli/common/transform.c +++ /dev/null @@ -1,291 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -#include "transform.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/* RFC 7932 transforms string data */ -static const char kPrefixSuffix[217] = - "\1 \2, \10 of the \4 of \2s \1.\5 and \4 " -/* 0x _0 _2 __5 _E _3 _6 _8 _E */ - "in \1\"\4 to \2\">\1\n\2. \1]\5 for \3 a \6 " -/* 2x _3_ _5 _A_ _D_ _F _2 _4 _A _E */ - "that \1\'\6 with \6 from \4 by \1(\6. T" -/* 4x _5_ _7 _E _5 _A _C */ - "he \4 on \4 as \4 is \4ing \2\n\t\1:\3ed " -/* 6x _3 _8 _D _2 _7_ _ _A _C */ - "\2=\"\4 at \3ly \1,\2=\'\5.com/\7. This \5" -/* 8x _0 _ _3 _8 _C _E _ _1 _7 _F */ - " not \3er \3al \4ful \4ive \5less \4es" -/* Ax _5 _9 _D _2 _7 _D */ - "t \4ize \2\xc2\xa0\4ous \5 the \2e "; /* \0 - implicit trailing zero. */ -/* Cx _2 _7___ ___ _A _F _5 _8 */ - -static const uint16_t kPrefixSuffixMap[50] = { - 0x00, 0x02, 0x05, 0x0E, 0x13, 0x16, 0x18, 0x1E, 0x23, 0x25, - 0x2A, 0x2D, 0x2F, 0x32, 0x34, 0x3A, 0x3E, 0x45, 0x47, 0x4E, - 0x55, 0x5A, 0x5C, 0x63, 0x68, 0x6D, 0x72, 0x77, 0x7A, 0x7C, - 0x80, 0x83, 0x88, 0x8C, 0x8E, 0x91, 0x97, 0x9F, 0xA5, 0xA9, - 0xAD, 0xB2, 0xB7, 0xBD, 0xC2, 0xC7, 0xCA, 0xCF, 0xD5, 0xD8 -}; - -/* RFC 7932 transforms */ -static const uint8_t kTransformsData[] = { - 49, BROTLI_TRANSFORM_IDENTITY, 49, - 49, BROTLI_TRANSFORM_IDENTITY, 0, - 0, BROTLI_TRANSFORM_IDENTITY, 0, - 49, BROTLI_TRANSFORM_OMIT_FIRST_1, 49, - 49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 0, - 49, BROTLI_TRANSFORM_IDENTITY, 47, - 0, BROTLI_TRANSFORM_IDENTITY, 49, - 4, BROTLI_TRANSFORM_IDENTITY, 0, - 49, BROTLI_TRANSFORM_IDENTITY, 3, - 49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 49, - 49, BROTLI_TRANSFORM_IDENTITY, 6, - 49, BROTLI_TRANSFORM_OMIT_FIRST_2, 49, - 49, BROTLI_TRANSFORM_OMIT_LAST_1, 49, - 1, BROTLI_TRANSFORM_IDENTITY, 0, - 49, BROTLI_TRANSFORM_IDENTITY, 1, - 0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 0, - 49, BROTLI_TRANSFORM_IDENTITY, 7, - 49, BROTLI_TRANSFORM_IDENTITY, 9, - 48, BROTLI_TRANSFORM_IDENTITY, 0, - 49, BROTLI_TRANSFORM_IDENTITY, 8, - 49, BROTLI_TRANSFORM_IDENTITY, 5, - 49, BROTLI_TRANSFORM_IDENTITY, 10, - 49, BROTLI_TRANSFORM_IDENTITY, 11, - 49, BROTLI_TRANSFORM_OMIT_LAST_3, 49, - 49, BROTLI_TRANSFORM_IDENTITY, 13, - 49, BROTLI_TRANSFORM_IDENTITY, 14, - 49, BROTLI_TRANSFORM_OMIT_FIRST_3, 49, - 49, BROTLI_TRANSFORM_OMIT_LAST_2, 49, - 49, BROTLI_TRANSFORM_IDENTITY, 15, - 49, BROTLI_TRANSFORM_IDENTITY, 16, - 0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 49, - 49, BROTLI_TRANSFORM_IDENTITY, 12, - 5, BROTLI_TRANSFORM_IDENTITY, 49, - 0, BROTLI_TRANSFORM_IDENTITY, 1, - 49, BROTLI_TRANSFORM_OMIT_FIRST_4, 49, - 49, BROTLI_TRANSFORM_IDENTITY, 18, - 49, BROTLI_TRANSFORM_IDENTITY, 17, - 49, BROTLI_TRANSFORM_IDENTITY, 19, - 49, BROTLI_TRANSFORM_IDENTITY, 20, - 49, BROTLI_TRANSFORM_OMIT_FIRST_5, 49, - 49, BROTLI_TRANSFORM_OMIT_FIRST_6, 49, - 47, BROTLI_TRANSFORM_IDENTITY, 49, - 49, BROTLI_TRANSFORM_OMIT_LAST_4, 49, - 49, BROTLI_TRANSFORM_IDENTITY, 22, - 49, BROTLI_TRANSFORM_UPPERCASE_ALL, 49, - 49, BROTLI_TRANSFORM_IDENTITY, 23, - 49, BROTLI_TRANSFORM_IDENTITY, 24, - 49, BROTLI_TRANSFORM_IDENTITY, 25, - 49, BROTLI_TRANSFORM_OMIT_LAST_7, 49, - 49, BROTLI_TRANSFORM_OMIT_LAST_1, 26, - 49, BROTLI_TRANSFORM_IDENTITY, 27, - 49, BROTLI_TRANSFORM_IDENTITY, 28, - 0, BROTLI_TRANSFORM_IDENTITY, 12, - 49, BROTLI_TRANSFORM_IDENTITY, 29, - 49, BROTLI_TRANSFORM_OMIT_FIRST_9, 49, - 49, BROTLI_TRANSFORM_OMIT_FIRST_7, 49, - 49, BROTLI_TRANSFORM_OMIT_LAST_6, 49, - 49, BROTLI_TRANSFORM_IDENTITY, 21, - 49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 1, - 49, BROTLI_TRANSFORM_OMIT_LAST_8, 49, - 49, BROTLI_TRANSFORM_IDENTITY, 31, - 49, BROTLI_TRANSFORM_IDENTITY, 32, - 47, BROTLI_TRANSFORM_IDENTITY, 3, - 49, BROTLI_TRANSFORM_OMIT_LAST_5, 49, - 49, BROTLI_TRANSFORM_OMIT_LAST_9, 49, - 0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 1, - 49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 8, - 5, BROTLI_TRANSFORM_IDENTITY, 21, - 49, BROTLI_TRANSFORM_UPPERCASE_ALL, 0, - 49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 10, - 49, BROTLI_TRANSFORM_IDENTITY, 30, - 0, BROTLI_TRANSFORM_IDENTITY, 5, - 35, BROTLI_TRANSFORM_IDENTITY, 49, - 47, BROTLI_TRANSFORM_IDENTITY, 2, - 49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 17, - 49, BROTLI_TRANSFORM_IDENTITY, 36, - 49, BROTLI_TRANSFORM_IDENTITY, 33, - 5, BROTLI_TRANSFORM_IDENTITY, 0, - 49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 21, - 49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 5, - 49, BROTLI_TRANSFORM_IDENTITY, 37, - 0, BROTLI_TRANSFORM_IDENTITY, 30, - 49, BROTLI_TRANSFORM_IDENTITY, 38, - 0, BROTLI_TRANSFORM_UPPERCASE_ALL, 0, - 49, BROTLI_TRANSFORM_IDENTITY, 39, - 0, BROTLI_TRANSFORM_UPPERCASE_ALL, 49, - 49, BROTLI_TRANSFORM_IDENTITY, 34, - 49, BROTLI_TRANSFORM_UPPERCASE_ALL, 8, - 49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 12, - 0, BROTLI_TRANSFORM_IDENTITY, 21, - 49, BROTLI_TRANSFORM_IDENTITY, 40, - 0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 12, - 49, BROTLI_TRANSFORM_IDENTITY, 41, - 49, BROTLI_TRANSFORM_IDENTITY, 42, - 49, BROTLI_TRANSFORM_UPPERCASE_ALL, 17, - 49, BROTLI_TRANSFORM_IDENTITY, 43, - 0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 5, - 49, BROTLI_TRANSFORM_UPPERCASE_ALL, 10, - 0, BROTLI_TRANSFORM_IDENTITY, 34, - 49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 33, - 49, BROTLI_TRANSFORM_IDENTITY, 44, - 49, BROTLI_TRANSFORM_UPPERCASE_ALL, 5, - 45, BROTLI_TRANSFORM_IDENTITY, 49, - 0, BROTLI_TRANSFORM_IDENTITY, 33, - 49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 30, - 49, BROTLI_TRANSFORM_UPPERCASE_ALL, 30, - 49, BROTLI_TRANSFORM_IDENTITY, 46, - 49, BROTLI_TRANSFORM_UPPERCASE_ALL, 1, - 49, BROTLI_TRANSFORM_UPPERCASE_FIRST, 34, - 0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 33, - 0, BROTLI_TRANSFORM_UPPERCASE_ALL, 30, - 0, BROTLI_TRANSFORM_UPPERCASE_ALL, 1, - 49, BROTLI_TRANSFORM_UPPERCASE_ALL, 33, - 49, BROTLI_TRANSFORM_UPPERCASE_ALL, 21, - 49, BROTLI_TRANSFORM_UPPERCASE_ALL, 12, - 0, BROTLI_TRANSFORM_UPPERCASE_ALL, 5, - 49, BROTLI_TRANSFORM_UPPERCASE_ALL, 34, - 0, BROTLI_TRANSFORM_UPPERCASE_ALL, 12, - 0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 30, - 0, BROTLI_TRANSFORM_UPPERCASE_ALL, 34, - 0, BROTLI_TRANSFORM_UPPERCASE_FIRST, 34, -}; - -static const BrotliTransforms kBrotliTransforms = { - sizeof(kPrefixSuffix), - (const uint8_t*)kPrefixSuffix, - kPrefixSuffixMap, - sizeof(kTransformsData) / (3 * sizeof(kTransformsData[0])), - kTransformsData, - NULL, /* no extra parameters */ - {0, 12, 27, 23, 42, 63, 56, 48, 59, 64} -}; - -const BrotliTransforms* BrotliGetTransforms(void) { - return &kBrotliTransforms; -} - -static int ToUpperCase(uint8_t* p) { - if (p[0] < 0xC0) { - if (p[0] >= 'a' && p[0] <= 'z') { - p[0] ^= 32; - } - return 1; - } - /* An overly simplified uppercasing model for UTF-8. */ - if (p[0] < 0xE0) { - p[1] ^= 32; - return 2; - } - /* An arbitrary transform for three byte characters. */ - p[2] ^= 5; - return 3; -} - -static int Shift(uint8_t* word, int word_len, uint16_t parameter) { - /* Limited sign extension: scalar < (1 << 24). */ - uint32_t scalar = - (parameter & 0x7FFFu) + (0x1000000u - (parameter & 0x8000u)); - if (word[0] < 0x80) { - /* 1-byte rune / 0sssssss / 7 bit scalar (ASCII). */ - scalar += (uint32_t)word[0]; - word[0] = (uint8_t)(scalar & 0x7Fu); - return 1; - } else if (word[0] < 0xC0) { - /* Continuation / 10AAAAAA. */ - return 1; - } else if (word[0] < 0xE0) { - /* 2-byte rune / 110sssss AAssssss / 11 bit scalar. */ - if (word_len < 2) return 1; - scalar += (uint32_t)((word[1] & 0x3Fu) | ((word[0] & 0x1Fu) << 6u)); - word[0] = (uint8_t)(0xC0 | ((scalar >> 6u) & 0x1F)); - word[1] = (uint8_t)((word[1] & 0xC0) | (scalar & 0x3F)); - return 2; - } else if (word[0] < 0xF0) { - /* 3-byte rune / 1110ssss AAssssss BBssssss / 16 bit scalar. */ - if (word_len < 3) return word_len; - scalar += (uint32_t)((word[2] & 0x3Fu) | ((word[1] & 0x3Fu) << 6u) | - ((word[0] & 0x0Fu) << 12u)); - word[0] = (uint8_t)(0xE0 | ((scalar >> 12u) & 0x0F)); - word[1] = (uint8_t)((word[1] & 0xC0) | ((scalar >> 6u) & 0x3F)); - word[2] = (uint8_t)((word[2] & 0xC0) | (scalar & 0x3F)); - return 3; - } else if (word[0] < 0xF8) { - /* 4-byte rune / 11110sss AAssssss BBssssss CCssssss / 21 bit scalar. */ - if (word_len < 4) return word_len; - scalar += (uint32_t)((word[3] & 0x3Fu) | ((word[2] & 0x3Fu) << 6u) | - ((word[1] & 0x3Fu) << 12u) | ((word[0] & 0x07u) << 18u)); - word[0] = (uint8_t)(0xF0 | ((scalar >> 18u) & 0x07)); - word[1] = (uint8_t)((word[1] & 0xC0) | ((scalar >> 12u) & 0x3F)); - word[2] = (uint8_t)((word[2] & 0xC0) | ((scalar >> 6u) & 0x3F)); - word[3] = (uint8_t)((word[3] & 0xC0) | (scalar & 0x3F)); - return 4; - } - return 1; -} - -int BrotliTransformDictionaryWord(uint8_t* dst, const uint8_t* word, int len, - const BrotliTransforms* transforms, int transform_idx) { - int idx = 0; - const uint8_t* prefix = BROTLI_TRANSFORM_PREFIX(transforms, transform_idx); - uint8_t type = BROTLI_TRANSFORM_TYPE(transforms, transform_idx); - const uint8_t* suffix = BROTLI_TRANSFORM_SUFFIX(transforms, transform_idx); - { - int prefix_len = *prefix++; - while (prefix_len--) { dst[idx++] = *prefix++; } - } - { - const int t = type; - int i = 0; - if (t <= BROTLI_TRANSFORM_OMIT_LAST_9) { - len -= t; - } else if (t >= BROTLI_TRANSFORM_OMIT_FIRST_1 - && t <= BROTLI_TRANSFORM_OMIT_FIRST_9) { - int skip = t - (BROTLI_TRANSFORM_OMIT_FIRST_1 - 1); - word += skip; - len -= skip; - } - while (i < len) { dst[idx++] = word[i++]; } - if (t == BROTLI_TRANSFORM_UPPERCASE_FIRST) { - ToUpperCase(&dst[idx - len]); - } else if (t == BROTLI_TRANSFORM_UPPERCASE_ALL) { - uint8_t* uppercase = &dst[idx - len]; - while (len > 0) { - int step = ToUpperCase(uppercase); - uppercase += step; - len -= step; - } - } else if (t == BROTLI_TRANSFORM_SHIFT_FIRST) { - uint16_t param = (uint16_t)(transforms->params[transform_idx * 2] - + (transforms->params[transform_idx * 2 + 1] << 8u)); - Shift(&dst[idx - len], len, param); - } else if (t == BROTLI_TRANSFORM_SHIFT_ALL) { - uint16_t param = (uint16_t)(transforms->params[transform_idx * 2] - + (transforms->params[transform_idx * 2 + 1] << 8u)); - uint8_t* shift = &dst[idx - len]; - while (len > 0) { - int step = Shift(shift, len, param); - shift += step; - len -= step; - } - } - } - { - int suffix_len = *suffix++; - while (suffix_len--) { dst[idx++] = *suffix++; } - return idx; - } -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/common/transform.h b/src/deps/brotli/common/transform.h deleted file mode 100644 index b6f86cc7d5..0000000000 --- a/src/deps/brotli/common/transform.h +++ /dev/null @@ -1,85 +0,0 @@ -/* transforms is a part of ABI, but not API. - - It means that there are some functions that are supposed to be in "common" - library, but header itself is not placed into include/brotli. This way, - aforementioned functions will be available only to brotli internals. - */ - -#ifndef BROTLI_COMMON_TRANSFORM_H_ -#define BROTLI_COMMON_TRANSFORM_H_ - -#include -#include - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -enum BrotliWordTransformType { - BROTLI_TRANSFORM_IDENTITY = 0, - BROTLI_TRANSFORM_OMIT_LAST_1 = 1, - BROTLI_TRANSFORM_OMIT_LAST_2 = 2, - BROTLI_TRANSFORM_OMIT_LAST_3 = 3, - BROTLI_TRANSFORM_OMIT_LAST_4 = 4, - BROTLI_TRANSFORM_OMIT_LAST_5 = 5, - BROTLI_TRANSFORM_OMIT_LAST_6 = 6, - BROTLI_TRANSFORM_OMIT_LAST_7 = 7, - BROTLI_TRANSFORM_OMIT_LAST_8 = 8, - BROTLI_TRANSFORM_OMIT_LAST_9 = 9, - BROTLI_TRANSFORM_UPPERCASE_FIRST = 10, - BROTLI_TRANSFORM_UPPERCASE_ALL = 11, - BROTLI_TRANSFORM_OMIT_FIRST_1 = 12, - BROTLI_TRANSFORM_OMIT_FIRST_2 = 13, - BROTLI_TRANSFORM_OMIT_FIRST_3 = 14, - BROTLI_TRANSFORM_OMIT_FIRST_4 = 15, - BROTLI_TRANSFORM_OMIT_FIRST_5 = 16, - BROTLI_TRANSFORM_OMIT_FIRST_6 = 17, - BROTLI_TRANSFORM_OMIT_FIRST_7 = 18, - BROTLI_TRANSFORM_OMIT_FIRST_8 = 19, - BROTLI_TRANSFORM_OMIT_FIRST_9 = 20, - BROTLI_TRANSFORM_SHIFT_FIRST = 21, - BROTLI_TRANSFORM_SHIFT_ALL = 22, - BROTLI_NUM_TRANSFORM_TYPES /* Counts transforms, not a transform itself. */ -}; - -#define BROTLI_TRANSFORMS_MAX_CUT_OFF BROTLI_TRANSFORM_OMIT_LAST_9 - -typedef struct BrotliTransforms { - uint16_t prefix_suffix_size; - /* Last character must be null, so prefix_suffix_size must be at least 1. */ - const uint8_t* prefix_suffix; - const uint16_t* prefix_suffix_map; - uint32_t num_transforms; - /* Each entry is a [prefix_id, transform, suffix_id] triplet. */ - const uint8_t* transforms; - /* Shift for BROTLI_TRANSFORM_SHIFT_FIRST and BROTLI_TRANSFORM_SHIFT_ALL, - must be NULL if and only if no such transforms are present. */ - const uint8_t* params; - /* Indices of transforms like ["", BROTLI_TRANSFORM_OMIT_LAST_#, ""]. - 0-th element corresponds to ["", BROTLI_TRANSFORM_IDENTITY, ""]. - -1, if cut-off transform does not exist. */ - int16_t cutOffTransforms[BROTLI_TRANSFORMS_MAX_CUT_OFF + 1]; -} BrotliTransforms; - -/* T is BrotliTransforms*; result is uint8_t. */ -#define BROTLI_TRANSFORM_PREFIX_ID(T, I) ((T)->transforms[((I) * 3) + 0]) -#define BROTLI_TRANSFORM_TYPE(T, I) ((T)->transforms[((I) * 3) + 1]) -#define BROTLI_TRANSFORM_SUFFIX_ID(T, I) ((T)->transforms[((I) * 3) + 2]) - -/* T is BrotliTransforms*; result is const uint8_t*. */ -#define BROTLI_TRANSFORM_PREFIX(T, I) (&(T)->prefix_suffix[ \ - (T)->prefix_suffix_map[BROTLI_TRANSFORM_PREFIX_ID(T, I)]]) -#define BROTLI_TRANSFORM_SUFFIX(T, I) (&(T)->prefix_suffix[ \ - (T)->prefix_suffix_map[BROTLI_TRANSFORM_SUFFIX_ID(T, I)]]) - -BROTLI_COMMON_API const BrotliTransforms* BrotliGetTransforms(void); - -BROTLI_COMMON_API int BrotliTransformDictionaryWord( - uint8_t* dst, const uint8_t* word, int len, - const BrotliTransforms* transforms, int transform_idx); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_COMMON_TRANSFORM_H_ */ diff --git a/src/deps/brotli/common/version.h b/src/deps/brotli/common/version.h deleted file mode 100644 index 8098040f64..0000000000 --- a/src/deps/brotli/common/version.h +++ /dev/null @@ -1,51 +0,0 @@ -/* Copyright 2016 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Version definition. */ - -#ifndef BROTLI_COMMON_VERSION_H_ -#define BROTLI_COMMON_VERSION_H_ - -/* Compose 3 components into a single number. In a hexadecimal representation - B and C components occupy exactly 3 digits. */ -#define BROTLI_MAKE_HEX_VERSION(A, B, C) ((A << 24) | (B << 12) | C) - -/* Those macros should only be used when library is compiled together with - the client. If library is dynamically linked, use BrotliDecoderVersion and - BrotliEncoderVersion methods. */ - -#define BROTLI_VERSION_MAJOR 1 -#define BROTLI_VERSION_MINOR 1 -#define BROTLI_VERSION_PATCH 0 - -#define BROTLI_VERSION BROTLI_MAKE_HEX_VERSION( \ - BROTLI_VERSION_MAJOR, BROTLI_VERSION_MINOR, BROTLI_VERSION_PATCH) - -/* This macro is used by build system to produce Libtool-friendly soname. See - https://www.gnu.org/software/libtool/manual/html_node/Libtool-versioning.html - Version evolution rules: - - interfaces added (or change is compatible) -> current+1:0:age+1 - - interfaces removed (or changed is incompatible) -> current+1:0:0 - - interfaces not changed -> current:revision+1:age - */ - -#define BROTLI_ABI_CURRENT 2 -#define BROTLI_ABI_REVISION 0 -#define BROTLI_ABI_AGE 1 - -#if BROTLI_VERSION_MAJOR != (BROTLI_ABI_CURRENT - BROTLI_ABI_AGE) -#error ABI/API version inconsistency -#endif - -#if BROTLI_VERSION_MINOR != BROTLI_ABI_AGE -#error ABI/API version inconsistency -#endif - -#if BROTLI_VERSION_PATCH != BROTLI_ABI_REVISION -#error ABI/API version inconsistency -#endif - -#endif /* BROTLI_COMMON_VERSION_H_ */ diff --git a/src/deps/brotli/dec/bit_reader.c b/src/deps/brotli/dec/bit_reader.c deleted file mode 100644 index 35101ddc1a..0000000000 --- a/src/deps/brotli/dec/bit_reader.c +++ /dev/null @@ -1,78 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Bit reading helpers */ - -#include "bit_reader.h" - -#include - -#include "../common/platform.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -const brotli_reg_t kBrotliBitMask[33] = { 0x00000000, - 0x00000001, 0x00000003, 0x00000007, 0x0000000F, - 0x0000001F, 0x0000003F, 0x0000007F, 0x000000FF, - 0x000001FF, 0x000003FF, 0x000007FF, 0x00000FFF, - 0x00001FFF, 0x00003FFF, 0x00007FFF, 0x0000FFFF, - 0x0001FFFF, 0x0003FFFF, 0x0007FFFF, 0x000FFFFF, - 0x001FFFFF, 0x003FFFFF, 0x007FFFFF, 0x00FFFFFF, - 0x01FFFFFF, 0x03FFFFFF, 0x07FFFFFF, 0x0FFFFFFF, - 0x1FFFFFFF, 0x3FFFFFFF, 0x7FFFFFFF, 0xFFFFFFFF -}; - -void BrotliInitBitReader(BrotliBitReader* const br) { - br->val_ = 0; - br->bit_pos_ = 0; -} - -BROTLI_BOOL BrotliWarmupBitReader(BrotliBitReader* const br) { - size_t aligned_read_mask = (sizeof(br->val_) >> 1) - 1; - /* Fixing alignment after unaligned BrotliFillWindow would result accumulator - overflow. If unalignment is caused by BrotliSafeReadBits, then there is - enough space in accumulator to fix alignment. */ - if (BROTLI_UNALIGNED_READ_FAST) { - aligned_read_mask = 0; - } - if (BrotliGetAvailableBits(br) == 0) { - br->val_ = 0; - if (!BrotliPullByte(br)) { - return BROTLI_FALSE; - } - } - - while ((((size_t)br->next_in) & aligned_read_mask) != 0) { - if (!BrotliPullByte(br)) { - /* If we consumed all the input, we don't care about the alignment. */ - return BROTLI_TRUE; - } - } - return BROTLI_TRUE; -} - -BROTLI_BOOL BrotliSafeReadBits32Slow(BrotliBitReader* const br, - brotli_reg_t n_bits, brotli_reg_t* val) { - brotli_reg_t low_val; - brotli_reg_t high_val; - BrotliBitReaderState memento; - BROTLI_DCHECK(n_bits <= 32); - BROTLI_DCHECK(n_bits > 24); - BrotliBitReaderSaveState(br, &memento); - if (!BrotliSafeReadBits(br, 16, &low_val) || - !BrotliSafeReadBits(br, n_bits - 16, &high_val)) { - BrotliBitReaderRestoreState(br, &memento); - return BROTLI_FALSE; - } - *val = low_val | (high_val << 16); - return BROTLI_TRUE; -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/dec/bit_reader.h b/src/deps/brotli/dec/bit_reader.h deleted file mode 100644 index 930dc60f1d..0000000000 --- a/src/deps/brotli/dec/bit_reader.h +++ /dev/null @@ -1,423 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Bit reading helpers */ - -#ifndef BROTLI_DEC_BIT_READER_H_ -#define BROTLI_DEC_BIT_READER_H_ - -#include /* memcpy */ - -#include - -#include "../common/constants.h" -#include "../common/platform.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define BROTLI_SHORT_FILL_BIT_WINDOW_READ (sizeof(brotli_reg_t) >> 1) - -/* 162 bits + 7 bytes */ -#define BROTLI_FAST_INPUT_SLACK 28 - -BROTLI_INTERNAL extern const brotli_reg_t kBrotliBitMask[33]; - -static BROTLI_INLINE brotli_reg_t BitMask(brotli_reg_t n) { - if (BROTLI_IS_CONSTANT(n) || BROTLI_HAS_UBFX) { - /* Masking with this expression turns to a single - "Unsigned Bit Field Extract" UBFX instruction on ARM. */ - return ~(~((brotli_reg_t)0) << n); - } else { - return kBrotliBitMask[n]; - } -} - -typedef struct { - brotli_reg_t val_; /* pre-fetched bits */ - brotli_reg_t bit_pos_; /* current bit-reading position in val_ */ - const uint8_t* next_in; /* the byte we're reading from */ - const uint8_t* guard_in; /* position from which "fast-path" is prohibited */ - const uint8_t* last_in; /* == next_in + avail_in */ -} BrotliBitReader; - -typedef struct { - brotli_reg_t val_; - brotli_reg_t bit_pos_; - const uint8_t* next_in; - size_t avail_in; -} BrotliBitReaderState; - -/* Initializes the BrotliBitReader fields. */ -BROTLI_INTERNAL void BrotliInitBitReader(BrotliBitReader* br); - -/* Ensures that accumulator is not empty. - May consume up to sizeof(brotli_reg_t) - 1 bytes of input. - Returns BROTLI_FALSE if data is required but there is no input available. - For !BROTLI_UNALIGNED_READ_FAST this function also prepares bit reader for - aligned reading. */ -BROTLI_INTERNAL BROTLI_BOOL BrotliWarmupBitReader(BrotliBitReader* br); - -/* Fallback for BrotliSafeReadBits32. Extracted as noninlined method to unburden - the main code-path. Never called for RFC brotli streams, required only for - "large-window" mode and other extensions. */ -BROTLI_INTERNAL BROTLI_NOINLINE BROTLI_BOOL BrotliSafeReadBits32Slow( - BrotliBitReader* br, brotli_reg_t n_bits, brotli_reg_t* val); - -static BROTLI_INLINE size_t -BrotliBitReaderGetAvailIn(BrotliBitReader* const br) { - return (size_t)(br->last_in - br->next_in); -} - -static BROTLI_INLINE void BrotliBitReaderSaveState( - BrotliBitReader* const from, BrotliBitReaderState* to) { - to->val_ = from->val_; - to->bit_pos_ = from->bit_pos_; - to->next_in = from->next_in; - to->avail_in = BrotliBitReaderGetAvailIn(from); -} - -static BROTLI_INLINE void BrotliBitReaderSetInput( - BrotliBitReader* const br, const uint8_t* next_in, size_t avail_in) { - br->next_in = next_in; - br->last_in = (avail_in == 0) ? next_in : (next_in + avail_in); - if (avail_in + 1 > BROTLI_FAST_INPUT_SLACK) { - br->guard_in = next_in + (avail_in + 1 - BROTLI_FAST_INPUT_SLACK); - } else { - br->guard_in = next_in; - } -} - -static BROTLI_INLINE void BrotliBitReaderRestoreState( - BrotliBitReader* const to, BrotliBitReaderState* from) { - to->val_ = from->val_; - to->bit_pos_ = from->bit_pos_; - to->next_in = from->next_in; - BrotliBitReaderSetInput(to, from->next_in, from->avail_in); -} - -static BROTLI_INLINE brotli_reg_t BrotliGetAvailableBits( - const BrotliBitReader* br) { - return br->bit_pos_; -} - -/* Returns amount of unread bytes the bit reader still has buffered from the - BrotliInput, including whole bytes in br->val_. Result is capped with - maximal ring-buffer size (larger number won't be utilized anyway). */ -static BROTLI_INLINE size_t BrotliGetRemainingBytes(BrotliBitReader* br) { - static const size_t kCap = (size_t)1 << BROTLI_LARGE_MAX_WBITS; - size_t avail_in = BrotliBitReaderGetAvailIn(br); - if (avail_in > kCap) return kCap; - return avail_in + (BrotliGetAvailableBits(br) >> 3); -} - -/* Checks if there is at least |num| bytes left in the input ring-buffer - (excluding the bits remaining in br->val_). */ -static BROTLI_INLINE BROTLI_BOOL BrotliCheckInputAmount( - BrotliBitReader* const br) { - return TO_BROTLI_BOOL(br->next_in < br->guard_in); -} - -/* Load more bits into accumulator. */ -static BROTLI_INLINE brotli_reg_t BrotliBitReaderLoadBits(brotli_reg_t val, - brotli_reg_t new_bits, - brotli_reg_t count, - brotli_reg_t offset) { - BROTLI_DCHECK( - !((val >> offset) & ~new_bits & ~(~((brotli_reg_t)0) << count))); - (void)count; - return val | (new_bits << offset); -} - -/* Guarantees that there are at least |n_bits| + 1 bits in accumulator. - Precondition: accumulator contains at least 1 bit. - |n_bits| should be in the range [1..24] for regular build. For portable - non-64-bit little-endian build only 16 bits are safe to request. */ -static BROTLI_INLINE void BrotliFillBitWindow( - BrotliBitReader* const br, brotli_reg_t n_bits) { -#if (BROTLI_64_BITS) - if (BROTLI_UNALIGNED_READ_FAST && BROTLI_IS_CONSTANT(n_bits) && - (n_bits <= 8)) { - brotli_reg_t bit_pos = br->bit_pos_; - if (bit_pos <= 8) { - br->val_ = BrotliBitReaderLoadBits(br->val_, - BROTLI_UNALIGNED_LOAD64LE(br->next_in), 56, bit_pos); - br->bit_pos_ = bit_pos + 56; - br->next_in += 7; - } - } else if (BROTLI_UNALIGNED_READ_FAST && BROTLI_IS_CONSTANT(n_bits) && - (n_bits <= 16)) { - brotli_reg_t bit_pos = br->bit_pos_; - if (bit_pos <= 16) { - br->val_ = BrotliBitReaderLoadBits(br->val_, - BROTLI_UNALIGNED_LOAD64LE(br->next_in), 48, bit_pos); - br->bit_pos_ = bit_pos + 48; - br->next_in += 6; - } - } else { - brotli_reg_t bit_pos = br->bit_pos_; - if (bit_pos <= 32) { - br->val_ = BrotliBitReaderLoadBits(br->val_, - (uint64_t)BROTLI_UNALIGNED_LOAD32LE(br->next_in), 32, bit_pos); - br->bit_pos_ = bit_pos + 32; - br->next_in += BROTLI_SHORT_FILL_BIT_WINDOW_READ; - } - } -#else - if (BROTLI_UNALIGNED_READ_FAST && BROTLI_IS_CONSTANT(n_bits) && - (n_bits <= 8)) { - brotli_reg_t bit_pos = br->bit_pos_; - if (bit_pos <= 8) { - br->val_ = BrotliBitReaderLoadBits(br->val_, - BROTLI_UNALIGNED_LOAD32LE(br->next_in), 24, bit_pos); - br->bit_pos_ = bit_pos + 24; - br->next_in += 3; - } - } else { - brotli_reg_t bit_pos = br->bit_pos_; - if (bit_pos <= 16) { - br->val_ = BrotliBitReaderLoadBits(br->val_, - (uint32_t)BROTLI_UNALIGNED_LOAD16LE(br->next_in), 16, bit_pos); - br->bit_pos_ = bit_pos + 16; - br->next_in += BROTLI_SHORT_FILL_BIT_WINDOW_READ; - } - } -#endif -} - -/* Mostly like BrotliFillBitWindow, but guarantees only 16 bits and reads no - more than BROTLI_SHORT_FILL_BIT_WINDOW_READ bytes of input. */ -static BROTLI_INLINE void BrotliFillBitWindow16(BrotliBitReader* const br) { - BrotliFillBitWindow(br, 17); -} - -/* Tries to pull one byte of input to accumulator. - Returns BROTLI_FALSE if there is no input available. */ -static BROTLI_INLINE BROTLI_BOOL BrotliPullByte(BrotliBitReader* const br) { - if (br->next_in == br->last_in) { - return BROTLI_FALSE; - } - br->val_ = BrotliBitReaderLoadBits(br->val_, - (brotli_reg_t)*br->next_in, 8, br->bit_pos_); - br->bit_pos_ += 8; - ++br->next_in; - return BROTLI_TRUE; -} - -/* Returns currently available bits. - The number of valid bits could be calculated by BrotliGetAvailableBits. */ -static BROTLI_INLINE brotli_reg_t BrotliGetBitsUnmasked( - BrotliBitReader* const br) { - return br->val_; -} - -/* Like BrotliGetBits, but does not mask the result. - The result contains at least 16 valid bits. */ -static BROTLI_INLINE brotli_reg_t BrotliGet16BitsUnmasked( - BrotliBitReader* const br) { - BrotliFillBitWindow(br, 16); - return (brotli_reg_t)BrotliGetBitsUnmasked(br); -} - -/* Returns the specified number of bits from |br| without advancing bit - position. */ -static BROTLI_INLINE brotli_reg_t BrotliGetBits( - BrotliBitReader* const br, brotli_reg_t n_bits) { - BrotliFillBitWindow(br, n_bits); - return BrotliGetBitsUnmasked(br) & BitMask(n_bits); -} - -/* Tries to peek the specified amount of bits. Returns BROTLI_FALSE, if there - is not enough input. */ -static BROTLI_INLINE BROTLI_BOOL BrotliSafeGetBits( - BrotliBitReader* const br, brotli_reg_t n_bits, brotli_reg_t* val) { - while (BrotliGetAvailableBits(br) < n_bits) { - if (!BrotliPullByte(br)) { - return BROTLI_FALSE; - } - } - *val = BrotliGetBitsUnmasked(br) & BitMask(n_bits); - return BROTLI_TRUE; -} - -/* Advances the bit pos by |n_bits|. */ -static BROTLI_INLINE void BrotliDropBits( - BrotliBitReader* const br, brotli_reg_t n_bits) { - br->bit_pos_ -= n_bits; - br->val_ >>= n_bits; -} - -/* Make sure that there are no spectre bits in accumulator. - This is important for the cases when some bytes are skipped - (i.e. never placed into accumulator). */ -static BROTLI_INLINE void BrotliBitReaderNormalize(BrotliBitReader* br) { - /* Actually, it is enough to normalize when br->bit_pos_ == 0 */ - if (br->bit_pos_ < (sizeof(brotli_reg_t) << 3u)) { - br->val_ &= (((brotli_reg_t)1) << br->bit_pos_) - 1; - } -} - -static BROTLI_INLINE void BrotliBitReaderUnload(BrotliBitReader* br) { - brotli_reg_t unused_bytes = BrotliGetAvailableBits(br) >> 3; - brotli_reg_t unused_bits = unused_bytes << 3; - br->next_in = - (unused_bytes == 0) ? br->next_in : (br->next_in - unused_bytes); - br->bit_pos_ -= unused_bits; - BrotliBitReaderNormalize(br); -} - -/* Reads the specified number of bits from |br| and advances the bit pos. - Precondition: accumulator MUST contain at least |n_bits|. */ -static BROTLI_INLINE void BrotliTakeBits(BrotliBitReader* const br, - brotli_reg_t n_bits, - brotli_reg_t* val) { - *val = BrotliGetBitsUnmasked(br) & BitMask(n_bits); - BROTLI_LOG(("[BrotliTakeBits] %d %d %d val: %6x\n", - (int)BrotliBitReaderGetAvailIn(br), (int)br->bit_pos_, - (int)n_bits, (int)*val)); - BrotliDropBits(br, n_bits); -} - -/* Reads the specified number of bits from |br| and advances the bit pos. - Assumes that there is enough input to perform BrotliFillBitWindow. - Up to 24 bits are allowed to be requested from this method. */ -static BROTLI_INLINE brotli_reg_t BrotliReadBits24( - BrotliBitReader* const br, brotli_reg_t n_bits) { - BROTLI_DCHECK(n_bits <= 24); - if (BROTLI_64_BITS || (n_bits <= 16)) { - brotli_reg_t val; - BrotliFillBitWindow(br, n_bits); - BrotliTakeBits(br, n_bits, &val); - return val; - } else { - brotli_reg_t low_val; - brotli_reg_t high_val; - BrotliFillBitWindow(br, 16); - BrotliTakeBits(br, 16, &low_val); - BrotliFillBitWindow(br, 8); - BrotliTakeBits(br, n_bits - 16, &high_val); - return low_val | (high_val << 16); - } -} - -/* Same as BrotliReadBits24, but allows reading up to 32 bits. */ -static BROTLI_INLINE brotli_reg_t BrotliReadBits32( - BrotliBitReader* const br, brotli_reg_t n_bits) { - BROTLI_DCHECK(n_bits <= 32); - if (BROTLI_64_BITS || (n_bits <= 16)) { - brotli_reg_t val; - BrotliFillBitWindow(br, n_bits); - BrotliTakeBits(br, n_bits, &val); - return val; - } else { - brotli_reg_t low_val; - brotli_reg_t high_val; - BrotliFillBitWindow(br, 16); - BrotliTakeBits(br, 16, &low_val); - BrotliFillBitWindow(br, 16); - BrotliTakeBits(br, n_bits - 16, &high_val); - return low_val | (high_val << 16); - } -} - -/* Tries to read the specified amount of bits. Returns BROTLI_FALSE, if there - is not enough input. |n_bits| MUST be positive. - Up to 24 bits are allowed to be requested from this method. */ -static BROTLI_INLINE BROTLI_BOOL BrotliSafeReadBits( - BrotliBitReader* const br, brotli_reg_t n_bits, brotli_reg_t* val) { - BROTLI_DCHECK(n_bits <= 24); - while (BrotliGetAvailableBits(br) < n_bits) { - if (!BrotliPullByte(br)) { - return BROTLI_FALSE; - } - } - BrotliTakeBits(br, n_bits, val); - return BROTLI_TRUE; -} - -/* Same as BrotliSafeReadBits, but allows reading up to 32 bits. */ -static BROTLI_INLINE BROTLI_BOOL BrotliSafeReadBits32( - BrotliBitReader* const br, brotli_reg_t n_bits, brotli_reg_t* val) { - BROTLI_DCHECK(n_bits <= 32); - if (BROTLI_64_BITS || (n_bits <= 24)) { - while (BrotliGetAvailableBits(br) < n_bits) { - if (!BrotliPullByte(br)) { - return BROTLI_FALSE; - } - } - BrotliTakeBits(br, n_bits, val); - return BROTLI_TRUE; - } else { - return BrotliSafeReadBits32Slow(br, n_bits, val); - } -} - -/* Advances the bit reader position to the next byte boundary and verifies - that any skipped bits are set to zero. */ -static BROTLI_INLINE BROTLI_BOOL BrotliJumpToByteBoundary(BrotliBitReader* br) { - brotli_reg_t pad_bits_count = BrotliGetAvailableBits(br) & 0x7; - brotli_reg_t pad_bits = 0; - if (pad_bits_count != 0) { - BrotliTakeBits(br, pad_bits_count, &pad_bits); - } - BrotliBitReaderNormalize(br); - return TO_BROTLI_BOOL(pad_bits == 0); -} - -static BROTLI_INLINE void BrotliDropBytes(BrotliBitReader* br, size_t num) { - /* Check detour is legal: accumulator must to be empty. */ - BROTLI_DCHECK(br->bit_pos_ == 0); - BROTLI_DCHECK(br->val_ == 0); - br->next_in += num; -} - -/* Copies remaining input bytes stored in the bit reader to the output. Value - |num| may not be larger than BrotliGetRemainingBytes. The bit reader must be - warmed up again after this. */ -static BROTLI_INLINE void BrotliCopyBytes(uint8_t* dest, - BrotliBitReader* br, size_t num) { - while (BrotliGetAvailableBits(br) >= 8 && num > 0) { - *dest = (uint8_t)BrotliGetBitsUnmasked(br); - BrotliDropBits(br, 8); - ++dest; - --num; - } - BrotliBitReaderNormalize(br); - if (num > 0) { - memcpy(dest, br->next_in, num); - BrotliDropBytes(br, num); - } -} - -BROTLI_UNUSED_FUNCTION void BrotliBitReaderSuppressUnusedFunctions(void) { - BROTLI_UNUSED(&BrotliBitReaderSuppressUnusedFunctions); - - BROTLI_UNUSED(&BrotliBitReaderGetAvailIn); - BROTLI_UNUSED(&BrotliBitReaderLoadBits); - BROTLI_UNUSED(&BrotliBitReaderRestoreState); - BROTLI_UNUSED(&BrotliBitReaderSaveState); - BROTLI_UNUSED(&BrotliBitReaderSetInput); - BROTLI_UNUSED(&BrotliBitReaderUnload); - BROTLI_UNUSED(&BrotliCheckInputAmount); - BROTLI_UNUSED(&BrotliCopyBytes); - BROTLI_UNUSED(&BrotliFillBitWindow16); - BROTLI_UNUSED(&BrotliGet16BitsUnmasked); - BROTLI_UNUSED(&BrotliGetBits); - BROTLI_UNUSED(&BrotliGetRemainingBytes); - BROTLI_UNUSED(&BrotliJumpToByteBoundary); - BROTLI_UNUSED(&BrotliReadBits24); - BROTLI_UNUSED(&BrotliReadBits32); - BROTLI_UNUSED(&BrotliSafeGetBits); - BROTLI_UNUSED(&BrotliSafeReadBits); - BROTLI_UNUSED(&BrotliSafeReadBits32); -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_DEC_BIT_READER_H_ */ diff --git a/src/deps/brotli/dec/decode.c b/src/deps/brotli/dec/decode.c deleted file mode 100644 index 220c7e85c6..0000000000 --- a/src/deps/brotli/dec/decode.c +++ /dev/null @@ -1,2875 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -#include - -#include /* free, malloc */ -#include /* memcpy, memset */ - -#include "../common/constants.h" -#include "../common/context.h" -#include "../common/dictionary.h" -#include "../common/platform.h" -#include "../common/shared_dictionary_internal.h" -#include "../common/transform.h" -#include "../common/version.h" -#include "bit_reader.h" -#include "huffman.h" -#include "prefix.h" -#include "state.h" - -#if defined(BROTLI_TARGET_NEON) -#include -#endif - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define BROTLI_FAILURE(CODE) (BROTLI_DUMP(), CODE) - -#define BROTLI_LOG_UINT(name) \ - BROTLI_LOG(("[%s] %s = %lu\n", __func__, #name, (unsigned long)(name))) -#define BROTLI_LOG_ARRAY_INDEX(array_name, idx) \ - BROTLI_LOG(("[%s] %s[%lu] = %lu\n", __func__, #array_name, \ - (unsigned long)(idx), (unsigned long)array_name[idx])) - -#define HUFFMAN_TABLE_BITS 8U -#define HUFFMAN_TABLE_MASK 0xFF - -/* We need the slack region for the following reasons: - - doing up to two 16-byte copies for fast backward copying - - inserting transformed dictionary word: - 255 prefix + 32 base + 255 suffix */ -static const brotli_reg_t kRingBufferWriteAheadSlack = 542; - -static const uint8_t kCodeLengthCodeOrder[BROTLI_CODE_LENGTH_CODES] = { - 1, 2, 3, 4, 0, 5, 17, 6, 16, 7, 8, 9, 10, 11, 12, 13, 14, 15, -}; - -/* Static prefix code for the complex code length code lengths. */ -static const uint8_t kCodeLengthPrefixLength[16] = { - 2, 2, 2, 3, 2, 2, 2, 4, 2, 2, 2, 3, 2, 2, 2, 4, -}; - -static const uint8_t kCodeLengthPrefixValue[16] = { - 0, 4, 3, 2, 0, 4, 3, 1, 0, 4, 3, 2, 0, 4, 3, 5, -}; - -BROTLI_BOOL BrotliDecoderSetParameter( - BrotliDecoderState* state, BrotliDecoderParameter p, uint32_t value) { - if (state->state != BROTLI_STATE_UNINITED) return BROTLI_FALSE; - switch (p) { - case BROTLI_DECODER_PARAM_DISABLE_RING_BUFFER_REALLOCATION: - state->canny_ringbuffer_allocation = !!value ? 0 : 1; - return BROTLI_TRUE; - - case BROTLI_DECODER_PARAM_LARGE_WINDOW: - state->large_window = TO_BROTLI_BOOL(!!value); - return BROTLI_TRUE; - - default: return BROTLI_FALSE; - } -} - -BrotliDecoderState* BrotliDecoderCreateInstance( - brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque) { - BrotliDecoderState* state = 0; - if (!alloc_func && !free_func) { - state = (BrotliDecoderState*)malloc(sizeof(BrotliDecoderState)); - } else if (alloc_func && free_func) { - state = (BrotliDecoderState*)alloc_func(opaque, sizeof(BrotliDecoderState)); - } - if (state == 0) { - BROTLI_DUMP(); - return 0; - } - if (!BrotliDecoderStateInit(state, alloc_func, free_func, opaque)) { - BROTLI_DUMP(); - if (!alloc_func && !free_func) { - free(state); - } else if (alloc_func && free_func) { - free_func(opaque, state); - } - return 0; - } - return state; -} - -/* Deinitializes and frees BrotliDecoderState instance. */ -void BrotliDecoderDestroyInstance(BrotliDecoderState* state) { - if (!state) { - return; - } else { - brotli_free_func free_func = state->free_func; - void* opaque = state->memory_manager_opaque; - BrotliDecoderStateCleanup(state); - free_func(opaque, state); - } -} - -/* Saves error code and converts it to BrotliDecoderResult. */ -static BROTLI_NOINLINE BrotliDecoderResult SaveErrorCode( - BrotliDecoderState* s, BrotliDecoderErrorCode e, size_t consumed_input) { - s->error_code = (int)e; - s->used_input += consumed_input; - if ((s->buffer_length != 0) && (s->br.next_in == s->br.last_in)) { - /* If internal buffer is depleted at last, reset it. */ - s->buffer_length = 0; - } - switch (e) { - case BROTLI_DECODER_SUCCESS: - return BROTLI_DECODER_RESULT_SUCCESS; - - case BROTLI_DECODER_NEEDS_MORE_INPUT: - return BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT; - - case BROTLI_DECODER_NEEDS_MORE_OUTPUT: - return BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT; - - default: - return BROTLI_DECODER_RESULT_ERROR; - } -} - -/* Decodes WBITS by reading 1 - 7 bits, or 0x11 for "Large Window Brotli". - Precondition: bit-reader accumulator has at least 8 bits. */ -static BrotliDecoderErrorCode DecodeWindowBits(BrotliDecoderState* s, - BrotliBitReader* br) { - brotli_reg_t n; - BROTLI_BOOL large_window = s->large_window; - s->large_window = BROTLI_FALSE; - BrotliTakeBits(br, 1, &n); - if (n == 0) { - s->window_bits = 16; - return BROTLI_DECODER_SUCCESS; - } - BrotliTakeBits(br, 3, &n); - if (n != 0) { - s->window_bits = (17u + n) & 63u; - return BROTLI_DECODER_SUCCESS; - } - BrotliTakeBits(br, 3, &n); - if (n == 1) { - if (large_window) { - BrotliTakeBits(br, 1, &n); - if (n == 1) { - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_WINDOW_BITS); - } - s->large_window = BROTLI_TRUE; - return BROTLI_DECODER_SUCCESS; - } else { - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_WINDOW_BITS); - } - } - if (n != 0) { - s->window_bits = (8u + n) & 63u; - return BROTLI_DECODER_SUCCESS; - } - s->window_bits = 17; - return BROTLI_DECODER_SUCCESS; -} - -static BROTLI_INLINE void memmove16(uint8_t* dst, uint8_t* src) { -#if defined(BROTLI_TARGET_NEON) - vst1q_u8(dst, vld1q_u8(src)); -#else - uint32_t buffer[4]; - memcpy(buffer, src, 16); - memcpy(dst, buffer, 16); -#endif -} - -/* Decodes a number in the range [0..255], by reading 1 - 11 bits. */ -static BROTLI_NOINLINE BrotliDecoderErrorCode DecodeVarLenUint8( - BrotliDecoderState* s, BrotliBitReader* br, brotli_reg_t* value) { - brotli_reg_t bits; - switch (s->substate_decode_uint8) { - case BROTLI_STATE_DECODE_UINT8_NONE: - if (BROTLI_PREDICT_FALSE(!BrotliSafeReadBits(br, 1, &bits))) { - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - if (bits == 0) { - *value = 0; - return BROTLI_DECODER_SUCCESS; - } - /* Fall through. */ - - case BROTLI_STATE_DECODE_UINT8_SHORT: - if (BROTLI_PREDICT_FALSE(!BrotliSafeReadBits(br, 3, &bits))) { - s->substate_decode_uint8 = BROTLI_STATE_DECODE_UINT8_SHORT; - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - if (bits == 0) { - *value = 1; - s->substate_decode_uint8 = BROTLI_STATE_DECODE_UINT8_NONE; - return BROTLI_DECODER_SUCCESS; - } - /* Use output value as a temporary storage. It MUST be persisted. */ - *value = bits; - /* Fall through. */ - - case BROTLI_STATE_DECODE_UINT8_LONG: - if (BROTLI_PREDICT_FALSE(!BrotliSafeReadBits(br, *value, &bits))) { - s->substate_decode_uint8 = BROTLI_STATE_DECODE_UINT8_LONG; - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - *value = (1U << *value) + bits; - s->substate_decode_uint8 = BROTLI_STATE_DECODE_UINT8_NONE; - return BROTLI_DECODER_SUCCESS; - - default: - return - BROTLI_FAILURE(BROTLI_DECODER_ERROR_UNREACHABLE); /* COV_NF_LINE */ - } -} - -/* Decodes a metablock length and flags by reading 2 - 31 bits. */ -static BrotliDecoderErrorCode BROTLI_NOINLINE DecodeMetaBlockLength( - BrotliDecoderState* s, BrotliBitReader* br) { - brotli_reg_t bits; - int i; - for (;;) { - switch (s->substate_metablock_header) { - case BROTLI_STATE_METABLOCK_HEADER_NONE: - if (!BrotliSafeReadBits(br, 1, &bits)) { - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - s->is_last_metablock = bits ? 1 : 0; - s->meta_block_remaining_len = 0; - s->is_uncompressed = 0; - s->is_metadata = 0; - if (!s->is_last_metablock) { - s->substate_metablock_header = BROTLI_STATE_METABLOCK_HEADER_NIBBLES; - break; - } - s->substate_metablock_header = BROTLI_STATE_METABLOCK_HEADER_EMPTY; - /* Fall through. */ - - case BROTLI_STATE_METABLOCK_HEADER_EMPTY: - if (!BrotliSafeReadBits(br, 1, &bits)) { - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - if (bits) { - s->substate_metablock_header = BROTLI_STATE_METABLOCK_HEADER_NONE; - return BROTLI_DECODER_SUCCESS; - } - s->substate_metablock_header = BROTLI_STATE_METABLOCK_HEADER_NIBBLES; - /* Fall through. */ - - case BROTLI_STATE_METABLOCK_HEADER_NIBBLES: - if (!BrotliSafeReadBits(br, 2, &bits)) { - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - s->size_nibbles = (uint8_t)(bits + 4); - s->loop_counter = 0; - if (bits == 3) { - s->is_metadata = 1; - s->substate_metablock_header = BROTLI_STATE_METABLOCK_HEADER_RESERVED; - break; - } - s->substate_metablock_header = BROTLI_STATE_METABLOCK_HEADER_SIZE; - /* Fall through. */ - - case BROTLI_STATE_METABLOCK_HEADER_SIZE: - i = s->loop_counter; - for (; i < (int)s->size_nibbles; ++i) { - if (!BrotliSafeReadBits(br, 4, &bits)) { - s->loop_counter = i; - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - if (i + 1 == (int)s->size_nibbles && s->size_nibbles > 4 && - bits == 0) { - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_EXUBERANT_NIBBLE); - } - s->meta_block_remaining_len |= (int)(bits << (i * 4)); - } - s->substate_metablock_header = - BROTLI_STATE_METABLOCK_HEADER_UNCOMPRESSED; - /* Fall through. */ - - case BROTLI_STATE_METABLOCK_HEADER_UNCOMPRESSED: - if (!s->is_last_metablock) { - if (!BrotliSafeReadBits(br, 1, &bits)) { - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - s->is_uncompressed = bits ? 1 : 0; - } - ++s->meta_block_remaining_len; - s->substate_metablock_header = BROTLI_STATE_METABLOCK_HEADER_NONE; - return BROTLI_DECODER_SUCCESS; - - case BROTLI_STATE_METABLOCK_HEADER_RESERVED: - if (!BrotliSafeReadBits(br, 1, &bits)) { - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - if (bits != 0) { - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_RESERVED); - } - s->substate_metablock_header = BROTLI_STATE_METABLOCK_HEADER_BYTES; - /* Fall through. */ - - case BROTLI_STATE_METABLOCK_HEADER_BYTES: - if (!BrotliSafeReadBits(br, 2, &bits)) { - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - if (bits == 0) { - s->substate_metablock_header = BROTLI_STATE_METABLOCK_HEADER_NONE; - return BROTLI_DECODER_SUCCESS; - } - s->size_nibbles = (uint8_t)bits; - s->substate_metablock_header = BROTLI_STATE_METABLOCK_HEADER_METADATA; - /* Fall through. */ - - case BROTLI_STATE_METABLOCK_HEADER_METADATA: - i = s->loop_counter; - for (; i < (int)s->size_nibbles; ++i) { - if (!BrotliSafeReadBits(br, 8, &bits)) { - s->loop_counter = i; - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - if (i + 1 == (int)s->size_nibbles && s->size_nibbles > 1 && - bits == 0) { - return BROTLI_FAILURE( - BROTLI_DECODER_ERROR_FORMAT_EXUBERANT_META_NIBBLE); - } - s->meta_block_remaining_len |= (int)(bits << (i * 8)); - } - ++s->meta_block_remaining_len; - s->substate_metablock_header = BROTLI_STATE_METABLOCK_HEADER_NONE; - return BROTLI_DECODER_SUCCESS; - - default: - return - BROTLI_FAILURE(BROTLI_DECODER_ERROR_UNREACHABLE); /* COV_NF_LINE */ - } - } -} - -/* Decodes the Huffman code. - This method doesn't read data from the bit reader, BUT drops the amount of - bits that correspond to the decoded symbol. - bits MUST contain at least 15 (BROTLI_HUFFMAN_MAX_CODE_LENGTH) valid bits. */ -static BROTLI_INLINE brotli_reg_t DecodeSymbol(brotli_reg_t bits, - const HuffmanCode* table, - BrotliBitReader* br) { - BROTLI_HC_MARK_TABLE_FOR_FAST_LOAD(table); - BROTLI_HC_ADJUST_TABLE_INDEX(table, bits & HUFFMAN_TABLE_MASK); - if (BROTLI_HC_FAST_LOAD_BITS(table) > HUFFMAN_TABLE_BITS) { - brotli_reg_t nbits = BROTLI_HC_FAST_LOAD_BITS(table) - HUFFMAN_TABLE_BITS; - BrotliDropBits(br, HUFFMAN_TABLE_BITS); - BROTLI_HC_ADJUST_TABLE_INDEX(table, - BROTLI_HC_FAST_LOAD_VALUE(table) + - ((bits >> HUFFMAN_TABLE_BITS) & BitMask(nbits))); - } - BrotliDropBits(br, BROTLI_HC_FAST_LOAD_BITS(table)); - return BROTLI_HC_FAST_LOAD_VALUE(table); -} - -/* Reads and decodes the next Huffman code from bit-stream. - This method peeks 16 bits of input and drops 0 - 15 of them. */ -static BROTLI_INLINE brotli_reg_t ReadSymbol(const HuffmanCode* table, - BrotliBitReader* br) { - return DecodeSymbol(BrotliGet16BitsUnmasked(br), table, br); -} - -/* Same as DecodeSymbol, but it is known that there is less than 15 bits of - input are currently available. */ -static BROTLI_NOINLINE BROTLI_BOOL SafeDecodeSymbol( - const HuffmanCode* table, BrotliBitReader* br, brotli_reg_t* result) { - brotli_reg_t val; - brotli_reg_t available_bits = BrotliGetAvailableBits(br); - BROTLI_HC_MARK_TABLE_FOR_FAST_LOAD(table); - if (available_bits == 0) { - if (BROTLI_HC_FAST_LOAD_BITS(table) == 0) { - *result = BROTLI_HC_FAST_LOAD_VALUE(table); - return BROTLI_TRUE; - } - return BROTLI_FALSE; /* No valid bits at all. */ - } - val = BrotliGetBitsUnmasked(br); - BROTLI_HC_ADJUST_TABLE_INDEX(table, val & HUFFMAN_TABLE_MASK); - if (BROTLI_HC_FAST_LOAD_BITS(table) <= HUFFMAN_TABLE_BITS) { - if (BROTLI_HC_FAST_LOAD_BITS(table) <= available_bits) { - BrotliDropBits(br, BROTLI_HC_FAST_LOAD_BITS(table)); - *result = BROTLI_HC_FAST_LOAD_VALUE(table); - return BROTLI_TRUE; - } else { - return BROTLI_FALSE; /* Not enough bits for the first level. */ - } - } - if (available_bits <= HUFFMAN_TABLE_BITS) { - return BROTLI_FALSE; /* Not enough bits to move to the second level. */ - } - - /* Speculatively drop HUFFMAN_TABLE_BITS. */ - val = (val & BitMask(BROTLI_HC_FAST_LOAD_BITS(table))) >> HUFFMAN_TABLE_BITS; - available_bits -= HUFFMAN_TABLE_BITS; - BROTLI_HC_ADJUST_TABLE_INDEX(table, BROTLI_HC_FAST_LOAD_VALUE(table) + val); - if (available_bits < BROTLI_HC_FAST_LOAD_BITS(table)) { - return BROTLI_FALSE; /* Not enough bits for the second level. */ - } - - BrotliDropBits(br, HUFFMAN_TABLE_BITS + BROTLI_HC_FAST_LOAD_BITS(table)); - *result = BROTLI_HC_FAST_LOAD_VALUE(table); - return BROTLI_TRUE; -} - -static BROTLI_INLINE BROTLI_BOOL SafeReadSymbol( - const HuffmanCode* table, BrotliBitReader* br, brotli_reg_t* result) { - brotli_reg_t val; - if (BROTLI_PREDICT_TRUE(BrotliSafeGetBits(br, 15, &val))) { - *result = DecodeSymbol(val, table, br); - return BROTLI_TRUE; - } - return SafeDecodeSymbol(table, br, result); -} - -/* Makes a look-up in first level Huffman table. Peeks 8 bits. */ -static BROTLI_INLINE void PreloadSymbol(int safe, - const HuffmanCode* table, - BrotliBitReader* br, - brotli_reg_t* bits, - brotli_reg_t* value) { - if (safe) { - return; - } - BROTLI_HC_MARK_TABLE_FOR_FAST_LOAD(table); - BROTLI_HC_ADJUST_TABLE_INDEX(table, BrotliGetBits(br, HUFFMAN_TABLE_BITS)); - *bits = BROTLI_HC_FAST_LOAD_BITS(table); - *value = BROTLI_HC_FAST_LOAD_VALUE(table); -} - -/* Decodes the next Huffman code using data prepared by PreloadSymbol. - Reads 0 - 15 bits. Also peeks 8 following bits. */ -static BROTLI_INLINE brotli_reg_t ReadPreloadedSymbol(const HuffmanCode* table, - BrotliBitReader* br, - brotli_reg_t* bits, - brotli_reg_t* value) { - brotli_reg_t result = *value; - if (BROTLI_PREDICT_FALSE(*bits > HUFFMAN_TABLE_BITS)) { - brotli_reg_t val = BrotliGet16BitsUnmasked(br); - const HuffmanCode* ext = table + (val & HUFFMAN_TABLE_MASK) + *value; - brotli_reg_t mask = BitMask((*bits - HUFFMAN_TABLE_BITS)); - BROTLI_HC_MARK_TABLE_FOR_FAST_LOAD(ext); - BrotliDropBits(br, HUFFMAN_TABLE_BITS); - BROTLI_HC_ADJUST_TABLE_INDEX(ext, (val >> HUFFMAN_TABLE_BITS) & mask); - BrotliDropBits(br, BROTLI_HC_FAST_LOAD_BITS(ext)); - result = BROTLI_HC_FAST_LOAD_VALUE(ext); - } else { - BrotliDropBits(br, *bits); - } - PreloadSymbol(0, table, br, bits, value); - return result; -} - -static BROTLI_INLINE brotli_reg_t Log2Floor(brotli_reg_t x) { - brotli_reg_t result = 0; - while (x) { - x >>= 1; - ++result; - } - return result; -} - -/* Reads (s->symbol + 1) symbols. - Totally 1..4 symbols are read, 1..11 bits each. - The list of symbols MUST NOT contain duplicates. */ -static BrotliDecoderErrorCode ReadSimpleHuffmanSymbols( - brotli_reg_t alphabet_size_max, brotli_reg_t alphabet_size_limit, - BrotliDecoderState* s) { - /* max_bits == 1..11; symbol == 0..3; 1..44 bits will be read. */ - BrotliBitReader* br = &s->br; - BrotliMetablockHeaderArena* h = &s->arena.header; - brotli_reg_t max_bits = Log2Floor(alphabet_size_max - 1); - brotli_reg_t i = h->sub_loop_counter; - brotli_reg_t num_symbols = h->symbol; - while (i <= num_symbols) { - brotli_reg_t v; - if (BROTLI_PREDICT_FALSE(!BrotliSafeReadBits(br, max_bits, &v))) { - h->sub_loop_counter = i; - h->substate_huffman = BROTLI_STATE_HUFFMAN_SIMPLE_READ; - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - if (v >= alphabet_size_limit) { - return - BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_SIMPLE_HUFFMAN_ALPHABET); - } - h->symbols_lists_array[i] = (uint16_t)v; - BROTLI_LOG_UINT(h->symbols_lists_array[i]); - ++i; - } - - for (i = 0; i < num_symbols; ++i) { - brotli_reg_t k = i + 1; - for (; k <= num_symbols; ++k) { - if (h->symbols_lists_array[i] == h->symbols_lists_array[k]) { - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_SIMPLE_HUFFMAN_SAME); - } - } - } - - return BROTLI_DECODER_SUCCESS; -} - -/* Process single decoded symbol code length: - A) reset the repeat variable - B) remember code length (if it is not 0) - C) extend corresponding index-chain - D) reduce the Huffman space - E) update the histogram */ -static BROTLI_INLINE void ProcessSingleCodeLength(brotli_reg_t code_len, - brotli_reg_t* symbol, brotli_reg_t* repeat, brotli_reg_t* space, - brotli_reg_t* prev_code_len, uint16_t* symbol_lists, - uint16_t* code_length_histo, int* next_symbol) { - *repeat = 0; - if (code_len != 0) { /* code_len == 1..15 */ - symbol_lists[next_symbol[code_len]] = (uint16_t)(*symbol); - next_symbol[code_len] = (int)(*symbol); - *prev_code_len = code_len; - *space -= 32768U >> code_len; - code_length_histo[code_len]++; - BROTLI_LOG(("[ReadHuffmanCode] code_length[%d] = %d\n", - (int)*symbol, (int)code_len)); - } - (*symbol)++; -} - -/* Process repeated symbol code length. - A) Check if it is the extension of previous repeat sequence; if the decoded - value is not BROTLI_REPEAT_PREVIOUS_CODE_LENGTH, then it is a new - symbol-skip - B) Update repeat variable - C) Check if operation is feasible (fits alphabet) - D) For each symbol do the same operations as in ProcessSingleCodeLength - - PRECONDITION: code_len == BROTLI_REPEAT_PREVIOUS_CODE_LENGTH or - code_len == BROTLI_REPEAT_ZERO_CODE_LENGTH */ -static BROTLI_INLINE void ProcessRepeatedCodeLength(brotli_reg_t code_len, - brotli_reg_t repeat_delta, brotli_reg_t alphabet_size, brotli_reg_t* symbol, - brotli_reg_t* repeat, brotli_reg_t* space, brotli_reg_t* prev_code_len, - brotli_reg_t* repeat_code_len, uint16_t* symbol_lists, - uint16_t* code_length_histo, int* next_symbol) { - brotli_reg_t old_repeat; - brotli_reg_t extra_bits = 3; /* for BROTLI_REPEAT_ZERO_CODE_LENGTH */ - brotli_reg_t new_len = 0; /* for BROTLI_REPEAT_ZERO_CODE_LENGTH */ - if (code_len == BROTLI_REPEAT_PREVIOUS_CODE_LENGTH) { - new_len = *prev_code_len; - extra_bits = 2; - } - if (*repeat_code_len != new_len) { - *repeat = 0; - *repeat_code_len = new_len; - } - old_repeat = *repeat; - if (*repeat > 0) { - *repeat -= 2; - *repeat <<= extra_bits; - } - *repeat += repeat_delta + 3U; - repeat_delta = *repeat - old_repeat; - if (*symbol + repeat_delta > alphabet_size) { - BROTLI_DUMP(); - *symbol = alphabet_size; - *space = 0xFFFFF; - return; - } - BROTLI_LOG(("[ReadHuffmanCode] code_length[%d..%d] = %d\n", - (int)*symbol, (int)(*symbol + repeat_delta - 1), (int)*repeat_code_len)); - if (*repeat_code_len != 0) { - brotli_reg_t last = *symbol + repeat_delta; - int next = next_symbol[*repeat_code_len]; - do { - symbol_lists[next] = (uint16_t)*symbol; - next = (int)*symbol; - } while (++(*symbol) != last); - next_symbol[*repeat_code_len] = next; - *space -= repeat_delta << (15 - *repeat_code_len); - code_length_histo[*repeat_code_len] = - (uint16_t)(code_length_histo[*repeat_code_len] + repeat_delta); - } else { - *symbol += repeat_delta; - } -} - -/* Reads and decodes symbol codelengths. */ -static BrotliDecoderErrorCode ReadSymbolCodeLengths( - brotli_reg_t alphabet_size, BrotliDecoderState* s) { - BrotliBitReader* br = &s->br; - BrotliMetablockHeaderArena* h = &s->arena.header; - brotli_reg_t symbol = h->symbol; - brotli_reg_t repeat = h->repeat; - brotli_reg_t space = h->space; - brotli_reg_t prev_code_len = h->prev_code_len; - brotli_reg_t repeat_code_len = h->repeat_code_len; - uint16_t* symbol_lists = h->symbol_lists; - uint16_t* code_length_histo = h->code_length_histo; - int* next_symbol = h->next_symbol; - if (!BrotliWarmupBitReader(br)) { - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - while (symbol < alphabet_size && space > 0) { - const HuffmanCode* p = h->table; - brotli_reg_t code_len; - BROTLI_HC_MARK_TABLE_FOR_FAST_LOAD(p); - if (!BrotliCheckInputAmount(br)) { - h->symbol = symbol; - h->repeat = repeat; - h->prev_code_len = prev_code_len; - h->repeat_code_len = repeat_code_len; - h->space = space; - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - BrotliFillBitWindow16(br); - BROTLI_HC_ADJUST_TABLE_INDEX(p, BrotliGetBitsUnmasked(br) & - BitMask(BROTLI_HUFFMAN_MAX_CODE_LENGTH_CODE_LENGTH)); - BrotliDropBits(br, BROTLI_HC_FAST_LOAD_BITS(p)); /* Use 1..5 bits. */ - code_len = BROTLI_HC_FAST_LOAD_VALUE(p); /* code_len == 0..17 */ - if (code_len < BROTLI_REPEAT_PREVIOUS_CODE_LENGTH) { - ProcessSingleCodeLength(code_len, &symbol, &repeat, &space, - &prev_code_len, symbol_lists, code_length_histo, next_symbol); - } else { /* code_len == 16..17, extra_bits == 2..3 */ - brotli_reg_t extra_bits = - (code_len == BROTLI_REPEAT_PREVIOUS_CODE_LENGTH) ? 2 : 3; - brotli_reg_t repeat_delta = - BrotliGetBitsUnmasked(br) & BitMask(extra_bits); - BrotliDropBits(br, extra_bits); - ProcessRepeatedCodeLength(code_len, repeat_delta, alphabet_size, - &symbol, &repeat, &space, &prev_code_len, &repeat_code_len, - symbol_lists, code_length_histo, next_symbol); - } - } - h->space = space; - return BROTLI_DECODER_SUCCESS; -} - -static BrotliDecoderErrorCode SafeReadSymbolCodeLengths( - brotli_reg_t alphabet_size, BrotliDecoderState* s) { - BrotliBitReader* br = &s->br; - BrotliMetablockHeaderArena* h = &s->arena.header; - BROTLI_BOOL get_byte = BROTLI_FALSE; - while (h->symbol < alphabet_size && h->space > 0) { - const HuffmanCode* p = h->table; - brotli_reg_t code_len; - brotli_reg_t available_bits; - brotli_reg_t bits = 0; - BROTLI_HC_MARK_TABLE_FOR_FAST_LOAD(p); - if (get_byte && !BrotliPullByte(br)) return BROTLI_DECODER_NEEDS_MORE_INPUT; - get_byte = BROTLI_FALSE; - available_bits = BrotliGetAvailableBits(br); - if (available_bits != 0) { - bits = (uint32_t)BrotliGetBitsUnmasked(br); - } - BROTLI_HC_ADJUST_TABLE_INDEX(p, - bits & BitMask(BROTLI_HUFFMAN_MAX_CODE_LENGTH_CODE_LENGTH)); - if (BROTLI_HC_FAST_LOAD_BITS(p) > available_bits) { - get_byte = BROTLI_TRUE; - continue; - } - code_len = BROTLI_HC_FAST_LOAD_VALUE(p); /* code_len == 0..17 */ - if (code_len < BROTLI_REPEAT_PREVIOUS_CODE_LENGTH) { - BrotliDropBits(br, BROTLI_HC_FAST_LOAD_BITS(p)); - ProcessSingleCodeLength(code_len, &h->symbol, &h->repeat, &h->space, - &h->prev_code_len, h->symbol_lists, h->code_length_histo, - h->next_symbol); - } else { /* code_len == 16..17, extra_bits == 2..3 */ - brotli_reg_t extra_bits = code_len - 14U; - brotli_reg_t repeat_delta = (bits >> BROTLI_HC_FAST_LOAD_BITS(p)) & - BitMask(extra_bits); - if (available_bits < BROTLI_HC_FAST_LOAD_BITS(p) + extra_bits) { - get_byte = BROTLI_TRUE; - continue; - } - BrotliDropBits(br, BROTLI_HC_FAST_LOAD_BITS(p) + extra_bits); - ProcessRepeatedCodeLength(code_len, repeat_delta, alphabet_size, - &h->symbol, &h->repeat, &h->space, &h->prev_code_len, - &h->repeat_code_len, h->symbol_lists, h->code_length_histo, - h->next_symbol); - } - } - return BROTLI_DECODER_SUCCESS; -} - -/* Reads and decodes 15..18 codes using static prefix code. - Each code is 2..4 bits long. In total 30..72 bits are used. */ -static BrotliDecoderErrorCode ReadCodeLengthCodeLengths(BrotliDecoderState* s) { - BrotliBitReader* br = &s->br; - BrotliMetablockHeaderArena* h = &s->arena.header; - brotli_reg_t num_codes = h->repeat; - brotli_reg_t space = h->space; - brotli_reg_t i = h->sub_loop_counter; - for (; i < BROTLI_CODE_LENGTH_CODES; ++i) { - const uint8_t code_len_idx = kCodeLengthCodeOrder[i]; - brotli_reg_t ix; - brotli_reg_t v; - if (BROTLI_PREDICT_FALSE(!BrotliSafeGetBits(br, 4, &ix))) { - brotli_reg_t available_bits = BrotliGetAvailableBits(br); - if (available_bits != 0) { - ix = BrotliGetBitsUnmasked(br) & 0xF; - } else { - ix = 0; - } - if (kCodeLengthPrefixLength[ix] > available_bits) { - h->sub_loop_counter = i; - h->repeat = num_codes; - h->space = space; - h->substate_huffman = BROTLI_STATE_HUFFMAN_COMPLEX; - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - } - v = kCodeLengthPrefixValue[ix]; - BrotliDropBits(br, kCodeLengthPrefixLength[ix]); - h->code_length_code_lengths[code_len_idx] = (uint8_t)v; - BROTLI_LOG_ARRAY_INDEX(h->code_length_code_lengths, code_len_idx); - if (v != 0) { - space = space - (32U >> v); - ++num_codes; - ++h->code_length_histo[v]; - if (space - 1U >= 32U) { - /* space is 0 or wrapped around. */ - break; - } - } - } - if (!(num_codes == 1 || space == 0)) { - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_CL_SPACE); - } - return BROTLI_DECODER_SUCCESS; -} - -/* Decodes the Huffman tables. - There are 2 scenarios: - A) Huffman code contains only few symbols (1..4). Those symbols are read - directly; their code lengths are defined by the number of symbols. - For this scenario 4 - 49 bits will be read. - - B) 2-phase decoding: - B.1) Small Huffman table is decoded; it is specified with code lengths - encoded with predefined entropy code. 32 - 74 bits are used. - B.2) Decoded table is used to decode code lengths of symbols in resulting - Huffman table. In worst case 3520 bits are read. */ -static BrotliDecoderErrorCode ReadHuffmanCode(brotli_reg_t alphabet_size_max, - brotli_reg_t alphabet_size_limit, - HuffmanCode* table, - brotli_reg_t* opt_table_size, - BrotliDecoderState* s) { - BrotliBitReader* br = &s->br; - BrotliMetablockHeaderArena* h = &s->arena.header; - /* State machine. */ - for (;;) { - switch (h->substate_huffman) { - case BROTLI_STATE_HUFFMAN_NONE: - if (!BrotliSafeReadBits(br, 2, &h->sub_loop_counter)) { - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - BROTLI_LOG_UINT(h->sub_loop_counter); - /* The value is used as follows: - 1 for simple code; - 0 for no skipping, 2 skips 2 code lengths, 3 skips 3 code lengths */ - if (h->sub_loop_counter != 1) { - h->space = 32; - h->repeat = 0; /* num_codes */ - memset(&h->code_length_histo[0], 0, sizeof(h->code_length_histo[0]) * - (BROTLI_HUFFMAN_MAX_CODE_LENGTH_CODE_LENGTH + 1)); - memset(&h->code_length_code_lengths[0], 0, - sizeof(h->code_length_code_lengths)); - h->substate_huffman = BROTLI_STATE_HUFFMAN_COMPLEX; - continue; - } - /* Fall through. */ - - case BROTLI_STATE_HUFFMAN_SIMPLE_SIZE: - /* Read symbols, codes & code lengths directly. */ - if (!BrotliSafeReadBits(br, 2, &h->symbol)) { /* num_symbols */ - h->substate_huffman = BROTLI_STATE_HUFFMAN_SIMPLE_SIZE; - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - h->sub_loop_counter = 0; - /* Fall through. */ - - case BROTLI_STATE_HUFFMAN_SIMPLE_READ: { - BrotliDecoderErrorCode result = - ReadSimpleHuffmanSymbols(alphabet_size_max, alphabet_size_limit, s); - if (result != BROTLI_DECODER_SUCCESS) { - return result; - } - } - /* Fall through. */ - - case BROTLI_STATE_HUFFMAN_SIMPLE_BUILD: { - brotli_reg_t table_size; - if (h->symbol == 3) { - brotli_reg_t bits; - if (!BrotliSafeReadBits(br, 1, &bits)) { - h->substate_huffman = BROTLI_STATE_HUFFMAN_SIMPLE_BUILD; - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - h->symbol += bits; - } - BROTLI_LOG_UINT(h->symbol); - table_size = BrotliBuildSimpleHuffmanTable(table, HUFFMAN_TABLE_BITS, - h->symbols_lists_array, - (uint32_t)h->symbol); - if (opt_table_size) { - *opt_table_size = table_size; - } - h->substate_huffman = BROTLI_STATE_HUFFMAN_NONE; - return BROTLI_DECODER_SUCCESS; - } - - /* Decode Huffman-coded code lengths. */ - case BROTLI_STATE_HUFFMAN_COMPLEX: { - brotli_reg_t i; - BrotliDecoderErrorCode result = ReadCodeLengthCodeLengths(s); - if (result != BROTLI_DECODER_SUCCESS) { - return result; - } - BrotliBuildCodeLengthsHuffmanTable(h->table, - h->code_length_code_lengths, - h->code_length_histo); - memset(&h->code_length_histo[0], 0, sizeof(h->code_length_histo)); - for (i = 0; i <= BROTLI_HUFFMAN_MAX_CODE_LENGTH; ++i) { - h->next_symbol[i] = (int)i - (BROTLI_HUFFMAN_MAX_CODE_LENGTH + 1); - h->symbol_lists[h->next_symbol[i]] = 0xFFFF; - } - - h->symbol = 0; - h->prev_code_len = BROTLI_INITIAL_REPEATED_CODE_LENGTH; - h->repeat = 0; - h->repeat_code_len = 0; - h->space = 32768; - h->substate_huffman = BROTLI_STATE_HUFFMAN_LENGTH_SYMBOLS; - } - /* Fall through. */ - - case BROTLI_STATE_HUFFMAN_LENGTH_SYMBOLS: { - brotli_reg_t table_size; - BrotliDecoderErrorCode result = ReadSymbolCodeLengths( - alphabet_size_limit, s); - if (result == BROTLI_DECODER_NEEDS_MORE_INPUT) { - result = SafeReadSymbolCodeLengths(alphabet_size_limit, s); - } - if (result != BROTLI_DECODER_SUCCESS) { - return result; - } - - if (h->space != 0) { - BROTLI_LOG(("[ReadHuffmanCode] space = %d\n", (int)h->space)); - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_HUFFMAN_SPACE); - } - table_size = BrotliBuildHuffmanTable( - table, HUFFMAN_TABLE_BITS, h->symbol_lists, h->code_length_histo); - if (opt_table_size) { - *opt_table_size = table_size; - } - h->substate_huffman = BROTLI_STATE_HUFFMAN_NONE; - return BROTLI_DECODER_SUCCESS; - } - - default: - return - BROTLI_FAILURE(BROTLI_DECODER_ERROR_UNREACHABLE); /* COV_NF_LINE */ - } - } -} - -/* Decodes a block length by reading 3..39 bits. */ -static BROTLI_INLINE brotli_reg_t ReadBlockLength(const HuffmanCode* table, - BrotliBitReader* br) { - brotli_reg_t code; - brotli_reg_t nbits; - code = ReadSymbol(table, br); - nbits = _kBrotliPrefixCodeRanges[code].nbits; /* nbits == 2..24 */ - return _kBrotliPrefixCodeRanges[code].offset + BrotliReadBits24(br, nbits); -} - -/* WARNING: if state is not BROTLI_STATE_READ_BLOCK_LENGTH_NONE, then - reading can't be continued with ReadBlockLength. */ -static BROTLI_INLINE BROTLI_BOOL SafeReadBlockLength( - BrotliDecoderState* s, brotli_reg_t* result, const HuffmanCode* table, - BrotliBitReader* br) { - brotli_reg_t index; - if (s->substate_read_block_length == BROTLI_STATE_READ_BLOCK_LENGTH_NONE) { - if (!SafeReadSymbol(table, br, &index)) { - return BROTLI_FALSE; - } - } else { - index = s->block_length_index; - } - { - brotli_reg_t bits; - brotli_reg_t nbits = _kBrotliPrefixCodeRanges[index].nbits; - brotli_reg_t offset = _kBrotliPrefixCodeRanges[index].offset; - if (!BrotliSafeReadBits(br, nbits, &bits)) { - s->block_length_index = index; - s->substate_read_block_length = BROTLI_STATE_READ_BLOCK_LENGTH_SUFFIX; - return BROTLI_FALSE; - } - *result = offset + bits; - s->substate_read_block_length = BROTLI_STATE_READ_BLOCK_LENGTH_NONE; - return BROTLI_TRUE; - } -} - -/* Transform: - 1) initialize list L with values 0, 1,... 255 - 2) For each input element X: - 2.1) let Y = L[X] - 2.2) remove X-th element from L - 2.3) prepend Y to L - 2.4) append Y to output - - In most cases max(Y) <= 7, so most of L remains intact. - To reduce the cost of initialization, we reuse L, remember the upper bound - of Y values, and reinitialize only first elements in L. - - Most of input values are 0 and 1. To reduce number of branches, we replace - inner for loop with do-while. */ -static BROTLI_NOINLINE void InverseMoveToFrontTransform( - uint8_t* v, brotli_reg_t v_len, BrotliDecoderState* state) { - /* Reinitialize elements that could have been changed. */ - brotli_reg_t i = 1; - brotli_reg_t upper_bound = state->mtf_upper_bound; - uint32_t* mtf = &state->mtf[1]; /* Make mtf[-1] addressable. */ - uint8_t* mtf_u8 = (uint8_t*)mtf; - /* Load endian-aware constant. */ - const uint8_t b0123[4] = {0, 1, 2, 3}; - uint32_t pattern; - memcpy(&pattern, &b0123, 4); - - /* Initialize list using 4 consequent values pattern. */ - mtf[0] = pattern; - do { - pattern += 0x04040404; /* Advance all 4 values by 4. */ - mtf[i] = pattern; - i++; - } while (i <= upper_bound); - - /* Transform the input. */ - upper_bound = 0; - for (i = 0; i < v_len; ++i) { - int index = v[i]; - uint8_t value = mtf_u8[index]; - upper_bound |= v[i]; - v[i] = value; - mtf_u8[-1] = value; - do { - index--; - mtf_u8[index + 1] = mtf_u8[index]; - } while (index >= 0); - } - /* Remember amount of elements to be reinitialized. */ - state->mtf_upper_bound = upper_bound >> 2; -} - -/* Decodes a series of Huffman table using ReadHuffmanCode function. */ -static BrotliDecoderErrorCode HuffmanTreeGroupDecode( - HuffmanTreeGroup* group, BrotliDecoderState* s) { - BrotliMetablockHeaderArena* h = &s->arena.header; - if (h->substate_tree_group != BROTLI_STATE_TREE_GROUP_LOOP) { - h->next = group->codes; - h->htree_index = 0; - h->substate_tree_group = BROTLI_STATE_TREE_GROUP_LOOP; - } - while (h->htree_index < group->num_htrees) { - brotli_reg_t table_size; - BrotliDecoderErrorCode result = ReadHuffmanCode(group->alphabet_size_max, - group->alphabet_size_limit, h->next, &table_size, s); - if (result != BROTLI_DECODER_SUCCESS) return result; - group->htrees[h->htree_index] = h->next; - h->next += table_size; - ++h->htree_index; - } - h->substate_tree_group = BROTLI_STATE_TREE_GROUP_NONE; - return BROTLI_DECODER_SUCCESS; -} - -/* Decodes a context map. - Decoding is done in 4 phases: - 1) Read auxiliary information (6..16 bits) and allocate memory. - In case of trivial context map, decoding is finished at this phase. - 2) Decode Huffman table using ReadHuffmanCode function. - This table will be used for reading context map items. - 3) Read context map items; "0" values could be run-length encoded. - 4) Optionally, apply InverseMoveToFront transform to the resulting map. */ -static BrotliDecoderErrorCode DecodeContextMap(brotli_reg_t context_map_size, - brotli_reg_t* num_htrees, - uint8_t** context_map_arg, - BrotliDecoderState* s) { - BrotliBitReader* br = &s->br; - BrotliDecoderErrorCode result = BROTLI_DECODER_SUCCESS; - BrotliMetablockHeaderArena* h = &s->arena.header; - - switch ((int)h->substate_context_map) { - case BROTLI_STATE_CONTEXT_MAP_NONE: - result = DecodeVarLenUint8(s, br, num_htrees); - if (result != BROTLI_DECODER_SUCCESS) { - return result; - } - (*num_htrees)++; - h->context_index = 0; - BROTLI_LOG_UINT(context_map_size); - BROTLI_LOG_UINT(*num_htrees); - *context_map_arg = - (uint8_t*)BROTLI_DECODER_ALLOC(s, (size_t)context_map_size); - if (*context_map_arg == 0) { - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_ALLOC_CONTEXT_MAP); - } - if (*num_htrees <= 1) { - memset(*context_map_arg, 0, (size_t)context_map_size); - return BROTLI_DECODER_SUCCESS; - } - h->substate_context_map = BROTLI_STATE_CONTEXT_MAP_READ_PREFIX; - /* Fall through. */ - - case BROTLI_STATE_CONTEXT_MAP_READ_PREFIX: { - brotli_reg_t bits; - /* In next stage ReadHuffmanCode uses at least 4 bits, so it is safe - to peek 4 bits ahead. */ - if (!BrotliSafeGetBits(br, 5, &bits)) { - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - if ((bits & 1) != 0) { /* Use RLE for zeros. */ - h->max_run_length_prefix = (bits >> 1) + 1; - BrotliDropBits(br, 5); - } else { - h->max_run_length_prefix = 0; - BrotliDropBits(br, 1); - } - BROTLI_LOG_UINT(h->max_run_length_prefix); - h->substate_context_map = BROTLI_STATE_CONTEXT_MAP_HUFFMAN; - } - /* Fall through. */ - - case BROTLI_STATE_CONTEXT_MAP_HUFFMAN: { - brotli_reg_t alphabet_size = *num_htrees + h->max_run_length_prefix; - result = ReadHuffmanCode(alphabet_size, alphabet_size, - h->context_map_table, NULL, s); - if (result != BROTLI_DECODER_SUCCESS) return result; - h->code = 0xFFFF; - h->substate_context_map = BROTLI_STATE_CONTEXT_MAP_DECODE; - } - /* Fall through. */ - - case BROTLI_STATE_CONTEXT_MAP_DECODE: { - brotli_reg_t context_index = h->context_index; - brotli_reg_t max_run_length_prefix = h->max_run_length_prefix; - uint8_t* context_map = *context_map_arg; - brotli_reg_t code = h->code; - BROTLI_BOOL skip_preamble = (code != 0xFFFF); - while (context_index < context_map_size || skip_preamble) { - if (!skip_preamble) { - if (!SafeReadSymbol(h->context_map_table, br, &code)) { - h->code = 0xFFFF; - h->context_index = context_index; - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - BROTLI_LOG_UINT(code); - - if (code == 0) { - context_map[context_index++] = 0; - continue; - } - if (code > max_run_length_prefix) { - context_map[context_index++] = - (uint8_t)(code - max_run_length_prefix); - continue; - } - } else { - skip_preamble = BROTLI_FALSE; - } - /* RLE sub-stage. */ - { - brotli_reg_t reps; - if (!BrotliSafeReadBits(br, code, &reps)) { - h->code = code; - h->context_index = context_index; - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - reps += 1U << code; - BROTLI_LOG_UINT(reps); - if (context_index + reps > context_map_size) { - return - BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_CONTEXT_MAP_REPEAT); - } - do { - context_map[context_index++] = 0; - } while (--reps); - } - } - } - /* Fall through. */ - - case BROTLI_STATE_CONTEXT_MAP_TRANSFORM: { - brotli_reg_t bits; - if (!BrotliSafeReadBits(br, 1, &bits)) { - h->substate_context_map = BROTLI_STATE_CONTEXT_MAP_TRANSFORM; - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - if (bits != 0) { - InverseMoveToFrontTransform(*context_map_arg, context_map_size, s); - } - h->substate_context_map = BROTLI_STATE_CONTEXT_MAP_NONE; - return BROTLI_DECODER_SUCCESS; - } - - default: - return - BROTLI_FAILURE(BROTLI_DECODER_ERROR_UNREACHABLE); /* COV_NF_LINE */ - } -} - -/* Decodes a command or literal and updates block type ring-buffer. - Reads 3..54 bits. */ -static BROTLI_INLINE BROTLI_BOOL DecodeBlockTypeAndLength( - int safe, BrotliDecoderState* s, int tree_type) { - brotli_reg_t max_block_type = s->num_block_types[tree_type]; - const HuffmanCode* type_tree = &s->block_type_trees[ - tree_type * BROTLI_HUFFMAN_MAX_SIZE_258]; - const HuffmanCode* len_tree = &s->block_len_trees[ - tree_type * BROTLI_HUFFMAN_MAX_SIZE_26]; - BrotliBitReader* br = &s->br; - brotli_reg_t* ringbuffer = &s->block_type_rb[tree_type * 2]; - brotli_reg_t block_type; - if (max_block_type <= 1) { - return BROTLI_FALSE; - } - - /* Read 0..15 + 3..39 bits. */ - if (!safe) { - block_type = ReadSymbol(type_tree, br); - s->block_length[tree_type] = ReadBlockLength(len_tree, br); - } else { - BrotliBitReaderState memento; - BrotliBitReaderSaveState(br, &memento); - if (!SafeReadSymbol(type_tree, br, &block_type)) return BROTLI_FALSE; - if (!SafeReadBlockLength(s, &s->block_length[tree_type], len_tree, br)) { - s->substate_read_block_length = BROTLI_STATE_READ_BLOCK_LENGTH_NONE; - BrotliBitReaderRestoreState(br, &memento); - return BROTLI_FALSE; - } - } - - if (block_type == 1) { - block_type = ringbuffer[1] + 1; - } else if (block_type == 0) { - block_type = ringbuffer[0]; - } else { - block_type -= 2; - } - if (block_type >= max_block_type) { - block_type -= max_block_type; - } - ringbuffer[0] = ringbuffer[1]; - ringbuffer[1] = block_type; - return BROTLI_TRUE; -} - -static BROTLI_INLINE void DetectTrivialLiteralBlockTypes( - BrotliDecoderState* s) { - size_t i; - for (i = 0; i < 8; ++i) s->trivial_literal_contexts[i] = 0; - for (i = 0; i < s->num_block_types[0]; i++) { - size_t offset = i << BROTLI_LITERAL_CONTEXT_BITS; - size_t error = 0; - size_t sample = s->context_map[offset]; - size_t j; - for (j = 0; j < (1u << BROTLI_LITERAL_CONTEXT_BITS);) { - /* NOLINTNEXTLINE(bugprone-macro-repeated-side-effects) */ - BROTLI_REPEAT_4({ error |= s->context_map[offset + j++] ^ sample; }) - } - if (error == 0) { - s->trivial_literal_contexts[i >> 5] |= 1u << (i & 31); - } - } -} - -static BROTLI_INLINE void PrepareLiteralDecoding(BrotliDecoderState* s) { - uint8_t context_mode; - size_t trivial; - brotli_reg_t block_type = s->block_type_rb[1]; - brotli_reg_t context_offset = block_type << BROTLI_LITERAL_CONTEXT_BITS; - s->context_map_slice = s->context_map + context_offset; - trivial = s->trivial_literal_contexts[block_type >> 5]; - s->trivial_literal_context = (trivial >> (block_type & 31)) & 1; - s->literal_htree = s->literal_hgroup.htrees[s->context_map_slice[0]]; - context_mode = s->context_modes[block_type] & 3; - s->context_lookup = BROTLI_CONTEXT_LUT(context_mode); -} - -/* Decodes the block type and updates the state for literal context. - Reads 3..54 bits. */ -static BROTLI_INLINE BROTLI_BOOL DecodeLiteralBlockSwitchInternal( - int safe, BrotliDecoderState* s) { - if (!DecodeBlockTypeAndLength(safe, s, 0)) { - return BROTLI_FALSE; - } - PrepareLiteralDecoding(s); - return BROTLI_TRUE; -} - -static void BROTLI_NOINLINE DecodeLiteralBlockSwitch(BrotliDecoderState* s) { - DecodeLiteralBlockSwitchInternal(0, s); -} - -static BROTLI_BOOL BROTLI_NOINLINE SafeDecodeLiteralBlockSwitch( - BrotliDecoderState* s) { - return DecodeLiteralBlockSwitchInternal(1, s); -} - -/* Block switch for insert/copy length. - Reads 3..54 bits. */ -static BROTLI_INLINE BROTLI_BOOL DecodeCommandBlockSwitchInternal( - int safe, BrotliDecoderState* s) { - if (!DecodeBlockTypeAndLength(safe, s, 1)) { - return BROTLI_FALSE; - } - s->htree_command = s->insert_copy_hgroup.htrees[s->block_type_rb[3]]; - return BROTLI_TRUE; -} - -static void BROTLI_NOINLINE DecodeCommandBlockSwitch(BrotliDecoderState* s) { - DecodeCommandBlockSwitchInternal(0, s); -} - -static BROTLI_BOOL BROTLI_NOINLINE SafeDecodeCommandBlockSwitch( - BrotliDecoderState* s) { - return DecodeCommandBlockSwitchInternal(1, s); -} - -/* Block switch for distance codes. - Reads 3..54 bits. */ -static BROTLI_INLINE BROTLI_BOOL DecodeDistanceBlockSwitchInternal( - int safe, BrotliDecoderState* s) { - if (!DecodeBlockTypeAndLength(safe, s, 2)) { - return BROTLI_FALSE; - } - s->dist_context_map_slice = s->dist_context_map + - (s->block_type_rb[5] << BROTLI_DISTANCE_CONTEXT_BITS); - s->dist_htree_index = s->dist_context_map_slice[s->distance_context]; - return BROTLI_TRUE; -} - -static void BROTLI_NOINLINE DecodeDistanceBlockSwitch(BrotliDecoderState* s) { - DecodeDistanceBlockSwitchInternal(0, s); -} - -static BROTLI_BOOL BROTLI_NOINLINE SafeDecodeDistanceBlockSwitch( - BrotliDecoderState* s) { - return DecodeDistanceBlockSwitchInternal(1, s); -} - -static size_t UnwrittenBytes(const BrotliDecoderState* s, BROTLI_BOOL wrap) { - size_t pos = wrap && s->pos > s->ringbuffer_size ? - (size_t)s->ringbuffer_size : (size_t)(s->pos); - size_t partial_pos_rb = (s->rb_roundtrips * (size_t)s->ringbuffer_size) + pos; - return partial_pos_rb - s->partial_pos_out; -} - -/* Dumps output. - Returns BROTLI_DECODER_NEEDS_MORE_OUTPUT only if there is more output to push - and either ring-buffer is as big as window size, or |force| is true. */ -static BrotliDecoderErrorCode BROTLI_NOINLINE WriteRingBuffer( - BrotliDecoderState* s, size_t* available_out, uint8_t** next_out, - size_t* total_out, BROTLI_BOOL force) { - uint8_t* start = - s->ringbuffer + (s->partial_pos_out & (size_t)s->ringbuffer_mask); - size_t to_write = UnwrittenBytes(s, BROTLI_TRUE); - size_t num_written = *available_out; - if (num_written > to_write) { - num_written = to_write; - } - if (s->meta_block_remaining_len < 0) { - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_BLOCK_LENGTH_1); - } - if (next_out && !*next_out) { - *next_out = start; - } else { - if (next_out) { - memcpy(*next_out, start, num_written); - *next_out += num_written; - } - } - *available_out -= num_written; - BROTLI_LOG_UINT(to_write); - BROTLI_LOG_UINT(num_written); - s->partial_pos_out += num_written; - if (total_out) { - *total_out = s->partial_pos_out; - } - if (num_written < to_write) { - if (s->ringbuffer_size == (1 << s->window_bits) || force) { - return BROTLI_DECODER_NEEDS_MORE_OUTPUT; - } else { - return BROTLI_DECODER_SUCCESS; - } - } - /* Wrap ring buffer only if it has reached its maximal size. */ - if (s->ringbuffer_size == (1 << s->window_bits) && - s->pos >= s->ringbuffer_size) { - s->pos -= s->ringbuffer_size; - s->rb_roundtrips++; - s->should_wrap_ringbuffer = (size_t)s->pos != 0 ? 1 : 0; - } - return BROTLI_DECODER_SUCCESS; -} - -static void BROTLI_NOINLINE WrapRingBuffer(BrotliDecoderState* s) { - if (s->should_wrap_ringbuffer) { - memcpy(s->ringbuffer, s->ringbuffer_end, (size_t)s->pos); - s->should_wrap_ringbuffer = 0; - } -} - -/* Allocates ring-buffer. - - s->ringbuffer_size MUST be updated by BrotliCalculateRingBufferSize before - this function is called. - - Last two bytes of ring-buffer are initialized to 0, so context calculation - could be done uniformly for the first two and all other positions. */ -static BROTLI_BOOL BROTLI_NOINLINE BrotliEnsureRingBuffer( - BrotliDecoderState* s) { - uint8_t* old_ringbuffer = s->ringbuffer; - if (s->ringbuffer_size == s->new_ringbuffer_size) { - return BROTLI_TRUE; - } - - s->ringbuffer = (uint8_t*)BROTLI_DECODER_ALLOC(s, - (size_t)(s->new_ringbuffer_size) + kRingBufferWriteAheadSlack); - if (s->ringbuffer == 0) { - /* Restore previous value. */ - s->ringbuffer = old_ringbuffer; - return BROTLI_FALSE; - } - s->ringbuffer[s->new_ringbuffer_size - 2] = 0; - s->ringbuffer[s->new_ringbuffer_size - 1] = 0; - - if (!!old_ringbuffer) { - memcpy(s->ringbuffer, old_ringbuffer, (size_t)s->pos); - BROTLI_DECODER_FREE(s, old_ringbuffer); - } - - s->ringbuffer_size = s->new_ringbuffer_size; - s->ringbuffer_mask = s->new_ringbuffer_size - 1; - s->ringbuffer_end = s->ringbuffer + s->ringbuffer_size; - - return BROTLI_TRUE; -} - -static BrotliDecoderErrorCode BROTLI_NOINLINE -SkipMetadataBlock(BrotliDecoderState* s) { - BrotliBitReader* br = &s->br; - - if (s->meta_block_remaining_len == 0) { - return BROTLI_DECODER_SUCCESS; - } - - BROTLI_DCHECK((BrotliGetAvailableBits(br) & 7) == 0); - - /* Drain accumulator. */ - if (BrotliGetAvailableBits(br) >= 8) { - uint8_t buffer[8]; - int nbytes = (int)(BrotliGetAvailableBits(br)) >> 3; - BROTLI_DCHECK(nbytes <= 8); - if (nbytes > s->meta_block_remaining_len) { - nbytes = s->meta_block_remaining_len; - } - BrotliCopyBytes(buffer, br, (size_t)nbytes); - if (s->metadata_chunk_func) { - s->metadata_chunk_func(s->metadata_callback_opaque, buffer, - (size_t)nbytes); - } - s->meta_block_remaining_len -= nbytes; - if (s->meta_block_remaining_len == 0) { - return BROTLI_DECODER_SUCCESS; - } - } - - /* Direct access to metadata is possible. */ - int nbytes = (int)BrotliGetRemainingBytes(br); - if (nbytes > s->meta_block_remaining_len) { - nbytes = s->meta_block_remaining_len; - } - if (nbytes > 0) { - if (s->metadata_chunk_func) { - s->metadata_chunk_func(s->metadata_callback_opaque, br->next_in, - (size_t)nbytes); - } - BrotliDropBytes(br, (size_t)nbytes); - s->meta_block_remaining_len -= nbytes; - if (s->meta_block_remaining_len == 0) { - return BROTLI_DECODER_SUCCESS; - } - } - - BROTLI_DCHECK(BrotliGetRemainingBytes(br) == 0); - - return BROTLI_DECODER_NEEDS_MORE_INPUT; -} - -static BrotliDecoderErrorCode BROTLI_NOINLINE CopyUncompressedBlockToOutput( - size_t* available_out, uint8_t** next_out, size_t* total_out, - BrotliDecoderState* s) { - /* TODO(eustas): avoid allocation for single uncompressed block. */ - if (!BrotliEnsureRingBuffer(s)) { - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_ALLOC_RING_BUFFER_1); - } - - /* State machine */ - for (;;) { - switch (s->substate_uncompressed) { - case BROTLI_STATE_UNCOMPRESSED_NONE: { - int nbytes = (int)BrotliGetRemainingBytes(&s->br); - if (nbytes > s->meta_block_remaining_len) { - nbytes = s->meta_block_remaining_len; - } - if (s->pos + nbytes > s->ringbuffer_size) { - nbytes = s->ringbuffer_size - s->pos; - } - /* Copy remaining bytes from s->br.buf_ to ring-buffer. */ - BrotliCopyBytes(&s->ringbuffer[s->pos], &s->br, (size_t)nbytes); - s->pos += nbytes; - s->meta_block_remaining_len -= nbytes; - if (s->pos < 1 << s->window_bits) { - if (s->meta_block_remaining_len == 0) { - return BROTLI_DECODER_SUCCESS; - } - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - s->substate_uncompressed = BROTLI_STATE_UNCOMPRESSED_WRITE; - } - /* Fall through. */ - - case BROTLI_STATE_UNCOMPRESSED_WRITE: { - BrotliDecoderErrorCode result; - result = WriteRingBuffer( - s, available_out, next_out, total_out, BROTLI_FALSE); - if (result != BROTLI_DECODER_SUCCESS) { - return result; - } - if (s->ringbuffer_size == 1 << s->window_bits) { - s->max_distance = s->max_backward_distance; - } - s->substate_uncompressed = BROTLI_STATE_UNCOMPRESSED_NONE; - break; - } - } - } - BROTLI_DCHECK(0); /* Unreachable */ -} - -static BROTLI_BOOL AttachCompoundDictionary( - BrotliDecoderState* state, const uint8_t* data, size_t size) { - BrotliDecoderCompoundDictionary* addon = state->compound_dictionary; - if (state->state != BROTLI_STATE_UNINITED) return BROTLI_FALSE; - if (!addon) { - addon = (BrotliDecoderCompoundDictionary*)BROTLI_DECODER_ALLOC( - state, sizeof(BrotliDecoderCompoundDictionary)); - if (!addon) return BROTLI_FALSE; - addon->num_chunks = 0; - addon->total_size = 0; - addon->br_length = 0; - addon->br_copied = 0; - addon->block_bits = -1; - addon->chunk_offsets[0] = 0; - state->compound_dictionary = addon; - } - if (addon->num_chunks == 15) return BROTLI_FALSE; - addon->chunks[addon->num_chunks] = data; - addon->num_chunks++; - addon->total_size += (int)size; - addon->chunk_offsets[addon->num_chunks] = addon->total_size; - return BROTLI_TRUE; -} - -static void EnsureCoumpoundDictionaryInitialized(BrotliDecoderState* state) { - BrotliDecoderCompoundDictionary* addon = state->compound_dictionary; - /* 256 = (1 << 8) slots in block map. */ - int block_bits = 8; - int cursor = 0; - int index = 0; - if (addon->block_bits != -1) return; - while (((addon->total_size - 1) >> block_bits) != 0) block_bits++; - block_bits -= 8; - addon->block_bits = block_bits; - while (cursor < addon->total_size) { - while (addon->chunk_offsets[index + 1] < cursor) index++; - addon->block_map[cursor >> block_bits] = (uint8_t)index; - cursor += 1 << block_bits; - } -} - -static BROTLI_BOOL InitializeCompoundDictionaryCopy(BrotliDecoderState* s, - int address, int length) { - BrotliDecoderCompoundDictionary* addon = s->compound_dictionary; - int index; - EnsureCoumpoundDictionaryInitialized(s); - index = addon->block_map[address >> addon->block_bits]; - while (address >= addon->chunk_offsets[index + 1]) index++; - if (addon->total_size < address + length) return BROTLI_FALSE; - /* Update the recent distances cache. */ - s->dist_rb[s->dist_rb_idx & 3] = s->distance_code; - ++s->dist_rb_idx; - s->meta_block_remaining_len -= length; - addon->br_index = index; - addon->br_offset = address - addon->chunk_offsets[index]; - addon->br_length = length; - addon->br_copied = 0; - return BROTLI_TRUE; -} - -static int GetCompoundDictionarySize(BrotliDecoderState* s) { - return s->compound_dictionary ? s->compound_dictionary->total_size : 0; -} - -static int CopyFromCompoundDictionary(BrotliDecoderState* s, int pos) { - BrotliDecoderCompoundDictionary* addon = s->compound_dictionary; - int orig_pos = pos; - while (addon->br_length != addon->br_copied) { - uint8_t* copy_dst = &s->ringbuffer[pos]; - const uint8_t* copy_src = - addon->chunks[addon->br_index] + addon->br_offset; - int space = s->ringbuffer_size - pos; - int rem_chunk_length = (addon->chunk_offsets[addon->br_index + 1] - - addon->chunk_offsets[addon->br_index]) - addon->br_offset; - int length = addon->br_length - addon->br_copied; - if (length > rem_chunk_length) length = rem_chunk_length; - if (length > space) length = space; - memcpy(copy_dst, copy_src, (size_t)length); - pos += length; - addon->br_offset += length; - addon->br_copied += length; - if (length == rem_chunk_length) { - addon->br_index++; - addon->br_offset = 0; - } - if (pos == s->ringbuffer_size) break; - } - return pos - orig_pos; -} - -BROTLI_BOOL BrotliDecoderAttachDictionary( - BrotliDecoderState* state, BrotliSharedDictionaryType type, - size_t data_size, const uint8_t data[BROTLI_ARRAY_PARAM(data_size)]) { - brotli_reg_t i; - brotli_reg_t num_prefix_before = state->dictionary->num_prefix; - if (state->state != BROTLI_STATE_UNINITED) return BROTLI_FALSE; - if (!BrotliSharedDictionaryAttach(state->dictionary, type, data_size, data)) { - return BROTLI_FALSE; - } - for (i = num_prefix_before; i < state->dictionary->num_prefix; i++) { - if (!AttachCompoundDictionary( - state, state->dictionary->prefix[i], - state->dictionary->prefix_size[i])) { - return BROTLI_FALSE; - } - } - return BROTLI_TRUE; -} - -/* Calculates the smallest feasible ring buffer. - - If we know the data size is small, do not allocate more ring buffer - size than needed to reduce memory usage. - - When this method is called, metablock size and flags MUST be decoded. */ -static void BROTLI_NOINLINE BrotliCalculateRingBufferSize( - BrotliDecoderState* s) { - int window_size = 1 << s->window_bits; - int new_ringbuffer_size = window_size; - /* We need at least 2 bytes of ring buffer size to get the last two - bytes for context from there */ - int min_size = s->ringbuffer_size ? s->ringbuffer_size : 1024; - int output_size; - - /* If maximum is already reached, no further extension is retired. */ - if (s->ringbuffer_size == window_size) { - return; - } - - /* Metadata blocks does not touch ring buffer. */ - if (s->is_metadata) { - return; - } - - if (!s->ringbuffer) { - output_size = 0; - } else { - output_size = s->pos; - } - output_size += s->meta_block_remaining_len; - min_size = min_size < output_size ? output_size : min_size; - - if (!!s->canny_ringbuffer_allocation) { - /* Reduce ring buffer size to save memory when server is unscrupulous. - In worst case memory usage might be 1.5x bigger for a short period of - ring buffer reallocation. */ - while ((new_ringbuffer_size >> 1) >= min_size) { - new_ringbuffer_size >>= 1; - } - } - - s->new_ringbuffer_size = new_ringbuffer_size; -} - -/* Reads 1..256 2-bit context modes. */ -static BrotliDecoderErrorCode ReadContextModes(BrotliDecoderState* s) { - BrotliBitReader* br = &s->br; - int i = s->loop_counter; - - while (i < (int)s->num_block_types[0]) { - brotli_reg_t bits; - if (!BrotliSafeReadBits(br, 2, &bits)) { - s->loop_counter = i; - return BROTLI_DECODER_NEEDS_MORE_INPUT; - } - s->context_modes[i] = (uint8_t)bits; - BROTLI_LOG_ARRAY_INDEX(s->context_modes, i); - i++; - } - return BROTLI_DECODER_SUCCESS; -} - -static BROTLI_INLINE void TakeDistanceFromRingBuffer(BrotliDecoderState* s) { - int offset = s->distance_code - 3; - if (s->distance_code <= 3) { - /* Compensate double distance-ring-buffer roll for dictionary items. */ - s->distance_context = 1 >> s->distance_code; - s->distance_code = s->dist_rb[(s->dist_rb_idx - offset) & 3]; - s->dist_rb_idx -= s->distance_context; - } else { - int index_delta = 3; - int delta; - int base = s->distance_code - 10; - if (s->distance_code < 10) { - base = s->distance_code - 4; - } else { - index_delta = 2; - } - /* Unpack one of six 4-bit values. */ - delta = ((0x605142 >> (4 * base)) & 0xF) - 3; - s->distance_code = s->dist_rb[(s->dist_rb_idx + index_delta) & 0x3] + delta; - if (s->distance_code <= 0) { - /* A huge distance will cause a BROTLI_FAILURE() soon. - This is a little faster than failing here. */ - s->distance_code = 0x7FFFFFFF; - } - } -} - -static BROTLI_INLINE BROTLI_BOOL SafeReadBits( - BrotliBitReader* const br, brotli_reg_t n_bits, brotli_reg_t* val) { - if (n_bits != 0) { - return BrotliSafeReadBits(br, n_bits, val); - } else { - *val = 0; - return BROTLI_TRUE; - } -} - -static BROTLI_INLINE BROTLI_BOOL SafeReadBits32( - BrotliBitReader* const br, brotli_reg_t n_bits, brotli_reg_t* val) { - if (n_bits != 0) { - return BrotliSafeReadBits32(br, n_bits, val); - } else { - *val = 0; - return BROTLI_TRUE; - } -} - -/* - RFC 7932 Section 4 with "..." shortenings and "[]" emendations. - - Each distance ... is represented with a pair ... - The distance code is encoded using a prefix code... The number of extra bits - can be 0..24... Two additional parameters: NPOSTFIX (0..3), and ... - NDIRECT (0..120) ... are encoded in the meta-block header... - - The first 16 distance symbols ... reference past distances... ring buffer ... - Next NDIRECT distance symbols ... represent distances from 1 to NDIRECT... - [For] distance symbols 16 + NDIRECT and greater ... the number of extra bits - ... is given by the following formula: - - [ xcode = dcode - NDIRECT - 16 ] - ndistbits = 1 + [ xcode ] >> (NPOSTFIX + 1) - - ... -*/ - -/* - RFC 7932 Section 9.2 with "..." shortenings and "[]" emendations. - - ... to get the actual value of the parameter NDIRECT, left-shift this - four-bit number by NPOSTFIX bits ... -*/ - -/* Remaining formulas from RFC 7932 Section 4 could be rewritten as following: - - alphabet_size = 16 + NDIRECT + (max_distbits << (NPOSTFIX + 1)) - - half = ((xcode >> NPOSTFIX) & 1) << ndistbits - postfix = xcode & ((1 << NPOSTFIX) - 1) - range_start = 2 * (1 << ndistbits - 1 - 1) - - distance = (range_start + half + extra) << NPOSTFIX + postfix + NDIRECT + 1 - - NB: ndistbits >= 1 -> range_start >= 0 - NB: range_start has factor 2, as the range is covered by 2 "halves" - NB: extra -1 offset in range_start formula covers the absence of - ndistbits = 0 case - NB: when NPOSTFIX = 0, NDIRECT is not greater than 15 - - In other words, xcode has the following binary structure - XXXHPPP: - - XXX represent the number of extra distance bits - - H selects upper / lower range of distances - - PPP represent "postfix" - - "Regular" distance encoding has NPOSTFIX = 0; omitting the postfix part - simplifies distance calculation. - - Using NPOSTFIX > 0 allows cheaper encoding of regular structures, e.g. where - most of distances have the same reminder of division by 2/4/8. For example, - the table of int32_t values that come from different sources; if it is likely - that 3 highest bytes of values from the same source are the same, then - copy distance often looks like 4x + y. - - Distance calculation could be rewritten to: - - ndistbits = NDISTBITS(NDIRECT, NPOSTFIX)[dcode] - distance = OFFSET(NDIRECT, NPOSTFIX)[dcode] + extra << NPOSTFIX - - NDISTBITS and OFFSET could be pre-calculated, as NDIRECT and NPOSTFIX could - change only once per meta-block. -*/ - -/* Calculates distance lookup table. - NB: it is possible to have all 64 tables precalculated. */ -static void CalculateDistanceLut(BrotliDecoderState* s) { - BrotliMetablockBodyArena* b = &s->arena.body; - brotli_reg_t npostfix = s->distance_postfix_bits; - brotli_reg_t ndirect = s->num_direct_distance_codes; - brotli_reg_t alphabet_size_limit = s->distance_hgroup.alphabet_size_limit; - brotli_reg_t postfix = 1u << npostfix; - brotli_reg_t j; - brotli_reg_t bits = 1; - brotli_reg_t half = 0; - - /* Skip short codes. */ - brotli_reg_t i = BROTLI_NUM_DISTANCE_SHORT_CODES; - - /* Fill direct codes. */ - for (j = 0; j < ndirect; ++j) { - b->dist_extra_bits[i] = 0; - b->dist_offset[i] = j + 1; - ++i; - } - - /* Fill regular distance codes. */ - while (i < alphabet_size_limit) { - brotli_reg_t base = ndirect + ((((2 + half) << bits) - 4) << npostfix) + 1; - /* Always fill the complete group. */ - for (j = 0; j < postfix; ++j) { - b->dist_extra_bits[i] = (uint8_t)bits; - b->dist_offset[i] = base + j; - ++i; - } - bits = bits + half; - half = half ^ 1; - } -} - -/* Precondition: s->distance_code < 0. */ -static BROTLI_INLINE BROTLI_BOOL ReadDistanceInternal( - int safe, BrotliDecoderState* s, BrotliBitReader* br) { - BrotliMetablockBodyArena* b = &s->arena.body; - brotli_reg_t code; - brotli_reg_t bits; - BrotliBitReaderState memento; - HuffmanCode* distance_tree = s->distance_hgroup.htrees[s->dist_htree_index]; - if (!safe) { - code = ReadSymbol(distance_tree, br); - } else { - BrotliBitReaderSaveState(br, &memento); - if (!SafeReadSymbol(distance_tree, br, &code)) { - return BROTLI_FALSE; - } - } - --s->block_length[2]; - /* Convert the distance code to the actual distance by possibly - looking up past distances from the s->dist_rb. */ - s->distance_context = 0; - if ((code & ~0xFu) == 0) { - s->distance_code = (int)code; - TakeDistanceFromRingBuffer(s); - return BROTLI_TRUE; - } - if (!safe) { - bits = BrotliReadBits32(br, b->dist_extra_bits[code]); - } else { - if (!SafeReadBits32(br, b->dist_extra_bits[code], &bits)) { - ++s->block_length[2]; - BrotliBitReaderRestoreState(br, &memento); - return BROTLI_FALSE; - } - } - s->distance_code = - (int)(b->dist_offset[code] + (bits << s->distance_postfix_bits)); - return BROTLI_TRUE; -} - -static BROTLI_INLINE void ReadDistance( - BrotliDecoderState* s, BrotliBitReader* br) { - ReadDistanceInternal(0, s, br); -} - -static BROTLI_INLINE BROTLI_BOOL SafeReadDistance( - BrotliDecoderState* s, BrotliBitReader* br) { - return ReadDistanceInternal(1, s, br); -} - -static BROTLI_INLINE BROTLI_BOOL ReadCommandInternal( - int safe, BrotliDecoderState* s, BrotliBitReader* br, int* insert_length) { - brotli_reg_t cmd_code; - brotli_reg_t insert_len_extra = 0; - brotli_reg_t copy_length; - CmdLutElement v; - BrotliBitReaderState memento; - if (!safe) { - cmd_code = ReadSymbol(s->htree_command, br); - } else { - BrotliBitReaderSaveState(br, &memento); - if (!SafeReadSymbol(s->htree_command, br, &cmd_code)) { - return BROTLI_FALSE; - } - } - v = kCmdLut[cmd_code]; - s->distance_code = v.distance_code; - s->distance_context = v.context; - s->dist_htree_index = s->dist_context_map_slice[s->distance_context]; - *insert_length = v.insert_len_offset; - if (!safe) { - if (BROTLI_PREDICT_FALSE(v.insert_len_extra_bits != 0)) { - insert_len_extra = BrotliReadBits24(br, v.insert_len_extra_bits); - } - copy_length = BrotliReadBits24(br, v.copy_len_extra_bits); - } else { - if (!SafeReadBits(br, v.insert_len_extra_bits, &insert_len_extra) || - !SafeReadBits(br, v.copy_len_extra_bits, ©_length)) { - BrotliBitReaderRestoreState(br, &memento); - return BROTLI_FALSE; - } - } - s->copy_length = (int)copy_length + v.copy_len_offset; - --s->block_length[1]; - *insert_length += (int)insert_len_extra; - return BROTLI_TRUE; -} - -static BROTLI_INLINE void ReadCommand( - BrotliDecoderState* s, BrotliBitReader* br, int* insert_length) { - ReadCommandInternal(0, s, br, insert_length); -} - -static BROTLI_INLINE BROTLI_BOOL SafeReadCommand( - BrotliDecoderState* s, BrotliBitReader* br, int* insert_length) { - return ReadCommandInternal(1, s, br, insert_length); -} - -static BROTLI_INLINE BROTLI_BOOL CheckInputAmount( - int safe, BrotliBitReader* const br) { - if (safe) { - return BROTLI_TRUE; - } - return BrotliCheckInputAmount(br); -} - -#define BROTLI_SAFE(METHOD) \ - { \ - if (safe) { \ - if (!Safe##METHOD) { \ - result = BROTLI_DECODER_NEEDS_MORE_INPUT; \ - goto saveStateAndReturn; \ - } \ - } else { \ - METHOD; \ - } \ - } - -static BROTLI_INLINE BrotliDecoderErrorCode ProcessCommandsInternal( - int safe, BrotliDecoderState* s) { - int pos = s->pos; - int i = s->loop_counter; - BrotliDecoderErrorCode result = BROTLI_DECODER_SUCCESS; - BrotliBitReader* br = &s->br; - int compound_dictionary_size = GetCompoundDictionarySize(s); - - if (!CheckInputAmount(safe, br)) { - result = BROTLI_DECODER_NEEDS_MORE_INPUT; - goto saveStateAndReturn; - } - if (!safe) { - BROTLI_UNUSED(BrotliWarmupBitReader(br)); - } - - /* Jump into state machine. */ - if (s->state == BROTLI_STATE_COMMAND_BEGIN) { - goto CommandBegin; - } else if (s->state == BROTLI_STATE_COMMAND_INNER) { - goto CommandInner; - } else if (s->state == BROTLI_STATE_COMMAND_POST_DECODE_LITERALS) { - goto CommandPostDecodeLiterals; - } else if (s->state == BROTLI_STATE_COMMAND_POST_WRAP_COPY) { - goto CommandPostWrapCopy; - } else { - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_UNREACHABLE); /* COV_NF_LINE */ - } - -CommandBegin: - if (safe) { - s->state = BROTLI_STATE_COMMAND_BEGIN; - } - if (!CheckInputAmount(safe, br)) { - s->state = BROTLI_STATE_COMMAND_BEGIN; - result = BROTLI_DECODER_NEEDS_MORE_INPUT; - goto saveStateAndReturn; - } - if (BROTLI_PREDICT_FALSE(s->block_length[1] == 0)) { - BROTLI_SAFE(DecodeCommandBlockSwitch(s)); - goto CommandBegin; - } - /* Read the insert/copy length in the command. */ - BROTLI_SAFE(ReadCommand(s, br, &i)); - BROTLI_LOG(("[ProcessCommandsInternal] pos = %d insert = %d copy = %d\n", - pos, i, s->copy_length)); - if (i == 0) { - goto CommandPostDecodeLiterals; - } - s->meta_block_remaining_len -= i; - -CommandInner: - if (safe) { - s->state = BROTLI_STATE_COMMAND_INNER; - } - /* Read the literals in the command. */ - if (s->trivial_literal_context) { - brotli_reg_t bits; - brotli_reg_t value; - PreloadSymbol(safe, s->literal_htree, br, &bits, &value); - do { - if (!CheckInputAmount(safe, br)) { - s->state = BROTLI_STATE_COMMAND_INNER; - result = BROTLI_DECODER_NEEDS_MORE_INPUT; - goto saveStateAndReturn; - } - if (BROTLI_PREDICT_FALSE(s->block_length[0] == 0)) { - goto NextLiteralBlock; - } - if (!safe) { - s->ringbuffer[pos] = - (uint8_t)ReadPreloadedSymbol(s->literal_htree, br, &bits, &value); - } else { - brotli_reg_t literal; - if (!SafeReadSymbol(s->literal_htree, br, &literal)) { - result = BROTLI_DECODER_NEEDS_MORE_INPUT; - goto saveStateAndReturn; - } - s->ringbuffer[pos] = (uint8_t)literal; - } - --s->block_length[0]; - BROTLI_LOG_ARRAY_INDEX(s->ringbuffer, pos); - ++pos; - if (BROTLI_PREDICT_FALSE(pos == s->ringbuffer_size)) { - s->state = BROTLI_STATE_COMMAND_INNER_WRITE; - --i; - goto saveStateAndReturn; - } - } while (--i != 0); - } else { - uint8_t p1 = s->ringbuffer[(pos - 1) & s->ringbuffer_mask]; - uint8_t p2 = s->ringbuffer[(pos - 2) & s->ringbuffer_mask]; - do { - const HuffmanCode* hc; - uint8_t context; - if (!CheckInputAmount(safe, br)) { - s->state = BROTLI_STATE_COMMAND_INNER; - result = BROTLI_DECODER_NEEDS_MORE_INPUT; - goto saveStateAndReturn; - } - if (BROTLI_PREDICT_FALSE(s->block_length[0] == 0)) { - goto NextLiteralBlock; - } - context = BROTLI_CONTEXT(p1, p2, s->context_lookup); - BROTLI_LOG_UINT(context); - hc = s->literal_hgroup.htrees[s->context_map_slice[context]]; - p2 = p1; - if (!safe) { - p1 = (uint8_t)ReadSymbol(hc, br); - } else { - brotli_reg_t literal; - if (!SafeReadSymbol(hc, br, &literal)) { - result = BROTLI_DECODER_NEEDS_MORE_INPUT; - goto saveStateAndReturn; - } - p1 = (uint8_t)literal; - } - s->ringbuffer[pos] = p1; - --s->block_length[0]; - BROTLI_LOG_UINT(s->context_map_slice[context]); - BROTLI_LOG_ARRAY_INDEX(s->ringbuffer, pos & s->ringbuffer_mask); - ++pos; - if (BROTLI_PREDICT_FALSE(pos == s->ringbuffer_size)) { - s->state = BROTLI_STATE_COMMAND_INNER_WRITE; - --i; - goto saveStateAndReturn; - } - } while (--i != 0); - } - BROTLI_LOG_UINT(s->meta_block_remaining_len); - if (BROTLI_PREDICT_FALSE(s->meta_block_remaining_len <= 0)) { - s->state = BROTLI_STATE_METABLOCK_DONE; - goto saveStateAndReturn; - } - -CommandPostDecodeLiterals: - if (safe) { - s->state = BROTLI_STATE_COMMAND_POST_DECODE_LITERALS; - } - if (s->distance_code >= 0) { - /* Implicit distance case. */ - s->distance_context = s->distance_code ? 0 : 1; - --s->dist_rb_idx; - s->distance_code = s->dist_rb[s->dist_rb_idx & 3]; - } else { - /* Read distance code in the command, unless it was implicitly zero. */ - if (BROTLI_PREDICT_FALSE(s->block_length[2] == 0)) { - BROTLI_SAFE(DecodeDistanceBlockSwitch(s)); - } - BROTLI_SAFE(ReadDistance(s, br)); - } - BROTLI_LOG(("[ProcessCommandsInternal] pos = %d distance = %d\n", - pos, s->distance_code)); - if (s->max_distance != s->max_backward_distance) { - s->max_distance = - (pos < s->max_backward_distance) ? pos : s->max_backward_distance; - } - i = s->copy_length; - /* Apply copy of LZ77 back-reference, or static dictionary reference if - the distance is larger than the max LZ77 distance */ - if (s->distance_code > s->max_distance) { - /* The maximum allowed distance is BROTLI_MAX_ALLOWED_DISTANCE = 0x7FFFFFFC. - With this choice, no signed overflow can occur after decoding - a special distance code (e.g., after adding 3 to the last distance). */ - if (s->distance_code > BROTLI_MAX_ALLOWED_DISTANCE) { - BROTLI_LOG(("Invalid backward reference. pos: %d distance: %d " - "len: %d bytes left: %d\n", - pos, s->distance_code, i, s->meta_block_remaining_len)); - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_DISTANCE); - } - if (s->distance_code - s->max_distance - 1 < compound_dictionary_size) { - int address = compound_dictionary_size - - (s->distance_code - s->max_distance); - if (!InitializeCompoundDictionaryCopy(s, address, i)) { - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_COMPOUND_DICTIONARY); - } - pos += CopyFromCompoundDictionary(s, pos); - if (pos >= s->ringbuffer_size) { - s->state = BROTLI_STATE_COMMAND_POST_WRITE_1; - goto saveStateAndReturn; - } - } else if (i >= SHARED_BROTLI_MIN_DICTIONARY_WORD_LENGTH && - i <= SHARED_BROTLI_MAX_DICTIONARY_WORD_LENGTH) { - uint8_t p1 = s->ringbuffer[(pos - 1) & s->ringbuffer_mask]; - uint8_t p2 = s->ringbuffer[(pos - 2) & s->ringbuffer_mask]; - uint8_t dict_id = s->dictionary->context_based ? - s->dictionary->context_map[BROTLI_CONTEXT(p1, p2, s->context_lookup)] - : 0; - const BrotliDictionary* words = s->dictionary->words[dict_id]; - const BrotliTransforms* transforms = s->dictionary->transforms[dict_id]; - int offset = (int)words->offsets_by_length[i]; - brotli_reg_t shift = words->size_bits_by_length[i]; - int address = - s->distance_code - s->max_distance - 1 - compound_dictionary_size; - int mask = (int)BitMask(shift); - int word_idx = address & mask; - int transform_idx = address >> shift; - /* Compensate double distance-ring-buffer roll. */ - s->dist_rb_idx += s->distance_context; - offset += word_idx * i; - /* If the distance is out of bound, select a next static dictionary if - there exist multiple. */ - if ((transform_idx >= (int)transforms->num_transforms || - words->size_bits_by_length[i] == 0) && - s->dictionary->num_dictionaries > 1) { - uint8_t dict_id2; - int dist_remaining = address - - (int)(((1u << shift) & ~1u)) * (int)transforms->num_transforms; - for (dict_id2 = 0; dict_id2 < s->dictionary->num_dictionaries; - dict_id2++) { - const BrotliDictionary* words2 = s->dictionary->words[dict_id2]; - if (dict_id2 != dict_id && words2->size_bits_by_length[i] != 0) { - const BrotliTransforms* transforms2 = - s->dictionary->transforms[dict_id2]; - brotli_reg_t shift2 = words2->size_bits_by_length[i]; - int num = (int)((1u << shift2) & ~1u) * - (int)transforms2->num_transforms; - if (dist_remaining < num) { - dict_id = dict_id2; - words = words2; - transforms = transforms2; - address = dist_remaining; - shift = shift2; - mask = (int)BitMask(shift); - word_idx = address & mask; - transform_idx = address >> shift; - offset = (int)words->offsets_by_length[i] + word_idx * i; - break; - } - dist_remaining -= num; - } - } - } - if (BROTLI_PREDICT_FALSE(words->size_bits_by_length[i] == 0)) { - BROTLI_LOG(("Invalid backward reference. pos: %d distance: %d " - "len: %d bytes left: %d\n", - pos, s->distance_code, i, s->meta_block_remaining_len)); - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_DICTIONARY); - } - if (BROTLI_PREDICT_FALSE(!words->data)) { - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_DICTIONARY_NOT_SET); - } - if (transform_idx < (int)transforms->num_transforms) { - const uint8_t* word = &words->data[offset]; - int len = i; - if (transform_idx == transforms->cutOffTransforms[0]) { - memcpy(&s->ringbuffer[pos], word, (size_t)len); - BROTLI_LOG(("[ProcessCommandsInternal] dictionary word: [%.*s]\n", - len, word)); - } else { - len = BrotliTransformDictionaryWord(&s->ringbuffer[pos], word, len, - transforms, transform_idx); - BROTLI_LOG(("[ProcessCommandsInternal] dictionary word: [%.*s]," - " transform_idx = %d, transformed: [%.*s]\n", - i, word, transform_idx, len, &s->ringbuffer[pos])); - if (len == 0 && s->distance_code <= 120) { - BROTLI_LOG(("Invalid length-0 dictionary word after transform\n")); - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_TRANSFORM); - } - } - pos += len; - s->meta_block_remaining_len -= len; - if (pos >= s->ringbuffer_size) { - s->state = BROTLI_STATE_COMMAND_POST_WRITE_1; - goto saveStateAndReturn; - } - } else { - BROTLI_LOG(("Invalid backward reference. pos: %d distance: %d " - "len: %d bytes left: %d\n", - pos, s->distance_code, i, s->meta_block_remaining_len)); - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_TRANSFORM); - } - } else { - BROTLI_LOG(("Invalid backward reference. pos: %d distance: %d " - "len: %d bytes left: %d\n", - pos, s->distance_code, i, s->meta_block_remaining_len)); - return BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_DICTIONARY); - } - } else { - int src_start = (pos - s->distance_code) & s->ringbuffer_mask; - uint8_t* copy_dst = &s->ringbuffer[pos]; - uint8_t* copy_src = &s->ringbuffer[src_start]; - int dst_end = pos + i; - int src_end = src_start + i; - /* Update the recent distances cache. */ - s->dist_rb[s->dist_rb_idx & 3] = s->distance_code; - ++s->dist_rb_idx; - s->meta_block_remaining_len -= i; - /* There are 32+ bytes of slack in the ring-buffer allocation. - Also, we have 16 short codes, that make these 16 bytes irrelevant - in the ring-buffer. Let's copy over them as a first guess. */ - memmove16(copy_dst, copy_src); - if (src_end > pos && dst_end > src_start) { - /* Regions intersect. */ - goto CommandPostWrapCopy; - } - if (dst_end >= s->ringbuffer_size || src_end >= s->ringbuffer_size) { - /* At least one region wraps. */ - goto CommandPostWrapCopy; - } - pos += i; - if (i > 16) { - if (i > 32) { - memcpy(copy_dst + 16, copy_src + 16, (size_t)(i - 16)); - } else { - /* This branch covers about 45% cases. - Fixed size short copy allows more compiler optimizations. */ - memmove16(copy_dst + 16, copy_src + 16); - } - } - } - BROTLI_LOG_UINT(s->meta_block_remaining_len); - if (s->meta_block_remaining_len <= 0) { - /* Next metablock, if any. */ - s->state = BROTLI_STATE_METABLOCK_DONE; - goto saveStateAndReturn; - } else { - goto CommandBegin; - } -CommandPostWrapCopy: - { - int wrap_guard = s->ringbuffer_size - pos; - while (--i >= 0) { - s->ringbuffer[pos] = - s->ringbuffer[(pos - s->distance_code) & s->ringbuffer_mask]; - ++pos; - if (BROTLI_PREDICT_FALSE(--wrap_guard == 0)) { - s->state = BROTLI_STATE_COMMAND_POST_WRITE_2; - goto saveStateAndReturn; - } - } - } - if (s->meta_block_remaining_len <= 0) { - /* Next metablock, if any. */ - s->state = BROTLI_STATE_METABLOCK_DONE; - goto saveStateAndReturn; - } else { - goto CommandBegin; - } - -NextLiteralBlock: - BROTLI_SAFE(DecodeLiteralBlockSwitch(s)); - goto CommandInner; - -saveStateAndReturn: - s->pos = pos; - s->loop_counter = i; - return result; -} - -#undef BROTLI_SAFE - -static BROTLI_NOINLINE BrotliDecoderErrorCode ProcessCommands( - BrotliDecoderState* s) { - return ProcessCommandsInternal(0, s); -} - -static BROTLI_NOINLINE BrotliDecoderErrorCode SafeProcessCommands( - BrotliDecoderState* s) { - return ProcessCommandsInternal(1, s); -} - -BrotliDecoderResult BrotliDecoderDecompress( - size_t encoded_size, - const uint8_t encoded_buffer[BROTLI_ARRAY_PARAM(encoded_size)], - size_t* decoded_size, - uint8_t decoded_buffer[BROTLI_ARRAY_PARAM(*decoded_size)]) { - BrotliDecoderState s; - BrotliDecoderResult result; - size_t total_out = 0; - size_t available_in = encoded_size; - const uint8_t* next_in = encoded_buffer; - size_t available_out = *decoded_size; - uint8_t* next_out = decoded_buffer; - if (!BrotliDecoderStateInit(&s, 0, 0, 0)) { - return BROTLI_DECODER_RESULT_ERROR; - } - result = BrotliDecoderDecompressStream( - &s, &available_in, &next_in, &available_out, &next_out, &total_out); - *decoded_size = total_out; - BrotliDecoderStateCleanup(&s); - if (result != BROTLI_DECODER_RESULT_SUCCESS) { - result = BROTLI_DECODER_RESULT_ERROR; - } - return result; -} - -/* Invariant: input stream is never overconsumed: - - invalid input implies that the whole stream is invalid -> any amount of - input could be read and discarded - - when result is "needs more input", then at least one more byte is REQUIRED - to complete decoding; all input data MUST be consumed by decoder, so - client could swap the input buffer - - when result is "needs more output" decoder MUST ensure that it doesn't - hold more than 7 bits in bit reader; this saves client from swapping input - buffer ahead of time - - when result is "success" decoder MUST return all unused data back to input - buffer; this is possible because the invariant is held on enter */ -BrotliDecoderResult BrotliDecoderDecompressStream( - BrotliDecoderState* s, size_t* available_in, const uint8_t** next_in, - size_t* available_out, uint8_t** next_out, size_t* total_out) { - BrotliDecoderErrorCode result = BROTLI_DECODER_SUCCESS; - BrotliBitReader* br = &s->br; - size_t input_size = *available_in; -#define BROTLI_SAVE_ERROR_CODE(code) \ - SaveErrorCode(s, (code), input_size - *available_in) - /* Ensure that |total_out| is set, even if no data will ever be pushed out. */ - if (total_out) { - *total_out = s->partial_pos_out; - } - /* Do not try to process further in a case of unrecoverable error. */ - if ((int)s->error_code < 0) { - return BROTLI_DECODER_RESULT_ERROR; - } - if (*available_out && (!next_out || !*next_out)) { - return BROTLI_SAVE_ERROR_CODE( - BROTLI_FAILURE(BROTLI_DECODER_ERROR_INVALID_ARGUMENTS)); - } - if (!*available_out) next_out = 0; - if (s->buffer_length == 0) { /* Just connect bit reader to input stream. */ - BrotliBitReaderSetInput(br, *next_in, *available_in); - } else { - /* At least one byte of input is required. More than one byte of input may - be required to complete the transaction -> reading more data must be - done in a loop -> do it in a main loop. */ - result = BROTLI_DECODER_NEEDS_MORE_INPUT; - BrotliBitReaderSetInput(br, &s->buffer.u8[0], s->buffer_length); - } - /* State machine */ - for (;;) { - if (result != BROTLI_DECODER_SUCCESS) { - /* Error, needs more input/output. */ - if (result == BROTLI_DECODER_NEEDS_MORE_INPUT) { - if (s->ringbuffer != 0) { /* Pro-actively push output. */ - BrotliDecoderErrorCode intermediate_result = WriteRingBuffer(s, - available_out, next_out, total_out, BROTLI_TRUE); - /* WriteRingBuffer checks s->meta_block_remaining_len validity. */ - if ((int)intermediate_result < 0) { - result = intermediate_result; - break; - } - } - if (s->buffer_length != 0) { /* Used with internal buffer. */ - if (br->next_in == br->last_in) { - /* Successfully finished read transaction. - Accumulator contains less than 8 bits, because internal buffer - is expanded byte-by-byte until it is enough to complete read. */ - s->buffer_length = 0; - /* Switch to input stream and restart. */ - result = BROTLI_DECODER_SUCCESS; - BrotliBitReaderSetInput(br, *next_in, *available_in); - continue; - } else if (*available_in != 0) { - /* Not enough data in buffer, but can take one more byte from - input stream. */ - result = BROTLI_DECODER_SUCCESS; - BROTLI_DCHECK(s->buffer_length < 8); - s->buffer.u8[s->buffer_length] = **next_in; - s->buffer_length++; - BrotliBitReaderSetInput(br, &s->buffer.u8[0], s->buffer_length); - (*next_in)++; - (*available_in)--; - /* Retry with more data in buffer. */ - continue; - } - /* Can't finish reading and no more input. */ - break; - } else { /* Input stream doesn't contain enough input. */ - /* Copy tail to internal buffer and return. */ - *next_in = br->next_in; - *available_in = BrotliBitReaderGetAvailIn(br); - while (*available_in) { - s->buffer.u8[s->buffer_length] = **next_in; - s->buffer_length++; - (*next_in)++; - (*available_in)--; - } - break; - } - /* Unreachable. */ - } - - /* Fail or needs more output. */ - - if (s->buffer_length != 0) { - /* Just consumed the buffered input and produced some output. Otherwise - it would result in "needs more input". Reset internal buffer. */ - s->buffer_length = 0; - } else { - /* Using input stream in last iteration. When decoder switches to input - stream it has less than 8 bits in accumulator, so it is safe to - return unused accumulator bits there. */ - BrotliBitReaderUnload(br); - *available_in = BrotliBitReaderGetAvailIn(br); - *next_in = br->next_in; - } - break; - } - switch (s->state) { - case BROTLI_STATE_UNINITED: - /* Prepare to the first read. */ - if (!BrotliWarmupBitReader(br)) { - result = BROTLI_DECODER_NEEDS_MORE_INPUT; - break; - } - /* Decode window size. */ - result = DecodeWindowBits(s, br); /* Reads 1..8 bits. */ - if (result != BROTLI_DECODER_SUCCESS) { - break; - } - if (s->large_window) { - s->state = BROTLI_STATE_LARGE_WINDOW_BITS; - break; - } - s->state = BROTLI_STATE_INITIALIZE; - break; - - case BROTLI_STATE_LARGE_WINDOW_BITS: { - brotli_reg_t bits; - if (!BrotliSafeReadBits(br, 6, &bits)) { - result = BROTLI_DECODER_NEEDS_MORE_INPUT; - break; - } - s->window_bits = bits & 63u; - if (s->window_bits < BROTLI_LARGE_MIN_WBITS || - s->window_bits > BROTLI_LARGE_MAX_WBITS) { - result = BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_WINDOW_BITS); - break; - } - s->state = BROTLI_STATE_INITIALIZE; - } - /* Fall through. */ - - case BROTLI_STATE_INITIALIZE: - BROTLI_LOG_UINT(s->window_bits); - /* Maximum distance, see section 9.1. of the spec. */ - s->max_backward_distance = (1 << s->window_bits) - BROTLI_WINDOW_GAP; - - /* Allocate memory for both block_type_trees and block_len_trees. */ - s->block_type_trees = (HuffmanCode*)BROTLI_DECODER_ALLOC(s, - sizeof(HuffmanCode) * 3 * - (BROTLI_HUFFMAN_MAX_SIZE_258 + BROTLI_HUFFMAN_MAX_SIZE_26)); - if (s->block_type_trees == 0) { - result = BROTLI_FAILURE(BROTLI_DECODER_ERROR_ALLOC_BLOCK_TYPE_TREES); - break; - } - s->block_len_trees = - s->block_type_trees + 3 * BROTLI_HUFFMAN_MAX_SIZE_258; - - s->state = BROTLI_STATE_METABLOCK_BEGIN; - /* Fall through. */ - - case BROTLI_STATE_METABLOCK_BEGIN: - BrotliDecoderStateMetablockBegin(s); - BROTLI_LOG_UINT(s->pos); - s->state = BROTLI_STATE_METABLOCK_HEADER; - /* Fall through. */ - - case BROTLI_STATE_METABLOCK_HEADER: - result = DecodeMetaBlockLength(s, br); /* Reads 2 - 31 bits. */ - if (result != BROTLI_DECODER_SUCCESS) { - break; - } - BROTLI_LOG_UINT(s->is_last_metablock); - BROTLI_LOG_UINT(s->meta_block_remaining_len); - BROTLI_LOG_UINT(s->is_metadata); - BROTLI_LOG_UINT(s->is_uncompressed); - if (s->is_metadata || s->is_uncompressed) { - if (!BrotliJumpToByteBoundary(br)) { - result = BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_PADDING_1); - break; - } - } - if (s->is_metadata) { - s->state = BROTLI_STATE_METADATA; - if (s->metadata_start_func) { - s->metadata_start_func(s->metadata_callback_opaque, - (size_t)s->meta_block_remaining_len); - } - break; - } - if (s->meta_block_remaining_len == 0) { - s->state = BROTLI_STATE_METABLOCK_DONE; - break; - } - BrotliCalculateRingBufferSize(s); - if (s->is_uncompressed) { - s->state = BROTLI_STATE_UNCOMPRESSED; - break; - } - s->state = BROTLI_STATE_BEFORE_COMPRESSED_METABLOCK_HEADER; - /* Fall through. */ - - case BROTLI_STATE_BEFORE_COMPRESSED_METABLOCK_HEADER: { - BrotliMetablockHeaderArena* h = &s->arena.header; - s->loop_counter = 0; - /* Initialize compressed metablock header arena. */ - h->sub_loop_counter = 0; - /* Make small negative indexes addressable. */ - h->symbol_lists = - &h->symbols_lists_array[BROTLI_HUFFMAN_MAX_CODE_LENGTH + 1]; - h->substate_huffman = BROTLI_STATE_HUFFMAN_NONE; - h->substate_tree_group = BROTLI_STATE_TREE_GROUP_NONE; - h->substate_context_map = BROTLI_STATE_CONTEXT_MAP_NONE; - s->state = BROTLI_STATE_HUFFMAN_CODE_0; - } - /* Fall through. */ - - case BROTLI_STATE_HUFFMAN_CODE_0: - if (s->loop_counter >= 3) { - s->state = BROTLI_STATE_METABLOCK_HEADER_2; - break; - } - /* Reads 1..11 bits. */ - result = DecodeVarLenUint8(s, br, &s->num_block_types[s->loop_counter]); - if (result != BROTLI_DECODER_SUCCESS) { - break; - } - s->num_block_types[s->loop_counter]++; - BROTLI_LOG_UINT(s->num_block_types[s->loop_counter]); - if (s->num_block_types[s->loop_counter] < 2) { - s->loop_counter++; - break; - } - s->state = BROTLI_STATE_HUFFMAN_CODE_1; - /* Fall through. */ - - case BROTLI_STATE_HUFFMAN_CODE_1: { - brotli_reg_t alphabet_size = s->num_block_types[s->loop_counter] + 2; - int tree_offset = s->loop_counter * BROTLI_HUFFMAN_MAX_SIZE_258; - result = ReadHuffmanCode(alphabet_size, alphabet_size, - &s->block_type_trees[tree_offset], NULL, s); - if (result != BROTLI_DECODER_SUCCESS) break; - s->state = BROTLI_STATE_HUFFMAN_CODE_2; - } - /* Fall through. */ - - case BROTLI_STATE_HUFFMAN_CODE_2: { - brotli_reg_t alphabet_size = BROTLI_NUM_BLOCK_LEN_SYMBOLS; - int tree_offset = s->loop_counter * BROTLI_HUFFMAN_MAX_SIZE_26; - result = ReadHuffmanCode(alphabet_size, alphabet_size, - &s->block_len_trees[tree_offset], NULL, s); - if (result != BROTLI_DECODER_SUCCESS) break; - s->state = BROTLI_STATE_HUFFMAN_CODE_3; - } - /* Fall through. */ - - case BROTLI_STATE_HUFFMAN_CODE_3: { - int tree_offset = s->loop_counter * BROTLI_HUFFMAN_MAX_SIZE_26; - if (!SafeReadBlockLength(s, &s->block_length[s->loop_counter], - &s->block_len_trees[tree_offset], br)) { - result = BROTLI_DECODER_NEEDS_MORE_INPUT; - break; - } - BROTLI_LOG_UINT(s->block_length[s->loop_counter]); - s->loop_counter++; - s->state = BROTLI_STATE_HUFFMAN_CODE_0; - break; - } - - case BROTLI_STATE_UNCOMPRESSED: { - result = CopyUncompressedBlockToOutput( - available_out, next_out, total_out, s); - if (result != BROTLI_DECODER_SUCCESS) { - break; - } - s->state = BROTLI_STATE_METABLOCK_DONE; - break; - } - - case BROTLI_STATE_METADATA: - result = SkipMetadataBlock(s); - if (result != BROTLI_DECODER_SUCCESS) { - break; - } - s->state = BROTLI_STATE_METABLOCK_DONE; - break; - - case BROTLI_STATE_METABLOCK_HEADER_2: { - brotli_reg_t bits; - if (!BrotliSafeReadBits(br, 6, &bits)) { - result = BROTLI_DECODER_NEEDS_MORE_INPUT; - break; - } - s->distance_postfix_bits = bits & BitMask(2); - bits >>= 2; - s->num_direct_distance_codes = bits << s->distance_postfix_bits; - BROTLI_LOG_UINT(s->num_direct_distance_codes); - BROTLI_LOG_UINT(s->distance_postfix_bits); - s->context_modes = - (uint8_t*)BROTLI_DECODER_ALLOC(s, (size_t)s->num_block_types[0]); - if (s->context_modes == 0) { - result = BROTLI_FAILURE(BROTLI_DECODER_ERROR_ALLOC_CONTEXT_MODES); - break; - } - s->loop_counter = 0; - s->state = BROTLI_STATE_CONTEXT_MODES; - } - /* Fall through. */ - - case BROTLI_STATE_CONTEXT_MODES: - result = ReadContextModes(s); - if (result != BROTLI_DECODER_SUCCESS) { - break; - } - s->state = BROTLI_STATE_CONTEXT_MAP_1; - /* Fall through. */ - - case BROTLI_STATE_CONTEXT_MAP_1: - result = DecodeContextMap( - s->num_block_types[0] << BROTLI_LITERAL_CONTEXT_BITS, - &s->num_literal_htrees, &s->context_map, s); - if (result != BROTLI_DECODER_SUCCESS) { - break; - } - DetectTrivialLiteralBlockTypes(s); - s->state = BROTLI_STATE_CONTEXT_MAP_2; - /* Fall through. */ - - case BROTLI_STATE_CONTEXT_MAP_2: { - brotli_reg_t npostfix = s->distance_postfix_bits; - brotli_reg_t ndirect = s->num_direct_distance_codes; - brotli_reg_t distance_alphabet_size_max = BROTLI_DISTANCE_ALPHABET_SIZE( - npostfix, ndirect, BROTLI_MAX_DISTANCE_BITS); - brotli_reg_t distance_alphabet_size_limit = distance_alphabet_size_max; - BROTLI_BOOL allocation_success = BROTLI_TRUE; - if (s->large_window) { - BrotliDistanceCodeLimit limit = BrotliCalculateDistanceCodeLimit( - BROTLI_MAX_ALLOWED_DISTANCE, (uint32_t)npostfix, - (uint32_t)ndirect); - distance_alphabet_size_max = BROTLI_DISTANCE_ALPHABET_SIZE( - npostfix, ndirect, BROTLI_LARGE_MAX_DISTANCE_BITS); - distance_alphabet_size_limit = limit.max_alphabet_size; - } - result = DecodeContextMap( - s->num_block_types[2] << BROTLI_DISTANCE_CONTEXT_BITS, - &s->num_dist_htrees, &s->dist_context_map, s); - if (result != BROTLI_DECODER_SUCCESS) { - break; - } - allocation_success &= BrotliDecoderHuffmanTreeGroupInit( - s, &s->literal_hgroup, BROTLI_NUM_LITERAL_SYMBOLS, - BROTLI_NUM_LITERAL_SYMBOLS, s->num_literal_htrees); - allocation_success &= BrotliDecoderHuffmanTreeGroupInit( - s, &s->insert_copy_hgroup, BROTLI_NUM_COMMAND_SYMBOLS, - BROTLI_NUM_COMMAND_SYMBOLS, s->num_block_types[1]); - allocation_success &= BrotliDecoderHuffmanTreeGroupInit( - s, &s->distance_hgroup, distance_alphabet_size_max, - distance_alphabet_size_limit, s->num_dist_htrees); - if (!allocation_success) { - return BROTLI_SAVE_ERROR_CODE( - BROTLI_FAILURE(BROTLI_DECODER_ERROR_ALLOC_TREE_GROUPS)); - } - s->loop_counter = 0; - s->state = BROTLI_STATE_TREE_GROUP; - } - /* Fall through. */ - - case BROTLI_STATE_TREE_GROUP: { - HuffmanTreeGroup* hgroup = NULL; - switch (s->loop_counter) { - case 0: hgroup = &s->literal_hgroup; break; - case 1: hgroup = &s->insert_copy_hgroup; break; - case 2: hgroup = &s->distance_hgroup; break; - default: return BROTLI_SAVE_ERROR_CODE(BROTLI_FAILURE( - BROTLI_DECODER_ERROR_UNREACHABLE)); /* COV_NF_LINE */ - } - result = HuffmanTreeGroupDecode(hgroup, s); - if (result != BROTLI_DECODER_SUCCESS) break; - s->loop_counter++; - if (s->loop_counter < 3) { - break; - } - s->state = BROTLI_STATE_BEFORE_COMPRESSED_METABLOCK_BODY; - } - /* Fall through. */ - - case BROTLI_STATE_BEFORE_COMPRESSED_METABLOCK_BODY: - PrepareLiteralDecoding(s); - s->dist_context_map_slice = s->dist_context_map; - s->htree_command = s->insert_copy_hgroup.htrees[0]; - if (!BrotliEnsureRingBuffer(s)) { - result = BROTLI_FAILURE(BROTLI_DECODER_ERROR_ALLOC_RING_BUFFER_2); - break; - } - CalculateDistanceLut(s); - s->state = BROTLI_STATE_COMMAND_BEGIN; - /* Fall through. */ - - case BROTLI_STATE_COMMAND_BEGIN: - /* Fall through. */ - case BROTLI_STATE_COMMAND_INNER: - /* Fall through. */ - case BROTLI_STATE_COMMAND_POST_DECODE_LITERALS: - /* Fall through. */ - case BROTLI_STATE_COMMAND_POST_WRAP_COPY: - result = ProcessCommands(s); - if (result == BROTLI_DECODER_NEEDS_MORE_INPUT) { - result = SafeProcessCommands(s); - } - break; - - case BROTLI_STATE_COMMAND_INNER_WRITE: - /* Fall through. */ - case BROTLI_STATE_COMMAND_POST_WRITE_1: - /* Fall through. */ - case BROTLI_STATE_COMMAND_POST_WRITE_2: - result = WriteRingBuffer( - s, available_out, next_out, total_out, BROTLI_FALSE); - if (result != BROTLI_DECODER_SUCCESS) { - break; - } - WrapRingBuffer(s); - if (s->ringbuffer_size == 1 << s->window_bits) { - s->max_distance = s->max_backward_distance; - } - if (s->state == BROTLI_STATE_COMMAND_POST_WRITE_1) { - BrotliDecoderCompoundDictionary* addon = s->compound_dictionary; - if (addon && (addon->br_length != addon->br_copied)) { - s->pos += CopyFromCompoundDictionary(s, s->pos); - if (s->pos >= s->ringbuffer_size) continue; - } - if (s->meta_block_remaining_len == 0) { - /* Next metablock, if any. */ - s->state = BROTLI_STATE_METABLOCK_DONE; - } else { - s->state = BROTLI_STATE_COMMAND_BEGIN; - } - break; - } else if (s->state == BROTLI_STATE_COMMAND_POST_WRITE_2) { - s->state = BROTLI_STATE_COMMAND_POST_WRAP_COPY; - } else { /* BROTLI_STATE_COMMAND_INNER_WRITE */ - if (s->loop_counter == 0) { - if (s->meta_block_remaining_len == 0) { - s->state = BROTLI_STATE_METABLOCK_DONE; - } else { - s->state = BROTLI_STATE_COMMAND_POST_DECODE_LITERALS; - } - break; - } - s->state = BROTLI_STATE_COMMAND_INNER; - } - break; - - case BROTLI_STATE_METABLOCK_DONE: - if (s->meta_block_remaining_len < 0) { - result = BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_BLOCK_LENGTH_2); - break; - } - BrotliDecoderStateCleanupAfterMetablock(s); - if (!s->is_last_metablock) { - s->state = BROTLI_STATE_METABLOCK_BEGIN; - break; - } - if (!BrotliJumpToByteBoundary(br)) { - result = BROTLI_FAILURE(BROTLI_DECODER_ERROR_FORMAT_PADDING_2); - break; - } - if (s->buffer_length == 0) { - BrotliBitReaderUnload(br); - *available_in = BrotliBitReaderGetAvailIn(br); - *next_in = br->next_in; - } - s->state = BROTLI_STATE_DONE; - /* Fall through. */ - - case BROTLI_STATE_DONE: - if (s->ringbuffer != 0) { - result = WriteRingBuffer( - s, available_out, next_out, total_out, BROTLI_TRUE); - if (result != BROTLI_DECODER_SUCCESS) { - break; - } - } - return BROTLI_SAVE_ERROR_CODE(result); - } - } - return BROTLI_SAVE_ERROR_CODE(result); -#undef BROTLI_SAVE_ERROR_CODE -} - -BROTLI_BOOL BrotliDecoderHasMoreOutput(const BrotliDecoderState* s) { - /* After unrecoverable error remaining output is considered nonsensical. */ - if ((int)s->error_code < 0) { - return BROTLI_FALSE; - } - return TO_BROTLI_BOOL( - s->ringbuffer != 0 && UnwrittenBytes(s, BROTLI_FALSE) != 0); -} - -const uint8_t* BrotliDecoderTakeOutput(BrotliDecoderState* s, size_t* size) { - uint8_t* result = 0; - size_t available_out = *size ? *size : 1u << 24; - size_t requested_out = available_out; - BrotliDecoderErrorCode status; - if ((s->ringbuffer == 0) || ((int)s->error_code < 0)) { - *size = 0; - return 0; - } - WrapRingBuffer(s); - status = WriteRingBuffer(s, &available_out, &result, 0, BROTLI_TRUE); - /* Either WriteRingBuffer returns those "success" codes... */ - if (status == BROTLI_DECODER_SUCCESS || - status == BROTLI_DECODER_NEEDS_MORE_OUTPUT) { - *size = requested_out - available_out; - } else { - /* ... or stream is broken. Normally this should be caught by - BrotliDecoderDecompressStream, this is just a safeguard. */ - if ((int)status < 0) SaveErrorCode(s, status, 0); - *size = 0; - result = 0; - } - return result; -} - -BROTLI_BOOL BrotliDecoderIsUsed(const BrotliDecoderState* s) { - return TO_BROTLI_BOOL(s->state != BROTLI_STATE_UNINITED || - BrotliGetAvailableBits(&s->br) != 0); -} - -BROTLI_BOOL BrotliDecoderIsFinished(const BrotliDecoderState* s) { - return TO_BROTLI_BOOL(s->state == BROTLI_STATE_DONE) && - !BrotliDecoderHasMoreOutput(s); -} - -BrotliDecoderErrorCode BrotliDecoderGetErrorCode(const BrotliDecoderState* s) { - return (BrotliDecoderErrorCode)s->error_code; -} - -const char* BrotliDecoderErrorString(BrotliDecoderErrorCode c) { - switch (c) { -#define BROTLI_ERROR_CODE_CASE_(PREFIX, NAME, CODE) \ - case BROTLI_DECODER ## PREFIX ## NAME: return #PREFIX #NAME; -#define BROTLI_NOTHING_ - BROTLI_DECODER_ERROR_CODES_LIST(BROTLI_ERROR_CODE_CASE_, BROTLI_NOTHING_) -#undef BROTLI_ERROR_CODE_CASE_ -#undef BROTLI_NOTHING_ - default: return "INVALID"; - } -} - -uint32_t BrotliDecoderVersion(void) { - return BROTLI_VERSION; -} - -void BrotliDecoderSetMetadataCallbacks( - BrotliDecoderState* state, - brotli_decoder_metadata_start_func start_func, - brotli_decoder_metadata_chunk_func chunk_func, void* opaque) { - state->metadata_start_func = start_func; - state->metadata_chunk_func = chunk_func; - state->metadata_callback_opaque = opaque; -} - -/* Escalate internal functions visibility; for testing purposes only. */ -#if defined(BROTLI_TEST) -BROTLI_BOOL SafeReadSymbolForTest( - const HuffmanCode*, BrotliBitReader*, brotli_reg_t*); -BROTLI_BOOL SafeReadSymbolForTest( - const HuffmanCode* table, BrotliBitReader* br, brotli_reg_t* result) { - return SafeReadSymbol(table, br, result); -} - -void InverseMoveToFrontTransformForTest( - uint8_t*, brotli_reg_t, BrotliDecoderState*); -void InverseMoveToFrontTransformForTest( - uint8_t* v, brotli_reg_t l, BrotliDecoderState* s) { - InverseMoveToFrontTransform(v, l, s); -} -#endif - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/dec/huffman.c b/src/deps/brotli/dec/huffman.c deleted file mode 100644 index 3806454864..0000000000 --- a/src/deps/brotli/dec/huffman.c +++ /dev/null @@ -1,342 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Utilities for building Huffman decoding tables. */ - -#include "huffman.h" - -#include /* memcpy, memset */ - -#include - -#include "../common/constants.h" -#include "../common/platform.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define BROTLI_REVERSE_BITS_MAX 8 - -#if defined(BROTLI_RBIT) -#define BROTLI_REVERSE_BITS_BASE \ - ((sizeof(brotli_reg_t) << 3) - BROTLI_REVERSE_BITS_MAX) -#else -#define BROTLI_REVERSE_BITS_BASE 0 -static uint8_t kReverseBits[1 << BROTLI_REVERSE_BITS_MAX] = { - 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, - 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0, - 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, - 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8, - 0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, - 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4, - 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, - 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC, - 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, - 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2, - 0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA, - 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA, - 0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, - 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6, - 0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE, - 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE, - 0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1, - 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1, - 0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, - 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9, - 0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5, - 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5, - 0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED, - 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD, - 0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, - 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3, - 0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB, - 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB, - 0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7, - 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7, - 0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF, - 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF -}; -#endif /* BROTLI_RBIT */ - -#define BROTLI_REVERSE_BITS_LOWEST \ - ((brotli_reg_t)1 << (BROTLI_REVERSE_BITS_MAX - 1 + BROTLI_REVERSE_BITS_BASE)) - -/* Returns reverse(num >> BROTLI_REVERSE_BITS_BASE, BROTLI_REVERSE_BITS_MAX), - where reverse(value, len) is the bit-wise reversal of the len least - significant bits of value. */ -static BROTLI_INLINE brotli_reg_t BrotliReverseBits(brotli_reg_t num) { -#if defined(BROTLI_RBIT) - return BROTLI_RBIT(num); -#else - return kReverseBits[num]; -#endif -} - -/* Stores code in table[0], table[step], table[2*step], ..., table[end] */ -/* Assumes that end is an integer multiple of step */ -static BROTLI_INLINE void ReplicateValue(HuffmanCode* table, - int step, int end, - HuffmanCode code) { - do { - end -= step; - table[end] = code; - } while (end > 0); -} - -/* Returns the table width of the next 2nd level table. |count| is the histogram - of bit lengths for the remaining symbols, |len| is the code length of the - next processed symbol. */ -static BROTLI_INLINE int NextTableBitSize(const uint16_t* const count, - int len, int root_bits) { - int left = 1 << (len - root_bits); - while (len < BROTLI_HUFFMAN_MAX_CODE_LENGTH) { - left -= count[len]; - if (left <= 0) break; - ++len; - left <<= 1; - } - return len - root_bits; -} - -void BrotliBuildCodeLengthsHuffmanTable(HuffmanCode* table, - const uint8_t* const code_lengths, - uint16_t* count) { - HuffmanCode code; /* current table entry */ - int symbol; /* symbol index in original or sorted table */ - brotli_reg_t key; /* prefix code */ - brotli_reg_t key_step; /* prefix code addend */ - int step; /* step size to replicate values in current table */ - int table_size; /* size of current table */ - int sorted[BROTLI_CODE_LENGTH_CODES]; /* symbols sorted by code length */ - /* offsets in sorted table for each length */ - int offset[BROTLI_HUFFMAN_MAX_CODE_LENGTH_CODE_LENGTH + 1]; - int bits; - int bits_count; - BROTLI_DCHECK(BROTLI_HUFFMAN_MAX_CODE_LENGTH_CODE_LENGTH <= - BROTLI_REVERSE_BITS_MAX); - BROTLI_DCHECK(BROTLI_HUFFMAN_MAX_CODE_LENGTH_CODE_LENGTH == 5); - - /* Generate offsets into sorted symbol table by code length. */ - symbol = -1; - bits = 1; - /* BROTLI_HUFFMAN_MAX_CODE_LENGTH_CODE_LENGTH == 5 */ - BROTLI_REPEAT_5({ - symbol += count[bits]; - offset[bits] = symbol; - bits++; - }); - /* Symbols with code length 0 are placed after all other symbols. */ - offset[0] = BROTLI_CODE_LENGTH_CODES - 1; - - /* Sort symbols by length, by symbol order within each length. */ - symbol = BROTLI_CODE_LENGTH_CODES; - do { - BROTLI_REPEAT_6({ - symbol--; - sorted[offset[code_lengths[symbol]]--] = symbol; - }); - } while (symbol != 0); - - table_size = 1 << BROTLI_HUFFMAN_MAX_CODE_LENGTH_CODE_LENGTH; - - /* Special case: all symbols but one have 0 code length. */ - if (offset[0] == 0) { - code = ConstructHuffmanCode(0, (uint16_t)sorted[0]); - for (key = 0; key < (brotli_reg_t)table_size; ++key) { - table[key] = code; - } - return; - } - - /* Fill in table. */ - key = 0; - key_step = BROTLI_REVERSE_BITS_LOWEST; - symbol = 0; - bits = 1; - step = 2; - do { - for (bits_count = count[bits]; bits_count != 0; --bits_count) { - code = ConstructHuffmanCode((uint8_t)bits, (uint16_t)sorted[symbol++]); - ReplicateValue(&table[BrotliReverseBits(key)], step, table_size, code); - key += key_step; - } - step <<= 1; - key_step >>= 1; - } while (++bits <= BROTLI_HUFFMAN_MAX_CODE_LENGTH_CODE_LENGTH); -} - -uint32_t BrotliBuildHuffmanTable(HuffmanCode* root_table, - int root_bits, - const uint16_t* const symbol_lists, - uint16_t* count) { - HuffmanCode code; /* current table entry */ - HuffmanCode* table; /* next available space in table */ - int len; /* current code length */ - int symbol; /* symbol index in original or sorted table */ - brotli_reg_t key; /* prefix code */ - brotli_reg_t key_step; /* prefix code addend */ - brotli_reg_t sub_key; /* 2nd level table prefix code */ - brotli_reg_t sub_key_step; /* 2nd level table prefix code addend */ - int step; /* step size to replicate values in current table */ - int table_bits; /* key length of current table */ - int table_size; /* size of current table */ - int total_size; /* sum of root table size and 2nd level table sizes */ - int max_length = -1; - int bits; - int bits_count; - - BROTLI_DCHECK(root_bits <= BROTLI_REVERSE_BITS_MAX); - BROTLI_DCHECK(BROTLI_HUFFMAN_MAX_CODE_LENGTH - root_bits <= - BROTLI_REVERSE_BITS_MAX); - - while (symbol_lists[max_length] == 0xFFFF) max_length--; - max_length += BROTLI_HUFFMAN_MAX_CODE_LENGTH + 1; - - table = root_table; - table_bits = root_bits; - table_size = 1 << table_bits; - total_size = table_size; - - /* Fill in the root table. Reduce the table size to if possible, - and create the repetitions by memcpy. */ - if (table_bits > max_length) { - table_bits = max_length; - table_size = 1 << table_bits; - } - key = 0; - key_step = BROTLI_REVERSE_BITS_LOWEST; - bits = 1; - step = 2; - do { - symbol = bits - (BROTLI_HUFFMAN_MAX_CODE_LENGTH + 1); - for (bits_count = count[bits]; bits_count != 0; --bits_count) { - symbol = symbol_lists[symbol]; - code = ConstructHuffmanCode((uint8_t)bits, (uint16_t)symbol); - ReplicateValue(&table[BrotliReverseBits(key)], step, table_size, code); - key += key_step; - } - step <<= 1; - key_step >>= 1; - } while (++bits <= table_bits); - - /* If root_bits != table_bits then replicate to fill the remaining slots. */ - while (total_size != table_size) { - memcpy(&table[table_size], &table[0], - (size_t)table_size * sizeof(table[0])); - table_size <<= 1; - } - - /* Fill in 2nd level tables and add pointers to root table. */ - key_step = BROTLI_REVERSE_BITS_LOWEST >> (root_bits - 1); - sub_key = (BROTLI_REVERSE_BITS_LOWEST << 1); - sub_key_step = BROTLI_REVERSE_BITS_LOWEST; - for (len = root_bits + 1, step = 2; len <= max_length; ++len) { - symbol = len - (BROTLI_HUFFMAN_MAX_CODE_LENGTH + 1); - for (; count[len] != 0; --count[len]) { - if (sub_key == (BROTLI_REVERSE_BITS_LOWEST << 1U)) { - table += table_size; - table_bits = NextTableBitSize(count, len, root_bits); - table_size = 1 << table_bits; - total_size += table_size; - sub_key = BrotliReverseBits(key); - key += key_step; - root_table[sub_key] = ConstructHuffmanCode( - (uint8_t)(table_bits + root_bits), - (uint16_t)(((size_t)(table - root_table)) - sub_key)); - sub_key = 0; - } - symbol = symbol_lists[symbol]; - code = ConstructHuffmanCode((uint8_t)(len - root_bits), (uint16_t)symbol); - ReplicateValue( - &table[BrotliReverseBits(sub_key)], step, table_size, code); - sub_key += sub_key_step; - } - step <<= 1; - sub_key_step >>= 1; - } - return (uint32_t)total_size; -} - -uint32_t BrotliBuildSimpleHuffmanTable(HuffmanCode* table, - int root_bits, - uint16_t* val, - uint32_t num_symbols) { - uint32_t table_size = 1; - const uint32_t goal_size = 1U << root_bits; - switch (num_symbols) { - case 0: - table[0] = ConstructHuffmanCode(0, val[0]); - break; - case 1: - if (val[1] > val[0]) { - table[0] = ConstructHuffmanCode(1, val[0]); - table[1] = ConstructHuffmanCode(1, val[1]); - } else { - table[0] = ConstructHuffmanCode(1, val[1]); - table[1] = ConstructHuffmanCode(1, val[0]); - } - table_size = 2; - break; - case 2: - table[0] = ConstructHuffmanCode(1, val[0]); - table[2] = ConstructHuffmanCode(1, val[0]); - if (val[2] > val[1]) { - table[1] = ConstructHuffmanCode(2, val[1]); - table[3] = ConstructHuffmanCode(2, val[2]); - } else { - table[1] = ConstructHuffmanCode(2, val[2]); - table[3] = ConstructHuffmanCode(2, val[1]); - } - table_size = 4; - break; - case 3: { - int i, k; - for (i = 0; i < 3; ++i) { - for (k = i + 1; k < 4; ++k) { - if (val[k] < val[i]) { - uint16_t t = val[k]; - val[k] = val[i]; - val[i] = t; - } - } - } - table[0] = ConstructHuffmanCode(2, val[0]); - table[2] = ConstructHuffmanCode(2, val[1]); - table[1] = ConstructHuffmanCode(2, val[2]); - table[3] = ConstructHuffmanCode(2, val[3]); - table_size = 4; - break; - } - case 4: { - if (val[3] < val[2]) { - uint16_t t = val[3]; - val[3] = val[2]; - val[2] = t; - } - table[0] = ConstructHuffmanCode(1, val[0]); - table[1] = ConstructHuffmanCode(2, val[1]); - table[2] = ConstructHuffmanCode(1, val[0]); - table[3] = ConstructHuffmanCode(3, val[2]); - table[4] = ConstructHuffmanCode(1, val[0]); - table[5] = ConstructHuffmanCode(2, val[1]); - table[6] = ConstructHuffmanCode(1, val[0]); - table[7] = ConstructHuffmanCode(3, val[3]); - table_size = 8; - break; - } - } - while (table_size != goal_size) { - memcpy(&table[table_size], &table[0], - (size_t)table_size * sizeof(table[0])); - table_size <<= 1; - } - return goal_size; -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/dec/huffman.h b/src/deps/brotli/dec/huffman.h deleted file mode 100644 index 50360962c7..0000000000 --- a/src/deps/brotli/dec/huffman.h +++ /dev/null @@ -1,122 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Utilities for building Huffman decoding tables. */ - -#ifndef BROTLI_DEC_HUFFMAN_H_ -#define BROTLI_DEC_HUFFMAN_H_ - -#include - -#include "../common/platform.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define BROTLI_HUFFMAN_MAX_CODE_LENGTH 15 - -/* BROTLI_NUM_BLOCK_LEN_SYMBOLS == 26 */ -#define BROTLI_HUFFMAN_MAX_SIZE_26 396 -/* BROTLI_MAX_BLOCK_TYPE_SYMBOLS == 258 */ -#define BROTLI_HUFFMAN_MAX_SIZE_258 632 -/* BROTLI_MAX_CONTEXT_MAP_SYMBOLS == 272 */ -#define BROTLI_HUFFMAN_MAX_SIZE_272 646 - -#define BROTLI_HUFFMAN_MAX_CODE_LENGTH_CODE_LENGTH 5 - -#if ((defined(BROTLI_TARGET_ARMV7) || defined(BROTLI_TARGET_ARMV8_32)) && \ - BROTLI_GNUC_HAS_ATTRIBUTE(aligned, 2, 7, 0)) -#define BROTLI_HUFFMAN_CODE_FAST_LOAD -#endif - -#if !defined(BROTLI_HUFFMAN_CODE_FAST_LOAD) -/* Do not create this struct directly - use the ConstructHuffmanCode - * constructor below! */ -typedef struct { - uint8_t bits; /* number of bits used for this symbol */ - uint16_t value; /* symbol value or table offset */ -} HuffmanCode; - -static BROTLI_INLINE HuffmanCode ConstructHuffmanCode(const uint8_t bits, - const uint16_t value) { - HuffmanCode h; - h.bits = bits; - h.value = value; - return h; -} - -/* Please use the following macros to optimize HuffmanCode accesses in hot - * paths. - * - * For example, assuming |table| contains a HuffmanCode pointer: - * - * BROTLI_HC_MARK_TABLE_FOR_FAST_LOAD(table); - * BROTLI_HC_ADJUST_TABLE_INDEX(table, index_into_table); - * *bits = BROTLI_HC_GET_BITS(table); - * *value = BROTLI_HC_GET_VALUE(table); - * BROTLI_HC_ADJUST_TABLE_INDEX(table, offset); - * *bits2 = BROTLI_HC_GET_BITS(table); - * *value2 = BROTLI_HC_GET_VALUE(table); - * - */ - -#define BROTLI_HC_MARK_TABLE_FOR_FAST_LOAD(H) -#define BROTLI_HC_ADJUST_TABLE_INDEX(H, V) H += (V) - -/* These must be given a HuffmanCode pointer! */ -#define BROTLI_HC_FAST_LOAD_BITS(H) (H->bits) -#define BROTLI_HC_FAST_LOAD_VALUE(H) (H->value) - -#else /* BROTLI_HUFFMAN_CODE_FAST_LOAD */ - -typedef BROTLI_ALIGNED(4) uint32_t HuffmanCode; - -static BROTLI_INLINE HuffmanCode ConstructHuffmanCode(const uint8_t bits, - const uint16_t value) { - return (HuffmanCode) ((value & 0xFFFF) << 16) | (bits & 0xFF); -} - -#define BROTLI_HC_MARK_TABLE_FOR_FAST_LOAD(H) uint32_t __fastload_##H = (*H) -#define BROTLI_HC_ADJUST_TABLE_INDEX(H, V) H += (V); __fastload_##H = (*H) - -/* These must be given a HuffmanCode pointer! */ -#define BROTLI_HC_FAST_LOAD_BITS(H) ((__fastload_##H) & 0xFF) -#define BROTLI_HC_FAST_LOAD_VALUE(H) ((__fastload_##H) >> 16) -#endif /* BROTLI_HUFFMAN_CODE_FAST_LOAD */ - -/* Builds Huffman lookup table assuming code lengths are in symbol order. */ -BROTLI_INTERNAL void BrotliBuildCodeLengthsHuffmanTable(HuffmanCode* root_table, - const uint8_t* const code_lengths, uint16_t* count); - -/* Builds Huffman lookup table assuming code lengths are in symbol order. - Returns size of resulting table. */ -BROTLI_INTERNAL uint32_t BrotliBuildHuffmanTable(HuffmanCode* root_table, - int root_bits, const uint16_t* const symbol_lists, uint16_t* count); - -/* Builds a simple Huffman table. The |num_symbols| parameter is to be - interpreted as follows: 0 means 1 symbol, 1 means 2 symbols, - 2 means 3 symbols, 3 means 4 symbols with lengths [2, 2, 2, 2], - 4 means 4 symbols with lengths [1, 2, 3, 3]. */ -BROTLI_INTERNAL uint32_t BrotliBuildSimpleHuffmanTable(HuffmanCode* table, - int root_bits, uint16_t* symbols, uint32_t num_symbols); - -/* Contains a collection of Huffman trees with the same alphabet size. */ -/* alphabet_size_limit is needed due to simple codes, since - log2(alphabet_size_max) could be greater than log2(alphabet_size_limit). */ -typedef struct { - HuffmanCode** htrees; - HuffmanCode* codes; - uint16_t alphabet_size_max; - uint16_t alphabet_size_limit; - uint16_t num_htrees; -} HuffmanTreeGroup; - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_DEC_HUFFMAN_H_ */ diff --git a/src/deps/brotli/dec/prefix.h b/src/deps/brotli/dec/prefix.h deleted file mode 100644 index e8acf07740..0000000000 --- a/src/deps/brotli/dec/prefix.h +++ /dev/null @@ -1,733 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Lookup tables to map prefix codes to value ranges. This is used during - decoding of the block lengths, literal insertion lengths and copy lengths. */ - -#ifndef BROTLI_DEC_PREFIX_H_ -#define BROTLI_DEC_PREFIX_H_ - -#include - -#include "../common/constants.h" - -typedef struct CmdLutElement { - uint8_t insert_len_extra_bits; - uint8_t copy_len_extra_bits; - int8_t distance_code; - uint8_t context; - uint16_t insert_len_offset; - uint16_t copy_len_offset; -} CmdLutElement; - -static const CmdLutElement kCmdLut[BROTLI_NUM_COMMAND_SYMBOLS] = { - { 0x00, 0x00, 0, 0x00, 0x0000, 0x0002 }, - { 0x00, 0x00, 0, 0x01, 0x0000, 0x0003 }, - { 0x00, 0x00, 0, 0x02, 0x0000, 0x0004 }, - { 0x00, 0x00, 0, 0x03, 0x0000, 0x0005 }, - { 0x00, 0x00, 0, 0x03, 0x0000, 0x0006 }, - { 0x00, 0x00, 0, 0x03, 0x0000, 0x0007 }, - { 0x00, 0x00, 0, 0x03, 0x0000, 0x0008 }, - { 0x00, 0x00, 0, 0x03, 0x0000, 0x0009 }, - { 0x00, 0x00, 0, 0x00, 0x0001, 0x0002 }, - { 0x00, 0x00, 0, 0x01, 0x0001, 0x0003 }, - { 0x00, 0x00, 0, 0x02, 0x0001, 0x0004 }, - { 0x00, 0x00, 0, 0x03, 0x0001, 0x0005 }, - { 0x00, 0x00, 0, 0x03, 0x0001, 0x0006 }, - { 0x00, 0x00, 0, 0x03, 0x0001, 0x0007 }, - { 0x00, 0x00, 0, 0x03, 0x0001, 0x0008 }, - { 0x00, 0x00, 0, 0x03, 0x0001, 0x0009 }, - { 0x00, 0x00, 0, 0x00, 0x0002, 0x0002 }, - { 0x00, 0x00, 0, 0x01, 0x0002, 0x0003 }, - { 0x00, 0x00, 0, 0x02, 0x0002, 0x0004 }, - { 0x00, 0x00, 0, 0x03, 0x0002, 0x0005 }, - { 0x00, 0x00, 0, 0x03, 0x0002, 0x0006 }, - { 0x00, 0x00, 0, 0x03, 0x0002, 0x0007 }, - { 0x00, 0x00, 0, 0x03, 0x0002, 0x0008 }, - { 0x00, 0x00, 0, 0x03, 0x0002, 0x0009 }, - { 0x00, 0x00, 0, 0x00, 0x0003, 0x0002 }, - { 0x00, 0x00, 0, 0x01, 0x0003, 0x0003 }, - { 0x00, 0x00, 0, 0x02, 0x0003, 0x0004 }, - { 0x00, 0x00, 0, 0x03, 0x0003, 0x0005 }, - { 0x00, 0x00, 0, 0x03, 0x0003, 0x0006 }, - { 0x00, 0x00, 0, 0x03, 0x0003, 0x0007 }, - { 0x00, 0x00, 0, 0x03, 0x0003, 0x0008 }, - { 0x00, 0x00, 0, 0x03, 0x0003, 0x0009 }, - { 0x00, 0x00, 0, 0x00, 0x0004, 0x0002 }, - { 0x00, 0x00, 0, 0x01, 0x0004, 0x0003 }, - { 0x00, 0x00, 0, 0x02, 0x0004, 0x0004 }, - { 0x00, 0x00, 0, 0x03, 0x0004, 0x0005 }, - { 0x00, 0x00, 0, 0x03, 0x0004, 0x0006 }, - { 0x00, 0x00, 0, 0x03, 0x0004, 0x0007 }, - { 0x00, 0x00, 0, 0x03, 0x0004, 0x0008 }, - { 0x00, 0x00, 0, 0x03, 0x0004, 0x0009 }, - { 0x00, 0x00, 0, 0x00, 0x0005, 0x0002 }, - { 0x00, 0x00, 0, 0x01, 0x0005, 0x0003 }, - { 0x00, 0x00, 0, 0x02, 0x0005, 0x0004 }, - { 0x00, 0x00, 0, 0x03, 0x0005, 0x0005 }, - { 0x00, 0x00, 0, 0x03, 0x0005, 0x0006 }, - { 0x00, 0x00, 0, 0x03, 0x0005, 0x0007 }, - { 0x00, 0x00, 0, 0x03, 0x0005, 0x0008 }, - { 0x00, 0x00, 0, 0x03, 0x0005, 0x0009 }, - { 0x01, 0x00, 0, 0x00, 0x0006, 0x0002 }, - { 0x01, 0x00, 0, 0x01, 0x0006, 0x0003 }, - { 0x01, 0x00, 0, 0x02, 0x0006, 0x0004 }, - { 0x01, 0x00, 0, 0x03, 0x0006, 0x0005 }, - { 0x01, 0x00, 0, 0x03, 0x0006, 0x0006 }, - { 0x01, 0x00, 0, 0x03, 0x0006, 0x0007 }, - { 0x01, 0x00, 0, 0x03, 0x0006, 0x0008 }, - { 0x01, 0x00, 0, 0x03, 0x0006, 0x0009 }, - { 0x01, 0x00, 0, 0x00, 0x0008, 0x0002 }, - { 0x01, 0x00, 0, 0x01, 0x0008, 0x0003 }, - { 0x01, 0x00, 0, 0x02, 0x0008, 0x0004 }, - { 0x01, 0x00, 0, 0x03, 0x0008, 0x0005 }, - { 0x01, 0x00, 0, 0x03, 0x0008, 0x0006 }, - { 0x01, 0x00, 0, 0x03, 0x0008, 0x0007 }, - { 0x01, 0x00, 0, 0x03, 0x0008, 0x0008 }, - { 0x01, 0x00, 0, 0x03, 0x0008, 0x0009 }, - { 0x00, 0x01, 0, 0x03, 0x0000, 0x000a }, - { 0x00, 0x01, 0, 0x03, 0x0000, 0x000c }, - { 0x00, 0x02, 0, 0x03, 0x0000, 0x000e }, - { 0x00, 0x02, 0, 0x03, 0x0000, 0x0012 }, - { 0x00, 0x03, 0, 0x03, 0x0000, 0x0016 }, - { 0x00, 0x03, 0, 0x03, 0x0000, 0x001e }, - { 0x00, 0x04, 0, 0x03, 0x0000, 0x0026 }, - { 0x00, 0x04, 0, 0x03, 0x0000, 0x0036 }, - { 0x00, 0x01, 0, 0x03, 0x0001, 0x000a }, - { 0x00, 0x01, 0, 0x03, 0x0001, 0x000c }, - { 0x00, 0x02, 0, 0x03, 0x0001, 0x000e }, - { 0x00, 0x02, 0, 0x03, 0x0001, 0x0012 }, - { 0x00, 0x03, 0, 0x03, 0x0001, 0x0016 }, - { 0x00, 0x03, 0, 0x03, 0x0001, 0x001e }, - { 0x00, 0x04, 0, 0x03, 0x0001, 0x0026 }, - { 0x00, 0x04, 0, 0x03, 0x0001, 0x0036 }, - { 0x00, 0x01, 0, 0x03, 0x0002, 0x000a }, - { 0x00, 0x01, 0, 0x03, 0x0002, 0x000c }, - { 0x00, 0x02, 0, 0x03, 0x0002, 0x000e }, - { 0x00, 0x02, 0, 0x03, 0x0002, 0x0012 }, - { 0x00, 0x03, 0, 0x03, 0x0002, 0x0016 }, - { 0x00, 0x03, 0, 0x03, 0x0002, 0x001e }, - { 0x00, 0x04, 0, 0x03, 0x0002, 0x0026 }, - { 0x00, 0x04, 0, 0x03, 0x0002, 0x0036 }, - { 0x00, 0x01, 0, 0x03, 0x0003, 0x000a }, - { 0x00, 0x01, 0, 0x03, 0x0003, 0x000c }, - { 0x00, 0x02, 0, 0x03, 0x0003, 0x000e }, - { 0x00, 0x02, 0, 0x03, 0x0003, 0x0012 }, - { 0x00, 0x03, 0, 0x03, 0x0003, 0x0016 }, - { 0x00, 0x03, 0, 0x03, 0x0003, 0x001e }, - { 0x00, 0x04, 0, 0x03, 0x0003, 0x0026 }, - { 0x00, 0x04, 0, 0x03, 0x0003, 0x0036 }, - { 0x00, 0x01, 0, 0x03, 0x0004, 0x000a }, - { 0x00, 0x01, 0, 0x03, 0x0004, 0x000c }, - { 0x00, 0x02, 0, 0x03, 0x0004, 0x000e }, - { 0x00, 0x02, 0, 0x03, 0x0004, 0x0012 }, - { 0x00, 0x03, 0, 0x03, 0x0004, 0x0016 }, - { 0x00, 0x03, 0, 0x03, 0x0004, 0x001e }, - { 0x00, 0x04, 0, 0x03, 0x0004, 0x0026 }, - { 0x00, 0x04, 0, 0x03, 0x0004, 0x0036 }, - { 0x00, 0x01, 0, 0x03, 0x0005, 0x000a }, - { 0x00, 0x01, 0, 0x03, 0x0005, 0x000c }, - { 0x00, 0x02, 0, 0x03, 0x0005, 0x000e }, - { 0x00, 0x02, 0, 0x03, 0x0005, 0x0012 }, - 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{ 0x08, 0x09, -1, 0x03, 0x0142, 0x0246 }, - { 0x08, 0x0a, -1, 0x03, 0x0142, 0x0446 }, - { 0x08, 0x18, -1, 0x03, 0x0142, 0x0846 }, - { 0x09, 0x05, -1, 0x03, 0x0242, 0x0046 }, - { 0x09, 0x05, -1, 0x03, 0x0242, 0x0066 }, - { 0x09, 0x06, -1, 0x03, 0x0242, 0x0086 }, - { 0x09, 0x07, -1, 0x03, 0x0242, 0x00c6 }, - { 0x09, 0x08, -1, 0x03, 0x0242, 0x0146 }, - { 0x09, 0x09, -1, 0x03, 0x0242, 0x0246 }, - { 0x09, 0x0a, -1, 0x03, 0x0242, 0x0446 }, - { 0x09, 0x18, -1, 0x03, 0x0242, 0x0846 }, - { 0x0a, 0x05, -1, 0x03, 0x0442, 0x0046 }, - { 0x0a, 0x05, -1, 0x03, 0x0442, 0x0066 }, - { 0x0a, 0x06, -1, 0x03, 0x0442, 0x0086 }, - { 0x0a, 0x07, -1, 0x03, 0x0442, 0x00c6 }, - { 0x0a, 0x08, -1, 0x03, 0x0442, 0x0146 }, - { 0x0a, 0x09, -1, 0x03, 0x0442, 0x0246 }, - { 0x0a, 0x0a, -1, 0x03, 0x0442, 0x0446 }, - { 0x0a, 0x18, -1, 0x03, 0x0442, 0x0846 }, - { 0x0c, 0x05, -1, 0x03, 0x0842, 0x0046 }, - { 0x0c, 0x05, -1, 0x03, 0x0842, 0x0066 }, - { 0x0c, 0x06, -1, 0x03, 0x0842, 0x0086 }, - { 0x0c, 0x07, -1, 0x03, 0x0842, 0x00c6 }, - { 0x0c, 0x08, -1, 0x03, 0x0842, 0x0146 }, - { 0x0c, 0x09, -1, 0x03, 0x0842, 0x0246 }, - { 0x0c, 0x0a, -1, 0x03, 0x0842, 0x0446 }, - { 0x0c, 0x18, -1, 0x03, 0x0842, 0x0846 }, - { 0x0e, 0x05, -1, 0x03, 0x1842, 0x0046 }, - { 0x0e, 0x05, -1, 0x03, 0x1842, 0x0066 }, - { 0x0e, 0x06, -1, 0x03, 0x1842, 0x0086 }, - { 0x0e, 0x07, -1, 0x03, 0x1842, 0x00c6 }, - { 0x0e, 0x08, -1, 0x03, 0x1842, 0x0146 }, - { 0x0e, 0x09, -1, 0x03, 0x1842, 0x0246 }, - { 0x0e, 0x0a, -1, 0x03, 0x1842, 0x0446 }, - { 0x0e, 0x18, -1, 0x03, 0x1842, 0x0846 }, - { 0x18, 0x05, -1, 0x03, 0x5842, 0x0046 }, - { 0x18, 0x05, -1, 0x03, 0x5842, 0x0066 }, - { 0x18, 0x06, -1, 0x03, 0x5842, 0x0086 }, - { 0x18, 0x07, -1, 0x03, 0x5842, 0x00c6 }, - { 0x18, 0x08, -1, 0x03, 0x5842, 0x0146 }, - { 0x18, 0x09, -1, 0x03, 0x5842, 0x0246 }, - { 0x18, 0x0a, -1, 0x03, 0x5842, 0x0446 }, - { 0x18, 0x18, -1, 0x03, 0x5842, 0x0846 }, -}; - -#endif /* BROTLI_DEC_PREFIX_H_ */ diff --git a/src/deps/brotli/dec/state.c b/src/deps/brotli/dec/state.c deleted file mode 100644 index be6a26680b..0000000000 --- a/src/deps/brotli/dec/state.c +++ /dev/null @@ -1,183 +0,0 @@ -/* Copyright 2015 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -#include "state.h" - -#include /* free, malloc */ - -#include - -#include "../common/dictionary.h" -#include "huffman.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -BROTLI_BOOL BrotliDecoderStateInit(BrotliDecoderState* s, - brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque) { - if (!alloc_func) { - s->alloc_func = BrotliDefaultAllocFunc; - s->free_func = BrotliDefaultFreeFunc; - s->memory_manager_opaque = 0; - } else { - s->alloc_func = alloc_func; - s->free_func = free_func; - s->memory_manager_opaque = opaque; - } - - s->error_code = 0; /* BROTLI_DECODER_NO_ERROR */ - - BrotliInitBitReader(&s->br); - s->state = BROTLI_STATE_UNINITED; - s->large_window = 0; - s->substate_metablock_header = BROTLI_STATE_METABLOCK_HEADER_NONE; - s->substate_uncompressed = BROTLI_STATE_UNCOMPRESSED_NONE; - s->substate_decode_uint8 = BROTLI_STATE_DECODE_UINT8_NONE; - s->substate_read_block_length = BROTLI_STATE_READ_BLOCK_LENGTH_NONE; - - s->buffer_length = 0; - s->loop_counter = 0; - s->pos = 0; - s->rb_roundtrips = 0; - s->partial_pos_out = 0; - s->used_input = 0; - - s->block_type_trees = NULL; - s->block_len_trees = NULL; - s->ringbuffer = NULL; - s->ringbuffer_size = 0; - s->new_ringbuffer_size = 0; - s->ringbuffer_mask = 0; - - s->context_map = NULL; - s->context_modes = NULL; - s->dist_context_map = NULL; - s->context_map_slice = NULL; - s->dist_context_map_slice = NULL; - - s->literal_hgroup.codes = NULL; - s->literal_hgroup.htrees = NULL; - s->insert_copy_hgroup.codes = NULL; - s->insert_copy_hgroup.htrees = NULL; - s->distance_hgroup.codes = NULL; - s->distance_hgroup.htrees = NULL; - - s->is_last_metablock = 0; - s->is_uncompressed = 0; - s->is_metadata = 0; - s->should_wrap_ringbuffer = 0; - s->canny_ringbuffer_allocation = 1; - - s->window_bits = 0; - s->max_distance = 0; - s->dist_rb[0] = 16; - s->dist_rb[1] = 15; - s->dist_rb[2] = 11; - s->dist_rb[3] = 4; - s->dist_rb_idx = 0; - s->block_type_trees = NULL; - s->block_len_trees = NULL; - - s->mtf_upper_bound = 63; - - s->compound_dictionary = NULL; - s->dictionary = - BrotliSharedDictionaryCreateInstance(alloc_func, free_func, opaque); - if (!s->dictionary) return BROTLI_FALSE; - - s->metadata_start_func = NULL; - s->metadata_chunk_func = NULL; - s->metadata_callback_opaque = 0; - - return BROTLI_TRUE; -} - -void BrotliDecoderStateMetablockBegin(BrotliDecoderState* s) { - s->meta_block_remaining_len = 0; - s->block_length[0] = BROTLI_BLOCK_SIZE_CAP; - s->block_length[1] = BROTLI_BLOCK_SIZE_CAP; - s->block_length[2] = BROTLI_BLOCK_SIZE_CAP; - s->num_block_types[0] = 1; - s->num_block_types[1] = 1; - s->num_block_types[2] = 1; - s->block_type_rb[0] = 1; - s->block_type_rb[1] = 0; - s->block_type_rb[2] = 1; - s->block_type_rb[3] = 0; - s->block_type_rb[4] = 1; - s->block_type_rb[5] = 0; - s->context_map = NULL; - s->context_modes = NULL; - s->dist_context_map = NULL; - s->context_map_slice = NULL; - s->literal_htree = NULL; - s->dist_context_map_slice = NULL; - s->dist_htree_index = 0; - s->context_lookup = NULL; - s->literal_hgroup.codes = NULL; - s->literal_hgroup.htrees = NULL; - s->insert_copy_hgroup.codes = NULL; - s->insert_copy_hgroup.htrees = NULL; - s->distance_hgroup.codes = NULL; - s->distance_hgroup.htrees = NULL; -} - -void BrotliDecoderStateCleanupAfterMetablock(BrotliDecoderState* s) { - BROTLI_DECODER_FREE(s, s->context_modes); - BROTLI_DECODER_FREE(s, s->context_map); - BROTLI_DECODER_FREE(s, s->dist_context_map); - BROTLI_DECODER_FREE(s, s->literal_hgroup.htrees); - BROTLI_DECODER_FREE(s, s->insert_copy_hgroup.htrees); - BROTLI_DECODER_FREE(s, s->distance_hgroup.htrees); -} - -#ifdef BROTLI_REPORTING -/* When BROTLI_REPORTING is defined extra reporting module have to be linked. */ -void BrotliDecoderOnFinish(const BrotliDecoderState* s); -#define BROTLI_DECODER_ON_FINISH(s) BrotliDecoderOnFinish(s); -#else -#if !defined(BROTLI_DECODER_ON_FINISH) -#define BROTLI_DECODER_ON_FINISH(s) (void)(s); -#endif -#endif - -void BrotliDecoderStateCleanup(BrotliDecoderState* s) { - BrotliDecoderStateCleanupAfterMetablock(s); - - BROTLI_DECODER_ON_FINISH(s); - - BROTLI_DECODER_FREE(s, s->compound_dictionary); - BrotliSharedDictionaryDestroyInstance(s->dictionary); - s->dictionary = NULL; - BROTLI_DECODER_FREE(s, s->ringbuffer); - BROTLI_DECODER_FREE(s, s->block_type_trees); -} - -BROTLI_BOOL BrotliDecoderHuffmanTreeGroupInit(BrotliDecoderState* s, - HuffmanTreeGroup* group, brotli_reg_t alphabet_size_max, - brotli_reg_t alphabet_size_limit, brotli_reg_t ntrees) { - /* 376 = 256 (1-st level table) + 4 + 7 + 15 + 31 + 63 (2-nd level mix-tables) - This number is discovered "unlimited" "enough" calculator; it is actually - a wee bigger than required in several cases (especially for alphabets with - less than 16 symbols). */ - const size_t max_table_size = alphabet_size_limit + 376; - const size_t code_size = sizeof(HuffmanCode) * ntrees * max_table_size; - const size_t htree_size = sizeof(HuffmanCode*) * ntrees; - /* Pointer alignment is, hopefully, wider than sizeof(HuffmanCode). */ - HuffmanCode** p = (HuffmanCode**)BROTLI_DECODER_ALLOC(s, - code_size + htree_size); - group->alphabet_size_max = (uint16_t)alphabet_size_max; - group->alphabet_size_limit = (uint16_t)alphabet_size_limit; - group->num_htrees = (uint16_t)ntrees; - group->htrees = p; - group->codes = (HuffmanCode*)(&p[ntrees]); - return !!p; -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/dec/state.h b/src/deps/brotli/dec/state.h deleted file mode 100644 index fd250b6842..0000000000 --- a/src/deps/brotli/dec/state.h +++ /dev/null @@ -1,400 +0,0 @@ -/* Copyright 2015 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Brotli state for partial streaming decoding. */ - -#ifndef BROTLI_DEC_STATE_H_ -#define BROTLI_DEC_STATE_H_ - -#include -#include -#include - -#include "../common/constants.h" -#include "../common/dictionary.h" -#include "../common/platform.h" -#include "../common/transform.h" -#include "bit_reader.h" -#include "huffman.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/* Graphviz diagram that describes state transitions: - -digraph States { - graph [compound=true] - concentrate=true - node [shape="box"] - - UNINITED -> {LARGE_WINDOW_BITS -> INITIALIZE} - subgraph cluster_metablock_workflow { - style="rounded" - label=< METABLOCK CYCLE > - METABLOCK_BEGIN -> METABLOCK_HEADER - METABLOCK_HEADER:sw -> METADATA - METABLOCK_HEADER:s -> UNCOMPRESSED - METABLOCK_HEADER:se -> METABLOCK_DONE:ne - METADATA:s -> METABLOCK_DONE:w - UNCOMPRESSED:s -> METABLOCK_DONE:n - METABLOCK_DONE:e -> METABLOCK_BEGIN:e [constraint="false"] - } - INITIALIZE -> METABLOCK_BEGIN - METABLOCK_DONE -> DONE - - subgraph cluster_compressed_metablock { - style="rounded" - label=< COMPRESSED METABLOCK > - - subgraph cluster_command { - style="rounded" - label=< HOT LOOP > - - _METABLOCK_DONE_PORT_ [shape=point style=invis] - - { - // Set different shape for nodes returning from "compressed metablock". - node [shape=invhouse]; CMD_INNER CMD_POST_DECODE_LITERALS; - CMD_POST_WRAP_COPY; CMD_INNER_WRITE; CMD_POST_WRITE_1; - } - - CMD_BEGIN -> CMD_INNER -> CMD_POST_DECODE_LITERALS -> CMD_POST_WRAP_COPY - - // IO ("write") nodes are not in the hot loop! - CMD_INNER_WRITE [style=dashed] - CMD_INNER -> CMD_INNER_WRITE - CMD_POST_WRITE_1 [style=dashed] - CMD_POST_DECODE_LITERALS -> CMD_POST_WRITE_1 - CMD_POST_WRITE_2 [style=dashed] - CMD_POST_WRAP_COPY -> CMD_POST_WRITE_2 - - CMD_POST_WRITE_1 -> CMD_BEGIN:s [constraint="false"] - CMD_INNER_WRITE -> {CMD_INNER CMD_POST_DECODE_LITERALS} - [constraint="false"] - CMD_BEGIN:ne -> CMD_POST_DECODE_LITERALS [constraint="false"] - CMD_POST_WRAP_COPY -> CMD_BEGIN [constraint="false"] - CMD_POST_DECODE_LITERALS -> CMD_BEGIN:ne [constraint="false"] - CMD_POST_WRITE_2 -> CMD_POST_WRAP_COPY [constraint="false"] - {rank=same; CMD_BEGIN; CMD_INNER; CMD_POST_DECODE_LITERALS; - CMD_POST_WRAP_COPY} - {rank=same; CMD_INNER_WRITE; CMD_POST_WRITE_1; CMD_POST_WRITE_2} - - {CMD_INNER CMD_POST_DECODE_LITERALS CMD_POST_WRAP_COPY} -> - _METABLOCK_DONE_PORT_ [style=invis] - {CMD_INNER_WRITE CMD_POST_WRITE_1} -> _METABLOCK_DONE_PORT_ - [constraint="false" style=invis] - } - - BEFORE_COMPRESSED_METABLOCK_HEADER:s -> HUFFMAN_CODE_0:n - HUFFMAN_CODE_0 -> HUFFMAN_CODE_1 -> HUFFMAN_CODE_2 -> HUFFMAN_CODE_3 - HUFFMAN_CODE_0 -> METABLOCK_HEADER_2 -> CONTEXT_MODES -> CONTEXT_MAP_1 - CONTEXT_MAP_1 -> CONTEXT_MAP_2 -> TREE_GROUP - TREE_GROUP -> BEFORE_COMPRESSED_METABLOCK_BODY:e - BEFORE_COMPRESSED_METABLOCK_BODY:s -> CMD_BEGIN:n - - HUFFMAN_CODE_3:e -> HUFFMAN_CODE_0:ne [constraint="false"] - {rank=same; HUFFMAN_CODE_0; HUFFMAN_CODE_1; HUFFMAN_CODE_2; HUFFMAN_CODE_3} - {rank=same; METABLOCK_HEADER_2; CONTEXT_MODES; CONTEXT_MAP_1; CONTEXT_MAP_2; - TREE_GROUP} - } - METABLOCK_HEADER:e -> BEFORE_COMPRESSED_METABLOCK_HEADER:n - - _METABLOCK_DONE_PORT_ -> METABLOCK_DONE:se - [constraint="false" ltail=cluster_command] - - UNINITED [shape=Mdiamond]; - DONE [shape=Msquare]; -} - - - */ - -typedef enum { - BROTLI_STATE_UNINITED, - BROTLI_STATE_LARGE_WINDOW_BITS, - BROTLI_STATE_INITIALIZE, - BROTLI_STATE_METABLOCK_BEGIN, - BROTLI_STATE_METABLOCK_HEADER, - BROTLI_STATE_METABLOCK_HEADER_2, - BROTLI_STATE_CONTEXT_MODES, - BROTLI_STATE_COMMAND_BEGIN, - BROTLI_STATE_COMMAND_INNER, - BROTLI_STATE_COMMAND_POST_DECODE_LITERALS, - BROTLI_STATE_COMMAND_POST_WRAP_COPY, - BROTLI_STATE_UNCOMPRESSED, - BROTLI_STATE_METADATA, - BROTLI_STATE_COMMAND_INNER_WRITE, - BROTLI_STATE_METABLOCK_DONE, - BROTLI_STATE_COMMAND_POST_WRITE_1, - BROTLI_STATE_COMMAND_POST_WRITE_2, - BROTLI_STATE_BEFORE_COMPRESSED_METABLOCK_HEADER, - BROTLI_STATE_HUFFMAN_CODE_0, - BROTLI_STATE_HUFFMAN_CODE_1, - BROTLI_STATE_HUFFMAN_CODE_2, - BROTLI_STATE_HUFFMAN_CODE_3, - BROTLI_STATE_CONTEXT_MAP_1, - BROTLI_STATE_CONTEXT_MAP_2, - BROTLI_STATE_TREE_GROUP, - BROTLI_STATE_BEFORE_COMPRESSED_METABLOCK_BODY, - BROTLI_STATE_DONE -} BrotliRunningState; - -typedef enum { - BROTLI_STATE_METABLOCK_HEADER_NONE, - BROTLI_STATE_METABLOCK_HEADER_EMPTY, - BROTLI_STATE_METABLOCK_HEADER_NIBBLES, - BROTLI_STATE_METABLOCK_HEADER_SIZE, - BROTLI_STATE_METABLOCK_HEADER_UNCOMPRESSED, - BROTLI_STATE_METABLOCK_HEADER_RESERVED, - BROTLI_STATE_METABLOCK_HEADER_BYTES, - BROTLI_STATE_METABLOCK_HEADER_METADATA -} BrotliRunningMetablockHeaderState; - -typedef enum { - BROTLI_STATE_UNCOMPRESSED_NONE, - BROTLI_STATE_UNCOMPRESSED_WRITE -} BrotliRunningUncompressedState; - -typedef enum { - BROTLI_STATE_TREE_GROUP_NONE, - BROTLI_STATE_TREE_GROUP_LOOP -} BrotliRunningTreeGroupState; - -typedef enum { - BROTLI_STATE_CONTEXT_MAP_NONE, - BROTLI_STATE_CONTEXT_MAP_READ_PREFIX, - BROTLI_STATE_CONTEXT_MAP_HUFFMAN, - BROTLI_STATE_CONTEXT_MAP_DECODE, - BROTLI_STATE_CONTEXT_MAP_TRANSFORM -} BrotliRunningContextMapState; - -typedef enum { - BROTLI_STATE_HUFFMAN_NONE, - BROTLI_STATE_HUFFMAN_SIMPLE_SIZE, - BROTLI_STATE_HUFFMAN_SIMPLE_READ, - BROTLI_STATE_HUFFMAN_SIMPLE_BUILD, - BROTLI_STATE_HUFFMAN_COMPLEX, - BROTLI_STATE_HUFFMAN_LENGTH_SYMBOLS -} BrotliRunningHuffmanState; - -typedef enum { - BROTLI_STATE_DECODE_UINT8_NONE, - BROTLI_STATE_DECODE_UINT8_SHORT, - BROTLI_STATE_DECODE_UINT8_LONG -} BrotliRunningDecodeUint8State; - -typedef enum { - BROTLI_STATE_READ_BLOCK_LENGTH_NONE, - BROTLI_STATE_READ_BLOCK_LENGTH_SUFFIX -} BrotliRunningReadBlockLengthState; - -/* BrotliDecoderState addon, used for Compound Dictionary functionality. */ -typedef struct BrotliDecoderCompoundDictionary { - int num_chunks; - int total_size; - int br_index; - int br_offset; - int br_length; - int br_copied; - const uint8_t* chunks[16]; - int chunk_offsets[16]; - int block_bits; - uint8_t block_map[256]; -} BrotliDecoderCompoundDictionary; - -typedef struct BrotliMetablockHeaderArena { - BrotliRunningTreeGroupState substate_tree_group; - BrotliRunningContextMapState substate_context_map; - BrotliRunningHuffmanState substate_huffman; - - brotli_reg_t sub_loop_counter; - - brotli_reg_t repeat_code_len; - brotli_reg_t prev_code_len; - - /* For ReadHuffmanCode. */ - brotli_reg_t symbol; - brotli_reg_t repeat; - brotli_reg_t space; - - /* Huffman table for "histograms". */ - HuffmanCode table[32]; - /* List of heads of symbol chains. */ - uint16_t* symbol_lists; - /* Storage from symbol_lists. */ - uint16_t symbols_lists_array[BROTLI_HUFFMAN_MAX_CODE_LENGTH + 1 + - BROTLI_NUM_COMMAND_SYMBOLS]; - /* Tails of symbol chains. */ - int next_symbol[32]; - uint8_t code_length_code_lengths[BROTLI_CODE_LENGTH_CODES]; - /* Population counts for the code lengths. */ - uint16_t code_length_histo[16]; - /* TODO(eustas): +2 bytes padding */ - - /* For HuffmanTreeGroupDecode. */ - int htree_index; - HuffmanCode* next; - - /* For DecodeContextMap. */ - brotli_reg_t context_index; - brotli_reg_t max_run_length_prefix; - brotli_reg_t code; - HuffmanCode context_map_table[BROTLI_HUFFMAN_MAX_SIZE_272]; -} BrotliMetablockHeaderArena; - -typedef struct BrotliMetablockBodyArena { - uint8_t dist_extra_bits[544]; - brotli_reg_t dist_offset[544]; -} BrotliMetablockBodyArena; - -struct BrotliDecoderStateStruct { - BrotliRunningState state; - - /* This counter is reused for several disjoint loops. */ - int loop_counter; - - BrotliBitReader br; - - brotli_alloc_func alloc_func; - brotli_free_func free_func; - void* memory_manager_opaque; - - /* Temporary storage for remaining input. Brotli stream format is designed in - a way, that 64 bits are enough to make progress in decoding. */ - union { - uint64_t u64; - uint8_t u8[8]; - } buffer; - brotli_reg_t buffer_length; - - int pos; - int max_backward_distance; - int max_distance; - int ringbuffer_size; - int ringbuffer_mask; - int dist_rb_idx; - int dist_rb[4]; - int error_code; - int meta_block_remaining_len; - - uint8_t* ringbuffer; - uint8_t* ringbuffer_end; - HuffmanCode* htree_command; - const uint8_t* context_lookup; - uint8_t* context_map_slice; - uint8_t* dist_context_map_slice; - - /* This ring buffer holds a few past copy distances that will be used by - some special distance codes. */ - HuffmanTreeGroup literal_hgroup; - HuffmanTreeGroup insert_copy_hgroup; - HuffmanTreeGroup distance_hgroup; - HuffmanCode* block_type_trees; - HuffmanCode* block_len_trees; - /* This is true if the literal context map histogram type always matches the - block type. It is then not needed to keep the context (faster decoding). */ - int trivial_literal_context; - /* Distance context is actual after command is decoded and before distance is - computed. After distance computation it is used as a temporary variable. */ - int distance_context; - brotli_reg_t block_length[3]; - brotli_reg_t block_length_index; - brotli_reg_t num_block_types[3]; - brotli_reg_t block_type_rb[6]; - brotli_reg_t distance_postfix_bits; - brotli_reg_t num_direct_distance_codes; - brotli_reg_t num_dist_htrees; - uint8_t* dist_context_map; - HuffmanCode* literal_htree; - - /* For partial write operations. */ - size_t rb_roundtrips; /* how many times we went around the ring-buffer */ - size_t partial_pos_out; /* how much output to the user in total */ - - /* For InverseMoveToFrontTransform. */ - brotli_reg_t mtf_upper_bound; - uint32_t mtf[64 + 1]; - - int copy_length; - int distance_code; - - uint8_t dist_htree_index; - /* TODO(eustas): +3 bytes padding */ - - /* Less used attributes are at the end of this struct. */ - - brotli_decoder_metadata_start_func metadata_start_func; - brotli_decoder_metadata_chunk_func metadata_chunk_func; - void* metadata_callback_opaque; - - /* For reporting. */ - uint64_t used_input; /* how many bytes of input are consumed */ - - /* States inside function calls. */ - BrotliRunningMetablockHeaderState substate_metablock_header; - BrotliRunningUncompressedState substate_uncompressed; - BrotliRunningDecodeUint8State substate_decode_uint8; - BrotliRunningReadBlockLengthState substate_read_block_length; - - int new_ringbuffer_size; - /* TODO(eustas): +4 bytes padding */ - - unsigned int is_last_metablock : 1; - unsigned int is_uncompressed : 1; - unsigned int is_metadata : 1; - unsigned int should_wrap_ringbuffer : 1; - unsigned int canny_ringbuffer_allocation : 1; - unsigned int large_window : 1; - unsigned int window_bits : 6; - unsigned int size_nibbles : 8; - /* TODO(eustas): +12 bits padding */ - - brotli_reg_t num_literal_htrees; - uint8_t* context_map; - uint8_t* context_modes; - - BrotliSharedDictionary* dictionary; - BrotliDecoderCompoundDictionary* compound_dictionary; - - uint32_t trivial_literal_contexts[8]; /* 256 bits */ - - union { - BrotliMetablockHeaderArena header; - BrotliMetablockBodyArena body; - } arena; -}; - -typedef struct BrotliDecoderStateStruct BrotliDecoderStateInternal; -#define BrotliDecoderState BrotliDecoderStateInternal - -BROTLI_INTERNAL BROTLI_BOOL BrotliDecoderStateInit(BrotliDecoderState* s, - brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque); -BROTLI_INTERNAL void BrotliDecoderStateCleanup(BrotliDecoderState* s); -BROTLI_INTERNAL void BrotliDecoderStateMetablockBegin(BrotliDecoderState* s); -BROTLI_INTERNAL void BrotliDecoderStateCleanupAfterMetablock( - BrotliDecoderState* s); -BROTLI_INTERNAL BROTLI_BOOL BrotliDecoderHuffmanTreeGroupInit( - BrotliDecoderState* s, HuffmanTreeGroup* group, - brotli_reg_t alphabet_size_max, brotli_reg_t alphabet_size_limit, - brotli_reg_t ntrees); - -#define BROTLI_DECODER_ALLOC(S, L) S->alloc_func(S->memory_manager_opaque, L) - -#define BROTLI_DECODER_FREE(S, X) { \ - S->free_func(S->memory_manager_opaque, X); \ - X = NULL; \ -} - -/* Literal/Command/Distance block size maximum; same as maximum metablock size; - used as block size when there is no block switching. */ -#define BROTLI_BLOCK_SIZE_CAP (1U << 24) - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_DEC_STATE_H_ */ diff --git a/src/deps/brotli/enc/backward_references.c b/src/deps/brotli/enc/backward_references.c deleted file mode 100644 index f600e6452f..0000000000 --- a/src/deps/brotli/enc/backward_references.c +++ /dev/null @@ -1,207 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Function to find backward reference copies. */ - -#include "backward_references.h" - -#include - -#include "../common/constants.h" -#include "../common/dictionary.h" -#include "../common/platform.h" -#include "command.h" -#include "compound_dictionary.h" -#include "dictionary_hash.h" -#include "encoder_dict.h" -#include "memory.h" -#include "quality.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -static BROTLI_INLINE size_t ComputeDistanceCode(size_t distance, - size_t max_distance, - const int* dist_cache) { - if (distance <= max_distance) { - size_t distance_plus_3 = distance + 3; - size_t offset0 = distance_plus_3 - (size_t)dist_cache[0]; - size_t offset1 = distance_plus_3 - (size_t)dist_cache[1]; - if (distance == (size_t)dist_cache[0]) { - return 0; - } else if (distance == (size_t)dist_cache[1]) { - return 1; - } else if (offset0 < 7) { - return (0x9750468 >> (4 * offset0)) & 0xF; - } else if (offset1 < 7) { - return (0xFDB1ACE >> (4 * offset1)) & 0xF; - } else if (distance == (size_t)dist_cache[2]) { - return 2; - } else if (distance == (size_t)dist_cache[3]) { - return 3; - } - } - return distance + BROTLI_NUM_DISTANCE_SHORT_CODES - 1; -} - -#define EXPAND_CAT(a, b) CAT(a, b) -#define CAT(a, b) a ## b -#define FN(X) EXPAND_CAT(X, HASHER()) -#define EXPORT_FN(X) EXPAND_CAT(X, EXPAND_CAT(PREFIX(), HASHER())) - -#define PREFIX() N -#define ENABLE_COMPOUND_DICTIONARY 0 - -#define HASHER() H2 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER - -#define HASHER() H3 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER - -#define HASHER() H4 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER - -#define HASHER() H5 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER - -#define HASHER() H6 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER - -#define HASHER() H40 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER - -#define HASHER() H41 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER - -#define HASHER() H42 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER - -#define HASHER() H54 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER - -#define HASHER() H35 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER - -#define HASHER() H55 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER - -#define HASHER() H65 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER - -#undef ENABLE_COMPOUND_DICTIONARY -#undef PREFIX -#define PREFIX() D -#define ENABLE_COMPOUND_DICTIONARY 1 - -#define HASHER() H5 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER -#define HASHER() H6 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER -#define HASHER() H40 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER -#define HASHER() H41 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER -#define HASHER() H42 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER -#define HASHER() H55 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER -#define HASHER() H65 -/* NOLINTNEXTLINE(build/include) */ -#include "backward_references_inc.h" -#undef HASHER - -#undef ENABLE_COMPOUND_DICTIONARY -#undef PREFIX - -#undef EXPORT_FN -#undef FN -#undef CAT -#undef EXPAND_CAT - -void BrotliCreateBackwardReferences(size_t num_bytes, - size_t position, const uint8_t* ringbuffer, size_t ringbuffer_mask, - ContextLut literal_context_lut, const BrotliEncoderParams* params, - Hasher* hasher, int* dist_cache, size_t* last_insert_len, - Command* commands, size_t* num_commands, size_t* num_literals) { - if (params->dictionary.compound.num_chunks != 0) { - switch (params->hasher.type) { -#define CASE_(N) \ - case N: \ - CreateBackwardReferencesDH ## N(num_bytes, \ - position, ringbuffer, ringbuffer_mask, \ - literal_context_lut, params, hasher, dist_cache, \ - last_insert_len, commands, num_commands, num_literals); \ - return; - CASE_(5) - CASE_(6) - CASE_(40) - CASE_(41) - CASE_(42) - CASE_(55) - CASE_(65) -#undef CASE_ - default: - BROTLI_DCHECK(false); - break; - } - } - - switch (params->hasher.type) { -#define CASE_(N) \ - case N: \ - CreateBackwardReferencesNH ## N(num_bytes, \ - position, ringbuffer, ringbuffer_mask, \ - literal_context_lut, params, hasher, dist_cache, \ - last_insert_len, commands, num_commands, num_literals); \ - return; - FOR_GENERIC_HASHERS(CASE_) -#undef CASE_ - default: - BROTLI_DCHECK(false); - break; - } -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/backward_references.h b/src/deps/brotli/enc/backward_references.h deleted file mode 100644 index 20fb98a4d8..0000000000 --- a/src/deps/brotli/enc/backward_references.h +++ /dev/null @@ -1,40 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Function to find backward reference copies. */ - -#ifndef BROTLI_ENC_BACKWARD_REFERENCES_H_ -#define BROTLI_ENC_BACKWARD_REFERENCES_H_ - -#include - -#include "../common/constants.h" -#include "../common/context.h" -#include "../common/dictionary.h" -#include "../common/platform.h" -#include "command.h" -#include "hash.h" -#include "quality.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/* "commands" points to the next output command to write to, "*num_commands" is - initially the total amount of commands output by previous - CreateBackwardReferences calls, and must be incremented by the amount written - by this call. */ -BROTLI_INTERNAL void BrotliCreateBackwardReferences(size_t num_bytes, - size_t position, const uint8_t* ringbuffer, size_t ringbuffer_mask, - ContextLut literal_context_lut, const BrotliEncoderParams* params, - Hasher* hasher, int* dist_cache, size_t* last_insert_len, - Command* commands, size_t* num_commands, size_t* num_literals); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_BACKWARD_REFERENCES_H_ */ diff --git a/src/deps/brotli/enc/backward_references_hq.c b/src/deps/brotli/enc/backward_references_hq.c deleted file mode 100644 index 6325032e1c..0000000000 --- a/src/deps/brotli/enc/backward_references_hq.c +++ /dev/null @@ -1,939 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Function to find backward reference copies. */ - -#include "backward_references_hq.h" - -#include /* memcpy, memset */ - -#include - -#include "../common/constants.h" -#include "../common/platform.h" -#include "command.h" -#include "compound_dictionary.h" -#include "encoder_dict.h" -#include "fast_log.h" -#include "find_match_length.h" -#include "literal_cost.h" -#include "memory.h" -#include "params.h" -#include "prefix.h" -#include "quality.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/* BrotliCalculateDistanceCodeLimit(BROTLI_MAX_ALLOWED_DISTANCE, 3, 120). */ -#define BROTLI_MAX_EFFECTIVE_DISTANCE_ALPHABET_SIZE 544 - -static const float kInfinity = 1.7e38f; /* ~= 2 ^ 127 */ - -static const uint32_t kDistanceCacheIndex[] = { - 0, 1, 2, 3, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, -}; -static const int kDistanceCacheOffset[] = { - 0, 0, 0, 0, -1, 1, -2, 2, -3, 3, -1, 1, -2, 2, -3, 3 -}; - -void BrotliInitZopfliNodes(ZopfliNode* array, size_t length) { - ZopfliNode stub; - size_t i; - stub.length = 1; - stub.distance = 0; - stub.dcode_insert_length = 0; - stub.u.cost = kInfinity; - for (i = 0; i < length; ++i) array[i] = stub; -} - -static BROTLI_INLINE uint32_t ZopfliNodeCopyLength(const ZopfliNode* self) { - return self->length & 0x1FFFFFF; -} - -static BROTLI_INLINE uint32_t ZopfliNodeLengthCode(const ZopfliNode* self) { - const uint32_t modifier = self->length >> 25; - return ZopfliNodeCopyLength(self) + 9u - modifier; -} - -static BROTLI_INLINE uint32_t ZopfliNodeCopyDistance(const ZopfliNode* self) { - return self->distance; -} - -static BROTLI_INLINE uint32_t ZopfliNodeDistanceCode(const ZopfliNode* self) { - const uint32_t short_code = self->dcode_insert_length >> 27; - return short_code == 0 ? - ZopfliNodeCopyDistance(self) + BROTLI_NUM_DISTANCE_SHORT_CODES - 1 : - short_code - 1; -} - -static BROTLI_INLINE uint32_t ZopfliNodeCommandLength(const ZopfliNode* self) { - return ZopfliNodeCopyLength(self) + (self->dcode_insert_length & 0x7FFFFFF); -} - -/* Temporary data for ZopfliCostModelSetFromCommands. */ -typedef struct ZopfliCostModelArena { - uint32_t histogram_literal[BROTLI_NUM_LITERAL_SYMBOLS]; - uint32_t histogram_cmd[BROTLI_NUM_COMMAND_SYMBOLS]; - uint32_t histogram_dist[BROTLI_MAX_EFFECTIVE_DISTANCE_ALPHABET_SIZE]; - float cost_literal[BROTLI_NUM_LITERAL_SYMBOLS]; -} ZopfliCostModelArena; - -/* Histogram based cost model for zopflification. */ -typedef struct ZopfliCostModel { - /* The insert and copy length symbols. */ - float cost_cmd_[BROTLI_NUM_COMMAND_SYMBOLS]; - float* cost_dist_; - uint32_t distance_histogram_size; - /* Cumulative costs of literals per position in the stream. */ - float* literal_costs_; - float min_cost_cmd_; - size_t num_bytes_; - - /* Temporary data. */ - union { - size_t literal_histograms[3 * 256]; - ZopfliCostModelArena arena; - }; -} ZopfliCostModel; - -static void InitZopfliCostModel( - MemoryManager* m, ZopfliCostModel* self, const BrotliDistanceParams* dist, - size_t num_bytes) { - self->num_bytes_ = num_bytes; - self->literal_costs_ = BROTLI_ALLOC(m, float, num_bytes + 2); - self->cost_dist_ = BROTLI_ALLOC(m, float, dist->alphabet_size_limit); - self->distance_histogram_size = dist->alphabet_size_limit; - if (BROTLI_IS_OOM(m)) return; -} - -static void CleanupZopfliCostModel(MemoryManager* m, ZopfliCostModel* self) { - BROTLI_FREE(m, self->literal_costs_); - BROTLI_FREE(m, self->cost_dist_); -} - -static void SetCost(const uint32_t* histogram, size_t histogram_size, - BROTLI_BOOL literal_histogram, float* cost) { - size_t sum = 0; - size_t missing_symbol_sum; - float log2sum; - float missing_symbol_cost; - size_t i; - for (i = 0; i < histogram_size; i++) { - sum += histogram[i]; - } - log2sum = (float)FastLog2(sum); - missing_symbol_sum = sum; - if (!literal_histogram) { - for (i = 0; i < histogram_size; i++) { - if (histogram[i] == 0) missing_symbol_sum++; - } - } - missing_symbol_cost = (float)FastLog2(missing_symbol_sum) + 2; - for (i = 0; i < histogram_size; i++) { - if (histogram[i] == 0) { - cost[i] = missing_symbol_cost; - continue; - } - - /* Shannon bits for this symbol. */ - cost[i] = log2sum - (float)FastLog2(histogram[i]); - - /* Cannot be coded with less than 1 bit */ - if (cost[i] < 1) cost[i] = 1; - } -} - -static void ZopfliCostModelSetFromCommands(ZopfliCostModel* self, - size_t position, - const uint8_t* ringbuffer, - size_t ringbuffer_mask, - const Command* commands, - size_t num_commands, - size_t last_insert_len) { - ZopfliCostModelArena* arena = &self->arena; - size_t pos = position - last_insert_len; - float min_cost_cmd = kInfinity; - size_t i; - float* cost_cmd = self->cost_cmd_; - - memset(arena->histogram_literal, 0, sizeof(arena->histogram_literal)); - memset(arena->histogram_cmd, 0, sizeof(arena->histogram_cmd)); - memset(arena->histogram_dist, 0, sizeof(arena->histogram_dist)); - - for (i = 0; i < num_commands; i++) { - size_t inslength = commands[i].insert_len_; - size_t copylength = CommandCopyLen(&commands[i]); - size_t distcode = commands[i].dist_prefix_ & 0x3FF; - size_t cmdcode = commands[i].cmd_prefix_; - size_t j; - - arena->histogram_cmd[cmdcode]++; - if (cmdcode >= 128) arena->histogram_dist[distcode]++; - - for (j = 0; j < inslength; j++) { - arena->histogram_literal[ringbuffer[(pos + j) & ringbuffer_mask]]++; - } - - pos += inslength + copylength; - } - - SetCost(arena->histogram_literal, BROTLI_NUM_LITERAL_SYMBOLS, BROTLI_TRUE, - arena->cost_literal); - SetCost(arena->histogram_cmd, BROTLI_NUM_COMMAND_SYMBOLS, BROTLI_FALSE, - cost_cmd); - SetCost(arena->histogram_dist, self->distance_histogram_size, BROTLI_FALSE, - self->cost_dist_); - - for (i = 0; i < BROTLI_NUM_COMMAND_SYMBOLS; ++i) { - min_cost_cmd = BROTLI_MIN(float, min_cost_cmd, cost_cmd[i]); - } - self->min_cost_cmd_ = min_cost_cmd; - - { - float* literal_costs = self->literal_costs_; - float literal_carry = 0.0; - size_t num_bytes = self->num_bytes_; - literal_costs[0] = 0.0; - for (i = 0; i < num_bytes; ++i) { - literal_carry += - arena->cost_literal[ringbuffer[(position + i) & ringbuffer_mask]]; - literal_costs[i + 1] = literal_costs[i] + literal_carry; - literal_carry -= literal_costs[i + 1] - literal_costs[i]; - } - } -} - -static void ZopfliCostModelSetFromLiteralCosts(ZopfliCostModel* self, - size_t position, - const uint8_t* ringbuffer, - size_t ringbuffer_mask) { - float* literal_costs = self->literal_costs_; - float literal_carry = 0.0; - float* cost_dist = self->cost_dist_; - float* cost_cmd = self->cost_cmd_; - size_t num_bytes = self->num_bytes_; - size_t i; - BrotliEstimateBitCostsForLiterals(position, num_bytes, ringbuffer_mask, - ringbuffer, self->literal_histograms, - &literal_costs[1]); - literal_costs[0] = 0.0; - for (i = 0; i < num_bytes; ++i) { - literal_carry += literal_costs[i + 1]; - literal_costs[i + 1] = literal_costs[i] + literal_carry; - literal_carry -= literal_costs[i + 1] - literal_costs[i]; - } - for (i = 0; i < BROTLI_NUM_COMMAND_SYMBOLS; ++i) { - cost_cmd[i] = (float)FastLog2(11 + (uint32_t)i); - } - for (i = 0; i < self->distance_histogram_size; ++i) { - cost_dist[i] = (float)FastLog2(20 + (uint32_t)i); - } - self->min_cost_cmd_ = (float)FastLog2(11); -} - -static BROTLI_INLINE float ZopfliCostModelGetCommandCost( - const ZopfliCostModel* self, uint16_t cmdcode) { - return self->cost_cmd_[cmdcode]; -} - -static BROTLI_INLINE float ZopfliCostModelGetDistanceCost( - const ZopfliCostModel* self, size_t distcode) { - return self->cost_dist_[distcode]; -} - -static BROTLI_INLINE float ZopfliCostModelGetLiteralCosts( - const ZopfliCostModel* self, size_t from, size_t to) { - return self->literal_costs_[to] - self->literal_costs_[from]; -} - -static BROTLI_INLINE float ZopfliCostModelGetMinCostCmd( - const ZopfliCostModel* self) { - return self->min_cost_cmd_; -} - -/* REQUIRES: len >= 2, start_pos <= pos */ -/* REQUIRES: cost < kInfinity, nodes[start_pos].cost < kInfinity */ -/* Maintains the "ZopfliNode array invariant". */ -static BROTLI_INLINE void UpdateZopfliNode(ZopfliNode* nodes, size_t pos, - size_t start_pos, size_t len, size_t len_code, size_t dist, - size_t short_code, float cost) { - ZopfliNode* next = &nodes[pos + len]; - next->length = (uint32_t)(len | ((len + 9u - len_code) << 25)); - next->distance = (uint32_t)dist; - next->dcode_insert_length = (uint32_t)( - (short_code << 27) | (pos - start_pos)); - next->u.cost = cost; -} - -typedef struct PosData { - size_t pos; - int distance_cache[4]; - float costdiff; - float cost; -} PosData; - -/* Maintains the smallest 8 cost difference together with their positions */ -typedef struct StartPosQueue { - PosData q_[8]; - size_t idx_; -} StartPosQueue; - -static BROTLI_INLINE void InitStartPosQueue(StartPosQueue* self) { - self->idx_ = 0; -} - -static size_t StartPosQueueSize(const StartPosQueue* self) { - return BROTLI_MIN(size_t, self->idx_, 8); -} - -static void StartPosQueuePush(StartPosQueue* self, const PosData* posdata) { - size_t offset = ~(self->idx_++) & 7; - size_t len = StartPosQueueSize(self); - size_t i; - PosData* q = self->q_; - q[offset] = *posdata; - /* Restore the sorted order. In the list of |len| items at most |len - 1| - adjacent element comparisons / swaps are required. */ - for (i = 1; i < len; ++i) { - if (q[offset & 7].costdiff > q[(offset + 1) & 7].costdiff) { - BROTLI_SWAP(PosData, q, offset & 7, (offset + 1) & 7); - } - ++offset; - } -} - -static const PosData* StartPosQueueAt(const StartPosQueue* self, size_t k) { - return &self->q_[(k - self->idx_) & 7]; -} - -/* Returns the minimum possible copy length that can improve the cost of any */ -/* future position. */ -static size_t ComputeMinimumCopyLength(const float start_cost, - const ZopfliNode* nodes, - const size_t num_bytes, - const size_t pos) { - /* Compute the minimum possible cost of reaching any future position. */ - float min_cost = start_cost; - size_t len = 2; - size_t next_len_bucket = 4; - size_t next_len_offset = 10; - while (pos + len <= num_bytes && nodes[pos + len].u.cost <= min_cost) { - /* We already reached (pos + len) with no more cost than the minimum - possible cost of reaching anything from this pos, so there is no point in - looking for lengths <= len. */ - ++len; - if (len == next_len_offset) { - /* We reached the next copy length code bucket, so we add one more - extra bit to the minimum cost. */ - min_cost += 1.0f; - next_len_offset += next_len_bucket; - next_len_bucket *= 2; - } - } - return len; -} - -/* REQUIRES: nodes[pos].cost < kInfinity - REQUIRES: nodes[0..pos] satisfies that "ZopfliNode array invariant". */ -static uint32_t ComputeDistanceShortcut(const size_t block_start, - const size_t pos, - const size_t max_backward_limit, - const size_t gap, - const ZopfliNode* nodes) { - const size_t clen = ZopfliNodeCopyLength(&nodes[pos]); - const size_t ilen = nodes[pos].dcode_insert_length & 0x7FFFFFF; - const size_t dist = ZopfliNodeCopyDistance(&nodes[pos]); - /* Since |block_start + pos| is the end position of the command, the copy part - starts from |block_start + pos - clen|. Distances that are greater than - this or greater than |max_backward_limit| + |gap| are static dictionary - references, and do not update the last distances. - Also distance code 0 (last distance) does not update the last distances. */ - if (pos == 0) { - return 0; - } else if (dist + clen <= block_start + pos + gap && - dist <= max_backward_limit + gap && - ZopfliNodeDistanceCode(&nodes[pos]) > 0) { - return (uint32_t)pos; - } else { - return nodes[pos - clen - ilen].u.shortcut; - } -} - -/* Fills in dist_cache[0..3] with the last four distances (as defined by - Section 4. of the Spec) that would be used at (block_start + pos) if we - used the shortest path of commands from block_start, computed from - nodes[0..pos]. The last four distances at block_start are in - starting_dist_cache[0..3]. - REQUIRES: nodes[pos].cost < kInfinity - REQUIRES: nodes[0..pos] satisfies that "ZopfliNode array invariant". */ -static void ComputeDistanceCache(const size_t pos, - const int* starting_dist_cache, - const ZopfliNode* nodes, - int* dist_cache) { - int idx = 0; - size_t p = nodes[pos].u.shortcut; - while (idx < 4 && p > 0) { - const size_t ilen = nodes[p].dcode_insert_length & 0x7FFFFFF; - const size_t clen = ZopfliNodeCopyLength(&nodes[p]); - const size_t dist = ZopfliNodeCopyDistance(&nodes[p]); - dist_cache[idx++] = (int)dist; - /* Because of prerequisite, p >= clen + ilen >= 2. */ - p = nodes[p - clen - ilen].u.shortcut; - } - for (; idx < 4; ++idx) { - dist_cache[idx] = *starting_dist_cache++; - } -} - -/* Maintains "ZopfliNode array invariant" and pushes node to the queue, if it - is eligible. */ -static void EvaluateNode( - const size_t block_start, const size_t pos, const size_t max_backward_limit, - const size_t gap, const int* starting_dist_cache, - const ZopfliCostModel* model, StartPosQueue* queue, ZopfliNode* nodes) { - /* Save cost, because ComputeDistanceCache invalidates it. */ - float node_cost = nodes[pos].u.cost; - nodes[pos].u.shortcut = ComputeDistanceShortcut( - block_start, pos, max_backward_limit, gap, nodes); - if (node_cost <= ZopfliCostModelGetLiteralCosts(model, 0, pos)) { - PosData posdata; - posdata.pos = pos; - posdata.cost = node_cost; - posdata.costdiff = node_cost - - ZopfliCostModelGetLiteralCosts(model, 0, pos); - ComputeDistanceCache( - pos, starting_dist_cache, nodes, posdata.distance_cache); - StartPosQueuePush(queue, &posdata); - } -} - -/* Returns longest copy length. */ -static size_t UpdateNodes( - const size_t num_bytes, const size_t block_start, const size_t pos, - const uint8_t* ringbuffer, const size_t ringbuffer_mask, - const BrotliEncoderParams* params, const size_t max_backward_limit, - const int* starting_dist_cache, const size_t num_matches, - const BackwardMatch* matches, const ZopfliCostModel* model, - StartPosQueue* queue, ZopfliNode* nodes) { - const size_t stream_offset = params->stream_offset; - const size_t cur_ix = block_start + pos; - const size_t cur_ix_masked = cur_ix & ringbuffer_mask; - const size_t max_distance = BROTLI_MIN(size_t, cur_ix, max_backward_limit); - const size_t dictionary_start = BROTLI_MIN(size_t, - cur_ix + stream_offset, max_backward_limit); - const size_t max_len = num_bytes - pos; - const size_t max_zopfli_len = MaxZopfliLen(params); - const size_t max_iters = MaxZopfliCandidates(params); - size_t min_len; - size_t result = 0; - size_t k; - const CompoundDictionary* addon = ¶ms->dictionary.compound; - size_t gap = addon->total_size; - - EvaluateNode(block_start + stream_offset, pos, max_backward_limit, gap, - starting_dist_cache, model, queue, nodes); - - { - const PosData* posdata = StartPosQueueAt(queue, 0); - float min_cost = (posdata->cost + ZopfliCostModelGetMinCostCmd(model) + - ZopfliCostModelGetLiteralCosts(model, posdata->pos, pos)); - min_len = ComputeMinimumCopyLength(min_cost, nodes, num_bytes, pos); - } - - /* Go over the command starting positions in order of increasing cost - difference. */ - for (k = 0; k < max_iters && k < StartPosQueueSize(queue); ++k) { - const PosData* posdata = StartPosQueueAt(queue, k); - const size_t start = posdata->pos; - const uint16_t inscode = GetInsertLengthCode(pos - start); - const float start_costdiff = posdata->costdiff; - const float base_cost = start_costdiff + (float)GetInsertExtra(inscode) + - ZopfliCostModelGetLiteralCosts(model, 0, pos); - - /* Look for last distance matches using the distance cache from this - starting position. */ - size_t best_len = min_len - 1; - size_t j = 0; - for (; j < BROTLI_NUM_DISTANCE_SHORT_CODES && best_len < max_len; ++j) { - const size_t idx = kDistanceCacheIndex[j]; - const size_t backward = - (size_t)(posdata->distance_cache[idx] + kDistanceCacheOffset[j]); - size_t prev_ix = cur_ix - backward; - size_t len = 0; - uint8_t continuation = ringbuffer[cur_ix_masked + best_len]; - if (cur_ix_masked + best_len > ringbuffer_mask) { - break; - } - if (BROTLI_PREDICT_FALSE(backward > dictionary_start + gap)) { - /* Word dictionary -> ignore. */ - continue; - } - if (backward <= max_distance) { - /* Regular backward reference. */ - if (prev_ix >= cur_ix) { - continue; - } - - prev_ix &= ringbuffer_mask; - if (prev_ix + best_len > ringbuffer_mask || - continuation != ringbuffer[prev_ix + best_len]) { - continue; - } - len = FindMatchLengthWithLimit(&ringbuffer[prev_ix], - &ringbuffer[cur_ix_masked], - max_len); - } else if (backward > dictionary_start) { - size_t d = 0; - size_t offset; - size_t limit; - const uint8_t* source; - offset = dictionary_start + 1 + addon->total_size - 1; - while (offset >= backward + addon->chunk_offsets[d + 1]) d++; - source = addon->chunk_source[d]; - offset = offset - addon->chunk_offsets[d] - backward; - limit = addon->chunk_offsets[d + 1] - addon->chunk_offsets[d] - offset; - limit = limit > max_len ? max_len : limit; - if (best_len >= limit || - continuation != source[offset + best_len]) { - continue; - } - len = FindMatchLengthWithLimit(&source[offset], - &ringbuffer[cur_ix_masked], - limit); - } else { - /* "Gray" area. It is addressable by decoder, but this encoder - instance does not have that data -> should not touch it. */ - continue; - } - { - const float dist_cost = base_cost + - ZopfliCostModelGetDistanceCost(model, j); - size_t l; - for (l = best_len + 1; l <= len; ++l) { - const uint16_t copycode = GetCopyLengthCode(l); - const uint16_t cmdcode = - CombineLengthCodes(inscode, copycode, j == 0); - const float cost = (cmdcode < 128 ? base_cost : dist_cost) + - (float)GetCopyExtra(copycode) + - ZopfliCostModelGetCommandCost(model, cmdcode); - if (cost < nodes[pos + l].u.cost) { - UpdateZopfliNode(nodes, pos, start, l, l, backward, j + 1, cost); - result = BROTLI_MAX(size_t, result, l); - } - best_len = l; - } - } - } - - /* At higher iterations look only for new last distance matches, since - looking only for new command start positions with the same distances - does not help much. */ - if (k >= 2) continue; - - { - /* Loop through all possible copy lengths at this position. */ - size_t len = min_len; - for (j = 0; j < num_matches; ++j) { - BackwardMatch match = matches[j]; - size_t dist = match.distance; - BROTLI_BOOL is_dictionary_match = - TO_BROTLI_BOOL(dist > dictionary_start + gap); - /* We already tried all possible last distance matches, so we can use - normal distance code here. */ - size_t dist_code = dist + BROTLI_NUM_DISTANCE_SHORT_CODES - 1; - uint16_t dist_symbol; - uint32_t distextra; - uint32_t distnumextra; - float dist_cost; - size_t max_match_len; - PrefixEncodeCopyDistance( - dist_code, params->dist.num_direct_distance_codes, - params->dist.distance_postfix_bits, &dist_symbol, &distextra); - distnumextra = dist_symbol >> 10; - dist_cost = base_cost + (float)distnumextra + - ZopfliCostModelGetDistanceCost(model, dist_symbol & 0x3FF); - - /* Try all copy lengths up until the maximum copy length corresponding - to this distance. If the distance refers to the static dictionary, or - the maximum length is long enough, try only one maximum length. */ - max_match_len = BackwardMatchLength(&match); - if (len < max_match_len && - (is_dictionary_match || max_match_len > max_zopfli_len)) { - len = max_match_len; - } - for (; len <= max_match_len; ++len) { - const size_t len_code = - is_dictionary_match ? BackwardMatchLengthCode(&match) : len; - const uint16_t copycode = GetCopyLengthCode(len_code); - const uint16_t cmdcode = CombineLengthCodes(inscode, copycode, 0); - const float cost = dist_cost + (float)GetCopyExtra(copycode) + - ZopfliCostModelGetCommandCost(model, cmdcode); - if (cost < nodes[pos + len].u.cost) { - UpdateZopfliNode(nodes, pos, start, len, len_code, dist, 0, cost); - result = BROTLI_MAX(size_t, result, len); - } - } - } - } - } - return result; -} - -static size_t ComputeShortestPathFromNodes(size_t num_bytes, - ZopfliNode* nodes) { - size_t index = num_bytes; - size_t num_commands = 0; - while ((nodes[index].dcode_insert_length & 0x7FFFFFF) == 0 && - nodes[index].length == 1) --index; - nodes[index].u.next = BROTLI_UINT32_MAX; - while (index != 0) { - size_t len = ZopfliNodeCommandLength(&nodes[index]); - index -= len; - nodes[index].u.next = (uint32_t)len; - num_commands++; - } - return num_commands; -} - -/* REQUIRES: nodes != NULL and len(nodes) >= num_bytes + 1 */ -void BrotliZopfliCreateCommands(const size_t num_bytes, - const size_t block_start, const ZopfliNode* nodes, int* dist_cache, - size_t* last_insert_len, const BrotliEncoderParams* params, - Command* commands, size_t* num_literals) { - const size_t stream_offset = params->stream_offset; - const size_t max_backward_limit = BROTLI_MAX_BACKWARD_LIMIT(params->lgwin); - size_t pos = 0; - uint32_t offset = nodes[0].u.next; - size_t i; - size_t gap = params->dictionary.compound.total_size; - for (i = 0; offset != BROTLI_UINT32_MAX; i++) { - const ZopfliNode* next = &nodes[pos + offset]; - size_t copy_length = ZopfliNodeCopyLength(next); - size_t insert_length = next->dcode_insert_length & 0x7FFFFFF; - pos += insert_length; - offset = next->u.next; - if (i == 0) { - insert_length += *last_insert_len; - *last_insert_len = 0; - } - { - size_t distance = ZopfliNodeCopyDistance(next); - size_t len_code = ZopfliNodeLengthCode(next); - size_t dictionary_start = BROTLI_MIN(size_t, - block_start + pos + stream_offset, max_backward_limit); - BROTLI_BOOL is_dictionary = - TO_BROTLI_BOOL(distance > dictionary_start + gap); - size_t dist_code = ZopfliNodeDistanceCode(next); - InitCommand(&commands[i], ¶ms->dist, insert_length, - copy_length, (int)len_code - (int)copy_length, dist_code); - - if (!is_dictionary && dist_code > 0) { - dist_cache[3] = dist_cache[2]; - dist_cache[2] = dist_cache[1]; - dist_cache[1] = dist_cache[0]; - dist_cache[0] = (int)distance; - } - } - - *num_literals += insert_length; - pos += copy_length; - } - *last_insert_len += num_bytes - pos; -} - -static size_t ZopfliIterate(size_t num_bytes, size_t position, - const uint8_t* ringbuffer, size_t ringbuffer_mask, - const BrotliEncoderParams* params, const size_t gap, const int* dist_cache, - const ZopfliCostModel* model, const uint32_t* num_matches, - const BackwardMatch* matches, ZopfliNode* nodes) { - const size_t stream_offset = params->stream_offset; - const size_t max_backward_limit = BROTLI_MAX_BACKWARD_LIMIT(params->lgwin); - const size_t max_zopfli_len = MaxZopfliLen(params); - StartPosQueue queue; - size_t cur_match_pos = 0; - size_t i; - nodes[0].length = 0; - nodes[0].u.cost = 0; - InitStartPosQueue(&queue); - for (i = 0; i + 3 < num_bytes; i++) { - size_t skip = UpdateNodes(num_bytes, position, i, ringbuffer, - ringbuffer_mask, params, max_backward_limit, dist_cache, - num_matches[i], &matches[cur_match_pos], model, &queue, nodes); - if (skip < BROTLI_LONG_COPY_QUICK_STEP) skip = 0; - cur_match_pos += num_matches[i]; - if (num_matches[i] == 1 && - BackwardMatchLength(&matches[cur_match_pos - 1]) > max_zopfli_len) { - skip = BROTLI_MAX(size_t, - BackwardMatchLength(&matches[cur_match_pos - 1]), skip); - } - if (skip > 1) { - skip--; - while (skip) { - i++; - if (i + 3 >= num_bytes) break; - EvaluateNode(position + stream_offset, i, max_backward_limit, gap, - dist_cache, model, &queue, nodes); - cur_match_pos += num_matches[i]; - skip--; - } - } - } - return ComputeShortestPathFromNodes(num_bytes, nodes); -} - -static void MergeMatches(BackwardMatch* dst, - BackwardMatch* src1, size_t len1, BackwardMatch* src2, size_t len2) { - while (len1 > 0 && len2 > 0) { - size_t l1 = BackwardMatchLength(src1); - size_t l2 = BackwardMatchLength(src2); - if (l1 < l2 || ((l1 == l2) && (src1->distance < src2->distance))) { - *dst++ = *src1++; - len1--; - } else { - *dst++ = *src2++; - len2--; - } - } - while (len1-- > 0) *dst++ = *src1++; - while (len2-- > 0) *dst++ = *src2++; -} - -/* REQUIRES: nodes != NULL and len(nodes) >= num_bytes + 1 */ -size_t BrotliZopfliComputeShortestPath(MemoryManager* m, size_t num_bytes, - size_t position, const uint8_t* ringbuffer, size_t ringbuffer_mask, - ContextLut literal_context_lut, const BrotliEncoderParams* params, - const int* dist_cache, Hasher* hasher, ZopfliNode* nodes) { - const size_t stream_offset = params->stream_offset; - const size_t max_backward_limit = BROTLI_MAX_BACKWARD_LIMIT(params->lgwin); - const size_t max_zopfli_len = MaxZopfliLen(params); - StartPosQueue queue; - BackwardMatch* BROTLI_RESTRICT matches = - BROTLI_ALLOC(m, BackwardMatch, 2 * (MAX_NUM_MATCHES_H10 + 64)); - const size_t store_end = num_bytes >= StoreLookaheadH10() ? - position + num_bytes - StoreLookaheadH10() + 1 : position; - size_t i; - const CompoundDictionary* addon = ¶ms->dictionary.compound; - size_t gap = addon->total_size; - size_t lz_matches_offset = - (addon->num_chunks != 0) ? (MAX_NUM_MATCHES_H10 + 128) : 0; - ZopfliCostModel* model = BROTLI_ALLOC(m, ZopfliCostModel, 1); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(model) || BROTLI_IS_NULL(matches)) { - return 0; - } - nodes[0].length = 0; - nodes[0].u.cost = 0; - InitZopfliCostModel(m, model, ¶ms->dist, num_bytes); - if (BROTLI_IS_OOM(m)) return 0; - ZopfliCostModelSetFromLiteralCosts( - model, position, ringbuffer, ringbuffer_mask); - InitStartPosQueue(&queue); - for (i = 0; i + HashTypeLengthH10() - 1 < num_bytes; i++) { - const size_t pos = position + i; - const size_t max_distance = BROTLI_MIN(size_t, pos, max_backward_limit); - const size_t dictionary_start = BROTLI_MIN(size_t, - pos + stream_offset, max_backward_limit); - size_t skip; - size_t num_matches; - int dict_id = 0; - if (params->dictionary.contextual.context_based) { - uint8_t p1 = pos >= 1 ? - ringbuffer[(size_t)(pos - 1) & ringbuffer_mask] : 0; - uint8_t p2 = pos >= 2 ? - ringbuffer[(size_t)(pos - 2) & ringbuffer_mask] : 0; - dict_id = params->dictionary.contextual.context_map[ - BROTLI_CONTEXT(p1, p2, literal_context_lut)]; - } - num_matches = FindAllMatchesH10(&hasher->privat._H10, - params->dictionary.contextual.dict[dict_id], - ringbuffer, ringbuffer_mask, pos, num_bytes - i, max_distance, - dictionary_start + gap, params, &matches[lz_matches_offset]); - if (addon->num_chunks != 0) { - size_t cd_matches = LookupAllCompoundDictionaryMatches(addon, - ringbuffer, ringbuffer_mask, pos, 3, num_bytes - i, - dictionary_start, params->dist.max_distance, - &matches[lz_matches_offset - 64], 64); - MergeMatches(matches, &matches[lz_matches_offset - 64], cd_matches, - &matches[lz_matches_offset], num_matches); - num_matches += cd_matches; - } - if (num_matches > 0 && - BackwardMatchLength(&matches[num_matches - 1]) > max_zopfli_len) { - matches[0] = matches[num_matches - 1]; - num_matches = 1; - } - skip = UpdateNodes(num_bytes, position, i, ringbuffer, ringbuffer_mask, - params, max_backward_limit, dist_cache, num_matches, matches, model, - &queue, nodes); - if (skip < BROTLI_LONG_COPY_QUICK_STEP) skip = 0; - if (num_matches == 1 && BackwardMatchLength(&matches[0]) > max_zopfli_len) { - skip = BROTLI_MAX(size_t, BackwardMatchLength(&matches[0]), skip); - } - if (skip > 1) { - /* Add the tail of the copy to the hasher. */ - StoreRangeH10(&hasher->privat._H10, - ringbuffer, ringbuffer_mask, pos + 1, BROTLI_MIN( - size_t, pos + skip, store_end)); - skip--; - while (skip) { - i++; - if (i + HashTypeLengthH10() - 1 >= num_bytes) break; - EvaluateNode(position + stream_offset, i, max_backward_limit, gap, - dist_cache, model, &queue, nodes); - skip--; - } - } - } - CleanupZopfliCostModel(m, model); - BROTLI_FREE(m, model); - BROTLI_FREE(m, matches); - return ComputeShortestPathFromNodes(num_bytes, nodes); -} - -void BrotliCreateZopfliBackwardReferences(MemoryManager* m, size_t num_bytes, - size_t position, const uint8_t* ringbuffer, size_t ringbuffer_mask, - ContextLut literal_context_lut, const BrotliEncoderParams* params, - Hasher* hasher, int* dist_cache, size_t* last_insert_len, - Command* commands, size_t* num_commands, size_t* num_literals) { - ZopfliNode* nodes = BROTLI_ALLOC(m, ZopfliNode, num_bytes + 1); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(nodes)) return; - BrotliInitZopfliNodes(nodes, num_bytes + 1); - *num_commands += BrotliZopfliComputeShortestPath(m, num_bytes, - position, ringbuffer, ringbuffer_mask, literal_context_lut, params, - dist_cache, hasher, nodes); - if (BROTLI_IS_OOM(m)) return; - BrotliZopfliCreateCommands(num_bytes, position, nodes, dist_cache, - last_insert_len, params, commands, num_literals); - BROTLI_FREE(m, nodes); -} - -void BrotliCreateHqZopfliBackwardReferences(MemoryManager* m, size_t num_bytes, - size_t position, const uint8_t* ringbuffer, size_t ringbuffer_mask, - ContextLut literal_context_lut, const BrotliEncoderParams* params, - Hasher* hasher, int* dist_cache, size_t* last_insert_len, - Command* commands, size_t* num_commands, size_t* num_literals) { - const size_t stream_offset = params->stream_offset; - const size_t max_backward_limit = BROTLI_MAX_BACKWARD_LIMIT(params->lgwin); - uint32_t* num_matches = BROTLI_ALLOC(m, uint32_t, num_bytes); - size_t matches_size = 4 * num_bytes; - const size_t store_end = num_bytes >= StoreLookaheadH10() ? - position + num_bytes - StoreLookaheadH10() + 1 : position; - size_t cur_match_pos = 0; - size_t i; - size_t orig_num_literals; - size_t orig_last_insert_len; - int orig_dist_cache[4]; - size_t orig_num_commands; - ZopfliCostModel* model = BROTLI_ALLOC(m, ZopfliCostModel, 1); - ZopfliNode* nodes; - BackwardMatch* matches = BROTLI_ALLOC(m, BackwardMatch, matches_size); - const CompoundDictionary* addon = ¶ms->dictionary.compound; - size_t gap = addon->total_size; - size_t shadow_matches = - (addon->num_chunks != 0) ? (MAX_NUM_MATCHES_H10 + 128) : 0; - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(model) || - BROTLI_IS_NULL(num_matches) || BROTLI_IS_NULL(matches)) { - return; - } - for (i = 0; i + HashTypeLengthH10() - 1 < num_bytes; ++i) { - const size_t pos = position + i; - size_t max_distance = BROTLI_MIN(size_t, pos, max_backward_limit); - size_t dictionary_start = BROTLI_MIN(size_t, - pos + stream_offset, max_backward_limit); - size_t max_length = num_bytes - i; - size_t num_found_matches; - size_t cur_match_end; - size_t j; - int dict_id = 0; - if (params->dictionary.contextual.context_based) { - uint8_t p1 = pos >= 1 ? - ringbuffer[(size_t)(pos - 1) & ringbuffer_mask] : 0; - uint8_t p2 = pos >= 2 ? - ringbuffer[(size_t)(pos - 2) & ringbuffer_mask] : 0; - dict_id = params->dictionary.contextual.context_map[ - BROTLI_CONTEXT(p1, p2, literal_context_lut)]; - } - /* Ensure that we have enough free slots. */ - BROTLI_ENSURE_CAPACITY(m, BackwardMatch, matches, matches_size, - cur_match_pos + MAX_NUM_MATCHES_H10 + shadow_matches); - if (BROTLI_IS_OOM(m)) return; - num_found_matches = FindAllMatchesH10(&hasher->privat._H10, - params->dictionary.contextual.dict[dict_id], - ringbuffer, ringbuffer_mask, pos, max_length, - max_distance, dictionary_start + gap, params, - &matches[cur_match_pos + shadow_matches]); - if (addon->num_chunks != 0) { - size_t cd_matches = LookupAllCompoundDictionaryMatches(addon, - ringbuffer, ringbuffer_mask, pos, 3, max_length, - dictionary_start, params->dist.max_distance, - &matches[cur_match_pos + shadow_matches - 64], 64); - MergeMatches(&matches[cur_match_pos], - &matches[cur_match_pos + shadow_matches - 64], cd_matches, - &matches[cur_match_pos + shadow_matches], num_found_matches); - num_found_matches += cd_matches; - } - cur_match_end = cur_match_pos + num_found_matches; - for (j = cur_match_pos; j + 1 < cur_match_end; ++j) { - BROTLI_DCHECK(BackwardMatchLength(&matches[j]) <= - BackwardMatchLength(&matches[j + 1])); - } - num_matches[i] = (uint32_t)num_found_matches; - if (num_found_matches > 0) { - const size_t match_len = BackwardMatchLength(&matches[cur_match_end - 1]); - if (match_len > MAX_ZOPFLI_LEN_QUALITY_11) { - const size_t skip = match_len - 1; - matches[cur_match_pos++] = matches[cur_match_end - 1]; - num_matches[i] = 1; - /* Add the tail of the copy to the hasher. */ - StoreRangeH10(&hasher->privat._H10, - ringbuffer, ringbuffer_mask, pos + 1, - BROTLI_MIN(size_t, pos + match_len, store_end)); - memset(&num_matches[i + 1], 0, skip * sizeof(num_matches[0])); - i += skip; - } else { - cur_match_pos = cur_match_end; - } - } - } - orig_num_literals = *num_literals; - orig_last_insert_len = *last_insert_len; - memcpy(orig_dist_cache, dist_cache, 4 * sizeof(dist_cache[0])); - orig_num_commands = *num_commands; - nodes = BROTLI_ALLOC(m, ZopfliNode, num_bytes + 1); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(nodes)) return; - InitZopfliCostModel(m, model, ¶ms->dist, num_bytes); - if (BROTLI_IS_OOM(m)) return; - for (i = 0; i < 2; i++) { - BrotliInitZopfliNodes(nodes, num_bytes + 1); - if (i == 0) { - ZopfliCostModelSetFromLiteralCosts( - model, position, ringbuffer, ringbuffer_mask); - } else { - ZopfliCostModelSetFromCommands(model, position, ringbuffer, - ringbuffer_mask, commands, *num_commands - orig_num_commands, - orig_last_insert_len); - } - *num_commands = orig_num_commands; - *num_literals = orig_num_literals; - *last_insert_len = orig_last_insert_len; - memcpy(dist_cache, orig_dist_cache, 4 * sizeof(dist_cache[0])); - *num_commands += ZopfliIterate(num_bytes, position, ringbuffer, - ringbuffer_mask, params, gap, dist_cache, model, num_matches, matches, - nodes); - BrotliZopfliCreateCommands(num_bytes, position, nodes, dist_cache, - last_insert_len, params, commands, num_literals); - } - CleanupZopfliCostModel(m, model); - BROTLI_FREE(m, model); - BROTLI_FREE(m, nodes); - BROTLI_FREE(m, matches); - BROTLI_FREE(m, num_matches); -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/backward_references_hq.h b/src/deps/brotli/enc/backward_references_hq.h deleted file mode 100644 index 8acf975ab9..0000000000 --- a/src/deps/brotli/enc/backward_references_hq.h +++ /dev/null @@ -1,96 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Function to find backward reference copies. */ - -#ifndef BROTLI_ENC_BACKWARD_REFERENCES_HQ_H_ -#define BROTLI_ENC_BACKWARD_REFERENCES_HQ_H_ - -#include - -#include "../common/constants.h" -#include "../common/context.h" -#include "../common/dictionary.h" -#include "../common/platform.h" -#include "command.h" -#include "hash.h" -#include "memory.h" -#include "quality.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -BROTLI_INTERNAL void BrotliCreateZopfliBackwardReferences(MemoryManager* m, - size_t num_bytes, - size_t position, const uint8_t* ringbuffer, size_t ringbuffer_mask, - ContextLut literal_context_lut, const BrotliEncoderParams* params, - Hasher* hasher, int* dist_cache, size_t* last_insert_len, - Command* commands, size_t* num_commands, size_t* num_literals); - -BROTLI_INTERNAL void BrotliCreateHqZopfliBackwardReferences(MemoryManager* m, - size_t num_bytes, - size_t position, const uint8_t* ringbuffer, size_t ringbuffer_mask, - ContextLut literal_context_lut, const BrotliEncoderParams* params, - Hasher* hasher, int* dist_cache, size_t* last_insert_len, - Command* commands, size_t* num_commands, size_t* num_literals); - -typedef struct ZopfliNode { - /* Best length to get up to this byte (not including this byte itself) - highest 7 bit is used to reconstruct the length code. */ - uint32_t length; - /* Distance associated with the length. */ - uint32_t distance; - /* Number of literal inserts before this copy; highest 5 bits contain - distance short code + 1 (or zero if no short code). */ - uint32_t dcode_insert_length; - - /* This union holds information used by dynamic-programming. During forward - pass |cost| it used to store the goal function. When node is processed its - |cost| is invalidated in favor of |shortcut|. On path back-tracing pass - |next| is assigned the offset to next node on the path. */ - union { - /* Smallest cost to get to this byte from the beginning, as found so far. */ - float cost; - /* Offset to the next node on the path. Equals to command_length() of the - next node on the path. For last node equals to BROTLI_UINT32_MAX */ - uint32_t next; - /* Node position that provides next distance for distance cache. */ - uint32_t shortcut; - } u; -} ZopfliNode; - -BROTLI_INTERNAL void BrotliInitZopfliNodes(ZopfliNode* array, size_t length); - -/* Computes the shortest path of commands from position to at most - position + num_bytes. - - On return, path->size() is the number of commands found and path[i] is the - length of the i-th command (copy length plus insert length). - Note that the sum of the lengths of all commands can be less than num_bytes. - - On return, the nodes[0..num_bytes] array will have the following - "ZopfliNode array invariant": - For each i in [1..num_bytes], if nodes[i].cost < kInfinity, then - (1) nodes[i].copy_length() >= 2 - (2) nodes[i].command_length() <= i and - (3) nodes[i - nodes[i].command_length()].cost < kInfinity */ -BROTLI_INTERNAL size_t BrotliZopfliComputeShortestPath( - MemoryManager* m, size_t num_bytes, - size_t position, const uint8_t* ringbuffer, size_t ringbuffer_mask, - ContextLut literal_context_lut, const BrotliEncoderParams* params, - const int* dist_cache, Hasher* hasher, ZopfliNode* nodes); - -BROTLI_INTERNAL void BrotliZopfliCreateCommands( - const size_t num_bytes, const size_t block_start, const ZopfliNode* nodes, - int* dist_cache, size_t* last_insert_len, const BrotliEncoderParams* params, - Command* commands, size_t* num_literals); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_BACKWARD_REFERENCES_HQ_H_ */ diff --git a/src/deps/brotli/enc/backward_references_inc.h b/src/deps/brotli/enc/backward_references_inc.h deleted file mode 100644 index 752c12e9fd..0000000000 --- a/src/deps/brotli/enc/backward_references_inc.h +++ /dev/null @@ -1,189 +0,0 @@ -/* NOLINT(build/header_guard) */ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* template parameters: EXPORT_FN, FN */ - -static BROTLI_NOINLINE void EXPORT_FN(CreateBackwardReferences)( - size_t num_bytes, size_t position, - const uint8_t* ringbuffer, size_t ringbuffer_mask, - ContextLut literal_context_lut, const BrotliEncoderParams* params, - Hasher* hasher, int* dist_cache, size_t* last_insert_len, - Command* commands, size_t* num_commands, size_t* num_literals) { - HASHER()* privat = &hasher->privat.FN(_); - /* Set maximum distance, see section 9.1. of the spec. */ - const size_t max_backward_limit = BROTLI_MAX_BACKWARD_LIMIT(params->lgwin); - const size_t position_offset = params->stream_offset; - - const Command* const orig_commands = commands; - size_t insert_length = *last_insert_len; - const size_t pos_end = position + num_bytes; - const size_t store_end = num_bytes >= FN(StoreLookahead)() ? - position + num_bytes - FN(StoreLookahead)() + 1 : position; - - /* For speed up heuristics for random data. */ - const size_t random_heuristics_window_size = - LiteralSpreeLengthForSparseSearch(params); - size_t apply_random_heuristics = position + random_heuristics_window_size; - const size_t gap = params->dictionary.compound.total_size; - - /* Minimum score to accept a backward reference. */ - const score_t kMinScore = BROTLI_SCORE_BASE + 100; - - FN(PrepareDistanceCache)(privat, dist_cache); - - while (position + FN(HashTypeLength)() < pos_end) { - size_t max_length = pos_end - position; - size_t max_distance = BROTLI_MIN(size_t, position, max_backward_limit); - size_t dictionary_start = BROTLI_MIN(size_t, - position + position_offset, max_backward_limit); - HasherSearchResult sr; - int dict_id = 0; - uint8_t p1 = 0; - uint8_t p2 = 0; - if (params->dictionary.contextual.context_based) { - p1 = position >= 1 ? - ringbuffer[(size_t)(position - 1) & ringbuffer_mask] : 0; - p2 = position >= 2 ? - ringbuffer[(size_t)(position - 2) & ringbuffer_mask] : 0; - dict_id = params->dictionary.contextual.context_map[ - BROTLI_CONTEXT(p1, p2, literal_context_lut)]; - } - sr.len = 0; - sr.len_code_delta = 0; - sr.distance = 0; - sr.score = kMinScore; - FN(FindLongestMatch)(privat, params->dictionary.contextual.dict[dict_id], - ringbuffer, ringbuffer_mask, dist_cache, position, max_length, - max_distance, dictionary_start + gap, params->dist.max_distance, &sr); - if (ENABLE_COMPOUND_DICTIONARY) { - LookupCompoundDictionaryMatch(¶ms->dictionary.compound, ringbuffer, - ringbuffer_mask, dist_cache, position, max_length, - dictionary_start, params->dist.max_distance, &sr); - } - if (sr.score > kMinScore) { - /* Found a match. Let's look for something even better ahead. */ - int delayed_backward_references_in_row = 0; - --max_length; - for (;; --max_length) { - const score_t cost_diff_lazy = 175; - HasherSearchResult sr2; - sr2.len = params->quality < MIN_QUALITY_FOR_EXTENSIVE_REFERENCE_SEARCH ? - BROTLI_MIN(size_t, sr.len - 1, max_length) : 0; - sr2.len_code_delta = 0; - sr2.distance = 0; - sr2.score = kMinScore; - max_distance = BROTLI_MIN(size_t, position + 1, max_backward_limit); - dictionary_start = BROTLI_MIN(size_t, - position + 1 + position_offset, max_backward_limit); - if (params->dictionary.contextual.context_based) { - p2 = p1; - p1 = ringbuffer[position & ringbuffer_mask]; - dict_id = params->dictionary.contextual.context_map[ - BROTLI_CONTEXT(p1, p2, literal_context_lut)]; - } - FN(FindLongestMatch)(privat, - params->dictionary.contextual.dict[dict_id], - ringbuffer, ringbuffer_mask, dist_cache, position + 1, max_length, - max_distance, dictionary_start + gap, params->dist.max_distance, - &sr2); - if (ENABLE_COMPOUND_DICTIONARY) { - LookupCompoundDictionaryMatch( - ¶ms->dictionary.compound, ringbuffer, - ringbuffer_mask, dist_cache, position + 1, max_length, - dictionary_start, params->dist.max_distance, &sr2); - } - if (sr2.score >= sr.score + cost_diff_lazy) { - /* Ok, let's just write one byte for now and start a match from the - next byte. */ - ++position; - ++insert_length; - sr = sr2; - if (++delayed_backward_references_in_row < 4 && - position + FN(HashTypeLength)() < pos_end) { - continue; - } - } - break; - } - apply_random_heuristics = - position + 2 * sr.len + random_heuristics_window_size; - dictionary_start = BROTLI_MIN(size_t, - position + position_offset, max_backward_limit); - { - /* The first 16 codes are special short-codes, - and the minimum offset is 1. */ - size_t distance_code = ComputeDistanceCode( - sr.distance, dictionary_start + gap, dist_cache); - if ((sr.distance <= (dictionary_start + gap)) && distance_code > 0) { - dist_cache[3] = dist_cache[2]; - dist_cache[2] = dist_cache[1]; - dist_cache[1] = dist_cache[0]; - dist_cache[0] = (int)sr.distance; - FN(PrepareDistanceCache)(privat, dist_cache); - } - InitCommand(commands++, ¶ms->dist, insert_length, - sr.len, sr.len_code_delta, distance_code); - } - *num_literals += insert_length; - insert_length = 0; - /* Put the hash keys into the table, if there are enough bytes left. - Depending on the hasher implementation, it can push all positions - in the given range or only a subset of them. - Avoid hash poisoning with RLE data. */ - { - size_t range_start = position + 2; - size_t range_end = BROTLI_MIN(size_t, position + sr.len, store_end); - if (sr.distance < (sr.len >> 2)) { - range_start = BROTLI_MIN(size_t, range_end, BROTLI_MAX(size_t, - range_start, position + sr.len - (sr.distance << 2))); - } - FN(StoreRange)(privat, ringbuffer, ringbuffer_mask, range_start, - range_end); - } - position += sr.len; - } else { - ++insert_length; - ++position; - /* If we have not seen matches for a long time, we can skip some - match lookups. Unsuccessful match lookups are very very expensive - and this kind of a heuristic speeds up compression quite - a lot. */ - if (position > apply_random_heuristics) { - /* Going through uncompressible data, jump. */ - if (position > - apply_random_heuristics + 4 * random_heuristics_window_size) { - /* It is quite a long time since we saw a copy, so we assume - that this data is not compressible, and store hashes less - often. Hashes of non compressible data are less likely to - turn out to be useful in the future, too, so we store less of - them to not to flood out the hash table of good compressible - data. */ - const size_t kMargin = - BROTLI_MAX(size_t, FN(StoreLookahead)() - 1, 4); - size_t pos_jump = - BROTLI_MIN(size_t, position + 16, pos_end - kMargin); - for (; position < pos_jump; position += 4) { - FN(Store)(privat, ringbuffer, ringbuffer_mask, position); - insert_length += 4; - } - } else { - const size_t kMargin = - BROTLI_MAX(size_t, FN(StoreLookahead)() - 1, 2); - size_t pos_jump = - BROTLI_MIN(size_t, position + 8, pos_end - kMargin); - for (; position < pos_jump; position += 2) { - FN(Store)(privat, ringbuffer, ringbuffer_mask, position); - insert_length += 2; - } - } - } - } - } - insert_length += pos_end - position; - *last_insert_len = insert_length; - *num_commands += (size_t)(commands - orig_commands); -} diff --git a/src/deps/brotli/enc/bit_cost.c b/src/deps/brotli/enc/bit_cost.c deleted file mode 100644 index 6b7c904ced..0000000000 --- a/src/deps/brotli/enc/bit_cost.c +++ /dev/null @@ -1,36 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Functions to estimate the bit cost of Huffman trees. */ - -#include "bit_cost.h" - -#include - -#include "../common/constants.h" -#include "../common/platform.h" -#include "fast_log.h" -#include "histogram.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define FN(X) X ## Literal -#include "bit_cost_inc.h" /* NOLINT(build/include) */ -#undef FN - -#define FN(X) X ## Command -#include "bit_cost_inc.h" /* NOLINT(build/include) */ -#undef FN - -#define FN(X) X ## Distance -#include "bit_cost_inc.h" /* NOLINT(build/include) */ -#undef FN - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/bit_cost.h b/src/deps/brotli/enc/bit_cost.h deleted file mode 100644 index f6f2773994..0000000000 --- a/src/deps/brotli/enc/bit_cost.h +++ /dev/null @@ -1,64 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Functions to estimate the bit cost of Huffman trees. */ - -#ifndef BROTLI_ENC_BIT_COST_H_ -#define BROTLI_ENC_BIT_COST_H_ - -#include - -#include "../common/platform.h" -#include "fast_log.h" -#include "histogram.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -static BROTLI_INLINE double ShannonEntropy( - const uint32_t* population, size_t size, size_t* total) { - size_t sum = 0; - double retval = 0; - const uint32_t* population_end = population + size; - size_t p; - if (size & 1) { - goto odd_number_of_elements_left; - } - while (population < population_end) { - p = *population++; - sum += p; - retval -= (double)p * FastLog2(p); - odd_number_of_elements_left: - p = *population++; - sum += p; - retval -= (double)p * FastLog2(p); - } - if (sum) retval += (double)sum * FastLog2(sum); - *total = sum; - return retval; -} - -static BROTLI_INLINE double BitsEntropy( - const uint32_t* population, size_t size) { - size_t sum; - double retval = ShannonEntropy(population, size, &sum); - if (retval < (double)sum) { - /* At least one bit per literal is needed. */ - retval = (double)sum; - } - return retval; -} - -BROTLI_INTERNAL double BrotliPopulationCostLiteral(const HistogramLiteral*); -BROTLI_INTERNAL double BrotliPopulationCostCommand(const HistogramCommand*); -BROTLI_INTERNAL double BrotliPopulationCostDistance(const HistogramDistance*); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_BIT_COST_H_ */ diff --git a/src/deps/brotli/enc/bit_cost_inc.h b/src/deps/brotli/enc/bit_cost_inc.h deleted file mode 100644 index 453c226042..0000000000 --- a/src/deps/brotli/enc/bit_cost_inc.h +++ /dev/null @@ -1,127 +0,0 @@ -/* NOLINT(build/header_guard) */ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* template parameters: FN */ - -#define HistogramType FN(Histogram) - -double FN(BrotliPopulationCost)(const HistogramType* histogram) { - static const double kOneSymbolHistogramCost = 12; - static const double kTwoSymbolHistogramCost = 20; - static const double kThreeSymbolHistogramCost = 28; - static const double kFourSymbolHistogramCost = 37; - const size_t data_size = FN(HistogramDataSize)(); - int count = 0; - size_t s[5]; - double bits = 0.0; - size_t i; - if (histogram->total_count_ == 0) { - return kOneSymbolHistogramCost; - } - for (i = 0; i < data_size; ++i) { - if (histogram->data_[i] > 0) { - s[count] = i; - ++count; - if (count > 4) break; - } - } - if (count == 1) { - return kOneSymbolHistogramCost; - } - if (count == 2) { - return (kTwoSymbolHistogramCost + (double)histogram->total_count_); - } - if (count == 3) { - const uint32_t histo0 = histogram->data_[s[0]]; - const uint32_t histo1 = histogram->data_[s[1]]; - const uint32_t histo2 = histogram->data_[s[2]]; - const uint32_t histomax = - BROTLI_MAX(uint32_t, histo0, BROTLI_MAX(uint32_t, histo1, histo2)); - return (kThreeSymbolHistogramCost + - 2 * (histo0 + histo1 + histo2) - histomax); - } - if (count == 4) { - uint32_t histo[4]; - uint32_t h23; - uint32_t histomax; - for (i = 0; i < 4; ++i) { - histo[i] = histogram->data_[s[i]]; - } - /* Sort */ - for (i = 0; i < 4; ++i) { - size_t j; - for (j = i + 1; j < 4; ++j) { - if (histo[j] > histo[i]) { - BROTLI_SWAP(uint32_t, histo, j, i); - } - } - } - h23 = histo[2] + histo[3]; - histomax = BROTLI_MAX(uint32_t, h23, histo[0]); - return (kFourSymbolHistogramCost + - 3 * h23 + 2 * (histo[0] + histo[1]) - histomax); - } - - { - /* In this loop we compute the entropy of the histogram and simultaneously - build a simplified histogram of the code length codes where we use the - zero repeat code 17, but we don't use the non-zero repeat code 16. */ - size_t max_depth = 1; - uint32_t depth_histo[BROTLI_CODE_LENGTH_CODES] = { 0 }; - const double log2total = FastLog2(histogram->total_count_); - for (i = 0; i < data_size;) { - if (histogram->data_[i] > 0) { - /* Compute -log2(P(symbol)) = -log2(count(symbol)/total_count) = - = log2(total_count) - log2(count(symbol)) */ - double log2p = log2total - FastLog2(histogram->data_[i]); - /* Approximate the bit depth by round(-log2(P(symbol))) */ - size_t depth = (size_t)(log2p + 0.5); - bits += histogram->data_[i] * log2p; - if (depth > 15) { - depth = 15; - } - if (depth > max_depth) { - max_depth = depth; - } - ++depth_histo[depth]; - ++i; - } else { - /* Compute the run length of zeros and add the appropriate number of 0 - and 17 code length codes to the code length code histogram. */ - uint32_t reps = 1; - size_t k; - for (k = i + 1; k < data_size && histogram->data_[k] == 0; ++k) { - ++reps; - } - i += reps; - if (i == data_size) { - /* Don't add any cost for the last zero run, since these are encoded - only implicitly. */ - break; - } - if (reps < 3) { - depth_histo[0] += reps; - } else { - reps -= 2; - while (reps > 0) { - ++depth_histo[BROTLI_REPEAT_ZERO_CODE_LENGTH]; - /* Add the 3 extra bits for the 17 code length code. */ - bits += 3; - reps >>= 3; - } - } - } - } - /* Add the estimated encoding cost of the code length code histogram. */ - bits += (double)(18 + 2 * max_depth); - /* Add the entropy of the code length code histogram. */ - bits += BitsEntropy(depth_histo, BROTLI_CODE_LENGTH_CODES); - } - return bits; -} - -#undef HistogramType diff --git a/src/deps/brotli/enc/block_encoder_inc.h b/src/deps/brotli/enc/block_encoder_inc.h deleted file mode 100644 index 8cbd5eac67..0000000000 --- a/src/deps/brotli/enc/block_encoder_inc.h +++ /dev/null @@ -1,34 +0,0 @@ -/* NOLINT(build/header_guard) */ -/* Copyright 2014 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* template parameters: FN */ - -#define HistogramType FN(Histogram) - -/* Creates entropy codes for all block types and stores them to the bit - stream. */ -static void FN(BuildAndStoreEntropyCodes)(MemoryManager* m, BlockEncoder* self, - const HistogramType* histograms, const size_t histograms_size, - const size_t alphabet_size, HuffmanTree* tree, - size_t* storage_ix, uint8_t* storage) { - const size_t table_size = histograms_size * self->histogram_length_; - self->depths_ = BROTLI_ALLOC(m, uint8_t, table_size); - self->bits_ = BROTLI_ALLOC(m, uint16_t, table_size); - if (BROTLI_IS_OOM(m)) return; - - { - size_t i; - for (i = 0; i < histograms_size; ++i) { - size_t ix = i * self->histogram_length_; - BuildAndStoreHuffmanTree(&histograms[i].data_[0], self->histogram_length_, - alphabet_size, tree, &self->depths_[ix], &self->bits_[ix], - storage_ix, storage); - } - } -} - -#undef HistogramType diff --git a/src/deps/brotli/enc/block_splitter.c b/src/deps/brotli/enc/block_splitter.c deleted file mode 100644 index eba1b691e5..0000000000 --- a/src/deps/brotli/enc/block_splitter.c +++ /dev/null @@ -1,217 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Block split point selection utilities. */ - -#include "block_splitter.h" - -#include /* memcpy, memset */ - -#include "../common/platform.h" -#include "bit_cost.h" -#include "cluster.h" -#include "command.h" -#include "fast_log.h" -#include "histogram.h" -#include "memory.h" -#include "quality.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -static const size_t kMaxLiteralHistograms = 100; -static const size_t kMaxCommandHistograms = 50; -static const double kLiteralBlockSwitchCost = 28.1; -static const double kCommandBlockSwitchCost = 13.5; -static const double kDistanceBlockSwitchCost = 14.6; -static const size_t kLiteralStrideLength = 70; -static const size_t kCommandStrideLength = 40; -static const size_t kDistanceStrideLength = 40; -static const size_t kSymbolsPerLiteralHistogram = 544; -static const size_t kSymbolsPerCommandHistogram = 530; -static const size_t kSymbolsPerDistanceHistogram = 544; -static const size_t kMinLengthForBlockSplitting = 128; -static const size_t kIterMulForRefining = 2; -static const size_t kMinItersForRefining = 100; - -static size_t CountLiterals(const Command* cmds, const size_t num_commands) { - /* Count how many we have. */ - size_t total_length = 0; - size_t i; - for (i = 0; i < num_commands; ++i) { - total_length += cmds[i].insert_len_; - } - return total_length; -} - -static void CopyLiteralsToByteArray(const Command* cmds, - const size_t num_commands, - const uint8_t* data, - const size_t offset, - const size_t mask, - uint8_t* literals) { - size_t pos = 0; - size_t from_pos = offset & mask; - size_t i; - for (i = 0; i < num_commands; ++i) { - size_t insert_len = cmds[i].insert_len_; - if (from_pos + insert_len > mask) { - size_t head_size = mask + 1 - from_pos; - memcpy(literals + pos, data + from_pos, head_size); - from_pos = 0; - pos += head_size; - insert_len -= head_size; - } - if (insert_len > 0) { - memcpy(literals + pos, data + from_pos, insert_len); - pos += insert_len; - } - from_pos = (from_pos + insert_len + CommandCopyLen(&cmds[i])) & mask; - } -} - -static BROTLI_INLINE uint32_t MyRand(uint32_t* seed) { - /* Initial seed should be 7. In this case, loop length is (1 << 29). */ - *seed *= 16807U; - return *seed; -} - -static BROTLI_INLINE double BitCost(size_t count) { - return count == 0 ? -2.0 : FastLog2(count); -} - -#define HISTOGRAMS_PER_BATCH 64 -#define CLUSTERS_PER_BATCH 16 - -#define FN(X) X ## Literal -#define DataType uint8_t -/* NOLINTNEXTLINE(build/include) */ -#include "block_splitter_inc.h" -#undef DataType -#undef FN - -#define FN(X) X ## Command -#define DataType uint16_t -/* NOLINTNEXTLINE(build/include) */ -#include "block_splitter_inc.h" -#undef FN - -#define FN(X) X ## Distance -/* NOLINTNEXTLINE(build/include) */ -#include "block_splitter_inc.h" -#undef DataType -#undef FN - -void BrotliInitBlockSplit(BlockSplit* self) { - self->num_types = 0; - self->num_blocks = 0; - self->types = 0; - self->lengths = 0; - self->types_alloc_size = 0; - self->lengths_alloc_size = 0; -} - -void BrotliDestroyBlockSplit(MemoryManager* m, BlockSplit* self) { - BROTLI_FREE(m, self->types); - BROTLI_FREE(m, self->lengths); -} - -/* Extracts literals, command distance and prefix codes, then applies - * SplitByteVector to create partitioning. */ -void BrotliSplitBlock(MemoryManager* m, - const Command* cmds, - const size_t num_commands, - const uint8_t* data, - const size_t pos, - const size_t mask, - const BrotliEncoderParams* params, - BlockSplit* literal_split, - BlockSplit* insert_and_copy_split, - BlockSplit* dist_split) { - { - size_t literals_count = CountLiterals(cmds, num_commands); - uint8_t* literals = BROTLI_ALLOC(m, uint8_t, literals_count); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(literals)) return; - /* Create a continuous array of literals. */ - CopyLiteralsToByteArray(cmds, num_commands, data, pos, mask, literals); - /* Create the block split on the array of literals. - * Literal histograms can have alphabet size up to 256. - * Though, to accomodate context modeling, less than half of maximum size - * is allowed. */ - SplitByteVectorLiteral( - m, literals, literals_count, - kSymbolsPerLiteralHistogram, kMaxLiteralHistograms, - kLiteralStrideLength, kLiteralBlockSwitchCost, params, - literal_split); - if (BROTLI_IS_OOM(m)) return; - BROTLI_FREE(m, literals); - /* NB: this might be a good place for injecting extra splitting without - * increasing encoder complexity; however, output parition would be less - * optimal than one produced with forced splitting inside - * SplitByteVector (FindBlocks / ClusterBlocks). */ - } - - { - /* Compute prefix codes for commands. */ - uint16_t* insert_and_copy_codes = BROTLI_ALLOC(m, uint16_t, num_commands); - size_t i; - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(insert_and_copy_codes)) return; - for (i = 0; i < num_commands; ++i) { - insert_and_copy_codes[i] = cmds[i].cmd_prefix_; - } - /* Create the block split on the array of command prefixes. */ - SplitByteVectorCommand( - m, insert_and_copy_codes, num_commands, - kSymbolsPerCommandHistogram, kMaxCommandHistograms, - kCommandStrideLength, kCommandBlockSwitchCost, params, - insert_and_copy_split); - if (BROTLI_IS_OOM(m)) return; - /* TODO(eustas): reuse for distances? */ - BROTLI_FREE(m, insert_and_copy_codes); - } - - { - /* Create a continuous array of distance prefixes. */ - uint16_t* distance_prefixes = BROTLI_ALLOC(m, uint16_t, num_commands); - size_t j = 0; - size_t i; - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(distance_prefixes)) return; - for (i = 0; i < num_commands; ++i) { - const Command* cmd = &cmds[i]; - if (CommandCopyLen(cmd) && cmd->cmd_prefix_ >= 128) { - distance_prefixes[j++] = cmd->dist_prefix_ & 0x3FF; - } - } - /* Create the block split on the array of distance prefixes. */ - SplitByteVectorDistance( - m, distance_prefixes, j, - kSymbolsPerDistanceHistogram, kMaxCommandHistograms, - kDistanceStrideLength, kDistanceBlockSwitchCost, params, - dist_split); - if (BROTLI_IS_OOM(m)) return; - BROTLI_FREE(m, distance_prefixes); - } -} - -#if defined(BROTLI_TEST) -size_t CountLiteralsForTest(const Command*, const size_t); -size_t CountLiteralsForTest(const Command* cmds, const size_t num_commands) { - return CountLiterals(cmds, num_commands); -} - -void CopyLiteralsToByteArrayForTest(const Command*, - const size_t, const uint8_t*, const size_t, const size_t, uint8_t*); -void CopyLiteralsToByteArrayForTest(const Command* cmds, - const size_t num_commands, const uint8_t* data, const size_t offset, - const size_t mask, uint8_t* literals) { - CopyLiteralsToByteArray(cmds, num_commands, data, offset, mask, literals); -} -#endif - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/block_splitter.h b/src/deps/brotli/enc/block_splitter.h deleted file mode 100644 index 6046b90a5d..0000000000 --- a/src/deps/brotli/enc/block_splitter.h +++ /dev/null @@ -1,52 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Block split point selection utilities. */ - -#ifndef BROTLI_ENC_BLOCK_SPLITTER_H_ -#define BROTLI_ENC_BLOCK_SPLITTER_H_ - -#include - -#include "../common/platform.h" -#include "command.h" -#include "memory.h" -#include "quality.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -typedef struct BlockSplit { - size_t num_types; /* Amount of distinct types */ - size_t num_blocks; /* Amount of values in types and length */ - uint8_t* types; - uint32_t* lengths; - - size_t types_alloc_size; - size_t lengths_alloc_size; -} BlockSplit; - -BROTLI_INTERNAL void BrotliInitBlockSplit(BlockSplit* self); -BROTLI_INTERNAL void BrotliDestroyBlockSplit(MemoryManager* m, - BlockSplit* self); - -BROTLI_INTERNAL void BrotliSplitBlock(MemoryManager* m, - const Command* cmds, - const size_t num_commands, - const uint8_t* data, - const size_t offset, - const size_t mask, - const BrotliEncoderParams* params, - BlockSplit* literal_split, - BlockSplit* insert_and_copy_split, - BlockSplit* dist_split); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_BLOCK_SPLITTER_H_ */ diff --git a/src/deps/brotli/enc/block_splitter_inc.h b/src/deps/brotli/enc/block_splitter_inc.h deleted file mode 100644 index aa40bfd329..0000000000 --- a/src/deps/brotli/enc/block_splitter_inc.h +++ /dev/null @@ -1,481 +0,0 @@ -/* NOLINT(build/header_guard) */ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* template parameters: FN, DataType */ - -#define HistogramType FN(Histogram) - -static void FN(InitialEntropyCodes)(const DataType* data, size_t length, - size_t stride, - size_t num_histograms, - HistogramType* histograms) { - uint32_t seed = 7; - size_t block_length = length / num_histograms; - size_t i; - FN(ClearHistograms)(histograms, num_histograms); - for (i = 0; i < num_histograms; ++i) { - size_t pos = length * i / num_histograms; - if (i != 0) { - pos += MyRand(&seed) % block_length; - } - if (pos + stride >= length) { - pos = length - stride - 1; - } - FN(HistogramAddVector)(&histograms[i], data + pos, stride); - } -} - -static void FN(RandomSample)(uint32_t* seed, - const DataType* data, - size_t length, - size_t stride, - HistogramType* sample) { - size_t pos = 0; - if (stride >= length) { - stride = length; - } else { - pos = MyRand(seed) % (length - stride + 1); - } - FN(HistogramAddVector)(sample, data + pos, stride); -} - -static void FN(RefineEntropyCodes)(const DataType* data, size_t length, - size_t stride, - size_t num_histograms, - HistogramType* histograms, - HistogramType* tmp) { - size_t iters = - kIterMulForRefining * length / stride + kMinItersForRefining; - uint32_t seed = 7; - size_t iter; - iters = ((iters + num_histograms - 1) / num_histograms) * num_histograms; - for (iter = 0; iter < iters; ++iter) { - FN(HistogramClear)(tmp); - FN(RandomSample)(&seed, data, length, stride, tmp); - FN(HistogramAddHistogram)(&histograms[iter % num_histograms], tmp); - } -} - -/* Assigns a block id from the range [0, num_histograms) to each data element - in data[0..length) and fills in block_id[0..length) with the assigned values. - Returns the number of blocks, i.e. one plus the number of block switches. */ -static size_t FN(FindBlocks)(const DataType* data, const size_t length, - const double block_switch_bitcost, - const size_t num_histograms, - const HistogramType* histograms, - double* insert_cost, - double* cost, - uint8_t* switch_signal, - uint8_t* block_id) { - const size_t alphabet_size = FN(HistogramDataSize)(); - const size_t bitmap_len = (num_histograms + 7) >> 3; - size_t num_blocks = 1; - size_t byte_ix; - size_t i; - size_t j; - BROTLI_DCHECK(num_histograms <= 256); - - /* Trivial case: single historgram -> single block type. */ - if (num_histograms <= 1) { - for (i = 0; i < length; ++i) { - block_id[i] = 0; - } - return 1; - } - - /* Fill bitcost for each symbol of all histograms. - * Non-existing symbol cost: 2 + log2(total_count). - * Regular symbol cost: -log2(symbol_count / total_count). */ - memset(insert_cost, 0, - sizeof(insert_cost[0]) * alphabet_size * num_histograms); - for (i = 0; i < num_histograms; ++i) { - insert_cost[i] = FastLog2((uint32_t)histograms[i].total_count_); - } - for (i = alphabet_size; i != 0;) { - /* Reverse order to use the 0-th row as a temporary storage. */ - --i; - for (j = 0; j < num_histograms; ++j) { - insert_cost[i * num_histograms + j] = - insert_cost[j] - BitCost(histograms[j].data_[i]); - } - } - - /* After each iteration of this loop, cost[k] will contain the difference - between the minimum cost of arriving at the current byte position using - entropy code k, and the minimum cost of arriving at the current byte - position. This difference is capped at the block switch cost, and if it - reaches block switch cost, it means that when we trace back from the last - position, we need to switch here. */ - memset(cost, 0, sizeof(cost[0]) * num_histograms); - memset(switch_signal, 0, sizeof(switch_signal[0]) * length * bitmap_len); - for (byte_ix = 0; byte_ix < length; ++byte_ix) { - size_t ix = byte_ix * bitmap_len; - size_t symbol = data[byte_ix]; - size_t insert_cost_ix = symbol * num_histograms; - double min_cost = 1e99; - double block_switch_cost = block_switch_bitcost; - size_t k; - for (k = 0; k < num_histograms; ++k) { - /* We are coding the symbol with entropy code k. */ - cost[k] += insert_cost[insert_cost_ix + k]; - if (cost[k] < min_cost) { - min_cost = cost[k]; - block_id[byte_ix] = (uint8_t)k; - } - } - /* More blocks for the beginning. */ - if (byte_ix < 2000) { - block_switch_cost *= 0.77 + 0.07 * (double)byte_ix / 2000; - } - for (k = 0; k < num_histograms; ++k) { - cost[k] -= min_cost; - if (cost[k] >= block_switch_cost) { - const uint8_t mask = (uint8_t)(1u << (k & 7)); - cost[k] = block_switch_cost; - BROTLI_DCHECK((k >> 3) < bitmap_len); - switch_signal[ix + (k >> 3)] |= mask; - } - } - } - - byte_ix = length - 1; - { /* Trace back from the last position and switch at the marked places. */ - size_t ix = byte_ix * bitmap_len; - uint8_t cur_id = block_id[byte_ix]; - while (byte_ix > 0) { - const uint8_t mask = (uint8_t)(1u << (cur_id & 7)); - BROTLI_DCHECK(((size_t)cur_id >> 3) < bitmap_len); - --byte_ix; - ix -= bitmap_len; - if (switch_signal[ix + (cur_id >> 3)] & mask) { - if (cur_id != block_id[byte_ix]) { - cur_id = block_id[byte_ix]; - ++num_blocks; - } - } - block_id[byte_ix] = cur_id; - } - } - return num_blocks; -} - -static size_t FN(RemapBlockIds)(uint8_t* block_ids, const size_t length, - uint16_t* new_id, const size_t num_histograms) { - static const uint16_t kInvalidId = 256; - uint16_t next_id = 0; - size_t i; - for (i = 0; i < num_histograms; ++i) { - new_id[i] = kInvalidId; - } - for (i = 0; i < length; ++i) { - BROTLI_DCHECK(block_ids[i] < num_histograms); - if (new_id[block_ids[i]] == kInvalidId) { - new_id[block_ids[i]] = next_id++; - } - } - for (i = 0; i < length; ++i) { - block_ids[i] = (uint8_t)new_id[block_ids[i]]; - BROTLI_DCHECK(block_ids[i] < num_histograms); - } - BROTLI_DCHECK(next_id <= num_histograms); - return next_id; -} - -static void FN(BuildBlockHistograms)(const DataType* data, const size_t length, - const uint8_t* block_ids, - const size_t num_histograms, - HistogramType* histograms) { - size_t i; - FN(ClearHistograms)(histograms, num_histograms); - for (i = 0; i < length; ++i) { - FN(HistogramAdd)(&histograms[block_ids[i]], data[i]); - } -} - -/* Given the initial partitioning build partitioning with limited number - * of histograms (and block types). */ -static void FN(ClusterBlocks)(MemoryManager* m, - const DataType* data, const size_t length, - const size_t num_blocks, - uint8_t* block_ids, - BlockSplit* split) { - uint32_t* histogram_symbols = BROTLI_ALLOC(m, uint32_t, num_blocks); - uint32_t* u32 = - BROTLI_ALLOC(m, uint32_t, num_blocks + 4 * HISTOGRAMS_PER_BATCH); - const size_t expected_num_clusters = CLUSTERS_PER_BATCH * - (num_blocks + HISTOGRAMS_PER_BATCH - 1) / HISTOGRAMS_PER_BATCH; - size_t all_histograms_size = 0; - size_t all_histograms_capacity = expected_num_clusters; - HistogramType* all_histograms = - BROTLI_ALLOC(m, HistogramType, all_histograms_capacity); - size_t cluster_size_size = 0; - size_t cluster_size_capacity = expected_num_clusters; - uint32_t* cluster_size = BROTLI_ALLOC(m, uint32_t, cluster_size_capacity); - size_t num_clusters = 0; - HistogramType* histograms = BROTLI_ALLOC(m, HistogramType, - BROTLI_MIN(size_t, num_blocks, HISTOGRAMS_PER_BATCH)); - size_t max_num_pairs = - HISTOGRAMS_PER_BATCH * HISTOGRAMS_PER_BATCH / 2; - size_t pairs_capacity = max_num_pairs + 1; - HistogramPair* pairs = BROTLI_ALLOC(m, HistogramPair, pairs_capacity); - size_t pos = 0; - uint32_t* clusters; - size_t num_final_clusters; - static const uint32_t kInvalidIndex = BROTLI_UINT32_MAX; - uint32_t* new_index; - size_t i; - uint32_t* BROTLI_RESTRICT const sizes = u32 + 0 * HISTOGRAMS_PER_BATCH; - uint32_t* BROTLI_RESTRICT const new_clusters = u32 + 1 * HISTOGRAMS_PER_BATCH; - uint32_t* BROTLI_RESTRICT const symbols = u32 + 2 * HISTOGRAMS_PER_BATCH; - uint32_t* BROTLI_RESTRICT const remap = u32 + 3 * HISTOGRAMS_PER_BATCH; - uint32_t* BROTLI_RESTRICT const block_lengths = - u32 + 4 * HISTOGRAMS_PER_BATCH; - /* TODO(eustas): move to arena? */ - HistogramType* tmp = BROTLI_ALLOC(m, HistogramType, 2); - - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(histogram_symbols) || - BROTLI_IS_NULL(u32) || BROTLI_IS_NULL(all_histograms) || - BROTLI_IS_NULL(cluster_size) || BROTLI_IS_NULL(histograms) || - BROTLI_IS_NULL(pairs) || BROTLI_IS_NULL(tmp)) { - return; - } - - memset(u32, 0, (num_blocks + 4 * HISTOGRAMS_PER_BATCH) * sizeof(uint32_t)); - - /* Calculate block lengths (convert repeating values -> series length). */ - { - size_t block_idx = 0; - for (i = 0; i < length; ++i) { - BROTLI_DCHECK(block_idx < num_blocks); - ++block_lengths[block_idx]; - if (i + 1 == length || block_ids[i] != block_ids[i + 1]) { - ++block_idx; - } - } - BROTLI_DCHECK(block_idx == num_blocks); - } - - /* Pre-cluster blocks (cluster batches). */ - for (i = 0; i < num_blocks; i += HISTOGRAMS_PER_BATCH) { - const size_t num_to_combine = - BROTLI_MIN(size_t, num_blocks - i, HISTOGRAMS_PER_BATCH); - size_t num_new_clusters; - size_t j; - for (j = 0; j < num_to_combine; ++j) { - size_t k; - size_t block_length = block_lengths[i + j]; - FN(HistogramClear)(&histograms[j]); - for (k = 0; k < block_length; ++k) { - FN(HistogramAdd)(&histograms[j], data[pos++]); - } - histograms[j].bit_cost_ = FN(BrotliPopulationCost)(&histograms[j]); - new_clusters[j] = (uint32_t)j; - symbols[j] = (uint32_t)j; - sizes[j] = 1; - } - num_new_clusters = FN(BrotliHistogramCombine)( - histograms, tmp, sizes, symbols, new_clusters, pairs, num_to_combine, - num_to_combine, HISTOGRAMS_PER_BATCH, max_num_pairs); - BROTLI_ENSURE_CAPACITY(m, HistogramType, all_histograms, - all_histograms_capacity, all_histograms_size + num_new_clusters); - BROTLI_ENSURE_CAPACITY(m, uint32_t, cluster_size, - cluster_size_capacity, cluster_size_size + num_new_clusters); - if (BROTLI_IS_OOM(m)) return; - for (j = 0; j < num_new_clusters; ++j) { - all_histograms[all_histograms_size++] = histograms[new_clusters[j]]; - cluster_size[cluster_size_size++] = sizes[new_clusters[j]]; - remap[new_clusters[j]] = (uint32_t)j; - } - for (j = 0; j < num_to_combine; ++j) { - histogram_symbols[i + j] = (uint32_t)num_clusters + remap[symbols[j]]; - } - num_clusters += num_new_clusters; - BROTLI_DCHECK(num_clusters == cluster_size_size); - BROTLI_DCHECK(num_clusters == all_histograms_size); - } - BROTLI_FREE(m, histograms); - - /* Final clustering. */ - max_num_pairs = - BROTLI_MIN(size_t, 64 * num_clusters, (num_clusters / 2) * num_clusters); - if (pairs_capacity < max_num_pairs + 1) { - BROTLI_FREE(m, pairs); - pairs = BROTLI_ALLOC(m, HistogramPair, max_num_pairs + 1); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(pairs)) return; - } - clusters = BROTLI_ALLOC(m, uint32_t, num_clusters); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(clusters)) return; - for (i = 0; i < num_clusters; ++i) { - clusters[i] = (uint32_t)i; - } - num_final_clusters = FN(BrotliHistogramCombine)( - all_histograms, tmp, cluster_size, histogram_symbols, clusters, pairs, - num_clusters, num_blocks, BROTLI_MAX_NUMBER_OF_BLOCK_TYPES, - max_num_pairs); - BROTLI_FREE(m, pairs); - BROTLI_FREE(m, cluster_size); - - /* Assign blocks to final histograms. */ - new_index = BROTLI_ALLOC(m, uint32_t, num_clusters); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(new_index)) return; - for (i = 0; i < num_clusters; ++i) new_index[i] = kInvalidIndex; - pos = 0; - { - uint32_t next_index = 0; - for (i = 0; i < num_blocks; ++i) { - size_t j; - uint32_t best_out; - double best_bits; - FN(HistogramClear)(tmp); - for (j = 0; j < block_lengths[i]; ++j) { - FN(HistogramAdd)(tmp, data[pos++]); - } - /* Among equally good histograms prefer last used. */ - /* TODO(eustas): should we give a block-switch discount here? */ - best_out = (i == 0) ? histogram_symbols[0] : histogram_symbols[i - 1]; - best_bits = FN(BrotliHistogramBitCostDistance)( - tmp, &all_histograms[best_out], tmp + 1); - for (j = 0; j < num_final_clusters; ++j) { - const double cur_bits = FN(BrotliHistogramBitCostDistance)( - tmp, &all_histograms[clusters[j]], tmp + 1); - if (cur_bits < best_bits) { - best_bits = cur_bits; - best_out = clusters[j]; - } - } - histogram_symbols[i] = best_out; - if (new_index[best_out] == kInvalidIndex) { - new_index[best_out] = next_index++; - } - } - } - BROTLI_FREE(m, tmp); - BROTLI_FREE(m, clusters); - BROTLI_FREE(m, all_histograms); - BROTLI_ENSURE_CAPACITY( - m, uint8_t, split->types, split->types_alloc_size, num_blocks); - BROTLI_ENSURE_CAPACITY( - m, uint32_t, split->lengths, split->lengths_alloc_size, num_blocks); - if (BROTLI_IS_OOM(m)) return; - - /* Rewrite final assignment to block-split. There might be less blocks - * than |num_blocks| due to clustering. */ - { - uint32_t cur_length = 0; - size_t block_idx = 0; - uint8_t max_type = 0; - for (i = 0; i < num_blocks; ++i) { - cur_length += block_lengths[i]; - if (i + 1 == num_blocks || - histogram_symbols[i] != histogram_symbols[i + 1]) { - const uint8_t id = (uint8_t)new_index[histogram_symbols[i]]; - split->types[block_idx] = id; - split->lengths[block_idx] = cur_length; - max_type = BROTLI_MAX(uint8_t, max_type, id); - cur_length = 0; - ++block_idx; - } - } - split->num_blocks = block_idx; - split->num_types = (size_t)max_type + 1; - } - BROTLI_FREE(m, new_index); - BROTLI_FREE(m, u32); - BROTLI_FREE(m, histogram_symbols); -} - -/* Create BlockSplit (partitioning) given the limits, estimates and "effort" - * parameters. - * - * NB: max_histograms is often less than number of histograms allowed by format; - * this is done intentionally, to save some "space" for context-aware - * clustering (here entropy is estimated for context-free symbols). */ -static void FN(SplitByteVector)(MemoryManager* m, - const DataType* data, const size_t length, - const size_t symbols_per_histogram, - const size_t max_histograms, - const size_t sampling_stride_length, - const double block_switch_cost, - const BrotliEncoderParams* params, - BlockSplit* split) { - const size_t data_size = FN(HistogramDataSize)(); - HistogramType* histograms; - HistogramType* tmp; - /* Calculate number of histograms; initial estimate is one histogram per - * specified amount of symbols; however, this value is capped. */ - size_t num_histograms = length / symbols_per_histogram + 1; - if (num_histograms > max_histograms) { - num_histograms = max_histograms; - } - - /* Corner case: no input. */ - if (length == 0) { - split->num_types = 1; - return; - } - - if (length < kMinLengthForBlockSplitting) { - BROTLI_ENSURE_CAPACITY(m, uint8_t, - split->types, split->types_alloc_size, split->num_blocks + 1); - BROTLI_ENSURE_CAPACITY(m, uint32_t, - split->lengths, split->lengths_alloc_size, split->num_blocks + 1); - if (BROTLI_IS_OOM(m)) return; - split->num_types = 1; - split->types[split->num_blocks] = 0; - split->lengths[split->num_blocks] = (uint32_t)length; - split->num_blocks++; - return; - } - histograms = BROTLI_ALLOC(m, HistogramType, num_histograms + 1); - tmp = histograms + num_histograms; - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(histograms)) return; - /* Find good entropy codes. */ - FN(InitialEntropyCodes)(data, length, - sampling_stride_length, - num_histograms, histograms); - FN(RefineEntropyCodes)(data, length, - sampling_stride_length, - num_histograms, histograms, tmp); - { - /* Find a good path through literals with the good entropy codes. */ - uint8_t* block_ids = BROTLI_ALLOC(m, uint8_t, length); - size_t num_blocks = 0; - const size_t bitmaplen = (num_histograms + 7) >> 3; - double* insert_cost = BROTLI_ALLOC(m, double, data_size * num_histograms); - double* cost = BROTLI_ALLOC(m, double, num_histograms); - uint8_t* switch_signal = BROTLI_ALLOC(m, uint8_t, length * bitmaplen); - uint16_t* new_id = BROTLI_ALLOC(m, uint16_t, num_histograms); - const size_t iters = params->quality < HQ_ZOPFLIFICATION_QUALITY ? 3 : 10; - size_t i; - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(block_ids) || - BROTLI_IS_NULL(insert_cost) || BROTLI_IS_NULL(cost) || - BROTLI_IS_NULL(switch_signal) || BROTLI_IS_NULL(new_id)) { - return; - } - for (i = 0; i < iters; ++i) { - num_blocks = FN(FindBlocks)(data, length, - block_switch_cost, - num_histograms, histograms, - insert_cost, cost, switch_signal, - block_ids); - num_histograms = FN(RemapBlockIds)(block_ids, length, - new_id, num_histograms); - FN(BuildBlockHistograms)(data, length, block_ids, - num_histograms, histograms); - } - BROTLI_FREE(m, insert_cost); - BROTLI_FREE(m, cost); - BROTLI_FREE(m, switch_signal); - BROTLI_FREE(m, new_id); - BROTLI_FREE(m, histograms); - FN(ClusterBlocks)(m, data, length, num_blocks, block_ids, split); - if (BROTLI_IS_OOM(m)) return; - BROTLI_FREE(m, block_ids); - } -} - -#undef HistogramType diff --git a/src/deps/brotli/enc/brotli_bit_stream.c b/src/deps/brotli/enc/brotli_bit_stream.c deleted file mode 100644 index 5fa0c69aa8..0000000000 --- a/src/deps/brotli/enc/brotli_bit_stream.c +++ /dev/null @@ -1,1336 +0,0 @@ -/* Copyright 2014 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Brotli bit stream functions to support the low level format. There are no - compression algorithms here, just the right ordering of bits to match the - specs. */ - -#include "brotli_bit_stream.h" - -#include /* memcpy, memset */ - -#include - -#include "../common/constants.h" -#include "../common/context.h" -#include "../common/platform.h" -#include "entropy_encode.h" -#include "entropy_encode_static.h" -#include "fast_log.h" -#include "histogram.h" -#include "memory.h" -#include "write_bits.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define MAX_HUFFMAN_TREE_SIZE (2 * BROTLI_NUM_COMMAND_SYMBOLS + 1) -/* The maximum size of Huffman dictionary for distances assuming that - NPOSTFIX = 0 and NDIRECT = 0. */ -#define MAX_SIMPLE_DISTANCE_ALPHABET_SIZE \ - BROTLI_DISTANCE_ALPHABET_SIZE(0, 0, BROTLI_LARGE_MAX_DISTANCE_BITS) -/* MAX_SIMPLE_DISTANCE_ALPHABET_SIZE == 140 */ - -static BROTLI_INLINE uint32_t BlockLengthPrefixCode(uint32_t len) { - uint32_t code = (len >= 177) ? (len >= 753 ? 20 : 14) : (len >= 41 ? 7 : 0); - while (code < (BROTLI_NUM_BLOCK_LEN_SYMBOLS - 1) && - len >= _kBrotliPrefixCodeRanges[code + 1].offset) ++code; - return code; -} - -static BROTLI_INLINE void GetBlockLengthPrefixCode(uint32_t len, size_t* code, - uint32_t* n_extra, uint32_t* extra) { - *code = BlockLengthPrefixCode(len); - *n_extra = _kBrotliPrefixCodeRanges[*code].nbits; - *extra = len - _kBrotliPrefixCodeRanges[*code].offset; -} - -typedef struct BlockTypeCodeCalculator { - size_t last_type; - size_t second_last_type; -} BlockTypeCodeCalculator; - -static void InitBlockTypeCodeCalculator(BlockTypeCodeCalculator* self) { - self->last_type = 1; - self->second_last_type = 0; -} - -static BROTLI_INLINE size_t NextBlockTypeCode( - BlockTypeCodeCalculator* calculator, uint8_t type) { - size_t type_code = (type == calculator->last_type + 1) ? 1u : - (type == calculator->second_last_type) ? 0u : type + 2u; - calculator->second_last_type = calculator->last_type; - calculator->last_type = type; - return type_code; -} - -/* |nibblesbits| represents the 2 bits to encode MNIBBLES (0-3) - REQUIRES: length > 0 - REQUIRES: length <= (1 << 24) */ -static void BrotliEncodeMlen(size_t length, uint64_t* bits, - size_t* numbits, uint64_t* nibblesbits) { - size_t lg = (length == 1) ? 1 : Log2FloorNonZero((uint32_t)(length - 1)) + 1; - size_t mnibbles = (lg < 16 ? 16 : (lg + 3)) / 4; - BROTLI_DCHECK(length > 0); - BROTLI_DCHECK(length <= (1 << 24)); - BROTLI_DCHECK(lg <= 24); - *nibblesbits = mnibbles - 4; - *numbits = mnibbles * 4; - *bits = length - 1; -} - -static BROTLI_INLINE void StoreCommandExtra( - const Command* cmd, size_t* storage_ix, uint8_t* storage) { - uint32_t copylen_code = CommandCopyLenCode(cmd); - uint16_t inscode = GetInsertLengthCode(cmd->insert_len_); - uint16_t copycode = GetCopyLengthCode(copylen_code); - uint32_t insnumextra = GetInsertExtra(inscode); - uint64_t insextraval = cmd->insert_len_ - GetInsertBase(inscode); - uint64_t copyextraval = copylen_code - GetCopyBase(copycode); - uint64_t bits = (copyextraval << insnumextra) | insextraval; - BrotliWriteBits( - insnumextra + GetCopyExtra(copycode), bits, storage_ix, storage); -} - -/* Data structure that stores almost everything that is needed to encode each - block switch command. */ -typedef struct BlockSplitCode { - BlockTypeCodeCalculator type_code_calculator; - uint8_t type_depths[BROTLI_MAX_BLOCK_TYPE_SYMBOLS]; - uint16_t type_bits[BROTLI_MAX_BLOCK_TYPE_SYMBOLS]; - uint8_t length_depths[BROTLI_NUM_BLOCK_LEN_SYMBOLS]; - uint16_t length_bits[BROTLI_NUM_BLOCK_LEN_SYMBOLS]; -} BlockSplitCode; - -/* Stores a number between 0 and 255. */ -static void StoreVarLenUint8(size_t n, size_t* storage_ix, uint8_t* storage) { - if (n == 0) { - BrotliWriteBits(1, 0, storage_ix, storage); - } else { - size_t nbits = Log2FloorNonZero(n); - BrotliWriteBits(1, 1, storage_ix, storage); - BrotliWriteBits(3, nbits, storage_ix, storage); - BrotliWriteBits(nbits, n - ((size_t)1 << nbits), storage_ix, storage); - } -} - -/* Stores the compressed meta-block header. - REQUIRES: length > 0 - REQUIRES: length <= (1 << 24) */ -static void StoreCompressedMetaBlockHeader(BROTLI_BOOL is_final_block, - size_t length, - size_t* storage_ix, - uint8_t* storage) { - uint64_t lenbits; - size_t nlenbits; - uint64_t nibblesbits; - - /* Write ISLAST bit. */ - BrotliWriteBits(1, (uint64_t)is_final_block, storage_ix, storage); - /* Write ISEMPTY bit. */ - if (is_final_block) { - BrotliWriteBits(1, 0, storage_ix, storage); - } - - BrotliEncodeMlen(length, &lenbits, &nlenbits, &nibblesbits); - BrotliWriteBits(2, nibblesbits, storage_ix, storage); - BrotliWriteBits(nlenbits, lenbits, storage_ix, storage); - - if (!is_final_block) { - /* Write ISUNCOMPRESSED bit. */ - BrotliWriteBits(1, 0, storage_ix, storage); - } -} - -/* Stores the uncompressed meta-block header. - REQUIRES: length > 0 - REQUIRES: length <= (1 << 24) */ -static void BrotliStoreUncompressedMetaBlockHeader(size_t length, - size_t* storage_ix, - uint8_t* storage) { - uint64_t lenbits; - size_t nlenbits; - uint64_t nibblesbits; - - /* Write ISLAST bit. - Uncompressed block cannot be the last one, so set to 0. */ - BrotliWriteBits(1, 0, storage_ix, storage); - BrotliEncodeMlen(length, &lenbits, &nlenbits, &nibblesbits); - BrotliWriteBits(2, nibblesbits, storage_ix, storage); - BrotliWriteBits(nlenbits, lenbits, storage_ix, storage); - /* Write ISUNCOMPRESSED bit. */ - BrotliWriteBits(1, 1, storage_ix, storage); -} - -static void BrotliStoreHuffmanTreeOfHuffmanTreeToBitMask( - const int num_codes, const uint8_t* code_length_bitdepth, - size_t* storage_ix, uint8_t* storage) { - static const uint8_t kStorageOrder[BROTLI_CODE_LENGTH_CODES] = { - 1, 2, 3, 4, 0, 5, 17, 6, 16, 7, 8, 9, 10, 11, 12, 13, 14, 15 - }; - /* The bit lengths of the Huffman code over the code length alphabet - are compressed with the following static Huffman code: - Symbol Code - ------ ---- - 0 00 - 1 1110 - 2 110 - 3 01 - 4 10 - 5 1111 */ - static const uint8_t kHuffmanBitLengthHuffmanCodeSymbols[6] = { - 0, 7, 3, 2, 1, 15 - }; - static const uint8_t kHuffmanBitLengthHuffmanCodeBitLengths[6] = { - 2, 4, 3, 2, 2, 4 - }; - - size_t skip_some = 0; /* skips none. */ - - /* Throw away trailing zeros: */ - size_t codes_to_store = BROTLI_CODE_LENGTH_CODES; - if (num_codes > 1) { - for (; codes_to_store > 0; --codes_to_store) { - if (code_length_bitdepth[kStorageOrder[codes_to_store - 1]] != 0) { - break; - } - } - } - if (code_length_bitdepth[kStorageOrder[0]] == 0 && - code_length_bitdepth[kStorageOrder[1]] == 0) { - skip_some = 2; /* skips two. */ - if (code_length_bitdepth[kStorageOrder[2]] == 0) { - skip_some = 3; /* skips three. */ - } - } - BrotliWriteBits(2, skip_some, storage_ix, storage); - { - size_t i; - for (i = skip_some; i < codes_to_store; ++i) { - size_t l = code_length_bitdepth[kStorageOrder[i]]; - BrotliWriteBits(kHuffmanBitLengthHuffmanCodeBitLengths[l], - kHuffmanBitLengthHuffmanCodeSymbols[l], storage_ix, storage); - } - } -} - -static void BrotliStoreHuffmanTreeToBitMask( - const size_t huffman_tree_size, const uint8_t* huffman_tree, - const uint8_t* huffman_tree_extra_bits, const uint8_t* code_length_bitdepth, - const uint16_t* code_length_bitdepth_symbols, - size_t* BROTLI_RESTRICT storage_ix, uint8_t* BROTLI_RESTRICT storage) { - size_t i; - for (i = 0; i < huffman_tree_size; ++i) { - size_t ix = huffman_tree[i]; - BrotliWriteBits(code_length_bitdepth[ix], code_length_bitdepth_symbols[ix], - storage_ix, storage); - /* Extra bits */ - switch (ix) { - case BROTLI_REPEAT_PREVIOUS_CODE_LENGTH: - BrotliWriteBits(2, huffman_tree_extra_bits[i], storage_ix, storage); - break; - case BROTLI_REPEAT_ZERO_CODE_LENGTH: - BrotliWriteBits(3, huffman_tree_extra_bits[i], storage_ix, storage); - break; - } - } -} - -static void StoreSimpleHuffmanTree(const uint8_t* depths, - size_t symbols[4], - size_t num_symbols, - size_t max_bits, - size_t* storage_ix, uint8_t* storage) { - /* value of 1 indicates a simple Huffman code */ - BrotliWriteBits(2, 1, storage_ix, storage); - BrotliWriteBits(2, num_symbols - 1, storage_ix, storage); /* NSYM - 1 */ - - { - /* Sort */ - size_t i; - for (i = 0; i < num_symbols; i++) { - size_t j; - for (j = i + 1; j < num_symbols; j++) { - if (depths[symbols[j]] < depths[symbols[i]]) { - BROTLI_SWAP(size_t, symbols, j, i); - } - } - } - } - - if (num_symbols == 2) { - BrotliWriteBits(max_bits, symbols[0], storage_ix, storage); - BrotliWriteBits(max_bits, symbols[1], storage_ix, storage); - } else if (num_symbols == 3) { - BrotliWriteBits(max_bits, symbols[0], storage_ix, storage); - BrotliWriteBits(max_bits, symbols[1], storage_ix, storage); - BrotliWriteBits(max_bits, symbols[2], storage_ix, storage); - } else { - BrotliWriteBits(max_bits, symbols[0], storage_ix, storage); - BrotliWriteBits(max_bits, symbols[1], storage_ix, storage); - BrotliWriteBits(max_bits, symbols[2], storage_ix, storage); - BrotliWriteBits(max_bits, symbols[3], storage_ix, storage); - /* tree-select */ - BrotliWriteBits(1, depths[symbols[0]] == 1 ? 1 : 0, storage_ix, storage); - } -} - -/* num = alphabet size - depths = symbol depths */ -void BrotliStoreHuffmanTree(const uint8_t* depths, size_t num, - HuffmanTree* tree, - size_t* storage_ix, uint8_t* storage) { - /* Write the Huffman tree into the brotli-representation. - The command alphabet is the largest, so this allocation will fit all - alphabets. */ - /* TODO(eustas): fix me */ - uint8_t huffman_tree[BROTLI_NUM_COMMAND_SYMBOLS]; - uint8_t huffman_tree_extra_bits[BROTLI_NUM_COMMAND_SYMBOLS]; - size_t huffman_tree_size = 0; - uint8_t code_length_bitdepth[BROTLI_CODE_LENGTH_CODES] = { 0 }; - uint16_t code_length_bitdepth_symbols[BROTLI_CODE_LENGTH_CODES]; - uint32_t huffman_tree_histogram[BROTLI_CODE_LENGTH_CODES] = { 0 }; - size_t i; - int num_codes = 0; - size_t code = 0; - - BROTLI_DCHECK(num <= BROTLI_NUM_COMMAND_SYMBOLS); - - BrotliWriteHuffmanTree(depths, num, &huffman_tree_size, huffman_tree, - huffman_tree_extra_bits); - - /* Calculate the statistics of the Huffman tree in brotli-representation. */ - for (i = 0; i < huffman_tree_size; ++i) { - ++huffman_tree_histogram[huffman_tree[i]]; - } - - for (i = 0; i < BROTLI_CODE_LENGTH_CODES; ++i) { - if (huffman_tree_histogram[i]) { - if (num_codes == 0) { - code = i; - num_codes = 1; - } else if (num_codes == 1) { - num_codes = 2; - break; - } - } - } - - /* Calculate another Huffman tree to use for compressing both the - earlier Huffman tree with. */ - BrotliCreateHuffmanTree(huffman_tree_histogram, BROTLI_CODE_LENGTH_CODES, - 5, tree, code_length_bitdepth); - BrotliConvertBitDepthsToSymbols(code_length_bitdepth, - BROTLI_CODE_LENGTH_CODES, - code_length_bitdepth_symbols); - - /* Now, we have all the data, let's start storing it */ - BrotliStoreHuffmanTreeOfHuffmanTreeToBitMask(num_codes, code_length_bitdepth, - storage_ix, storage); - - if (num_codes == 1) { - code_length_bitdepth[code] = 0; - } - - /* Store the real Huffman tree now. */ - BrotliStoreHuffmanTreeToBitMask(huffman_tree_size, - huffman_tree, - huffman_tree_extra_bits, - code_length_bitdepth, - code_length_bitdepth_symbols, - storage_ix, storage); -} - -/* Builds a Huffman tree from histogram[0:length] into depth[0:length] and - bits[0:length] and stores the encoded tree to the bit stream. */ -static void BuildAndStoreHuffmanTree(const uint32_t* histogram, - const size_t histogram_length, - const size_t alphabet_size, - HuffmanTree* tree, - uint8_t* depth, - uint16_t* bits, - size_t* storage_ix, - uint8_t* storage) { - size_t count = 0; - size_t s4[4] = { 0 }; - size_t i; - size_t max_bits = 0; - for (i = 0; i < histogram_length; i++) { - if (histogram[i]) { - if (count < 4) { - s4[count] = i; - } else if (count > 4) { - break; - } - count++; - } - } - - { - size_t max_bits_counter = alphabet_size - 1; - while (max_bits_counter) { - max_bits_counter >>= 1; - ++max_bits; - } - } - - if (count <= 1) { - BrotliWriteBits(4, 1, storage_ix, storage); - BrotliWriteBits(max_bits, s4[0], storage_ix, storage); - depth[s4[0]] = 0; - bits[s4[0]] = 0; - return; - } - - memset(depth, 0, histogram_length * sizeof(depth[0])); - BrotliCreateHuffmanTree(histogram, histogram_length, 15, tree, depth); - BrotliConvertBitDepthsToSymbols(depth, histogram_length, bits); - - if (count <= 4) { - StoreSimpleHuffmanTree(depth, s4, count, max_bits, storage_ix, storage); - } else { - BrotliStoreHuffmanTree(depth, histogram_length, tree, storage_ix, storage); - } -} - -static BROTLI_INLINE BROTLI_BOOL SortHuffmanTree( - const HuffmanTree* v0, const HuffmanTree* v1) { - return TO_BROTLI_BOOL(v0->total_count_ < v1->total_count_); -} - -void BrotliBuildAndStoreHuffmanTreeFast(HuffmanTree* tree, - const uint32_t* histogram, - const size_t histogram_total, - const size_t max_bits, - uint8_t* depth, uint16_t* bits, - size_t* storage_ix, - uint8_t* storage) { - size_t count = 0; - size_t symbols[4] = { 0 }; - size_t length = 0; - size_t total = histogram_total; - while (total != 0) { - if (histogram[length]) { - if (count < 4) { - symbols[count] = length; - } - ++count; - total -= histogram[length]; - } - ++length; - } - - if (count <= 1) { - BrotliWriteBits(4, 1, storage_ix, storage); - BrotliWriteBits(max_bits, symbols[0], storage_ix, storage); - depth[symbols[0]] = 0; - bits[symbols[0]] = 0; - return; - } - - memset(depth, 0, length * sizeof(depth[0])); - { - uint32_t count_limit; - for (count_limit = 1; ; count_limit *= 2) { - HuffmanTree* node = tree; - size_t l; - for (l = length; l != 0;) { - --l; - if (histogram[l]) { - if (BROTLI_PREDICT_TRUE(histogram[l] >= count_limit)) { - InitHuffmanTree(node, histogram[l], -1, (int16_t)l); - } else { - InitHuffmanTree(node, count_limit, -1, (int16_t)l); - } - ++node; - } - } - { - const int n = (int)(node - tree); - HuffmanTree sentinel; - int i = 0; /* Points to the next leaf node. */ - int j = n + 1; /* Points to the next non-leaf node. */ - int k; - - SortHuffmanTreeItems(tree, (size_t)n, SortHuffmanTree); - /* The nodes are: - [0, n): the sorted leaf nodes that we start with. - [n]: we add a sentinel here. - [n + 1, 2n): new parent nodes are added here, starting from - (n+1). These are naturally in ascending order. - [2n]: we add a sentinel at the end as well. - There will be (2n+1) elements at the end. */ - InitHuffmanTree(&sentinel, BROTLI_UINT32_MAX, -1, -1); - *node++ = sentinel; - *node++ = sentinel; - - for (k = n - 1; k > 0; --k) { - int left, right; - if (tree[i].total_count_ <= tree[j].total_count_) { - left = i; - ++i; - } else { - left = j; - ++j; - } - if (tree[i].total_count_ <= tree[j].total_count_) { - right = i; - ++i; - } else { - right = j; - ++j; - } - /* The sentinel node becomes the parent node. */ - node[-1].total_count_ = - tree[left].total_count_ + tree[right].total_count_; - node[-1].index_left_ = (int16_t)left; - node[-1].index_right_or_value_ = (int16_t)right; - /* Add back the last sentinel node. */ - *node++ = sentinel; - } - if (BrotliSetDepth(2 * n - 1, tree, depth, 14)) { - /* We need to pack the Huffman tree in 14 bits. If this was not - successful, add fake entities to the lowest values and retry. */ - break; - } - } - } - } - BrotliConvertBitDepthsToSymbols(depth, length, bits); - if (count <= 4) { - size_t i; - /* value of 1 indicates a simple Huffman code */ - BrotliWriteBits(2, 1, storage_ix, storage); - BrotliWriteBits(2, count - 1, storage_ix, storage); /* NSYM - 1 */ - - /* Sort */ - for (i = 0; i < count; i++) { - size_t j; - for (j = i + 1; j < count; j++) { - if (depth[symbols[j]] < depth[symbols[i]]) { - BROTLI_SWAP(size_t, symbols, j, i); - } - } - } - - if (count == 2) { - BrotliWriteBits(max_bits, symbols[0], storage_ix, storage); - BrotliWriteBits(max_bits, symbols[1], storage_ix, storage); - } else if (count == 3) { - BrotliWriteBits(max_bits, symbols[0], storage_ix, storage); - BrotliWriteBits(max_bits, symbols[1], storage_ix, storage); - BrotliWriteBits(max_bits, symbols[2], storage_ix, storage); - } else { - BrotliWriteBits(max_bits, symbols[0], storage_ix, storage); - BrotliWriteBits(max_bits, symbols[1], storage_ix, storage); - BrotliWriteBits(max_bits, symbols[2], storage_ix, storage); - BrotliWriteBits(max_bits, symbols[3], storage_ix, storage); - /* tree-select */ - BrotliWriteBits(1, depth[symbols[0]] == 1 ? 1 : 0, storage_ix, storage); - } - } else { - uint8_t previous_value = 8; - size_t i; - /* Complex Huffman Tree */ - StoreStaticCodeLengthCode(storage_ix, storage); - - /* Actual RLE coding. */ - for (i = 0; i < length;) { - const uint8_t value = depth[i]; - size_t reps = 1; - size_t k; - for (k = i + 1; k < length && depth[k] == value; ++k) { - ++reps; - } - i += reps; - if (value == 0) { - BrotliWriteBits(kZeroRepsDepth[reps], kZeroRepsBits[reps], - storage_ix, storage); - } else { - if (previous_value != value) { - BrotliWriteBits(kCodeLengthDepth[value], kCodeLengthBits[value], - storage_ix, storage); - --reps; - } - if (reps < 3) { - while (reps != 0) { - reps--; - BrotliWriteBits(kCodeLengthDepth[value], kCodeLengthBits[value], - storage_ix, storage); - } - } else { - reps -= 3; - BrotliWriteBits(kNonZeroRepsDepth[reps], kNonZeroRepsBits[reps], - storage_ix, storage); - } - previous_value = value; - } - } - } -} - -static size_t IndexOf(const uint8_t* v, size_t v_size, uint8_t value) { - size_t i = 0; - for (; i < v_size; ++i) { - if (v[i] == value) return i; - } - return i; -} - -static void MoveToFront(uint8_t* v, size_t index) { - uint8_t value = v[index]; - size_t i; - for (i = index; i != 0; --i) { - v[i] = v[i - 1]; - } - v[0] = value; -} - -static void MoveToFrontTransform(const uint32_t* BROTLI_RESTRICT v_in, - const size_t v_size, - uint32_t* v_out) { - size_t i; - uint8_t mtf[256]; - uint32_t max_value; - if (v_size == 0) { - return; - } - max_value = v_in[0]; - for (i = 1; i < v_size; ++i) { - if (v_in[i] > max_value) max_value = v_in[i]; - } - BROTLI_DCHECK(max_value < 256u); - for (i = 0; i <= max_value; ++i) { - mtf[i] = (uint8_t)i; - } - { - size_t mtf_size = max_value + 1; - for (i = 0; i < v_size; ++i) { - size_t index = IndexOf(mtf, mtf_size, (uint8_t)v_in[i]); - BROTLI_DCHECK(index < mtf_size); - v_out[i] = (uint32_t)index; - MoveToFront(mtf, index); - } - } -} - -/* Finds runs of zeros in v[0..in_size) and replaces them with a prefix code of - the run length plus extra bits (lower 9 bits is the prefix code and the rest - are the extra bits). Non-zero values in v[] are shifted by - *max_length_prefix. Will not create prefix codes bigger than the initial - value of *max_run_length_prefix. The prefix code of run length L is simply - Log2Floor(L) and the number of extra bits is the same as the prefix code. */ -static void RunLengthCodeZeros(const size_t in_size, - uint32_t* BROTLI_RESTRICT v, size_t* BROTLI_RESTRICT out_size, - uint32_t* BROTLI_RESTRICT max_run_length_prefix) { - uint32_t max_reps = 0; - size_t i; - uint32_t max_prefix; - for (i = 0; i < in_size;) { - uint32_t reps = 0; - for (; i < in_size && v[i] != 0; ++i) ; - for (; i < in_size && v[i] == 0; ++i) { - ++reps; - } - max_reps = BROTLI_MAX(uint32_t, reps, max_reps); - } - max_prefix = max_reps > 0 ? Log2FloorNonZero(max_reps) : 0; - max_prefix = BROTLI_MIN(uint32_t, max_prefix, *max_run_length_prefix); - *max_run_length_prefix = max_prefix; - *out_size = 0; - for (i = 0; i < in_size;) { - BROTLI_DCHECK(*out_size <= i); - if (v[i] != 0) { - v[*out_size] = v[i] + *max_run_length_prefix; - ++i; - ++(*out_size); - } else { - uint32_t reps = 1; - size_t k; - for (k = i + 1; k < in_size && v[k] == 0; ++k) { - ++reps; - } - i += reps; - while (reps != 0) { - if (reps < (2u << max_prefix)) { - uint32_t run_length_prefix = Log2FloorNonZero(reps); - const uint32_t extra_bits = reps - (1u << run_length_prefix); - v[*out_size] = run_length_prefix + (extra_bits << 9); - ++(*out_size); - break; - } else { - const uint32_t extra_bits = (1u << max_prefix) - 1u; - v[*out_size] = max_prefix + (extra_bits << 9); - reps -= (2u << max_prefix) - 1u; - ++(*out_size); - } - } - } - } -} - -#define SYMBOL_BITS 9 - -typedef struct EncodeContextMapArena { - uint32_t histogram[BROTLI_MAX_CONTEXT_MAP_SYMBOLS]; - uint8_t depths[BROTLI_MAX_CONTEXT_MAP_SYMBOLS]; - uint16_t bits[BROTLI_MAX_CONTEXT_MAP_SYMBOLS]; -} EncodeContextMapArena; - -static void EncodeContextMap(MemoryManager* m, - EncodeContextMapArena* arena, - const uint32_t* context_map, - size_t context_map_size, - size_t num_clusters, - HuffmanTree* tree, - size_t* storage_ix, uint8_t* storage) { - size_t i; - uint32_t* rle_symbols; - uint32_t max_run_length_prefix = 6; - size_t num_rle_symbols = 0; - uint32_t* BROTLI_RESTRICT const histogram = arena->histogram; - static const uint32_t kSymbolMask = (1u << SYMBOL_BITS) - 1u; - uint8_t* BROTLI_RESTRICT const depths = arena->depths; - uint16_t* BROTLI_RESTRICT const bits = arena->bits; - - StoreVarLenUint8(num_clusters - 1, storage_ix, storage); - - if (num_clusters == 1) { - return; - } - - rle_symbols = BROTLI_ALLOC(m, uint32_t, context_map_size); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(rle_symbols)) return; - MoveToFrontTransform(context_map, context_map_size, rle_symbols); - RunLengthCodeZeros(context_map_size, rle_symbols, - &num_rle_symbols, &max_run_length_prefix); - memset(histogram, 0, sizeof(arena->histogram)); - for (i = 0; i < num_rle_symbols; ++i) { - ++histogram[rle_symbols[i] & kSymbolMask]; - } - { - BROTLI_BOOL use_rle = TO_BROTLI_BOOL(max_run_length_prefix > 0); - BrotliWriteBits(1, (uint64_t)use_rle, storage_ix, storage); - if (use_rle) { - BrotliWriteBits(4, max_run_length_prefix - 1, storage_ix, storage); - } - } - BuildAndStoreHuffmanTree(histogram, num_clusters + max_run_length_prefix, - num_clusters + max_run_length_prefix, - tree, depths, bits, storage_ix, storage); - for (i = 0; i < num_rle_symbols; ++i) { - const uint32_t rle_symbol = rle_symbols[i] & kSymbolMask; - const uint32_t extra_bits_val = rle_symbols[i] >> SYMBOL_BITS; - BrotliWriteBits(depths[rle_symbol], bits[rle_symbol], storage_ix, storage); - if (rle_symbol > 0 && rle_symbol <= max_run_length_prefix) { - BrotliWriteBits(rle_symbol, extra_bits_val, storage_ix, storage); - } - } - BrotliWriteBits(1, 1, storage_ix, storage); /* use move-to-front */ - BROTLI_FREE(m, rle_symbols); -} - -/* Stores the block switch command with index block_ix to the bit stream. */ -static BROTLI_INLINE void StoreBlockSwitch(BlockSplitCode* code, - const uint32_t block_len, - const uint8_t block_type, - BROTLI_BOOL is_first_block, - size_t* storage_ix, - uint8_t* storage) { - size_t typecode = NextBlockTypeCode(&code->type_code_calculator, block_type); - size_t lencode; - uint32_t len_nextra; - uint32_t len_extra; - if (!is_first_block) { - BrotliWriteBits(code->type_depths[typecode], code->type_bits[typecode], - storage_ix, storage); - } - GetBlockLengthPrefixCode(block_len, &lencode, &len_nextra, &len_extra); - - BrotliWriteBits(code->length_depths[lencode], code->length_bits[lencode], - storage_ix, storage); - BrotliWriteBits(len_nextra, len_extra, storage_ix, storage); -} - -/* Builds a BlockSplitCode data structure from the block split given by the - vector of block types and block lengths and stores it to the bit stream. */ -static void BuildAndStoreBlockSplitCode(const uint8_t* types, - const uint32_t* lengths, - const size_t num_blocks, - const size_t num_types, - HuffmanTree* tree, - BlockSplitCode* code, - size_t* storage_ix, - uint8_t* storage) { - uint32_t type_histo[BROTLI_MAX_BLOCK_TYPE_SYMBOLS]; - uint32_t length_histo[BROTLI_NUM_BLOCK_LEN_SYMBOLS]; - size_t i; - BlockTypeCodeCalculator type_code_calculator; - memset(type_histo, 0, (num_types + 2) * sizeof(type_histo[0])); - memset(length_histo, 0, sizeof(length_histo)); - InitBlockTypeCodeCalculator(&type_code_calculator); - for (i = 0; i < num_blocks; ++i) { - size_t type_code = NextBlockTypeCode(&type_code_calculator, types[i]); - if (i != 0) ++type_histo[type_code]; - ++length_histo[BlockLengthPrefixCode(lengths[i])]; - } - StoreVarLenUint8(num_types - 1, storage_ix, storage); - if (num_types > 1) { /* TODO(eustas): else? could StoreBlockSwitch occur? */ - BuildAndStoreHuffmanTree(&type_histo[0], num_types + 2, num_types + 2, tree, - &code->type_depths[0], &code->type_bits[0], - storage_ix, storage); - BuildAndStoreHuffmanTree(&length_histo[0], BROTLI_NUM_BLOCK_LEN_SYMBOLS, - BROTLI_NUM_BLOCK_LEN_SYMBOLS, - tree, &code->length_depths[0], - &code->length_bits[0], storage_ix, storage); - StoreBlockSwitch(code, lengths[0], types[0], 1, storage_ix, storage); - } -} - -/* Stores a context map where the histogram type is always the block type. */ -static void StoreTrivialContextMap(EncodeContextMapArena* arena, - size_t num_types, - size_t context_bits, - HuffmanTree* tree, - size_t* storage_ix, - uint8_t* storage) { - StoreVarLenUint8(num_types - 1, storage_ix, storage); - if (num_types > 1) { - size_t repeat_code = context_bits - 1u; - size_t repeat_bits = (1u << repeat_code) - 1u; - size_t alphabet_size = num_types + repeat_code; - uint32_t* BROTLI_RESTRICT const histogram = arena->histogram; - uint8_t* BROTLI_RESTRICT const depths = arena->depths; - uint16_t* BROTLI_RESTRICT const bits = arena->bits; - size_t i; - memset(histogram, 0, alphabet_size * sizeof(histogram[0])); - /* Write RLEMAX. */ - BrotliWriteBits(1, 1, storage_ix, storage); - BrotliWriteBits(4, repeat_code - 1, storage_ix, storage); - histogram[repeat_code] = (uint32_t)num_types; - histogram[0] = 1; - for (i = context_bits; i < alphabet_size; ++i) { - histogram[i] = 1; - } - BuildAndStoreHuffmanTree(histogram, alphabet_size, alphabet_size, - tree, depths, bits, storage_ix, storage); - for (i = 0; i < num_types; ++i) { - size_t code = (i == 0 ? 0 : i + context_bits - 1); - BrotliWriteBits(depths[code], bits[code], storage_ix, storage); - BrotliWriteBits( - depths[repeat_code], bits[repeat_code], storage_ix, storage); - BrotliWriteBits(repeat_code, repeat_bits, storage_ix, storage); - } - /* Write IMTF (inverse-move-to-front) bit. */ - BrotliWriteBits(1, 1, storage_ix, storage); - } -} - -/* Manages the encoding of one block category (literal, command or distance). */ -typedef struct BlockEncoder { - size_t histogram_length_; - size_t num_block_types_; - const uint8_t* block_types_; /* Not owned. */ - const uint32_t* block_lengths_; /* Not owned. */ - size_t num_blocks_; - BlockSplitCode block_split_code_; - size_t block_ix_; - size_t block_len_; - size_t entropy_ix_; - uint8_t* depths_; - uint16_t* bits_; -} BlockEncoder; - -static void InitBlockEncoder(BlockEncoder* self, size_t histogram_length, - size_t num_block_types, const uint8_t* block_types, - const uint32_t* block_lengths, const size_t num_blocks) { - self->histogram_length_ = histogram_length; - self->num_block_types_ = num_block_types; - self->block_types_ = block_types; - self->block_lengths_ = block_lengths; - self->num_blocks_ = num_blocks; - InitBlockTypeCodeCalculator(&self->block_split_code_.type_code_calculator); - self->block_ix_ = 0; - self->block_len_ = num_blocks == 0 ? 0 : block_lengths[0]; - self->entropy_ix_ = 0; - self->depths_ = 0; - self->bits_ = 0; -} - -static void CleanupBlockEncoder(MemoryManager* m, BlockEncoder* self) { - BROTLI_FREE(m, self->depths_); - BROTLI_FREE(m, self->bits_); -} - -/* Creates entropy codes of block lengths and block types and stores them - to the bit stream. */ -static void BuildAndStoreBlockSwitchEntropyCodes(BlockEncoder* self, - HuffmanTree* tree, size_t* storage_ix, uint8_t* storage) { - BuildAndStoreBlockSplitCode(self->block_types_, self->block_lengths_, - self->num_blocks_, self->num_block_types_, tree, &self->block_split_code_, - storage_ix, storage); -} - -/* Stores the next symbol with the entropy code of the current block type. - Updates the block type and block length at block boundaries. */ -static void StoreSymbol(BlockEncoder* self, size_t symbol, size_t* storage_ix, - uint8_t* storage) { - if (self->block_len_ == 0) { - size_t block_ix = ++self->block_ix_; - uint32_t block_len = self->block_lengths_[block_ix]; - uint8_t block_type = self->block_types_[block_ix]; - self->block_len_ = block_len; - self->entropy_ix_ = block_type * self->histogram_length_; - StoreBlockSwitch(&self->block_split_code_, block_len, block_type, 0, - storage_ix, storage); - } - --self->block_len_; - { - size_t ix = self->entropy_ix_ + symbol; - BrotliWriteBits(self->depths_[ix], self->bits_[ix], storage_ix, storage); - } -} - -/* Stores the next symbol with the entropy code of the current block type and - context value. - Updates the block type and block length at block boundaries. */ -static void StoreSymbolWithContext(BlockEncoder* self, size_t symbol, - size_t context, const uint32_t* context_map, size_t* storage_ix, - uint8_t* storage, const size_t context_bits) { - if (self->block_len_ == 0) { - size_t block_ix = ++self->block_ix_; - uint32_t block_len = self->block_lengths_[block_ix]; - uint8_t block_type = self->block_types_[block_ix]; - self->block_len_ = block_len; - self->entropy_ix_ = (size_t)block_type << context_bits; - StoreBlockSwitch(&self->block_split_code_, block_len, block_type, 0, - storage_ix, storage); - } - --self->block_len_; - { - size_t histo_ix = context_map[self->entropy_ix_ + context]; - size_t ix = histo_ix * self->histogram_length_ + symbol; - BrotliWriteBits(self->depths_[ix], self->bits_[ix], storage_ix, storage); - } -} - -#define FN(X) X ## Literal -/* NOLINTNEXTLINE(build/include) */ -#include "block_encoder_inc.h" -#undef FN - -#define FN(X) X ## Command -/* NOLINTNEXTLINE(build/include) */ -#include "block_encoder_inc.h" -#undef FN - -#define FN(X) X ## Distance -/* NOLINTNEXTLINE(build/include) */ -#include "block_encoder_inc.h" -#undef FN - -static void JumpToByteBoundary(size_t* storage_ix, uint8_t* storage) { - *storage_ix = (*storage_ix + 7u) & ~7u; - storage[*storage_ix >> 3] = 0; -} - -typedef struct StoreMetablockArena { - BlockEncoder literal_enc; - BlockEncoder command_enc; - BlockEncoder distance_enc; - EncodeContextMapArena context_map_arena; -} StoreMetablockArena; - -void BrotliStoreMetaBlock(MemoryManager* m, - const uint8_t* input, size_t start_pos, size_t length, size_t mask, - uint8_t prev_byte, uint8_t prev_byte2, BROTLI_BOOL is_last, - const BrotliEncoderParams* params, ContextType literal_context_mode, - const Command* commands, size_t n_commands, const MetaBlockSplit* mb, - size_t* storage_ix, uint8_t* storage) { - - size_t pos = start_pos; - size_t i; - uint32_t num_distance_symbols = params->dist.alphabet_size_max; - uint32_t num_effective_distance_symbols = params->dist.alphabet_size_limit; - HuffmanTree* tree; - ContextLut literal_context_lut = BROTLI_CONTEXT_LUT(literal_context_mode); - StoreMetablockArena* arena = NULL; - BlockEncoder* literal_enc = NULL; - BlockEncoder* command_enc = NULL; - BlockEncoder* distance_enc = NULL; - const BrotliDistanceParams* dist = ¶ms->dist; - BROTLI_DCHECK( - num_effective_distance_symbols <= BROTLI_NUM_HISTOGRAM_DISTANCE_SYMBOLS); - - StoreCompressedMetaBlockHeader(is_last, length, storage_ix, storage); - - tree = BROTLI_ALLOC(m, HuffmanTree, MAX_HUFFMAN_TREE_SIZE); - arena = BROTLI_ALLOC(m, StoreMetablockArena, 1); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(tree) || BROTLI_IS_NULL(arena)) return; - literal_enc = &arena->literal_enc; - command_enc = &arena->command_enc; - distance_enc = &arena->distance_enc; - InitBlockEncoder(literal_enc, BROTLI_NUM_LITERAL_SYMBOLS, - mb->literal_split.num_types, mb->literal_split.types, - mb->literal_split.lengths, mb->literal_split.num_blocks); - InitBlockEncoder(command_enc, BROTLI_NUM_COMMAND_SYMBOLS, - mb->command_split.num_types, mb->command_split.types, - mb->command_split.lengths, mb->command_split.num_blocks); - InitBlockEncoder(distance_enc, num_effective_distance_symbols, - mb->distance_split.num_types, mb->distance_split.types, - mb->distance_split.lengths, mb->distance_split.num_blocks); - - BuildAndStoreBlockSwitchEntropyCodes(literal_enc, tree, storage_ix, storage); - BuildAndStoreBlockSwitchEntropyCodes(command_enc, tree, storage_ix, storage); - BuildAndStoreBlockSwitchEntropyCodes(distance_enc, tree, storage_ix, storage); - - BrotliWriteBits(2, dist->distance_postfix_bits, storage_ix, storage); - BrotliWriteBits( - 4, dist->num_direct_distance_codes >> dist->distance_postfix_bits, - storage_ix, storage); - for (i = 0; i < mb->literal_split.num_types; ++i) { - BrotliWriteBits(2, literal_context_mode, storage_ix, storage); - } - - if (mb->literal_context_map_size == 0) { - StoreTrivialContextMap( - &arena->context_map_arena, mb->literal_histograms_size, - BROTLI_LITERAL_CONTEXT_BITS, tree, storage_ix, storage); - } else { - EncodeContextMap(m, &arena->context_map_arena, - mb->literal_context_map, mb->literal_context_map_size, - mb->literal_histograms_size, tree, storage_ix, storage); - if (BROTLI_IS_OOM(m)) return; - } - - if (mb->distance_context_map_size == 0) { - StoreTrivialContextMap( - &arena->context_map_arena, mb->distance_histograms_size, - BROTLI_DISTANCE_CONTEXT_BITS, tree, storage_ix, storage); - } else { - EncodeContextMap(m, &arena->context_map_arena, - mb->distance_context_map, mb->distance_context_map_size, - mb->distance_histograms_size, tree, storage_ix, storage); - if (BROTLI_IS_OOM(m)) return; - } - - BuildAndStoreEntropyCodesLiteral(m, literal_enc, mb->literal_histograms, - mb->literal_histograms_size, BROTLI_NUM_LITERAL_SYMBOLS, tree, - storage_ix, storage); - if (BROTLI_IS_OOM(m)) return; - BuildAndStoreEntropyCodesCommand(m, command_enc, mb->command_histograms, - mb->command_histograms_size, BROTLI_NUM_COMMAND_SYMBOLS, tree, - storage_ix, storage); - if (BROTLI_IS_OOM(m)) return; - BuildAndStoreEntropyCodesDistance(m, distance_enc, mb->distance_histograms, - mb->distance_histograms_size, num_distance_symbols, tree, - storage_ix, storage); - if (BROTLI_IS_OOM(m)) return; - BROTLI_FREE(m, tree); - - for (i = 0; i < n_commands; ++i) { - const Command cmd = commands[i]; - size_t cmd_code = cmd.cmd_prefix_; - StoreSymbol(command_enc, cmd_code, storage_ix, storage); - StoreCommandExtra(&cmd, storage_ix, storage); - if (mb->literal_context_map_size == 0) { - size_t j; - for (j = cmd.insert_len_; j != 0; --j) { - StoreSymbol(literal_enc, input[pos & mask], storage_ix, storage); - ++pos; - } - } else { - size_t j; - for (j = cmd.insert_len_; j != 0; --j) { - size_t context = - BROTLI_CONTEXT(prev_byte, prev_byte2, literal_context_lut); - uint8_t literal = input[pos & mask]; - StoreSymbolWithContext(literal_enc, literal, context, - mb->literal_context_map, storage_ix, storage, - BROTLI_LITERAL_CONTEXT_BITS); - prev_byte2 = prev_byte; - prev_byte = literal; - ++pos; - } - } - pos += CommandCopyLen(&cmd); - if (CommandCopyLen(&cmd)) { - prev_byte2 = input[(pos - 2) & mask]; - prev_byte = input[(pos - 1) & mask]; - if (cmd.cmd_prefix_ >= 128) { - size_t dist_code = cmd.dist_prefix_ & 0x3FF; - uint32_t distnumextra = cmd.dist_prefix_ >> 10; - uint64_t distextra = cmd.dist_extra_; - if (mb->distance_context_map_size == 0) { - StoreSymbol(distance_enc, dist_code, storage_ix, storage); - } else { - size_t context = CommandDistanceContext(&cmd); - StoreSymbolWithContext(distance_enc, dist_code, context, - mb->distance_context_map, storage_ix, storage, - BROTLI_DISTANCE_CONTEXT_BITS); - } - BrotliWriteBits(distnumextra, distextra, storage_ix, storage); - } - } - } - CleanupBlockEncoder(m, distance_enc); - CleanupBlockEncoder(m, command_enc); - CleanupBlockEncoder(m, literal_enc); - BROTLI_FREE(m, arena); - if (is_last) { - JumpToByteBoundary(storage_ix, storage); - } -} - -static void BuildHistograms(const uint8_t* input, - size_t start_pos, - size_t mask, - const Command* commands, - size_t n_commands, - HistogramLiteral* lit_histo, - HistogramCommand* cmd_histo, - HistogramDistance* dist_histo) { - size_t pos = start_pos; - size_t i; - for (i = 0; i < n_commands; ++i) { - const Command cmd = commands[i]; - size_t j; - HistogramAddCommand(cmd_histo, cmd.cmd_prefix_); - for (j = cmd.insert_len_; j != 0; --j) { - HistogramAddLiteral(lit_histo, input[pos & mask]); - ++pos; - } - pos += CommandCopyLen(&cmd); - if (CommandCopyLen(&cmd) && cmd.cmd_prefix_ >= 128) { - HistogramAddDistance(dist_histo, cmd.dist_prefix_ & 0x3FF); - } - } -} - -static void StoreDataWithHuffmanCodes(const uint8_t* input, - size_t start_pos, - size_t mask, - const Command* commands, - size_t n_commands, - const uint8_t* lit_depth, - const uint16_t* lit_bits, - const uint8_t* cmd_depth, - const uint16_t* cmd_bits, - const uint8_t* dist_depth, - const uint16_t* dist_bits, - size_t* storage_ix, - uint8_t* storage) { - size_t pos = start_pos; - size_t i; - for (i = 0; i < n_commands; ++i) { - const Command cmd = commands[i]; - const size_t cmd_code = cmd.cmd_prefix_; - size_t j; - BrotliWriteBits( - cmd_depth[cmd_code], cmd_bits[cmd_code], storage_ix, storage); - StoreCommandExtra(&cmd, storage_ix, storage); - for (j = cmd.insert_len_; j != 0; --j) { - const uint8_t literal = input[pos & mask]; - BrotliWriteBits( - lit_depth[literal], lit_bits[literal], storage_ix, storage); - ++pos; - } - pos += CommandCopyLen(&cmd); - if (CommandCopyLen(&cmd) && cmd.cmd_prefix_ >= 128) { - const size_t dist_code = cmd.dist_prefix_ & 0x3FF; - const uint32_t distnumextra = cmd.dist_prefix_ >> 10; - const uint32_t distextra = cmd.dist_extra_; - BrotliWriteBits(dist_depth[dist_code], dist_bits[dist_code], - storage_ix, storage); - BrotliWriteBits(distnumextra, distextra, storage_ix, storage); - } - } -} - -/* TODO(eustas): pull alloc/dealloc to caller? */ -typedef struct MetablockArena { - HistogramLiteral lit_histo; - HistogramCommand cmd_histo; - HistogramDistance dist_histo; - /* TODO(eustas): merge bits and depth? */ - uint8_t lit_depth[BROTLI_NUM_LITERAL_SYMBOLS]; - uint16_t lit_bits[BROTLI_NUM_LITERAL_SYMBOLS]; - uint8_t cmd_depth[BROTLI_NUM_COMMAND_SYMBOLS]; - uint16_t cmd_bits[BROTLI_NUM_COMMAND_SYMBOLS]; - uint8_t dist_depth[MAX_SIMPLE_DISTANCE_ALPHABET_SIZE]; - uint16_t dist_bits[MAX_SIMPLE_DISTANCE_ALPHABET_SIZE]; - HuffmanTree tree[MAX_HUFFMAN_TREE_SIZE]; -} MetablockArena; - -void BrotliStoreMetaBlockTrivial(MemoryManager* m, - const uint8_t* input, size_t start_pos, size_t length, size_t mask, - BROTLI_BOOL is_last, const BrotliEncoderParams* params, - const Command* commands, size_t n_commands, - size_t* storage_ix, uint8_t* storage) { - MetablockArena* arena = BROTLI_ALLOC(m, MetablockArena, 1); - uint32_t num_distance_symbols = params->dist.alphabet_size_max; - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(arena)) return; - - StoreCompressedMetaBlockHeader(is_last, length, storage_ix, storage); - - HistogramClearLiteral(&arena->lit_histo); - HistogramClearCommand(&arena->cmd_histo); - HistogramClearDistance(&arena->dist_histo); - - BuildHistograms(input, start_pos, mask, commands, n_commands, - &arena->lit_histo, &arena->cmd_histo, &arena->dist_histo); - - BrotliWriteBits(13, 0, storage_ix, storage); - - BuildAndStoreHuffmanTree(arena->lit_histo.data_, BROTLI_NUM_LITERAL_SYMBOLS, - BROTLI_NUM_LITERAL_SYMBOLS, arena->tree, - arena->lit_depth, arena->lit_bits, - storage_ix, storage); - BuildAndStoreHuffmanTree(arena->cmd_histo.data_, BROTLI_NUM_COMMAND_SYMBOLS, - BROTLI_NUM_COMMAND_SYMBOLS, arena->tree, - arena->cmd_depth, arena->cmd_bits, - storage_ix, storage); - BuildAndStoreHuffmanTree(arena->dist_histo.data_, - MAX_SIMPLE_DISTANCE_ALPHABET_SIZE, - num_distance_symbols, arena->tree, - arena->dist_depth, arena->dist_bits, - storage_ix, storage); - StoreDataWithHuffmanCodes(input, start_pos, mask, commands, - n_commands, arena->lit_depth, arena->lit_bits, - arena->cmd_depth, arena->cmd_bits, - arena->dist_depth, arena->dist_bits, - storage_ix, storage); - BROTLI_FREE(m, arena); - if (is_last) { - JumpToByteBoundary(storage_ix, storage); - } -} - -void BrotliStoreMetaBlockFast(MemoryManager* m, - const uint8_t* input, size_t start_pos, size_t length, size_t mask, - BROTLI_BOOL is_last, const BrotliEncoderParams* params, - const Command* commands, size_t n_commands, - size_t* storage_ix, uint8_t* storage) { - MetablockArena* arena = BROTLI_ALLOC(m, MetablockArena, 1); - uint32_t num_distance_symbols = params->dist.alphabet_size_max; - uint32_t distance_alphabet_bits = - Log2FloorNonZero(num_distance_symbols - 1) + 1; - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(arena)) return; - - StoreCompressedMetaBlockHeader(is_last, length, storage_ix, storage); - - BrotliWriteBits(13, 0, storage_ix, storage); - - if (n_commands <= 128) { - uint32_t histogram[BROTLI_NUM_LITERAL_SYMBOLS] = { 0 }; - size_t pos = start_pos; - size_t num_literals = 0; - size_t i; - for (i = 0; i < n_commands; ++i) { - const Command cmd = commands[i]; - size_t j; - for (j = cmd.insert_len_; j != 0; --j) { - ++histogram[input[pos & mask]]; - ++pos; - } - num_literals += cmd.insert_len_; - pos += CommandCopyLen(&cmd); - } - BrotliBuildAndStoreHuffmanTreeFast(arena->tree, histogram, num_literals, - /* max_bits = */ 8, - arena->lit_depth, arena->lit_bits, - storage_ix, storage); - StoreStaticCommandHuffmanTree(storage_ix, storage); - StoreStaticDistanceHuffmanTree(storage_ix, storage); - StoreDataWithHuffmanCodes(input, start_pos, mask, commands, - n_commands, arena->lit_depth, arena->lit_bits, - kStaticCommandCodeDepth, - kStaticCommandCodeBits, - kStaticDistanceCodeDepth, - kStaticDistanceCodeBits, - storage_ix, storage); - } else { - HistogramClearLiteral(&arena->lit_histo); - HistogramClearCommand(&arena->cmd_histo); - HistogramClearDistance(&arena->dist_histo); - BuildHistograms(input, start_pos, mask, commands, n_commands, - &arena->lit_histo, &arena->cmd_histo, &arena->dist_histo); - BrotliBuildAndStoreHuffmanTreeFast(arena->tree, arena->lit_histo.data_, - arena->lit_histo.total_count_, - /* max_bits = */ 8, - arena->lit_depth, arena->lit_bits, - storage_ix, storage); - BrotliBuildAndStoreHuffmanTreeFast(arena->tree, arena->cmd_histo.data_, - arena->cmd_histo.total_count_, - /* max_bits = */ 10, - arena->cmd_depth, arena->cmd_bits, - storage_ix, storage); - BrotliBuildAndStoreHuffmanTreeFast(arena->tree, arena->dist_histo.data_, - arena->dist_histo.total_count_, - /* max_bits = */ - distance_alphabet_bits, - arena->dist_depth, arena->dist_bits, - storage_ix, storage); - StoreDataWithHuffmanCodes(input, start_pos, mask, commands, - n_commands, arena->lit_depth, arena->lit_bits, - arena->cmd_depth, arena->cmd_bits, - arena->dist_depth, arena->dist_bits, - storage_ix, storage); - } - - BROTLI_FREE(m, arena); - - if (is_last) { - JumpToByteBoundary(storage_ix, storage); - } -} - -/* This is for storing uncompressed blocks (simple raw storage of - bytes-as-bytes). */ -void BrotliStoreUncompressedMetaBlock(BROTLI_BOOL is_final_block, - const uint8_t* BROTLI_RESTRICT input, - size_t position, size_t mask, - size_t len, - size_t* BROTLI_RESTRICT storage_ix, - uint8_t* BROTLI_RESTRICT storage) { - size_t masked_pos = position & mask; - BrotliStoreUncompressedMetaBlockHeader(len, storage_ix, storage); - JumpToByteBoundary(storage_ix, storage); - - if (masked_pos + len > mask + 1) { - size_t len1 = mask + 1 - masked_pos; - memcpy(&storage[*storage_ix >> 3], &input[masked_pos], len1); - *storage_ix += len1 << 3; - len -= len1; - masked_pos = 0; - } - memcpy(&storage[*storage_ix >> 3], &input[masked_pos], len); - *storage_ix += len << 3; - - /* We need to clear the next 4 bytes to continue to be - compatible with BrotliWriteBits. */ - BrotliWriteBitsPrepareStorage(*storage_ix, storage); - - /* Since the uncompressed block itself may not be the final block, add an - empty one after this. */ - if (is_final_block) { - BrotliWriteBits(1, 1, storage_ix, storage); /* islast */ - BrotliWriteBits(1, 1, storage_ix, storage); /* isempty */ - JumpToByteBoundary(storage_ix, storage); - } -} - -#if defined(BROTLI_TEST) -void GetBlockLengthPrefixCodeForTest(uint32_t len, size_t* code, - uint32_t* n_extra, uint32_t* extra) { - GetBlockLengthPrefixCode(len, code, n_extra, extra); -} -#endif - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/brotli_bit_stream.h b/src/deps/brotli/enc/brotli_bit_stream.h deleted file mode 100644 index a289509af3..0000000000 --- a/src/deps/brotli/enc/brotli_bit_stream.h +++ /dev/null @@ -1,89 +0,0 @@ -/* Copyright 2014 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Functions to convert brotli-related data structures into the - brotli bit stream. The functions here operate under - assumption that there is enough space in the storage, i.e., there are - no out-of-range checks anywhere. - - These functions do bit addressing into a byte array. The byte array - is called "storage" and the index to the bit is called storage_ix - in function arguments. */ - -#ifndef BROTLI_ENC_BROTLI_BIT_STREAM_H_ -#define BROTLI_ENC_BROTLI_BIT_STREAM_H_ - -#include - -#include "../common/context.h" -#include "../common/platform.h" -#include "command.h" -#include "entropy_encode.h" -#include "memory.h" -#include "metablock.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/* All Store functions here will use a storage_ix, which is always the bit - position for the current storage. */ - -BROTLI_INTERNAL void BrotliStoreHuffmanTree(const uint8_t* depths, size_t num, - HuffmanTree* tree, size_t* storage_ix, uint8_t* storage); - -BROTLI_INTERNAL void BrotliBuildAndStoreHuffmanTreeFast( - HuffmanTree* tree, const uint32_t* histogram, const size_t histogram_total, - const size_t max_bits, uint8_t* depth, uint16_t* bits, size_t* storage_ix, - uint8_t* storage); - -/* REQUIRES: length > 0 */ -/* REQUIRES: length <= (1 << 24) */ -BROTLI_INTERNAL void BrotliStoreMetaBlock(MemoryManager* m, - const uint8_t* input, size_t start_pos, size_t length, size_t mask, - uint8_t prev_byte, uint8_t prev_byte2, BROTLI_BOOL is_last, - const BrotliEncoderParams* params, ContextType literal_context_mode, - const Command* commands, size_t n_commands, const MetaBlockSplit* mb, - size_t* storage_ix, uint8_t* storage); - -/* Stores the meta-block without doing any block splitting, just collects - one histogram per block category and uses that for entropy coding. - REQUIRES: length > 0 - REQUIRES: length <= (1 << 24) */ -BROTLI_INTERNAL void BrotliStoreMetaBlockTrivial(MemoryManager* m, - const uint8_t* input, size_t start_pos, size_t length, size_t mask, - BROTLI_BOOL is_last, const BrotliEncoderParams* params, - const Command* commands, size_t n_commands, - size_t* storage_ix, uint8_t* storage); - -/* Same as above, but uses static prefix codes for histograms with a only a few - symbols, and uses static code length prefix codes for all other histograms. - REQUIRES: length > 0 - REQUIRES: length <= (1 << 24) */ -BROTLI_INTERNAL void BrotliStoreMetaBlockFast(MemoryManager* m, - const uint8_t* input, size_t start_pos, size_t length, size_t mask, - BROTLI_BOOL is_last, const BrotliEncoderParams* params, - const Command* commands, size_t n_commands, - size_t* storage_ix, uint8_t* storage); - -/* This is for storing uncompressed blocks (simple raw storage of - bytes-as-bytes). - REQUIRES: length > 0 - REQUIRES: length <= (1 << 24) */ -BROTLI_INTERNAL void BrotliStoreUncompressedMetaBlock( - BROTLI_BOOL is_final_block, const uint8_t* BROTLI_RESTRICT input, - size_t position, size_t mask, size_t len, - size_t* BROTLI_RESTRICT storage_ix, uint8_t* BROTLI_RESTRICT storage); - -#if defined(BROTLI_TEST) -void GetBlockLengthPrefixCodeForTest(uint32_t, size_t*, uint32_t*, uint32_t*); -#endif - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_BROTLI_BIT_STREAM_H_ */ diff --git a/src/deps/brotli/enc/cluster.c b/src/deps/brotli/enc/cluster.c deleted file mode 100644 index b0faf8114c..0000000000 --- a/src/deps/brotli/enc/cluster.c +++ /dev/null @@ -1,57 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Functions for clustering similar histograms together. */ - -#include "cluster.h" - -#include - -#include "../common/platform.h" -#include "bit_cost.h" /* BrotliPopulationCost */ -#include "fast_log.h" -#include "histogram.h" -#include "memory.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -static BROTLI_INLINE BROTLI_BOOL HistogramPairIsLess( - const HistogramPair* p1, const HistogramPair* p2) { - if (p1->cost_diff != p2->cost_diff) { - return TO_BROTLI_BOOL(p1->cost_diff > p2->cost_diff); - } - return TO_BROTLI_BOOL((p1->idx2 - p1->idx1) > (p2->idx2 - p2->idx1)); -} - -/* Returns entropy reduction of the context map when we combine two clusters. */ -static BROTLI_INLINE double ClusterCostDiff(size_t size_a, size_t size_b) { - size_t size_c = size_a + size_b; - return (double)size_a * FastLog2(size_a) + - (double)size_b * FastLog2(size_b) - - (double)size_c * FastLog2(size_c); -} - -#define CODE(X) X - -#define FN(X) X ## Literal -#include "cluster_inc.h" /* NOLINT(build/include) */ -#undef FN - -#define FN(X) X ## Command -#include "cluster_inc.h" /* NOLINT(build/include) */ -#undef FN - -#define FN(X) X ## Distance -#include "cluster_inc.h" /* NOLINT(build/include) */ -#undef FN - -#undef CODE - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/cluster.h b/src/deps/brotli/enc/cluster.h deleted file mode 100644 index 013629c6d9..0000000000 --- a/src/deps/brotli/enc/cluster.h +++ /dev/null @@ -1,49 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Functions for clustering similar histograms together. */ - -#ifndef BROTLI_ENC_CLUSTER_H_ -#define BROTLI_ENC_CLUSTER_H_ - -#include - -#include "../common/platform.h" -#include "histogram.h" -#include "memory.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -typedef struct HistogramPair { - uint32_t idx1; - uint32_t idx2; - double cost_combo; - double cost_diff; -} HistogramPair; - -#define CODE(X) /* Declaration */; - -#define FN(X) X ## Literal -#include "cluster_inc.h" /* NOLINT(build/include) */ -#undef FN - -#define FN(X) X ## Command -#include "cluster_inc.h" /* NOLINT(build/include) */ -#undef FN - -#define FN(X) X ## Distance -#include "cluster_inc.h" /* NOLINT(build/include) */ -#undef FN - -#undef CODE - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_CLUSTER_H_ */ diff --git a/src/deps/brotli/enc/cluster_inc.h b/src/deps/brotli/enc/cluster_inc.h deleted file mode 100644 index d6215ef06e..0000000000 --- a/src/deps/brotli/enc/cluster_inc.h +++ /dev/null @@ -1,325 +0,0 @@ -/* NOLINT(build/header_guard) */ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* template parameters: FN, CODE */ - -#define HistogramType FN(Histogram) - -/* Computes the bit cost reduction by combining out[idx1] and out[idx2] and if - it is below a threshold, stores the pair (idx1, idx2) in the *pairs queue. */ -BROTLI_INTERNAL void FN(BrotliCompareAndPushToQueue)( - const HistogramType* out, HistogramType* tmp, const uint32_t* cluster_size, - uint32_t idx1, uint32_t idx2, size_t max_num_pairs, HistogramPair* pairs, - size_t* num_pairs) CODE({ - BROTLI_BOOL is_good_pair = BROTLI_FALSE; - HistogramPair p; - p.idx1 = p.idx2 = 0; - p.cost_diff = p.cost_combo = 0; - if (idx1 == idx2) { - return; - } - if (idx2 < idx1) { - uint32_t t = idx2; - idx2 = idx1; - idx1 = t; - } - p.idx1 = idx1; - p.idx2 = idx2; - p.cost_diff = 0.5 * ClusterCostDiff(cluster_size[idx1], cluster_size[idx2]); - p.cost_diff -= out[idx1].bit_cost_; - p.cost_diff -= out[idx2].bit_cost_; - - if (out[idx1].total_count_ == 0) { - p.cost_combo = out[idx2].bit_cost_; - is_good_pair = BROTLI_TRUE; - } else if (out[idx2].total_count_ == 0) { - p.cost_combo = out[idx1].bit_cost_; - is_good_pair = BROTLI_TRUE; - } else { - double threshold = *num_pairs == 0 ? 1e99 : - BROTLI_MAX(double, 0.0, pairs[0].cost_diff); - double cost_combo; - *tmp = out[idx1]; - FN(HistogramAddHistogram)(tmp, &out[idx2]); - cost_combo = FN(BrotliPopulationCost)(tmp); - if (cost_combo < threshold - p.cost_diff) { - p.cost_combo = cost_combo; - is_good_pair = BROTLI_TRUE; - } - } - if (is_good_pair) { - p.cost_diff += p.cost_combo; - if (*num_pairs > 0 && HistogramPairIsLess(&pairs[0], &p)) { - /* Replace the top of the queue if needed. */ - if (*num_pairs < max_num_pairs) { - pairs[*num_pairs] = pairs[0]; - ++(*num_pairs); - } - pairs[0] = p; - } else if (*num_pairs < max_num_pairs) { - pairs[*num_pairs] = p; - ++(*num_pairs); - } - } -}) - -BROTLI_INTERNAL size_t FN(BrotliHistogramCombine)(HistogramType* out, - HistogramType* tmp, - uint32_t* cluster_size, - uint32_t* symbols, - uint32_t* clusters, - HistogramPair* pairs, - size_t num_clusters, - size_t symbols_size, - size_t max_clusters, - size_t max_num_pairs) CODE({ - double cost_diff_threshold = 0.0; - size_t min_cluster_size = 1; - size_t num_pairs = 0; - - { - /* We maintain a vector of histogram pairs, with the property that the pair - with the maximum bit cost reduction is the first. */ - size_t idx1; - for (idx1 = 0; idx1 < num_clusters; ++idx1) { - size_t idx2; - for (idx2 = idx1 + 1; idx2 < num_clusters; ++idx2) { - FN(BrotliCompareAndPushToQueue)(out, tmp, cluster_size, clusters[idx1], - clusters[idx2], max_num_pairs, &pairs[0], &num_pairs); - } - } - } - - while (num_clusters > min_cluster_size) { - uint32_t best_idx1; - uint32_t best_idx2; - size_t i; - if (pairs[0].cost_diff >= cost_diff_threshold) { - cost_diff_threshold = 1e99; - min_cluster_size = max_clusters; - continue; - } - /* Take the best pair from the top of heap. */ - best_idx1 = pairs[0].idx1; - best_idx2 = pairs[0].idx2; - FN(HistogramAddHistogram)(&out[best_idx1], &out[best_idx2]); - out[best_idx1].bit_cost_ = pairs[0].cost_combo; - cluster_size[best_idx1] += cluster_size[best_idx2]; - for (i = 0; i < symbols_size; ++i) { - if (symbols[i] == best_idx2) { - symbols[i] = best_idx1; - } - } - for (i = 0; i < num_clusters; ++i) { - if (clusters[i] == best_idx2) { - memmove(&clusters[i], &clusters[i + 1], - (num_clusters - i - 1) * sizeof(clusters[0])); - break; - } - } - --num_clusters; - { - /* Remove pairs intersecting the just combined best pair. */ - size_t copy_to_idx = 0; - for (i = 0; i < num_pairs; ++i) { - HistogramPair* p = &pairs[i]; - if (p->idx1 == best_idx1 || p->idx2 == best_idx1 || - p->idx1 == best_idx2 || p->idx2 == best_idx2) { - /* Remove invalid pair from the queue. */ - continue; - } - if (HistogramPairIsLess(&pairs[0], p)) { - /* Replace the top of the queue if needed. */ - HistogramPair front = pairs[0]; - pairs[0] = *p; - pairs[copy_to_idx] = front; - } else { - pairs[copy_to_idx] = *p; - } - ++copy_to_idx; - } - num_pairs = copy_to_idx; - } - - /* Push new pairs formed with the combined histogram to the heap. */ - for (i = 0; i < num_clusters; ++i) { - FN(BrotliCompareAndPushToQueue)(out, tmp, cluster_size, best_idx1, - clusters[i], max_num_pairs, &pairs[0], &num_pairs); - } - } - return num_clusters; -}) - -/* What is the bit cost of moving histogram from cur_symbol to candidate. */ -BROTLI_INTERNAL double FN(BrotliHistogramBitCostDistance)( - const HistogramType* histogram, const HistogramType* candidate, - HistogramType* tmp) CODE({ - if (histogram->total_count_ == 0) { - return 0.0; - } else { - *tmp = *histogram; - FN(HistogramAddHistogram)(tmp, candidate); - return FN(BrotliPopulationCost)(tmp) - candidate->bit_cost_; - } -}) - -/* Find the best 'out' histogram for each of the 'in' histograms. - When called, clusters[0..num_clusters) contains the unique values from - symbols[0..in_size), but this property is not preserved in this function. - Note: we assume that out[]->bit_cost_ is already up-to-date. */ -BROTLI_INTERNAL void FN(BrotliHistogramRemap)(const HistogramType* in, - size_t in_size, const uint32_t* clusters, size_t num_clusters, - HistogramType* out, HistogramType* tmp, uint32_t* symbols) CODE({ - size_t i; - for (i = 0; i < in_size; ++i) { - uint32_t best_out = i == 0 ? symbols[0] : symbols[i - 1]; - double best_bits = - FN(BrotliHistogramBitCostDistance)(&in[i], &out[best_out], tmp); - size_t j; - for (j = 0; j < num_clusters; ++j) { - const double cur_bits = - FN(BrotliHistogramBitCostDistance)(&in[i], &out[clusters[j]], tmp); - if (cur_bits < best_bits) { - best_bits = cur_bits; - best_out = clusters[j]; - } - } - symbols[i] = best_out; - } - - /* Recompute each out based on raw and symbols. */ - for (i = 0; i < num_clusters; ++i) { - FN(HistogramClear)(&out[clusters[i]]); - } - for (i = 0; i < in_size; ++i) { - FN(HistogramAddHistogram)(&out[symbols[i]], &in[i]); - } -}) - -/* Reorders elements of the out[0..length) array and changes values in - symbols[0..length) array in the following way: - * when called, symbols[] contains indexes into out[], and has N unique - values (possibly N < length) - * on return, symbols'[i] = f(symbols[i]) and - out'[symbols'[i]] = out[symbols[i]], for each 0 <= i < length, - where f is a bijection between the range of symbols[] and [0..N), and - the first occurrences of values in symbols'[i] come in consecutive - increasing order. - Returns N, the number of unique values in symbols[]. */ -BROTLI_INTERNAL size_t FN(BrotliHistogramReindex)(MemoryManager* m, - HistogramType* out, uint32_t* symbols, size_t length) CODE({ - static const uint32_t kInvalidIndex = BROTLI_UINT32_MAX; - uint32_t* new_index = BROTLI_ALLOC(m, uint32_t, length); - uint32_t next_index; - HistogramType* tmp; - size_t i; - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(new_index)) return 0; - for (i = 0; i < length; ++i) { - new_index[i] = kInvalidIndex; - } - next_index = 0; - for (i = 0; i < length; ++i) { - if (new_index[symbols[i]] == kInvalidIndex) { - new_index[symbols[i]] = next_index; - ++next_index; - } - } - /* TODO(eustas): by using idea of "cycle-sort" we can avoid allocation of - tmp and reduce the number of copying by the factor of 2. */ - tmp = BROTLI_ALLOC(m, HistogramType, next_index); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(tmp)) return 0; - next_index = 0; - for (i = 0; i < length; ++i) { - if (new_index[symbols[i]] == next_index) { - tmp[next_index] = out[symbols[i]]; - ++next_index; - } - symbols[i] = new_index[symbols[i]]; - } - BROTLI_FREE(m, new_index); - for (i = 0; i < next_index; ++i) { - out[i] = tmp[i]; - } - BROTLI_FREE(m, tmp); - return next_index; -}) - -BROTLI_INTERNAL void FN(BrotliClusterHistograms)( - MemoryManager* m, const HistogramType* in, const size_t in_size, - size_t max_histograms, HistogramType* out, size_t* out_size, - uint32_t* histogram_symbols) CODE({ - uint32_t* cluster_size = BROTLI_ALLOC(m, uint32_t, in_size); - uint32_t* clusters = BROTLI_ALLOC(m, uint32_t, in_size); - size_t num_clusters = 0; - const size_t max_input_histograms = 64; - size_t pairs_capacity = max_input_histograms * max_input_histograms / 2; - /* For the first pass of clustering, we allow all pairs. */ - HistogramPair* pairs = BROTLI_ALLOC(m, HistogramPair, pairs_capacity + 1); - /* TODO(eustas): move to "persistent" arena? */ - HistogramType* tmp = BROTLI_ALLOC(m, HistogramType, 1); - size_t i; - - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(cluster_size) || - BROTLI_IS_NULL(clusters) || BROTLI_IS_NULL(pairs)|| BROTLI_IS_NULL(tmp)) { - return; - } - - for (i = 0; i < in_size; ++i) { - cluster_size[i] = 1; - } - - for (i = 0; i < in_size; ++i) { - out[i] = in[i]; - out[i].bit_cost_ = FN(BrotliPopulationCost)(&in[i]); - histogram_symbols[i] = (uint32_t)i; - } - - for (i = 0; i < in_size; i += max_input_histograms) { - size_t num_to_combine = - BROTLI_MIN(size_t, in_size - i, max_input_histograms); - size_t num_new_clusters; - size_t j; - for (j = 0; j < num_to_combine; ++j) { - clusters[num_clusters + j] = (uint32_t)(i + j); - } - num_new_clusters = - FN(BrotliHistogramCombine)(out, tmp, cluster_size, - &histogram_symbols[i], - &clusters[num_clusters], pairs, - num_to_combine, num_to_combine, - max_histograms, pairs_capacity); - num_clusters += num_new_clusters; - } - - { - /* For the second pass, we limit the total number of histogram pairs. - After this limit is reached, we only keep searching for the best pair. */ - size_t max_num_pairs = BROTLI_MIN(size_t, - 64 * num_clusters, (num_clusters / 2) * num_clusters); - BROTLI_ENSURE_CAPACITY( - m, HistogramPair, pairs, pairs_capacity, max_num_pairs + 1); - if (BROTLI_IS_OOM(m)) return; - - /* Collapse similar histograms. */ - num_clusters = FN(BrotliHistogramCombine)(out, tmp, cluster_size, - histogram_symbols, clusters, - pairs, num_clusters, in_size, - max_histograms, max_num_pairs); - } - BROTLI_FREE(m, pairs); - BROTLI_FREE(m, cluster_size); - /* Find the optimal map from original histograms to the final ones. */ - FN(BrotliHistogramRemap)(in, in_size, clusters, num_clusters, - out, tmp, histogram_symbols); - BROTLI_FREE(m, tmp); - BROTLI_FREE(m, clusters); - /* Convert the context map to a canonical form. */ - *out_size = FN(BrotliHistogramReindex)(m, out, histogram_symbols, in_size); - if (BROTLI_IS_OOM(m)) return; -}) - -#undef HistogramType diff --git a/src/deps/brotli/enc/command.c b/src/deps/brotli/enc/command.c deleted file mode 100644 index bf80561bca..0000000000 --- a/src/deps/brotli/enc/command.c +++ /dev/null @@ -1,28 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -#include "command.h" - -#include - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -const uint32_t kBrotliInsBase[BROTLI_NUM_INS_COPY_CODES] = { - 0, 1, 2, 3, 4, 5, 6, 8, 10, 14, 18, 26, - 34, 50, 66, 98, 130, 194, 322, 578, 1090, 2114, 6210, 22594}; -const uint32_t kBrotliInsExtra[BROTLI_NUM_INS_COPY_CODES] = { - 0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 7, 8, 9, 10, 12, 14, 24}; -const uint32_t kBrotliCopyBase[BROTLI_NUM_INS_COPY_CODES] = { - 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 18, - 22, 30, 38, 54, 70, 102, 134, 198, 326, 582, 1094, 2118}; -const uint32_t kBrotliCopyExtra[BROTLI_NUM_INS_COPY_CODES] = { - 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 7, 8, 9, 10, 24}; - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/command.h b/src/deps/brotli/enc/command.h deleted file mode 100644 index ba4de7eab3..0000000000 --- a/src/deps/brotli/enc/command.h +++ /dev/null @@ -1,191 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* This class models a sequence of literals and a backward reference copy. */ - -#ifndef BROTLI_ENC_COMMAND_H_ -#define BROTLI_ENC_COMMAND_H_ - -#include - -#include "../common/constants.h" -#include "../common/platform.h" -#include "fast_log.h" -#include "params.h" -#include "prefix.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -BROTLI_INTERNAL extern const uint32_t - kBrotliInsBase[BROTLI_NUM_INS_COPY_CODES]; -BROTLI_INTERNAL extern const uint32_t - kBrotliInsExtra[BROTLI_NUM_INS_COPY_CODES]; -BROTLI_INTERNAL extern const uint32_t - kBrotliCopyBase[BROTLI_NUM_INS_COPY_CODES]; -BROTLI_INTERNAL extern const uint32_t - kBrotliCopyExtra[BROTLI_NUM_INS_COPY_CODES]; - -static BROTLI_INLINE uint16_t GetInsertLengthCode(size_t insertlen) { - if (insertlen < 6) { - return (uint16_t)insertlen; - } else if (insertlen < 130) { - uint32_t nbits = Log2FloorNonZero(insertlen - 2) - 1u; - return (uint16_t)((nbits << 1) + ((insertlen - 2) >> nbits) + 2); - } else if (insertlen < 2114) { - return (uint16_t)(Log2FloorNonZero(insertlen - 66) + 10); - } else if (insertlen < 6210) { - return 21u; - } else if (insertlen < 22594) { - return 22u; - } else { - return 23u; - } -} - -static BROTLI_INLINE uint16_t GetCopyLengthCode(size_t copylen) { - if (copylen < 10) { - return (uint16_t)(copylen - 2); - } else if (copylen < 134) { - uint32_t nbits = Log2FloorNonZero(copylen - 6) - 1u; - return (uint16_t)((nbits << 1) + ((copylen - 6) >> nbits) + 4); - } else if (copylen < 2118) { - return (uint16_t)(Log2FloorNonZero(copylen - 70) + 12); - } else { - return 23u; - } -} - -static BROTLI_INLINE uint16_t CombineLengthCodes( - uint16_t inscode, uint16_t copycode, BROTLI_BOOL use_last_distance) { - uint16_t bits64 = - (uint16_t)((copycode & 0x7u) | ((inscode & 0x7u) << 3u)); - if (use_last_distance && inscode < 8u && copycode < 16u) { - return (copycode < 8u) ? bits64 : (bits64 | 64u); - } else { - /* Specification: 5 Encoding of ... (last table) */ - /* offset = 2 * index, where index is in range [0..8] */ - uint32_t offset = 2u * ((copycode >> 3u) + 3u * (inscode >> 3u)); - /* All values in specification are K * 64, - where K = [2, 3, 6, 4, 5, 8, 7, 9, 10], - i + 1 = [1, 2, 3, 4, 5, 6, 7, 8, 9], - K - i - 1 = [1, 1, 3, 0, 0, 2, 0, 1, 2] = D. - All values in D require only 2 bits to encode. - Magic constant is shifted 6 bits left, to avoid final multiplication. */ - offset = (offset << 5u) + 0x40u + ((0x520D40u >> offset) & 0xC0u); - return (uint16_t)(offset | bits64); - } -} - -static BROTLI_INLINE void GetLengthCode(size_t insertlen, size_t copylen, - BROTLI_BOOL use_last_distance, - uint16_t* code) { - uint16_t inscode = GetInsertLengthCode(insertlen); - uint16_t copycode = GetCopyLengthCode(copylen); - *code = CombineLengthCodes(inscode, copycode, use_last_distance); -} - -static BROTLI_INLINE uint32_t GetInsertBase(uint16_t inscode) { - return kBrotliInsBase[inscode]; -} - -static BROTLI_INLINE uint32_t GetInsertExtra(uint16_t inscode) { - return kBrotliInsExtra[inscode]; -} - -static BROTLI_INLINE uint32_t GetCopyBase(uint16_t copycode) { - return kBrotliCopyBase[copycode]; -} - -static BROTLI_INLINE uint32_t GetCopyExtra(uint16_t copycode) { - return kBrotliCopyExtra[copycode]; -} - -typedef struct Command { - uint32_t insert_len_; - /* Stores copy_len in low 25 bits and copy_code - copy_len in high 7 bit. */ - uint32_t copy_len_; - /* Stores distance extra bits. */ - uint32_t dist_extra_; - uint16_t cmd_prefix_; - /* Stores distance code in low 10 bits - and number of extra bits in high 6 bits. */ - uint16_t dist_prefix_; -} Command; - -/* distance_code is e.g. 0 for same-as-last short code, or 16 for offset 1. */ -static BROTLI_INLINE void InitCommand(Command* self, - const BrotliDistanceParams* dist, size_t insertlen, - size_t copylen, int copylen_code_delta, size_t distance_code) { - /* Don't rely on signed int representation, use honest casts. */ - uint32_t delta = (uint8_t)((int8_t)copylen_code_delta); - self->insert_len_ = (uint32_t)insertlen; - self->copy_len_ = (uint32_t)(copylen | (delta << 25)); - /* The distance prefix and extra bits are stored in this Command as if - npostfix and ndirect were 0, they are only recomputed later after the - clustering if needed. */ - PrefixEncodeCopyDistance( - distance_code, dist->num_direct_distance_codes, - dist->distance_postfix_bits, &self->dist_prefix_, &self->dist_extra_); - GetLengthCode( - insertlen, (size_t)((int)copylen + copylen_code_delta), - TO_BROTLI_BOOL((self->dist_prefix_ & 0x3FF) == 0), &self->cmd_prefix_); -} - -static BROTLI_INLINE void InitInsertCommand(Command* self, size_t insertlen) { - self->insert_len_ = (uint32_t)insertlen; - self->copy_len_ = 4 << 25; - self->dist_extra_ = 0; - self->dist_prefix_ = BROTLI_NUM_DISTANCE_SHORT_CODES; - GetLengthCode(insertlen, 4, BROTLI_FALSE, &self->cmd_prefix_); -} - -static BROTLI_INLINE uint32_t CommandRestoreDistanceCode( - const Command* self, const BrotliDistanceParams* dist) { - if ((self->dist_prefix_ & 0x3FFu) < - BROTLI_NUM_DISTANCE_SHORT_CODES + dist->num_direct_distance_codes) { - return self->dist_prefix_ & 0x3FFu; - } else { - uint32_t dcode = self->dist_prefix_ & 0x3FFu; - uint32_t nbits = self->dist_prefix_ >> 10; - uint32_t extra = self->dist_extra_; - uint32_t postfix_mask = (1U << dist->distance_postfix_bits) - 1U; - uint32_t hcode = (dcode - dist->num_direct_distance_codes - - BROTLI_NUM_DISTANCE_SHORT_CODES) >> - dist->distance_postfix_bits; - uint32_t lcode = (dcode - dist->num_direct_distance_codes - - BROTLI_NUM_DISTANCE_SHORT_CODES) & postfix_mask; - uint32_t offset = ((2U + (hcode & 1U)) << nbits) - 4U; - return ((offset + extra) << dist->distance_postfix_bits) + lcode + - dist->num_direct_distance_codes + BROTLI_NUM_DISTANCE_SHORT_CODES; - } -} - -static BROTLI_INLINE uint32_t CommandDistanceContext(const Command* self) { - uint32_t r = self->cmd_prefix_ >> 6; - uint32_t c = self->cmd_prefix_ & 7; - if ((r == 0 || r == 2 || r == 4 || r == 7) && (c <= 2)) { - return c; - } - return 3; -} - -static BROTLI_INLINE uint32_t CommandCopyLen(const Command* self) { - return self->copy_len_ & 0x1FFFFFF; -} - -static BROTLI_INLINE uint32_t CommandCopyLenCode(const Command* self) { - uint32_t modifier = self->copy_len_ >> 25; - int32_t delta = (int8_t)((uint8_t)(modifier | ((modifier & 0x40) << 1))); - return (uint32_t)((int32_t)(self->copy_len_ & 0x1FFFFFF) + delta); -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_COMMAND_H_ */ diff --git a/src/deps/brotli/enc/compound_dictionary.c b/src/deps/brotli/enc/compound_dictionary.c deleted file mode 100644 index a3b5e6933d..0000000000 --- a/src/deps/brotli/enc/compound_dictionary.c +++ /dev/null @@ -1,207 +0,0 @@ -/* Copyright 2017 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -#include "compound_dictionary.h" - -#include - -#include "../common/platform.h" -#include "memory.h" -#include "quality.h" - -static PreparedDictionary* CreatePreparedDictionaryWithParams(MemoryManager* m, - const uint8_t* source, size_t source_size, uint32_t bucket_bits, - uint32_t slot_bits, uint32_t hash_bits, uint16_t bucket_limit) { - /* Step 1: create "bloated" hasher. */ - uint32_t num_slots = 1u << slot_bits; - uint32_t num_buckets = 1u << bucket_bits; - uint32_t hash_shift = 64u - bucket_bits; - uint64_t hash_mask = (~((uint64_t)0U)) >> (64 - hash_bits); - uint32_t slot_mask = num_slots - 1; - size_t alloc_size = (sizeof(uint32_t) << slot_bits) + - (sizeof(uint32_t) << slot_bits) + - (sizeof(uint16_t) << bucket_bits) + - (sizeof(uint32_t) << bucket_bits) + - (sizeof(uint32_t) * source_size); - uint8_t* flat = NULL; - PreparedDictionary* result = NULL; - uint16_t* num = NULL; - uint32_t* bucket_heads = NULL; - uint32_t* next_bucket = NULL; - uint32_t* slot_offsets = NULL; - uint16_t* heads = NULL; - uint32_t* items = NULL; - uint8_t** source_ref = NULL; - uint32_t i; - uint32_t* slot_size = NULL; - uint32_t* slot_limit = NULL; - uint32_t total_items = 0; - if (slot_bits > 16) return NULL; - if (slot_bits > bucket_bits) return NULL; - if (bucket_bits - slot_bits >= 16) return NULL; - - flat = BROTLI_ALLOC(m, uint8_t, alloc_size); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(flat)) return NULL; - - slot_size = (uint32_t*)flat; - slot_limit = (uint32_t*)(&slot_size[num_slots]); - num = (uint16_t*)(&slot_limit[num_slots]); - bucket_heads = (uint32_t*)(&num[num_buckets]); - next_bucket = (uint32_t*)(&bucket_heads[num_buckets]); - memset(num, 0, num_buckets * sizeof(num[0])); - - /* TODO(eustas): apply custom "store" order. */ - for (i = 0; i + 7 < source_size; ++i) { - const uint64_t h = (BROTLI_UNALIGNED_LOAD64LE(&source[i]) & hash_mask) * - kPreparedDictionaryHashMul64Long; - const uint32_t key = (uint32_t)(h >> hash_shift); - uint16_t count = num[key]; - next_bucket[i] = (count == 0) ? ((uint32_t)(-1)) : bucket_heads[key]; - bucket_heads[key] = i; - count++; - if (count > bucket_limit) count = bucket_limit; - num[key] = count; - } - - /* Step 2: find slot limits. */ - for (i = 0; i < num_slots; ++i) { - BROTLI_BOOL overflow = BROTLI_FALSE; - slot_limit[i] = bucket_limit; - while (BROTLI_TRUE) { - uint32_t limit = slot_limit[i]; - size_t j; - uint32_t count = 0; - overflow = BROTLI_FALSE; - for (j = i; j < num_buckets; j += num_slots) { - uint32_t size = num[j]; - /* Last chain may span behind 64K limit; overflow happens only if - we are about to use 0xFFFF+ as item offset. */ - if (count >= 0xFFFF) { - overflow = BROTLI_TRUE; - break; - } - if (size > limit) size = limit; - count += size; - } - if (!overflow) { - slot_size[i] = count; - total_items += count; - break; - } - slot_limit[i]--; - } - } - - /* Step 3: transfer data to "slim" hasher. */ - alloc_size = sizeof(PreparedDictionary) + (sizeof(uint32_t) << slot_bits) + - (sizeof(uint16_t) << bucket_bits) + (sizeof(uint32_t) * total_items) + - sizeof(uint8_t*); - - result = (PreparedDictionary*)BROTLI_ALLOC(m, uint8_t, alloc_size); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(result)) { - BROTLI_FREE(m, flat); - return NULL; - } - slot_offsets = (uint32_t*)(&result[1]); - heads = (uint16_t*)(&slot_offsets[num_slots]); - items = (uint32_t*)(&heads[num_buckets]); - source_ref = (uint8_t**)(&items[total_items]); - - result->magic = kLeanPreparedDictionaryMagic; - result->num_items = total_items; - result->source_size = (uint32_t)source_size; - result->hash_bits = hash_bits; - result->bucket_bits = bucket_bits; - result->slot_bits = slot_bits; - BROTLI_UNALIGNED_STORE_PTR(source_ref, source); - - total_items = 0; - for (i = 0; i < num_slots; ++i) { - slot_offsets[i] = total_items; - total_items += slot_size[i]; - slot_size[i] = 0; - } - for (i = 0; i < num_buckets; ++i) { - uint32_t slot = i & slot_mask; - uint32_t count = num[i]; - uint32_t pos; - size_t j; - size_t cursor = slot_size[slot]; - if (count > slot_limit[slot]) count = slot_limit[slot]; - if (count == 0) { - heads[i] = 0xFFFF; - continue; - } - heads[i] = (uint16_t)cursor; - cursor += slot_offsets[slot]; - slot_size[slot] += count; - pos = bucket_heads[i]; - for (j = 0; j < count; j++) { - items[cursor++] = pos; - pos = next_bucket[pos]; - } - items[cursor - 1] |= 0x80000000; - } - - BROTLI_FREE(m, flat); - return result; -} - -PreparedDictionary* CreatePreparedDictionary(MemoryManager* m, - const uint8_t* source, size_t source_size) { - uint32_t bucket_bits = 17; - uint32_t slot_bits = 7; - uint32_t hash_bits = 40; - uint16_t bucket_limit = 32; - size_t volume = 16u << bucket_bits; - /* Tune parameters to fit dictionary size. */ - while (volume < source_size && bucket_bits < 22) { - bucket_bits++; - slot_bits++; - volume <<= 1; - } - return CreatePreparedDictionaryWithParams(m, - source, source_size, bucket_bits, slot_bits, hash_bits, bucket_limit); -} - -void DestroyPreparedDictionary(MemoryManager* m, - PreparedDictionary* dictionary) { - if (!dictionary) return; - BROTLI_FREE(m, dictionary); -} - -BROTLI_BOOL AttachPreparedDictionary( - CompoundDictionary* compound, const PreparedDictionary* dictionary) { - size_t length = 0; - size_t index = 0; - - if (compound->num_chunks == SHARED_BROTLI_MAX_COMPOUND_DICTS) { - return BROTLI_FALSE; - } - - if (!dictionary) return BROTLI_FALSE; - - length = dictionary->source_size; - index = compound->num_chunks; - compound->total_size += length; - compound->chunks[index] = dictionary; - compound->chunk_offsets[index + 1] = compound->total_size; - { - uint32_t* slot_offsets = (uint32_t*)(&dictionary[1]); - uint16_t* heads = (uint16_t*)(&slot_offsets[1u << dictionary->slot_bits]); - uint32_t* items = (uint32_t*)(&heads[1u << dictionary->bucket_bits]); - const void* tail = (void*)&items[dictionary->num_items]; - if (dictionary->magic == kPreparedDictionaryMagic) { - compound->chunk_source[index] = (const uint8_t*)tail; - } else { - /* dictionary->magic == kLeanPreparedDictionaryMagic */ - compound->chunk_source[index] = - (const uint8_t*)BROTLI_UNALIGNED_LOAD_PTR((const uint8_t**)tail); - } - } - compound->num_chunks++; - return BROTLI_TRUE; -} diff --git a/src/deps/brotli/enc/compound_dictionary.h b/src/deps/brotli/enc/compound_dictionary.h deleted file mode 100644 index 9c531d5b19..0000000000 --- a/src/deps/brotli/enc/compound_dictionary.h +++ /dev/null @@ -1,74 +0,0 @@ -/* Copyright 2017 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -#ifndef BROTLI_ENC_PREPARED_DICTIONARY_H_ -#define BROTLI_ENC_PREPARED_DICTIONARY_H_ - -#include -#include - -#include "../common/platform.h" -#include "../common/constants.h" -#include "memory.h" - -/* "Fat" prepared dictionary, could be cooked outside of C implementation, - * e.g. on Java side. LZ77 data is copied inside PreparedDictionary struct. */ -static const uint32_t kPreparedDictionaryMagic = 0xDEBCEDE0; - -static const uint32_t kSharedDictionaryMagic = 0xDEBCEDE1; - -static const uint32_t kManagedDictionaryMagic = 0xDEBCEDE2; - -/* "Lean" prepared dictionary. LZ77 data is referenced. It is the responsibility - * of caller of "prepare dictionary" to keep the LZ77 data while prepared - * dictionary is in use. */ -static const uint32_t kLeanPreparedDictionaryMagic = 0xDEBCEDE3; - -static const uint64_t kPreparedDictionaryHashMul64Long = - BROTLI_MAKE_UINT64_T(0x1FE35A7Bu, 0xD3579BD3u); - -typedef struct PreparedDictionary { - uint32_t magic; - uint32_t num_items; - uint32_t source_size; - uint32_t hash_bits; - uint32_t bucket_bits; - uint32_t slot_bits; - - /* --- Dynamic size members --- */ - - /* uint32_t slot_offsets[1 << slot_bits]; */ - /* uint16_t heads[1 << bucket_bits]; */ - /* uint32_t items[variable]; */ - - /* [maybe] uint8_t* source_ref, depending on magic. */ - /* [maybe] uint8_t source[source_size], depending on magic. */ -} PreparedDictionary; - -BROTLI_INTERNAL PreparedDictionary* CreatePreparedDictionary(MemoryManager* m, - const uint8_t* source, size_t source_size); - -BROTLI_INTERNAL void DestroyPreparedDictionary(MemoryManager* m, - PreparedDictionary* dictionary); - -typedef struct CompoundDictionary { - /* LZ77 prefix, compound dictionary */ - size_t num_chunks; - size_t total_size; - /* Client instances. */ - const PreparedDictionary* chunks[SHARED_BROTLI_MAX_COMPOUND_DICTS + 1]; - const uint8_t* chunk_source[SHARED_BROTLI_MAX_COMPOUND_DICTS + 1]; - size_t chunk_offsets[SHARED_BROTLI_MAX_COMPOUND_DICTS + 1]; - - size_t num_prepared_instances_; - /* Owned instances. */ - PreparedDictionary* prepared_instances_[SHARED_BROTLI_MAX_COMPOUND_DICTS + 1]; -} CompoundDictionary; - -BROTLI_INTERNAL BROTLI_BOOL AttachPreparedDictionary( - CompoundDictionary* compound, const PreparedDictionary* dictionary); - -#endif /* BROTLI_ENC_PREPARED_DICTIONARY */ diff --git a/src/deps/brotli/enc/compress_fragment.c b/src/deps/brotli/enc/compress_fragment.c deleted file mode 100644 index 13890eabf6..0000000000 --- a/src/deps/brotli/enc/compress_fragment.c +++ /dev/null @@ -1,800 +0,0 @@ -/* Copyright 2015 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Function for fast encoding of an input fragment, independently from the input - history. This function uses one-pass processing: when we find a backward - match, we immediately emit the corresponding command and literal codes to - the bit stream. - - Adapted from the CompressFragment() function in - https://github.com/google/snappy/blob/master/snappy.cc */ - -#include "compress_fragment.h" - -#include /* memcmp, memcpy, memset */ - -#include - -#include "../common/platform.h" -#include "brotli_bit_stream.h" -#include "entropy_encode.h" -#include "fast_log.h" -#include "find_match_length.h" -#include "write_bits.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define MAX_DISTANCE (long)BROTLI_MAX_BACKWARD_LIMIT(18) - -/* kHashMul32 multiplier has these properties: - * The multiplier must be odd. Otherwise we may lose the highest bit. - * No long streaks of ones or zeros. - * There is no effort to ensure that it is a prime, the oddity is enough - for this use. - * The number has been tuned heuristically against compression benchmarks. */ -static const uint32_t kHashMul32 = 0x1E35A7BD; - -static BROTLI_INLINE uint32_t Hash(const uint8_t* p, size_t shift) { - const uint64_t h = (BROTLI_UNALIGNED_LOAD64LE(p) << 24) * kHashMul32; - return (uint32_t)(h >> shift); -} - -static BROTLI_INLINE uint32_t HashBytesAtOffset( - uint64_t v, int offset, size_t shift) { - BROTLI_DCHECK(offset >= 0); - BROTLI_DCHECK(offset <= 3); - { - const uint64_t h = ((v >> (8 * offset)) << 24) * kHashMul32; - return (uint32_t)(h >> shift); - } -} - -static BROTLI_INLINE BROTLI_BOOL IsMatch(const uint8_t* p1, const uint8_t* p2) { - return TO_BROTLI_BOOL( - BrotliUnalignedRead32(p1) == BrotliUnalignedRead32(p2) && - p1[4] == p2[4]); -} - -/* Builds a literal prefix code into "depths" and "bits" based on the statistics - of the "input" string and stores it into the bit stream. - Note that the prefix code here is built from the pre-LZ77 input, therefore - we can only approximate the statistics of the actual literal stream. - Moreover, for long inputs we build a histogram from a sample of the input - and thus have to assign a non-zero depth for each literal. - Returns estimated compression ratio millibytes/char for encoding given input - with generated code. */ -static size_t BuildAndStoreLiteralPrefixCode(BrotliOnePassArena* s, - const uint8_t* input, - const size_t input_size, - uint8_t depths[256], - uint16_t bits[256], - size_t* storage_ix, - uint8_t* storage) { - uint32_t* BROTLI_RESTRICT const histogram = s->histogram; - size_t histogram_total; - size_t i; - memset(histogram, 0, sizeof(s->histogram)); - - if (input_size < (1 << 15)) { - for (i = 0; i < input_size; ++i) { - ++histogram[input[i]]; - } - histogram_total = input_size; - for (i = 0; i < 256; ++i) { - /* We weigh the first 11 samples with weight 3 to account for the - balancing effect of the LZ77 phase on the histogram. */ - const uint32_t adjust = 2 * BROTLI_MIN(uint32_t, histogram[i], 11u); - histogram[i] += adjust; - histogram_total += adjust; - } - } else { - static const size_t kSampleRate = 29; - for (i = 0; i < input_size; i += kSampleRate) { - ++histogram[input[i]]; - } - histogram_total = (input_size + kSampleRate - 1) / kSampleRate; - for (i = 0; i < 256; ++i) { - /* We add 1 to each population count to avoid 0 bit depths (since this is - only a sample and we don't know if the symbol appears or not), and we - weigh the first 11 samples with weight 3 to account for the balancing - effect of the LZ77 phase on the histogram (more frequent symbols are - more likely to be in backward references instead as literals). */ - const uint32_t adjust = 1 + 2 * BROTLI_MIN(uint32_t, histogram[i], 11u); - histogram[i] += adjust; - histogram_total += adjust; - } - } - BrotliBuildAndStoreHuffmanTreeFast(s->tree, histogram, histogram_total, - /* max_bits = */ 8, - depths, bits, storage_ix, storage); - { - size_t literal_ratio = 0; - for (i = 0; i < 256; ++i) { - if (histogram[i]) literal_ratio += histogram[i] * depths[i]; - } - /* Estimated encoding ratio, millibytes per symbol. */ - return (literal_ratio * 125) / histogram_total; - } -} - -/* Builds a command and distance prefix code (each 64 symbols) into "depth" and - "bits" based on "histogram" and stores it into the bit stream. */ -static void BuildAndStoreCommandPrefixCode(BrotliOnePassArena* s, - size_t* storage_ix, uint8_t* storage) { - const uint32_t* const histogram = s->cmd_histo; - uint8_t* const depth = s->cmd_depth; - uint16_t* const bits = s->cmd_bits; - uint8_t* BROTLI_RESTRICT const tmp_depth = s->tmp_depth; - uint16_t* BROTLI_RESTRICT const tmp_bits = s->tmp_bits; - /* TODO(eustas): do only once on initialization. */ - memset(tmp_depth, 0, BROTLI_NUM_COMMAND_SYMBOLS); - - BrotliCreateHuffmanTree(histogram, 64, 15, s->tree, depth); - BrotliCreateHuffmanTree(&histogram[64], 64, 14, s->tree, &depth[64]); - /* We have to jump through a few hoops here in order to compute - the command bits because the symbols are in a different order than in - the full alphabet. This looks complicated, but having the symbols - in this order in the command bits saves a few branches in the Emit* - functions. */ - memcpy(tmp_depth, depth, 24); - memcpy(tmp_depth + 24, depth + 40, 8); - memcpy(tmp_depth + 32, depth + 24, 8); - memcpy(tmp_depth + 40, depth + 48, 8); - memcpy(tmp_depth + 48, depth + 32, 8); - memcpy(tmp_depth + 56, depth + 56, 8); - BrotliConvertBitDepthsToSymbols(tmp_depth, 64, tmp_bits); - memcpy(bits, tmp_bits, 48); - memcpy(bits + 24, tmp_bits + 32, 16); - memcpy(bits + 32, tmp_bits + 48, 16); - memcpy(bits + 40, tmp_bits + 24, 16); - memcpy(bits + 48, tmp_bits + 40, 16); - memcpy(bits + 56, tmp_bits + 56, 16); - BrotliConvertBitDepthsToSymbols(&depth[64], 64, &bits[64]); - { - /* Create the bit length array for the full command alphabet. */ - size_t i; - memset(tmp_depth, 0, 64); /* only 64 first values were used */ - memcpy(tmp_depth, depth, 8); - memcpy(tmp_depth + 64, depth + 8, 8); - memcpy(tmp_depth + 128, depth + 16, 8); - memcpy(tmp_depth + 192, depth + 24, 8); - memcpy(tmp_depth + 384, depth + 32, 8); - for (i = 0; i < 8; ++i) { - tmp_depth[128 + 8 * i] = depth[40 + i]; - tmp_depth[256 + 8 * i] = depth[48 + i]; - tmp_depth[448 + 8 * i] = depth[56 + i]; - } - /* TODO(eustas): could/should full-length machinery be avoided? */ - BrotliStoreHuffmanTree( - tmp_depth, BROTLI_NUM_COMMAND_SYMBOLS, s->tree, storage_ix, storage); - } - BrotliStoreHuffmanTree(&depth[64], 64, s->tree, storage_ix, storage); -} - -/* REQUIRES: insertlen < 6210 */ -static BROTLI_INLINE void EmitInsertLen(size_t insertlen, - const uint8_t depth[128], - const uint16_t bits[128], - uint32_t histo[128], - size_t* storage_ix, - uint8_t* storage) { - if (insertlen < 6) { - const size_t code = insertlen + 40; - BrotliWriteBits(depth[code], bits[code], storage_ix, storage); - ++histo[code]; - } else if (insertlen < 130) { - const size_t tail = insertlen - 2; - const uint32_t nbits = Log2FloorNonZero(tail) - 1u; - const size_t prefix = tail >> nbits; - const size_t inscode = (nbits << 1) + prefix + 42; - BrotliWriteBits(depth[inscode], bits[inscode], storage_ix, storage); - BrotliWriteBits(nbits, tail - (prefix << nbits), storage_ix, storage); - ++histo[inscode]; - } else if (insertlen < 2114) { - const size_t tail = insertlen - 66; - const uint32_t nbits = Log2FloorNonZero(tail); - const size_t code = nbits + 50; - BrotliWriteBits(depth[code], bits[code], storage_ix, storage); - BrotliWriteBits(nbits, tail - ((size_t)1 << nbits), storage_ix, storage); - ++histo[code]; - } else { - BrotliWriteBits(depth[61], bits[61], storage_ix, storage); - BrotliWriteBits(12, insertlen - 2114, storage_ix, storage); - ++histo[61]; - } -} - -static BROTLI_INLINE void EmitLongInsertLen(size_t insertlen, - const uint8_t depth[128], - const uint16_t bits[128], - uint32_t histo[128], - size_t* storage_ix, - uint8_t* storage) { - if (insertlen < 22594) { - BrotliWriteBits(depth[62], bits[62], storage_ix, storage); - BrotliWriteBits(14, insertlen - 6210, storage_ix, storage); - ++histo[62]; - } else { - BrotliWriteBits(depth[63], bits[63], storage_ix, storage); - BrotliWriteBits(24, insertlen - 22594, storage_ix, storage); - ++histo[63]; - } -} - -static BROTLI_INLINE void EmitCopyLen(size_t copylen, - const uint8_t depth[128], - const uint16_t bits[128], - uint32_t histo[128], - size_t* storage_ix, - uint8_t* storage) { - if (copylen < 10) { - BrotliWriteBits( - depth[copylen + 14], bits[copylen + 14], storage_ix, storage); - ++histo[copylen + 14]; - } else if (copylen < 134) { - const size_t tail = copylen - 6; - const uint32_t nbits = Log2FloorNonZero(tail) - 1u; - const size_t prefix = tail >> nbits; - const size_t code = (nbits << 1) + prefix + 20; - BrotliWriteBits(depth[code], bits[code], storage_ix, storage); - BrotliWriteBits(nbits, tail - (prefix << nbits), storage_ix, storage); - ++histo[code]; - } else if (copylen < 2118) { - const size_t tail = copylen - 70; - const uint32_t nbits = Log2FloorNonZero(tail); - const size_t code = nbits + 28; - BrotliWriteBits(depth[code], bits[code], storage_ix, storage); - BrotliWriteBits(nbits, tail - ((size_t)1 << nbits), storage_ix, storage); - ++histo[code]; - } else { - BrotliWriteBits(depth[39], bits[39], storage_ix, storage); - BrotliWriteBits(24, copylen - 2118, storage_ix, storage); - ++histo[39]; - } -} - -static BROTLI_INLINE void EmitCopyLenLastDistance(size_t copylen, - const uint8_t depth[128], - const uint16_t bits[128], - uint32_t histo[128], - size_t* storage_ix, - uint8_t* storage) { - if (copylen < 12) { - BrotliWriteBits(depth[copylen - 4], bits[copylen - 4], storage_ix, storage); - ++histo[copylen - 4]; - } else if (copylen < 72) { - const size_t tail = copylen - 8; - const uint32_t nbits = Log2FloorNonZero(tail) - 1; - const size_t prefix = tail >> nbits; - const size_t code = (nbits << 1) + prefix + 4; - BrotliWriteBits(depth[code], bits[code], storage_ix, storage); - BrotliWriteBits(nbits, tail - (prefix << nbits), storage_ix, storage); - ++histo[code]; - } else if (copylen < 136) { - const size_t tail = copylen - 8; - const size_t code = (tail >> 5) + 30; - BrotliWriteBits(depth[code], bits[code], storage_ix, storage); - BrotliWriteBits(5, tail & 31, storage_ix, storage); - BrotliWriteBits(depth[64], bits[64], storage_ix, storage); - ++histo[code]; - ++histo[64]; - } else if (copylen < 2120) { - const size_t tail = copylen - 72; - const uint32_t nbits = Log2FloorNonZero(tail); - const size_t code = nbits + 28; - BrotliWriteBits(depth[code], bits[code], storage_ix, storage); - BrotliWriteBits(nbits, tail - ((size_t)1 << nbits), storage_ix, storage); - BrotliWriteBits(depth[64], bits[64], storage_ix, storage); - ++histo[code]; - ++histo[64]; - } else { - BrotliWriteBits(depth[39], bits[39], storage_ix, storage); - BrotliWriteBits(24, copylen - 2120, storage_ix, storage); - BrotliWriteBits(depth[64], bits[64], storage_ix, storage); - ++histo[39]; - ++histo[64]; - } -} - -static BROTLI_INLINE void EmitDistance(size_t distance, - const uint8_t depth[128], - const uint16_t bits[128], - uint32_t histo[128], - size_t* storage_ix, uint8_t* storage) { - const size_t d = distance + 3; - const uint32_t nbits = Log2FloorNonZero(d) - 1u; - const size_t prefix = (d >> nbits) & 1; - const size_t offset = (2 + prefix) << nbits; - const size_t distcode = 2 * (nbits - 1) + prefix + 80; - BrotliWriteBits(depth[distcode], bits[distcode], storage_ix, storage); - BrotliWriteBits(nbits, d - offset, storage_ix, storage); - ++histo[distcode]; -} - -static BROTLI_INLINE void EmitLiterals(const uint8_t* input, const size_t len, - const uint8_t depth[256], - const uint16_t bits[256], - size_t* storage_ix, uint8_t* storage) { - size_t j; - for (j = 0; j < len; j++) { - const uint8_t lit = input[j]; - BrotliWriteBits(depth[lit], bits[lit], storage_ix, storage); - } -} - -/* REQUIRES: len <= 1 << 24. */ -static void BrotliStoreMetaBlockHeader( - size_t len, BROTLI_BOOL is_uncompressed, size_t* storage_ix, - uint8_t* storage) { - size_t nibbles = 6; - /* ISLAST */ - BrotliWriteBits(1, 0, storage_ix, storage); - if (len <= (1U << 16)) { - nibbles = 4; - } else if (len <= (1U << 20)) { - nibbles = 5; - } - BrotliWriteBits(2, nibbles - 4, storage_ix, storage); - BrotliWriteBits(nibbles * 4, len - 1, storage_ix, storage); - /* ISUNCOMPRESSED */ - BrotliWriteBits(1, (uint64_t)is_uncompressed, storage_ix, storage); -} - -static void UpdateBits(size_t n_bits, uint32_t bits, size_t pos, - uint8_t* array) { - while (n_bits > 0) { - size_t byte_pos = pos >> 3; - size_t n_unchanged_bits = pos & 7; - size_t n_changed_bits = BROTLI_MIN(size_t, n_bits, 8 - n_unchanged_bits); - size_t total_bits = n_unchanged_bits + n_changed_bits; - uint32_t mask = - (~((1u << total_bits) - 1u)) | ((1u << n_unchanged_bits) - 1u); - uint32_t unchanged_bits = array[byte_pos] & mask; - uint32_t changed_bits = bits & ((1u << n_changed_bits) - 1u); - array[byte_pos] = - (uint8_t)((changed_bits << n_unchanged_bits) | unchanged_bits); - n_bits -= n_changed_bits; - bits >>= n_changed_bits; - pos += n_changed_bits; - } -} - -static void RewindBitPosition(const size_t new_storage_ix, - size_t* storage_ix, uint8_t* storage) { - const size_t bitpos = new_storage_ix & 7; - const size_t mask = (1u << bitpos) - 1; - storage[new_storage_ix >> 3] &= (uint8_t)mask; - *storage_ix = new_storage_ix; -} - -static BROTLI_BOOL ShouldMergeBlock(BrotliOnePassArena* s, - const uint8_t* data, size_t len, const uint8_t* depths) { - uint32_t* BROTLI_RESTRICT const histo = s->histogram; - static const size_t kSampleRate = 43; - size_t i; - memset(histo, 0, sizeof(s->histogram)); - for (i = 0; i < len; i += kSampleRate) { - ++histo[data[i]]; - } - { - const size_t total = (len + kSampleRate - 1) / kSampleRate; - double r = (FastLog2(total) + 0.5) * (double)total + 200; - for (i = 0; i < 256; ++i) { - r -= (double)histo[i] * (depths[i] + FastLog2(histo[i])); - } - return TO_BROTLI_BOOL(r >= 0.0); - } -} - -/* Acceptable loss for uncompressible speedup is 2% */ -#define MIN_RATIO 980 - -static BROTLI_INLINE BROTLI_BOOL ShouldUseUncompressedMode( - const uint8_t* metablock_start, const uint8_t* next_emit, - const size_t insertlen, const size_t literal_ratio) { - const size_t compressed = (size_t)(next_emit - metablock_start); - if (compressed * 50 > insertlen) { - return BROTLI_FALSE; - } else { - return TO_BROTLI_BOOL(literal_ratio > MIN_RATIO); - } -} - -static void EmitUncompressedMetaBlock(const uint8_t* begin, const uint8_t* end, - const size_t storage_ix_start, - size_t* storage_ix, uint8_t* storage) { - const size_t len = (size_t)(end - begin); - RewindBitPosition(storage_ix_start, storage_ix, storage); - BrotliStoreMetaBlockHeader(len, 1, storage_ix, storage); - *storage_ix = (*storage_ix + 7u) & ~7u; - memcpy(&storage[*storage_ix >> 3], begin, len); - *storage_ix += len << 3; - storage[*storage_ix >> 3] = 0; -} - -static uint32_t kCmdHistoSeed[128] = { - 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 0, 0, 0, 0, -}; - -static BROTLI_INLINE void BrotliCompressFragmentFastImpl( - BrotliOnePassArena* s, const uint8_t* input, size_t input_size, - BROTLI_BOOL is_last, int* table, size_t table_bits, - size_t* storage_ix, uint8_t* storage) { - uint8_t* BROTLI_RESTRICT const cmd_depth = s->cmd_depth; - uint16_t* BROTLI_RESTRICT const cmd_bits = s->cmd_bits; - uint32_t* BROTLI_RESTRICT const cmd_histo = s->cmd_histo; - uint8_t* BROTLI_RESTRICT const lit_depth = s->lit_depth; - uint16_t* BROTLI_RESTRICT const lit_bits = s->lit_bits; - const uint8_t* ip_end; - - /* "next_emit" is a pointer to the first byte that is not covered by a - previous copy. Bytes between "next_emit" and the start of the next copy or - the end of the input will be emitted as literal bytes. */ - const uint8_t* next_emit = input; - /* Save the start of the first block for position and distance computations. - */ - const uint8_t* base_ip = input; - - static const size_t kFirstBlockSize = 3 << 15; - static const size_t kMergeBlockSize = 1 << 16; - - const size_t kInputMarginBytes = BROTLI_WINDOW_GAP; - const size_t kMinMatchLen = 5; - - const uint8_t* metablock_start = input; - size_t block_size = BROTLI_MIN(size_t, input_size, kFirstBlockSize); - size_t total_block_size = block_size; - /* Save the bit position of the MLEN field of the meta-block header, so that - we can update it later if we decide to extend this meta-block. */ - size_t mlen_storage_ix = *storage_ix + 3; - - size_t literal_ratio; - - const uint8_t* ip; - int last_distance; - - const size_t shift = 64u - table_bits; - - BrotliStoreMetaBlockHeader(block_size, 0, storage_ix, storage); - /* No block splits, no contexts. */ - BrotliWriteBits(13, 0, storage_ix, storage); - - literal_ratio = BuildAndStoreLiteralPrefixCode( - s, input, block_size, s->lit_depth, s->lit_bits, storage_ix, storage); - - { - /* Store the pre-compressed command and distance prefix codes. */ - size_t i; - for (i = 0; i + 7 < s->cmd_code_numbits; i += 8) { - BrotliWriteBits(8, s->cmd_code[i >> 3], storage_ix, storage); - } - } - BrotliWriteBits(s->cmd_code_numbits & 7, - s->cmd_code[s->cmd_code_numbits >> 3], storage_ix, storage); - - emit_commands: - /* Initialize the command and distance histograms. We will gather - statistics of command and distance codes during the processing - of this block and use it to update the command and distance - prefix codes for the next block. */ - memcpy(s->cmd_histo, kCmdHistoSeed, sizeof(kCmdHistoSeed)); - - /* "ip" is the input pointer. */ - ip = input; - last_distance = -1; - ip_end = input + block_size; - - if (BROTLI_PREDICT_TRUE(block_size >= kInputMarginBytes)) { - /* For the last block, we need to keep a 16 bytes margin so that we can be - sure that all distances are at most window size - 16. - For all other blocks, we only need to keep a margin of 5 bytes so that - we don't go over the block size with a copy. */ - const size_t len_limit = BROTLI_MIN(size_t, block_size - kMinMatchLen, - input_size - kInputMarginBytes); - const uint8_t* ip_limit = input + len_limit; - - uint32_t next_hash; - for (next_hash = Hash(++ip, shift); ; ) { - /* Step 1: Scan forward in the input looking for a 5-byte-long match. - If we get close to exhausting the input then goto emit_remainder. - - Heuristic match skipping: If 32 bytes are scanned with no matches - found, start looking only at every other byte. If 32 more bytes are - scanned, look at every third byte, etc.. When a match is found, - immediately go back to looking at every byte. This is a small loss - (~5% performance, ~0.1% density) for compressible data due to more - bookkeeping, but for non-compressible data (such as JPEG) it's a huge - win since the compressor quickly "realizes" the data is incompressible - and doesn't bother looking for matches everywhere. - - The "skip" variable keeps track of how many bytes there are since the - last match; dividing it by 32 (i.e. right-shifting by five) gives the - number of bytes to move ahead for each iteration. */ - uint32_t skip = 32; - - const uint8_t* next_ip = ip; - const uint8_t* candidate; - BROTLI_DCHECK(next_emit < ip); -trawl: - do { - uint32_t hash = next_hash; - uint32_t bytes_between_hash_lookups = skip++ >> 5; - BROTLI_DCHECK(hash == Hash(next_ip, shift)); - ip = next_ip; - next_ip = ip + bytes_between_hash_lookups; - if (BROTLI_PREDICT_FALSE(next_ip > ip_limit)) { - goto emit_remainder; - } - next_hash = Hash(next_ip, shift); - candidate = ip - last_distance; - if (IsMatch(ip, candidate)) { - if (BROTLI_PREDICT_TRUE(candidate < ip)) { - table[hash] = (int)(ip - base_ip); - break; - } - } - candidate = base_ip + table[hash]; - BROTLI_DCHECK(candidate >= base_ip); - BROTLI_DCHECK(candidate < ip); - - table[hash] = (int)(ip - base_ip); - } while (BROTLI_PREDICT_TRUE(!IsMatch(ip, candidate))); - - /* Check copy distance. If candidate is not feasible, continue search. - Checking is done outside of hot loop to reduce overhead. */ - if (ip - candidate > MAX_DISTANCE) goto trawl; - - /* Step 2: Emit the found match together with the literal bytes from - "next_emit" to the bit stream, and then see if we can find a next match - immediately afterwards. Repeat until we find no match for the input - without emitting some literal bytes. */ - - { - /* We have a 5-byte match at ip, and we need to emit bytes in - [next_emit, ip). */ - const uint8_t* base = ip; - size_t matched = 5 + FindMatchLengthWithLimit( - candidate + 5, ip + 5, (size_t)(ip_end - ip) - 5); - int distance = (int)(base - candidate); /* > 0 */ - size_t insert = (size_t)(base - next_emit); - ip += matched; - BROTLI_LOG(("[CompressFragment] pos = %d insert = %lu copy = %d\n", - (int)(next_emit - base_ip), (unsigned long)insert, 2)); - BROTLI_DCHECK(0 == memcmp(base, candidate, matched)); - if (BROTLI_PREDICT_TRUE(insert < 6210)) { - EmitInsertLen(insert, cmd_depth, cmd_bits, cmd_histo, - storage_ix, storage); - } else if (ShouldUseUncompressedMode(metablock_start, next_emit, insert, - literal_ratio)) { - EmitUncompressedMetaBlock(metablock_start, base, mlen_storage_ix - 3, - storage_ix, storage); - input_size -= (size_t)(base - input); - input = base; - next_emit = input; - goto next_block; - } else { - EmitLongInsertLen(insert, cmd_depth, cmd_bits, cmd_histo, - storage_ix, storage); - } - EmitLiterals(next_emit, insert, lit_depth, lit_bits, - storage_ix, storage); - if (distance == last_distance) { - BrotliWriteBits(cmd_depth[64], cmd_bits[64], storage_ix, storage); - ++cmd_histo[64]; - } else { - EmitDistance((size_t)distance, cmd_depth, cmd_bits, - cmd_histo, storage_ix, storage); - last_distance = distance; - } - EmitCopyLenLastDistance(matched, cmd_depth, cmd_bits, cmd_histo, - storage_ix, storage); - BROTLI_LOG(("[CompressFragment] pos = %d distance = %d\n" - "[CompressFragment] pos = %d insert = %d copy = %d\n" - "[CompressFragment] pos = %d distance = %d\n", - (int)(base - base_ip), (int)distance, - (int)(base - base_ip) + 2, 0, (int)matched - 2, - (int)(base - base_ip) + 2, (int)distance)); - - next_emit = ip; - if (BROTLI_PREDICT_FALSE(ip >= ip_limit)) { - goto emit_remainder; - } - /* We could immediately start working at ip now, but to improve - compression we first update "table" with the hashes of some positions - within the last copy. */ - { - uint64_t input_bytes = BROTLI_UNALIGNED_LOAD64LE(ip - 3); - uint32_t prev_hash = HashBytesAtOffset(input_bytes, 0, shift); - uint32_t cur_hash = HashBytesAtOffset(input_bytes, 3, shift); - table[prev_hash] = (int)(ip - base_ip - 3); - prev_hash = HashBytesAtOffset(input_bytes, 1, shift); - table[prev_hash] = (int)(ip - base_ip - 2); - prev_hash = HashBytesAtOffset(input_bytes, 2, shift); - table[prev_hash] = (int)(ip - base_ip - 1); - - candidate = base_ip + table[cur_hash]; - table[cur_hash] = (int)(ip - base_ip); - } - } - - while (IsMatch(ip, candidate)) { - /* We have a 5-byte match at ip, and no need to emit any literal bytes - prior to ip. */ - const uint8_t* base = ip; - size_t matched = 5 + FindMatchLengthWithLimit( - candidate + 5, ip + 5, (size_t)(ip_end - ip) - 5); - if (ip - candidate > MAX_DISTANCE) break; - ip += matched; - last_distance = (int)(base - candidate); /* > 0 */ - BROTLI_DCHECK(0 == memcmp(base, candidate, matched)); - EmitCopyLen(matched, cmd_depth, cmd_bits, cmd_histo, - storage_ix, storage); - EmitDistance((size_t)last_distance, cmd_depth, cmd_bits, - cmd_histo, storage_ix, storage); - BROTLI_LOG(("[CompressFragment] pos = %d insert = %d copy = %d\n" - "[CompressFragment] pos = %d distance = %d\n", - (int)(base - base_ip), 0, (int)matched, - (int)(base - base_ip), (int)last_distance)); - - next_emit = ip; - if (BROTLI_PREDICT_FALSE(ip >= ip_limit)) { - goto emit_remainder; - } - /* We could immediately start working at ip now, but to improve - compression we first update "table" with the hashes of some positions - within the last copy. */ - { - uint64_t input_bytes = BROTLI_UNALIGNED_LOAD64LE(ip - 3); - uint32_t prev_hash = HashBytesAtOffset(input_bytes, 0, shift); - uint32_t cur_hash = HashBytesAtOffset(input_bytes, 3, shift); - table[prev_hash] = (int)(ip - base_ip - 3); - prev_hash = HashBytesAtOffset(input_bytes, 1, shift); - table[prev_hash] = (int)(ip - base_ip - 2); - prev_hash = HashBytesAtOffset(input_bytes, 2, shift); - table[prev_hash] = (int)(ip - base_ip - 1); - - candidate = base_ip + table[cur_hash]; - table[cur_hash] = (int)(ip - base_ip); - } - } - - next_hash = Hash(++ip, shift); - } - } - - emit_remainder: - BROTLI_DCHECK(next_emit <= ip_end); - input += block_size; - input_size -= block_size; - block_size = BROTLI_MIN(size_t, input_size, kMergeBlockSize); - - /* Decide if we want to continue this meta-block instead of emitting the - last insert-only command. */ - if (input_size > 0 && - total_block_size + block_size <= (1 << 20) && - ShouldMergeBlock(s, input, block_size, lit_depth)) { - BROTLI_DCHECK(total_block_size > (1 << 16)); - /* Update the size of the current meta-block and continue emitting commands. - We can do this because the current size and the new size both have 5 - nibbles. */ - total_block_size += block_size; - UpdateBits(20, (uint32_t)(total_block_size - 1), mlen_storage_ix, storage); - goto emit_commands; - } - - /* Emit the remaining bytes as literals. */ - if (next_emit < ip_end) { - const size_t insert = (size_t)(ip_end - next_emit); - BROTLI_LOG(("[CompressFragment] pos = %d insert = %lu copy = %d\n", - (int)(next_emit - base_ip), (unsigned long)insert, 2)); - if (BROTLI_PREDICT_TRUE(insert < 6210)) { - EmitInsertLen(insert, cmd_depth, cmd_bits, cmd_histo, - storage_ix, storage); - EmitLiterals(next_emit, insert, lit_depth, lit_bits, storage_ix, storage); - } else if (ShouldUseUncompressedMode(metablock_start, next_emit, insert, - literal_ratio)) { - EmitUncompressedMetaBlock(metablock_start, ip_end, mlen_storage_ix - 3, - storage_ix, storage); - } else { - EmitLongInsertLen(insert, cmd_depth, cmd_bits, cmd_histo, - storage_ix, storage); - EmitLiterals(next_emit, insert, lit_depth, lit_bits, - storage_ix, storage); - } - } - next_emit = ip_end; - -next_block: - /* If we have more data, write a new meta-block header and prefix codes and - then continue emitting commands. */ - if (input_size > 0) { - metablock_start = input; - block_size = BROTLI_MIN(size_t, input_size, kFirstBlockSize); - total_block_size = block_size; - /* Save the bit position of the MLEN field of the meta-block header, so that - we can update it later if we decide to extend this meta-block. */ - mlen_storage_ix = *storage_ix + 3; - BrotliStoreMetaBlockHeader(block_size, 0, storage_ix, storage); - /* No block splits, no contexts. */ - BrotliWriteBits(13, 0, storage_ix, storage); - literal_ratio = BuildAndStoreLiteralPrefixCode( - s, input, block_size, lit_depth, lit_bits, storage_ix, storage); - BuildAndStoreCommandPrefixCode(s, storage_ix, storage); - goto emit_commands; - } - - if (!is_last) { - /* If this is not the last block, update the command and distance prefix - codes for the next block and store the compressed forms. */ - s->cmd_code[0] = 0; - s->cmd_code_numbits = 0; - BuildAndStoreCommandPrefixCode(s, &s->cmd_code_numbits, s->cmd_code); - } -} - -#define FOR_TABLE_BITS_(X) X(9) X(11) X(13) X(15) - -#define BAKE_METHOD_PARAM_(B) \ -static BROTLI_NOINLINE void BrotliCompressFragmentFastImpl ## B( \ - BrotliOnePassArena* s, const uint8_t* input, size_t input_size, \ - BROTLI_BOOL is_last, int* table, size_t* storage_ix, uint8_t* storage) { \ - BrotliCompressFragmentFastImpl(s, input, input_size, is_last, table, B, \ - storage_ix, storage); \ -} -FOR_TABLE_BITS_(BAKE_METHOD_PARAM_) -#undef BAKE_METHOD_PARAM_ - -void BrotliCompressFragmentFast( - BrotliOnePassArena* s, const uint8_t* input, size_t input_size, - BROTLI_BOOL is_last, int* table, size_t table_size, - size_t* storage_ix, uint8_t* storage) { - const size_t initial_storage_ix = *storage_ix; - const size_t table_bits = Log2FloorNonZero(table_size); - - if (input_size == 0) { - BROTLI_DCHECK(is_last); - BrotliWriteBits(1, 1, storage_ix, storage); /* islast */ - BrotliWriteBits(1, 1, storage_ix, storage); /* isempty */ - *storage_ix = (*storage_ix + 7u) & ~7u; - return; - } - - switch (table_bits) { -#define CASE_(B) \ - case B: \ - BrotliCompressFragmentFastImpl ## B( \ - s, input, input_size, is_last, table, storage_ix, storage);\ - break; - FOR_TABLE_BITS_(CASE_) -#undef CASE_ - default: BROTLI_DCHECK(0); break; - } - - /* If output is larger than single uncompressed block, rewrite it. */ - if (*storage_ix - initial_storage_ix > 31 + (input_size << 3)) { - EmitUncompressedMetaBlock(input, input + input_size, initial_storage_ix, - storage_ix, storage); - } - - if (is_last) { - BrotliWriteBits(1, 1, storage_ix, storage); /* islast */ - BrotliWriteBits(1, 1, storage_ix, storage); /* isempty */ - *storage_ix = (*storage_ix + 7u) & ~7u; - } -} - -#undef FOR_TABLE_BITS_ - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/compress_fragment.h b/src/deps/brotli/enc/compress_fragment.h deleted file mode 100644 index 9c0780f8c9..0000000000 --- a/src/deps/brotli/enc/compress_fragment.h +++ /dev/null @@ -1,86 +0,0 @@ -/* Copyright 2015 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Function for fast encoding of an input fragment, independently from the input - history. This function uses one-pass processing: when we find a backward - match, we immediately emit the corresponding command and literal codes to - the bit stream. */ - -#ifndef BROTLI_ENC_COMPRESS_FRAGMENT_H_ -#define BROTLI_ENC_COMPRESS_FRAGMENT_H_ - -#include - -#include "../common/constants.h" -#include "../common/platform.h" -#include "entropy_encode.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -typedef struct BrotliOnePassArena { - uint8_t lit_depth[256]; - uint16_t lit_bits[256]; - - /* Command and distance prefix codes (each 64 symbols, stored back-to-back) - used for the next block. The command prefix code is over a smaller alphabet - with the following 64 symbols: - 0 - 15: insert length code 0, copy length code 0 - 15, same distance - 16 - 39: insert length code 0, copy length code 0 - 23 - 40 - 63: insert length code 0 - 23, copy length code 0 - Note that symbols 16 and 40 represent the same code in the full alphabet, - but we do not use either of them. */ - uint8_t cmd_depth[128]; - uint16_t cmd_bits[128]; - uint32_t cmd_histo[128]; - - /* The compressed form of the command and distance prefix codes for the next - block. */ - uint8_t cmd_code[512]; - size_t cmd_code_numbits; - - HuffmanTree tree[2 * BROTLI_NUM_LITERAL_SYMBOLS + 1]; - uint32_t histogram[256]; - uint8_t tmp_depth[BROTLI_NUM_COMMAND_SYMBOLS]; - uint16_t tmp_bits[64]; -} BrotliOnePassArena; - -/* Compresses "input" string to the "*storage" buffer as one or more complete - meta-blocks, and updates the "*storage_ix" bit position. - - If "is_last" is 1, emits an additional empty last meta-block. - - "cmd_depth" and "cmd_bits" contain the command and distance prefix codes - (see comment in encode.h) used for the encoding of this input fragment. - If "is_last" is 0, they are updated to reflect the statistics - of this input fragment, to be used for the encoding of the next fragment. - - "*cmd_code_numbits" is the number of bits of the compressed representation - of the command and distance prefix codes, and "cmd_code" is an array of - at least "(*cmd_code_numbits + 7) >> 3" size that contains the compressed - command and distance prefix codes. If "is_last" is 0, these are also - updated to represent the updated "cmd_depth" and "cmd_bits". - - REQUIRES: "input_size" is greater than zero, or "is_last" is 1. - REQUIRES: "input_size" is less or equal to maximal metablock size (1 << 24). - REQUIRES: All elements in "table[0..table_size-1]" are initialized to zero. - REQUIRES: "table_size" is an odd (9, 11, 13, 15) power of two - OUTPUT: maximal copy distance <= |input_size| - OUTPUT: maximal copy distance <= BROTLI_MAX_BACKWARD_LIMIT(18) */ -BROTLI_INTERNAL void BrotliCompressFragmentFast(BrotliOnePassArena* s, - const uint8_t* input, - size_t input_size, - BROTLI_BOOL is_last, - int* table, size_t table_size, - size_t* storage_ix, - uint8_t* storage); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_COMPRESS_FRAGMENT_H_ */ diff --git a/src/deps/brotli/enc/compress_fragment_two_pass.c b/src/deps/brotli/enc/compress_fragment_two_pass.c deleted file mode 100644 index a762679c1f..0000000000 --- a/src/deps/brotli/enc/compress_fragment_two_pass.c +++ /dev/null @@ -1,657 +0,0 @@ -/* Copyright 2015 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Function for fast encoding of an input fragment, independently from the input - history. This function uses two-pass processing: in the first pass we save - the found backward matches and literal bytes into a buffer, and in the - second pass we emit them into the bit stream using prefix codes built based - on the actual command and literal byte histograms. */ - -#include "compress_fragment_two_pass.h" - -#include /* memcmp, memcpy, memset */ - -#include - -#include "../common/constants.h" -#include "../common/platform.h" -#include "bit_cost.h" -#include "brotli_bit_stream.h" -#include "entropy_encode.h" -#include "fast_log.h" -#include "find_match_length.h" -#include "write_bits.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define MAX_DISTANCE (long)BROTLI_MAX_BACKWARD_LIMIT(18) - -/* kHashMul32 multiplier has these properties: - * The multiplier must be odd. Otherwise we may lose the highest bit. - * No long streaks of ones or zeros. - * There is no effort to ensure that it is a prime, the oddity is enough - for this use. - * The number has been tuned heuristically against compression benchmarks. */ -static const uint32_t kHashMul32 = 0x1E35A7BD; - -static BROTLI_INLINE uint32_t Hash(const uint8_t* p, - size_t shift, size_t length) { - const uint64_t h = - (BROTLI_UNALIGNED_LOAD64LE(p) << ((8 - length) * 8)) * kHashMul32; - return (uint32_t)(h >> shift); -} - -static BROTLI_INLINE uint32_t HashBytesAtOffset(uint64_t v, size_t offset, - size_t shift, size_t length) { - BROTLI_DCHECK(offset <= 8 - length); - { - const uint64_t h = ((v >> (8 * offset)) << ((8 - length) * 8)) * kHashMul32; - return (uint32_t)(h >> shift); - } -} - -static BROTLI_INLINE BROTLI_BOOL IsMatch(const uint8_t* p1, const uint8_t* p2, - size_t length) { - if (BrotliUnalignedRead32(p1) == BrotliUnalignedRead32(p2)) { - if (length == 4) return BROTLI_TRUE; - return TO_BROTLI_BOOL(p1[4] == p2[4] && p1[5] == p2[5]); - } - return BROTLI_FALSE; -} - -/* Builds a command and distance prefix code (each 64 symbols) into "depth" and - "bits" based on "histogram" and stores it into the bit stream. */ -static void BuildAndStoreCommandPrefixCode(BrotliTwoPassArena* s, - size_t* storage_ix, - uint8_t* storage) { - /* Tree size for building a tree over 64 symbols is 2 * 64 + 1. */ - /* TODO(eustas): initialize once. */ - memset(s->tmp_depth, 0, sizeof(s->tmp_depth)); - BrotliCreateHuffmanTree(s->cmd_histo, 64, 15, s->tmp_tree, s->cmd_depth); - BrotliCreateHuffmanTree(&s->cmd_histo[64], 64, 14, s->tmp_tree, - &s->cmd_depth[64]); - /* We have to jump through a few hoops here in order to compute - the command bits because the symbols are in a different order than in - the full alphabet. This looks complicated, but having the symbols - in this order in the command bits saves a few branches in the Emit* - functions. */ - memcpy(s->tmp_depth, s->cmd_depth + 24, 24); - memcpy(s->tmp_depth + 24, s->cmd_depth, 8); - memcpy(s->tmp_depth + 32, s->cmd_depth + 48, 8); - memcpy(s->tmp_depth + 40, s->cmd_depth + 8, 8); - memcpy(s->tmp_depth + 48, s->cmd_depth + 56, 8); - memcpy(s->tmp_depth + 56, s->cmd_depth + 16, 8); - BrotliConvertBitDepthsToSymbols(s->tmp_depth, 64, s->tmp_bits); - memcpy(s->cmd_bits, s->tmp_bits + 24, 16); - memcpy(s->cmd_bits + 8, s->tmp_bits + 40, 16); - memcpy(s->cmd_bits + 16, s->tmp_bits + 56, 16); - memcpy(s->cmd_bits + 24, s->tmp_bits, 48); - memcpy(s->cmd_bits + 48, s->tmp_bits + 32, 16); - memcpy(s->cmd_bits + 56, s->tmp_bits + 48, 16); - BrotliConvertBitDepthsToSymbols(&s->cmd_depth[64], 64, &s->cmd_bits[64]); - { - /* Create the bit length array for the full command alphabet. */ - size_t i; - memset(s->tmp_depth, 0, 64); /* only 64 first values were used */ - memcpy(s->tmp_depth, s->cmd_depth + 24, 8); - memcpy(s->tmp_depth + 64, s->cmd_depth + 32, 8); - memcpy(s->tmp_depth + 128, s->cmd_depth + 40, 8); - memcpy(s->tmp_depth + 192, s->cmd_depth + 48, 8); - memcpy(s->tmp_depth + 384, s->cmd_depth + 56, 8); - for (i = 0; i < 8; ++i) { - s->tmp_depth[128 + 8 * i] = s->cmd_depth[i]; - s->tmp_depth[256 + 8 * i] = s->cmd_depth[8 + i]; - s->tmp_depth[448 + 8 * i] = s->cmd_depth[16 + i]; - } - BrotliStoreHuffmanTree(s->tmp_depth, BROTLI_NUM_COMMAND_SYMBOLS, - s->tmp_tree, storage_ix, storage); - } - BrotliStoreHuffmanTree(&s->cmd_depth[64], 64, s->tmp_tree, storage_ix, - storage); -} - -static BROTLI_INLINE void EmitInsertLen( - uint32_t insertlen, uint32_t** commands) { - if (insertlen < 6) { - **commands = insertlen; - } else if (insertlen < 130) { - const uint32_t tail = insertlen - 2; - const uint32_t nbits = Log2FloorNonZero(tail) - 1u; - const uint32_t prefix = tail >> nbits; - const uint32_t inscode = (nbits << 1) + prefix + 2; - const uint32_t extra = tail - (prefix << nbits); - **commands = inscode | (extra << 8); - } else if (insertlen < 2114) { - const uint32_t tail = insertlen - 66; - const uint32_t nbits = Log2FloorNonZero(tail); - const uint32_t code = nbits + 10; - const uint32_t extra = tail - (1u << nbits); - **commands = code | (extra << 8); - } else if (insertlen < 6210) { - const uint32_t extra = insertlen - 2114; - **commands = 21 | (extra << 8); - } else if (insertlen < 22594) { - const uint32_t extra = insertlen - 6210; - **commands = 22 | (extra << 8); - } else { - const uint32_t extra = insertlen - 22594; - **commands = 23 | (extra << 8); - } - ++(*commands); -} - -static BROTLI_INLINE void EmitCopyLen(size_t copylen, uint32_t** commands) { - if (copylen < 10) { - **commands = (uint32_t)(copylen + 38); - } else if (copylen < 134) { - const size_t tail = copylen - 6; - const size_t nbits = Log2FloorNonZero(tail) - 1; - const size_t prefix = tail >> nbits; - const size_t code = (nbits << 1) + prefix + 44; - const size_t extra = tail - (prefix << nbits); - **commands = (uint32_t)(code | (extra << 8)); - } else if (copylen < 2118) { - const size_t tail = copylen - 70; - const size_t nbits = Log2FloorNonZero(tail); - const size_t code = nbits + 52; - const size_t extra = tail - ((size_t)1 << nbits); - **commands = (uint32_t)(code | (extra << 8)); - } else { - const size_t extra = copylen - 2118; - **commands = (uint32_t)(63 | (extra << 8)); - } - ++(*commands); -} - -static BROTLI_INLINE void EmitCopyLenLastDistance( - size_t copylen, uint32_t** commands) { - if (copylen < 12) { - **commands = (uint32_t)(copylen + 20); - ++(*commands); - } else if (copylen < 72) { - const size_t tail = copylen - 8; - const size_t nbits = Log2FloorNonZero(tail) - 1; - const size_t prefix = tail >> nbits; - const size_t code = (nbits << 1) + prefix + 28; - const size_t extra = tail - (prefix << nbits); - **commands = (uint32_t)(code | (extra << 8)); - ++(*commands); - } else if (copylen < 136) { - const size_t tail = copylen - 8; - const size_t code = (tail >> 5) + 54; - const size_t extra = tail & 31; - **commands = (uint32_t)(code | (extra << 8)); - ++(*commands); - **commands = 64; - ++(*commands); - } else if (copylen < 2120) { - const size_t tail = copylen - 72; - const size_t nbits = Log2FloorNonZero(tail); - const size_t code = nbits + 52; - const size_t extra = tail - ((size_t)1 << nbits); - **commands = (uint32_t)(code | (extra << 8)); - ++(*commands); - **commands = 64; - ++(*commands); - } else { - const size_t extra = copylen - 2120; - **commands = (uint32_t)(63 | (extra << 8)); - ++(*commands); - **commands = 64; - ++(*commands); - } -} - -static BROTLI_INLINE void EmitDistance(uint32_t distance, uint32_t** commands) { - uint32_t d = distance + 3; - uint32_t nbits = Log2FloorNonZero(d) - 1; - const uint32_t prefix = (d >> nbits) & 1; - const uint32_t offset = (2 + prefix) << nbits; - const uint32_t distcode = 2 * (nbits - 1) + prefix + 80; - uint32_t extra = d - offset; - **commands = distcode | (extra << 8); - ++(*commands); -} - -/* REQUIRES: len <= 1 << 24. */ -static void BrotliStoreMetaBlockHeader( - size_t len, BROTLI_BOOL is_uncompressed, size_t* storage_ix, - uint8_t* storage) { - size_t nibbles = 6; - /* ISLAST */ - BrotliWriteBits(1, 0, storage_ix, storage); - if (len <= (1U << 16)) { - nibbles = 4; - } else if (len <= (1U << 20)) { - nibbles = 5; - } - BrotliWriteBits(2, nibbles - 4, storage_ix, storage); - BrotliWriteBits(nibbles * 4, len - 1, storage_ix, storage); - /* ISUNCOMPRESSED */ - BrotliWriteBits(1, (uint64_t)is_uncompressed, storage_ix, storage); -} - -static BROTLI_INLINE void CreateCommands(const uint8_t* input, - size_t block_size, size_t input_size, const uint8_t* base_ip, int* table, - size_t table_bits, size_t min_match, - uint8_t** literals, uint32_t** commands) { - /* "ip" is the input pointer. */ - const uint8_t* ip = input; - const size_t shift = 64u - table_bits; - const uint8_t* ip_end = input + block_size; - /* "next_emit" is a pointer to the first byte that is not covered by a - previous copy. Bytes between "next_emit" and the start of the next copy or - the end of the input will be emitted as literal bytes. */ - const uint8_t* next_emit = input; - - int last_distance = -1; - const size_t kInputMarginBytes = BROTLI_WINDOW_GAP; - - if (BROTLI_PREDICT_TRUE(block_size >= kInputMarginBytes)) { - /* For the last block, we need to keep a 16 bytes margin so that we can be - sure that all distances are at most window size - 16. - For all other blocks, we only need to keep a margin of 5 bytes so that - we don't go over the block size with a copy. */ - const size_t len_limit = BROTLI_MIN(size_t, block_size - min_match, - input_size - kInputMarginBytes); - const uint8_t* ip_limit = input + len_limit; - - uint32_t next_hash; - for (next_hash = Hash(++ip, shift, min_match); ; ) { - /* Step 1: Scan forward in the input looking for a 6-byte-long match. - If we get close to exhausting the input then goto emit_remainder. - - Heuristic match skipping: If 32 bytes are scanned with no matches - found, start looking only at every other byte. If 32 more bytes are - scanned, look at every third byte, etc.. When a match is found, - immediately go back to looking at every byte. This is a small loss - (~5% performance, ~0.1% density) for compressible data due to more - bookkeeping, but for non-compressible data (such as JPEG) it's a huge - win since the compressor quickly "realizes" the data is incompressible - and doesn't bother looking for matches everywhere. - - The "skip" variable keeps track of how many bytes there are since the - last match; dividing it by 32 (ie. right-shifting by five) gives the - number of bytes to move ahead for each iteration. */ - uint32_t skip = 32; - - const uint8_t* next_ip = ip; - const uint8_t* candidate; - - BROTLI_DCHECK(next_emit < ip); -trawl: - do { - uint32_t hash = next_hash; - uint32_t bytes_between_hash_lookups = skip++ >> 5; - ip = next_ip; - BROTLI_DCHECK(hash == Hash(ip, shift, min_match)); - next_ip = ip + bytes_between_hash_lookups; - if (BROTLI_PREDICT_FALSE(next_ip > ip_limit)) { - goto emit_remainder; - } - next_hash = Hash(next_ip, shift, min_match); - candidate = ip - last_distance; - if (IsMatch(ip, candidate, min_match)) { - if (BROTLI_PREDICT_TRUE(candidate < ip)) { - table[hash] = (int)(ip - base_ip); - break; - } - } - candidate = base_ip + table[hash]; - BROTLI_DCHECK(candidate >= base_ip); - BROTLI_DCHECK(candidate < ip); - - table[hash] = (int)(ip - base_ip); - } while (BROTLI_PREDICT_TRUE(!IsMatch(ip, candidate, min_match))); - - /* Check copy distance. If candidate is not feasible, continue search. - Checking is done outside of hot loop to reduce overhead. */ - if (ip - candidate > MAX_DISTANCE) goto trawl; - - /* Step 2: Emit the found match together with the literal bytes from - "next_emit", and then see if we can find a next match immediately - afterwards. Repeat until we find no match for the input - without emitting some literal bytes. */ - - { - /* We have a 6-byte match at ip, and we need to emit bytes in - [next_emit, ip). */ - const uint8_t* base = ip; - size_t matched = min_match + FindMatchLengthWithLimit( - candidate + min_match, ip + min_match, - (size_t)(ip_end - ip) - min_match); - int distance = (int)(base - candidate); /* > 0 */ - int insert = (int)(base - next_emit); - ip += matched; - BROTLI_DCHECK(0 == memcmp(base, candidate, matched)); - EmitInsertLen((uint32_t)insert, commands); - BROTLI_LOG(("[CompressFragment] pos = %d insert = %d copy = %d\n", - (int)(next_emit - base_ip), insert, 2)); - memcpy(*literals, next_emit, (size_t)insert); - *literals += insert; - if (distance == last_distance) { - **commands = 64; - ++(*commands); - } else { - EmitDistance((uint32_t)distance, commands); - last_distance = distance; - } - EmitCopyLenLastDistance(matched, commands); - BROTLI_LOG(("[CompressFragment] pos = %d distance = %d\n" - "[CompressFragment] pos = %d insert = %d copy = %d\n" - "[CompressFragment] pos = %d distance = %d\n", - (int)(base - base_ip), (int)distance, - (int)(base - base_ip) + 2, 0, (int)matched - 2, - (int)(base - base_ip) + 2, (int)distance)); - - next_emit = ip; - if (BROTLI_PREDICT_FALSE(ip >= ip_limit)) { - goto emit_remainder; - } - { - /* We could immediately start working at ip now, but to improve - compression we first update "table" with the hashes of some - positions within the last copy. */ - uint64_t input_bytes; - uint32_t cur_hash; - uint32_t prev_hash; - if (min_match == 4) { - input_bytes = BROTLI_UNALIGNED_LOAD64LE(ip - 3); - cur_hash = HashBytesAtOffset(input_bytes, 3, shift, min_match); - prev_hash = HashBytesAtOffset(input_bytes, 0, shift, min_match); - table[prev_hash] = (int)(ip - base_ip - 3); - prev_hash = HashBytesAtOffset(input_bytes, 1, shift, min_match); - table[prev_hash] = (int)(ip - base_ip - 2); - prev_hash = HashBytesAtOffset(input_bytes, 0, shift, min_match); - table[prev_hash] = (int)(ip - base_ip - 1); - } else { - input_bytes = BROTLI_UNALIGNED_LOAD64LE(ip - 5); - prev_hash = HashBytesAtOffset(input_bytes, 0, shift, min_match); - table[prev_hash] = (int)(ip - base_ip - 5); - prev_hash = HashBytesAtOffset(input_bytes, 1, shift, min_match); - table[prev_hash] = (int)(ip - base_ip - 4); - prev_hash = HashBytesAtOffset(input_bytes, 2, shift, min_match); - table[prev_hash] = (int)(ip - base_ip - 3); - input_bytes = BROTLI_UNALIGNED_LOAD64LE(ip - 2); - cur_hash = HashBytesAtOffset(input_bytes, 2, shift, min_match); - prev_hash = HashBytesAtOffset(input_bytes, 0, shift, min_match); - table[prev_hash] = (int)(ip - base_ip - 2); - prev_hash = HashBytesAtOffset(input_bytes, 1, shift, min_match); - table[prev_hash] = (int)(ip - base_ip - 1); - } - - candidate = base_ip + table[cur_hash]; - table[cur_hash] = (int)(ip - base_ip); - } - } - - while (ip - candidate <= MAX_DISTANCE && - IsMatch(ip, candidate, min_match)) { - /* We have a 6-byte match at ip, and no need to emit any - literal bytes prior to ip. */ - const uint8_t* base = ip; - size_t matched = min_match + FindMatchLengthWithLimit( - candidate + min_match, ip + min_match, - (size_t)(ip_end - ip) - min_match); - ip += matched; - last_distance = (int)(base - candidate); /* > 0 */ - BROTLI_DCHECK(0 == memcmp(base, candidate, matched)); - EmitCopyLen(matched, commands); - EmitDistance((uint32_t)last_distance, commands); - BROTLI_LOG(("[CompressFragment] pos = %d insert = %d copy = %d\n" - "[CompressFragment] pos = %d distance = %d\n", - (int)(base - base_ip), 0, (int)matched, - (int)(base - base_ip), (int)last_distance)); - - next_emit = ip; - if (BROTLI_PREDICT_FALSE(ip >= ip_limit)) { - goto emit_remainder; - } - { - /* We could immediately start working at ip now, but to improve - compression we first update "table" with the hashes of some - positions within the last copy. */ - uint64_t input_bytes; - uint32_t cur_hash; - uint32_t prev_hash; - if (min_match == 4) { - input_bytes = BROTLI_UNALIGNED_LOAD64LE(ip - 3); - cur_hash = HashBytesAtOffset(input_bytes, 3, shift, min_match); - prev_hash = HashBytesAtOffset(input_bytes, 0, shift, min_match); - table[prev_hash] = (int)(ip - base_ip - 3); - prev_hash = HashBytesAtOffset(input_bytes, 1, shift, min_match); - table[prev_hash] = (int)(ip - base_ip - 2); - prev_hash = HashBytesAtOffset(input_bytes, 2, shift, min_match); - table[prev_hash] = (int)(ip - base_ip - 1); - } else { - input_bytes = BROTLI_UNALIGNED_LOAD64LE(ip - 5); - prev_hash = HashBytesAtOffset(input_bytes, 0, shift, min_match); - table[prev_hash] = (int)(ip - base_ip - 5); - prev_hash = HashBytesAtOffset(input_bytes, 1, shift, min_match); - table[prev_hash] = (int)(ip - base_ip - 4); - prev_hash = HashBytesAtOffset(input_bytes, 2, shift, min_match); - table[prev_hash] = (int)(ip - base_ip - 3); - input_bytes = BROTLI_UNALIGNED_LOAD64LE(ip - 2); - cur_hash = HashBytesAtOffset(input_bytes, 2, shift, min_match); - prev_hash = HashBytesAtOffset(input_bytes, 0, shift, min_match); - table[prev_hash] = (int)(ip - base_ip - 2); - prev_hash = HashBytesAtOffset(input_bytes, 1, shift, min_match); - table[prev_hash] = (int)(ip - base_ip - 1); - } - - candidate = base_ip + table[cur_hash]; - table[cur_hash] = (int)(ip - base_ip); - } - } - - next_hash = Hash(++ip, shift, min_match); - } - } - -emit_remainder: - BROTLI_DCHECK(next_emit <= ip_end); - /* Emit the remaining bytes as literals. */ - if (next_emit < ip_end) { - const uint32_t insert = (uint32_t)(ip_end - next_emit); - EmitInsertLen(insert, commands); - BROTLI_LOG(("[CompressFragment] pos = %d insert = %d copy = %d\n", - (int)(next_emit - base_ip), insert, 2)); - memcpy(*literals, next_emit, insert); - *literals += insert; - } -} - -static void StoreCommands(BrotliTwoPassArena* s, - const uint8_t* literals, const size_t num_literals, - const uint32_t* commands, const size_t num_commands, - size_t* storage_ix, uint8_t* storage) { - static const uint32_t kNumExtraBits[128] = { - 0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, - 6, 7, 8, 9, 10, 12, 14, 24, 0, 0, 0, 0, 0, 0, 0, 0, - 1, 1, 2, 2, 3, 3, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, - 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 7, 8, 9, 10, 24, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, - 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, - 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, - }; - static const uint32_t kInsertOffset[24] = { - 0, 1, 2, 3, 4, 5, 6, 8, 10, 14, 18, 26, - 34, 50, 66, 98, 130, 194, 322, 578, 1090, 2114, 6210, 22594, - }; - - size_t i; - memset(s->lit_histo, 0, sizeof(s->lit_histo)); - /* TODO(eustas): is that necessary? */ - memset(s->cmd_depth, 0, sizeof(s->cmd_depth)); - /* TODO(eustas): is that necessary? */ - memset(s->cmd_bits, 0, sizeof(s->cmd_bits)); - memset(s->cmd_histo, 0, sizeof(s->cmd_histo)); - for (i = 0; i < num_literals; ++i) { - ++s->lit_histo[literals[i]]; - } - BrotliBuildAndStoreHuffmanTreeFast(s->tmp_tree, s->lit_histo, num_literals, - /* max_bits = */ 8, s->lit_depth, - s->lit_bits, storage_ix, storage); - - for (i = 0; i < num_commands; ++i) { - const uint32_t code = commands[i] & 0xFF; - BROTLI_DCHECK(code < 128); - ++s->cmd_histo[code]; - } - s->cmd_histo[1] += 1; - s->cmd_histo[2] += 1; - s->cmd_histo[64] += 1; - s->cmd_histo[84] += 1; - BuildAndStoreCommandPrefixCode(s, storage_ix, storage); - - for (i = 0; i < num_commands; ++i) { - const uint32_t cmd = commands[i]; - const uint32_t code = cmd & 0xFF; - const uint32_t extra = cmd >> 8; - BROTLI_DCHECK(code < 128); - BrotliWriteBits(s->cmd_depth[code], s->cmd_bits[code], storage_ix, storage); - BrotliWriteBits(kNumExtraBits[code], extra, storage_ix, storage); - if (code < 24) { - const uint32_t insert = kInsertOffset[code] + extra; - uint32_t j; - for (j = 0; j < insert; ++j) { - const uint8_t lit = *literals; - BrotliWriteBits(s->lit_depth[lit], s->lit_bits[lit], storage_ix, - storage); - ++literals; - } - } - } -} - -/* Acceptable loss for uncompressible speedup is 2% */ -#define MIN_RATIO 0.98 -#define SAMPLE_RATE 43 - -static BROTLI_BOOL ShouldCompress(BrotliTwoPassArena* s, - const uint8_t* input, size_t input_size, size_t num_literals) { - double corpus_size = (double)input_size; - if ((double)num_literals < MIN_RATIO * corpus_size) { - return BROTLI_TRUE; - } else { - const double max_total_bit_cost = corpus_size * 8 * MIN_RATIO / SAMPLE_RATE; - size_t i; - memset(s->lit_histo, 0, sizeof(s->lit_histo)); - for (i = 0; i < input_size; i += SAMPLE_RATE) { - ++s->lit_histo[input[i]]; - } - return TO_BROTLI_BOOL(BitsEntropy(s->lit_histo, 256) < max_total_bit_cost); - } -} - -static void RewindBitPosition(const size_t new_storage_ix, - size_t* storage_ix, uint8_t* storage) { - const size_t bitpos = new_storage_ix & 7; - const size_t mask = (1u << bitpos) - 1; - storage[new_storage_ix >> 3] &= (uint8_t)mask; - *storage_ix = new_storage_ix; -} - -static void EmitUncompressedMetaBlock(const uint8_t* input, size_t input_size, - size_t* storage_ix, uint8_t* storage) { - BrotliStoreMetaBlockHeader(input_size, 1, storage_ix, storage); - *storage_ix = (*storage_ix + 7u) & ~7u; - memcpy(&storage[*storage_ix >> 3], input, input_size); - *storage_ix += input_size << 3; - storage[*storage_ix >> 3] = 0; -} - -static BROTLI_INLINE void BrotliCompressFragmentTwoPassImpl( - BrotliTwoPassArena* s, const uint8_t* input, size_t input_size, - BROTLI_BOOL is_last, uint32_t* command_buf, uint8_t* literal_buf, - int* table, size_t table_bits, size_t min_match, - size_t* storage_ix, uint8_t* storage) { - /* Save the start of the first block for position and distance computations. - */ - const uint8_t* base_ip = input; - BROTLI_UNUSED(is_last); - - while (input_size > 0) { - size_t block_size = - BROTLI_MIN(size_t, input_size, kCompressFragmentTwoPassBlockSize); - uint32_t* commands = command_buf; - uint8_t* literals = literal_buf; - size_t num_literals; - CreateCommands(input, block_size, input_size, base_ip, table, - table_bits, min_match, &literals, &commands); - num_literals = (size_t)(literals - literal_buf); - if (ShouldCompress(s, input, block_size, num_literals)) { - const size_t num_commands = (size_t)(commands - command_buf); - BrotliStoreMetaBlockHeader(block_size, 0, storage_ix, storage); - /* No block splits, no contexts. */ - BrotliWriteBits(13, 0, storage_ix, storage); - StoreCommands(s, literal_buf, num_literals, command_buf, num_commands, - storage_ix, storage); - } else { - /* Since we did not find many backward references and the entropy of - the data is close to 8 bits, we can simply emit an uncompressed block. - This makes compression speed of uncompressible data about 3x faster. */ - EmitUncompressedMetaBlock(input, block_size, storage_ix, storage); - } - input += block_size; - input_size -= block_size; - } -} - -#define FOR_TABLE_BITS_(X) \ - X(8) X(9) X(10) X(11) X(12) X(13) X(14) X(15) X(16) X(17) - -#define BAKE_METHOD_PARAM_(B) \ -static BROTLI_NOINLINE void BrotliCompressFragmentTwoPassImpl ## B( \ - BrotliTwoPassArena* s, const uint8_t* input, size_t input_size, \ - BROTLI_BOOL is_last, uint32_t* command_buf, uint8_t* literal_buf, \ - int* table, size_t* storage_ix, uint8_t* storage) { \ - size_t min_match = (B <= 15) ? 4 : 6; \ - BrotliCompressFragmentTwoPassImpl(s, input, input_size, is_last, command_buf,\ - literal_buf, table, B, min_match, storage_ix, storage); \ -} -FOR_TABLE_BITS_(BAKE_METHOD_PARAM_) -#undef BAKE_METHOD_PARAM_ - -void BrotliCompressFragmentTwoPass( - BrotliTwoPassArena* s, const uint8_t* input, size_t input_size, - BROTLI_BOOL is_last, uint32_t* command_buf, uint8_t* literal_buf, - int* table, size_t table_size, size_t* storage_ix, uint8_t* storage) { - const size_t initial_storage_ix = *storage_ix; - const size_t table_bits = Log2FloorNonZero(table_size); - switch (table_bits) { -#define CASE_(B) \ - case B: \ - BrotliCompressFragmentTwoPassImpl ## B( \ - s, input, input_size, is_last, command_buf, \ - literal_buf, table, storage_ix, storage); \ - break; - FOR_TABLE_BITS_(CASE_) -#undef CASE_ - default: BROTLI_DCHECK(0); break; - } - - /* If output is larger than single uncompressed block, rewrite it. */ - if (*storage_ix - initial_storage_ix > 31 + (input_size << 3)) { - RewindBitPosition(initial_storage_ix, storage_ix, storage); - EmitUncompressedMetaBlock(input, input_size, storage_ix, storage); - } - - if (is_last) { - BrotliWriteBits(1, 1, storage_ix, storage); /* islast */ - BrotliWriteBits(1, 1, storage_ix, storage); /* isempty */ - *storage_ix = (*storage_ix + 7u) & ~7u; - } -} - -#undef FOR_TABLE_BITS_ - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/compress_fragment_two_pass.h b/src/deps/brotli/enc/compress_fragment_two_pass.h deleted file mode 100644 index 6d28d9bb78..0000000000 --- a/src/deps/brotli/enc/compress_fragment_two_pass.h +++ /dev/null @@ -1,72 +0,0 @@ -/* Copyright 2015 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Function for fast encoding of an input fragment, independently from the input - history. This function uses two-pass processing: in the first pass we save - the found backward matches and literal bytes into a buffer, and in the - second pass we emit them into the bit stream using prefix codes built based - on the actual command and literal byte histograms. */ - -#ifndef BROTLI_ENC_COMPRESS_FRAGMENT_TWO_PASS_H_ -#define BROTLI_ENC_COMPRESS_FRAGMENT_TWO_PASS_H_ - -#include - -#include "../common/constants.h" -#include "../common/platform.h" -#include "entropy_encode.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/* TODO(eustas): turn to macro. */ -static const size_t kCompressFragmentTwoPassBlockSize = 1 << 17; - -typedef struct BrotliTwoPassArena { - uint32_t lit_histo[256]; - uint8_t lit_depth[256]; - uint16_t lit_bits[256]; - - uint32_t cmd_histo[128]; - uint8_t cmd_depth[128]; - uint16_t cmd_bits[128]; - - /* BuildAndStoreCommandPrefixCode */ - HuffmanTree tmp_tree[2 * BROTLI_NUM_LITERAL_SYMBOLS + 1]; - uint8_t tmp_depth[BROTLI_NUM_COMMAND_SYMBOLS]; - uint16_t tmp_bits[64]; -} BrotliTwoPassArena; - -/* Compresses "input" string to the "*storage" buffer as one or more complete - meta-blocks, and updates the "*storage_ix" bit position. - - If "is_last" is 1, emits an additional empty last meta-block. - - REQUIRES: "input_size" is greater than zero, or "is_last" is 1. - REQUIRES: "input_size" is less or equal to maximal metablock size (1 << 24). - REQUIRES: "command_buf" and "literal_buf" point to at least - kCompressFragmentTwoPassBlockSize long arrays. - REQUIRES: All elements in "table[0..table_size-1]" are initialized to zero. - REQUIRES: "table_size" is a power of two - OUTPUT: maximal copy distance <= |input_size| - OUTPUT: maximal copy distance <= BROTLI_MAX_BACKWARD_LIMIT(18) */ -BROTLI_INTERNAL void BrotliCompressFragmentTwoPass(BrotliTwoPassArena* s, - const uint8_t* input, - size_t input_size, - BROTLI_BOOL is_last, - uint32_t* command_buf, - uint8_t* literal_buf, - int* table, - size_t table_size, - size_t* storage_ix, - uint8_t* storage); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_COMPRESS_FRAGMENT_TWO_PASS_H_ */ diff --git a/src/deps/brotli/enc/dictionary_hash.c b/src/deps/brotli/enc/dictionary_hash.c deleted file mode 100644 index 1a60eb3cda..0000000000 --- a/src/deps/brotli/enc/dictionary_hash.c +++ /dev/null @@ -1,1848 +0,0 @@ -/* Copyright 2015 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Hash table on the 4-byte prefixes of static dictionary words. */ - -#include "../common/platform.h" -#include "dictionary_hash.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/* GENERATED CODE START */ -BROTLI_INTERNAL const uint16_t kStaticDictionaryHashWords[32768] = { -1002,0,0,0,0,0,0,0,0,683,0,0,0,0,0,0,0,1265,0,0,0,0,0,1431,0,0,0,0,0,0,40,0,0,0, -0,155,8,741,0,624,0,0,0,0,0,0,0,0,0,0,0,0,66,503,0,0,0,451,0,0,0,0,0,0,0,835,70, -0,0,539,0,0,0,0,0,0,0,0,0,113,0,0,0,0,718,0,0,0,0,0,0,520,0,1070,0,0,0,0,0,1515, -0,0,0,0,0,0,0,0,0,0,0,0,0,0,78,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,610,0,0,750,0,0,0,307,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,964,0,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,999,0,0,0,0,0,0,0,0, -645,75,0,649,52,282,0,200,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1621,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,211,225,0,0,687,718,0,0,110,0,58,0,0,0,0,0,0,345,0,0,301,0,0, -0,203,0,0,1154,674,1949,0,0,0,0,0,0,0,0,0,259,0,0,0,0,0,0,0,1275,0,0,0,1231,254, -0,0,0,0,0,0,0,277,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,248,0,0,800,0,0,0,29, -116,100,490,0,0,0,0,0,1641,0,543,0,0,0,0,41,181,0,657,0,0,202,25,0,0,0,0,0,0,0, -0,0,0,423,0,0,0,113,0,0,0,927,963,0,976,0,206,0,0,0,0,0,0,0,0,0,2002,0,0,0,0,0, -0,0,0,0,0,0,696,0,1170,0,0,0,0,226,13,0,769,678,551,0,0,0,0,0,0,57,0,0,0,10,188, -0,0,0,624,0,0,0,0,0,0,0,0,0,1941,130,0,0,0,0,378,269,0,0,528,0,1146,0,0,0,1105, -0,1616,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,656,0,1940,0,0,0,0,0,173,0,0,0,0,0,0,0,0,0, -0,0,457,342,810,0,0,0,0,620,0,0,0,0,0,0,0,967,95,447,406,0,0,0,477,0,1268,944, -1941,0,0,0,629,0,0,0,0,0,375,0,0,0,1636,0,0,0,0,774,0,1,1034,0,0,0,0,0,824,0,0, -0,0,0,118,0,0,560,296,0,0,0,0,0,0,0,0,1009,894,0,0,0,0,0,0,0,0,0,0,0,0,0,1474, 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-0,0,388,474,0,271,0,333,608,0,0,0,0,0,0,49,0,988,0,707,617,0,0,0,0,0,0,0,756,0, -0,0,0,0,1583,0,0,0,0,0,0,0,0,0,0,285,0,0,0,0,0,0,0,0,0,0,0,0,0,0,344,0,0,0,0,0, -0,0,0,515,1709,0,0,0,0,0,0,0,0,404,0,0,0,0,500,0,0,0,0,0,0,0,0,0,68,216,0,0,0,0, -0,0,0,488,353,0,0,177,236,0,0,458,490,0,0,0,0,0,0,756,1504,0,757,0,1735,0,0,108, -598,0,0,0,0}; -BROTLI_INTERNAL const uint8_t kStaticDictionaryHashLengths[32768] = { -8,0,0,0,0,0,0,0,0,4,0,0,0,0,0,0,0,6,0,0,0,0,0,6,0,0,0,0,0,0,12,0,0,0,0,4,22,5,0, -4,0,0,0,0,0,0,0,0,0,0,0,0,14,6,0,0,0,5,0,0,0,0,0,0,0,7,13,0,0,4,0,0,0,0,0,0,0,0, -0,6,0,0,0,0,8,0,0,0,0,0,0,7,0,7,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,15,0,0, -0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,12,0,0,4,0,0,0,4, -0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,10,4,0,5,13,7,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,9,6,0,0,8,7,0,0,9,0,8,0,0,0,0,0,0,6,0, 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-7,0,0,0,0,0,6,10,5,0,0,0,0,0,0,0,0,0,5,0,0,9,5,12,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -0,6,0,0,0,0,13,6,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5,0,0,0,0,0,0,0,0,0, -0,0,0,8,4,0,6,12,0,0,0,0,0,0,0,0,0,0,0,0,6,0,6,0,0,0,0,0,5,0,0,0,0,0,0,0,0,0,0, -0,0,0,0,11,4,0,0,0,6,14,0,11,0,9,6,0,0,0,0,0,0,22,0,12,0,8,6,0,0,0,0,0,0,0,6,0, -0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0,0, -10,7,0,0,0,0,0,0,0,0,9,0,0,0,0,4,0,0,0,0,0,0,0,0,0,5,11,0,0,0,0,0,0,0,8,6,0,0,9, -7,0,0,12,4,0,0,0,0,0,0,12,6,0,6,0,7,0,0,8,5,0,0,0,0}; -/* GENERATED CODE END */ - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/dictionary_hash.h b/src/deps/brotli/enc/dictionary_hash.h deleted file mode 100644 index e553ea5d4e..0000000000 --- a/src/deps/brotli/enc/dictionary_hash.h +++ /dev/null @@ -1,25 +0,0 @@ -/* Copyright 2015 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Hash table on the 4-byte prefixes of static dictionary words. */ - -#ifndef BROTLI_ENC_DICTIONARY_HASH_H_ -#define BROTLI_ENC_DICTIONARY_HASH_H_ - -#include - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -extern const uint16_t kStaticDictionaryHashWords[32768]; -extern const uint8_t kStaticDictionaryHashLengths[32768]; - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_DICTIONARY_HASH_H_ */ diff --git a/src/deps/brotli/enc/encode.c b/src/deps/brotli/enc/encode.c deleted file mode 100644 index 95ff2eaf50..0000000000 --- a/src/deps/brotli/enc/encode.c +++ /dev/null @@ -1,1996 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Implementation of Brotli compressor. */ - -#include -#include -#include - -#include /* free, malloc */ -#include /* memcpy, memset */ - -#include "../common/constants.h" -#include "../common/context.h" -#include "../common/platform.h" -#include "../common/version.h" -#include "backward_references.h" -#include "backward_references_hq.h" -#include "bit_cost.h" -#include "brotli_bit_stream.h" -#include "compress_fragment.h" -#include "compress_fragment_two_pass.h" -#include "dictionary_hash.h" -#include "encoder_dict.h" -#include "entropy_encode.h" -#include "fast_log.h" -#include "hash.h" -#include "histogram.h" -#include "memory.h" -#include "metablock.h" -#include "prefix.h" -#include "state.h" -#include "quality.h" -#include "ringbuffer.h" -#include "utf8_util.h" -#include "write_bits.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define COPY_ARRAY(dst, src) memcpy(dst, src, sizeof(src)); - -static size_t InputBlockSize(BrotliEncoderState* s) { - return (size_t)1 << s->params.lgblock; -} - -static uint64_t UnprocessedInputSize(BrotliEncoderState* s) { - return s->input_pos_ - s->last_processed_pos_; -} - -static size_t RemainingInputBlockSize(BrotliEncoderState* s) { - const uint64_t delta = UnprocessedInputSize(s); - size_t block_size = InputBlockSize(s); - if (delta >= block_size) return 0; - return block_size - (size_t)delta; -} - -BROTLI_BOOL BrotliEncoderSetParameter( - BrotliEncoderState* state, BrotliEncoderParameter p, uint32_t value) { - /* Changing parameters on the fly is not implemented yet. */ - if (state->is_initialized_) return BROTLI_FALSE; - /* TODO(eustas): Validate/clamp parameters here. */ - switch (p) { - case BROTLI_PARAM_MODE: - state->params.mode = (BrotliEncoderMode)value; - return BROTLI_TRUE; - - case BROTLI_PARAM_QUALITY: - state->params.quality = (int)value; - return BROTLI_TRUE; - - case BROTLI_PARAM_LGWIN: - state->params.lgwin = (int)value; - return BROTLI_TRUE; - - case BROTLI_PARAM_LGBLOCK: - state->params.lgblock = (int)value; - return BROTLI_TRUE; - - case BROTLI_PARAM_DISABLE_LITERAL_CONTEXT_MODELING: - if ((value != 0) && (value != 1)) return BROTLI_FALSE; - state->params.disable_literal_context_modeling = TO_BROTLI_BOOL(!!value); - return BROTLI_TRUE; - - case BROTLI_PARAM_SIZE_HINT: - state->params.size_hint = value; - return BROTLI_TRUE; - - case BROTLI_PARAM_LARGE_WINDOW: - state->params.large_window = TO_BROTLI_BOOL(!!value); - return BROTLI_TRUE; - - case BROTLI_PARAM_NPOSTFIX: - state->params.dist.distance_postfix_bits = value; - return BROTLI_TRUE; - - case BROTLI_PARAM_NDIRECT: - state->params.dist.num_direct_distance_codes = value; - return BROTLI_TRUE; - - case BROTLI_PARAM_STREAM_OFFSET: - if (value > (1u << 30)) return BROTLI_FALSE; - state->params.stream_offset = value; - return BROTLI_TRUE; - - default: return BROTLI_FALSE; - } -} - -/* Wraps 64-bit input position to 32-bit ring-buffer position preserving - "not-a-first-lap" feature. */ -static uint32_t WrapPosition(uint64_t position) { - uint32_t result = (uint32_t)position; - uint64_t gb = position >> 30; - if (gb > 2) { - /* Wrap every 2GiB; The first 3GB are continuous. */ - result = (result & ((1u << 30) - 1)) | ((uint32_t)((gb - 1) & 1) + 1) << 30; - } - return result; -} - -static uint8_t* GetBrotliStorage(BrotliEncoderState* s, size_t size) { - MemoryManager* m = &s->memory_manager_; - if (s->storage_size_ < size) { - BROTLI_FREE(m, s->storage_); - s->storage_ = BROTLI_ALLOC(m, uint8_t, size); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(s->storage_)) return NULL; - s->storage_size_ = size; - } - return s->storage_; -} - -static size_t HashTableSize(size_t max_table_size, size_t input_size) { - size_t htsize = 256; - while (htsize < max_table_size && htsize < input_size) { - htsize <<= 1; - } - return htsize; -} - -static int* GetHashTable(BrotliEncoderState* s, int quality, - size_t input_size, size_t* table_size) { - /* Use smaller hash table when input.size() is smaller, since we - fill the table, incurring O(hash table size) overhead for - compression, and if the input is short, we won't need that - many hash table entries anyway. */ - MemoryManager* m = &s->memory_manager_; - const size_t max_table_size = MaxHashTableSize(quality); - size_t htsize = HashTableSize(max_table_size, input_size); - int* table; - BROTLI_DCHECK(max_table_size >= 256); - if (quality == FAST_ONE_PASS_COMPRESSION_QUALITY) { - /* Only odd shifts are supported by fast-one-pass. */ - if ((htsize & 0xAAAAA) == 0) { - htsize <<= 1; - } - } - - if (htsize <= sizeof(s->small_table_) / sizeof(s->small_table_[0])) { - table = s->small_table_; - } else { - if (htsize > s->large_table_size_) { - s->large_table_size_ = htsize; - BROTLI_FREE(m, s->large_table_); - s->large_table_ = BROTLI_ALLOC(m, int, htsize); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(s->large_table_)) return 0; - } - table = s->large_table_; - } - - *table_size = htsize; - memset(table, 0, htsize * sizeof(*table)); - return table; -} - -static void EncodeWindowBits(int lgwin, BROTLI_BOOL large_window, - uint16_t* last_bytes, uint8_t* last_bytes_bits) { - if (large_window) { - *last_bytes = (uint16_t)(((lgwin & 0x3F) << 8) | 0x11); - *last_bytes_bits = 14; - } else { - if (lgwin == 16) { - *last_bytes = 0; - *last_bytes_bits = 1; - } else if (lgwin == 17) { - *last_bytes = 1; - *last_bytes_bits = 7; - } else if (lgwin > 17) { - *last_bytes = (uint16_t)(((lgwin - 17) << 1) | 0x01); - *last_bytes_bits = 4; - } else { - *last_bytes = (uint16_t)(((lgwin - 8) << 4) | 0x01); - *last_bytes_bits = 7; - } - } -} - -/* TODO(eustas): move to compress_fragment.c? */ -/* Initializes the command and distance prefix codes for the first block. */ -static void InitCommandPrefixCodes(BrotliOnePassArena* s) { - static const uint8_t kDefaultCommandDepths[128] = { - 0, 4, 4, 5, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, - 0, 0, 0, 4, 4, 4, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, - 7, 7, 10, 10, 10, 10, 10, 10, 0, 4, 4, 5, 5, 5, 6, 6, - 7, 8, 8, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, - 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, - 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 7, 7, 7, 8, 10, - 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, - }; - static const uint16_t kDefaultCommandBits[128] = { - 0, 0, 8, 9, 3, 35, 7, 71, - 39, 103, 23, 47, 175, 111, 239, 31, - 0, 0, 0, 4, 12, 2, 10, 6, - 13, 29, 11, 43, 27, 59, 87, 55, - 15, 79, 319, 831, 191, 703, 447, 959, - 0, 14, 1, 25, 5, 21, 19, 51, - 119, 159, 95, 223, 479, 991, 63, 575, - 127, 639, 383, 895, 255, 767, 511, 1023, - 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 27, 59, 7, 39, 23, 55, 30, 1, 17, 9, 25, 5, 0, 8, 4, 12, - 2, 10, 6, 21, 13, 29, 3, 19, 11, 15, 47, 31, 95, 63, 127, 255, - 767, 2815, 1791, 3839, 511, 2559, 1535, 3583, 1023, 3071, 2047, 4095, - }; - static const uint8_t kDefaultCommandCode[] = { - 0xff, 0x77, 0xd5, 0xbf, 0xe7, 0xde, 0xea, 0x9e, 0x51, 0x5d, 0xde, 0xc6, - 0x70, 0x57, 0xbc, 0x58, 0x58, 0x58, 0xd8, 0xd8, 0x58, 0xd5, 0xcb, 0x8c, - 0xea, 0xe0, 0xc3, 0x87, 0x1f, 0x83, 0xc1, 0x60, 0x1c, 0x67, 0xb2, 0xaa, - 0x06, 0x83, 0xc1, 0x60, 0x30, 0x18, 0xcc, 0xa1, 0xce, 0x88, 0x54, 0x94, - 0x46, 0xe1, 0xb0, 0xd0, 0x4e, 0xb2, 0xf7, 0x04, 0x00, - }; - static const size_t kDefaultCommandCodeNumBits = 448; - COPY_ARRAY(s->cmd_depth, kDefaultCommandDepths); - COPY_ARRAY(s->cmd_bits, kDefaultCommandBits); - - /* Initialize the pre-compressed form of the command and distance prefix - codes. */ - COPY_ARRAY(s->cmd_code, kDefaultCommandCode); - s->cmd_code_numbits = kDefaultCommandCodeNumBits; -} - -/* Decide about the context map based on the ability of the prediction - ability of the previous byte UTF8-prefix on the next byte. The - prediction ability is calculated as Shannon entropy. Here we need - Shannon entropy instead of 'BitsEntropy' since the prefix will be - encoded with the remaining 6 bits of the following byte, and - BitsEntropy will assume that symbol to be stored alone using Huffman - coding. */ -static void ChooseContextMap(int quality, - uint32_t* bigram_histo, - size_t* num_literal_contexts, - const uint32_t** literal_context_map) { - static const uint32_t kStaticContextMapContinuation[64] = { - 1, 1, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - }; - static const uint32_t kStaticContextMapSimpleUTF8[64] = { - 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - }; - - uint32_t monogram_histo[3] = { 0 }; - uint32_t two_prefix_histo[6] = { 0 }; - size_t total; - size_t i; - size_t dummy; - double entropy[4]; - for (i = 0; i < 9; ++i) { - monogram_histo[i % 3] += bigram_histo[i]; - two_prefix_histo[i % 6] += bigram_histo[i]; - } - entropy[1] = ShannonEntropy(monogram_histo, 3, &dummy); - entropy[2] = (ShannonEntropy(two_prefix_histo, 3, &dummy) + - ShannonEntropy(two_prefix_histo + 3, 3, &dummy)); - entropy[3] = 0; - for (i = 0; i < 3; ++i) { - entropy[3] += ShannonEntropy(bigram_histo + 3 * i, 3, &dummy); - } - - total = monogram_histo[0] + monogram_histo[1] + monogram_histo[2]; - BROTLI_DCHECK(total != 0); - entropy[0] = 1.0 / (double)total; - entropy[1] *= entropy[0]; - entropy[2] *= entropy[0]; - entropy[3] *= entropy[0]; - - if (quality < MIN_QUALITY_FOR_HQ_CONTEXT_MODELING) { - /* 3 context models is a bit slower, don't use it at lower qualities. */ - entropy[3] = entropy[1] * 10; - } - /* If expected savings by symbol are less than 0.2 bits, skip the - context modeling -- in exchange for faster decoding speed. */ - if (entropy[1] - entropy[2] < 0.2 && - entropy[1] - entropy[3] < 0.2) { - *num_literal_contexts = 1; - } else if (entropy[2] - entropy[3] < 0.02) { - *num_literal_contexts = 2; - *literal_context_map = kStaticContextMapSimpleUTF8; - } else { - *num_literal_contexts = 3; - *literal_context_map = kStaticContextMapContinuation; - } -} - -/* Decide if we want to use a more complex static context map containing 13 - context values, based on the entropy reduction of histograms over the - first 5 bits of literals. */ -static BROTLI_BOOL ShouldUseComplexStaticContextMap(const uint8_t* input, - size_t start_pos, size_t length, size_t mask, int quality, size_t size_hint, - size_t* num_literal_contexts, const uint32_t** literal_context_map, - uint32_t* arena) { - static const uint32_t kStaticContextMapComplexUTF8[64] = { - 11, 11, 12, 12, /* 0 special */ - 0, 0, 0, 0, /* 4 lf */ - 1, 1, 9, 9, /* 8 space */ - 2, 2, 2, 2, /* !, first after space/lf and after something else. */ - 1, 1, 1, 1, /* " */ - 8, 3, 3, 3, /* % */ - 1, 1, 1, 1, /* ({[ */ - 2, 2, 2, 2, /* }]) */ - 8, 4, 4, 4, /* :; */ - 8, 7, 4, 4, /* . */ - 8, 0, 0, 0, /* > */ - 3, 3, 3, 3, /* [0..9] */ - 5, 5, 10, 5, /* [A-Z] */ - 5, 5, 10, 5, - 6, 6, 6, 6, /* [a-z] */ - 6, 6, 6, 6, - }; - BROTLI_UNUSED(quality); - /* Try the more complex static context map only for long data. */ - if (size_hint < (1 << 20)) { - return BROTLI_FALSE; - } else { - const size_t end_pos = start_pos + length; - /* To make entropy calculations faster, we collect histograms - over the 5 most significant bits of literals. One histogram - without context and 13 additional histograms for each context value. */ - uint32_t* BROTLI_RESTRICT const combined_histo = arena; - uint32_t* BROTLI_RESTRICT const context_histo = arena + 32; - uint32_t total = 0; - double entropy[3]; - size_t dummy; - size_t i; - ContextLut utf8_lut = BROTLI_CONTEXT_LUT(CONTEXT_UTF8); - memset(arena, 0, sizeof(arena[0]) * 32 * 14); - for (; start_pos + 64 <= end_pos; start_pos += 4096) { - const size_t stride_end_pos = start_pos + 64; - uint8_t prev2 = input[start_pos & mask]; - uint8_t prev1 = input[(start_pos + 1) & mask]; - size_t pos; - /* To make the analysis of the data faster we only examine 64 byte long - strides at every 4kB intervals. */ - for (pos = start_pos + 2; pos < stride_end_pos; ++pos) { - const uint8_t literal = input[pos & mask]; - const uint8_t context = (uint8_t)kStaticContextMapComplexUTF8[ - BROTLI_CONTEXT(prev1, prev2, utf8_lut)]; - ++total; - ++combined_histo[literal >> 3]; - ++context_histo[(context << 5) + (literal >> 3)]; - prev2 = prev1; - prev1 = literal; - } - } - entropy[1] = ShannonEntropy(combined_histo, 32, &dummy); - entropy[2] = 0; - for (i = 0; i < 13; ++i) { - entropy[2] += ShannonEntropy(context_histo + (i << 5), 32, &dummy); - } - entropy[0] = 1.0 / (double)total; - entropy[1] *= entropy[0]; - entropy[2] *= entropy[0]; - /* The triggering heuristics below were tuned by compressing the individual - files of the silesia corpus. If we skip this kind of context modeling - for not very well compressible input (i.e. entropy using context modeling - is 60% of maximal entropy) or if expected savings by symbol are less - than 0.2 bits, then in every case when it triggers, the final compression - ratio is improved. Note however that this heuristics might be too strict - for some cases and could be tuned further. */ - if (entropy[2] > 3.0 || entropy[1] - entropy[2] < 0.2) { - return BROTLI_FALSE; - } else { - *num_literal_contexts = 13; - *literal_context_map = kStaticContextMapComplexUTF8; - return BROTLI_TRUE; - } - } -} - -static void DecideOverLiteralContextModeling(const uint8_t* input, - size_t start_pos, size_t length, size_t mask, int quality, size_t size_hint, - size_t* num_literal_contexts, const uint32_t** literal_context_map, - uint32_t* arena) { - if (quality < MIN_QUALITY_FOR_CONTEXT_MODELING || length < 64) { - return; - } else if (ShouldUseComplexStaticContextMap( - input, start_pos, length, mask, quality, size_hint, - num_literal_contexts, literal_context_map, arena)) { - /* Context map was already set, nothing else to do. */ - } else { - /* Gather bi-gram data of the UTF8 byte prefixes. To make the analysis of - UTF8 data faster we only examine 64 byte long strides at every 4kB - intervals. */ - const size_t end_pos = start_pos + length; - uint32_t* BROTLI_RESTRICT const bigram_prefix_histo = arena; - memset(bigram_prefix_histo, 0, sizeof(arena[0]) * 9); - for (; start_pos + 64 <= end_pos; start_pos += 4096) { - static const int lut[4] = { 0, 0, 1, 2 }; - const size_t stride_end_pos = start_pos + 64; - int prev = lut[input[start_pos & mask] >> 6] * 3; - size_t pos; - for (pos = start_pos + 1; pos < stride_end_pos; ++pos) { - const uint8_t literal = input[pos & mask]; - ++bigram_prefix_histo[prev + lut[literal >> 6]]; - prev = lut[literal >> 6] * 3; - } - } - ChooseContextMap(quality, &bigram_prefix_histo[0], num_literal_contexts, - literal_context_map); - } -} - -static BROTLI_BOOL ShouldCompress( - const uint8_t* data, const size_t mask, const uint64_t last_flush_pos, - const size_t bytes, const size_t num_literals, const size_t num_commands) { - /* TODO(eustas): find more precise minimal block overhead. */ - if (bytes <= 2) return BROTLI_FALSE; - if (num_commands < (bytes >> 8) + 2) { - if ((double)num_literals > 0.99 * (double)bytes) { - uint32_t literal_histo[256] = { 0 }; - static const uint32_t kSampleRate = 13; - static const double kMinEntropy = 7.92; - const double bit_cost_threshold = - (double)bytes * kMinEntropy / kSampleRate; - size_t t = (bytes + kSampleRate - 1) / kSampleRate; - uint32_t pos = (uint32_t)last_flush_pos; - size_t i; - for (i = 0; i < t; i++) { - ++literal_histo[data[pos & mask]]; - pos += kSampleRate; - } - if (BitsEntropy(literal_histo, 256) > bit_cost_threshold) { - return BROTLI_FALSE; - } - } - } - return BROTLI_TRUE; -} - -/* Chooses the literal context mode for a metablock */ -static ContextType ChooseContextMode(const BrotliEncoderParams* params, - const uint8_t* data, const size_t pos, const size_t mask, - const size_t length) { - /* We only do the computation for the option of something else than - CONTEXT_UTF8 for the highest qualities */ - if (params->quality >= MIN_QUALITY_FOR_HQ_BLOCK_SPLITTING && - !BrotliIsMostlyUTF8(data, pos, mask, length, kMinUTF8Ratio)) { - return CONTEXT_SIGNED; - } - return CONTEXT_UTF8; -} - -static void WriteMetaBlockInternal(MemoryManager* m, - const uint8_t* data, - const size_t mask, - const uint64_t last_flush_pos, - const size_t bytes, - const BROTLI_BOOL is_last, - ContextType literal_context_mode, - const BrotliEncoderParams* params, - const uint8_t prev_byte, - const uint8_t prev_byte2, - const size_t num_literals, - const size_t num_commands, - Command* commands, - const int* saved_dist_cache, - int* dist_cache, - size_t* storage_ix, - uint8_t* storage) { - const uint32_t wrapped_last_flush_pos = WrapPosition(last_flush_pos); - uint16_t last_bytes; - uint8_t last_bytes_bits; - ContextLut literal_context_lut = BROTLI_CONTEXT_LUT(literal_context_mode); - BrotliEncoderParams block_params = *params; - - if (bytes == 0) { - /* Write the ISLAST and ISEMPTY bits. */ - BrotliWriteBits(2, 3, storage_ix, storage); - *storage_ix = (*storage_ix + 7u) & ~7u; - return; - } - - if (!ShouldCompress(data, mask, last_flush_pos, bytes, - num_literals, num_commands)) { - /* Restore the distance cache, as its last update by - CreateBackwardReferences is now unused. */ - memcpy(dist_cache, saved_dist_cache, 4 * sizeof(dist_cache[0])); - BrotliStoreUncompressedMetaBlock(is_last, data, - wrapped_last_flush_pos, mask, bytes, - storage_ix, storage); - return; - } - - BROTLI_DCHECK(*storage_ix <= 14); - last_bytes = (uint16_t)((storage[1] << 8) | storage[0]); - last_bytes_bits = (uint8_t)(*storage_ix); - if (params->quality <= MAX_QUALITY_FOR_STATIC_ENTROPY_CODES) { - BrotliStoreMetaBlockFast(m, data, wrapped_last_flush_pos, - bytes, mask, is_last, params, - commands, num_commands, - storage_ix, storage); - if (BROTLI_IS_OOM(m)) return; - } else if (params->quality < MIN_QUALITY_FOR_BLOCK_SPLIT) { - BrotliStoreMetaBlockTrivial(m, data, wrapped_last_flush_pos, - bytes, mask, is_last, params, - commands, num_commands, - storage_ix, storage); - if (BROTLI_IS_OOM(m)) return; - } else { - MetaBlockSplit mb; - InitMetaBlockSplit(&mb); - if (params->quality < MIN_QUALITY_FOR_HQ_BLOCK_SPLITTING) { - size_t num_literal_contexts = 1; - const uint32_t* literal_context_map = NULL; - if (!params->disable_literal_context_modeling) { - /* TODO(eustas): pull to higher level and reuse. */ - uint32_t* arena = BROTLI_ALLOC(m, uint32_t, 14 * 32); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(arena)) return; - DecideOverLiteralContextModeling( - data, wrapped_last_flush_pos, bytes, mask, params->quality, - params->size_hint, &num_literal_contexts, - &literal_context_map, arena); - BROTLI_FREE(m, arena); - } - BrotliBuildMetaBlockGreedy(m, data, wrapped_last_flush_pos, mask, - prev_byte, prev_byte2, literal_context_lut, num_literal_contexts, - literal_context_map, commands, num_commands, &mb); - if (BROTLI_IS_OOM(m)) return; - } else { - BrotliBuildMetaBlock(m, data, wrapped_last_flush_pos, mask, &block_params, - prev_byte, prev_byte2, - commands, num_commands, - literal_context_mode, - &mb); - if (BROTLI_IS_OOM(m)) return; - } - if (params->quality >= MIN_QUALITY_FOR_OPTIMIZE_HISTOGRAMS) { - /* The number of distance symbols effectively used for distance - histograms. It might be less than distance alphabet size - for "Large Window Brotli" (32-bit). */ - BrotliOptimizeHistograms(block_params.dist.alphabet_size_limit, &mb); - } - BrotliStoreMetaBlock(m, data, wrapped_last_flush_pos, bytes, mask, - prev_byte, prev_byte2, - is_last, - &block_params, - literal_context_mode, - commands, num_commands, - &mb, - storage_ix, storage); - if (BROTLI_IS_OOM(m)) return; - DestroyMetaBlockSplit(m, &mb); - } - if (bytes + 4 < (*storage_ix >> 3)) { - /* Restore the distance cache and last byte. */ - memcpy(dist_cache, saved_dist_cache, 4 * sizeof(dist_cache[0])); - storage[0] = (uint8_t)last_bytes; - storage[1] = (uint8_t)(last_bytes >> 8); - *storage_ix = last_bytes_bits; - BrotliStoreUncompressedMetaBlock(is_last, data, - wrapped_last_flush_pos, mask, - bytes, storage_ix, storage); - } -} - -static void ChooseDistanceParams(BrotliEncoderParams* params) { - uint32_t distance_postfix_bits = 0; - uint32_t num_direct_distance_codes = 0; - - if (params->quality >= MIN_QUALITY_FOR_NONZERO_DISTANCE_PARAMS) { - uint32_t ndirect_msb; - if (params->mode == BROTLI_MODE_FONT) { - distance_postfix_bits = 1; - num_direct_distance_codes = 12; - } else { - distance_postfix_bits = params->dist.distance_postfix_bits; - num_direct_distance_codes = params->dist.num_direct_distance_codes; - } - ndirect_msb = (num_direct_distance_codes >> distance_postfix_bits) & 0x0F; - if (distance_postfix_bits > BROTLI_MAX_NPOSTFIX || - num_direct_distance_codes > BROTLI_MAX_NDIRECT || - (ndirect_msb << distance_postfix_bits) != num_direct_distance_codes) { - distance_postfix_bits = 0; - num_direct_distance_codes = 0; - } - } - - BrotliInitDistanceParams(¶ms->dist, distance_postfix_bits, - num_direct_distance_codes, params->large_window); -} - -static BROTLI_BOOL EnsureInitialized(BrotliEncoderState* s) { - MemoryManager* m = &s->memory_manager_; - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - if (s->is_initialized_) return BROTLI_TRUE; - - s->last_bytes_bits_ = 0; - s->last_bytes_ = 0; - s->flint_ = BROTLI_FLINT_DONE; - s->remaining_metadata_bytes_ = BROTLI_UINT32_MAX; - - SanitizeParams(&s->params); - s->params.lgblock = ComputeLgBlock(&s->params); - ChooseDistanceParams(&s->params); - - if (s->params.stream_offset != 0) { - s->flint_ = BROTLI_FLINT_NEEDS_2_BYTES; - /* Poison the distance cache. -16 +- 3 is still less than zero (invalid). */ - s->dist_cache_[0] = -16; - s->dist_cache_[1] = -16; - s->dist_cache_[2] = -16; - s->dist_cache_[3] = -16; - memcpy(s->saved_dist_cache_, s->dist_cache_, sizeof(s->saved_dist_cache_)); - } - - RingBufferSetup(&s->params, &s->ringbuffer_); - - /* Initialize last byte with stream header. */ - { - int lgwin = s->params.lgwin; - if (s->params.quality == FAST_ONE_PASS_COMPRESSION_QUALITY || - s->params.quality == FAST_TWO_PASS_COMPRESSION_QUALITY) { - lgwin = BROTLI_MAX(int, lgwin, 18); - } - if (s->params.stream_offset == 0) { - EncodeWindowBits(lgwin, s->params.large_window, - &s->last_bytes_, &s->last_bytes_bits_); - } else { - /* Bigger values have the same effect, but could cause overflows. */ - s->params.stream_offset = BROTLI_MIN(size_t, - s->params.stream_offset, BROTLI_MAX_BACKWARD_LIMIT(lgwin)); - } - } - - if (s->params.quality == FAST_ONE_PASS_COMPRESSION_QUALITY) { - s->one_pass_arena_ = BROTLI_ALLOC(m, BrotliOnePassArena, 1); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - InitCommandPrefixCodes(s->one_pass_arena_); - } else if (s->params.quality == FAST_TWO_PASS_COMPRESSION_QUALITY) { - s->two_pass_arena_ = BROTLI_ALLOC(m, BrotliTwoPassArena, 1); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - } - - s->is_initialized_ = BROTLI_TRUE; - return BROTLI_TRUE; -} - -static void BrotliEncoderInitParams(BrotliEncoderParams* params) { - params->mode = BROTLI_DEFAULT_MODE; - params->large_window = BROTLI_FALSE; - params->quality = BROTLI_DEFAULT_QUALITY; - params->lgwin = BROTLI_DEFAULT_WINDOW; - params->lgblock = 0; - params->stream_offset = 0; - params->size_hint = 0; - params->disable_literal_context_modeling = BROTLI_FALSE; - BrotliInitSharedEncoderDictionary(¶ms->dictionary); - params->dist.distance_postfix_bits = 0; - params->dist.num_direct_distance_codes = 0; - params->dist.alphabet_size_max = - BROTLI_DISTANCE_ALPHABET_SIZE(0, 0, BROTLI_MAX_DISTANCE_BITS); - params->dist.alphabet_size_limit = params->dist.alphabet_size_max; - params->dist.max_distance = BROTLI_MAX_DISTANCE; -} - -static void BrotliEncoderCleanupParams(MemoryManager* m, - BrotliEncoderParams* params) { - BrotliCleanupSharedEncoderDictionary(m, ¶ms->dictionary); -} - -static void BrotliEncoderInitState(BrotliEncoderState* s) { - BrotliEncoderInitParams(&s->params); - s->input_pos_ = 0; - s->num_commands_ = 0; - s->num_literals_ = 0; - s->last_insert_len_ = 0; - s->last_flush_pos_ = 0; - s->last_processed_pos_ = 0; - s->prev_byte_ = 0; - s->prev_byte2_ = 0; - s->storage_size_ = 0; - s->storage_ = 0; - HasherInit(&s->hasher_); - s->large_table_ = NULL; - s->large_table_size_ = 0; - s->one_pass_arena_ = NULL; - s->two_pass_arena_ = NULL; - s->command_buf_ = NULL; - s->literal_buf_ = NULL; - s->total_in_ = 0; - s->next_out_ = NULL; - s->available_out_ = 0; - s->total_out_ = 0; - s->stream_state_ = BROTLI_STREAM_PROCESSING; - s->is_last_block_emitted_ = BROTLI_FALSE; - s->is_initialized_ = BROTLI_FALSE; - - RingBufferInit(&s->ringbuffer_); - - s->commands_ = 0; - s->cmd_alloc_size_ = 0; - - /* Initialize distance cache. */ - s->dist_cache_[0] = 4; - s->dist_cache_[1] = 11; - s->dist_cache_[2] = 15; - s->dist_cache_[3] = 16; - /* Save the state of the distance cache in case we need to restore it for - emitting an uncompressed block. */ - memcpy(s->saved_dist_cache_, s->dist_cache_, sizeof(s->saved_dist_cache_)); -} - -BrotliEncoderState* BrotliEncoderCreateInstance( - brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque) { - BrotliEncoderState* state = (BrotliEncoderState*)BrotliBootstrapAlloc( - sizeof(BrotliEncoderState), alloc_func, free_func, opaque); - if (state == NULL) { - /* BROTLI_DUMP(); */ - return 0; - } - BrotliInitMemoryManager( - &state->memory_manager_, alloc_func, free_func, opaque); - BrotliEncoderInitState(state); - return state; -} - -#ifdef BROTLI_REPORTING -/* When BROTLI_REPORTING is defined extra reporting module have to be linked. */ -void BrotliEncoderOnFinish(const BrotliEncoderState* s); -#define BROTLI_ENCODER_ON_FINISH(s) BrotliEncoderOnFinish(s); -#else -#if !defined(BROTLI_ENCODER_ON_FINISH) -#define BROTLI_ENCODER_ON_FINISH(s) (void)(s); -#endif -#endif - -static void BrotliEncoderCleanupState(BrotliEncoderState* s) { - MemoryManager* m = &s->memory_manager_; - - BROTLI_ENCODER_ON_FINISH(s); - - if (BROTLI_IS_OOM(m)) { - BrotliWipeOutMemoryManager(m); - return; - } - - BROTLI_FREE(m, s->storage_); - BROTLI_FREE(m, s->commands_); - RingBufferFree(m, &s->ringbuffer_); - DestroyHasher(m, &s->hasher_); - BROTLI_FREE(m, s->large_table_); - BROTLI_FREE(m, s->one_pass_arena_); - BROTLI_FREE(m, s->two_pass_arena_); - BROTLI_FREE(m, s->command_buf_); - BROTLI_FREE(m, s->literal_buf_); - BrotliEncoderCleanupParams(m, &s->params); -} - -/* Deinitializes and frees BrotliEncoderState instance. */ -void BrotliEncoderDestroyInstance(BrotliEncoderState* state) { - if (!state) { - return; - } else { - BrotliEncoderCleanupState(state); - BrotliBootstrapFree(state, &state->memory_manager_); - } -} - -/* - Copies the given input data to the internal ring buffer of the compressor. - No processing of the data occurs at this time and this function can be - called multiple times before calling WriteBrotliData() to process the - accumulated input. At most input_block_size() bytes of input data can be - copied to the ring buffer, otherwise the next WriteBrotliData() will fail. - */ -static void CopyInputToRingBuffer(BrotliEncoderState* s, - const size_t input_size, - const uint8_t* input_buffer) { - RingBuffer* ringbuffer_ = &s->ringbuffer_; - MemoryManager* m = &s->memory_manager_; - RingBufferWrite(m, input_buffer, input_size, ringbuffer_); - if (BROTLI_IS_OOM(m)) return; - s->input_pos_ += input_size; - - /* TL;DR: If needed, initialize 7 more bytes in the ring buffer to make the - hashing not depend on uninitialized data. This makes compression - deterministic and it prevents uninitialized memory warnings in Valgrind. - Even without erasing, the output would be valid (but nondeterministic). - - Background information: The compressor stores short (at most 8 bytes) - substrings of the input already read in a hash table, and detects - repetitions by looking up such substrings in the hash table. If it - can find a substring, it checks whether the substring is really there - in the ring buffer (or it's just a hash collision). Should the hash - table become corrupt, this check makes sure that the output is - still valid, albeit the compression ratio would be bad. - - The compressor populates the hash table from the ring buffer as it's - reading new bytes from the input. However, at the last few indexes of - the ring buffer, there are not enough bytes to build full-length - substrings from. Since the hash table always contains full-length - substrings, we erase with dummy zeros here to make sure that those - substrings will contain zeros at the end instead of uninitialized - data. - - Please note that erasing is not necessary (because the - memory region is already initialized since he ring buffer - has a `tail' that holds a copy of the beginning,) so we - skip erasing if we have already gone around at least once in - the ring buffer. - - Only clear during the first round of ring-buffer writes. On - subsequent rounds data in the ring-buffer would be affected. */ - if (ringbuffer_->pos_ <= ringbuffer_->mask_) { - /* This is the first time when the ring buffer is being written. - We clear 7 bytes just after the bytes that have been copied from - the input buffer. - - The ring-buffer has a "tail" that holds a copy of the beginning, - but only once the ring buffer has been fully written once, i.e., - pos <= mask. For the first time, we need to write values - in this tail (where index may be larger than mask), so that - we have exactly defined behavior and don't read uninitialized - memory. Due to performance reasons, hashing reads data using a - LOAD64, which can go 7 bytes beyond the bytes written in the - ring-buffer. */ - memset(ringbuffer_->buffer_ + ringbuffer_->pos_, 0, 7); - } -} - -/* Marks all input as processed. - Returns true if position wrapping occurs. */ -static BROTLI_BOOL UpdateLastProcessedPos(BrotliEncoderState* s) { - uint32_t wrapped_last_processed_pos = WrapPosition(s->last_processed_pos_); - uint32_t wrapped_input_pos = WrapPosition(s->input_pos_); - s->last_processed_pos_ = s->input_pos_; - return TO_BROTLI_BOOL(wrapped_input_pos < wrapped_last_processed_pos); -} - -static void ExtendLastCommand(BrotliEncoderState* s, uint32_t* bytes, - uint32_t* wrapped_last_processed_pos) { - Command* last_command = &s->commands_[s->num_commands_ - 1]; - const uint8_t* data = s->ringbuffer_.buffer_; - const uint32_t mask = s->ringbuffer_.mask_; - uint64_t max_backward_distance = - (((uint64_t)1) << s->params.lgwin) - BROTLI_WINDOW_GAP; - uint64_t last_copy_len = last_command->copy_len_ & 0x1FFFFFF; - uint64_t last_processed_pos = s->last_processed_pos_ - last_copy_len; - uint64_t max_distance = last_processed_pos < max_backward_distance ? - last_processed_pos : max_backward_distance; - uint64_t cmd_dist = (uint64_t)s->dist_cache_[0]; - uint32_t distance_code = CommandRestoreDistanceCode(last_command, - &s->params.dist); - const CompoundDictionary* dict = &s->params.dictionary.compound; - size_t compound_dictionary_size = dict->total_size; - if (distance_code < BROTLI_NUM_DISTANCE_SHORT_CODES || - distance_code - (BROTLI_NUM_DISTANCE_SHORT_CODES - 1) == cmd_dist) { - if (cmd_dist <= max_distance) { - while (*bytes != 0 && data[*wrapped_last_processed_pos & mask] == - data[(*wrapped_last_processed_pos - cmd_dist) & mask]) { - last_command->copy_len_++; - (*bytes)--; - (*wrapped_last_processed_pos)++; - } - } else { - if ((cmd_dist - max_distance - 1) < compound_dictionary_size && - last_copy_len < cmd_dist - max_distance) { - size_t address = - compound_dictionary_size - (size_t)(cmd_dist - max_distance) + - (size_t)last_copy_len; - size_t br_index = 0; - size_t br_offset; - const uint8_t* chunk; - size_t chunk_length; - while (address >= dict->chunk_offsets[br_index + 1]) br_index++; - br_offset = address - dict->chunk_offsets[br_index]; - chunk = dict->chunk_source[br_index]; - chunk_length = - dict->chunk_offsets[br_index + 1] - dict->chunk_offsets[br_index]; - while (*bytes != 0 && data[*wrapped_last_processed_pos & mask] == - chunk[br_offset]) { - last_command->copy_len_++; - (*bytes)--; - (*wrapped_last_processed_pos)++; - if (++br_offset == chunk_length) { - br_index++; - br_offset = 0; - if (br_index != dict->num_chunks) { - chunk = dict->chunk_source[br_index]; - chunk_length = dict->chunk_offsets[br_index + 1] - - dict->chunk_offsets[br_index]; - } else { - break; - } - } - } - } - } - /* The copy length is at most the metablock size, and thus expressible. */ - GetLengthCode(last_command->insert_len_, - (size_t)((int)(last_command->copy_len_ & 0x1FFFFFF) + - (int)(last_command->copy_len_ >> 25)), - TO_BROTLI_BOOL((last_command->dist_prefix_ & 0x3FF) == 0), - &last_command->cmd_prefix_); - } -} - -/* - Processes the accumulated input data and sets |*out_size| to the length of - the new output meta-block, or to zero if no new output meta-block has been - created (in this case the processed input data is buffered internally). - If |*out_size| is positive, |*output| points to the start of the output - data. If |is_last| or |force_flush| is BROTLI_TRUE, an output meta-block is - always created. However, until |is_last| is BROTLI_TRUE encoder may retain up - to 7 bits of the last byte of output. Byte-alignment could be enforced by - emitting an empty meta-data block. - Returns BROTLI_FALSE if the size of the input data is larger than - input_block_size(). - */ -static BROTLI_BOOL EncodeData( - BrotliEncoderState* s, const BROTLI_BOOL is_last, - const BROTLI_BOOL force_flush, size_t* out_size, uint8_t** output) { - const uint64_t delta = UnprocessedInputSize(s); - uint32_t bytes = (uint32_t)delta; - uint32_t wrapped_last_processed_pos = WrapPosition(s->last_processed_pos_); - uint8_t* data; - uint32_t mask; - MemoryManager* m = &s->memory_manager_; - ContextType literal_context_mode; - ContextLut literal_context_lut; - BROTLI_BOOL fast_compress = - s->params.quality == FAST_ONE_PASS_COMPRESSION_QUALITY || - s->params.quality == FAST_TWO_PASS_COMPRESSION_QUALITY; - - data = s->ringbuffer_.buffer_; - mask = s->ringbuffer_.mask_; - - if (delta == 0) { /* No new input; still might want to flush or finish. */ - if (!data) { /* No input has been processed so far. */ - if (is_last) { /* Emit complete finalized stream. */ - BROTLI_DCHECK(s->last_bytes_bits_ <= 14); - s->last_bytes_ |= (uint16_t)(3u << s->last_bytes_bits_); - s->last_bytes_bits_ = (uint8_t)(s->last_bytes_bits_ + 2u); - s->tiny_buf_.u8[0] = (uint8_t)s->last_bytes_; - s->tiny_buf_.u8[1] = (uint8_t)(s->last_bytes_ >> 8); - *output = s->tiny_buf_.u8; - *out_size = (s->last_bytes_bits_ + 7u) >> 3u; - return BROTLI_TRUE; - } else { /* No data, not last -> no-op. */ - *out_size = 0; - return BROTLI_TRUE; - } - } else { - /* Fast compress performs flush every block -> flush is no-op. */ - if (!is_last && (!force_flush || fast_compress)) { /* Another no-op. */ - *out_size = 0; - return BROTLI_TRUE; - } - } - } - BROTLI_DCHECK(data); - - if (s->params.quality > s->params.dictionary.max_quality) return BROTLI_FALSE; - /* Adding more blocks after "last" block is forbidden. */ - if (s->is_last_block_emitted_) return BROTLI_FALSE; - if (is_last) s->is_last_block_emitted_ = BROTLI_TRUE; - - if (delta > InputBlockSize(s)) { - return BROTLI_FALSE; - } - if (s->params.quality == FAST_TWO_PASS_COMPRESSION_QUALITY && - !s->command_buf_) { - s->command_buf_ = - BROTLI_ALLOC(m, uint32_t, kCompressFragmentTwoPassBlockSize); - s->literal_buf_ = - BROTLI_ALLOC(m, uint8_t, kCompressFragmentTwoPassBlockSize); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(s->command_buf_) || - BROTLI_IS_NULL(s->literal_buf_)) { - return BROTLI_FALSE; - } - } - - if (fast_compress) { - uint8_t* storage; - size_t storage_ix = s->last_bytes_bits_; - size_t table_size; - int* table; - - storage = GetBrotliStorage(s, 2 * bytes + 503); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - storage[0] = (uint8_t)s->last_bytes_; - storage[1] = (uint8_t)(s->last_bytes_ >> 8); - table = GetHashTable(s, s->params.quality, bytes, &table_size); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - if (s->params.quality == FAST_ONE_PASS_COMPRESSION_QUALITY) { - BrotliCompressFragmentFast( - s->one_pass_arena_, &data[wrapped_last_processed_pos & mask], - bytes, is_last, - table, table_size, - &storage_ix, storage); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - } else { - BrotliCompressFragmentTwoPass( - s->two_pass_arena_, &data[wrapped_last_processed_pos & mask], - bytes, is_last, - s->command_buf_, s->literal_buf_, - table, table_size, - &storage_ix, storage); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - } - s->last_bytes_ = (uint16_t)(storage[storage_ix >> 3]); - s->last_bytes_bits_ = storage_ix & 7u; - UpdateLastProcessedPos(s); - *output = &storage[0]; - *out_size = storage_ix >> 3; - return BROTLI_TRUE; - } - - { - /* Theoretical max number of commands is 1 per 2 bytes. */ - size_t newsize = s->num_commands_ + bytes / 2 + 1; - if (newsize > s->cmd_alloc_size_) { - Command* new_commands; - /* Reserve a bit more memory to allow merging with a next block - without reallocation: that would impact speed. */ - newsize += (bytes / 4) + 16; - s->cmd_alloc_size_ = newsize; - new_commands = BROTLI_ALLOC(m, Command, newsize); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(new_commands)) return BROTLI_FALSE; - if (s->commands_) { - memcpy(new_commands, s->commands_, sizeof(Command) * s->num_commands_); - BROTLI_FREE(m, s->commands_); - } - s->commands_ = new_commands; - } - } - - InitOrStitchToPreviousBlock(m, &s->hasher_, data, mask, &s->params, - wrapped_last_processed_pos, bytes, is_last); - - literal_context_mode = ChooseContextMode( - &s->params, data, WrapPosition(s->last_flush_pos_), - mask, (size_t)(s->input_pos_ - s->last_flush_pos_)); - literal_context_lut = BROTLI_CONTEXT_LUT(literal_context_mode); - - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - - if (s->num_commands_ && s->last_insert_len_ == 0) { - ExtendLastCommand(s, &bytes, &wrapped_last_processed_pos); - } - - if (s->params.quality == ZOPFLIFICATION_QUALITY) { - BROTLI_DCHECK(s->params.hasher.type == 10); - BrotliCreateZopfliBackwardReferences(m, bytes, wrapped_last_processed_pos, - data, mask, literal_context_lut, &s->params, - &s->hasher_, s->dist_cache_, - &s->last_insert_len_, &s->commands_[s->num_commands_], - &s->num_commands_, &s->num_literals_); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - } else if (s->params.quality == HQ_ZOPFLIFICATION_QUALITY) { - BROTLI_DCHECK(s->params.hasher.type == 10); - BrotliCreateHqZopfliBackwardReferences(m, bytes, wrapped_last_processed_pos, - data, mask, literal_context_lut, &s->params, - &s->hasher_, s->dist_cache_, - &s->last_insert_len_, &s->commands_[s->num_commands_], - &s->num_commands_, &s->num_literals_); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - } else { - BrotliCreateBackwardReferences(bytes, wrapped_last_processed_pos, - data, mask, literal_context_lut, &s->params, - &s->hasher_, s->dist_cache_, - &s->last_insert_len_, &s->commands_[s->num_commands_], - &s->num_commands_, &s->num_literals_); - } - - { - const size_t max_length = MaxMetablockSize(&s->params); - const size_t max_literals = max_length / 8; - const size_t max_commands = max_length / 8; - const size_t processed_bytes = (size_t)(s->input_pos_ - s->last_flush_pos_); - /* If maximal possible additional block doesn't fit metablock, flush now. */ - /* TODO(eustas): Postpone decision until next block arrives? */ - const BROTLI_BOOL next_input_fits_metablock = TO_BROTLI_BOOL( - processed_bytes + InputBlockSize(s) <= max_length); - /* If block splitting is not used, then flush as soon as there is some - amount of commands / literals produced. */ - const BROTLI_BOOL should_flush = TO_BROTLI_BOOL( - s->params.quality < MIN_QUALITY_FOR_BLOCK_SPLIT && - s->num_literals_ + s->num_commands_ >= MAX_NUM_DELAYED_SYMBOLS); - if (!is_last && !force_flush && !should_flush && - next_input_fits_metablock && - s->num_literals_ < max_literals && - s->num_commands_ < max_commands) { - /* Merge with next input block. Everything will happen later. */ - if (UpdateLastProcessedPos(s)) { - HasherReset(&s->hasher_); - } - *out_size = 0; - return BROTLI_TRUE; - } - } - - /* Create the last insert-only command. */ - if (s->last_insert_len_ > 0) { - InitInsertCommand(&s->commands_[s->num_commands_++], s->last_insert_len_); - s->num_literals_ += s->last_insert_len_; - s->last_insert_len_ = 0; - } - - if (!is_last && s->input_pos_ == s->last_flush_pos_) { - /* We have no new input data and we don't have to finish the stream, so - nothing to do. */ - *out_size = 0; - return BROTLI_TRUE; - } - BROTLI_DCHECK(s->input_pos_ >= s->last_flush_pos_); - BROTLI_DCHECK(s->input_pos_ > s->last_flush_pos_ || is_last); - BROTLI_DCHECK(s->input_pos_ - s->last_flush_pos_ <= 1u << 24); - { - const uint32_t metablock_size = - (uint32_t)(s->input_pos_ - s->last_flush_pos_); - uint8_t* storage = GetBrotliStorage(s, 2 * metablock_size + 503); - size_t storage_ix = s->last_bytes_bits_; - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - storage[0] = (uint8_t)s->last_bytes_; - storage[1] = (uint8_t)(s->last_bytes_ >> 8); - WriteMetaBlockInternal( - m, data, mask, s->last_flush_pos_, metablock_size, is_last, - literal_context_mode, &s->params, s->prev_byte_, s->prev_byte2_, - s->num_literals_, s->num_commands_, s->commands_, s->saved_dist_cache_, - s->dist_cache_, &storage_ix, storage); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - s->last_bytes_ = (uint16_t)(storage[storage_ix >> 3]); - s->last_bytes_bits_ = storage_ix & 7u; - s->last_flush_pos_ = s->input_pos_; - if (UpdateLastProcessedPos(s)) { - HasherReset(&s->hasher_); - } - if (s->last_flush_pos_ > 0) { - s->prev_byte_ = data[((uint32_t)s->last_flush_pos_ - 1) & mask]; - } - if (s->last_flush_pos_ > 1) { - s->prev_byte2_ = data[(uint32_t)(s->last_flush_pos_ - 2) & mask]; - } - s->num_commands_ = 0; - s->num_literals_ = 0; - /* Save the state of the distance cache in case we need to restore it for - emitting an uncompressed block. */ - memcpy(s->saved_dist_cache_, s->dist_cache_, sizeof(s->saved_dist_cache_)); - *output = &storage[0]; - *out_size = storage_ix >> 3; - return BROTLI_TRUE; - } -} - -/* Dumps remaining output bits and metadata header to |header|. - Returns number of produced bytes. - REQUIRED: |header| should be 8-byte aligned and at least 16 bytes long. - REQUIRED: |block_size| <= (1 << 24). */ -static size_t WriteMetadataHeader( - BrotliEncoderState* s, const size_t block_size, uint8_t* header) { - size_t storage_ix; - storage_ix = s->last_bytes_bits_; - header[0] = (uint8_t)s->last_bytes_; - header[1] = (uint8_t)(s->last_bytes_ >> 8); - s->last_bytes_ = 0; - s->last_bytes_bits_ = 0; - - BrotliWriteBits(1, 0, &storage_ix, header); - BrotliWriteBits(2, 3, &storage_ix, header); - BrotliWriteBits(1, 0, &storage_ix, header); - if (block_size == 0) { - BrotliWriteBits(2, 0, &storage_ix, header); - } else { - uint32_t nbits = (block_size == 1) ? 1 : - (Log2FloorNonZero((uint32_t)block_size - 1) + 1); - uint32_t nbytes = (nbits + 7) / 8; - BrotliWriteBits(2, nbytes, &storage_ix, header); - BrotliWriteBits(8 * nbytes, block_size - 1, &storage_ix, header); - } - return (storage_ix + 7u) >> 3; -} - -size_t BrotliEncoderMaxCompressedSize(size_t input_size) { - /* [window bits / empty metadata] + N * [uncompressed] + [last empty] */ - size_t num_large_blocks = input_size >> 14; - size_t overhead = 2 + (4 * num_large_blocks) + 3 + 1; - size_t result = input_size + overhead; - if (input_size == 0) return 2; - return (result < input_size) ? 0 : result; -} - -/* Wraps data to uncompressed brotli stream with minimal window size. - |output| should point at region with at least BrotliEncoderMaxCompressedSize - addressable bytes. - Returns the length of stream. */ -static size_t MakeUncompressedStream( - const uint8_t* input, size_t input_size, uint8_t* output) { - size_t size = input_size; - size_t result = 0; - size_t offset = 0; - if (input_size == 0) { - output[0] = 6; - return 1; - } - output[result++] = 0x21; /* window bits = 10, is_last = false */ - output[result++] = 0x03; /* empty metadata, padding */ - while (size > 0) { - uint32_t nibbles = 0; - uint32_t chunk_size; - uint32_t bits; - chunk_size = (size > (1u << 24)) ? (1u << 24) : (uint32_t)size; - if (chunk_size > (1u << 16)) nibbles = (chunk_size > (1u << 20)) ? 2 : 1; - bits = - (nibbles << 1) | ((chunk_size - 1) << 3) | (1u << (19 + 4 * nibbles)); - output[result++] = (uint8_t)bits; - output[result++] = (uint8_t)(bits >> 8); - output[result++] = (uint8_t)(bits >> 16); - if (nibbles == 2) output[result++] = (uint8_t)(bits >> 24); - memcpy(&output[result], &input[offset], chunk_size); - result += chunk_size; - offset += chunk_size; - size -= chunk_size; - } - output[result++] = 3; - return result; -} - -BROTLI_BOOL BrotliEncoderCompress( - int quality, int lgwin, BrotliEncoderMode mode, size_t input_size, - const uint8_t input_buffer[BROTLI_ARRAY_PARAM(input_size)], - size_t* encoded_size, - uint8_t encoded_buffer[BROTLI_ARRAY_PARAM(*encoded_size)]) { - BrotliEncoderState* s; - size_t out_size = *encoded_size; - const uint8_t* input_start = input_buffer; - uint8_t* output_start = encoded_buffer; - size_t max_out_size = BrotliEncoderMaxCompressedSize(input_size); - if (out_size == 0) { - /* Output buffer needs at least one byte. */ - return BROTLI_FALSE; - } - if (input_size == 0) { - /* Handle the special case of empty input. */ - *encoded_size = 1; - *encoded_buffer = 6; - return BROTLI_TRUE; - } - - s = BrotliEncoderCreateInstance(0, 0, 0); - if (!s) { - return BROTLI_FALSE; - } else { - size_t available_in = input_size; - const uint8_t* next_in = input_buffer; - size_t available_out = *encoded_size; - uint8_t* next_out = encoded_buffer; - size_t total_out = 0; - BROTLI_BOOL result = BROTLI_FALSE; - /* TODO(eustas): check that parameters are sane. */ - BrotliEncoderSetParameter(s, BROTLI_PARAM_QUALITY, (uint32_t)quality); - BrotliEncoderSetParameter(s, BROTLI_PARAM_LGWIN, (uint32_t)lgwin); - BrotliEncoderSetParameter(s, BROTLI_PARAM_MODE, (uint32_t)mode); - BrotliEncoderSetParameter(s, BROTLI_PARAM_SIZE_HINT, (uint32_t)input_size); - if (lgwin > BROTLI_MAX_WINDOW_BITS) { - BrotliEncoderSetParameter(s, BROTLI_PARAM_LARGE_WINDOW, BROTLI_TRUE); - } - result = BrotliEncoderCompressStream(s, BROTLI_OPERATION_FINISH, - &available_in, &next_in, &available_out, &next_out, &total_out); - if (!BrotliEncoderIsFinished(s)) result = 0; - *encoded_size = total_out; - BrotliEncoderDestroyInstance(s); - if (!result || (max_out_size && *encoded_size > max_out_size)) { - goto fallback; - } - return BROTLI_TRUE; - } -fallback: - *encoded_size = 0; - if (!max_out_size) return BROTLI_FALSE; - if (out_size >= max_out_size) { - *encoded_size = - MakeUncompressedStream(input_start, input_size, output_start); - return BROTLI_TRUE; - } - return BROTLI_FALSE; -} - -static void InjectBytePaddingBlock(BrotliEncoderState* s) { - uint32_t seal = s->last_bytes_; - size_t seal_bits = s->last_bytes_bits_; - uint8_t* destination; - s->last_bytes_ = 0; - s->last_bytes_bits_ = 0; - /* is_last = 0, data_nibbles = 11, reserved = 0, meta_nibbles = 00 */ - seal |= 0x6u << seal_bits; - seal_bits += 6; - /* If we have already created storage, then append to it. - Storage is valid until next block is being compressed. */ - if (s->next_out_) { - destination = s->next_out_ + s->available_out_; - } else { - destination = s->tiny_buf_.u8; - s->next_out_ = destination; - } - destination[0] = (uint8_t)seal; - if (seal_bits > 8) destination[1] = (uint8_t)(seal >> 8); - if (seal_bits > 16) destination[2] = (uint8_t)(seal >> 16); - s->available_out_ += (seal_bits + 7) >> 3; -} - -/* Fills the |total_out|, if it is not NULL. */ -static void SetTotalOut(BrotliEncoderState* s, size_t* total_out) { - if (total_out) { - /* Saturating conversion uint64_t -> size_t */ - size_t result = (size_t)-1; - if (s->total_out_ < result) { - result = (size_t)s->total_out_; - } - *total_out = result; - } -} - -/* Injects padding bits or pushes compressed data to output. - Returns false if nothing is done. */ -static BROTLI_BOOL InjectFlushOrPushOutput(BrotliEncoderState* s, - size_t* available_out, uint8_t** next_out, size_t* total_out) { - if (s->stream_state_ == BROTLI_STREAM_FLUSH_REQUESTED && - s->last_bytes_bits_ != 0) { - InjectBytePaddingBlock(s); - return BROTLI_TRUE; - } - - if (s->available_out_ != 0 && *available_out != 0) { - size_t copy_output_size = - BROTLI_MIN(size_t, s->available_out_, *available_out); - memcpy(*next_out, s->next_out_, copy_output_size); - *next_out += copy_output_size; - *available_out -= copy_output_size; - s->next_out_ += copy_output_size; - s->available_out_ -= copy_output_size; - s->total_out_ += copy_output_size; - SetTotalOut(s, total_out); - return BROTLI_TRUE; - } - - return BROTLI_FALSE; -} - -static void CheckFlushComplete(BrotliEncoderState* s) { - if (s->stream_state_ == BROTLI_STREAM_FLUSH_REQUESTED && - s->available_out_ == 0) { - s->stream_state_ = BROTLI_STREAM_PROCESSING; - s->next_out_ = 0; - } -} - -static BROTLI_BOOL BrotliEncoderCompressStreamFast( - BrotliEncoderState* s, BrotliEncoderOperation op, size_t* available_in, - const uint8_t** next_in, size_t* available_out, uint8_t** next_out, - size_t* total_out) { - const size_t block_size_limit = (size_t)1 << s->params.lgwin; - const size_t buf_size = BROTLI_MIN(size_t, kCompressFragmentTwoPassBlockSize, - BROTLI_MIN(size_t, *available_in, block_size_limit)); - uint32_t* tmp_command_buf = NULL; - uint32_t* command_buf = NULL; - uint8_t* tmp_literal_buf = NULL; - uint8_t* literal_buf = NULL; - MemoryManager* m = &s->memory_manager_; - if (s->params.quality != FAST_ONE_PASS_COMPRESSION_QUALITY && - s->params.quality != FAST_TWO_PASS_COMPRESSION_QUALITY) { - return BROTLI_FALSE; - } - if (s->params.quality == FAST_TWO_PASS_COMPRESSION_QUALITY) { - if (!s->command_buf_ && buf_size == kCompressFragmentTwoPassBlockSize) { - s->command_buf_ = - BROTLI_ALLOC(m, uint32_t, kCompressFragmentTwoPassBlockSize); - s->literal_buf_ = - BROTLI_ALLOC(m, uint8_t, kCompressFragmentTwoPassBlockSize); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(s->command_buf_) || - BROTLI_IS_NULL(s->literal_buf_)) { - return BROTLI_FALSE; - } - } - if (s->command_buf_) { - command_buf = s->command_buf_; - literal_buf = s->literal_buf_; - } else { - tmp_command_buf = BROTLI_ALLOC(m, uint32_t, buf_size); - tmp_literal_buf = BROTLI_ALLOC(m, uint8_t, buf_size); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(tmp_command_buf) || - BROTLI_IS_NULL(tmp_literal_buf)) { - return BROTLI_FALSE; - } - command_buf = tmp_command_buf; - literal_buf = tmp_literal_buf; - } - } - - while (BROTLI_TRUE) { - if (InjectFlushOrPushOutput(s, available_out, next_out, total_out)) { - continue; - } - - /* Compress block only when internal output buffer is empty, stream is not - finished, there is no pending flush request, and there is either - additional input or pending operation. */ - if (s->available_out_ == 0 && - s->stream_state_ == BROTLI_STREAM_PROCESSING && - (*available_in != 0 || op != BROTLI_OPERATION_PROCESS)) { - size_t block_size = BROTLI_MIN(size_t, block_size_limit, *available_in); - BROTLI_BOOL is_last = - (*available_in == block_size) && (op == BROTLI_OPERATION_FINISH); - BROTLI_BOOL force_flush = - (*available_in == block_size) && (op == BROTLI_OPERATION_FLUSH); - size_t max_out_size = 2 * block_size + 503; - BROTLI_BOOL inplace = BROTLI_TRUE; - uint8_t* storage = NULL; - size_t storage_ix = s->last_bytes_bits_; - size_t table_size; - int* table; - - if (force_flush && block_size == 0) { - s->stream_state_ = BROTLI_STREAM_FLUSH_REQUESTED; - continue; - } - if (max_out_size <= *available_out) { - storage = *next_out; - } else { - inplace = BROTLI_FALSE; - storage = GetBrotliStorage(s, max_out_size); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - } - storage[0] = (uint8_t)s->last_bytes_; - storage[1] = (uint8_t)(s->last_bytes_ >> 8); - table = GetHashTable(s, s->params.quality, block_size, &table_size); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - - if (s->params.quality == FAST_ONE_PASS_COMPRESSION_QUALITY) { - BrotliCompressFragmentFast(s->one_pass_arena_, *next_in, block_size, - is_last, table, table_size, &storage_ix, storage); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - } else { - BrotliCompressFragmentTwoPass(s->two_pass_arena_, *next_in, block_size, - is_last, command_buf, literal_buf, table, table_size, - &storage_ix, storage); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - } - if (block_size != 0) { - *next_in += block_size; - *available_in -= block_size; - s->total_in_ += block_size; - } - if (inplace) { - size_t out_bytes = storage_ix >> 3; - BROTLI_DCHECK(out_bytes <= *available_out); - BROTLI_DCHECK((storage_ix & 7) == 0 || out_bytes < *available_out); - *next_out += out_bytes; - *available_out -= out_bytes; - s->total_out_ += out_bytes; - SetTotalOut(s, total_out); - } else { - size_t out_bytes = storage_ix >> 3; - s->next_out_ = storage; - s->available_out_ = out_bytes; - } - s->last_bytes_ = (uint16_t)(storage[storage_ix >> 3]); - s->last_bytes_bits_ = storage_ix & 7u; - - if (force_flush) s->stream_state_ = BROTLI_STREAM_FLUSH_REQUESTED; - if (is_last) s->stream_state_ = BROTLI_STREAM_FINISHED; - continue; - } - break; - } - BROTLI_FREE(m, tmp_command_buf); - BROTLI_FREE(m, tmp_literal_buf); - CheckFlushComplete(s); - return BROTLI_TRUE; -} - -static BROTLI_BOOL ProcessMetadata( - BrotliEncoderState* s, size_t* available_in, const uint8_t** next_in, - size_t* available_out, uint8_t** next_out, size_t* total_out) { - if (*available_in > (1u << 24)) return BROTLI_FALSE; - /* Switch to metadata block workflow, if required. */ - if (s->stream_state_ == BROTLI_STREAM_PROCESSING) { - s->remaining_metadata_bytes_ = (uint32_t)*available_in; - s->stream_state_ = BROTLI_STREAM_METADATA_HEAD; - } - if (s->stream_state_ != BROTLI_STREAM_METADATA_HEAD && - s->stream_state_ != BROTLI_STREAM_METADATA_BODY) { - return BROTLI_FALSE; - } - - while (BROTLI_TRUE) { - if (InjectFlushOrPushOutput(s, available_out, next_out, total_out)) { - continue; - } - if (s->available_out_ != 0) break; - - if (s->input_pos_ != s->last_flush_pos_) { - BROTLI_BOOL result = EncodeData(s, BROTLI_FALSE, BROTLI_TRUE, - &s->available_out_, &s->next_out_); - if (!result) return BROTLI_FALSE; - continue; - } - - if (s->stream_state_ == BROTLI_STREAM_METADATA_HEAD) { - s->next_out_ = s->tiny_buf_.u8; - s->available_out_ = - WriteMetadataHeader(s, s->remaining_metadata_bytes_, s->next_out_); - s->stream_state_ = BROTLI_STREAM_METADATA_BODY; - continue; - } else { - /* Exit workflow only when there is no more input and no more output. - Otherwise client may continue producing empty metadata blocks. */ - if (s->remaining_metadata_bytes_ == 0) { - s->remaining_metadata_bytes_ = BROTLI_UINT32_MAX; - s->stream_state_ = BROTLI_STREAM_PROCESSING; - break; - } - if (*available_out) { - /* Directly copy input to output. */ - uint32_t copy = (uint32_t)BROTLI_MIN( - size_t, s->remaining_metadata_bytes_, *available_out); - memcpy(*next_out, *next_in, copy); - *next_in += copy; - *available_in -= copy; - s->total_in_ += copy; /* not actually data input, though */ - s->remaining_metadata_bytes_ -= copy; - *next_out += copy; - *available_out -= copy; - } else { - /* This guarantees progress in "TakeOutput" workflow. */ - uint32_t copy = BROTLI_MIN(uint32_t, s->remaining_metadata_bytes_, 16); - s->next_out_ = s->tiny_buf_.u8; - memcpy(s->next_out_, *next_in, copy); - *next_in += copy; - *available_in -= copy; - s->total_in_ += copy; /* not actually data input, though */ - s->remaining_metadata_bytes_ -= copy; - s->available_out_ = copy; - } - continue; - } - } - - return BROTLI_TRUE; -} - -static void UpdateSizeHint(BrotliEncoderState* s, size_t available_in) { - if (s->params.size_hint == 0) { - uint64_t delta = UnprocessedInputSize(s); - uint64_t tail = available_in; - uint32_t limit = 1u << 30; - uint32_t total; - if ((delta >= limit) || (tail >= limit) || ((delta + tail) >= limit)) { - total = limit; - } else { - total = (uint32_t)(delta + tail); - } - s->params.size_hint = total; - } -} - -BROTLI_BOOL BrotliEncoderCompressStream( - BrotliEncoderState* s, BrotliEncoderOperation op, size_t* available_in, - const uint8_t** next_in, size_t* available_out, uint8_t** next_out, - size_t* total_out) { - if (!EnsureInitialized(s)) return BROTLI_FALSE; - - /* Unfinished metadata block; check requirements. */ - if (s->remaining_metadata_bytes_ != BROTLI_UINT32_MAX) { - if (*available_in != s->remaining_metadata_bytes_) return BROTLI_FALSE; - if (op != BROTLI_OPERATION_EMIT_METADATA) return BROTLI_FALSE; - } - - if (op == BROTLI_OPERATION_EMIT_METADATA) { - UpdateSizeHint(s, 0); /* First data metablock might be emitted here. */ - return ProcessMetadata( - s, available_in, next_in, available_out, next_out, total_out); - } - - if (s->stream_state_ == BROTLI_STREAM_METADATA_HEAD || - s->stream_state_ == BROTLI_STREAM_METADATA_BODY) { - return BROTLI_FALSE; - } - - if (s->stream_state_ != BROTLI_STREAM_PROCESSING && *available_in != 0) { - return BROTLI_FALSE; - } - if (s->params.quality == FAST_ONE_PASS_COMPRESSION_QUALITY || - s->params.quality == FAST_TWO_PASS_COMPRESSION_QUALITY) { - return BrotliEncoderCompressStreamFast(s, op, available_in, next_in, - available_out, next_out, total_out); - } - while (BROTLI_TRUE) { - size_t remaining_block_size = RemainingInputBlockSize(s); - /* Shorten input to flint size. */ - if (s->flint_ >= 0 && remaining_block_size > (size_t)s->flint_) { - remaining_block_size = (size_t)s->flint_; - } - - if (remaining_block_size != 0 && *available_in != 0) { - size_t copy_input_size = - BROTLI_MIN(size_t, remaining_block_size, *available_in); - CopyInputToRingBuffer(s, copy_input_size, *next_in); - *next_in += copy_input_size; - *available_in -= copy_input_size; - s->total_in_ += copy_input_size; - if (s->flint_ > 0) s->flint_ = (int8_t)(s->flint_ - (int)copy_input_size); - continue; - } - - if (InjectFlushOrPushOutput(s, available_out, next_out, total_out)) { - /* Exit the "emit flint" workflow. */ - if (s->flint_ == BROTLI_FLINT_WAITING_FOR_FLUSHING) { - CheckFlushComplete(s); - if (s->stream_state_ == BROTLI_STREAM_PROCESSING) { - s->flint_ = BROTLI_FLINT_DONE; - } - } - continue; - } - - /* Compress data only when internal output buffer is empty, stream is not - finished and there is no pending flush request. */ - if (s->available_out_ == 0 && - s->stream_state_ == BROTLI_STREAM_PROCESSING) { - if (remaining_block_size == 0 || op != BROTLI_OPERATION_PROCESS) { - BROTLI_BOOL is_last = TO_BROTLI_BOOL( - (*available_in == 0) && op == BROTLI_OPERATION_FINISH); - BROTLI_BOOL force_flush = TO_BROTLI_BOOL( - (*available_in == 0) && op == BROTLI_OPERATION_FLUSH); - BROTLI_BOOL result; - /* Force emitting (uncompressed) piece containing flint. */ - if (!is_last && s->flint_ == 0) { - s->flint_ = BROTLI_FLINT_WAITING_FOR_FLUSHING; - force_flush = BROTLI_TRUE; - } - UpdateSizeHint(s, *available_in); - result = EncodeData(s, is_last, force_flush, - &s->available_out_, &s->next_out_); - if (!result) return BROTLI_FALSE; - if (force_flush) s->stream_state_ = BROTLI_STREAM_FLUSH_REQUESTED; - if (is_last) s->stream_state_ = BROTLI_STREAM_FINISHED; - continue; - } - } - break; - } - CheckFlushComplete(s); - return BROTLI_TRUE; -} - -BROTLI_BOOL BrotliEncoderIsFinished(BrotliEncoderState* s) { - return TO_BROTLI_BOOL(s->stream_state_ == BROTLI_STREAM_FINISHED && - !BrotliEncoderHasMoreOutput(s)); -} - -BROTLI_BOOL BrotliEncoderHasMoreOutput(BrotliEncoderState* s) { - return TO_BROTLI_BOOL(s->available_out_ != 0); -} - -const uint8_t* BrotliEncoderTakeOutput(BrotliEncoderState* s, size_t* size) { - size_t consumed_size = s->available_out_; - uint8_t* result = s->next_out_; - if (*size) { - consumed_size = BROTLI_MIN(size_t, *size, s->available_out_); - } - if (consumed_size) { - s->next_out_ += consumed_size; - s->available_out_ -= consumed_size; - s->total_out_ += consumed_size; - CheckFlushComplete(s); - *size = consumed_size; - } else { - *size = 0; - result = 0; - } - return result; -} - -uint32_t BrotliEncoderVersion(void) { - return BROTLI_VERSION; -} - -BrotliEncoderPreparedDictionary* BrotliEncoderPrepareDictionary( - BrotliSharedDictionaryType type, size_t size, - const uint8_t data[BROTLI_ARRAY_PARAM(size)], int quality, - brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque) { - ManagedDictionary* managed_dictionary = NULL; - BROTLI_BOOL type_is_known = BROTLI_FALSE; - type_is_known |= (type == BROTLI_SHARED_DICTIONARY_RAW); -#if defined(BROTLI_EXPERIMENTAL) - type_is_known |= (type == BROTLI_SHARED_DICTIONARY_SERIALIZED); -#endif /* BROTLI_EXPERIMENTAL */ - if (!type_is_known) { - return NULL; - } - managed_dictionary = - BrotliCreateManagedDictionary(alloc_func, free_func, opaque); - if (managed_dictionary == NULL) { - return NULL; - } - if (type == BROTLI_SHARED_DICTIONARY_RAW) { - managed_dictionary->dictionary = (uint32_t*)CreatePreparedDictionary( - &managed_dictionary->memory_manager_, data, size); - } -#if defined(BROTLI_EXPERIMENTAL) - if (type == BROTLI_SHARED_DICTIONARY_SERIALIZED) { - SharedEncoderDictionary* dict = (SharedEncoderDictionary*)BrotliAllocate( - &managed_dictionary->memory_manager_, sizeof(SharedEncoderDictionary)); - managed_dictionary->dictionary = (uint32_t*)dict; - if (dict != NULL) { - BROTLI_BOOL ok = BrotliInitCustomSharedEncoderDictionary( - &managed_dictionary->memory_manager_, data, size, quality, dict); - if (!ok) { - BrotliFree(&managed_dictionary->memory_manager_, dict); - managed_dictionary->dictionary = NULL; - } - } - } -#else /* BROTLI_EXPERIMENTAL */ - (void)quality; -#endif /* BROTLI_EXPERIMENTAL */ - if (managed_dictionary->dictionary == NULL) { - BrotliDestroyManagedDictionary(managed_dictionary); - return NULL; - } - return (BrotliEncoderPreparedDictionary*)managed_dictionary; -} - -void BrotliEncoderDestroyPreparedDictionary( - BrotliEncoderPreparedDictionary* dictionary) { - ManagedDictionary* dict = (ManagedDictionary*)dictionary; - if (!dictionary) return; - /* First field of dictionary structs. */ - /* Only managed dictionaries are eligible for destruction by this method. */ - if (dict->magic != kManagedDictionaryMagic) { - return; - } - if (dict->dictionary == NULL) { - /* This should never ever happen. */ - } else if (*dict->dictionary == kLeanPreparedDictionaryMagic) { - DestroyPreparedDictionary( - &dict->memory_manager_, (PreparedDictionary*)dict->dictionary); - } else if (*dict->dictionary == kSharedDictionaryMagic) { - BrotliCleanupSharedEncoderDictionary(&dict->memory_manager_, - (SharedEncoderDictionary*)dict->dictionary); - BrotliFree(&dict->memory_manager_, dict->dictionary); - } else { - /* There is also kPreparedDictionaryMagic, but such instances should be - * constructed and destroyed by different means. */ - } - dict->dictionary = NULL; - BrotliDestroyManagedDictionary(dict); -} - -BROTLI_BOOL BrotliEncoderAttachPreparedDictionary(BrotliEncoderState* state, - const BrotliEncoderPreparedDictionary* dictionary) { - /* First field of dictionary structs */ - const BrotliEncoderPreparedDictionary* dict = dictionary; - uint32_t magic = *((const uint32_t*)dict); - SharedEncoderDictionary* current = NULL; - if (magic == kManagedDictionaryMagic) { - /* Unwrap managed dictionary. */ - ManagedDictionary* managed_dictionary = (ManagedDictionary*)dict; - magic = *managed_dictionary->dictionary; - dict = (BrotliEncoderPreparedDictionary*)managed_dictionary->dictionary; - } - current = &state->params.dictionary; - if (magic == kPreparedDictionaryMagic || - magic == kLeanPreparedDictionaryMagic) { - const PreparedDictionary* prepared = (const PreparedDictionary*)dict; - if (!AttachPreparedDictionary(¤t->compound, prepared)) { - return BROTLI_FALSE; - } - } else if (magic == kSharedDictionaryMagic) { - const SharedEncoderDictionary* attached = - (const SharedEncoderDictionary*)dict; - BROTLI_BOOL was_default = !current->contextual.context_based && - current->contextual.num_dictionaries == 1 && - current->contextual.dict[0]->hash_table_words == - kStaticDictionaryHashWords && - current->contextual.dict[0]->hash_table_lengths == - kStaticDictionaryHashLengths; - BROTLI_BOOL new_default = !attached->contextual.context_based && - attached->contextual.num_dictionaries == 1 && - attached->contextual.dict[0]->hash_table_words == - kStaticDictionaryHashWords && - attached->contextual.dict[0]->hash_table_lengths == - kStaticDictionaryHashLengths; - size_t i; - if (state->is_initialized_) return BROTLI_FALSE; - current->max_quality = - BROTLI_MIN(int, current->max_quality, attached->max_quality); - for (i = 0; i < attached->compound.num_chunks; i++) { - if (!AttachPreparedDictionary(¤t->compound, - attached->compound.chunks[i])) { - return BROTLI_FALSE; - } - } - if (!new_default) { - if (!was_default) return BROTLI_FALSE; - /* Copy by value, but then set num_instances_ to 0 because their memory - is managed by attached, not by current */ - current->contextual = attached->contextual; - current->contextual.num_instances_ = 0; - } - } else { - return BROTLI_FALSE; - } - return BROTLI_TRUE; -} - -size_t BrotliEncoderEstimatePeakMemoryUsage(int quality, int lgwin, - size_t input_size) { - BrotliEncoderParams params; - size_t memory_manager_slots = BROTLI_ENCODER_MEMORY_MANAGER_SLOTS; - size_t memory_manager_size = memory_manager_slots * sizeof(void*); - BrotliEncoderInitParams(¶ms); - params.quality = quality; - params.lgwin = lgwin; - params.size_hint = input_size; - params.large_window = lgwin > BROTLI_MAX_WINDOW_BITS; - SanitizeParams(¶ms); - params.lgblock = ComputeLgBlock(¶ms); - ChooseHasher(¶ms, ¶ms.hasher); - if (params.quality == FAST_ONE_PASS_COMPRESSION_QUALITY || - params.quality == FAST_TWO_PASS_COMPRESSION_QUALITY) { - size_t state_size = sizeof(BrotliEncoderState); - size_t block_size = BROTLI_MIN(size_t, input_size, (1ul << params.lgwin)); - size_t hash_table_size = - HashTableSize(MaxHashTableSize(params.quality), block_size); - size_t hash_size = - (hash_table_size < (1u << 10)) ? 0 : sizeof(int) * hash_table_size; - size_t cmdbuf_size = params.quality == FAST_TWO_PASS_COMPRESSION_QUALITY ? - 5 * BROTLI_MIN(size_t, block_size, 1ul << 17) : 0; - if (params.quality == FAST_ONE_PASS_COMPRESSION_QUALITY) { - state_size += sizeof(BrotliOnePassArena); - } else { - state_size += sizeof(BrotliTwoPassArena); - } - return hash_size + cmdbuf_size + state_size; - } else { - size_t short_ringbuffer_size = (size_t)1 << params.lgblock; - int ringbuffer_bits = ComputeRbBits(¶ms); - size_t ringbuffer_size = input_size < short_ringbuffer_size ? - input_size : (1u << ringbuffer_bits) + short_ringbuffer_size; - size_t hash_size[4] = {0}; - size_t metablock_size = - BROTLI_MIN(size_t, input_size, MaxMetablockSize(¶ms)); - size_t inputblock_size = - BROTLI_MIN(size_t, input_size, (size_t)1 << params.lgblock); - size_t cmdbuf_size = metablock_size * 2 + inputblock_size * 6; - size_t outbuf_size = metablock_size * 2 + 503; - size_t histogram_size = 0; - HasherSize(¶ms, BROTLI_TRUE, input_size, hash_size); - if (params.quality < MIN_QUALITY_FOR_BLOCK_SPLIT) { - cmdbuf_size = BROTLI_MIN(size_t, cmdbuf_size, - MAX_NUM_DELAYED_SYMBOLS * sizeof(Command) + inputblock_size * 12); - } - if (params.quality >= MIN_QUALITY_FOR_HQ_BLOCK_SPLITTING) { - /* Only a very rough estimation, based on enwik8. */ - histogram_size = 200 << 20; - } else if (params.quality >= MIN_QUALITY_FOR_BLOCK_SPLIT) { - size_t literal_histograms = - BROTLI_MIN(size_t, metablock_size / 6144, 256); - size_t command_histograms = - BROTLI_MIN(size_t, metablock_size / 6144, 256); - size_t distance_histograms = - BROTLI_MIN(size_t, metablock_size / 6144, 256); - histogram_size = literal_histograms * sizeof(HistogramLiteral) + - command_histograms * sizeof(HistogramCommand) + - distance_histograms * sizeof(HistogramDistance); - } - return (memory_manager_size + ringbuffer_size + - hash_size[0] + hash_size[1] + hash_size[2] + hash_size[3] + - cmdbuf_size + - outbuf_size + - histogram_size); - } -} -size_t BrotliEncoderGetPreparedDictionarySize( - const BrotliEncoderPreparedDictionary* prepared_dictionary) { - /* First field of dictionary structs */ - const BrotliEncoderPreparedDictionary* prepared = prepared_dictionary; - uint32_t magic = *((const uint32_t*)prepared); - size_t overhead = 0; - if (magic == kManagedDictionaryMagic) { - const ManagedDictionary* managed = (const ManagedDictionary*)prepared; - overhead = sizeof(ManagedDictionary); - magic = *managed->dictionary; - prepared = (const BrotliEncoderPreparedDictionary*)managed->dictionary; - } - - if (magic == kPreparedDictionaryMagic) { - const PreparedDictionary* dictionary = - (const PreparedDictionary*)prepared; - /* Keep in sync with step 3 of CreatePreparedDictionary */ - return sizeof(PreparedDictionary) + dictionary->source_size + - (sizeof(uint32_t) << dictionary->slot_bits) + - (sizeof(uint16_t) << dictionary->bucket_bits) + - (sizeof(uint32_t) * dictionary->num_items) + overhead; - } else if (magic == kLeanPreparedDictionaryMagic) { - const PreparedDictionary* dictionary = - (const PreparedDictionary*)prepared; - /* Keep in sync with step 3 of CreatePreparedDictionary */ - return sizeof(PreparedDictionary) + sizeof(uint8_t*) + - (sizeof(uint32_t) << dictionary->slot_bits) + - (sizeof(uint16_t) << dictionary->bucket_bits) + - (sizeof(uint32_t) * dictionary->num_items) + overhead; - } else if (magic == kSharedDictionaryMagic) { - const SharedEncoderDictionary* dictionary = - (const SharedEncoderDictionary*)prepared; - const CompoundDictionary* compound = &dictionary->compound; - const ContextualEncoderDictionary* contextual = &dictionary->contextual; - size_t result = sizeof(*dictionary); - size_t i; - size_t num_instances; - const BrotliEncoderDictionary* instances; - for (i = 0; i < compound->num_prepared_instances_; i++) { - size_t size = BrotliEncoderGetPreparedDictionarySize( - (const BrotliEncoderPreparedDictionary*) - compound->prepared_instances_[i]); - if (!size) return 0; /* error */ - result += size; - } - if (contextual->context_based) { - num_instances = contextual->num_instances_; - instances = contextual->instances_; - result += sizeof(*instances) * num_instances; - } else { - num_instances = 1; - instances = &contextual->instance_; - } - for (i = 0; i < num_instances; i++) { - const BrotliEncoderDictionary* dict = &instances[i]; - result += dict->trie.pool_capacity * sizeof(BrotliTrieNode); - if (dict->hash_table_data_words_) { - result += sizeof(kStaticDictionaryHashWords); - } - if (dict->hash_table_data_lengths_) { - result += sizeof(kStaticDictionaryHashLengths); - } - if (dict->buckets_data_) { - result += sizeof(*dict->buckets_data_) * dict->buckets_alloc_size_; - } - if (dict->dict_words_data_) { - result += sizeof(*dict->dict_words) * dict->dict_words_alloc_size_; - } - if (dict->words_instance_) { - result += sizeof(*dict->words_instance_); - /* data_size not added here: it is never allocated by the - SharedEncoderDictionary, instead it always points to the file - already loaded in memory. So if the caller wants to include - this memory as well, add the size of the loaded dictionary - file to this. */ - } - } - return result + overhead; - } - return 0; /* error */ -} - -#if defined(BROTLI_TEST) -size_t MakeUncompressedStreamForTest(const uint8_t*, size_t, uint8_t*); -size_t MakeUncompressedStreamForTest( - const uint8_t* input, size_t input_size, uint8_t* output) { - return MakeUncompressedStream(input, input_size, output); -} -#endif - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/encoder_dict.c b/src/deps/brotli/enc/encoder_dict.c deleted file mode 100644 index 6602c55a24..0000000000 --- a/src/deps/brotli/enc/encoder_dict.c +++ /dev/null @@ -1,640 +0,0 @@ -/* Copyright 2017 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -#include "encoder_dict.h" - -#include /* malloc, free */ - -#include "../common/dictionary.h" -#include "../common/platform.h" -#include "../common/shared_dictionary_internal.h" -#include "../common/transform.h" -#include "compound_dictionary.h" -#include "dictionary_hash.h" -#include "memory.h" -#include "quality.h" -#include "hash.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define NUM_HASH_BITS 15u -#define NUM_HASH_BUCKETS (1u << NUM_HASH_BITS) - -static void BrotliTrieInit(BrotliTrie* trie) { - trie->pool_capacity = 0; - trie->pool_size = 0; - trie->pool = 0; - - /* Set up the root node */ - trie->root.single = 0; - trie->root.len_ = 0; - trie->root.idx_ = 0; - trie->root.sub = 0; -} - -static void BrotliTrieFree(MemoryManager* m, BrotliTrie* trie) { - BrotliFree(m, trie->pool); -} - -/* Initializes to RFC 7932 static dictionary / transforms. */ -static void InitEncoderDictionary(BrotliEncoderDictionary* dict) { - dict->words = BrotliGetDictionary(); - dict->num_transforms = (uint32_t)BrotliGetTransforms()->num_transforms; - - dict->hash_table_words = kStaticDictionaryHashWords; - dict->hash_table_lengths = kStaticDictionaryHashLengths; - dict->buckets = kStaticDictionaryBuckets; - dict->dict_words = kStaticDictionaryWords; - - dict->cutoffTransformsCount = kCutoffTransformsCount; - dict->cutoffTransforms = kCutoffTransforms; - - dict->parent = 0; - - dict->hash_table_data_words_ = 0; - dict->hash_table_data_lengths_ = 0; - dict->buckets_alloc_size_ = 0; - dict->buckets_data_ = 0; - dict->dict_words_alloc_size_ = 0; - dict->dict_words_data_ = 0; - dict->words_instance_ = 0; - dict->has_words_heavy = BROTLI_FALSE; - BrotliTrieInit(&dict->trie); -} - -static void BrotliDestroyEncoderDictionary(MemoryManager* m, - BrotliEncoderDictionary* dict) { - BrotliFree(m, dict->hash_table_data_words_); - BrotliFree(m, dict->hash_table_data_lengths_); - BrotliFree(m, dict->buckets_data_); - BrotliFree(m, dict->dict_words_data_); - BrotliFree(m, dict->words_instance_); - BrotliTrieFree(m, &dict->trie); -} - -#if defined(BROTLI_EXPERIMENTAL) -/* Word length must be at least 4 bytes */ -static uint32_t Hash(const uint8_t* data, int bits) { - uint32_t h = BROTLI_UNALIGNED_LOAD32LE(data) * kHashMul32; - /* The higher bits contain more mixture from the multiplication, - so we take our results from there. */ - return h >> (32 - bits); -} - -/* Theoretical max possible word size after transform */ -#define kTransformedBufferSize \ - (256 + 256 + SHARED_BROTLI_MAX_DICTIONARY_WORD_LENGTH) - -/* To be safe buffer must have at least kTransformedBufferSize */ -static void TransformedDictionaryWord(uint32_t word_idx, int len, int transform, - const BrotliTransforms* transforms, - const BrotliEncoderDictionary* dict, - uint8_t* buffer, size_t* size) { - const uint8_t* dict_word = &dict->words->data[ - dict->words->offsets_by_length[len] + (uint32_t)len * word_idx]; - *size = (size_t)BrotliTransformDictionaryWord(buffer, dict_word, len, - transforms, transform); -} - -static DictWord MakeDictWord(uint8_t len, uint8_t transform, uint16_t idx) { - DictWord result; - result.len = len; - result.transform = transform; - result.idx = idx; - return result; -} - -static uint32_t BrotliTrieAlloc(MemoryManager* m, size_t num, BrotliTrie* trie, - BrotliTrieNode** keep) { - uint32_t result; - uint32_t keep_index = 0; - if (keep && *keep != &trie->root) { - /* Optional node to keep, since address may change after re-allocating */ - keep_index = (uint32_t)(*keep - trie->pool); - } - if (trie->pool_size == 0) { - /* Have a dummy node in the front. We do not want the result to be 0, it - must be at least 1, 0 represents "null pointer" */ - trie->pool_size = 1; - } - BROTLI_ENSURE_CAPACITY(m, BrotliTrieNode, trie->pool, trie->pool_capacity, - trie->pool_size + num); - if (BROTLI_IS_OOM(m)) return 0; - /* Init the new nodes to empty */ - memset(trie->pool + trie->pool_size, 0, sizeof(*trie->pool) * num); - result = (uint32_t)trie->pool_size; - trie->pool_size += num; - if (keep && *keep != &trie->root) { - *keep = trie->pool + keep_index; - } - return result; -} - -/** - * len and idx: payload for last node - * word, size: the string - * index: position in the string - */ -static BROTLI_BOOL BrotliTrieNodeAdd(MemoryManager* m, uint8_t len, - uint32_t idx, const uint8_t* word, size_t size, int index, - BrotliTrieNode* node, BrotliTrie* trie) { - BrotliTrieNode* child = 0; - uint8_t c; - if ((size_t)index == size) { - if (!node->len_ || idx < node->idx_) { - node->len_ = len; - node->idx_ = idx; - } - return BROTLI_TRUE; - } - c = word[index]; - if (node->single && c != node->c) { - BrotliTrieNode old = trie->pool[node->sub]; - uint32_t new_nodes = BrotliTrieAlloc(m, 32, trie, &node); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - node->single = 0; - node->sub = new_nodes; - trie->pool[node->sub + (node->c >> 4)].sub = new_nodes + 16; - trie->pool[trie->pool[node->sub + (node->c >> 4)].sub + (node->c & 15)] = - old; - } - if (!node->sub) { - uint32_t new_node = BrotliTrieAlloc(m, 1, trie, &node); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - node->single = 1; - node->c = c; - node->sub = new_node; - } - if (node->single) { - child = &trie->pool[node->sub]; - } else { - if (!trie->pool[node->sub + (c >> 4)].sub) { - uint32_t new_nodes = BrotliTrieAlloc(m, 16, trie, &node); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - trie->pool[node->sub + (c >> 4)].sub = new_nodes; - } - child = &trie->pool[trie->pool[node->sub + (c >> 4)].sub + (c & 15)]; - } - return BrotliTrieNodeAdd(m, len, idx, word, size, index + 1, child, trie); -} - -static BROTLI_BOOL BrotliTrieAdd(MemoryManager* m, uint8_t len, uint32_t idx, - const uint8_t* word, size_t size, BrotliTrie* trie) { - return BrotliTrieNodeAdd(m, len, idx, word, size, 0, &trie->root, trie); -} - -const BrotliTrieNode* BrotliTrieSub(const BrotliTrie* trie, - const BrotliTrieNode* node, uint8_t c) { - BrotliTrieNode* temp_node; - if (node->single) { - if (node->c == c) return &trie->pool[node->sub]; - return 0; - } - if (!node->sub) return 0; - temp_node = &trie->pool[node->sub + (c >> 4)]; - if (!temp_node->sub) return 0; - return &trie->pool[temp_node->sub + (c & 15)]; -} - -static const BrotliTrieNode* BrotliTrieFind(const BrotliTrie* trie, - const uint8_t* word, size_t size) { - const BrotliTrieNode* node = &trie->root; - size_t i; - for (i = 0; i < size; i++) { - node = BrotliTrieSub(trie, node, word[i]); - if (!node) return 0; - } - return node; -} - -static BROTLI_BOOL BuildDictionaryLut(MemoryManager* m, - const BrotliTransforms* transforms, - BrotliEncoderDictionary* dict) { - uint32_t i; - DictWord* dict_words; - uint16_t* buckets; - DictWord** words_by_hash; - size_t* words_by_hash_size; - size_t* words_by_hash_capacity; - BrotliTrie dedup; - uint8_t word[kTransformedBufferSize]; - size_t word_size; - size_t total = 0; - uint8_t l; - uint16_t idx; - - BrotliTrieInit(&dedup); - - words_by_hash = (DictWord**)BrotliAllocate(m, - sizeof(*words_by_hash) * NUM_HASH_BUCKETS); - words_by_hash_size = (size_t*)BrotliAllocate(m, - sizeof(*words_by_hash_size) * NUM_HASH_BUCKETS); - words_by_hash_capacity = (size_t*)BrotliAllocate(m, - sizeof(*words_by_hash_capacity) * NUM_HASH_BUCKETS); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - memset(words_by_hash, 0, sizeof(*words_by_hash) * NUM_HASH_BUCKETS); - memset(words_by_hash_size, 0, sizeof(*words_by_hash_size) * NUM_HASH_BUCKETS); - memset(words_by_hash_capacity, 0, - sizeof(*words_by_hash_capacity) * NUM_HASH_BUCKETS); - - if (transforms->num_transforms > 0) { - for (l = SHARED_BROTLI_MIN_DICTIONARY_WORD_LENGTH; - l <= SHARED_BROTLI_MAX_DICTIONARY_WORD_LENGTH; ++l) { - uint16_t n = dict->words->size_bits_by_length[l] ? - (uint16_t)(1 << dict->words->size_bits_by_length[l]) : 0u; - for (idx = 0; idx < n; ++idx) { - uint32_t key; - /* First transform (usually identity) */ - TransformedDictionaryWord(idx, l, 0, transforms, dict, word, - &word_size); - /* Cannot hash words smaller than 4 bytes */ - if (word_size < 4) { - /* Break instead of continue, all next words of this length will have - same length after transform */ - break; - } - if (!BrotliTrieAdd(m, 0, idx, word, word_size, &dedup)) { - return BROTLI_FALSE; - } - key = Hash(word, NUM_HASH_BITS); - BROTLI_ENSURE_CAPACITY_APPEND(m, DictWord, words_by_hash[key], - words_by_hash_capacity[key], words_by_hash_size[key], - MakeDictWord(l, 0, idx)); - ++total; - } - } - } - - /* These LUT transforms only supported if no custom transforms. This is - ok, we will use the heavy trie instead. */ - if (transforms == BrotliGetTransforms()) { - for (l = SHARED_BROTLI_MIN_DICTIONARY_WORD_LENGTH; - l <= SHARED_BROTLI_MAX_DICTIONARY_WORD_LENGTH; ++l) { - uint16_t n = dict->words->size_bits_by_length[l] ? - (uint16_t)(1 << dict->words->size_bits_by_length[l]) : 0u; - for (idx = 0; idx < n; ++idx) { - int k; - BROTLI_BOOL is_ascii = BROTLI_TRUE; - size_t offset = dict->words->offsets_by_length[l] + (size_t)l * idx; - const uint8_t* data = &dict->words->data[offset]; - for (k = 0; k < l; ++k) { - if (data[k] >= 128) is_ascii = BROTLI_FALSE; - } - if (data[0] < 128) { - int transform = 9; /* {empty, uppercase first, empty} */ - uint32_t ix = idx + (uint32_t)transform * n; - const BrotliTrieNode* it; - TransformedDictionaryWord(idx, l, transform, transforms, - dict, word, &word_size); - it = BrotliTrieFind(&dedup, word, word_size); - if (!it || it->idx_ > ix) { - uint32_t key = Hash(word, NUM_HASH_BITS); - if (!BrotliTrieAdd(m, 0, ix, word, word_size, &dedup)) { - return BROTLI_FALSE; - } - BROTLI_ENSURE_CAPACITY_APPEND(m, DictWord, words_by_hash[key], - words_by_hash_capacity[key], words_by_hash_size[key], - MakeDictWord(l, BROTLI_TRANSFORM_UPPERCASE_FIRST, idx)); - ++total; - } - } - if (is_ascii) { - int transform = 44; /* {empty, uppercase all, empty} */ - uint32_t ix = idx + (uint32_t)transform * n; - const BrotliTrieNode* it; - TransformedDictionaryWord(idx, l, transform, transforms, - dict, word, &word_size); - it = BrotliTrieFind(&dedup, word, word_size); - if (!it || it->idx_ > ix) { - uint32_t key = Hash(word, NUM_HASH_BITS); - if (!BrotliTrieAdd(m, 0, ix, word, word_size, &dedup)) { - return BROTLI_FALSE; - } - BROTLI_ENSURE_CAPACITY_APPEND(m, DictWord, words_by_hash[key], - words_by_hash_capacity[key], words_by_hash_size[key], - MakeDictWord(l, BROTLI_TRANSFORM_UPPERCASE_ALL, idx)); - ++total; - } - } - } - } - } - - dict_words = (DictWord*)BrotliAllocate(m, - sizeof(*dict->dict_words) * (total + 1)); - buckets = (uint16_t*)BrotliAllocate(m, - sizeof(*dict->buckets) * NUM_HASH_BUCKETS); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - dict->dict_words_alloc_size_ = total + 1; - dict->dict_words = dict->dict_words_data_ = dict_words; - dict->buckets_alloc_size_ = NUM_HASH_BUCKETS; - dict->buckets = dict->buckets_data_ = buckets; - - /* Unused; makes offsets start from 1. */ - dict_words[0] = MakeDictWord(0, 0, 0); - total = 1; - for (i = 0; i < NUM_HASH_BUCKETS; ++i) { - size_t num_words = words_by_hash_size[i]; - if (num_words > 0) { - buckets[i] = (uint16_t)(total); - memcpy(&dict_words[total], &words_by_hash[i][0], - sizeof(dict_words[0]) * num_words); - total += num_words; - dict_words[total - 1].len |= 0x80; - } else { - buckets[i] = 0; - } - } - - for (i = 0; i < NUM_HASH_BUCKETS; ++i) { - BrotliFree(m, words_by_hash[i]); - } - BrotliFree(m, words_by_hash); - BrotliFree(m, words_by_hash_size); - BrotliFree(m, words_by_hash_capacity); - BrotliTrieFree(m, &dedup); - - return BROTLI_TRUE; -} - -static void BuildDictionaryHashTable(uint16_t* hash_table_words, - uint8_t* hash_table_lengths, const BrotliDictionary* dict) { - int j, len; - /* The order of the loops is such that in case of collision, words with - shorter length are preferred, and in case of same length, words with - smaller index. There is only a single word per bucket. */ - /* TODO(lode): consider adding optional user-supplied frequency_map to use - for preferred words instead, this can make the encoder better for - quality 9 and below without affecting the decoder */ - memset(hash_table_words, 0, sizeof(kStaticDictionaryHashWords)); - memset(hash_table_lengths, 0, sizeof(kStaticDictionaryHashLengths)); - for (len = SHARED_BROTLI_MAX_DICTIONARY_WORD_LENGTH; - len >= SHARED_BROTLI_MIN_DICTIONARY_WORD_LENGTH; --len) { - const size_t num_words = dict->size_bits_by_length[len] ? - (1u << dict->size_bits_by_length[len]) : 0; - for (j = (int)num_words - 1; j >= 0; --j) { - size_t offset = dict->offsets_by_length[len] + - (size_t)len * (size_t)j; - const uint8_t* word = &dict->data[offset]; - const uint32_t key = Hash(word, 14); - int idx = (int)(key << 1) + (len < 8 ? 1 : 0); - BROTLI_DCHECK(idx < (int)NUM_HASH_BUCKETS); - hash_table_words[idx] = (uint16_t)j; - hash_table_lengths[idx] = (uint8_t)len; - } - } -} - -static BROTLI_BOOL GenerateWordsHeavy(MemoryManager* m, - const BrotliTransforms* transforms, - BrotliEncoderDictionary* dict) { - int i, j, l; - for (j = (int)transforms->num_transforms - 1; j >= 0 ; --j) { - for (l = 0; l < 32; l++) { - int num = (int)((1u << dict->words->size_bits_by_length[l]) & ~1u); - for (i = 0; i < num; i++) { - uint8_t transformed[kTransformedBufferSize]; - size_t size; - TransformedDictionaryWord( - (uint32_t)i, l, j, transforms, dict, transformed, &size); - if (size < 4) continue; - if (!BrotliTrieAdd(m, (uint8_t)l, (uint32_t)(i + num * j), - transformed, size, &dict->trie)) { - return BROTLI_FALSE; - } - } - } - } - return BROTLI_TRUE; -} - -/* Computes cutoffTransformsCount (in count) and cutoffTransforms (in data) for - the custom transforms, where possible within the limits of the - cutoffTransforms encoding. The fast encoder uses this to do fast lookup for - transforms that remove the N last characters (OmitLast). */ -static void ComputeCutoffTransforms( - const BrotliTransforms* transforms, - uint32_t* count, uint64_t* data) { - int i; - /* The encoding in a 64-bit integer of transform N in the data is: (N << 2) + - ((cutoffTransforms >> (N * 6)) & 0x3F), so for example the identity - transform code must be 0-63, for N=1 the transform code must be 4-67, ..., - for N=9 it must be 36-99. - TODO(lode): consider a simple flexible uint8_t[10] instead of the uint64_t - for the cutoff transforms, so that shared dictionaries can have the - OmitLast transforms anywhere without loss. */ - *count = 0; - *data = 0; - for (i = 0; i < BROTLI_TRANSFORMS_MAX_CUT_OFF + 1; i++) { - int idx = transforms->cutOffTransforms[i]; - if (idx == -1) break; /* Not found */ - if (idx < (i << 2)) break; /* Too small for the encoding */ - if (idx >= (i << 2) + 64) break; /* Too large for the encoding */ - (*count)++; - *data |= (uint64_t)(((uint64_t)idx - - ((uint64_t)i << 2u)) << ((uint64_t)i * 6u)); - } -} - -static BROTLI_BOOL ComputeDictionary(MemoryManager* m, int quality, - const BrotliTransforms* transforms, - BrotliEncoderDictionary* current) { - int default_words = current->words == BrotliGetDictionary(); - int default_transforms = transforms == BrotliGetTransforms(); - - if (default_words && default_transforms) { - /* hashes are already set to Brotli defaults */ - return BROTLI_TRUE; - } - - current->hash_table_data_words_ = (uint16_t*)BrotliAllocate( - m, sizeof(kStaticDictionaryHashWords)); - current->hash_table_data_lengths_ = (uint8_t*)BrotliAllocate( - m, sizeof(kStaticDictionaryHashLengths)); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - current->hash_table_words = current->hash_table_data_words_; - current->hash_table_lengths = current->hash_table_data_lengths_; - - BuildDictionaryHashTable(current->hash_table_data_words_, - current->hash_table_data_lengths_, current->words); - - ComputeCutoffTransforms(transforms, - ¤t->cutoffTransformsCount, ¤t->cutoffTransforms); - - /* Only compute the data for slow encoder if the requested quality is high - enough to need it */ - if (quality >= ZOPFLIFICATION_QUALITY) { - if (!BuildDictionaryLut(m, transforms, current)) return BROTLI_FALSE; - - /* For the built-in Brotli transforms, there is a hard-coded function to - handle all transforms, but for custom transforms, we use the following - large hammer instead */ - current->has_words_heavy = !default_transforms; - if (current->has_words_heavy) { - if (!GenerateWordsHeavy(m, transforms, current)) return BROTLI_FALSE; - } - } - - return BROTLI_TRUE; -} -#endif /* BROTLI_EXPERIMENTAL */ - -void BrotliInitSharedEncoderDictionary(SharedEncoderDictionary* dict) { - dict->magic = kSharedDictionaryMagic; - - dict->compound.num_chunks = 0; - dict->compound.total_size = 0; - dict->compound.chunk_offsets[0] = 0; - dict->compound.num_prepared_instances_ = 0; - - dict->contextual.context_based = 0; - dict->contextual.num_dictionaries = 1; - dict->contextual.instances_ = 0; - dict->contextual.num_instances_ = 1; /* The instance_ field */ - dict->contextual.dict[0] = &dict->contextual.instance_; - InitEncoderDictionary(&dict->contextual.instance_); - dict->contextual.instance_.parent = &dict->contextual; - - dict->max_quality = BROTLI_MAX_QUALITY; -} - -#if defined(BROTLI_EXPERIMENTAL) -/* TODO(eustas): make sure that tooling will warn user if not all the cutoff - transforms are available (for low-quality encoder). */ -static BROTLI_BOOL InitCustomSharedEncoderDictionary( - MemoryManager* m, const BrotliSharedDictionary* decoded_dict, - int quality, SharedEncoderDictionary* dict) { - ContextualEncoderDictionary* contextual; - CompoundDictionary* compound; - BrotliEncoderDictionary* instances; - int i; - BrotliInitSharedEncoderDictionary(dict); - - contextual = &dict->contextual; - compound = &dict->compound; - - for (i = 0; i < (int)decoded_dict->num_prefix; i++) { - PreparedDictionary* prepared = CreatePreparedDictionary(m, - decoded_dict->prefix[i], decoded_dict->prefix_size[i]); - AttachPreparedDictionary(compound, prepared); - /* remember for cleanup */ - compound->prepared_instances_[ - compound->num_prepared_instances_++] = prepared; - } - - dict->max_quality = quality; - contextual->context_based = decoded_dict->context_based; - if (decoded_dict->context_based) { - memcpy(contextual->context_map, decoded_dict->context_map, - SHARED_BROTLI_NUM_DICTIONARY_CONTEXTS); - } - - contextual->num_dictionaries = decoded_dict->num_dictionaries; - contextual->num_instances_ = decoded_dict->num_dictionaries; - if (contextual->num_instances_ == 1) { - instances = &contextual->instance_; - } else { - contextual->instances_ = (BrotliEncoderDictionary*) - BrotliAllocate(m, sizeof(*contextual->instances_) * - contextual->num_instances_); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - instances = contextual->instances_; - } - for (i = 0; i < (int)contextual->num_instances_; i++) { - BrotliEncoderDictionary* current = &instances[i]; - InitEncoderDictionary(current); - current->parent = &dict->contextual; - if (decoded_dict->words[i] == BrotliGetDictionary()) { - current->words = BrotliGetDictionary(); - } else { - current->words_instance_ = (BrotliDictionary*)BrotliAllocate( - m, sizeof(BrotliDictionary)); - if (BROTLI_IS_OOM(m)) return BROTLI_FALSE; - *current->words_instance_ = *decoded_dict->words[i]; - current->words = current->words_instance_; - } - current->num_transforms = - (uint32_t)decoded_dict->transforms[i]->num_transforms; - if (!ComputeDictionary( - m, quality, decoded_dict->transforms[i], current)) { - return BROTLI_FALSE; - } - - contextual->dict[i] = current; - } - - return BROTLI_TRUE; /* success */ -} - -BROTLI_BOOL BrotliInitCustomSharedEncoderDictionary( - MemoryManager* m, const uint8_t* encoded_dict, size_t size, - int quality, SharedEncoderDictionary* dict) { - BROTLI_BOOL success = BROTLI_FALSE; - BrotliSharedDictionary* decoded_dict = BrotliSharedDictionaryCreateInstance( - m->alloc_func, m->free_func, m->opaque); - if (!decoded_dict) { /* OOM */ - return BROTLI_FALSE; - } - success = BrotliSharedDictionaryAttach( - decoded_dict, BROTLI_SHARED_DICTIONARY_SERIALIZED, size, encoded_dict); - if (success) { - success = InitCustomSharedEncoderDictionary(m, - decoded_dict, quality, dict); - } - BrotliSharedDictionaryDestroyInstance(decoded_dict); - return success; -} -#endif /* BROTLI_EXPERIMENTAL */ - -void BrotliCleanupSharedEncoderDictionary(MemoryManager* m, - SharedEncoderDictionary* dict) { - size_t i; - for (i = 0; i < dict->compound.num_prepared_instances_; i++) { - DestroyPreparedDictionary(m, - (PreparedDictionary*)dict->compound.prepared_instances_[i]); - } - if (dict->contextual.num_instances_ == 1) { - BrotliDestroyEncoderDictionary(m, &dict->contextual.instance_); - } else if (dict->contextual.num_instances_ > 1) { - for (i = 0; i < dict->contextual.num_instances_; i++) { - BrotliDestroyEncoderDictionary(m, &dict->contextual.instances_[i]); - } - BrotliFree(m, dict->contextual.instances_); - } -} - -ManagedDictionary* BrotliCreateManagedDictionary( - brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque) { - ManagedDictionary* result = (ManagedDictionary*)BrotliBootstrapAlloc( - sizeof(ManagedDictionary), alloc_func, free_func, opaque); - if (result == NULL) return NULL; - - result->magic = kManagedDictionaryMagic; - BrotliInitMemoryManager( - &result->memory_manager_, alloc_func, free_func, opaque); - result->dictionary = NULL; - - return result; -} - -void BrotliDestroyManagedDictionary(ManagedDictionary* dictionary) { - if (!dictionary) return; - BrotliBootstrapFree(dictionary, &dictionary->memory_manager_); -} - -/* Escalate internal functions visibility; for testing purposes only. */ -#if defined(BROTLI_TEST) -void InitEncoderDictionaryForTest(BrotliEncoderDictionary*); -void InitEncoderDictionaryForTest(BrotliEncoderDictionary* d) { - InitEncoderDictionary(d); -} -#endif - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/encoder_dict.h b/src/deps/brotli/enc/encoder_dict.h deleted file mode 100644 index 27dcbcd2f3..0000000000 --- a/src/deps/brotli/enc/encoder_dict.h +++ /dev/null @@ -1,157 +0,0 @@ -/* Copyright 2017 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -#ifndef BROTLI_ENC_ENCODER_DICT_H_ -#define BROTLI_ENC_ENCODER_DICT_H_ - -#include -#include - -#include "../common/dictionary.h" -#include "../common/platform.h" -#include "compound_dictionary.h" -#include "memory.h" -#include "static_dict_lut.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/* -Dictionary hierarchy for Encoder: --SharedEncoderDictionary ---CompoundDictionary ----PreparedDictionary [up to 15x] - = prefix dictionary with precomputed hashes ---ContextualEncoderDictionary ----BrotliEncoderDictionary [up to 64x] - = for each context, precomputed static dictionary with words + transforms - -Dictionary hiearchy from common: similar, but without precomputed hashes --BrotliSharedDictionary ---BrotliDictionary [up to 64x] ---BrotliTransforms [up to 64x] ---const uint8_t* prefix [up to 15x]: compound dictionaries -*/ - -typedef struct BrotliTrieNode { - uint8_t single; /* if 1, sub is a single node for c instead of 256 */ - uint8_t c; - uint8_t len_; /* untransformed length */ - uint32_t idx_; /* word index + num words * transform index */ - uint32_t sub; /* index of sub node(s) in the pool */ -} BrotliTrieNode; - -typedef struct BrotliTrie { - BrotliTrieNode* pool; - size_t pool_capacity; - size_t pool_size; - BrotliTrieNode root; -} BrotliTrie; - -#if defined(BROTLI_EXPERIMENTAL) -BROTLI_INTERNAL const BrotliTrieNode* BrotliTrieSub(const BrotliTrie* trie, - const BrotliTrieNode* node, uint8_t c); -#endif /* BROTLI_EXPERIMENTAL */ - -/* Dictionary data (words and transforms) for 1 possible context */ -typedef struct BrotliEncoderDictionary { - const BrotliDictionary* words; - uint32_t num_transforms; - - /* cut off for fast encoder */ - uint32_t cutoffTransformsCount; - uint64_t cutoffTransforms; - - /* from dictionary_hash.h, for fast encoder */ - const uint16_t* hash_table_words; - const uint8_t* hash_table_lengths; - - /* from static_dict_lut.h, for slow encoder */ - const uint16_t* buckets; - const DictWord* dict_words; - /* Heavy version, for use by slow encoder when there are custom transforms. - Contains every possible transformed dictionary word in a trie. It encodes - about as fast as the non-heavy encoder but consumes a lot of memory and - takes time to build. */ - BrotliTrie trie; - BROTLI_BOOL has_words_heavy; - - /* Reference to other dictionaries. */ - const struct ContextualEncoderDictionary* parent; - - /* Allocated memory, used only when not using the Brotli defaults */ - uint16_t* hash_table_data_words_; - uint8_t* hash_table_data_lengths_; - size_t buckets_alloc_size_; - uint16_t* buckets_data_; - size_t dict_words_alloc_size_; - DictWord* dict_words_data_; - BrotliDictionary* words_instance_; -} BrotliEncoderDictionary; - -/* Dictionary data for all 64 contexts */ -typedef struct ContextualEncoderDictionary { - BROTLI_BOOL context_based; - uint8_t num_dictionaries; - uint8_t context_map[SHARED_BROTLI_NUM_DICTIONARY_CONTEXTS]; - const BrotliEncoderDictionary* dict[SHARED_BROTLI_NUM_DICTIONARY_CONTEXTS]; - - /* If num_instances_ is 1, instance_ is used, else dynamic allocation with - instances_ is used. */ - size_t num_instances_; - BrotliEncoderDictionary instance_; - BrotliEncoderDictionary* instances_; -} ContextualEncoderDictionary; - -typedef struct SharedEncoderDictionary { - /* Magic value to distinguish this struct from PreparedDictionary for - certain external usages. */ - uint32_t magic; - - /* LZ77 prefix, compound dictionary */ - CompoundDictionary compound; - - /* Custom static dictionary (optionally context-based) */ - ContextualEncoderDictionary contextual; - - /* The maximum quality the dictionary was computed for */ - int max_quality; -} SharedEncoderDictionary; - -typedef struct ManagedDictionary { - uint32_t magic; - MemoryManager memory_manager_; - uint32_t* dictionary; -} ManagedDictionary; - -/* Initializes to the brotli built-in dictionary */ -BROTLI_INTERNAL void BrotliInitSharedEncoderDictionary( - SharedEncoderDictionary* dict); - -#if defined(BROTLI_EXPERIMENTAL) -/* Initializes to shared dictionary that will be parsed from - encoded_dict. Requires that you keep the encoded_dict buffer - around, parts of data will point to it. */ -BROTLI_INTERNAL BROTLI_BOOL BrotliInitCustomSharedEncoderDictionary( - MemoryManager* m, const uint8_t* encoded_dict, size_t size, - int quality, SharedEncoderDictionary* dict); -#endif /* BROTLI_EXPERIMENTAL */ - -BROTLI_INTERNAL void BrotliCleanupSharedEncoderDictionary( - MemoryManager* m, SharedEncoderDictionary* dict); - -BROTLI_INTERNAL ManagedDictionary* BrotliCreateManagedDictionary( - brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque); - -BROTLI_INTERNAL void BrotliDestroyManagedDictionary( - ManagedDictionary* dictionary); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_ENCODER_DICT_H_ */ diff --git a/src/deps/brotli/enc/entropy_encode.c b/src/deps/brotli/enc/entropy_encode.c deleted file mode 100644 index 9aed43b6eb..0000000000 --- a/src/deps/brotli/enc/entropy_encode.c +++ /dev/null @@ -1,504 +0,0 @@ -/* Copyright 2010 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Entropy encoding (Huffman) utilities. */ - -#include "entropy_encode.h" - -#include /* memset */ - -#include - -#include "../common/constants.h" -#include "../common/platform.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -const size_t kBrotliShellGaps[] = {132, 57, 23, 10, 4, 1}; - -BROTLI_BOOL BrotliSetDepth( - int p0, HuffmanTree* pool, uint8_t* depth, int max_depth) { - int stack[16]; - int level = 0; - int p = p0; - BROTLI_DCHECK(max_depth <= 15); - stack[0] = -1; - while (BROTLI_TRUE) { - if (pool[p].index_left_ >= 0) { - level++; - if (level > max_depth) return BROTLI_FALSE; - stack[level] = pool[p].index_right_or_value_; - p = pool[p].index_left_; - continue; - } else { - depth[pool[p].index_right_or_value_] = (uint8_t)level; - } - while (level >= 0 && stack[level] == -1) level--; - if (level < 0) return BROTLI_TRUE; - p = stack[level]; - stack[level] = -1; - } -} - -/* Sort the root nodes, least popular first. */ -static BROTLI_INLINE BROTLI_BOOL SortHuffmanTree( - const HuffmanTree* v0, const HuffmanTree* v1) { - if (v0->total_count_ != v1->total_count_) { - return TO_BROTLI_BOOL(v0->total_count_ < v1->total_count_); - } - return TO_BROTLI_BOOL(v0->index_right_or_value_ > v1->index_right_or_value_); -} - -/* This function will create a Huffman tree. - - The catch here is that the tree cannot be arbitrarily deep. - Brotli specifies a maximum depth of 15 bits for "code trees" - and 7 bits for "code length code trees." - - count_limit is the value that is to be faked as the minimum value - and this minimum value is raised until the tree matches the - maximum length requirement. - - This algorithm is not of excellent performance for very long data blocks, - especially when population counts are longer than 2**tree_limit, but - we are not planning to use this with extremely long blocks. - - See http://en.wikipedia.org/wiki/Huffman_coding */ -void BrotliCreateHuffmanTree(const uint32_t* data, - const size_t length, - const int tree_limit, - HuffmanTree* tree, - uint8_t* depth) { - uint32_t count_limit; - HuffmanTree sentinel; - InitHuffmanTree(&sentinel, BROTLI_UINT32_MAX, -1, -1); - /* For block sizes below 64 kB, we never need to do a second iteration - of this loop. Probably all of our block sizes will be smaller than - that, so this loop is mostly of academic interest. If we actually - would need this, we would be better off with the Katajainen algorithm. */ - for (count_limit = 1; ; count_limit *= 2) { - size_t n = 0; - size_t i; - size_t j; - size_t k; - for (i = length; i != 0;) { - --i; - if (data[i]) { - const uint32_t count = BROTLI_MAX(uint32_t, data[i], count_limit); - InitHuffmanTree(&tree[n++], count, -1, (int16_t)i); - } - } - - if (n == 1) { - depth[tree[0].index_right_or_value_] = 1; /* Only one element. */ - break; - } - - SortHuffmanTreeItems(tree, n, SortHuffmanTree); - - /* The nodes are: - [0, n): the sorted leaf nodes that we start with. - [n]: we add a sentinel here. - [n + 1, 2n): new parent nodes are added here, starting from - (n+1). These are naturally in ascending order. - [2n]: we add a sentinel at the end as well. - There will be (2n+1) elements at the end. */ - tree[n] = sentinel; - tree[n + 1] = sentinel; - - i = 0; /* Points to the next leaf node. */ - j = n + 1; /* Points to the next non-leaf node. */ - for (k = n - 1; k != 0; --k) { - size_t left, right; - if (tree[i].total_count_ <= tree[j].total_count_) { - left = i; - ++i; - } else { - left = j; - ++j; - } - if (tree[i].total_count_ <= tree[j].total_count_) { - right = i; - ++i; - } else { - right = j; - ++j; - } - - { - /* The sentinel node becomes the parent node. */ - size_t j_end = 2 * n - k; - tree[j_end].total_count_ = - tree[left].total_count_ + tree[right].total_count_; - tree[j_end].index_left_ = (int16_t)left; - tree[j_end].index_right_or_value_ = (int16_t)right; - - /* Add back the last sentinel node. */ - tree[j_end + 1] = sentinel; - } - } - if (BrotliSetDepth((int)(2 * n - 1), &tree[0], depth, tree_limit)) { - /* We need to pack the Huffman tree in tree_limit bits. If this was not - successful, add fake entities to the lowest values and retry. */ - break; - } - } -} - -static void Reverse(uint8_t* v, size_t start, size_t end) { - --end; - while (start < end) { - uint8_t tmp = v[start]; - v[start] = v[end]; - v[end] = tmp; - ++start; - --end; - } -} - -static void BrotliWriteHuffmanTreeRepetitions( - const uint8_t previous_value, - const uint8_t value, - size_t repetitions, - size_t* tree_size, - uint8_t* tree, - uint8_t* extra_bits_data) { - BROTLI_DCHECK(repetitions > 0); - if (previous_value != value) { - tree[*tree_size] = value; - extra_bits_data[*tree_size] = 0; - ++(*tree_size); - --repetitions; - } - if (repetitions == 7) { - tree[*tree_size] = value; - extra_bits_data[*tree_size] = 0; - ++(*tree_size); - --repetitions; - } - if (repetitions < 3) { - size_t i; - for (i = 0; i < repetitions; ++i) { - tree[*tree_size] = value; - extra_bits_data[*tree_size] = 0; - ++(*tree_size); - } - } else { - size_t start = *tree_size; - repetitions -= 3; - while (BROTLI_TRUE) { - tree[*tree_size] = BROTLI_REPEAT_PREVIOUS_CODE_LENGTH; - extra_bits_data[*tree_size] = repetitions & 0x3; - ++(*tree_size); - repetitions >>= 2; - if (repetitions == 0) { - break; - } - --repetitions; - } - Reverse(tree, start, *tree_size); - Reverse(extra_bits_data, start, *tree_size); - } -} - -static void BrotliWriteHuffmanTreeRepetitionsZeros( - size_t repetitions, - size_t* tree_size, - uint8_t* tree, - uint8_t* extra_bits_data) { - if (repetitions == 11) { - tree[*tree_size] = 0; - extra_bits_data[*tree_size] = 0; - ++(*tree_size); - --repetitions; - } - if (repetitions < 3) { - size_t i; - for (i = 0; i < repetitions; ++i) { - tree[*tree_size] = 0; - extra_bits_data[*tree_size] = 0; - ++(*tree_size); - } - } else { - size_t start = *tree_size; - repetitions -= 3; - while (BROTLI_TRUE) { - tree[*tree_size] = BROTLI_REPEAT_ZERO_CODE_LENGTH; - extra_bits_data[*tree_size] = repetitions & 0x7; - ++(*tree_size); - repetitions >>= 3; - if (repetitions == 0) { - break; - } - --repetitions; - } - Reverse(tree, start, *tree_size); - Reverse(extra_bits_data, start, *tree_size); - } -} - -void BrotliOptimizeHuffmanCountsForRle(size_t length, uint32_t* counts, - uint8_t* good_for_rle) { - size_t nonzero_count = 0; - size_t stride; - size_t limit; - size_t sum; - const size_t streak_limit = 1240; - /* Let's make the Huffman code more compatible with RLE encoding. */ - size_t i; - for (i = 0; i < length; i++) { - if (counts[i]) { - ++nonzero_count; - } - } - if (nonzero_count < 16) { - return; - } - while (length != 0 && counts[length - 1] == 0) { - --length; - } - if (length == 0) { - return; /* All zeros. */ - } - /* Now counts[0..length - 1] does not have trailing zeros. */ - { - size_t nonzeros = 0; - uint32_t smallest_nonzero = 1 << 30; - for (i = 0; i < length; ++i) { - if (counts[i] != 0) { - ++nonzeros; - if (smallest_nonzero > counts[i]) { - smallest_nonzero = counts[i]; - } - } - } - if (nonzeros < 5) { - /* Small histogram will model it well. */ - return; - } - if (smallest_nonzero < 4) { - size_t zeros = length - nonzeros; - if (zeros < 6) { - for (i = 1; i < length - 1; ++i) { - if (counts[i - 1] != 0 && counts[i] == 0 && counts[i + 1] != 0) { - counts[i] = 1; - } - } - } - } - if (nonzeros < 28) { - return; - } - } - /* 2) Let's mark all population counts that already can be encoded - with an RLE code. */ - memset(good_for_rle, 0, length); - { - /* Let's not spoil any of the existing good RLE codes. - Mark any seq of 0's that is longer as 5 as a good_for_rle. - Mark any seq of non-0's that is longer as 7 as a good_for_rle. */ - uint32_t symbol = counts[0]; - size_t step = 0; - for (i = 0; i <= length; ++i) { - if (i == length || counts[i] != symbol) { - if ((symbol == 0 && step >= 5) || - (symbol != 0 && step >= 7)) { - size_t k; - for (k = 0; k < step; ++k) { - good_for_rle[i - k - 1] = 1; - } - } - step = 1; - if (i != length) { - symbol = counts[i]; - } - } else { - ++step; - } - } - } - /* 3) Let's replace those population counts that lead to more RLE codes. - Math here is in 24.8 fixed point representation. */ - stride = 0; - limit = 256 * (counts[0] + counts[1] + counts[2]) / 3 + 420; - sum = 0; - for (i = 0; i <= length; ++i) { - if (i == length || good_for_rle[i] || - (i != 0 && good_for_rle[i - 1]) || - (256 * counts[i] - limit + streak_limit) >= 2 * streak_limit) { - if (stride >= 4 || (stride >= 3 && sum == 0)) { - size_t k; - /* The stride must end, collapse what we have, if we have enough (4). */ - size_t count = (sum + stride / 2) / stride; - if (count == 0) { - count = 1; - } - if (sum == 0) { - /* Don't make an all zeros stride to be upgraded to ones. */ - count = 0; - } - for (k = 0; k < stride; ++k) { - /* We don't want to change value at counts[i], - that is already belonging to the next stride. Thus - 1. */ - counts[i - k - 1] = (uint32_t)count; - } - } - stride = 0; - sum = 0; - if (i < length - 2) { - /* All interesting strides have a count of at least 4, */ - /* at least when non-zeros. */ - limit = 256 * (counts[i] + counts[i + 1] + counts[i + 2]) / 3 + 420; - } else if (i < length) { - limit = 256 * counts[i]; - } else { - limit = 0; - } - } - ++stride; - if (i != length) { - sum += counts[i]; - if (stride >= 4) { - limit = (256 * sum + stride / 2) / stride; - } - if (stride == 4) { - limit += 120; - } - } - } -} - -static void DecideOverRleUse(const uint8_t* depth, const size_t length, - BROTLI_BOOL* use_rle_for_non_zero, - BROTLI_BOOL* use_rle_for_zero) { - size_t total_reps_zero = 0; - size_t total_reps_non_zero = 0; - size_t count_reps_zero = 1; - size_t count_reps_non_zero = 1; - size_t i; - for (i = 0; i < length;) { - const uint8_t value = depth[i]; - size_t reps = 1; - size_t k; - for (k = i + 1; k < length && depth[k] == value; ++k) { - ++reps; - } - if (reps >= 3 && value == 0) { - total_reps_zero += reps; - ++count_reps_zero; - } - if (reps >= 4 && value != 0) { - total_reps_non_zero += reps; - ++count_reps_non_zero; - } - i += reps; - } - *use_rle_for_non_zero = - TO_BROTLI_BOOL(total_reps_non_zero > count_reps_non_zero * 2); - *use_rle_for_zero = TO_BROTLI_BOOL(total_reps_zero > count_reps_zero * 2); -} - -void BrotliWriteHuffmanTree(const uint8_t* depth, - size_t length, - size_t* tree_size, - uint8_t* tree, - uint8_t* extra_bits_data) { - uint8_t previous_value = BROTLI_INITIAL_REPEATED_CODE_LENGTH; - size_t i; - BROTLI_BOOL use_rle_for_non_zero = BROTLI_FALSE; - BROTLI_BOOL use_rle_for_zero = BROTLI_FALSE; - - /* Throw away trailing zeros. */ - size_t new_length = length; - for (i = 0; i < length; ++i) { - if (depth[length - i - 1] == 0) { - --new_length; - } else { - break; - } - } - - /* First gather statistics on if it is a good idea to do RLE. */ - if (length > 50) { - /* Find RLE coding for longer codes. - Shorter codes seem not to benefit from RLE. */ - DecideOverRleUse(depth, new_length, - &use_rle_for_non_zero, &use_rle_for_zero); - } - - /* Actual RLE coding. */ - for (i = 0; i < new_length;) { - const uint8_t value = depth[i]; - size_t reps = 1; - if ((value != 0 && use_rle_for_non_zero) || - (value == 0 && use_rle_for_zero)) { - size_t k; - for (k = i + 1; k < new_length && depth[k] == value; ++k) { - ++reps; - } - } - if (value == 0) { - BrotliWriteHuffmanTreeRepetitionsZeros( - reps, tree_size, tree, extra_bits_data); - } else { - BrotliWriteHuffmanTreeRepetitions(previous_value, - value, reps, tree_size, - tree, extra_bits_data); - previous_value = value; - } - i += reps; - } -} - -static uint16_t BrotliReverseBits(size_t num_bits, uint16_t bits) { - static const size_t kLut[16] = { /* Pre-reversed 4-bit values. */ - 0x00, 0x08, 0x04, 0x0C, 0x02, 0x0A, 0x06, 0x0E, - 0x01, 0x09, 0x05, 0x0D, 0x03, 0x0B, 0x07, 0x0F - }; - size_t retval = kLut[bits & 0x0F]; - size_t i; - for (i = 4; i < num_bits; i += 4) { - retval <<= 4; - bits = (uint16_t)(bits >> 4); - retval |= kLut[bits & 0x0F]; - } - retval >>= ((0 - num_bits) & 0x03); - return (uint16_t)retval; -} - -/* 0..15 are values for bits */ -#define MAX_HUFFMAN_BITS 16 - -void BrotliConvertBitDepthsToSymbols(const uint8_t* depth, - size_t len, - uint16_t* bits) { - /* In Brotli, all bit depths are [1..15] - 0 bit depth means that the symbol does not exist. */ - uint16_t bl_count[MAX_HUFFMAN_BITS] = { 0 }; - uint16_t next_code[MAX_HUFFMAN_BITS]; - size_t i; - int code = 0; - for (i = 0; i < len; ++i) { - ++bl_count[depth[i]]; - } - bl_count[0] = 0; - next_code[0] = 0; - for (i = 1; i < MAX_HUFFMAN_BITS; ++i) { - code = (code + bl_count[i - 1]) << 1; - next_code[i] = (uint16_t)code; - } - for (i = 0; i < len; ++i) { - if (depth[i]) { - bits[i] = BrotliReverseBits(depth[i], next_code[depth[i]]++); - } - } -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/entropy_encode.h b/src/deps/brotli/enc/entropy_encode.h deleted file mode 100644 index e1c779cc6f..0000000000 --- a/src/deps/brotli/enc/entropy_encode.h +++ /dev/null @@ -1,123 +0,0 @@ -/* Copyright 2010 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Entropy encoding (Huffman) utilities. */ - -#ifndef BROTLI_ENC_ENTROPY_ENCODE_H_ -#define BROTLI_ENC_ENTROPY_ENCODE_H_ - -#include - -#include "../common/platform.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/* A node of a Huffman tree. */ -typedef struct HuffmanTree { - uint32_t total_count_; - int16_t index_left_; - int16_t index_right_or_value_; -} HuffmanTree; - -static BROTLI_INLINE void InitHuffmanTree(HuffmanTree* self, uint32_t count, - int16_t left, int16_t right) { - self->total_count_ = count; - self->index_left_ = left; - self->index_right_or_value_ = right; -} - -/* Returns 1 is assignment of depths succeeded, otherwise 0. */ -BROTLI_INTERNAL BROTLI_BOOL BrotliSetDepth( - int p, HuffmanTree* pool, uint8_t* depth, int max_depth); - -/* This function will create a Huffman tree. - - The (data,length) contains the population counts. - The tree_limit is the maximum bit depth of the Huffman codes. - - The depth contains the tree, i.e., how many bits are used for - the symbol. - - The actual Huffman tree is constructed in the tree[] array, which has to - be at least 2 * length + 1 long. - - See http://en.wikipedia.org/wiki/Huffman_coding */ -BROTLI_INTERNAL void BrotliCreateHuffmanTree(const uint32_t* data, - const size_t length, - const int tree_limit, - HuffmanTree* tree, - uint8_t* depth); - -/* Change the population counts in a way that the consequent - Huffman tree compression, especially its RLE-part will be more - likely to compress this data more efficiently. - - length contains the size of the histogram. - counts contains the population counts. - good_for_rle is a buffer of at least length size */ -BROTLI_INTERNAL void BrotliOptimizeHuffmanCountsForRle( - size_t length, uint32_t* counts, uint8_t* good_for_rle); - -/* Write a Huffman tree from bit depths into the bit-stream representation - of a Huffman tree. The generated Huffman tree is to be compressed once - more using a Huffman tree */ -BROTLI_INTERNAL void BrotliWriteHuffmanTree(const uint8_t* depth, - size_t num, - size_t* tree_size, - uint8_t* tree, - uint8_t* extra_bits_data); - -/* Get the actual bit values for a tree of bit depths. */ -BROTLI_INTERNAL void BrotliConvertBitDepthsToSymbols(const uint8_t* depth, - size_t len, - uint16_t* bits); - -BROTLI_INTERNAL extern const size_t kBrotliShellGaps[6]; -/* Input size optimized Shell sort. */ -typedef BROTLI_BOOL (*HuffmanTreeComparator)( - const HuffmanTree*, const HuffmanTree*); -static BROTLI_INLINE void SortHuffmanTreeItems(HuffmanTree* items, - const size_t n, HuffmanTreeComparator comparator) { - if (n < 13) { - /* Insertion sort. */ - size_t i; - for (i = 1; i < n; ++i) { - HuffmanTree tmp = items[i]; - size_t k = i; - size_t j = i - 1; - while (comparator(&tmp, &items[j])) { - items[k] = items[j]; - k = j; - if (!j--) break; - } - items[k] = tmp; - } - return; - } else { - /* Shell sort. */ - int g = n < 57 ? 2 : 0; - for (; g < 6; ++g) { - size_t gap = kBrotliShellGaps[g]; - size_t i; - for (i = gap; i < n; ++i) { - size_t j = i; - HuffmanTree tmp = items[i]; - for (; j >= gap && comparator(&tmp, &items[j - gap]); j -= gap) { - items[j] = items[j - gap]; - } - items[j] = tmp; - } - } - } -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_ENTROPY_ENCODE_H_ */ diff --git a/src/deps/brotli/enc/entropy_encode_static.h b/src/deps/brotli/enc/entropy_encode_static.h deleted file mode 100644 index ecff1fe9ee..0000000000 --- a/src/deps/brotli/enc/entropy_encode_static.h +++ /dev/null @@ -1,542 +0,0 @@ -/* Copyright 2015 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Static entropy codes used for faster meta-block encoding. */ - -#ifndef BROTLI_ENC_ENTROPY_ENCODE_STATIC_H_ -#define BROTLI_ENC_ENTROPY_ENCODE_STATIC_H_ - -#include - -#include "../common/constants.h" -#include "../common/platform.h" -#include "write_bits.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -static const uint8_t kCodeLengthDepth[18] = { - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 0, 4, 4, -}; - -static const uint8_t kStaticCommandCodeDepth[BROTLI_NUM_COMMAND_SYMBOLS] = { - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, - 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, -}; - -static const uint8_t kStaticDistanceCodeDepth[64] = { - 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, - 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, - 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, - 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, -}; - -/* GENERATED CODE START */ -static const uint32_t kCodeLengthBits[18] = { - 0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 15, 31, 0, 11, 7, -}; - -static BROTLI_INLINE void StoreStaticCodeLengthCode( - size_t* storage_ix, uint8_t* storage) { - BrotliWriteBits( - 40, BROTLI_MAKE_UINT64_T(0x0000FFu, 0x55555554u), storage_ix, storage); -} - -static const uint64_t kZeroRepsBits[BROTLI_NUM_COMMAND_SYMBOLS] = { - 0x00000000, 0x00000000, 0x00000000, 0x00000007, 0x00000017, 0x00000027, - 0x00000037, 0x00000047, 0x00000057, 0x00000067, 0x00000077, 0x00000770, - 0x00000b87, 0x00001387, 0x00001b87, 0x00002387, 0x00002b87, 0x00003387, - 0x00003b87, 0x00000397, 0x00000b97, 0x00001397, 0x00001b97, 0x00002397, - 0x00002b97, 0x00003397, 0x00003b97, 0x000003a7, 0x00000ba7, 0x000013a7, - 0x00001ba7, 0x000023a7, 0x00002ba7, 0x000033a7, 0x00003ba7, 0x000003b7, - 0x00000bb7, 0x000013b7, 0x00001bb7, 0x000023b7, 0x00002bb7, 0x000033b7, - 0x00003bb7, 0x000003c7, 0x00000bc7, 0x000013c7, 0x00001bc7, 0x000023c7, - 0x00002bc7, 0x000033c7, 0x00003bc7, 0x000003d7, 0x00000bd7, 0x000013d7, - 0x00001bd7, 0x000023d7, 0x00002bd7, 0x000033d7, 0x00003bd7, 0x000003e7, - 0x00000be7, 0x000013e7, 0x00001be7, 0x000023e7, 0x00002be7, 0x000033e7, - 0x00003be7, 0x000003f7, 0x00000bf7, 0x000013f7, 0x00001bf7, 0x000023f7, - 0x00002bf7, 0x000033f7, 0x00003bf7, 0x0001c387, 0x0005c387, 0x0009c387, - 0x000dc387, 0x0011c387, 0x0015c387, 0x0019c387, 0x001dc387, 0x0001cb87, - 0x0005cb87, 0x0009cb87, 0x000dcb87, 0x0011cb87, 0x0015cb87, 0x0019cb87, - 0x001dcb87, 0x0001d387, 0x0005d387, 0x0009d387, 0x000dd387, 0x0011d387, - 0x0015d387, 0x0019d387, 0x001dd387, 0x0001db87, 0x0005db87, 0x0009db87, - 0x000ddb87, 0x0011db87, 0x0015db87, 0x0019db87, 0x001ddb87, 0x0001e387, - 0x0005e387, 0x0009e387, 0x000de387, 0x0011e387, 0x0015e387, 0x0019e387, - 0x001de387, 0x0001eb87, 0x0005eb87, 0x0009eb87, 0x000deb87, 0x0011eb87, - 0x0015eb87, 0x0019eb87, 0x001deb87, 0x0001f387, 0x0005f387, 0x0009f387, - 0x000df387, 0x0011f387, 0x0015f387, 0x0019f387, 0x001df387, 0x0001fb87, - 0x0005fb87, 0x0009fb87, 0x000dfb87, 0x0011fb87, 0x0015fb87, 0x0019fb87, - 0x001dfb87, 0x0001c397, 0x0005c397, 0x0009c397, 0x000dc397, 0x0011c397, - 0x0015c397, 0x0019c397, 0x001dc397, 0x0001cb97, 0x0005cb97, 0x0009cb97, - 0x000dcb97, 0x0011cb97, 0x0015cb97, 0x0019cb97, 0x001dcb97, 0x0001d397, - 0x0005d397, 0x0009d397, 0x000dd397, 0x0011d397, 0x0015d397, 0x0019d397, - 0x001dd397, 0x0001db97, 0x0005db97, 0x0009db97, 0x000ddb97, 0x0011db97, - 0x0015db97, 0x0019db97, 0x001ddb97, 0x0001e397, 0x0005e397, 0x0009e397, - 0x000de397, 0x0011e397, 0x0015e397, 0x0019e397, 0x001de397, 0x0001eb97, - 0x0005eb97, 0x0009eb97, 0x000deb97, 0x0011eb97, 0x0015eb97, 0x0019eb97, - 0x001deb97, 0x0001f397, 0x0005f397, 0x0009f397, 0x000df397, 0x0011f397, - 0x0015f397, 0x0019f397, 0x001df397, 0x0001fb97, 0x0005fb97, 0x0009fb97, - 0x000dfb97, 0x0011fb97, 0x0015fb97, 0x0019fb97, 0x001dfb97, 0x0001c3a7, - 0x0005c3a7, 0x0009c3a7, 0x000dc3a7, 0x0011c3a7, 0x0015c3a7, 0x0019c3a7, - 0x001dc3a7, 0x0001cba7, 0x0005cba7, 0x0009cba7, 0x000dcba7, 0x0011cba7, - 0x0015cba7, 0x0019cba7, 0x001dcba7, 0x0001d3a7, 0x0005d3a7, 0x0009d3a7, - 0x000dd3a7, 0x0011d3a7, 0x0015d3a7, 0x0019d3a7, 0x001dd3a7, 0x0001dba7, - 0x0005dba7, 0x0009dba7, 0x000ddba7, 0x0011dba7, 0x0015dba7, 0x0019dba7, - 0x001ddba7, 0x0001e3a7, 0x0005e3a7, 0x0009e3a7, 0x000de3a7, 0x0011e3a7, - 0x0015e3a7, 0x0019e3a7, 0x001de3a7, 0x0001eba7, 0x0005eba7, 0x0009eba7, - 0x000deba7, 0x0011eba7, 0x0015eba7, 0x0019eba7, 0x001deba7, 0x0001f3a7, - 0x0005f3a7, 0x0009f3a7, 0x000df3a7, 0x0011f3a7, 0x0015f3a7, 0x0019f3a7, - 0x001df3a7, 0x0001fba7, 0x0005fba7, 0x0009fba7, 0x000dfba7, 0x0011fba7, - 0x0015fba7, 0x0019fba7, 0x001dfba7, 0x0001c3b7, 0x0005c3b7, 0x0009c3b7, - 0x000dc3b7, 0x0011c3b7, 0x0015c3b7, 0x0019c3b7, 0x001dc3b7, 0x0001cbb7, - 0x0005cbb7, 0x0009cbb7, 0x000dcbb7, 0x0011cbb7, 0x0015cbb7, 0x0019cbb7, - 0x001dcbb7, 0x0001d3b7, 0x0005d3b7, 0x0009d3b7, 0x000dd3b7, 0x0011d3b7, - 0x0015d3b7, 0x0019d3b7, 0x001dd3b7, 0x0001dbb7, 0x0005dbb7, 0x0009dbb7, - 0x000ddbb7, 0x0011dbb7, 0x0015dbb7, 0x0019dbb7, 0x001ddbb7, 0x0001e3b7, - 0x0005e3b7, 0x0009e3b7, 0x000de3b7, 0x0011e3b7, 0x0015e3b7, 0x0019e3b7, - 0x001de3b7, 0x0001ebb7, 0x0005ebb7, 0x0009ebb7, 0x000debb7, 0x0011ebb7, - 0x0015ebb7, 0x0019ebb7, 0x001debb7, 0x0001f3b7, 0x0005f3b7, 0x0009f3b7, - 0x000df3b7, 0x0011f3b7, 0x0015f3b7, 0x0019f3b7, 0x001df3b7, 0x0001fbb7, - 0x0005fbb7, 0x0009fbb7, 0x000dfbb7, 0x0011fbb7, 0x0015fbb7, 0x0019fbb7, - 0x001dfbb7, 0x0001c3c7, 0x0005c3c7, 0x0009c3c7, 0x000dc3c7, 0x0011c3c7, - 0x0015c3c7, 0x0019c3c7, 0x001dc3c7, 0x0001cbc7, 0x0005cbc7, 0x0009cbc7, - 0x000dcbc7, 0x0011cbc7, 0x0015cbc7, 0x0019cbc7, 0x001dcbc7, 0x0001d3c7, - 0x0005d3c7, 0x0009d3c7, 0x000dd3c7, 0x0011d3c7, 0x0015d3c7, 0x0019d3c7, - 0x001dd3c7, 0x0001dbc7, 0x0005dbc7, 0x0009dbc7, 0x000ddbc7, 0x0011dbc7, - 0x0015dbc7, 0x0019dbc7, 0x001ddbc7, 0x0001e3c7, 0x0005e3c7, 0x0009e3c7, - 0x000de3c7, 0x0011e3c7, 0x0015e3c7, 0x0019e3c7, 0x001de3c7, 0x0001ebc7, - 0x0005ebc7, 0x0009ebc7, 0x000debc7, 0x0011ebc7, 0x0015ebc7, 0x0019ebc7, - 0x001debc7, 0x0001f3c7, 0x0005f3c7, 0x0009f3c7, 0x000df3c7, 0x0011f3c7, - 0x0015f3c7, 0x0019f3c7, 0x001df3c7, 0x0001fbc7, 0x0005fbc7, 0x0009fbc7, - 0x000dfbc7, 0x0011fbc7, 0x0015fbc7, 0x0019fbc7, 0x001dfbc7, 0x0001c3d7, - 0x0005c3d7, 0x0009c3d7, 0x000dc3d7, 0x0011c3d7, 0x0015c3d7, 0x0019c3d7, - 0x001dc3d7, 0x0001cbd7, 0x0005cbd7, 0x0009cbd7, 0x000dcbd7, 0x0011cbd7, - 0x0015cbd7, 0x0019cbd7, 0x001dcbd7, 0x0001d3d7, 0x0005d3d7, 0x0009d3d7, - 0x000dd3d7, 0x0011d3d7, 0x0015d3d7, 0x0019d3d7, 0x001dd3d7, 0x0001dbd7, - 0x0005dbd7, 0x0009dbd7, 0x000ddbd7, 0x0011dbd7, 0x0015dbd7, 0x0019dbd7, - 0x001ddbd7, 0x0001e3d7, 0x0005e3d7, 0x0009e3d7, 0x000de3d7, 0x0011e3d7, - 0x0015e3d7, 0x0019e3d7, 0x001de3d7, 0x0001ebd7, 0x0005ebd7, 0x0009ebd7, - 0x000debd7, 0x0011ebd7, 0x0015ebd7, 0x0019ebd7, 0x001debd7, 0x0001f3d7, - 0x0005f3d7, 0x0009f3d7, 0x000df3d7, 0x0011f3d7, 0x0015f3d7, 0x0019f3d7, - 0x001df3d7, 0x0001fbd7, 0x0005fbd7, 0x0009fbd7, 0x000dfbd7, 0x0011fbd7, - 0x0015fbd7, 0x0019fbd7, 0x001dfbd7, 0x0001c3e7, 0x0005c3e7, 0x0009c3e7, - 0x000dc3e7, 0x0011c3e7, 0x0015c3e7, 0x0019c3e7, 0x001dc3e7, 0x0001cbe7, - 0x0005cbe7, 0x0009cbe7, 0x000dcbe7, 0x0011cbe7, 0x0015cbe7, 0x0019cbe7, - 0x001dcbe7, 0x0001d3e7, 0x0005d3e7, 0x0009d3e7, 0x000dd3e7, 0x0011d3e7, - 0x0015d3e7, 0x0019d3e7, 0x001dd3e7, 0x0001dbe7, 0x0005dbe7, 0x0009dbe7, - 0x000ddbe7, 0x0011dbe7, 0x0015dbe7, 0x0019dbe7, 0x001ddbe7, 0x0001e3e7, - 0x0005e3e7, 0x0009e3e7, 0x000de3e7, 0x0011e3e7, 0x0015e3e7, 0x0019e3e7, - 0x001de3e7, 0x0001ebe7, 0x0005ebe7, 0x0009ebe7, 0x000debe7, 0x0011ebe7, - 0x0015ebe7, 0x0019ebe7, 0x001debe7, 0x0001f3e7, 0x0005f3e7, 0x0009f3e7, - 0x000df3e7, 0x0011f3e7, 0x0015f3e7, 0x0019f3e7, 0x001df3e7, 0x0001fbe7, - 0x0005fbe7, 0x0009fbe7, 0x000dfbe7, 0x0011fbe7, 0x0015fbe7, 0x0019fbe7, - 0x001dfbe7, 0x0001c3f7, 0x0005c3f7, 0x0009c3f7, 0x000dc3f7, 0x0011c3f7, - 0x0015c3f7, 0x0019c3f7, 0x001dc3f7, 0x0001cbf7, 0x0005cbf7, 0x0009cbf7, - 0x000dcbf7, 0x0011cbf7, 0x0015cbf7, 0x0019cbf7, 0x001dcbf7, 0x0001d3f7, - 0x0005d3f7, 0x0009d3f7, 0x000dd3f7, 0x0011d3f7, 0x0015d3f7, 0x0019d3f7, - 0x001dd3f7, 0x0001dbf7, 0x0005dbf7, 0x0009dbf7, 0x000ddbf7, 0x0011dbf7, - 0x0015dbf7, 0x0019dbf7, 0x001ddbf7, 0x0001e3f7, 0x0005e3f7, 0x0009e3f7, - 0x000de3f7, 0x0011e3f7, 0x0015e3f7, 0x0019e3f7, 0x001de3f7, 0x0001ebf7, - 0x0005ebf7, 0x0009ebf7, 0x000debf7, 0x0011ebf7, 0x0015ebf7, 0x0019ebf7, - 0x001debf7, 0x0001f3f7, 0x0005f3f7, 0x0009f3f7, 0x000df3f7, 0x0011f3f7, - 0x0015f3f7, 0x0019f3f7, 0x001df3f7, 0x0001fbf7, 0x0005fbf7, 0x0009fbf7, - 0x000dfbf7, 0x0011fbf7, 0x0015fbf7, 0x0019fbf7, 0x001dfbf7, 0x00e1c387, - 0x02e1c387, 0x04e1c387, 0x06e1c387, 0x08e1c387, 0x0ae1c387, 0x0ce1c387, - 0x0ee1c387, 0x00e5c387, 0x02e5c387, 0x04e5c387, 0x06e5c387, 0x08e5c387, - 0x0ae5c387, 0x0ce5c387, 0x0ee5c387, 0x00e9c387, 0x02e9c387, 0x04e9c387, - 0x06e9c387, 0x08e9c387, 0x0ae9c387, 0x0ce9c387, 0x0ee9c387, 0x00edc387, - 0x02edc387, 0x04edc387, 0x06edc387, 0x08edc387, 0x0aedc387, 0x0cedc387, - 0x0eedc387, 0x00f1c387, 0x02f1c387, 0x04f1c387, 0x06f1c387, 0x08f1c387, - 0x0af1c387, 0x0cf1c387, 0x0ef1c387, 0x00f5c387, 0x02f5c387, 0x04f5c387, - 0x06f5c387, 0x08f5c387, 0x0af5c387, 0x0cf5c387, 0x0ef5c387, 0x00f9c387, - 0x02f9c387, 0x04f9c387, 0x06f9c387, 0x08f9c387, 0x0af9c387, 0x0cf9c387, - 0x0ef9c387, 0x00fdc387, 0x02fdc387, 0x04fdc387, 0x06fdc387, 0x08fdc387, - 0x0afdc387, 0x0cfdc387, 0x0efdc387, 0x00e1cb87, 0x02e1cb87, 0x04e1cb87, - 0x06e1cb87, 0x08e1cb87, 0x0ae1cb87, 0x0ce1cb87, 0x0ee1cb87, 0x00e5cb87, - 0x02e5cb87, 0x04e5cb87, 0x06e5cb87, 0x08e5cb87, 0x0ae5cb87, 0x0ce5cb87, - 0x0ee5cb87, 0x00e9cb87, 0x02e9cb87, 0x04e9cb87, 0x06e9cb87, 0x08e9cb87, - 0x0ae9cb87, 0x0ce9cb87, 0x0ee9cb87, 0x00edcb87, 0x02edcb87, 0x04edcb87, - 0x06edcb87, 0x08edcb87, 0x0aedcb87, 0x0cedcb87, 0x0eedcb87, 0x00f1cb87, - 0x02f1cb87, 0x04f1cb87, 0x06f1cb87, 0x08f1cb87, 0x0af1cb87, 0x0cf1cb87, - 0x0ef1cb87, 0x00f5cb87, 0x02f5cb87, 0x04f5cb87, 0x06f5cb87, 0x08f5cb87, - 0x0af5cb87, 0x0cf5cb87, 0x0ef5cb87, 0x00f9cb87, 0x02f9cb87, 0x04f9cb87, - 0x06f9cb87, 0x08f9cb87, -}; - -static const uint32_t kZeroRepsDepth[BROTLI_NUM_COMMAND_SYMBOLS] = { - 0, 4, 8, 7, 7, 7, 7, 7, 7, 7, 7, 11, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 28, 28, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, -}; - -static const uint64_t kNonZeroRepsBits[BROTLI_NUM_COMMAND_SYMBOLS] = { - 0x0000000b, 0x0000001b, 0x0000002b, 0x0000003b, 0x000002cb, 0x000006cb, - 0x00000acb, 0x00000ecb, 0x000002db, 0x000006db, 0x00000adb, 0x00000edb, - 0x000002eb, 0x000006eb, 0x00000aeb, 0x00000eeb, 0x000002fb, 0x000006fb, - 0x00000afb, 0x00000efb, 0x0000b2cb, 0x0001b2cb, 0x0002b2cb, 0x0003b2cb, - 0x0000b6cb, 0x0001b6cb, 0x0002b6cb, 0x0003b6cb, 0x0000bacb, 0x0001bacb, - 0x0002bacb, 0x0003bacb, 0x0000becb, 0x0001becb, 0x0002becb, 0x0003becb, - 0x0000b2db, 0x0001b2db, 0x0002b2db, 0x0003b2db, 0x0000b6db, 0x0001b6db, - 0x0002b6db, 0x0003b6db, 0x0000badb, 0x0001badb, 0x0002badb, 0x0003badb, - 0x0000bedb, 0x0001bedb, 0x0002bedb, 0x0003bedb, 0x0000b2eb, 0x0001b2eb, - 0x0002b2eb, 0x0003b2eb, 0x0000b6eb, 0x0001b6eb, 0x0002b6eb, 0x0003b6eb, - 0x0000baeb, 0x0001baeb, 0x0002baeb, 0x0003baeb, 0x0000beeb, 0x0001beeb, - 0x0002beeb, 0x0003beeb, 0x0000b2fb, 0x0001b2fb, 0x0002b2fb, 0x0003b2fb, - 0x0000b6fb, 0x0001b6fb, 0x0002b6fb, 0x0003b6fb, 0x0000bafb, 0x0001bafb, - 0x0002bafb, 0x0003bafb, 0x0000befb, 0x0001befb, 0x0002befb, 0x0003befb, - 0x002cb2cb, 0x006cb2cb, 0x00acb2cb, 0x00ecb2cb, 0x002db2cb, 0x006db2cb, - 0x00adb2cb, 0x00edb2cb, 0x002eb2cb, 0x006eb2cb, 0x00aeb2cb, 0x00eeb2cb, - 0x002fb2cb, 0x006fb2cb, 0x00afb2cb, 0x00efb2cb, 0x002cb6cb, 0x006cb6cb, - 0x00acb6cb, 0x00ecb6cb, 0x002db6cb, 0x006db6cb, 0x00adb6cb, 0x00edb6cb, - 0x002eb6cb, 0x006eb6cb, 0x00aeb6cb, 0x00eeb6cb, 0x002fb6cb, 0x006fb6cb, - 0x00afb6cb, 0x00efb6cb, 0x002cbacb, 0x006cbacb, 0x00acbacb, 0x00ecbacb, - 0x002dbacb, 0x006dbacb, 0x00adbacb, 0x00edbacb, 0x002ebacb, 0x006ebacb, - 0x00aebacb, 0x00eebacb, 0x002fbacb, 0x006fbacb, 0x00afbacb, 0x00efbacb, - 0x002cbecb, 0x006cbecb, 0x00acbecb, 0x00ecbecb, 0x002dbecb, 0x006dbecb, - 0x00adbecb, 0x00edbecb, 0x002ebecb, 0x006ebecb, 0x00aebecb, 0x00eebecb, - 0x002fbecb, 0x006fbecb, 0x00afbecb, 0x00efbecb, 0x002cb2db, 0x006cb2db, - 0x00acb2db, 0x00ecb2db, 0x002db2db, 0x006db2db, 0x00adb2db, 0x00edb2db, - 0x002eb2db, 0x006eb2db, 0x00aeb2db, 0x00eeb2db, 0x002fb2db, 0x006fb2db, - 0x00afb2db, 0x00efb2db, 0x002cb6db, 0x006cb6db, 0x00acb6db, 0x00ecb6db, - 0x002db6db, 0x006db6db, 0x00adb6db, 0x00edb6db, 0x002eb6db, 0x006eb6db, - 0x00aeb6db, 0x00eeb6db, 0x002fb6db, 0x006fb6db, 0x00afb6db, 0x00efb6db, - 0x002cbadb, 0x006cbadb, 0x00acbadb, 0x00ecbadb, 0x002dbadb, 0x006dbadb, - 0x00adbadb, 0x00edbadb, 0x002ebadb, 0x006ebadb, 0x00aebadb, 0x00eebadb, - 0x002fbadb, 0x006fbadb, 0x00afbadb, 0x00efbadb, 0x002cbedb, 0x006cbedb, - 0x00acbedb, 0x00ecbedb, 0x002dbedb, 0x006dbedb, 0x00adbedb, 0x00edbedb, - 0x002ebedb, 0x006ebedb, 0x00aebedb, 0x00eebedb, 0x002fbedb, 0x006fbedb, - 0x00afbedb, 0x00efbedb, 0x002cb2eb, 0x006cb2eb, 0x00acb2eb, 0x00ecb2eb, - 0x002db2eb, 0x006db2eb, 0x00adb2eb, 0x00edb2eb, 0x002eb2eb, 0x006eb2eb, - 0x00aeb2eb, 0x00eeb2eb, 0x002fb2eb, 0x006fb2eb, 0x00afb2eb, 0x00efb2eb, - 0x002cb6eb, 0x006cb6eb, 0x00acb6eb, 0x00ecb6eb, 0x002db6eb, 0x006db6eb, - 0x00adb6eb, 0x00edb6eb, 0x002eb6eb, 0x006eb6eb, 0x00aeb6eb, 0x00eeb6eb, - 0x002fb6eb, 0x006fb6eb, 0x00afb6eb, 0x00efb6eb, 0x002cbaeb, 0x006cbaeb, - 0x00acbaeb, 0x00ecbaeb, 0x002dbaeb, 0x006dbaeb, 0x00adbaeb, 0x00edbaeb, - 0x002ebaeb, 0x006ebaeb, 0x00aebaeb, 0x00eebaeb, 0x002fbaeb, 0x006fbaeb, - 0x00afbaeb, 0x00efbaeb, 0x002cbeeb, 0x006cbeeb, 0x00acbeeb, 0x00ecbeeb, - 0x002dbeeb, 0x006dbeeb, 0x00adbeeb, 0x00edbeeb, 0x002ebeeb, 0x006ebeeb, - 0x00aebeeb, 0x00eebeeb, 0x002fbeeb, 0x006fbeeb, 0x00afbeeb, 0x00efbeeb, - 0x002cb2fb, 0x006cb2fb, 0x00acb2fb, 0x00ecb2fb, 0x002db2fb, 0x006db2fb, - 0x00adb2fb, 0x00edb2fb, 0x002eb2fb, 0x006eb2fb, 0x00aeb2fb, 0x00eeb2fb, - 0x002fb2fb, 0x006fb2fb, 0x00afb2fb, 0x00efb2fb, 0x002cb6fb, 0x006cb6fb, - 0x00acb6fb, 0x00ecb6fb, 0x002db6fb, 0x006db6fb, 0x00adb6fb, 0x00edb6fb, - 0x002eb6fb, 0x006eb6fb, 0x00aeb6fb, 0x00eeb6fb, 0x002fb6fb, 0x006fb6fb, - 0x00afb6fb, 0x00efb6fb, 0x002cbafb, 0x006cbafb, 0x00acbafb, 0x00ecbafb, - 0x002dbafb, 0x006dbafb, 0x00adbafb, 0x00edbafb, 0x002ebafb, 0x006ebafb, - 0x00aebafb, 0x00eebafb, 0x002fbafb, 0x006fbafb, 0x00afbafb, 0x00efbafb, - 0x002cbefb, 0x006cbefb, 0x00acbefb, 0x00ecbefb, 0x002dbefb, 0x006dbefb, - 0x00adbefb, 0x00edbefb, 0x002ebefb, 0x006ebefb, 0x00aebefb, 0x00eebefb, - 0x002fbefb, 0x006fbefb, 0x00afbefb, 0x00efbefb, 0x0b2cb2cb, 0x1b2cb2cb, - 0x2b2cb2cb, 0x3b2cb2cb, 0x0b6cb2cb, 0x1b6cb2cb, 0x2b6cb2cb, 0x3b6cb2cb, - 0x0bacb2cb, 0x1bacb2cb, 0x2bacb2cb, 0x3bacb2cb, 0x0becb2cb, 0x1becb2cb, - 0x2becb2cb, 0x3becb2cb, 0x0b2db2cb, 0x1b2db2cb, 0x2b2db2cb, 0x3b2db2cb, - 0x0b6db2cb, 0x1b6db2cb, 0x2b6db2cb, 0x3b6db2cb, 0x0badb2cb, 0x1badb2cb, - 0x2badb2cb, 0x3badb2cb, 0x0bedb2cb, 0x1bedb2cb, 0x2bedb2cb, 0x3bedb2cb, - 0x0b2eb2cb, 0x1b2eb2cb, 0x2b2eb2cb, 0x3b2eb2cb, 0x0b6eb2cb, 0x1b6eb2cb, - 0x2b6eb2cb, 0x3b6eb2cb, 0x0baeb2cb, 0x1baeb2cb, 0x2baeb2cb, 0x3baeb2cb, - 0x0beeb2cb, 0x1beeb2cb, 0x2beeb2cb, 0x3beeb2cb, 0x0b2fb2cb, 0x1b2fb2cb, - 0x2b2fb2cb, 0x3b2fb2cb, 0x0b6fb2cb, 0x1b6fb2cb, 0x2b6fb2cb, 0x3b6fb2cb, - 0x0bafb2cb, 0x1bafb2cb, 0x2bafb2cb, 0x3bafb2cb, 0x0befb2cb, 0x1befb2cb, - 0x2befb2cb, 0x3befb2cb, 0x0b2cb6cb, 0x1b2cb6cb, 0x2b2cb6cb, 0x3b2cb6cb, - 0x0b6cb6cb, 0x1b6cb6cb, 0x2b6cb6cb, 0x3b6cb6cb, 0x0bacb6cb, 0x1bacb6cb, - 0x2bacb6cb, 0x3bacb6cb, 0x0becb6cb, 0x1becb6cb, 0x2becb6cb, 0x3becb6cb, - 0x0b2db6cb, 0x1b2db6cb, 0x2b2db6cb, 0x3b2db6cb, 0x0b6db6cb, 0x1b6db6cb, - 0x2b6db6cb, 0x3b6db6cb, 0x0badb6cb, 0x1badb6cb, 0x2badb6cb, 0x3badb6cb, - 0x0bedb6cb, 0x1bedb6cb, 0x2bedb6cb, 0x3bedb6cb, 0x0b2eb6cb, 0x1b2eb6cb, - 0x2b2eb6cb, 0x3b2eb6cb, 0x0b6eb6cb, 0x1b6eb6cb, 0x2b6eb6cb, 0x3b6eb6cb, - 0x0baeb6cb, 0x1baeb6cb, 0x2baeb6cb, 0x3baeb6cb, 0x0beeb6cb, 0x1beeb6cb, - 0x2beeb6cb, 0x3beeb6cb, 0x0b2fb6cb, 0x1b2fb6cb, 0x2b2fb6cb, 0x3b2fb6cb, - 0x0b6fb6cb, 0x1b6fb6cb, 0x2b6fb6cb, 0x3b6fb6cb, 0x0bafb6cb, 0x1bafb6cb, - 0x2bafb6cb, 0x3bafb6cb, 0x0befb6cb, 0x1befb6cb, 0x2befb6cb, 0x3befb6cb, - 0x0b2cbacb, 0x1b2cbacb, 0x2b2cbacb, 0x3b2cbacb, 0x0b6cbacb, 0x1b6cbacb, - 0x2b6cbacb, 0x3b6cbacb, 0x0bacbacb, 0x1bacbacb, 0x2bacbacb, 0x3bacbacb, - 0x0becbacb, 0x1becbacb, 0x2becbacb, 0x3becbacb, 0x0b2dbacb, 0x1b2dbacb, - 0x2b2dbacb, 0x3b2dbacb, 0x0b6dbacb, 0x1b6dbacb, 0x2b6dbacb, 0x3b6dbacb, - 0x0badbacb, 0x1badbacb, 0x2badbacb, 0x3badbacb, 0x0bedbacb, 0x1bedbacb, - 0x2bedbacb, 0x3bedbacb, 0x0b2ebacb, 0x1b2ebacb, 0x2b2ebacb, 0x3b2ebacb, - 0x0b6ebacb, 0x1b6ebacb, 0x2b6ebacb, 0x3b6ebacb, 0x0baebacb, 0x1baebacb, - 0x2baebacb, 0x3baebacb, 0x0beebacb, 0x1beebacb, 0x2beebacb, 0x3beebacb, - 0x0b2fbacb, 0x1b2fbacb, 0x2b2fbacb, 0x3b2fbacb, 0x0b6fbacb, 0x1b6fbacb, - 0x2b6fbacb, 0x3b6fbacb, 0x0bafbacb, 0x1bafbacb, 0x2bafbacb, 0x3bafbacb, - 0x0befbacb, 0x1befbacb, 0x2befbacb, 0x3befbacb, 0x0b2cbecb, 0x1b2cbecb, - 0x2b2cbecb, 0x3b2cbecb, 0x0b6cbecb, 0x1b6cbecb, 0x2b6cbecb, 0x3b6cbecb, - 0x0bacbecb, 0x1bacbecb, 0x2bacbecb, 0x3bacbecb, 0x0becbecb, 0x1becbecb, - 0x2becbecb, 0x3becbecb, 0x0b2dbecb, 0x1b2dbecb, 0x2b2dbecb, 0x3b2dbecb, - 0x0b6dbecb, 0x1b6dbecb, 0x2b6dbecb, 0x3b6dbecb, 0x0badbecb, 0x1badbecb, - 0x2badbecb, 0x3badbecb, 0x0bedbecb, 0x1bedbecb, 0x2bedbecb, 0x3bedbecb, - 0x0b2ebecb, 0x1b2ebecb, 0x2b2ebecb, 0x3b2ebecb, 0x0b6ebecb, 0x1b6ebecb, - 0x2b6ebecb, 0x3b6ebecb, 0x0baebecb, 0x1baebecb, 0x2baebecb, 0x3baebecb, - 0x0beebecb, 0x1beebecb, 0x2beebecb, 0x3beebecb, 0x0b2fbecb, 0x1b2fbecb, - 0x2b2fbecb, 0x3b2fbecb, 0x0b6fbecb, 0x1b6fbecb, 0x2b6fbecb, 0x3b6fbecb, - 0x0bafbecb, 0x1bafbecb, 0x2bafbecb, 0x3bafbecb, 0x0befbecb, 0x1befbecb, - 0x2befbecb, 0x3befbecb, 0x0b2cb2db, 0x1b2cb2db, 0x2b2cb2db, 0x3b2cb2db, - 0x0b6cb2db, 0x1b6cb2db, 0x2b6cb2db, 0x3b6cb2db, 0x0bacb2db, 0x1bacb2db, - 0x2bacb2db, 0x3bacb2db, 0x0becb2db, 0x1becb2db, 0x2becb2db, 0x3becb2db, - 0x0b2db2db, 0x1b2db2db, 0x2b2db2db, 0x3b2db2db, 0x0b6db2db, 0x1b6db2db, - 0x2b6db2db, 0x3b6db2db, 0x0badb2db, 0x1badb2db, 0x2badb2db, 0x3badb2db, - 0x0bedb2db, 0x1bedb2db, 0x2bedb2db, 0x3bedb2db, 0x0b2eb2db, 0x1b2eb2db, - 0x2b2eb2db, 0x3b2eb2db, 0x0b6eb2db, 0x1b6eb2db, 0x2b6eb2db, 0x3b6eb2db, - 0x0baeb2db, 0x1baeb2db, 0x2baeb2db, 0x3baeb2db, 0x0beeb2db, 0x1beeb2db, - 0x2beeb2db, 0x3beeb2db, 0x0b2fb2db, 0x1b2fb2db, 0x2b2fb2db, 0x3b2fb2db, - 0x0b6fb2db, 0x1b6fb2db, 0x2b6fb2db, 0x3b6fb2db, 0x0bafb2db, 0x1bafb2db, - 0x2bafb2db, 0x3bafb2db, 0x0befb2db, 0x1befb2db, 0x2befb2db, 0x3befb2db, - 0x0b2cb6db, 0x1b2cb6db, 0x2b2cb6db, 0x3b2cb6db, 0x0b6cb6db, 0x1b6cb6db, - 0x2b6cb6db, 0x3b6cb6db, 0x0bacb6db, 0x1bacb6db, 0x2bacb6db, 0x3bacb6db, - 0x0becb6db, 0x1becb6db, 0x2becb6db, 0x3becb6db, 0x0b2db6db, 0x1b2db6db, - 0x2b2db6db, 0x3b2db6db, 0x0b6db6db, 0x1b6db6db, 0x2b6db6db, 0x3b6db6db, - 0x0badb6db, 0x1badb6db, 0x2badb6db, 0x3badb6db, 0x0bedb6db, 0x1bedb6db, - 0x2bedb6db, 0x3bedb6db, 0x0b2eb6db, 0x1b2eb6db, 0x2b2eb6db, 0x3b2eb6db, - 0x0b6eb6db, 0x1b6eb6db, 0x2b6eb6db, 0x3b6eb6db, 0x0baeb6db, 0x1baeb6db, - 0x2baeb6db, 0x3baeb6db, -}; - -static const uint32_t kNonZeroRepsDepth[BROTLI_NUM_COMMAND_SYMBOLS] = { - 6, 6, 6, 6, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, - 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, - 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, - 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, - 18, 18, 18, 18, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, - 24, 24, 24, 24, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, -}; - -static const uint16_t kStaticCommandCodeBits[BROTLI_NUM_COMMAND_SYMBOLS] = { - 0, 256, 128, 384, 64, 320, 192, 448, - 32, 288, 160, 416, 96, 352, 224, 480, - 16, 272, 144, 400, 80, 336, 208, 464, - 48, 304, 176, 432, 112, 368, 240, 496, - 8, 264, 136, 392, 72, 328, 200, 456, - 40, 296, 168, 424, 104, 360, 232, 488, - 24, 280, 152, 408, 88, 344, 216, 472, - 56, 312, 184, 440, 120, 376, 248, 504, - 4, 260, 132, 388, 68, 324, 196, 452, - 36, 292, 164, 420, 100, 356, 228, 484, - 20, 276, 148, 404, 84, 340, 212, 468, - 52, 308, 180, 436, 116, 372, 244, 500, - 12, 268, 140, 396, 76, 332, 204, 460, - 44, 300, 172, 428, 108, 364, 236, 492, - 28, 284, 156, 412, 92, 348, 220, 476, - 60, 316, 188, 444, 124, 380, 252, 508, - 2, 258, 130, 386, 66, 322, 194, 450, - 34, 290, 162, 418, 98, 354, 226, 482, - 18, 274, 146, 402, 82, 338, 210, 466, - 50, 306, 178, 434, 114, 370, 242, 498, - 10, 266, 138, 394, 74, 330, 202, 458, - 42, 298, 170, 426, 106, 362, 234, 490, - 26, 282, 154, 410, 90, 346, 218, 474, - 58, 314, 186, 442, 122, 378, 250, 506, - 6, 262, 134, 390, 70, 326, 198, 454, - 38, 294, 166, 422, 102, 358, 230, 486, - 22, 278, 150, 406, 86, 342, 214, 470, - 54, 310, 182, 438, 118, 374, 246, 502, - 14, 270, 142, 398, 78, 334, 206, 462, - 46, 302, 174, 430, 110, 366, 238, 494, - 30, 286, 158, 414, 94, 350, 222, 478, - 62, 318, 190, 446, 126, 382, 254, 510, - 1, 257, 129, 385, 65, 321, 193, 449, - 33, 289, 161, 417, 97, 353, 225, 481, - 17, 273, 145, 401, 81, 337, 209, 465, - 49, 305, 177, 433, 113, 369, 241, 497, - 9, 265, 137, 393, 73, 329, 201, 457, - 41, 297, 169, 425, 105, 361, 233, 489, - 25, 281, 153, 409, 89, 345, 217, 473, - 57, 313, 185, 441, 121, 377, 249, 505, - 5, 261, 133, 389, 69, 325, 197, 453, - 37, 293, 165, 421, 101, 357, 229, 485, - 21, 277, 149, 405, 85, 341, 213, 469, - 53, 309, 181, 437, 117, 373, 245, 501, - 13, 269, 141, 397, 77, 333, 205, 461, - 45, 301, 173, 429, 109, 365, 237, 493, - 29, 285, 157, 413, 93, 349, 221, 477, - 61, 317, 189, 445, 125, 381, 253, 509, - 3, 259, 131, 387, 67, 323, 195, 451, - 35, 291, 163, 419, 99, 355, 227, 483, - 19, 275, 147, 403, 83, 339, 211, 467, - 51, 307, 179, 435, 115, 371, 243, 499, - 11, 267, 139, 395, 75, 331, 203, 459, - 43, 299, 171, 427, 107, 363, 235, 491, - 27, 283, 155, 411, 91, 347, 219, 475, - 59, 315, 187, 443, 123, 379, 251, 507, - 7, 1031, 519, 1543, 263, 1287, 775, 1799, - 135, 1159, 647, 1671, 391, 1415, 903, 1927, - 71, 1095, 583, 1607, 327, 1351, 839, 1863, - 199, 1223, 711, 1735, 455, 1479, 967, 1991, - 39, 1063, 551, 1575, 295, 1319, 807, 1831, - 167, 1191, 679, 1703, 423, 1447, 935, 1959, - 103, 1127, 615, 1639, 359, 1383, 871, 1895, - 231, 1255, 743, 1767, 487, 1511, 999, 2023, - 23, 1047, 535, 1559, 279, 1303, 791, 1815, - 151, 1175, 663, 1687, 407, 1431, 919, 1943, - 87, 1111, 599, 1623, 343, 1367, 855, 1879, - 215, 1239, 727, 1751, 471, 1495, 983, 2007, - 55, 1079, 567, 1591, 311, 1335, 823, 1847, - 183, 1207, 695, 1719, 439, 1463, 951, 1975, - 119, 1143, 631, 1655, 375, 1399, 887, 1911, - 247, 1271, 759, 1783, 503, 1527, 1015, 2039, - 15, 1039, 527, 1551, 271, 1295, 783, 1807, - 143, 1167, 655, 1679, 399, 1423, 911, 1935, - 79, 1103, 591, 1615, 335, 1359, 847, 1871, - 207, 1231, 719, 1743, 463, 1487, 975, 1999, - 47, 1071, 559, 1583, 303, 1327, 815, 1839, - 175, 1199, 687, 1711, 431, 1455, 943, 1967, - 111, 1135, 623, 1647, 367, 1391, 879, 1903, - 239, 1263, 751, 1775, 495, 1519, 1007, 2031, - 31, 1055, 543, 1567, 287, 1311, 799, 1823, - 159, 1183, 671, 1695, 415, 1439, 927, 1951, - 95, 1119, 607, 1631, 351, 1375, 863, 1887, - 223, 1247, 735, 1759, 479, 1503, 991, 2015, - 63, 1087, 575, 1599, 319, 1343, 831, 1855, - 191, 1215, 703, 1727, 447, 1471, 959, 1983, - 127, 1151, 639, 1663, 383, 1407, 895, 1919, - 255, 1279, 767, 1791, 511, 1535, 1023, 2047, -}; - -static BROTLI_INLINE void StoreStaticCommandHuffmanTree( - size_t* storage_ix, uint8_t* storage) { - BrotliWriteBits( - 56, BROTLI_MAKE_UINT64_T(0x926244U, 0x16307003U), storage_ix, storage); - BrotliWriteBits(3, 0x00000000U, storage_ix, storage); -} - -static const uint16_t kStaticDistanceCodeBits[64] = { - 0, 32, 16, 48, 8, 40, 24, 56, 4, 36, 20, 52, 12, 44, 28, 60, - 2, 34, 18, 50, 10, 42, 26, 58, 6, 38, 22, 54, 14, 46, 30, 62, - 1, 33, 17, 49, 9, 41, 25, 57, 5, 37, 21, 53, 13, 45, 29, 61, - 3, 35, 19, 51, 11, 43, 27, 59, 7, 39, 23, 55, 15, 47, 31, 63, -}; - -static BROTLI_INLINE void StoreStaticDistanceHuffmanTree( - size_t* storage_ix, uint8_t* storage) { - BrotliWriteBits(28, 0x0369DC03u, storage_ix, storage); -} -/* GENERATED CODE END */ - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_ENTROPY_ENCODE_STATIC_H_ */ diff --git a/src/deps/brotli/enc/fast_log.c b/src/deps/brotli/enc/fast_log.c deleted file mode 100644 index 2fa0efcf86..0000000000 --- a/src/deps/brotli/enc/fast_log.c +++ /dev/null @@ -1,105 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -#include "fast_log.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/* ", ".join(["%.16ff" % x for x in [0.0]+[log2(x) for x in range(1, 256)]]) */ -const double kBrotliLog2Table[BROTLI_LOG2_TABLE_SIZE] = { - 0.0000000000000000f, 0.0000000000000000f, 1.0000000000000000f, - 1.5849625007211563f, 2.0000000000000000f, 2.3219280948873622f, - 2.5849625007211561f, 2.8073549220576042f, 3.0000000000000000f, - 3.1699250014423126f, 3.3219280948873626f, 3.4594316186372978f, - 3.5849625007211565f, 3.7004397181410922f, 3.8073549220576037f, - 3.9068905956085187f, 4.0000000000000000f, 4.0874628412503400f, - 4.1699250014423122f, 4.2479275134435852f, 4.3219280948873626f, - 4.3923174227787607f, 4.4594316186372973f, 4.5235619560570131f, - 4.5849625007211570f, 4.6438561897747244f, 4.7004397181410926f, - 4.7548875021634691f, 4.8073549220576037f, 4.8579809951275728f, - 4.9068905956085187f, 4.9541963103868758f, 5.0000000000000000f, - 5.0443941193584534f, 5.0874628412503400f, 5.1292830169449664f, - 5.1699250014423122f, 5.2094533656289501f, 5.2479275134435852f, - 5.2854022188622487f, 5.3219280948873626f, 5.3575520046180838f, - 5.3923174227787607f, 5.4262647547020979f, 5.4594316186372973f, - 5.4918530963296748f, 5.5235619560570131f, 5.5545888516776376f, - 5.5849625007211570f, 5.6147098441152083f, 5.6438561897747244f, - 5.6724253419714961f, 5.7004397181410926f, 5.7279204545631996f, - 5.7548875021634691f, 5.7813597135246599f, 5.8073549220576046f, - 5.8328900141647422f, 5.8579809951275719f, 5.8826430493618416f, - 5.9068905956085187f, 5.9307373375628867f, 5.9541963103868758f, - 5.9772799234999168f, 6.0000000000000000f, 6.0223678130284544f, - 6.0443941193584534f, 6.0660891904577721f, 6.0874628412503400f, - 6.1085244567781700f, 6.1292830169449672f, 6.1497471195046822f, - 6.1699250014423122f, 6.1898245588800176f, 6.2094533656289510f, - 6.2288186904958804f, 6.2479275134435861f, 6.2667865406949019f, - 6.2854022188622487f, 6.3037807481771031f, 6.3219280948873617f, - 6.3398500028846252f, 6.3575520046180847f, 6.3750394313469254f, - 6.3923174227787598f, 6.4093909361377026f, 6.4262647547020979f, - 6.4429434958487288f, 6.4594316186372982f, 6.4757334309663976f, - 6.4918530963296748f, 6.5077946401986964f, 6.5235619560570131f, - 6.5391588111080319f, 6.5545888516776376f, 6.5698556083309478f, - 6.5849625007211561f, 6.5999128421871278f, 6.6147098441152092f, - 6.6293566200796095f, 6.6438561897747253f, 6.6582114827517955f, - 6.6724253419714952f, 6.6865005271832185f, 6.7004397181410917f, - 6.7142455176661224f, 6.7279204545631988f, 6.7414669864011465f, - 6.7548875021634691f, 6.7681843247769260f, 6.7813597135246599f, - 6.7944158663501062f, 6.8073549220576037f, 6.8201789624151887f, - 6.8328900141647422f, 6.8454900509443757f, 6.8579809951275719f, - 6.8703647195834048f, 6.8826430493618416f, 6.8948177633079437f, - 6.9068905956085187f, 6.9188632372745955f, 6.9307373375628867f, - 6.9425145053392399f, 6.9541963103868758f, 6.9657842846620879f, - 6.9772799234999168f, 6.9886846867721664f, 7.0000000000000000f, - 7.0112272554232540f, 7.0223678130284544f, 7.0334230015374501f, - 7.0443941193584534f, 7.0552824355011898f, 7.0660891904577721f, - 7.0768155970508317f, 7.0874628412503400f, 7.0980320829605272f, - 7.1085244567781700f, 7.1189410727235076f, 7.1292830169449664f, - 7.1395513523987937f, 7.1497471195046822f, 7.1598713367783891f, - 7.1699250014423130f, 7.1799090900149345f, 7.1898245588800176f, - 7.1996723448363644f, 7.2094533656289492f, 7.2191685204621621f, - 7.2288186904958804f, 7.2384047393250794f, 7.2479275134435861f, - 7.2573878426926521f, 7.2667865406949019f, 7.2761244052742384f, - 7.2854022188622487f, 7.2946207488916270f, 7.3037807481771031f, - 7.3128829552843557f, 7.3219280948873617f, 7.3309168781146177f, - 7.3398500028846243f, 7.3487281542310781f, 7.3575520046180847f, - 7.3663222142458151f, 7.3750394313469254f, 7.3837042924740528f, - 7.3923174227787607f, 7.4008794362821844f, 7.4093909361377026f, - 7.4178525148858991f, 7.4262647547020979f, 7.4346282276367255f, - 7.4429434958487288f, 7.4512111118323299f, 7.4594316186372973f, - 7.4676055500829976f, 7.4757334309663976f, 7.4838157772642564f, - 7.4918530963296748f, 7.4998458870832057f, 7.5077946401986964f, - 7.5156998382840436f, 7.5235619560570131f, 7.5313814605163119f, - 7.5391588111080319f, 7.5468944598876373f, 7.5545888516776376f, - 7.5622424242210728f, 7.5698556083309478f, 7.5774288280357487f, - 7.5849625007211561f, 7.5924570372680806f, 7.5999128421871278f, - 7.6073303137496113f, 7.6147098441152075f, 7.6220518194563764f, - 7.6293566200796095f, 7.6366246205436488f, 7.6438561897747244f, - 7.6510516911789290f, 7.6582114827517955f, 7.6653359171851765f, - 7.6724253419714952f, 7.6794800995054464f, 7.6865005271832185f, - 7.6934869574993252f, 7.7004397181410926f, 7.7073591320808825f, - 7.7142455176661224f, 7.7210991887071856f, 7.7279204545631996f, - 7.7347096202258392f, 7.7414669864011465f, 7.7481928495894596f, - 7.7548875021634691f, 7.7615512324444795f, 7.7681843247769260f, - 7.7747870596011737f, 7.7813597135246608f, 7.7879025593914317f, - 7.7944158663501062f, 7.8008998999203047f, 7.8073549220576037f, - 7.8137811912170374f, 7.8201789624151887f, 7.8265484872909159f, - 7.8328900141647422f, 7.8392037880969445f, 7.8454900509443757f, - 7.8517490414160571f, 7.8579809951275719f, 7.8641861446542798f, - 7.8703647195834048f, 7.8765169465650002f, 7.8826430493618425f, - 7.8887432488982601f, 7.8948177633079446f, 7.9008668079807496f, - 7.9068905956085187f, 7.9128893362299619f, 7.9188632372745955f, - 7.9248125036057813f, 7.9307373375628867f, 7.9366379390025719f, - 7.9425145053392399f, 7.9483672315846778f, 7.9541963103868758f, - 7.9600019320680806f, 7.9657842846620870f, 7.9715435539507720f, - 7.9772799234999168f, 7.9829935746943104f, 7.9886846867721664f, - 7.9943534368588578f -}; - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/fast_log.h b/src/deps/brotli/enc/fast_log.h deleted file mode 100644 index f82f4cffc8..0000000000 --- a/src/deps/brotli/enc/fast_log.h +++ /dev/null @@ -1,67 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Utilities for fast computation of logarithms. */ - -#ifndef BROTLI_ENC_FAST_LOG_H_ -#define BROTLI_ENC_FAST_LOG_H_ - -#include - -#include - -#include "../common/platform.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -static BROTLI_INLINE uint32_t Log2FloorNonZero(size_t n) { -#if defined(BROTLI_BSR32) - return BROTLI_BSR32((uint32_t)n); -#else - uint32_t result = 0; - while (n >>= 1) result++; - return result; -#endif -} - -#define BROTLI_LOG2_TABLE_SIZE 256 - -/* A lookup table for small values of log2(int) to be used in entropy - computation. */ -BROTLI_INTERNAL extern const double kBrotliLog2Table[BROTLI_LOG2_TABLE_SIZE]; - -/* Visual Studio 2012 and Android API levels < 18 do not have the log2() - * function defined, so we use log() and a multiplication instead. */ -#if !defined(BROTLI_HAVE_LOG2) -#if ((defined(_MSC_VER) && _MSC_VER <= 1700) || \ - (defined(__ANDROID_API__) && __ANDROID_API__ < 18)) -#define BROTLI_HAVE_LOG2 0 -#else -#define BROTLI_HAVE_LOG2 1 -#endif -#endif - -#define LOG_2_INV 1.4426950408889634 - -/* Faster logarithm for small integers, with the property of log2(0) == 0. */ -static BROTLI_INLINE double FastLog2(size_t v) { - if (v < BROTLI_LOG2_TABLE_SIZE) { - return kBrotliLog2Table[v]; - } -#if !(BROTLI_HAVE_LOG2) - return log((double)v) * LOG_2_INV; -#else - return log2((double)v); -#endif -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_FAST_LOG_H_ */ diff --git a/src/deps/brotli/enc/find_match_length.h b/src/deps/brotli/enc/find_match_length.h deleted file mode 100644 index f3de0bdb6b..0000000000 --- a/src/deps/brotli/enc/find_match_length.h +++ /dev/null @@ -1,72 +0,0 @@ -/* Copyright 2010 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Function to find maximal matching prefixes of strings. */ - -#ifndef BROTLI_ENC_FIND_MATCH_LENGTH_H_ -#define BROTLI_ENC_FIND_MATCH_LENGTH_H_ - -#include - -#include "../common/platform.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/* Separate implementation for little-endian 64-bit targets, for speed. */ -#if defined(BROTLI_TZCNT64) && BROTLI_64_BITS && BROTLI_LITTLE_ENDIAN -static BROTLI_INLINE size_t FindMatchLengthWithLimit(const uint8_t* s1, - const uint8_t* s2, - size_t limit) { - const uint8_t *s1_orig = s1; - for (; limit >= 8; limit -= 8) { - uint64_t x = BROTLI_UNALIGNED_LOAD64LE(s2) ^ - BROTLI_UNALIGNED_LOAD64LE(s1); - s2 += 8; - if (x != 0) { - size_t matching_bits = (size_t)BROTLI_TZCNT64(x); - return (size_t)(s1 - s1_orig) + (matching_bits >> 3); - } - s1 += 8; - } - while (limit && *s1 == *s2) { - limit--; - ++s2; - ++s1; - } - return (size_t)(s1 - s1_orig); -} -#else -static BROTLI_INLINE size_t FindMatchLengthWithLimit(const uint8_t* s1, - const uint8_t* s2, - size_t limit) { - size_t matched = 0; - const uint8_t* s2_limit = s2 + limit; - const uint8_t* s2_ptr = s2; - /* Find out how long the match is. We loop over the data 32 bits at a - time until we find a 32-bit block that doesn't match; then we find - the first non-matching bit and use that to calculate the total - length of the match. */ - while (s2_ptr <= s2_limit - 4 && - BrotliUnalignedRead32(s2_ptr) == - BrotliUnalignedRead32(s1 + matched)) { - s2_ptr += 4; - matched += 4; - } - while ((s2_ptr < s2_limit) && (s1[matched] == *s2_ptr)) { - ++s2_ptr; - ++matched; - } - return matched; -} -#endif - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_FIND_MATCH_LENGTH_H_ */ diff --git a/src/deps/brotli/enc/hash.h b/src/deps/brotli/enc/hash.h deleted file mode 100644 index 5677d82920..0000000000 --- a/src/deps/brotli/enc/hash.h +++ /dev/null @@ -1,728 +0,0 @@ -/* Copyright 2010 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* A (forgetful) hash table to the data seen by the compressor, to - help create backward references to previous data. */ - -#ifndef BROTLI_ENC_HASH_H_ -#define BROTLI_ENC_HASH_H_ - -#include /* exit */ -#include /* memcmp, memset */ - -#include - -#include "../common/constants.h" -#include "../common/dictionary.h" -#include "../common/platform.h" -#include "compound_dictionary.h" -#include "encoder_dict.h" -#include "fast_log.h" -#include "find_match_length.h" -#include "memory.h" -#include "quality.h" -#include "static_dict.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -typedef struct { - /** - * Dynamically allocated areas; regular hasher uses one or two allocations; - * "composite" hasher uses up to 4 allocations. - */ - void* extra[4]; - - /** - * False before the fisrt invocation of HasherSetup (where "extra" memory) - * is allocated. - */ - BROTLI_BOOL is_setup_; - - size_t dict_num_lookups; - size_t dict_num_matches; - - BrotliHasherParams params; - - /** - * False if hasher needs to be "prepared" before use (before the first - * invocation of HasherSetup or after HasherReset). "preparation" is hasher - * data initialization (using input ringbuffer). - */ - BROTLI_BOOL is_prepared_; -} HasherCommon; - -#define score_t size_t - -static const uint32_t kCutoffTransformsCount = 10; -/* 0, 12, 27, 23, 42, 63, 56, 48, 59, 64 */ -/* 0+0, 4+8, 8+19, 12+11, 16+26, 20+43, 24+32, 28+20, 32+27, 36+28 */ -static const uint64_t kCutoffTransforms = - BROTLI_MAKE_UINT64_T(0x071B520A, 0xDA2D3200); - -typedef struct HasherSearchResult { - size_t len; - size_t distance; - score_t score; - int len_code_delta; /* == len_code - len */ -} HasherSearchResult; - -/* kHashMul32 multiplier has these properties: - * The multiplier must be odd. Otherwise we may lose the highest bit. - * No long streaks of ones or zeros. - * There is no effort to ensure that it is a prime, the oddity is enough - for this use. - * The number has been tuned heuristically against compression benchmarks. */ -static const uint32_t kHashMul32 = 0x1E35A7BD; -static const uint64_t kHashMul64 = - BROTLI_MAKE_UINT64_T(0x1FE35A7Bu, 0xD3579BD3u); - -static BROTLI_INLINE uint32_t Hash14(const uint8_t* data) { - uint32_t h = BROTLI_UNALIGNED_LOAD32LE(data) * kHashMul32; - /* The higher bits contain more mixture from the multiplication, - so we take our results from there. */ - return h >> (32 - 14); -} - -static BROTLI_INLINE void PrepareDistanceCache( - int* BROTLI_RESTRICT distance_cache, const int num_distances) { - if (num_distances > 4) { - int last_distance = distance_cache[0]; - distance_cache[4] = last_distance - 1; - distance_cache[5] = last_distance + 1; - distance_cache[6] = last_distance - 2; - distance_cache[7] = last_distance + 2; - distance_cache[8] = last_distance - 3; - distance_cache[9] = last_distance + 3; - if (num_distances > 10) { - int next_last_distance = distance_cache[1]; - distance_cache[10] = next_last_distance - 1; - distance_cache[11] = next_last_distance + 1; - distance_cache[12] = next_last_distance - 2; - distance_cache[13] = next_last_distance + 2; - distance_cache[14] = next_last_distance - 3; - distance_cache[15] = next_last_distance + 3; - } - } -} - -#define BROTLI_LITERAL_BYTE_SCORE 135 -#define BROTLI_DISTANCE_BIT_PENALTY 30 -/* Score must be positive after applying maximal penalty. */ -#define BROTLI_SCORE_BASE (BROTLI_DISTANCE_BIT_PENALTY * 8 * sizeof(size_t)) - -/* Usually, we always choose the longest backward reference. This function - allows for the exception of that rule. - - If we choose a backward reference that is further away, it will - usually be coded with more bits. We approximate this by assuming - log2(distance). If the distance can be expressed in terms of the - last four distances, we use some heuristic constants to estimate - the bits cost. For the first up to four literals we use the bit - cost of the literals from the literal cost model, after that we - use the average bit cost of the cost model. - - This function is used to sometimes discard a longer backward reference - when it is not much longer and the bit cost for encoding it is more - than the saved literals. - - backward_reference_offset MUST be positive. */ -static BROTLI_INLINE score_t BackwardReferenceScore( - size_t copy_length, size_t backward_reference_offset) { - return BROTLI_SCORE_BASE + BROTLI_LITERAL_BYTE_SCORE * (score_t)copy_length - - BROTLI_DISTANCE_BIT_PENALTY * Log2FloorNonZero(backward_reference_offset); -} - -static BROTLI_INLINE score_t BackwardReferenceScoreUsingLastDistance( - size_t copy_length) { - return BROTLI_LITERAL_BYTE_SCORE * (score_t)copy_length + - BROTLI_SCORE_BASE + 15; -} - -static BROTLI_INLINE score_t BackwardReferencePenaltyUsingLastDistance( - size_t distance_short_code) { - return (score_t)39 + ((0x1CA10 >> (distance_short_code & 0xE)) & 0xE); -} - -static BROTLI_INLINE BROTLI_BOOL TestStaticDictionaryItem( - const BrotliEncoderDictionary* dictionary, size_t len, size_t word_idx, - const uint8_t* data, size_t max_length, size_t max_backward, - size_t max_distance, HasherSearchResult* out) { - size_t offset; - size_t matchlen; - size_t backward; - score_t score; - offset = dictionary->words->offsets_by_length[len] + len * word_idx; - if (len > max_length) { - return BROTLI_FALSE; - } - - matchlen = - FindMatchLengthWithLimit(data, &dictionary->words->data[offset], len); - if (matchlen + dictionary->cutoffTransformsCount <= len || matchlen == 0) { - return BROTLI_FALSE; - } - { - size_t cut = len - matchlen; - size_t transform_id = (cut << 2) + - (size_t)((dictionary->cutoffTransforms >> (cut * 6)) & 0x3F); - backward = max_backward + 1 + word_idx + - (transform_id << dictionary->words->size_bits_by_length[len]); - } - if (backward > max_distance) { - return BROTLI_FALSE; - } - score = BackwardReferenceScore(matchlen, backward); - if (score < out->score) { - return BROTLI_FALSE; - } - out->len = matchlen; - out->len_code_delta = (int)len - (int)matchlen; - out->distance = backward; - out->score = score; - return BROTLI_TRUE; -} - -static BROTLI_INLINE void SearchInStaticDictionary( - const BrotliEncoderDictionary* dictionary, - HasherCommon* common, const uint8_t* data, size_t max_length, - size_t max_backward, size_t max_distance, - HasherSearchResult* out, BROTLI_BOOL shallow) { - size_t key; - size_t i; - if (common->dict_num_matches < (common->dict_num_lookups >> 7)) { - return; - } - key = Hash14(data) << 1; - for (i = 0; i < (shallow ? 1u : 2u); ++i, ++key) { - common->dict_num_lookups++; - if (dictionary->hash_table_lengths[key] != 0) { - BROTLI_BOOL item_matches = TestStaticDictionaryItem( - dictionary, dictionary->hash_table_lengths[key], - dictionary->hash_table_words[key], data, - max_length, max_backward, max_distance, out); - if (item_matches) { - common->dict_num_matches++; - } - } - } -} - -typedef struct BackwardMatch { - uint32_t distance; - uint32_t length_and_code; -} BackwardMatch; - -static BROTLI_INLINE void InitBackwardMatch(BackwardMatch* self, - size_t dist, size_t len) { - self->distance = (uint32_t)dist; - self->length_and_code = (uint32_t)(len << 5); -} - -static BROTLI_INLINE void InitDictionaryBackwardMatch(BackwardMatch* self, - size_t dist, size_t len, size_t len_code) { - self->distance = (uint32_t)dist; - self->length_and_code = - (uint32_t)((len << 5) | (len == len_code ? 0 : len_code)); -} - -static BROTLI_INLINE size_t BackwardMatchLength(const BackwardMatch* self) { - return self->length_and_code >> 5; -} - -static BROTLI_INLINE size_t BackwardMatchLengthCode(const BackwardMatch* self) { - size_t code = self->length_and_code & 31; - return code ? code : BackwardMatchLength(self); -} - -#define EXPAND_CAT(a, b) CAT(a, b) -#define CAT(a, b) a ## b -#define FN(X) EXPAND_CAT(X, HASHER()) - -#define HASHER() H10 -#define BUCKET_BITS 17 -#define MAX_TREE_SEARCH_DEPTH 64 -#define MAX_TREE_COMP_LENGTH 128 -#include "hash_to_binary_tree_inc.h" /* NOLINT(build/include) */ -#undef MAX_TREE_SEARCH_DEPTH -#undef MAX_TREE_COMP_LENGTH -#undef BUCKET_BITS -#undef HASHER -/* MAX_NUM_MATCHES == 64 + MAX_TREE_SEARCH_DEPTH */ -#define MAX_NUM_MATCHES_H10 128 - -/* For BUCKET_SWEEP_BITS == 0, enabling the dictionary lookup makes compression - a little faster (0.5% - 1%) and it compresses 0.15% better on small text - and HTML inputs. */ - -#define HASHER() H2 -#define BUCKET_BITS 16 -#define BUCKET_SWEEP_BITS 0 -#define HASH_LEN 5 -#define USE_DICTIONARY 1 -#include "hash_longest_match_quickly_inc.h" /* NOLINT(build/include) */ -#undef BUCKET_SWEEP_BITS -#undef USE_DICTIONARY -#undef HASHER - -#define HASHER() H3 -#define BUCKET_SWEEP_BITS 1 -#define USE_DICTIONARY 0 -#include "hash_longest_match_quickly_inc.h" /* NOLINT(build/include) */ -#undef USE_DICTIONARY -#undef BUCKET_SWEEP_BITS -#undef BUCKET_BITS -#undef HASHER - -#define HASHER() H4 -#define BUCKET_BITS 17 -#define BUCKET_SWEEP_BITS 2 -#define USE_DICTIONARY 1 -#include "hash_longest_match_quickly_inc.h" /* NOLINT(build/include) */ -#undef USE_DICTIONARY -#undef HASH_LEN -#undef BUCKET_SWEEP_BITS -#undef BUCKET_BITS -#undef HASHER - -#define HASHER() H5 -#include "hash_longest_match_inc.h" /* NOLINT(build/include) */ -#undef HASHER - -#define HASHER() H6 -#include "hash_longest_match64_inc.h" /* NOLINT(build/include) */ -#undef HASHER - -#define BUCKET_BITS 15 - -#define NUM_LAST_DISTANCES_TO_CHECK 4 -#define NUM_BANKS 1 -#define BANK_BITS 16 -#define HASHER() H40 -#include "hash_forgetful_chain_inc.h" /* NOLINT(build/include) */ -#undef HASHER -#undef NUM_LAST_DISTANCES_TO_CHECK - -#define NUM_LAST_DISTANCES_TO_CHECK 10 -#define HASHER() H41 -#include "hash_forgetful_chain_inc.h" /* NOLINT(build/include) */ -#undef HASHER -#undef NUM_LAST_DISTANCES_TO_CHECK -#undef NUM_BANKS -#undef BANK_BITS - -#define NUM_LAST_DISTANCES_TO_CHECK 16 -#define NUM_BANKS 512 -#define BANK_BITS 9 -#define HASHER() H42 -#include "hash_forgetful_chain_inc.h" /* NOLINT(build/include) */ -#undef HASHER -#undef NUM_LAST_DISTANCES_TO_CHECK -#undef NUM_BANKS -#undef BANK_BITS - -#undef BUCKET_BITS - -#define HASHER() H54 -#define BUCKET_BITS 20 -#define BUCKET_SWEEP_BITS 2 -#define HASH_LEN 7 -#define USE_DICTIONARY 0 -#include "hash_longest_match_quickly_inc.h" /* NOLINT(build/include) */ -#undef USE_DICTIONARY -#undef HASH_LEN -#undef BUCKET_SWEEP_BITS -#undef BUCKET_BITS -#undef HASHER - -/* fast large window hashers */ - -#define HASHER() HROLLING_FAST -#define CHUNKLEN 32 -#define JUMP 4 -#define NUMBUCKETS 16777216 -#define MASK ((NUMBUCKETS * 64) - 1) -#include "hash_rolling_inc.h" /* NOLINT(build/include) */ -#undef JUMP -#undef HASHER - - -#define HASHER() HROLLING -#define JUMP 1 -#include "hash_rolling_inc.h" /* NOLINT(build/include) */ -#undef MASK -#undef NUMBUCKETS -#undef JUMP -#undef CHUNKLEN -#undef HASHER - -#define HASHER() H35 -#define HASHER_A H3 -#define HASHER_B HROLLING_FAST -#include "hash_composite_inc.h" /* NOLINT(build/include) */ -#undef HASHER_A -#undef HASHER_B -#undef HASHER - -#define HASHER() H55 -#define HASHER_A H54 -#define HASHER_B HROLLING_FAST -#include "hash_composite_inc.h" /* NOLINT(build/include) */ -#undef HASHER_A -#undef HASHER_B -#undef HASHER - -#define HASHER() H65 -#define HASHER_A H6 -#define HASHER_B HROLLING -#include "hash_composite_inc.h" /* NOLINT(build/include) */ -#undef HASHER_A -#undef HASHER_B -#undef HASHER - -#undef FN -#undef CAT -#undef EXPAND_CAT - -#define FOR_SIMPLE_HASHERS(H) H(2) H(3) H(4) H(5) H(6) H(40) H(41) H(42) H(54) -#define FOR_COMPOSITE_HASHERS(H) H(35) H(55) H(65) -#define FOR_GENERIC_HASHERS(H) FOR_SIMPLE_HASHERS(H) FOR_COMPOSITE_HASHERS(H) -#define FOR_ALL_HASHERS(H) FOR_GENERIC_HASHERS(H) H(10) - -typedef struct { - HasherCommon common; - - union { -#define MEMBER_(N) \ - H ## N _H ## N; - FOR_ALL_HASHERS(MEMBER_) -#undef MEMBER_ - } privat; -} Hasher; - -/* MUST be invoked before any other method. */ -static BROTLI_INLINE void HasherInit(Hasher* hasher) { - hasher->common.is_setup_ = BROTLI_FALSE; - hasher->common.extra[0] = NULL; - hasher->common.extra[1] = NULL; - hasher->common.extra[2] = NULL; - hasher->common.extra[3] = NULL; -} - -static BROTLI_INLINE void DestroyHasher(MemoryManager* m, Hasher* hasher) { - if (hasher->common.extra[0] != NULL) BROTLI_FREE(m, hasher->common.extra[0]); - if (hasher->common.extra[1] != NULL) BROTLI_FREE(m, hasher->common.extra[1]); - if (hasher->common.extra[2] != NULL) BROTLI_FREE(m, hasher->common.extra[2]); - if (hasher->common.extra[3] != NULL) BROTLI_FREE(m, hasher->common.extra[3]); -} - -static BROTLI_INLINE void HasherReset(Hasher* hasher) { - hasher->common.is_prepared_ = BROTLI_FALSE; -} - -static BROTLI_INLINE void HasherSize(const BrotliEncoderParams* params, - BROTLI_BOOL one_shot, const size_t input_size, size_t* alloc_size) { - switch (params->hasher.type) { -#define SIZE_(N) \ - case N: \ - HashMemAllocInBytesH ## N(params, one_shot, input_size, alloc_size); \ - break; - FOR_ALL_HASHERS(SIZE_) -#undef SIZE_ - default: - break; - } -} - -static BROTLI_INLINE void HasherSetup(MemoryManager* m, Hasher* hasher, - BrotliEncoderParams* params, const uint8_t* data, size_t position, - size_t input_size, BROTLI_BOOL is_last) { - BROTLI_BOOL one_shot = (position == 0 && is_last); - if (!hasher->common.is_setup_) { - size_t alloc_size[4] = {0}; - size_t i; - ChooseHasher(params, ¶ms->hasher); - hasher->common.params = params->hasher; - hasher->common.dict_num_lookups = 0; - hasher->common.dict_num_matches = 0; - HasherSize(params, one_shot, input_size, alloc_size); - for (i = 0; i < 4; ++i) { - if (alloc_size[i] == 0) continue; - hasher->common.extra[i] = BROTLI_ALLOC(m, uint8_t, alloc_size[i]); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(hasher->common.extra[i])) return; - } - switch (hasher->common.params.type) { -#define INITIALIZE_(N) \ - case N: \ - InitializeH ## N(&hasher->common, \ - &hasher->privat._H ## N, params); \ - break; - FOR_ALL_HASHERS(INITIALIZE_); -#undef INITIALIZE_ - default: - break; - } - HasherReset(hasher); - hasher->common.is_setup_ = BROTLI_TRUE; - } - - if (!hasher->common.is_prepared_) { - switch (hasher->common.params.type) { -#define PREPARE_(N) \ - case N: \ - PrepareH ## N( \ - &hasher->privat._H ## N, \ - one_shot, input_size, data); \ - break; - FOR_ALL_HASHERS(PREPARE_) -#undef PREPARE_ - default: break; - } - hasher->common.is_prepared_ = BROTLI_TRUE; - } -} - -static BROTLI_INLINE void InitOrStitchToPreviousBlock( - MemoryManager* m, Hasher* hasher, const uint8_t* data, size_t mask, - BrotliEncoderParams* params, size_t position, size_t input_size, - BROTLI_BOOL is_last) { - HasherSetup(m, hasher, params, data, position, input_size, is_last); - if (BROTLI_IS_OOM(m)) return; - switch (hasher->common.params.type) { -#define INIT_(N) \ - case N: \ - StitchToPreviousBlockH ## N( \ - &hasher->privat._H ## N, \ - input_size, position, data, mask); \ - break; - FOR_ALL_HASHERS(INIT_) -#undef INIT_ - default: break; - } -} - -/* NB: when seamless dictionary-ring-buffer copies are implemented, don't forget - to add proper guards for non-zero-BROTLI_PARAM_STREAM_OFFSET. */ -static BROTLI_INLINE void FindCompoundDictionaryMatch( - const PreparedDictionary* self, const uint8_t* BROTLI_RESTRICT data, - const size_t ring_buffer_mask, const int* BROTLI_RESTRICT distance_cache, - const size_t cur_ix, const size_t max_length, const size_t distance_offset, - const size_t max_distance, HasherSearchResult* BROTLI_RESTRICT out) { - const uint32_t source_size = self->source_size; - const size_t boundary = distance_offset - source_size; - const uint32_t hash_bits = self->hash_bits; - const uint32_t bucket_bits = self->bucket_bits; - const uint32_t slot_bits = self->slot_bits; - - const uint32_t hash_shift = 64u - bucket_bits; - const uint32_t slot_mask = (~((uint32_t)0U)) >> (32 - slot_bits); - const uint64_t hash_mask = (~((uint64_t)0U)) >> (64 - hash_bits); - - const uint32_t* slot_offsets = (uint32_t*)(&self[1]); - const uint16_t* heads = (uint16_t*)(&slot_offsets[1u << slot_bits]); - const uint32_t* items = (uint32_t*)(&heads[1u << bucket_bits]); - const uint8_t* source = NULL; - - const size_t cur_ix_masked = cur_ix & ring_buffer_mask; - score_t best_score = out->score; - size_t best_len = out->len; - size_t i; - const uint64_t h = - (BROTLI_UNALIGNED_LOAD64LE(&data[cur_ix_masked]) & hash_mask) * - kPreparedDictionaryHashMul64Long; - const uint32_t key = (uint32_t)(h >> hash_shift); - const uint32_t slot = key & slot_mask; - const uint32_t head = heads[key]; - const uint32_t* BROTLI_RESTRICT chain = &items[slot_offsets[slot] + head]; - uint32_t item = (head == 0xFFFF) ? 1 : 0; - - const void* tail = (void*)&items[self->num_items]; - if (self->magic == kPreparedDictionaryMagic) { - source = (const uint8_t*)tail; - } else { - /* kLeanPreparedDictionaryMagic */ - source = (const uint8_t*)BROTLI_UNALIGNED_LOAD_PTR((const uint8_t**)tail); - } - - for (i = 0; i < 4; ++i) { - const size_t distance = (size_t)distance_cache[i]; - size_t offset; - size_t limit; - size_t len; - if (distance <= boundary || distance > distance_offset) continue; - offset = distance_offset - distance; - limit = source_size - offset; - limit = limit > max_length ? max_length : limit; - len = FindMatchLengthWithLimit(&source[offset], &data[cur_ix_masked], - limit); - if (len >= 2) { - score_t score = BackwardReferenceScoreUsingLastDistance(len); - if (best_score < score) { - if (i != 0) score -= BackwardReferencePenaltyUsingLastDistance(i); - if (best_score < score) { - best_score = score; - if (len > best_len) best_len = len; - out->len = len; - out->len_code_delta = 0; - out->distance = distance; - out->score = best_score; - } - } - } - } - while (item == 0) { - size_t offset; - size_t distance; - size_t limit; - item = *chain; - chain++; - offset = item & 0x7FFFFFFF; - item &= 0x80000000; - distance = distance_offset - offset; - limit = source_size - offset; - limit = (limit > max_length) ? max_length : limit; - if (distance > max_distance) continue; - if (cur_ix_masked + best_len > ring_buffer_mask || - best_len >= limit || - data[cur_ix_masked + best_len] != source[offset + best_len]) { - continue; - } - { - const size_t len = FindMatchLengthWithLimit(&source[offset], - &data[cur_ix_masked], - limit); - if (len >= 4) { - score_t score = BackwardReferenceScore(len, distance); - if (best_score < score) { - best_score = score; - best_len = len; - out->len = best_len; - out->len_code_delta = 0; - out->distance = distance; - out->score = best_score; - } - } - } - } -} - -/* NB: when seamless dictionary-ring-buffer copies are implemented, don't forget - to add proper guards for non-zero-BROTLI_PARAM_STREAM_OFFSET. */ -static BROTLI_INLINE size_t FindAllCompoundDictionaryMatches( - const PreparedDictionary* self, const uint8_t* BROTLI_RESTRICT data, - const size_t ring_buffer_mask, const size_t cur_ix, const size_t min_length, - const size_t max_length, const size_t distance_offset, - const size_t max_distance, BackwardMatch* matches, size_t match_limit) { - const uint32_t source_size = self->source_size; - const uint32_t hash_bits = self->hash_bits; - const uint32_t bucket_bits = self->bucket_bits; - const uint32_t slot_bits = self->slot_bits; - - const uint32_t hash_shift = 64u - bucket_bits; - const uint32_t slot_mask = (~((uint32_t)0U)) >> (32 - slot_bits); - const uint64_t hash_mask = (~((uint64_t)0U)) >> (64 - hash_bits); - - const uint32_t* slot_offsets = (uint32_t*)(&self[1]); - const uint16_t* heads = (uint16_t*)(&slot_offsets[1u << slot_bits]); - const uint32_t* items = (uint32_t*)(&heads[1u << bucket_bits]); - const uint8_t* source = NULL; - - const size_t cur_ix_masked = cur_ix & ring_buffer_mask; - size_t best_len = min_length; - const uint64_t h = - (BROTLI_UNALIGNED_LOAD64LE(&data[cur_ix_masked]) & hash_mask) * - kPreparedDictionaryHashMul64Long; - const uint32_t key = (uint32_t)(h >> hash_shift); - const uint32_t slot = key & slot_mask; - const uint32_t head = heads[key]; - const uint32_t* BROTLI_RESTRICT chain = &items[slot_offsets[slot] + head]; - uint32_t item = (head == 0xFFFF) ? 1 : 0; - size_t found = 0; - - const void* tail = (void*)&items[self->num_items]; - if (self->magic == kPreparedDictionaryMagic) { - source = (const uint8_t*)tail; - } else { - /* kLeanPreparedDictionaryMagic */ - source = (const uint8_t*)BROTLI_UNALIGNED_LOAD_PTR((const uint8_t**)tail); - } - - while (item == 0) { - size_t offset; - size_t distance; - size_t limit; - size_t len; - item = *chain; - chain++; - offset = item & 0x7FFFFFFF; - item &= 0x80000000; - distance = distance_offset - offset; - limit = source_size - offset; - limit = (limit > max_length) ? max_length : limit; - if (distance > max_distance) continue; - if (cur_ix_masked + best_len > ring_buffer_mask || - best_len >= limit || - data[cur_ix_masked + best_len] != source[offset + best_len]) { - continue; - } - len = FindMatchLengthWithLimit( - &source[offset], &data[cur_ix_masked], limit); - if (len > best_len) { - best_len = len; - InitBackwardMatch(matches++, distance, len); - found++; - if (found == match_limit) break; - } - } - return found; -} - -static BROTLI_INLINE void LookupCompoundDictionaryMatch( - const CompoundDictionary* addon, const uint8_t* BROTLI_RESTRICT data, - const size_t ring_buffer_mask, const int* BROTLI_RESTRICT distance_cache, - const size_t cur_ix, const size_t max_length, - const size_t max_ring_buffer_distance, const size_t max_distance, - HasherSearchResult* sr) { - size_t base_offset = max_ring_buffer_distance + 1 + addon->total_size - 1; - size_t d; - for (d = 0; d < addon->num_chunks; ++d) { - /* Only one prepared dictionary type is currently supported. */ - FindCompoundDictionaryMatch( - (const PreparedDictionary*)addon->chunks[d], data, ring_buffer_mask, - distance_cache, cur_ix, max_length, - base_offset - addon->chunk_offsets[d], max_distance, sr); - } -} - -static BROTLI_INLINE size_t LookupAllCompoundDictionaryMatches( - const CompoundDictionary* addon, const uint8_t* BROTLI_RESTRICT data, - const size_t ring_buffer_mask, const size_t cur_ix, size_t min_length, - const size_t max_length, const size_t max_ring_buffer_distance, - const size_t max_distance, BackwardMatch* matches, - size_t match_limit) { - size_t base_offset = max_ring_buffer_distance + 1 + addon->total_size - 1; - size_t d; - size_t total_found = 0; - for (d = 0; d < addon->num_chunks; ++d) { - /* Only one prepared dictionary type is currently supported. */ - total_found += FindAllCompoundDictionaryMatches( - (const PreparedDictionary*)addon->chunks[d], data, ring_buffer_mask, - cur_ix, min_length, max_length, base_offset - addon->chunk_offsets[d], - max_distance, matches + total_found, match_limit - total_found); - if (total_found == match_limit) break; - if (total_found > 0) { - min_length = BackwardMatchLength(&matches[total_found - 1]); - } - } - return total_found; -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_HASH_H_ */ diff --git a/src/deps/brotli/enc/hash_composite_inc.h b/src/deps/brotli/enc/hash_composite_inc.h deleted file mode 100644 index 3923bc72c8..0000000000 --- a/src/deps/brotli/enc/hash_composite_inc.h +++ /dev/null @@ -1,140 +0,0 @@ -/* NOLINT(build/header_guard) */ -/* Copyright 2018 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* template parameters: FN, HASHER_A, HASHER_B */ - -/* Composite hasher: This hasher allows to combine two other hashers, HASHER_A - and HASHER_B. */ - -#define HashComposite HASHER() - -#define FN_A(X) EXPAND_CAT(X, HASHER_A) -#define FN_B(X) EXPAND_CAT(X, HASHER_B) - -static BROTLI_INLINE size_t FN(HashTypeLength)(void) { - size_t a = FN_A(HashTypeLength)(); - size_t b = FN_B(HashTypeLength)(); - return a > b ? a : b; -} - -static BROTLI_INLINE size_t FN(StoreLookahead)(void) { - size_t a = FN_A(StoreLookahead)(); - size_t b = FN_B(StoreLookahead)(); - return a > b ? a : b; -} - -typedef struct HashComposite { - HASHER_A ha; - HASHER_B hb; - HasherCommon ha_common; - HasherCommon hb_common; - - /* Shortcuts. */ - HasherCommon* common; - - BROTLI_BOOL fresh; - const BrotliEncoderParams* params; -} HashComposite; - -static void FN(Initialize)(HasherCommon* common, - HashComposite* BROTLI_RESTRICT self, const BrotliEncoderParams* params) { - self->common = common; - - self->ha_common = *self->common; - self->hb_common = *self->common; - self->fresh = BROTLI_TRUE; - self->params = params; - /* TODO(lode): Initialize of the hashers is deferred to Prepare (and params - remembered here) because we don't get the one_shot and input_size params - here that are needed to know the memory size of them. Instead provide - those params to all hashers FN(Initialize) */ -} - -static void FN(Prepare)( - HashComposite* BROTLI_RESTRICT self, BROTLI_BOOL one_shot, - size_t input_size, const uint8_t* BROTLI_RESTRICT data) { - if (self->fresh) { - self->fresh = BROTLI_FALSE; - self->ha_common.extra[0] = self->common->extra[0]; - self->ha_common.extra[1] = self->common->extra[1]; - self->ha_common.extra[2] = NULL; - self->ha_common.extra[3] = NULL; - self->hb_common.extra[0] = self->common->extra[2]; - self->hb_common.extra[1] = self->common->extra[3]; - self->hb_common.extra[2] = NULL; - self->hb_common.extra[3] = NULL; - - FN_A(Initialize)(&self->ha_common, &self->ha, self->params); - FN_B(Initialize)(&self->hb_common, &self->hb, self->params); - } - FN_A(Prepare)(&self->ha, one_shot, input_size, data); - FN_B(Prepare)(&self->hb, one_shot, input_size, data); -} - -static BROTLI_INLINE void FN(HashMemAllocInBytes)( - const BrotliEncoderParams* params, BROTLI_BOOL one_shot, - size_t input_size, size_t* alloc_size) { - size_t alloc_size_a[4] = {0}; - size_t alloc_size_b[4] = {0}; - FN_A(HashMemAllocInBytes)(params, one_shot, input_size, alloc_size_a); - FN_B(HashMemAllocInBytes)(params, one_shot, input_size, alloc_size_b); - /* Should never happen. */ - if (alloc_size_a[2] != 0 || alloc_size_a[3] != 0) exit(EXIT_FAILURE); - if (alloc_size_b[2] != 0 || alloc_size_b[3] != 0) exit(EXIT_FAILURE); - alloc_size[0] = alloc_size_a[0]; - alloc_size[1] = alloc_size_a[1]; - alloc_size[2] = alloc_size_b[0]; - alloc_size[3] = alloc_size_b[1]; -} - -static BROTLI_INLINE void FN(Store)(HashComposite* BROTLI_RESTRICT self, - const uint8_t* BROTLI_RESTRICT data, const size_t mask, const size_t ix) { - FN_A(Store)(&self->ha, data, mask, ix); - FN_B(Store)(&self->hb, data, mask, ix); -} - -static BROTLI_INLINE void FN(StoreRange)( - HashComposite* BROTLI_RESTRICT self, const uint8_t* BROTLI_RESTRICT data, - const size_t mask, const size_t ix_start, - const size_t ix_end) { - FN_A(StoreRange)(&self->ha, data, mask, ix_start, ix_end); - FN_B(StoreRange)(&self->hb, data, mask, ix_start, ix_end); -} - -static BROTLI_INLINE void FN(StitchToPreviousBlock)( - HashComposite* BROTLI_RESTRICT self, - size_t num_bytes, size_t position, const uint8_t* ringbuffer, - size_t ring_buffer_mask) { - FN_A(StitchToPreviousBlock)(&self->ha, num_bytes, position, - ringbuffer, ring_buffer_mask); - FN_B(StitchToPreviousBlock)(&self->hb, num_bytes, position, - ringbuffer, ring_buffer_mask); -} - -static BROTLI_INLINE void FN(PrepareDistanceCache)( - HashComposite* BROTLI_RESTRICT self, int* BROTLI_RESTRICT distance_cache) { - FN_A(PrepareDistanceCache)(&self->ha, distance_cache); - FN_B(PrepareDistanceCache)(&self->hb, distance_cache); -} - -static BROTLI_INLINE void FN(FindLongestMatch)( - HashComposite* BROTLI_RESTRICT self, - const BrotliEncoderDictionary* dictionary, - const uint8_t* BROTLI_RESTRICT data, const size_t ring_buffer_mask, - const int* BROTLI_RESTRICT distance_cache, const size_t cur_ix, - const size_t max_length, const size_t max_backward, - const size_t dictionary_distance, const size_t max_distance, - HasherSearchResult* BROTLI_RESTRICT out) { - FN_A(FindLongestMatch)(&self->ha, dictionary, data, ring_buffer_mask, - distance_cache, cur_ix, max_length, max_backward, dictionary_distance, - max_distance, out); - FN_B(FindLongestMatch)(&self->hb, dictionary, data, ring_buffer_mask, - distance_cache, cur_ix, max_length, max_backward, dictionary_distance, - max_distance, out); -} - -#undef HashComposite diff --git a/src/deps/brotli/enc/hash_forgetful_chain_inc.h b/src/deps/brotli/enc/hash_forgetful_chain_inc.h deleted file mode 100644 index 48e1cdcdf2..0000000000 --- a/src/deps/brotli/enc/hash_forgetful_chain_inc.h +++ /dev/null @@ -1,295 +0,0 @@ -/* NOLINT(build/header_guard) */ -/* Copyright 2016 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* template parameters: FN, BUCKET_BITS, NUM_BANKS, BANK_BITS, - NUM_LAST_DISTANCES_TO_CHECK */ - -/* A (forgetful) hash table to the data seen by the compressor, to - help create backward references to previous data. - - Hashes are stored in chains which are bucketed to groups. Group of chains - share a storage "bank". When more than "bank size" chain nodes are added, - oldest nodes are replaced; this way several chains may share a tail. */ - -#define HashForgetfulChain HASHER() - -#define BANK_SIZE (1 << BANK_BITS) - -/* Number of hash buckets. */ -#define BUCKET_SIZE (1 << BUCKET_BITS) - -#define CAPPED_CHAINS 0 - -static BROTLI_INLINE size_t FN(HashTypeLength)(void) { return 4; } -static BROTLI_INLINE size_t FN(StoreLookahead)(void) { return 4; } - -/* HashBytes is the function that chooses the bucket to place the address in.*/ -static BROTLI_INLINE size_t FN(HashBytes)(const uint8_t* BROTLI_RESTRICT data) { - const uint32_t h = BROTLI_UNALIGNED_LOAD32LE(data) * kHashMul32; - /* The higher bits contain more mixture from the multiplication, - so we take our results from there. */ - return h >> (32 - BUCKET_BITS); -} - -typedef struct FN(Slot) { - uint16_t delta; - uint16_t next; -} FN(Slot); - -typedef struct FN(Bank) { - FN(Slot) slots[BANK_SIZE]; -} FN(Bank); - -typedef struct HashForgetfulChain { - uint16_t free_slot_idx[NUM_BANKS]; /* Up to 1KiB. Move to dynamic? */ - size_t max_hops; - - /* Shortcuts. */ - void* extra[2]; - HasherCommon* common; - - /* --- Dynamic size members --- */ - - /* uint32_t addr[BUCKET_SIZE]; */ - - /* uint16_t head[BUCKET_SIZE]; */ - - /* Truncated hash used for quick rejection of "distance cache" candidates. */ - /* uint8_t tiny_hash[65536];*/ - - /* FN(Bank) banks[NUM_BANKS]; */ -} HashForgetfulChain; - -static uint32_t* FN(Addr)(void* extra) { - return (uint32_t*)extra; -} - -static uint16_t* FN(Head)(void* extra) { - return (uint16_t*)(&FN(Addr)(extra)[BUCKET_SIZE]); -} - -static uint8_t* FN(TinyHash)(void* extra) { - return (uint8_t*)(&FN(Head)(extra)[BUCKET_SIZE]); -} - -static FN(Bank)* FN(Banks)(void* extra) { - return (FN(Bank)*)(extra); -} - -static void FN(Initialize)( - HasherCommon* common, HashForgetfulChain* BROTLI_RESTRICT self, - const BrotliEncoderParams* params) { - self->common = common; - self->extra[0] = common->extra[0]; - self->extra[1] = common->extra[1]; - - self->max_hops = (params->quality > 6 ? 7u : 8u) << (params->quality - 4); -} - -static void FN(Prepare)( - HashForgetfulChain* BROTLI_RESTRICT self, BROTLI_BOOL one_shot, - size_t input_size, const uint8_t* BROTLI_RESTRICT data) { - uint32_t* BROTLI_RESTRICT addr = FN(Addr)(self->extra[0]); - uint16_t* BROTLI_RESTRICT head = FN(Head)(self->extra[0]); - uint8_t* BROTLI_RESTRICT tiny_hash = FN(TinyHash)(self->extra[0]); - /* Partial preparation is 100 times slower (per socket). */ - size_t partial_prepare_threshold = BUCKET_SIZE >> 6; - if (one_shot && input_size <= partial_prepare_threshold) { - size_t i; - for (i = 0; i < input_size; ++i) { - size_t bucket = FN(HashBytes)(&data[i]); - /* See InitEmpty comment. */ - addr[bucket] = 0xCCCCCCCC; - head[bucket] = 0xCCCC; - } - } else { - /* Fill |addr| array with 0xCCCCCCCC value. Because of wrapping, position - processed by hasher never reaches 3GB + 64M; this makes all new chains - to be terminated after the first node. */ - memset(addr, 0xCC, sizeof(uint32_t) * BUCKET_SIZE); - memset(head, 0, sizeof(uint16_t) * BUCKET_SIZE); - } - memset(tiny_hash, 0, sizeof(uint8_t) * 65536); - memset(self->free_slot_idx, 0, sizeof(self->free_slot_idx)); -} - -static BROTLI_INLINE void FN(HashMemAllocInBytes)( - const BrotliEncoderParams* params, BROTLI_BOOL one_shot, - size_t input_size, size_t* alloc_size) { - BROTLI_UNUSED(params); - BROTLI_UNUSED(one_shot); - BROTLI_UNUSED(input_size); - alloc_size[0] = sizeof(uint32_t) * BUCKET_SIZE + - sizeof(uint16_t) * BUCKET_SIZE + sizeof(uint8_t) * 65536; - alloc_size[1] = sizeof(FN(Bank)) * NUM_BANKS; -} - -/* Look at 4 bytes at &data[ix & mask]. Compute a hash from these, and prepend - node to corresponding chain; also update tiny_hash for current position. */ -static BROTLI_INLINE void FN(Store)(HashForgetfulChain* BROTLI_RESTRICT self, - const uint8_t* BROTLI_RESTRICT data, const size_t mask, const size_t ix) { - uint32_t* BROTLI_RESTRICT addr = FN(Addr)(self->extra[0]); - uint16_t* BROTLI_RESTRICT head = FN(Head)(self->extra[0]); - uint8_t* BROTLI_RESTRICT tiny_hash = FN(TinyHash)(self->extra[0]); - FN(Bank)* BROTLI_RESTRICT banks = FN(Banks)(self->extra[1]); - const size_t key = FN(HashBytes)(&data[ix & mask]); - const size_t bank = key & (NUM_BANKS - 1); - const size_t idx = self->free_slot_idx[bank]++ & (BANK_SIZE - 1); - size_t delta = ix - addr[key]; - tiny_hash[(uint16_t)ix] = (uint8_t)key; - if (delta > 0xFFFF) delta = CAPPED_CHAINS ? 0 : 0xFFFF; - banks[bank].slots[idx].delta = (uint16_t)delta; - banks[bank].slots[idx].next = head[key]; - addr[key] = (uint32_t)ix; - head[key] = (uint16_t)idx; -} - -static BROTLI_INLINE void FN(StoreRange)( - HashForgetfulChain* BROTLI_RESTRICT self, - const uint8_t* BROTLI_RESTRICT data, const size_t mask, - const size_t ix_start, const size_t ix_end) { - size_t i; - for (i = ix_start; i < ix_end; ++i) { - FN(Store)(self, data, mask, i); - } -} - -static BROTLI_INLINE void FN(StitchToPreviousBlock)( - HashForgetfulChain* BROTLI_RESTRICT self, - size_t num_bytes, size_t position, const uint8_t* ringbuffer, - size_t ring_buffer_mask) { - if (num_bytes >= FN(HashTypeLength)() - 1 && position >= 3) { - /* Prepare the hashes for three last bytes of the last write. - These could not be calculated before, since they require knowledge - of both the previous and the current block. */ - FN(Store)(self, ringbuffer, ring_buffer_mask, position - 3); - FN(Store)(self, ringbuffer, ring_buffer_mask, position - 2); - FN(Store)(self, ringbuffer, ring_buffer_mask, position - 1); - } -} - -static BROTLI_INLINE void FN(PrepareDistanceCache)( - HashForgetfulChain* BROTLI_RESTRICT self, - int* BROTLI_RESTRICT distance_cache) { - BROTLI_UNUSED(self); - PrepareDistanceCache(distance_cache, NUM_LAST_DISTANCES_TO_CHECK); -} - -/* Find a longest backward match of &data[cur_ix] up to the length of - max_length and stores the position cur_ix in the hash table. - - REQUIRES: FN(PrepareDistanceCache) must be invoked for current distance cache - values; if this method is invoked repeatedly with the same distance - cache values, it is enough to invoke FN(PrepareDistanceCache) once. - - Does not look for matches longer than max_length. - Does not look for matches further away than max_backward. - Writes the best match into |out|. - |out|->score is updated only if a better match is found. */ -static BROTLI_INLINE void FN(FindLongestMatch)( - HashForgetfulChain* BROTLI_RESTRICT self, - const BrotliEncoderDictionary* dictionary, - const uint8_t* BROTLI_RESTRICT data, const size_t ring_buffer_mask, - const int* BROTLI_RESTRICT distance_cache, - const size_t cur_ix, const size_t max_length, const size_t max_backward, - const size_t dictionary_distance, const size_t max_distance, - HasherSearchResult* BROTLI_RESTRICT out) { - uint32_t* BROTLI_RESTRICT addr = FN(Addr)(self->extra[0]); - uint16_t* BROTLI_RESTRICT head = FN(Head)(self->extra[0]); - uint8_t* BROTLI_RESTRICT tiny_hashes = FN(TinyHash)(self->extra[0]); - FN(Bank)* BROTLI_RESTRICT banks = FN(Banks)(self->extra[1]); - const size_t cur_ix_masked = cur_ix & ring_buffer_mask; - /* Don't accept a short copy from far away. */ - score_t min_score = out->score; - score_t best_score = out->score; - size_t best_len = out->len; - size_t i; - const size_t key = FN(HashBytes)(&data[cur_ix_masked]); - const uint8_t tiny_hash = (uint8_t)(key); - out->len = 0; - out->len_code_delta = 0; - /* Try last distance first. */ - for (i = 0; i < NUM_LAST_DISTANCES_TO_CHECK; ++i) { - const size_t backward = (size_t)distance_cache[i]; - size_t prev_ix = (cur_ix - backward); - /* For distance code 0 we want to consider 2-byte matches. */ - if (i > 0 && tiny_hashes[(uint16_t)prev_ix] != tiny_hash) continue; - if (prev_ix >= cur_ix || backward > max_backward) { - continue; - } - prev_ix &= ring_buffer_mask; - { - const size_t len = FindMatchLengthWithLimit(&data[prev_ix], - &data[cur_ix_masked], - max_length); - if (len >= 2) { - score_t score = BackwardReferenceScoreUsingLastDistance(len); - if (best_score < score) { - if (i != 0) score -= BackwardReferencePenaltyUsingLastDistance(i); - if (best_score < score) { - best_score = score; - best_len = len; - out->len = best_len; - out->distance = backward; - out->score = best_score; - } - } - } - } - } - { - const size_t bank = key & (NUM_BANKS - 1); - size_t backward = 0; - size_t hops = self->max_hops; - size_t delta = cur_ix - addr[key]; - size_t slot = head[key]; - while (hops--) { - size_t prev_ix; - size_t last = slot; - backward += delta; - if (backward > max_backward || (CAPPED_CHAINS && !delta)) break; - prev_ix = (cur_ix - backward) & ring_buffer_mask; - slot = banks[bank].slots[last].next; - delta = banks[bank].slots[last].delta; - if (cur_ix_masked + best_len > ring_buffer_mask || - prev_ix + best_len > ring_buffer_mask || - data[cur_ix_masked + best_len] != data[prev_ix + best_len]) { - continue; - } - { - const size_t len = FindMatchLengthWithLimit(&data[prev_ix], - &data[cur_ix_masked], - max_length); - if (len >= 4) { - /* Comparing for >= 3 does not change the semantics, but just saves - for a few unnecessary binary logarithms in backward reference - score, since we are not interested in such short matches. */ - score_t score = BackwardReferenceScore(len, backward); - if (best_score < score) { - best_score = score; - best_len = len; - out->len = best_len; - out->distance = backward; - out->score = best_score; - } - } - } - } - FN(Store)(self, data, ring_buffer_mask, cur_ix); - } - if (out->score == min_score) { - SearchInStaticDictionary(dictionary, - self->common, &data[cur_ix_masked], max_length, dictionary_distance, - max_distance, out, BROTLI_FALSE); - } -} - -#undef BANK_SIZE -#undef BUCKET_SIZE -#undef CAPPED_CHAINS - -#undef HashForgetfulChain diff --git a/src/deps/brotli/enc/hash_longest_match64_inc.h b/src/deps/brotli/enc/hash_longest_match64_inc.h deleted file mode 100644 index e48fc61554..0000000000 --- a/src/deps/brotli/enc/hash_longest_match64_inc.h +++ /dev/null @@ -1,262 +0,0 @@ -/* NOLINT(build/header_guard) */ -/* Copyright 2010 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* template parameters: FN */ - -/* A (forgetful) hash table to the data seen by the compressor, to - help create backward references to previous data. - - This is a hash map of fixed size (bucket_size_) to a ring buffer of - fixed size (block_size_). The ring buffer contains the last block_size_ - index positions of the given hash key in the compressed data. */ - -#define HashLongestMatch HASHER() - -static BROTLI_INLINE size_t FN(HashTypeLength)(void) { return 8; } -static BROTLI_INLINE size_t FN(StoreLookahead)(void) { return 8; } - -/* HashBytes is the function that chooses the bucket to place the address in. */ -static BROTLI_INLINE size_t FN(HashBytes)(const uint8_t* BROTLI_RESTRICT data, - uint64_t hash_mul) { - const uint64_t h = BROTLI_UNALIGNED_LOAD64LE(data) * hash_mul; - /* The higher bits contain more mixture from the multiplication, - so we take our results from there. */ - return (size_t)(h >> (64 - 15)); -} - -typedef struct HashLongestMatch { - /* Number of hash buckets. */ - size_t bucket_size_; - /* Only block_size_ newest backward references are kept, - and the older are forgotten. */ - size_t block_size_; - /* Hash multiplier tuned to match length. */ - uint64_t hash_mul_; - /* Mask for accessing entries in a block (in a ring-buffer manner). */ - uint32_t block_mask_; - - int block_bits_; - int num_last_distances_to_check_; - - /* Shortcuts. */ - HasherCommon* common_; - - /* --- Dynamic size members --- */ - - /* Number of entries in a particular bucket. */ - uint16_t* num_; /* uint16_t[bucket_size]; */ - - /* Buckets containing block_size_ of backward references. */ - uint32_t* buckets_; /* uint32_t[bucket_size * block_size]; */ -} HashLongestMatch; - -static void FN(Initialize)( - HasherCommon* common, HashLongestMatch* BROTLI_RESTRICT self, - const BrotliEncoderParams* params) { - self->common_ = common; - - BROTLI_UNUSED(params); - self->hash_mul_ = kHashMul64 << (64 - 5 * 8); - BROTLI_DCHECK(common->params.bucket_bits == 15); - self->bucket_size_ = (size_t)1 << common->params.bucket_bits; - self->block_bits_ = common->params.block_bits; - self->block_size_ = (size_t)1 << common->params.block_bits; - self->block_mask_ = (uint32_t)(self->block_size_ - 1); - self->num_last_distances_to_check_ = - common->params.num_last_distances_to_check; - self->num_ = (uint16_t*)common->extra[0]; - self->buckets_ = (uint32_t*)common->extra[1]; -} - -static void FN(Prepare)( - HashLongestMatch* BROTLI_RESTRICT self, BROTLI_BOOL one_shot, - size_t input_size, const uint8_t* BROTLI_RESTRICT data) { - uint16_t* BROTLI_RESTRICT num = self->num_; - /* Partial preparation is 100 times slower (per socket). */ - size_t partial_prepare_threshold = self->bucket_size_ >> 6; - if (one_shot && input_size <= partial_prepare_threshold) { - size_t i; - for (i = 0; i < input_size; ++i) { - const size_t key = FN(HashBytes)(&data[i], self->hash_mul_); - num[key] = 0; - } - } else { - memset(num, 0, self->bucket_size_ * sizeof(num[0])); - } -} - -static BROTLI_INLINE void FN(HashMemAllocInBytes)( - const BrotliEncoderParams* params, BROTLI_BOOL one_shot, - size_t input_size, size_t* alloc_size) { - size_t bucket_size = (size_t)1 << params->hasher.bucket_bits; - size_t block_size = (size_t)1 << params->hasher.block_bits; - BROTLI_UNUSED(one_shot); - BROTLI_UNUSED(input_size); - alloc_size[0] = sizeof(uint16_t) * bucket_size; - alloc_size[1] = sizeof(uint32_t) * bucket_size * block_size; -} - -/* Look at 4 bytes at &data[ix & mask]. - Compute a hash from these, and store the value of ix at that position. */ -static BROTLI_INLINE void FN(Store)( - HashLongestMatch* BROTLI_RESTRICT self, const uint8_t* BROTLI_RESTRICT data, - const size_t mask, const size_t ix) { - uint16_t* BROTLI_RESTRICT num = self->num_; - uint32_t* BROTLI_RESTRICT buckets = self->buckets_; - const size_t key = FN(HashBytes)(&data[ix & mask], self->hash_mul_); - const size_t minor_ix = num[key] & self->block_mask_; - const size_t offset = minor_ix + (key << self->block_bits_); - ++num[key]; - buckets[offset] = (uint32_t)ix; -} - -static BROTLI_INLINE void FN(StoreRange)(HashLongestMatch* BROTLI_RESTRICT self, - const uint8_t* BROTLI_RESTRICT data, const size_t mask, - const size_t ix_start, const size_t ix_end) { - size_t i; - for (i = ix_start; i < ix_end; ++i) { - FN(Store)(self, data, mask, i); - } -} - -static BROTLI_INLINE void FN(StitchToPreviousBlock)( - HashLongestMatch* BROTLI_RESTRICT self, - size_t num_bytes, size_t position, const uint8_t* ringbuffer, - size_t ringbuffer_mask) { - if (num_bytes >= FN(HashTypeLength)() - 1 && position >= 3) { - /* Prepare the hashes for three last bytes of the last write. - These could not be calculated before, since they require knowledge - of both the previous and the current block. */ - FN(Store)(self, ringbuffer, ringbuffer_mask, position - 3); - FN(Store)(self, ringbuffer, ringbuffer_mask, position - 2); - FN(Store)(self, ringbuffer, ringbuffer_mask, position - 1); - } -} - -static BROTLI_INLINE void FN(PrepareDistanceCache)( - HashLongestMatch* BROTLI_RESTRICT self, - int* BROTLI_RESTRICT distance_cache) { - PrepareDistanceCache(distance_cache, self->num_last_distances_to_check_); -} - -/* Find a longest backward match of &data[cur_ix] up to the length of - max_length and stores the position cur_ix in the hash table. - - REQUIRES: FN(PrepareDistanceCache) must be invoked for current distance cache - values; if this method is invoked repeatedly with the same distance - cache values, it is enough to invoke FN(PrepareDistanceCache) once. - - Does not look for matches longer than max_length. - Does not look for matches further away than max_backward. - Writes the best match into |out|. - |out|->score is updated only if a better match is found. */ -static BROTLI_INLINE void FN(FindLongestMatch)( - HashLongestMatch* BROTLI_RESTRICT self, - const BrotliEncoderDictionary* dictionary, - const uint8_t* BROTLI_RESTRICT data, const size_t ring_buffer_mask, - const int* BROTLI_RESTRICT distance_cache, const size_t cur_ix, - const size_t max_length, const size_t max_backward, - const size_t dictionary_distance, const size_t max_distance, - HasherSearchResult* BROTLI_RESTRICT out) { - uint16_t* BROTLI_RESTRICT num = self->num_; - uint32_t* BROTLI_RESTRICT buckets = self->buckets_; - const size_t cur_ix_masked = cur_ix & ring_buffer_mask; - /* Don't accept a short copy from far away. */ - score_t min_score = out->score; - score_t best_score = out->score; - size_t best_len = out->len; - size_t i; - out->len = 0; - out->len_code_delta = 0; - /* Try last distance first. */ - for (i = 0; i < (size_t)self->num_last_distances_to_check_; ++i) { - const size_t backward = (size_t)distance_cache[i]; - size_t prev_ix = (size_t)(cur_ix - backward); - if (prev_ix >= cur_ix) { - continue; - } - if (BROTLI_PREDICT_FALSE(backward > max_backward)) { - continue; - } - prev_ix &= ring_buffer_mask; - - if (cur_ix_masked + best_len > ring_buffer_mask || - prev_ix + best_len > ring_buffer_mask || - data[cur_ix_masked + best_len] != data[prev_ix + best_len]) { - continue; - } - { - const size_t len = FindMatchLengthWithLimit(&data[prev_ix], - &data[cur_ix_masked], - max_length); - if (len >= 3 || (len == 2 && i < 2)) { - /* Comparing for >= 2 does not change the semantics, but just saves for - a few unnecessary binary logarithms in backward reference score, - since we are not interested in such short matches. */ - score_t score = BackwardReferenceScoreUsingLastDistance(len); - if (best_score < score) { - if (i != 0) score -= BackwardReferencePenaltyUsingLastDistance(i); - if (best_score < score) { - best_score = score; - best_len = len; - out->len = best_len; - out->distance = backward; - out->score = best_score; - } - } - } - } - } - { - const size_t key = FN(HashBytes)(&data[cur_ix_masked], self->hash_mul_); - uint32_t* BROTLI_RESTRICT bucket = &buckets[key << self->block_bits_]; - const size_t down = - (num[key] > self->block_size_) ? - (num[key] - self->block_size_) : 0u; - const uint32_t first4 = BrotliUnalignedRead32(data + cur_ix_masked); - const size_t max_length_m4 = max_length - 4; - i = num[key]; - for (; i > down;) { - size_t prev_ix = bucket[--i & self->block_mask_]; - uint32_t current4; - const size_t backward = cur_ix - prev_ix; - if (BROTLI_PREDICT_FALSE(backward > max_backward)) { - break; - } - prev_ix &= ring_buffer_mask; - if (cur_ix_masked + best_len > ring_buffer_mask || - prev_ix + best_len > ring_buffer_mask || - data[cur_ix_masked + best_len] != data[prev_ix + best_len]) { - continue; - } - current4 = BrotliUnalignedRead32(data + prev_ix); - if (first4 != current4) continue; - { - const size_t len = FindMatchLengthWithLimit(&data[prev_ix + 4], - &data[cur_ix_masked + 4], - max_length_m4) + 4; - const score_t score = BackwardReferenceScore(len, backward); - if (best_score < score) { - best_score = score; - best_len = len; - out->len = best_len; - out->distance = backward; - out->score = best_score; - } - } - } - bucket[num[key] & self->block_mask_] = (uint32_t)cur_ix; - ++num[key]; - } - if (min_score == out->score) { - SearchInStaticDictionary(dictionary, - self->common_, &data[cur_ix_masked], max_length, dictionary_distance, - max_distance, out, BROTLI_FALSE); - } -} - -#undef HashLongestMatch diff --git a/src/deps/brotli/enc/hash_longest_match_inc.h b/src/deps/brotli/enc/hash_longest_match_inc.h deleted file mode 100644 index 788e9ef993..0000000000 --- a/src/deps/brotli/enc/hash_longest_match_inc.h +++ /dev/null @@ -1,258 +0,0 @@ -/* NOLINT(build/header_guard) */ -/* Copyright 2010 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* template parameters: FN */ - -/* A (forgetful) hash table to the data seen by the compressor, to - help create backward references to previous data. - - This is a hash map of fixed size (bucket_size_) to a ring buffer of - fixed size (block_size_). The ring buffer contains the last block_size_ - index positions of the given hash key in the compressed data. */ - -#define HashLongestMatch HASHER() - -static BROTLI_INLINE size_t FN(HashTypeLength)(void) { return 4; } -static BROTLI_INLINE size_t FN(StoreLookahead)(void) { return 4; } - -/* HashBytes is the function that chooses the bucket to place the address in. */ -static uint32_t FN(HashBytes)( - const uint8_t* BROTLI_RESTRICT data, const int shift) { - uint32_t h = BROTLI_UNALIGNED_LOAD32LE(data) * kHashMul32; - /* The higher bits contain more mixture from the multiplication, - so we take our results from there. */ - return (uint32_t)(h >> shift); -} - -typedef struct HashLongestMatch { - /* Number of hash buckets. */ - size_t bucket_size_; - /* Only block_size_ newest backward references are kept, - and the older are forgotten. */ - size_t block_size_; - /* Left-shift for computing hash bucket index from hash value. */ - int hash_shift_; - /* Mask for accessing entries in a block (in a ring-buffer manner). */ - uint32_t block_mask_; - - int block_bits_; - int num_last_distances_to_check_; - - /* Shortcuts. */ - HasherCommon* common_; - - /* --- Dynamic size members --- */ - - /* Number of entries in a particular bucket. */ - uint16_t* num_; /* uint16_t[bucket_size]; */ - - /* Buckets containing block_size_ of backward references. */ - uint32_t* buckets_; /* uint32_t[bucket_size * block_size]; */ -} HashLongestMatch; - -static void FN(Initialize)( - HasherCommon* common, HashLongestMatch* BROTLI_RESTRICT self, - const BrotliEncoderParams* params) { - self->common_ = common; - - BROTLI_UNUSED(params); - self->hash_shift_ = 32 - common->params.bucket_bits; - self->bucket_size_ = (size_t)1 << common->params.bucket_bits; - self->block_size_ = (size_t)1 << common->params.block_bits; - self->block_mask_ = (uint32_t)(self->block_size_ - 1); - self->num_ = (uint16_t*)common->extra[0]; - self->buckets_ = (uint32_t*)common->extra[1]; - self->block_bits_ = common->params.block_bits; - self->num_last_distances_to_check_ = - common->params.num_last_distances_to_check; -} - -static void FN(Prepare)( - HashLongestMatch* BROTLI_RESTRICT self, BROTLI_BOOL one_shot, - size_t input_size, const uint8_t* BROTLI_RESTRICT data) { - uint16_t* BROTLI_RESTRICT num = self->num_; - /* Partial preparation is 100 times slower (per socket). */ - size_t partial_prepare_threshold = self->bucket_size_ >> 6; - if (one_shot && input_size <= partial_prepare_threshold) { - size_t i; - for (i = 0; i < input_size; ++i) { - const uint32_t key = FN(HashBytes)(&data[i], self->hash_shift_); - num[key] = 0; - } - } else { - memset(num, 0, self->bucket_size_ * sizeof(num[0])); - } -} - -static BROTLI_INLINE void FN(HashMemAllocInBytes)( - const BrotliEncoderParams* params, BROTLI_BOOL one_shot, - size_t input_size, size_t* alloc_size) { - size_t bucket_size = (size_t)1 << params->hasher.bucket_bits; - size_t block_size = (size_t)1 << params->hasher.block_bits; - BROTLI_UNUSED(one_shot); - BROTLI_UNUSED(input_size); - alloc_size[0] = sizeof(uint16_t) * bucket_size; - alloc_size[1] = sizeof(uint32_t) * bucket_size * block_size; -} - -/* Look at 4 bytes at &data[ix & mask]. - Compute a hash from these, and store the value of ix at that position. */ -static BROTLI_INLINE void FN(Store)( - HashLongestMatch* BROTLI_RESTRICT self, const uint8_t* BROTLI_RESTRICT data, - const size_t mask, const size_t ix) { - const uint32_t key = FN(HashBytes)(&data[ix & mask], self->hash_shift_); - const size_t minor_ix = self->num_[key] & self->block_mask_; - const size_t offset = minor_ix + (key << self->block_bits_); - self->buckets_[offset] = (uint32_t)ix; - ++self->num_[key]; -} - -static BROTLI_INLINE void FN(StoreRange)(HashLongestMatch* BROTLI_RESTRICT self, - const uint8_t* BROTLI_RESTRICT data, const size_t mask, - const size_t ix_start, const size_t ix_end) { - size_t i; - for (i = ix_start; i < ix_end; ++i) { - FN(Store)(self, data, mask, i); - } -} - -static BROTLI_INLINE void FN(StitchToPreviousBlock)( - HashLongestMatch* BROTLI_RESTRICT self, - size_t num_bytes, size_t position, const uint8_t* ringbuffer, - size_t ringbuffer_mask) { - if (num_bytes >= FN(HashTypeLength)() - 1 && position >= 3) { - /* Prepare the hashes for three last bytes of the last write. - These could not be calculated before, since they require knowledge - of both the previous and the current block. */ - FN(Store)(self, ringbuffer, ringbuffer_mask, position - 3); - FN(Store)(self, ringbuffer, ringbuffer_mask, position - 2); - FN(Store)(self, ringbuffer, ringbuffer_mask, position - 1); - } -} - -static BROTLI_INLINE void FN(PrepareDistanceCache)( - HashLongestMatch* BROTLI_RESTRICT self, - int* BROTLI_RESTRICT distance_cache) { - PrepareDistanceCache(distance_cache, self->num_last_distances_to_check_); -} - -/* Find a longest backward match of &data[cur_ix] up to the length of - max_length and stores the position cur_ix in the hash table. - - REQUIRES: FN(PrepareDistanceCache) must be invoked for current distance cache - values; if this method is invoked repeatedly with the same distance - cache values, it is enough to invoke FN(PrepareDistanceCache) once. - - Does not look for matches longer than max_length. - Does not look for matches further away than max_backward. - Writes the best match into |out|. - |out|->score is updated only if a better match is found. */ -static BROTLI_INLINE void FN(FindLongestMatch)( - HashLongestMatch* BROTLI_RESTRICT self, - const BrotliEncoderDictionary* dictionary, - const uint8_t* BROTLI_RESTRICT data, const size_t ring_buffer_mask, - const int* BROTLI_RESTRICT distance_cache, const size_t cur_ix, - const size_t max_length, const size_t max_backward, - const size_t dictionary_distance, const size_t max_distance, - HasherSearchResult* BROTLI_RESTRICT out) { - uint16_t* BROTLI_RESTRICT num = self->num_; - uint32_t* BROTLI_RESTRICT buckets = self->buckets_; - const size_t cur_ix_masked = cur_ix & ring_buffer_mask; - /* Don't accept a short copy from far away. */ - score_t min_score = out->score; - score_t best_score = out->score; - size_t best_len = out->len; - size_t i; - out->len = 0; - out->len_code_delta = 0; - /* Try last distance first. */ - for (i = 0; i < (size_t)self->num_last_distances_to_check_; ++i) { - const size_t backward = (size_t)distance_cache[i]; - size_t prev_ix = (size_t)(cur_ix - backward); - if (prev_ix >= cur_ix) { - continue; - } - if (BROTLI_PREDICT_FALSE(backward > max_backward)) { - continue; - } - prev_ix &= ring_buffer_mask; - - if (cur_ix_masked + best_len > ring_buffer_mask || - prev_ix + best_len > ring_buffer_mask || - data[cur_ix_masked + best_len] != data[prev_ix + best_len]) { - continue; - } - { - const size_t len = FindMatchLengthWithLimit(&data[prev_ix], - &data[cur_ix_masked], - max_length); - if (len >= 3 || (len == 2 && i < 2)) { - /* Comparing for >= 2 does not change the semantics, but just saves for - a few unnecessary binary logarithms in backward reference score, - since we are not interested in such short matches. */ - score_t score = BackwardReferenceScoreUsingLastDistance(len); - if (best_score < score) { - if (i != 0) score -= BackwardReferencePenaltyUsingLastDistance(i); - if (best_score < score) { - best_score = score; - best_len = len; - out->len = best_len; - out->distance = backward; - out->score = best_score; - } - } - } - } - } - { - const uint32_t key = - FN(HashBytes)(&data[cur_ix_masked], self->hash_shift_); - uint32_t* BROTLI_RESTRICT bucket = &buckets[key << self->block_bits_]; - const size_t down = - (num[key] > self->block_size_) ? (num[key] - self->block_size_) : 0u; - for (i = num[key]; i > down;) { - size_t prev_ix = bucket[--i & self->block_mask_]; - const size_t backward = cur_ix - prev_ix; - if (BROTLI_PREDICT_FALSE(backward > max_backward)) { - break; - } - prev_ix &= ring_buffer_mask; - if (cur_ix_masked + best_len > ring_buffer_mask || - prev_ix + best_len > ring_buffer_mask || - data[cur_ix_masked + best_len] != data[prev_ix + best_len]) { - continue; - } - { - const size_t len = FindMatchLengthWithLimit(&data[prev_ix], - &data[cur_ix_masked], - max_length); - if (len >= 4) { - /* Comparing for >= 3 does not change the semantics, but just saves - for a few unnecessary binary logarithms in backward reference - score, since we are not interested in such short matches. */ - score_t score = BackwardReferenceScore(len, backward); - if (best_score < score) { - best_score = score; - best_len = len; - out->len = best_len; - out->distance = backward; - out->score = best_score; - } - } - } - } - bucket[num[key] & self->block_mask_] = (uint32_t)cur_ix; - ++num[key]; - } - if (min_score == out->score) { - SearchInStaticDictionary(dictionary, - self->common_, &data[cur_ix_masked], max_length, dictionary_distance, - max_distance, out, BROTLI_FALSE); - } -} - -#undef HashLongestMatch diff --git a/src/deps/brotli/enc/hash_longest_match_quickly_inc.h b/src/deps/brotli/enc/hash_longest_match_quickly_inc.h deleted file mode 100644 index 54397ef891..0000000000 --- a/src/deps/brotli/enc/hash_longest_match_quickly_inc.h +++ /dev/null @@ -1,266 +0,0 @@ -/* NOLINT(build/header_guard) */ -/* Copyright 2010 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* template parameters: FN, BUCKET_BITS, BUCKET_SWEEP_BITS, HASH_LEN, - USE_DICTIONARY - */ - -#define HashLongestMatchQuickly HASHER() - -#define BUCKET_SIZE (1 << BUCKET_BITS) -#define BUCKET_MASK (BUCKET_SIZE - 1) -#define BUCKET_SWEEP (1 << BUCKET_SWEEP_BITS) -#define BUCKET_SWEEP_MASK ((BUCKET_SWEEP - 1) << 3) - -static BROTLI_INLINE size_t FN(HashTypeLength)(void) { return 8; } -static BROTLI_INLINE size_t FN(StoreLookahead)(void) { return 8; } - -/* HashBytes is the function that chooses the bucket to place - the address in. The HashLongestMatch and HashLongestMatchQuickly - classes have separate, different implementations of hashing. */ -static uint32_t FN(HashBytes)(const uint8_t* data) { - const uint64_t h = ((BROTLI_UNALIGNED_LOAD64LE(data) << (64 - 8 * HASH_LEN)) * - kHashMul64); - /* The higher bits contain more mixture from the multiplication, - so we take our results from there. */ - return (uint32_t)(h >> (64 - BUCKET_BITS)); -} - -/* A (forgetful) hash table to the data seen by the compressor, to - help create backward references to previous data. - - This is a hash map of fixed size (BUCKET_SIZE). */ -typedef struct HashLongestMatchQuickly { - /* Shortcuts. */ - HasherCommon* common; - - /* --- Dynamic size members --- */ - - uint32_t* buckets_; /* uint32_t[BUCKET_SIZE]; */ -} HashLongestMatchQuickly; - -static void FN(Initialize)( - HasherCommon* common, HashLongestMatchQuickly* BROTLI_RESTRICT self, - const BrotliEncoderParams* params) { - self->common = common; - - BROTLI_UNUSED(params); - self->buckets_ = (uint32_t*)common->extra[0]; -} - -static void FN(Prepare)( - HashLongestMatchQuickly* BROTLI_RESTRICT self, BROTLI_BOOL one_shot, - size_t input_size, const uint8_t* BROTLI_RESTRICT data) { - uint32_t* BROTLI_RESTRICT buckets = self->buckets_; - /* Partial preparation is 100 times slower (per socket). */ - size_t partial_prepare_threshold = BUCKET_SIZE >> 5; - if (one_shot && input_size <= partial_prepare_threshold) { - size_t i; - for (i = 0; i < input_size; ++i) { - const uint32_t key = FN(HashBytes)(&data[i]); - if (BUCKET_SWEEP == 1) { - buckets[key] = 0; - } else { - uint32_t j; - for (j = 0; j < BUCKET_SWEEP; ++j) { - buckets[(key + (j << 3)) & BUCKET_MASK] = 0; - } - } - } - } else { - /* It is not strictly necessary to fill this buffer here, but - not filling will make the results of the compression stochastic - (but correct). This is because random data would cause the - system to find accidentally good backward references here and there. */ - memset(buckets, 0, sizeof(uint32_t) * BUCKET_SIZE); - } -} - -static BROTLI_INLINE void FN(HashMemAllocInBytes)( - const BrotliEncoderParams* params, BROTLI_BOOL one_shot, - size_t input_size, size_t* alloc_size) { - BROTLI_UNUSED(params); - BROTLI_UNUSED(one_shot); - BROTLI_UNUSED(input_size); - alloc_size[0] = sizeof(uint32_t) * BUCKET_SIZE; -} - -/* Look at 5 bytes at &data[ix & mask]. - Compute a hash from these, and store the value somewhere within - [ix .. ix+3]. */ -static BROTLI_INLINE void FN(Store)( - HashLongestMatchQuickly* BROTLI_RESTRICT self, - const uint8_t* BROTLI_RESTRICT data, const size_t mask, const size_t ix) { - const uint32_t key = FN(HashBytes)(&data[ix & mask]); - if (BUCKET_SWEEP == 1) { - self->buckets_[key] = (uint32_t)ix; - } else { - /* Wiggle the value with the bucket sweep range. */ - const uint32_t off = ix & BUCKET_SWEEP_MASK; - self->buckets_[(key + off) & BUCKET_MASK] = (uint32_t)ix; - } -} - -static BROTLI_INLINE void FN(StoreRange)( - HashLongestMatchQuickly* BROTLI_RESTRICT self, - const uint8_t* BROTLI_RESTRICT data, const size_t mask, - const size_t ix_start, const size_t ix_end) { - size_t i; - for (i = ix_start; i < ix_end; ++i) { - FN(Store)(self, data, mask, i); - } -} - -static BROTLI_INLINE void FN(StitchToPreviousBlock)( - HashLongestMatchQuickly* BROTLI_RESTRICT self, - size_t num_bytes, size_t position, - const uint8_t* ringbuffer, size_t ringbuffer_mask) { - if (num_bytes >= FN(HashTypeLength)() - 1 && position >= 3) { - /* Prepare the hashes for three last bytes of the last write. - These could not be calculated before, since they require knowledge - of both the previous and the current block. */ - FN(Store)(self, ringbuffer, ringbuffer_mask, position - 3); - FN(Store)(self, ringbuffer, ringbuffer_mask, position - 2); - FN(Store)(self, ringbuffer, ringbuffer_mask, position - 1); - } -} - -static BROTLI_INLINE void FN(PrepareDistanceCache)( - HashLongestMatchQuickly* BROTLI_RESTRICT self, - int* BROTLI_RESTRICT distance_cache) { - BROTLI_UNUSED(self); - BROTLI_UNUSED(distance_cache); -} - -/* Find a longest backward match of &data[cur_ix & ring_buffer_mask] - up to the length of max_length and stores the position cur_ix in the - hash table. - - Does not look for matches longer than max_length. - Does not look for matches further away than max_backward. - Writes the best match into |out|. - |out|->score is updated only if a better match is found. */ -static BROTLI_INLINE void FN(FindLongestMatch)( - HashLongestMatchQuickly* BROTLI_RESTRICT self, - const BrotliEncoderDictionary* dictionary, - const uint8_t* BROTLI_RESTRICT data, - const size_t ring_buffer_mask, const int* BROTLI_RESTRICT distance_cache, - const size_t cur_ix, const size_t max_length, const size_t max_backward, - const size_t dictionary_distance, const size_t max_distance, - HasherSearchResult* BROTLI_RESTRICT out) { - uint32_t* BROTLI_RESTRICT buckets = self->buckets_; - const size_t best_len_in = out->len; - const size_t cur_ix_masked = cur_ix & ring_buffer_mask; - int compare_char = data[cur_ix_masked + best_len_in]; - size_t key = FN(HashBytes)(&data[cur_ix_masked]); - size_t key_out; - score_t min_score = out->score; - score_t best_score = out->score; - size_t best_len = best_len_in; - size_t cached_backward = (size_t)distance_cache[0]; - size_t prev_ix = cur_ix - cached_backward; - out->len_code_delta = 0; - if (prev_ix < cur_ix) { - prev_ix &= (uint32_t)ring_buffer_mask; - if (compare_char == data[prev_ix + best_len]) { - const size_t len = FindMatchLengthWithLimit( - &data[prev_ix], &data[cur_ix_masked], max_length); - if (len >= 4) { - const score_t score = BackwardReferenceScoreUsingLastDistance(len); - if (best_score < score) { - out->len = len; - out->distance = cached_backward; - out->score = score; - if (BUCKET_SWEEP == 1) { - buckets[key] = (uint32_t)cur_ix; - return; - } else { - best_len = len; - best_score = score; - compare_char = data[cur_ix_masked + len]; - } - } - } - } - } - if (BUCKET_SWEEP == 1) { - size_t backward; - size_t len; - /* Only one to look for, don't bother to prepare for a loop. */ - prev_ix = buckets[key]; - buckets[key] = (uint32_t)cur_ix; - backward = cur_ix - prev_ix; - prev_ix &= (uint32_t)ring_buffer_mask; - if (compare_char != data[prev_ix + best_len_in]) { - return; - } - if (BROTLI_PREDICT_FALSE(backward == 0 || backward > max_backward)) { - return; - } - len = FindMatchLengthWithLimit(&data[prev_ix], - &data[cur_ix_masked], - max_length); - if (len >= 4) { - const score_t score = BackwardReferenceScore(len, backward); - if (best_score < score) { - out->len = len; - out->distance = backward; - out->score = score; - return; - } - } - } else { - size_t keys[BUCKET_SWEEP]; - size_t i; - for (i = 0; i < BUCKET_SWEEP; ++i) { - keys[i] = (key + (i << 3)) & BUCKET_MASK; - } - key_out = keys[(cur_ix & BUCKET_SWEEP_MASK) >> 3]; - for (i = 0; i < BUCKET_SWEEP; ++i) { - size_t len; - size_t backward; - prev_ix = buckets[keys[i]]; - backward = cur_ix - prev_ix; - prev_ix &= (uint32_t)ring_buffer_mask; - if (compare_char != data[prev_ix + best_len]) { - continue; - } - if (BROTLI_PREDICT_FALSE(backward == 0 || backward > max_backward)) { - continue; - } - len = FindMatchLengthWithLimit(&data[prev_ix], - &data[cur_ix_masked], - max_length); - if (len >= 4) { - const score_t score = BackwardReferenceScore(len, backward); - if (best_score < score) { - best_len = len; - out->len = len; - compare_char = data[cur_ix_masked + len]; - best_score = score; - out->score = score; - out->distance = backward; - } - } - } - } - if (USE_DICTIONARY && min_score == out->score) { - SearchInStaticDictionary(dictionary, - self->common, &data[cur_ix_masked], max_length, dictionary_distance, - max_distance, out, BROTLI_TRUE); - } - if (BUCKET_SWEEP != 1) { - buckets[key_out] = (uint32_t)cur_ix; - } -} - -#undef BUCKET_SWEEP_MASK -#undef BUCKET_SWEEP -#undef BUCKET_MASK -#undef BUCKET_SIZE - -#undef HashLongestMatchQuickly diff --git a/src/deps/brotli/enc/hash_rolling_inc.h b/src/deps/brotli/enc/hash_rolling_inc.h deleted file mode 100644 index 4c7a6b199a..0000000000 --- a/src/deps/brotli/enc/hash_rolling_inc.h +++ /dev/null @@ -1,212 +0,0 @@ -/* NOLINT(build/header_guard) */ -/* Copyright 2018 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* template parameters: FN, JUMP, NUMBUCKETS, MASK, CHUNKLEN */ -/* NUMBUCKETS / (MASK + 1) = probability of storing and using hash code. */ -/* JUMP = skip bytes for speedup */ - -/* Rolling hash for long distance long string matches. Stores one position - per bucket, bucket key is computed over a long region. */ - -#define HashRolling HASHER() - -static const uint32_t FN(kRollingHashMul32) = 69069; -static const uint32_t FN(kInvalidPos) = 0xffffffff; - -/* This hasher uses a longer forward length, but returning a higher value here - will hurt compression by the main hasher when combined with a composite - hasher. The hasher tests for forward itself instead. */ -static BROTLI_INLINE size_t FN(HashTypeLength)(void) { return 4; } -static BROTLI_INLINE size_t FN(StoreLookahead)(void) { return 4; } - -/* Computes a code from a single byte. A lookup table of 256 values could be - used, but simply adding 1 works about as good. */ -static uint32_t FN(HashByte)(uint8_t byte) { - return (uint32_t)byte + 1u; -} - -static uint32_t FN(HashRollingFunctionInitial)(uint32_t state, uint8_t add, - uint32_t factor) { - return (uint32_t)(factor * state + FN(HashByte)(add)); -} - -static uint32_t FN(HashRollingFunction)(uint32_t state, uint8_t add, - uint8_t rem, uint32_t factor, - uint32_t factor_remove) { - return (uint32_t)(factor * state + - FN(HashByte)(add) - factor_remove * FN(HashByte)(rem)); -} - -typedef struct HashRolling { - uint32_t state; - uint32_t* table; - size_t next_ix; - - uint32_t chunk_len; - uint32_t factor; - uint32_t factor_remove; -} HashRolling; - -static void FN(Initialize)( - HasherCommon* common, HashRolling* BROTLI_RESTRICT self, - const BrotliEncoderParams* params) { - size_t i; - self->state = 0; - self->next_ix = 0; - - self->factor = FN(kRollingHashMul32); - - /* Compute the factor of the oldest byte to remove: factor**steps modulo - 0xffffffff (the multiplications rely on 32-bit overflow) */ - self->factor_remove = 1; - for (i = 0; i < CHUNKLEN; i += JUMP) { - self->factor_remove *= self->factor; - } - - self->table = (uint32_t*)common->extra[0]; - for (i = 0; i < NUMBUCKETS; i++) { - self->table[i] = FN(kInvalidPos); - } - - BROTLI_UNUSED(params); -} - -static void FN(Prepare)(HashRolling* BROTLI_RESTRICT self, BROTLI_BOOL one_shot, - size_t input_size, const uint8_t* BROTLI_RESTRICT data) { - size_t i; - /* Too small size, cannot use this hasher. */ - if (input_size < CHUNKLEN) return; - self->state = 0; - for (i = 0; i < CHUNKLEN; i += JUMP) { - self->state = FN(HashRollingFunctionInitial)( - self->state, data[i], self->factor); - } - BROTLI_UNUSED(one_shot); -} - -static BROTLI_INLINE void FN(HashMemAllocInBytes)( - const BrotliEncoderParams* params, BROTLI_BOOL one_shot, - size_t input_size, size_t* alloc_size) { - BROTLI_UNUSED(params); - BROTLI_UNUSED(one_shot); - BROTLI_UNUSED(input_size); - alloc_size[0] = NUMBUCKETS * sizeof(uint32_t); -} - -static BROTLI_INLINE void FN(Store)(HashRolling* BROTLI_RESTRICT self, - const uint8_t* BROTLI_RESTRICT data, const size_t mask, const size_t ix) { - BROTLI_UNUSED(self); - BROTLI_UNUSED(data); - BROTLI_UNUSED(mask); - BROTLI_UNUSED(ix); -} - -static BROTLI_INLINE void FN(StoreRange)(HashRolling* BROTLI_RESTRICT self, - const uint8_t* BROTLI_RESTRICT data, const size_t mask, - const size_t ix_start, const size_t ix_end) { - BROTLI_UNUSED(self); - BROTLI_UNUSED(data); - BROTLI_UNUSED(mask); - BROTLI_UNUSED(ix_start); - BROTLI_UNUSED(ix_end); -} - -static BROTLI_INLINE void FN(StitchToPreviousBlock)( - HashRolling* BROTLI_RESTRICT self, - size_t num_bytes, size_t position, const uint8_t* ringbuffer, - size_t ring_buffer_mask) { - /* In this case we must re-initialize the hasher from scratch from the - current position. */ - size_t position_masked; - size_t available = num_bytes; - if ((position & (JUMP - 1)) != 0) { - size_t diff = JUMP - (position & (JUMP - 1)); - available = (diff > available) ? 0 : (available - diff); - position += diff; - } - position_masked = position & ring_buffer_mask; - /* wrapping around ringbuffer not handled. */ - if (available > ring_buffer_mask - position_masked) { - available = ring_buffer_mask - position_masked; - } - - FN(Prepare)(self, BROTLI_FALSE, available, - ringbuffer + (position & ring_buffer_mask)); - self->next_ix = position; - BROTLI_UNUSED(num_bytes); -} - -static BROTLI_INLINE void FN(PrepareDistanceCache)( - HashRolling* BROTLI_RESTRICT self, - int* BROTLI_RESTRICT distance_cache) { - BROTLI_UNUSED(self); - BROTLI_UNUSED(distance_cache); -} - -static BROTLI_INLINE void FN(FindLongestMatch)( - HashRolling* BROTLI_RESTRICT self, - const BrotliEncoderDictionary* dictionary, - const uint8_t* BROTLI_RESTRICT data, const size_t ring_buffer_mask, - const int* BROTLI_RESTRICT distance_cache, const size_t cur_ix, - const size_t max_length, const size_t max_backward, - const size_t dictionary_distance, const size_t max_distance, - HasherSearchResult* BROTLI_RESTRICT out) { - const size_t cur_ix_masked = cur_ix & ring_buffer_mask; - size_t pos; - - if ((cur_ix & (JUMP - 1)) != 0) return; - - /* Not enough lookahead */ - if (max_length < CHUNKLEN) return; - - for (pos = self->next_ix; pos <= cur_ix; pos += JUMP) { - uint32_t code = self->state & MASK; - - uint8_t rem = data[pos & ring_buffer_mask]; - uint8_t add = data[(pos + CHUNKLEN) & ring_buffer_mask]; - size_t found_ix = FN(kInvalidPos); - - self->state = FN(HashRollingFunction)( - self->state, add, rem, self->factor, self->factor_remove); - - if (code < NUMBUCKETS) { - found_ix = self->table[code]; - self->table[code] = (uint32_t)pos; - if (pos == cur_ix && found_ix != FN(kInvalidPos)) { - /* The cast to 32-bit makes backward distances up to 4GB work even - if cur_ix is above 4GB, despite using 32-bit values in the table. */ - size_t backward = (uint32_t)(cur_ix - found_ix); - if (backward <= max_backward) { - const size_t found_ix_masked = found_ix & ring_buffer_mask; - const size_t len = FindMatchLengthWithLimit(&data[found_ix_masked], - &data[cur_ix_masked], - max_length); - if (len >= 4 && len > out->len) { - score_t score = BackwardReferenceScore(len, backward); - if (score > out->score) { - out->len = len; - out->distance = backward; - out->score = score; - out->len_code_delta = 0; - } - } - } - } - } - } - - self->next_ix = cur_ix + JUMP; - - /* NOTE: this hasher does not search in the dictionary. It is used as - backup-hasher, the main hasher already searches in it. */ - BROTLI_UNUSED(dictionary); - BROTLI_UNUSED(distance_cache); - BROTLI_UNUSED(dictionary_distance); - BROTLI_UNUSED(max_distance); -} - -#undef HashRolling diff --git a/src/deps/brotli/enc/hash_to_binary_tree_inc.h b/src/deps/brotli/enc/hash_to_binary_tree_inc.h deleted file mode 100644 index a639d2d4b0..0000000000 --- a/src/deps/brotli/enc/hash_to_binary_tree_inc.h +++ /dev/null @@ -1,330 +0,0 @@ -/* NOLINT(build/header_guard) */ -/* Copyright 2016 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* template parameters: FN, BUCKET_BITS, MAX_TREE_COMP_LENGTH, - MAX_TREE_SEARCH_DEPTH */ - -/* A (forgetful) hash table where each hash bucket contains a binary tree of - sequences whose first 4 bytes share the same hash code. - Each sequence is MAX_TREE_COMP_LENGTH long and is identified by its starting - position in the input data. The binary tree is sorted by the lexicographic - order of the sequences, and it is also a max-heap with respect to the - starting positions. */ - -#define HashToBinaryTree HASHER() - -#define BUCKET_SIZE (1 << BUCKET_BITS) - -static BROTLI_INLINE size_t FN(HashTypeLength)(void) { return 4; } -static BROTLI_INLINE size_t FN(StoreLookahead)(void) { - return MAX_TREE_COMP_LENGTH; -} - -static uint32_t FN(HashBytes)(const uint8_t* BROTLI_RESTRICT data) { - uint32_t h = BROTLI_UNALIGNED_LOAD32LE(data) * kHashMul32; - /* The higher bits contain more mixture from the multiplication, - so we take our results from there. */ - return h >> (32 - BUCKET_BITS); -} - -typedef struct HashToBinaryTree { - /* The window size minus 1 */ - size_t window_mask_; - - /* Hash table that maps the 4-byte hashes of the sequence to the last - position where this hash was found, which is the root of the binary - tree of sequences that share this hash bucket. */ - uint32_t* buckets_; /* uint32_t[BUCKET_SIZE]; */ - - /* A position used to mark a non-existent sequence, i.e. a tree is empty if - its root is at invalid_pos_ and a node is a leaf if both its children - are at invalid_pos_. */ - uint32_t invalid_pos_; - - /* --- Dynamic size members --- */ - - /* The union of the binary trees of each hash bucket. The root of the tree - corresponding to a hash is a sequence starting at buckets_[hash] and - the left and right children of a sequence starting at pos are - forest_[2 * pos] and forest_[2 * pos + 1]. */ - uint32_t* forest_; /* uint32_t[2 * num_nodes] */ -} HashToBinaryTree; - -static void FN(Initialize)( - HasherCommon* common, HashToBinaryTree* BROTLI_RESTRICT self, - const BrotliEncoderParams* params) { - self->buckets_ = (uint32_t*)common->extra[0]; - self->forest_ = (uint32_t*)common->extra[1]; - - self->window_mask_ = (1u << params->lgwin) - 1u; - self->invalid_pos_ = (uint32_t)(0 - self->window_mask_); -} - -static void FN(Prepare) - (HashToBinaryTree* BROTLI_RESTRICT self, BROTLI_BOOL one_shot, - size_t input_size, const uint8_t* BROTLI_RESTRICT data) { - uint32_t invalid_pos = self->invalid_pos_; - uint32_t i; - uint32_t* BROTLI_RESTRICT buckets = self->buckets_; - BROTLI_UNUSED(data); - BROTLI_UNUSED(one_shot); - BROTLI_UNUSED(input_size); - for (i = 0; i < BUCKET_SIZE; i++) { - buckets[i] = invalid_pos; - } -} - -static BROTLI_INLINE void FN(HashMemAllocInBytes)( - const BrotliEncoderParams* params, BROTLI_BOOL one_shot, - size_t input_size, size_t* alloc_size) { - size_t num_nodes = (size_t)1 << params->lgwin; - if (one_shot && input_size < num_nodes) { - num_nodes = input_size; - } - alloc_size[0] = sizeof(uint32_t) * BUCKET_SIZE; - alloc_size[1] = 2 * sizeof(uint32_t) * num_nodes; -} - -static BROTLI_INLINE size_t FN(LeftChildIndex)( - HashToBinaryTree* BROTLI_RESTRICT self, - const size_t pos) { - return 2 * (pos & self->window_mask_); -} - -static BROTLI_INLINE size_t FN(RightChildIndex)( - HashToBinaryTree* BROTLI_RESTRICT self, - const size_t pos) { - return 2 * (pos & self->window_mask_) + 1; -} - -/* Stores the hash of the next 4 bytes and in a single tree-traversal, the - hash bucket's binary tree is searched for matches and is re-rooted at the - current position. - - If less than MAX_TREE_COMP_LENGTH data is available, the hash bucket of the - current position is searched for matches, but the state of the hash table - is not changed, since we can not know the final sorting order of the - current (incomplete) sequence. - - This function must be called with increasing cur_ix positions. */ -static BROTLI_INLINE BackwardMatch* FN(StoreAndFindMatches)( - HashToBinaryTree* BROTLI_RESTRICT self, const uint8_t* BROTLI_RESTRICT data, - const size_t cur_ix, const size_t ring_buffer_mask, const size_t max_length, - const size_t max_backward, size_t* const BROTLI_RESTRICT best_len, - BackwardMatch* BROTLI_RESTRICT matches) { - const size_t cur_ix_masked = cur_ix & ring_buffer_mask; - const size_t max_comp_len = - BROTLI_MIN(size_t, max_length, MAX_TREE_COMP_LENGTH); - const BROTLI_BOOL should_reroot_tree = - TO_BROTLI_BOOL(max_length >= MAX_TREE_COMP_LENGTH); - const uint32_t key = FN(HashBytes)(&data[cur_ix_masked]); - uint32_t* BROTLI_RESTRICT buckets = self->buckets_; - uint32_t* BROTLI_RESTRICT forest = self->forest_; - size_t prev_ix = buckets[key]; - /* The forest index of the rightmost node of the left subtree of the new - root, updated as we traverse and re-root the tree of the hash bucket. */ - size_t node_left = FN(LeftChildIndex)(self, cur_ix); - /* The forest index of the leftmost node of the right subtree of the new - root, updated as we traverse and re-root the tree of the hash bucket. */ - size_t node_right = FN(RightChildIndex)(self, cur_ix); - /* The match length of the rightmost node of the left subtree of the new - root, updated as we traverse and re-root the tree of the hash bucket. */ - size_t best_len_left = 0; - /* The match length of the leftmost node of the right subtree of the new - root, updated as we traverse and re-root the tree of the hash bucket. */ - size_t best_len_right = 0; - size_t depth_remaining; - if (should_reroot_tree) { - buckets[key] = (uint32_t)cur_ix; - } - for (depth_remaining = MAX_TREE_SEARCH_DEPTH; ; --depth_remaining) { - const size_t backward = cur_ix - prev_ix; - const size_t prev_ix_masked = prev_ix & ring_buffer_mask; - if (backward == 0 || backward > max_backward || depth_remaining == 0) { - if (should_reroot_tree) { - forest[node_left] = self->invalid_pos_; - forest[node_right] = self->invalid_pos_; - } - break; - } - { - const size_t cur_len = BROTLI_MIN(size_t, best_len_left, best_len_right); - size_t len; - BROTLI_DCHECK(cur_len <= MAX_TREE_COMP_LENGTH); - len = cur_len + - FindMatchLengthWithLimit(&data[cur_ix_masked + cur_len], - &data[prev_ix_masked + cur_len], - max_length - cur_len); - BROTLI_DCHECK( - 0 == memcmp(&data[cur_ix_masked], &data[prev_ix_masked], len)); - if (matches && len > *best_len) { - *best_len = len; - InitBackwardMatch(matches++, backward, len); - } - if (len >= max_comp_len) { - if (should_reroot_tree) { - forest[node_left] = forest[FN(LeftChildIndex)(self, prev_ix)]; - forest[node_right] = forest[FN(RightChildIndex)(self, prev_ix)]; - } - break; - } - if (data[cur_ix_masked + len] > data[prev_ix_masked + len]) { - best_len_left = len; - if (should_reroot_tree) { - forest[node_left] = (uint32_t)prev_ix; - } - node_left = FN(RightChildIndex)(self, prev_ix); - prev_ix = forest[node_left]; - } else { - best_len_right = len; - if (should_reroot_tree) { - forest[node_right] = (uint32_t)prev_ix; - } - node_right = FN(LeftChildIndex)(self, prev_ix); - prev_ix = forest[node_right]; - } - } - } - return matches; -} - -/* Finds all backward matches of &data[cur_ix & ring_buffer_mask] up to the - length of max_length and stores the position cur_ix in the hash table. - - Sets *num_matches to the number of matches found, and stores the found - matches in matches[0] to matches[*num_matches - 1]. The matches will be - sorted by strictly increasing length and (non-strictly) increasing - distance. */ -static BROTLI_INLINE size_t FN(FindAllMatches)( - HashToBinaryTree* BROTLI_RESTRICT self, - const BrotliEncoderDictionary* dictionary, - const uint8_t* BROTLI_RESTRICT data, - const size_t ring_buffer_mask, const size_t cur_ix, - const size_t max_length, const size_t max_backward, - const size_t dictionary_distance, const BrotliEncoderParams* params, - BackwardMatch* matches) { - BackwardMatch* const orig_matches = matches; - const size_t cur_ix_masked = cur_ix & ring_buffer_mask; - size_t best_len = 1; - const size_t short_match_max_backward = - params->quality != HQ_ZOPFLIFICATION_QUALITY ? 16 : 64; - size_t stop = cur_ix - short_match_max_backward; - uint32_t dict_matches[BROTLI_MAX_STATIC_DICTIONARY_MATCH_LEN + 1]; - size_t i; - if (cur_ix < short_match_max_backward) { stop = 0; } - for (i = cur_ix - 1; i > stop && best_len <= 2; --i) { - size_t prev_ix = i; - const size_t backward = cur_ix - prev_ix; - if (BROTLI_PREDICT_FALSE(backward > max_backward)) { - break; - } - prev_ix &= ring_buffer_mask; - if (data[cur_ix_masked] != data[prev_ix] || - data[cur_ix_masked + 1] != data[prev_ix + 1]) { - continue; - } - { - const size_t len = - FindMatchLengthWithLimit(&data[prev_ix], &data[cur_ix_masked], - max_length); - if (len > best_len) { - best_len = len; - InitBackwardMatch(matches++, backward, len); - } - } - } - if (best_len < max_length) { - matches = FN(StoreAndFindMatches)(self, data, cur_ix, - ring_buffer_mask, max_length, max_backward, &best_len, matches); - } - for (i = 0; i <= BROTLI_MAX_STATIC_DICTIONARY_MATCH_LEN; ++i) { - dict_matches[i] = kInvalidMatch; - } - { - size_t minlen = BROTLI_MAX(size_t, 4, best_len + 1); - if (BrotliFindAllStaticDictionaryMatches(dictionary, - &data[cur_ix_masked], minlen, max_length, &dict_matches[0])) { - size_t maxlen = BROTLI_MIN( - size_t, BROTLI_MAX_STATIC_DICTIONARY_MATCH_LEN, max_length); - size_t l; - for (l = minlen; l <= maxlen; ++l) { - uint32_t dict_id = dict_matches[l]; - if (dict_id < kInvalidMatch) { - size_t distance = dictionary_distance + (dict_id >> 5) + 1; - if (distance <= params->dist.max_distance) { - InitDictionaryBackwardMatch(matches++, distance, l, dict_id & 31); - } - } - } - } - } - return (size_t)(matches - orig_matches); -} - -/* Stores the hash of the next 4 bytes and re-roots the binary tree at the - current sequence, without returning any matches. - REQUIRES: ix + MAX_TREE_COMP_LENGTH <= end-of-current-block */ -static BROTLI_INLINE void FN(Store)(HashToBinaryTree* BROTLI_RESTRICT self, - const uint8_t* BROTLI_RESTRICT data, - const size_t mask, const size_t ix) { - /* Maximum distance is window size - 16, see section 9.1. of the spec. */ - const size_t max_backward = self->window_mask_ - BROTLI_WINDOW_GAP + 1; - FN(StoreAndFindMatches)(self, data, ix, mask, MAX_TREE_COMP_LENGTH, - max_backward, NULL, NULL); -} - -static BROTLI_INLINE void FN(StoreRange)(HashToBinaryTree* BROTLI_RESTRICT self, - const uint8_t* BROTLI_RESTRICT data, const size_t mask, - const size_t ix_start, const size_t ix_end) { - size_t i = ix_start; - size_t j = ix_start; - if (ix_start + 63 <= ix_end) { - i = ix_end - 63; - } - if (ix_start + 512 <= i) { - for (; j < i; j += 8) { - FN(Store)(self, data, mask, j); - } - } - for (; i < ix_end; ++i) { - FN(Store)(self, data, mask, i); - } -} - -static BROTLI_INLINE void FN(StitchToPreviousBlock)( - HashToBinaryTree* BROTLI_RESTRICT self, - size_t num_bytes, size_t position, const uint8_t* ringbuffer, - size_t ringbuffer_mask) { - if (num_bytes >= FN(HashTypeLength)() - 1 && - position >= MAX_TREE_COMP_LENGTH) { - /* Store the last `MAX_TREE_COMP_LENGTH - 1` positions in the hasher. - These could not be calculated before, since they require knowledge - of both the previous and the current block. */ - const size_t i_start = position - MAX_TREE_COMP_LENGTH + 1; - const size_t i_end = BROTLI_MIN(size_t, position, i_start + num_bytes); - size_t i; - for (i = i_start; i < i_end; ++i) { - /* Maximum distance is window size - 16, see section 9.1. of the spec. - Furthermore, we have to make sure that we don't look further back - from the start of the next block than the window size, otherwise we - could access already overwritten areas of the ring-buffer. */ - const size_t max_backward = - self->window_mask_ - BROTLI_MAX(size_t, - BROTLI_WINDOW_GAP - 1, - position - i); - /* We know that i + MAX_TREE_COMP_LENGTH <= position + num_bytes, i.e. the - end of the current block and that we have at least - MAX_TREE_COMP_LENGTH tail in the ring-buffer. */ - FN(StoreAndFindMatches)(self, ringbuffer, i, ringbuffer_mask, - MAX_TREE_COMP_LENGTH, max_backward, NULL, NULL); - } - } -} - -#undef BUCKET_SIZE - -#undef HashToBinaryTree diff --git a/src/deps/brotli/enc/histogram.c b/src/deps/brotli/enc/histogram.c deleted file mode 100644 index 4dbb87f907..0000000000 --- a/src/deps/brotli/enc/histogram.c +++ /dev/null @@ -1,100 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Build per-context histograms of literals, commands and distance codes. */ - -#include "histogram.h" - -#include "../common/context.h" -#include "block_splitter.h" -#include "command.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -typedef struct BlockSplitIterator { - const BlockSplit* split_; /* Not owned. */ - size_t idx_; - size_t type_; - size_t length_; -} BlockSplitIterator; - -static void InitBlockSplitIterator(BlockSplitIterator* self, - const BlockSplit* split) { - self->split_ = split; - self->idx_ = 0; - self->type_ = 0; - self->length_ = split->lengths ? split->lengths[0] : 0; -} - -static void BlockSplitIteratorNext(BlockSplitIterator* self) { - if (self->length_ == 0) { - ++self->idx_; - self->type_ = self->split_->types[self->idx_]; - self->length_ = self->split_->lengths[self->idx_]; - } - --self->length_; -} - -void BrotliBuildHistogramsWithContext( - const Command* cmds, const size_t num_commands, - const BlockSplit* literal_split, const BlockSplit* insert_and_copy_split, - const BlockSplit* dist_split, const uint8_t* ringbuffer, size_t start_pos, - size_t mask, uint8_t prev_byte, uint8_t prev_byte2, - const ContextType* context_modes, HistogramLiteral* literal_histograms, - HistogramCommand* insert_and_copy_histograms, - HistogramDistance* copy_dist_histograms) { - size_t pos = start_pos; - BlockSplitIterator literal_it; - BlockSplitIterator insert_and_copy_it; - BlockSplitIterator dist_it; - size_t i; - - InitBlockSplitIterator(&literal_it, literal_split); - InitBlockSplitIterator(&insert_and_copy_it, insert_and_copy_split); - InitBlockSplitIterator(&dist_it, dist_split); - for (i = 0; i < num_commands; ++i) { - const Command* cmd = &cmds[i]; - size_t j; - BlockSplitIteratorNext(&insert_and_copy_it); - HistogramAddCommand(&insert_and_copy_histograms[insert_and_copy_it.type_], - cmd->cmd_prefix_); - /* TODO(eustas): unwrap iterator blocks. */ - for (j = cmd->insert_len_; j != 0; --j) { - size_t context; - BlockSplitIteratorNext(&literal_it); - context = literal_it.type_; - if (context_modes) { - ContextLut lut = BROTLI_CONTEXT_LUT(context_modes[context]); - context = (context << BROTLI_LITERAL_CONTEXT_BITS) + - BROTLI_CONTEXT(prev_byte, prev_byte2, lut); - } - HistogramAddLiteral(&literal_histograms[context], - ringbuffer[pos & mask]); - prev_byte2 = prev_byte; - prev_byte = ringbuffer[pos & mask]; - ++pos; - } - pos += CommandCopyLen(cmd); - if (CommandCopyLen(cmd)) { - prev_byte2 = ringbuffer[(pos - 2) & mask]; - prev_byte = ringbuffer[(pos - 1) & mask]; - if (cmd->cmd_prefix_ >= 128) { - size_t context; - BlockSplitIteratorNext(&dist_it); - context = (dist_it.type_ << BROTLI_DISTANCE_CONTEXT_BITS) + - CommandDistanceContext(cmd); - HistogramAddDistance(©_dist_histograms[context], - cmd->dist_prefix_ & 0x3FF); - } - } - } -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/histogram.h b/src/deps/brotli/enc/histogram.h deleted file mode 100644 index d1abd973c1..0000000000 --- a/src/deps/brotli/enc/histogram.h +++ /dev/null @@ -1,64 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Models the histograms of literals, commands and distance codes. */ - -#ifndef BROTLI_ENC_HISTOGRAM_H_ -#define BROTLI_ENC_HISTOGRAM_H_ - -#include /* memset */ - -#include - -#include "../common/constants.h" -#include "../common/context.h" -#include "../common/platform.h" -#include "block_splitter.h" -#include "command.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/* The distance symbols effectively used by "Large Window Brotli" (32-bit). */ -#define BROTLI_NUM_HISTOGRAM_DISTANCE_SYMBOLS 544 - -#define FN(X) X ## Literal -#define DATA_SIZE BROTLI_NUM_LITERAL_SYMBOLS -#define DataType uint8_t -#include "histogram_inc.h" /* NOLINT(build/include) */ -#undef DataType -#undef DATA_SIZE -#undef FN - -#define FN(X) X ## Command -#define DataType uint16_t -#define DATA_SIZE BROTLI_NUM_COMMAND_SYMBOLS -#include "histogram_inc.h" /* NOLINT(build/include) */ -#undef DATA_SIZE -#undef FN - -#define FN(X) X ## Distance -#define DATA_SIZE BROTLI_NUM_HISTOGRAM_DISTANCE_SYMBOLS -#include "histogram_inc.h" /* NOLINT(build/include) */ -#undef DataType -#undef DATA_SIZE -#undef FN - -BROTLI_INTERNAL void BrotliBuildHistogramsWithContext( - const Command* cmds, const size_t num_commands, - const BlockSplit* literal_split, const BlockSplit* insert_and_copy_split, - const BlockSplit* dist_split, const uint8_t* ringbuffer, size_t pos, - size_t mask, uint8_t prev_byte, uint8_t prev_byte2, - const ContextType* context_modes, HistogramLiteral* literal_histograms, - HistogramCommand* insert_and_copy_histograms, - HistogramDistance* copy_dist_histograms); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_HISTOGRAM_H_ */ diff --git a/src/deps/brotli/enc/histogram_inc.h b/src/deps/brotli/enc/histogram_inc.h deleted file mode 100644 index 50eaf7468d..0000000000 --- a/src/deps/brotli/enc/histogram_inc.h +++ /dev/null @@ -1,51 +0,0 @@ -/* NOLINT(build/header_guard) */ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* template parameters: Histogram, DATA_SIZE, DataType */ - -/* A simple container for histograms of data in blocks. */ - -typedef struct FN(Histogram) { - uint32_t data_[DATA_SIZE]; - size_t total_count_; - double bit_cost_; -} FN(Histogram); - -static BROTLI_INLINE void FN(HistogramClear)(FN(Histogram)* self) { - memset(self->data_, 0, sizeof(self->data_)); - self->total_count_ = 0; - self->bit_cost_ = HUGE_VAL; -} - -static BROTLI_INLINE void FN(ClearHistograms)( - FN(Histogram)* array, size_t length) { - size_t i; - for (i = 0; i < length; ++i) FN(HistogramClear)(array + i); -} - -static BROTLI_INLINE void FN(HistogramAdd)(FN(Histogram)* self, size_t val) { - ++self->data_[val]; - ++self->total_count_; -} - -static BROTLI_INLINE void FN(HistogramAddVector)(FN(Histogram)* self, - const DataType* p, size_t n) { - self->total_count_ += n; - n += 1; - while (--n) ++self->data_[*p++]; -} - -static BROTLI_INLINE void FN(HistogramAddHistogram)(FN(Histogram)* self, - const FN(Histogram)* v) { - size_t i; - self->total_count_ += v->total_count_; - for (i = 0; i < DATA_SIZE; ++i) { - self->data_[i] += v->data_[i]; - } -} - -static BROTLI_INLINE size_t FN(HistogramDataSize)(void) { return DATA_SIZE; } diff --git a/src/deps/brotli/enc/literal_cost.c b/src/deps/brotli/enc/literal_cost.c deleted file mode 100644 index 2ac847f3c9..0000000000 --- a/src/deps/brotli/enc/literal_cost.c +++ /dev/null @@ -1,180 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Literal cost model to allow backward reference replacement to be efficient. -*/ - -#include "literal_cost.h" - -#include /* memset */ - -#include - -#include "../common/platform.h" -#include "fast_log.h" -#include "utf8_util.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -static size_t UTF8Position(size_t last, size_t c, size_t clamp) { - if (c < 128) { - return 0; /* Next one is the 'Byte 1' again. */ - } else if (c >= 192) { /* Next one is the 'Byte 2' of utf-8 encoding. */ - return BROTLI_MIN(size_t, 1, clamp); - } else { - /* Let's decide over the last byte if this ends the sequence. */ - if (last < 0xE0) { - return 0; /* Completed two or three byte coding. */ - } else { /* Next one is the 'Byte 3' of utf-8 encoding. */ - return BROTLI_MIN(size_t, 2, clamp); - } - } -} - -static size_t DecideMultiByteStatsLevel(size_t pos, size_t len, size_t mask, - const uint8_t* data) { - size_t counts[3] = { 0 }; - size_t max_utf8 = 1; /* should be 2, but 1 compresses better. */ - size_t last_c = 0; - size_t i; - for (i = 0; i < len; ++i) { - size_t c = data[(pos + i) & mask]; - ++counts[UTF8Position(last_c, c, 2)]; - last_c = c; - } - if (counts[2] < 500) { - max_utf8 = 1; - } - if (counts[1] + counts[2] < 25) { - max_utf8 = 0; - } - return max_utf8; -} - -static void EstimateBitCostsForLiteralsUTF8(size_t pos, size_t len, size_t mask, - const uint8_t* data, - size_t* histogram, float* cost) { - /* max_utf8 is 0 (normal ASCII single byte modeling), - 1 (for 2-byte UTF-8 modeling), or 2 (for 3-byte UTF-8 modeling). */ - const size_t max_utf8 = DecideMultiByteStatsLevel(pos, len, mask, data); - size_t window_half = 495; - size_t in_window = BROTLI_MIN(size_t, window_half, len); - size_t in_window_utf8[3] = { 0 }; - size_t i; - memset(histogram, 0, 3 * 256 * sizeof(histogram[0])); - - { /* Bootstrap histograms. */ - size_t last_c = 0; - size_t utf8_pos = 0; - for (i = 0; i < in_window; ++i) { - size_t c = data[(pos + i) & mask]; - ++histogram[256 * utf8_pos + c]; - ++in_window_utf8[utf8_pos]; - utf8_pos = UTF8Position(last_c, c, max_utf8); - last_c = c; - } - } - - /* Compute bit costs with sliding window. */ - for (i = 0; i < len; ++i) { - if (i >= window_half) { - /* Remove a byte in the past. */ - size_t c = - i < window_half + 1 ? 0 : data[(pos + i - window_half - 1) & mask]; - size_t last_c = - i < window_half + 2 ? 0 : data[(pos + i - window_half - 2) & mask]; - size_t utf8_pos2 = UTF8Position(last_c, c, max_utf8); - --histogram[256 * utf8_pos2 + data[(pos + i - window_half) & mask]]; - --in_window_utf8[utf8_pos2]; - } - if (i + window_half < len) { - /* Add a byte in the future. */ - size_t c = data[(pos + i + window_half - 1) & mask]; - size_t last_c = data[(pos + i + window_half - 2) & mask]; - size_t utf8_pos2 = UTF8Position(last_c, c, max_utf8); - ++histogram[256 * utf8_pos2 + data[(pos + i + window_half) & mask]]; - ++in_window_utf8[utf8_pos2]; - } - { - size_t c = i < 1 ? 0 : data[(pos + i - 1) & mask]; - size_t last_c = i < 2 ? 0 : data[(pos + i - 2) & mask]; - size_t utf8_pos = UTF8Position(last_c, c, max_utf8); - size_t masked_pos = (pos + i) & mask; - size_t histo = histogram[256 * utf8_pos + data[masked_pos]]; - double lit_cost; - if (histo == 0) { - histo = 1; - } - lit_cost = FastLog2(in_window_utf8[utf8_pos]) - FastLog2(histo); - lit_cost += 0.02905; - if (lit_cost < 1.0) { - lit_cost *= 0.5; - lit_cost += 0.5; - } - /* Make the first bytes more expensive -- seems to help, not sure why. - Perhaps because the entropy source is changing its properties - rapidly in the beginning of the file, perhaps because the beginning - of the data is a statistical "anomaly". */ - if (i < 2000) { - lit_cost += 0.7 - ((double)(2000 - i) / 2000.0 * 0.35); - } - cost[i] = (float)lit_cost; - } - } -} - -void BrotliEstimateBitCostsForLiterals(size_t pos, size_t len, size_t mask, - const uint8_t* data, - size_t* histogram, float* cost) { - if (BrotliIsMostlyUTF8(data, pos, mask, len, kMinUTF8Ratio)) { - EstimateBitCostsForLiteralsUTF8(pos, len, mask, data, histogram, cost); - return; - } else { - size_t window_half = 2000; - size_t in_window = BROTLI_MIN(size_t, window_half, len); - size_t i; - memset(histogram, 0, 256 * sizeof(histogram[0])); - - /* Bootstrap histogram. */ - for (i = 0; i < in_window; ++i) { - ++histogram[data[(pos + i) & mask]]; - } - - /* Compute bit costs with sliding window. */ - for (i = 0; i < len; ++i) { - size_t histo; - if (i >= window_half) { - /* Remove a byte in the past. */ - --histogram[data[(pos + i - window_half) & mask]]; - --in_window; - } - if (i + window_half < len) { - /* Add a byte in the future. */ - ++histogram[data[(pos + i + window_half) & mask]]; - ++in_window; - } - histo = histogram[data[(pos + i) & mask]]; - if (histo == 0) { - histo = 1; - } - { - double lit_cost = FastLog2(in_window) - FastLog2(histo); - lit_cost += 0.029; - if (lit_cost < 1.0) { - lit_cost *= 0.5; - lit_cost += 0.5; - } - cost[i] = (float)lit_cost; - } - } - } -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/literal_cost.h b/src/deps/brotli/enc/literal_cost.h deleted file mode 100644 index 284a8e5af7..0000000000 --- a/src/deps/brotli/enc/literal_cost.h +++ /dev/null @@ -1,32 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Literal cost model to allow backward reference replacement to be efficient. -*/ - -#ifndef BROTLI_ENC_LITERAL_COST_H_ -#define BROTLI_ENC_LITERAL_COST_H_ - -#include - -#include "../common/platform.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/* Estimates how many bits the literals in the interval [pos, pos + len) in the - ring-buffer (data, mask) will take entropy coded and writes these estimates - to the cost[0..len) array. */ -BROTLI_INTERNAL void BrotliEstimateBitCostsForLiterals( - size_t pos, size_t len, size_t mask, const uint8_t* data, size_t* histogram, - float* cost); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_LITERAL_COST_H_ */ diff --git a/src/deps/brotli/enc/memory.c b/src/deps/brotli/enc/memory.c deleted file mode 100644 index bb5e364198..0000000000 --- a/src/deps/brotli/enc/memory.c +++ /dev/null @@ -1,194 +0,0 @@ -/* Copyright 2015 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Algorithms for distributing the literals and commands of a metablock between - block types and contexts. */ - -#include "memory.h" - -#include /* exit, free, malloc */ -#include /* memcpy */ - -#include - -#include "../common/platform.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define MAX_NEW_ALLOCATED (BROTLI_ENCODER_MEMORY_MANAGER_SLOTS >> 2) -#define MAX_NEW_FREED (BROTLI_ENCODER_MEMORY_MANAGER_SLOTS >> 2) -#define MAX_PERM_ALLOCATED (BROTLI_ENCODER_MEMORY_MANAGER_SLOTS >> 1) - -#define PERM_ALLOCATED_OFFSET 0 -#define NEW_ALLOCATED_OFFSET MAX_PERM_ALLOCATED -#define NEW_FREED_OFFSET (MAX_PERM_ALLOCATED + MAX_NEW_ALLOCATED) - -void BrotliInitMemoryManager( - MemoryManager* m, brotli_alloc_func alloc_func, brotli_free_func free_func, - void* opaque) { - if (!alloc_func) { - m->alloc_func = BrotliDefaultAllocFunc; - m->free_func = BrotliDefaultFreeFunc; - m->opaque = 0; - } else { - m->alloc_func = alloc_func; - m->free_func = free_func; - m->opaque = opaque; - } -#if !defined(BROTLI_ENCODER_EXIT_ON_OOM) - m->is_oom = BROTLI_FALSE; - m->perm_allocated = 0; - m->new_allocated = 0; - m->new_freed = 0; -#endif /* BROTLI_ENCODER_EXIT_ON_OOM */ -} - -#if defined(BROTLI_ENCODER_EXIT_ON_OOM) - -void* BrotliAllocate(MemoryManager* m, size_t n) { - void* result = m->alloc_func(m->opaque, n); - if (!result) exit(EXIT_FAILURE); - return result; -} - -void BrotliFree(MemoryManager* m, void* p) { - m->free_func(m->opaque, p); -} - -void BrotliWipeOutMemoryManager(MemoryManager* m) { - BROTLI_UNUSED(m); -} - -#else /* BROTLI_ENCODER_EXIT_ON_OOM */ - -static void SortPointers(void** items, const size_t n) { - /* Shell sort. */ - /* TODO(eustas): fine-tune for "many slots" case */ - static const size_t gaps[] = {23, 10, 4, 1}; - int g = 0; - for (; g < 4; ++g) { - size_t gap = gaps[g]; - size_t i; - for (i = gap; i < n; ++i) { - size_t j = i; - void* tmp = items[i]; - for (; j >= gap && tmp < items[j - gap]; j -= gap) { - items[j] = items[j - gap]; - } - items[j] = tmp; - } - } -} - -static size_t Annihilate(void** a, size_t a_len, void** b, size_t b_len) { - size_t a_read_index = 0; - size_t b_read_index = 0; - size_t a_write_index = 0; - size_t b_write_index = 0; - size_t annihilated = 0; - while (a_read_index < a_len && b_read_index < b_len) { - if (a[a_read_index] == b[b_read_index]) { - a_read_index++; - b_read_index++; - annihilated++; - } else if (a[a_read_index] < b[b_read_index]) { - a[a_write_index++] = a[a_read_index++]; - } else { - b[b_write_index++] = b[b_read_index++]; - } - } - while (a_read_index < a_len) a[a_write_index++] = a[a_read_index++]; - while (b_read_index < b_len) b[b_write_index++] = b[b_read_index++]; - return annihilated; -} - -static void CollectGarbagePointers(MemoryManager* m) { - size_t annihilated; - SortPointers(m->pointers + NEW_ALLOCATED_OFFSET, m->new_allocated); - SortPointers(m->pointers + NEW_FREED_OFFSET, m->new_freed); - annihilated = Annihilate( - m->pointers + NEW_ALLOCATED_OFFSET, m->new_allocated, - m->pointers + NEW_FREED_OFFSET, m->new_freed); - m->new_allocated -= annihilated; - m->new_freed -= annihilated; - - if (m->new_freed != 0) { - annihilated = Annihilate( - m->pointers + PERM_ALLOCATED_OFFSET, m->perm_allocated, - m->pointers + NEW_FREED_OFFSET, m->new_freed); - m->perm_allocated -= annihilated; - m->new_freed -= annihilated; - BROTLI_DCHECK(m->new_freed == 0); - } - - if (m->new_allocated != 0) { - BROTLI_DCHECK(m->perm_allocated + m->new_allocated <= MAX_PERM_ALLOCATED); - memcpy(m->pointers + PERM_ALLOCATED_OFFSET + m->perm_allocated, - m->pointers + NEW_ALLOCATED_OFFSET, - sizeof(void*) * m->new_allocated); - m->perm_allocated += m->new_allocated; - m->new_allocated = 0; - SortPointers(m->pointers + PERM_ALLOCATED_OFFSET, m->perm_allocated); - } -} - -void* BrotliAllocate(MemoryManager* m, size_t n) { - void* result = m->alloc_func(m->opaque, n); - if (!result) { - m->is_oom = BROTLI_TRUE; - return NULL; - } - if (m->new_allocated == MAX_NEW_ALLOCATED) CollectGarbagePointers(m); - m->pointers[NEW_ALLOCATED_OFFSET + (m->new_allocated++)] = result; - return result; -} - -void BrotliFree(MemoryManager* m, void* p) { - if (!p) return; - m->free_func(m->opaque, p); - if (m->new_freed == MAX_NEW_FREED) CollectGarbagePointers(m); - m->pointers[NEW_FREED_OFFSET + (m->new_freed++)] = p; -} - -void BrotliWipeOutMemoryManager(MemoryManager* m) { - size_t i; - CollectGarbagePointers(m); - /* Now all unfreed pointers are in perm-allocated list. */ - for (i = 0; i < m->perm_allocated; ++i) { - m->free_func(m->opaque, m->pointers[PERM_ALLOCATED_OFFSET + i]); - } - m->perm_allocated = 0; -} - -#endif /* BROTLI_ENCODER_EXIT_ON_OOM */ - -void* BrotliBootstrapAlloc(size_t size, - brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque) { - if (!alloc_func && !free_func) { - return malloc(size); - } else if (alloc_func && free_func) { - return alloc_func(opaque, size); - } - return NULL; -} - -void BrotliBootstrapFree(void* address, MemoryManager* m) { - if (!address) { - /* Should not happen! */ - return; - } else { - /* Copy values, as those would be freed. */ - brotli_free_func free_func = m->free_func; - void* opaque = m->opaque; - free_func(opaque, address); - } -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/memory.h b/src/deps/brotli/enc/memory.h deleted file mode 100644 index a4417df4cb..0000000000 --- a/src/deps/brotli/enc/memory.h +++ /dev/null @@ -1,131 +0,0 @@ -/* Copyright 2016 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Macros for memory management. */ - -#ifndef BROTLI_ENC_MEMORY_H_ -#define BROTLI_ENC_MEMORY_H_ - -#include /* memcpy */ - -#include - -#include "../common/platform.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#if !defined(BROTLI_ENCODER_CLEANUP_ON_OOM) && \ - !defined(BROTLI_ENCODER_EXIT_ON_OOM) -#define BROTLI_ENCODER_EXIT_ON_OOM -#endif - -#if !defined(BROTLI_ENCODER_EXIT_ON_OOM) -#if defined(BROTLI_EXPERIMENTAL) -#define BROTLI_ENCODER_MEMORY_MANAGER_SLOTS (48*1024) -#else /* BROTLI_EXPERIMENTAL */ -#define BROTLI_ENCODER_MEMORY_MANAGER_SLOTS 256 -#endif /* BROTLI_EXPERIMENTAL */ -#else /* BROTLI_ENCODER_EXIT_ON_OOM */ -#define BROTLI_ENCODER_MEMORY_MANAGER_SLOTS 0 -#endif /* BROTLI_ENCODER_EXIT_ON_OOM */ - -typedef struct MemoryManager { - brotli_alloc_func alloc_func; - brotli_free_func free_func; - void* opaque; -#if !defined(BROTLI_ENCODER_EXIT_ON_OOM) - BROTLI_BOOL is_oom; - size_t perm_allocated; - size_t new_allocated; - size_t new_freed; - void* pointers[BROTLI_ENCODER_MEMORY_MANAGER_SLOTS]; -#endif /* BROTLI_ENCODER_EXIT_ON_OOM */ -} MemoryManager; - -BROTLI_INTERNAL void BrotliInitMemoryManager( - MemoryManager* m, brotli_alloc_func alloc_func, brotli_free_func free_func, - void* opaque); - -BROTLI_INTERNAL void* BrotliAllocate(MemoryManager* m, size_t n); -#define BROTLI_ALLOC(M, T, N) \ - ((N) > 0 ? ((T*)BrotliAllocate((M), (N) * sizeof(T))) : NULL) - -BROTLI_INTERNAL void BrotliFree(MemoryManager* m, void* p); -#define BROTLI_FREE(M, P) { \ - BrotliFree((M), (P)); \ - P = NULL; \ -} - -#if defined(BROTLI_ENCODER_EXIT_ON_OOM) -#define BROTLI_IS_OOM(M) (!!0) -#else /* BROTLI_ENCODER_EXIT_ON_OOM */ -#define BROTLI_IS_OOM(M) (!!(M)->is_oom) -#endif /* BROTLI_ENCODER_EXIT_ON_OOM */ - -/* -BROTLI_IS_NULL is a fake check, BROTLI_IS_OOM does the heavy lifting. -The only purpose of it is to explain static analyzers the state of things. -NB: use ONLY together with BROTLI_IS_OOM - AND ONLY for allocations in the current scope. - */ -#if defined(__clang_analyzer__) && !defined(BROTLI_ENCODER_EXIT_ON_OOM) -#define BROTLI_IS_NULL(A) ((A) == nullptr) -#else /* defined(__clang_analyzer__) */ -#define BROTLI_IS_NULL(A) (!!0) -#endif /* defined(__clang_analyzer__) */ - -BROTLI_INTERNAL void BrotliWipeOutMemoryManager(MemoryManager* m); - -/* -Dynamically grows array capacity to at least the requested size -M: MemoryManager -T: data type -A: array -C: capacity -R: requested size -*/ -#define BROTLI_ENSURE_CAPACITY(M, T, A, C, R) { \ - if (C < (R)) { \ - size_t _new_size = (C == 0) ? (R) : C; \ - T* new_array; \ - while (_new_size < (R)) _new_size *= 2; \ - new_array = BROTLI_ALLOC((M), T, _new_size); \ - if (!BROTLI_IS_OOM(M) && !BROTLI_IS_NULL(new_array) && C != 0) \ - memcpy(new_array, A, C * sizeof(T)); \ - BROTLI_FREE((M), A); \ - A = new_array; \ - C = _new_size; \ - } \ -} - -/* -Appends value and dynamically grows array capacity when needed -M: MemoryManager -T: data type -A: array -C: array capacity -S: array size -V: value to append -*/ -#define BROTLI_ENSURE_CAPACITY_APPEND(M, T, A, C, S, V) { \ - (S)++; \ - BROTLI_ENSURE_CAPACITY(M, T, A, C, S); \ - A[(S) - 1] = (V); \ -} - -/* "Bootstrap" allocations are not tracked by memory manager; should be used - only to allocate MemoryManager itself (or structure containing it). */ -BROTLI_INTERNAL void* BrotliBootstrapAlloc(size_t size, - brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque); -BROTLI_INTERNAL void BrotliBootstrapFree(void* address, MemoryManager* m); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_MEMORY_H_ */ diff --git a/src/deps/brotli/enc/metablock.c b/src/deps/brotli/enc/metablock.c deleted file mode 100644 index 0c5c078d05..0000000000 --- a/src/deps/brotli/enc/metablock.c +++ /dev/null @@ -1,677 +0,0 @@ -/* Copyright 2015 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Algorithms for distributing the literals and commands of a metablock between - block types and contexts. */ - -#include "metablock.h" - -#include - -#include "../common/constants.h" -#include "../common/context.h" -#include "../common/platform.h" -#include "bit_cost.h" -#include "block_splitter.h" -#include "cluster.h" -#include "entropy_encode.h" -#include "histogram.h" -#include "memory.h" -#include "quality.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -void BrotliInitDistanceParams(BrotliDistanceParams* dist_params, - uint32_t npostfix, uint32_t ndirect, BROTLI_BOOL large_window) { - uint32_t alphabet_size_max; - uint32_t alphabet_size_limit; - uint32_t max_distance; - - dist_params->distance_postfix_bits = npostfix; - dist_params->num_direct_distance_codes = ndirect; - - alphabet_size_max = BROTLI_DISTANCE_ALPHABET_SIZE( - npostfix, ndirect, BROTLI_MAX_DISTANCE_BITS); - alphabet_size_limit = alphabet_size_max; - max_distance = ndirect + (1U << (BROTLI_MAX_DISTANCE_BITS + npostfix + 2)) - - (1U << (npostfix + 2)); - - if (large_window) { - BrotliDistanceCodeLimit limit = BrotliCalculateDistanceCodeLimit( - BROTLI_MAX_ALLOWED_DISTANCE, npostfix, ndirect); - alphabet_size_max = BROTLI_DISTANCE_ALPHABET_SIZE( - npostfix, ndirect, BROTLI_LARGE_MAX_DISTANCE_BITS); - alphabet_size_limit = limit.max_alphabet_size; - max_distance = limit.max_distance; - } - - dist_params->alphabet_size_max = alphabet_size_max; - dist_params->alphabet_size_limit = alphabet_size_limit; - dist_params->max_distance = max_distance; -} - -static void RecomputeDistancePrefixes(Command* cmds, - size_t num_commands, - const BrotliDistanceParams* orig_params, - const BrotliDistanceParams* new_params) { - size_t i; - - if (orig_params->distance_postfix_bits == new_params->distance_postfix_bits && - orig_params->num_direct_distance_codes == - new_params->num_direct_distance_codes) { - return; - } - - for (i = 0; i < num_commands; ++i) { - Command* cmd = &cmds[i]; - if (CommandCopyLen(cmd) && cmd->cmd_prefix_ >= 128) { - PrefixEncodeCopyDistance(CommandRestoreDistanceCode(cmd, orig_params), - new_params->num_direct_distance_codes, - new_params->distance_postfix_bits, - &cmd->dist_prefix_, - &cmd->dist_extra_); - } - } -} - -static BROTLI_BOOL ComputeDistanceCost(const Command* cmds, - size_t num_commands, - const BrotliDistanceParams* orig_params, - const BrotliDistanceParams* new_params, - double* cost, - HistogramDistance* tmp) { - size_t i; - BROTLI_BOOL equal_params = BROTLI_FALSE; - uint16_t dist_prefix; - uint32_t dist_extra; - double extra_bits = 0.0; - HistogramClearDistance(tmp); - - if (orig_params->distance_postfix_bits == new_params->distance_postfix_bits && - orig_params->num_direct_distance_codes == - new_params->num_direct_distance_codes) { - equal_params = BROTLI_TRUE; - } - - for (i = 0; i < num_commands; i++) { - const Command* cmd = &cmds[i]; - if (CommandCopyLen(cmd) && cmd->cmd_prefix_ >= 128) { - if (equal_params) { - dist_prefix = cmd->dist_prefix_; - } else { - uint32_t distance = CommandRestoreDistanceCode(cmd, orig_params); - if (distance > new_params->max_distance) { - return BROTLI_FALSE; - } - PrefixEncodeCopyDistance(distance, - new_params->num_direct_distance_codes, - new_params->distance_postfix_bits, - &dist_prefix, - &dist_extra); - } - HistogramAddDistance(tmp, dist_prefix & 0x3FF); - extra_bits += dist_prefix >> 10; - } - } - - *cost = BrotliPopulationCostDistance(tmp) + extra_bits; - return BROTLI_TRUE; -} - -void BrotliBuildMetaBlock(MemoryManager* m, - const uint8_t* ringbuffer, - const size_t pos, - const size_t mask, - BrotliEncoderParams* params, - uint8_t prev_byte, - uint8_t prev_byte2, - Command* cmds, - size_t num_commands, - ContextType literal_context_mode, - MetaBlockSplit* mb) { - /* Histogram ids need to fit in one byte. */ - static const size_t kMaxNumberOfHistograms = 256; - HistogramDistance* distance_histograms; - HistogramLiteral* literal_histograms; - ContextType* literal_context_modes = NULL; - size_t literal_histograms_size; - size_t distance_histograms_size; - size_t i; - size_t literal_context_multiplier = 1; - uint32_t npostfix; - uint32_t ndirect_msb = 0; - BROTLI_BOOL check_orig = BROTLI_TRUE; - double best_dist_cost = 1e99; - BrotliDistanceParams orig_params = params->dist; - BrotliDistanceParams new_params = params->dist; - HistogramDistance* tmp = BROTLI_ALLOC(m, HistogramDistance, 1); - - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(tmp)) return; - - for (npostfix = 0; npostfix <= BROTLI_MAX_NPOSTFIX; npostfix++) { - for (; ndirect_msb < 16; ndirect_msb++) { - uint32_t ndirect = ndirect_msb << npostfix; - BROTLI_BOOL skip; - double dist_cost; - BrotliInitDistanceParams(&new_params, npostfix, ndirect, - params->large_window); - if (npostfix == orig_params.distance_postfix_bits && - ndirect == orig_params.num_direct_distance_codes) { - check_orig = BROTLI_FALSE; - } - skip = !ComputeDistanceCost( - cmds, num_commands, &orig_params, &new_params, &dist_cost, tmp); - if (skip || (dist_cost > best_dist_cost)) { - break; - } - best_dist_cost = dist_cost; - params->dist = new_params; - } - if (ndirect_msb > 0) ndirect_msb--; - ndirect_msb /= 2; - } - if (check_orig) { - double dist_cost; - ComputeDistanceCost(cmds, num_commands, &orig_params, &orig_params, - &dist_cost, tmp); - if (dist_cost < best_dist_cost) { - /* NB: currently unused; uncomment when more param tuning is added. */ - /* best_dist_cost = dist_cost; */ - params->dist = orig_params; - } - } - BROTLI_FREE(m, tmp); - RecomputeDistancePrefixes(cmds, num_commands, &orig_params, ¶ms->dist); - - BrotliSplitBlock(m, cmds, num_commands, - ringbuffer, pos, mask, params, - &mb->literal_split, - &mb->command_split, - &mb->distance_split); - if (BROTLI_IS_OOM(m)) return; - - if (!params->disable_literal_context_modeling) { - literal_context_multiplier = 1 << BROTLI_LITERAL_CONTEXT_BITS; - literal_context_modes = - BROTLI_ALLOC(m, ContextType, mb->literal_split.num_types); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(literal_context_modes)) return; - for (i = 0; i < mb->literal_split.num_types; ++i) { - literal_context_modes[i] = literal_context_mode; - } - } - - literal_histograms_size = - mb->literal_split.num_types * literal_context_multiplier; - literal_histograms = - BROTLI_ALLOC(m, HistogramLiteral, literal_histograms_size); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(literal_histograms)) return; - ClearHistogramsLiteral(literal_histograms, literal_histograms_size); - - distance_histograms_size = - mb->distance_split.num_types << BROTLI_DISTANCE_CONTEXT_BITS; - distance_histograms = - BROTLI_ALLOC(m, HistogramDistance, distance_histograms_size); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(distance_histograms)) return; - ClearHistogramsDistance(distance_histograms, distance_histograms_size); - - BROTLI_DCHECK(mb->command_histograms == 0); - mb->command_histograms_size = mb->command_split.num_types; - mb->command_histograms = - BROTLI_ALLOC(m, HistogramCommand, mb->command_histograms_size); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(mb->command_histograms)) return; - ClearHistogramsCommand(mb->command_histograms, mb->command_histograms_size); - - BrotliBuildHistogramsWithContext(cmds, num_commands, - &mb->literal_split, &mb->command_split, &mb->distance_split, - ringbuffer, pos, mask, prev_byte, prev_byte2, literal_context_modes, - literal_histograms, mb->command_histograms, distance_histograms); - BROTLI_FREE(m, literal_context_modes); - - BROTLI_DCHECK(mb->literal_context_map == 0); - mb->literal_context_map_size = - mb->literal_split.num_types << BROTLI_LITERAL_CONTEXT_BITS; - mb->literal_context_map = - BROTLI_ALLOC(m, uint32_t, mb->literal_context_map_size); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(mb->literal_context_map)) return; - - BROTLI_DCHECK(mb->literal_histograms == 0); - mb->literal_histograms_size = mb->literal_context_map_size; - mb->literal_histograms = - BROTLI_ALLOC(m, HistogramLiteral, mb->literal_histograms_size); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(mb->literal_histograms)) return; - - BrotliClusterHistogramsLiteral(m, literal_histograms, literal_histograms_size, - kMaxNumberOfHistograms, mb->literal_histograms, - &mb->literal_histograms_size, mb->literal_context_map); - if (BROTLI_IS_OOM(m)) return; - BROTLI_FREE(m, literal_histograms); - - if (params->disable_literal_context_modeling) { - /* Distribute assignment to all contexts. */ - for (i = mb->literal_split.num_types; i != 0;) { - size_t j = 0; - i--; - for (; j < (1 << BROTLI_LITERAL_CONTEXT_BITS); j++) { - mb->literal_context_map[(i << BROTLI_LITERAL_CONTEXT_BITS) + j] = - mb->literal_context_map[i]; - } - } - } - - BROTLI_DCHECK(mb->distance_context_map == 0); - mb->distance_context_map_size = - mb->distance_split.num_types << BROTLI_DISTANCE_CONTEXT_BITS; - mb->distance_context_map = - BROTLI_ALLOC(m, uint32_t, mb->distance_context_map_size); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(mb->distance_context_map)) return; - - BROTLI_DCHECK(mb->distance_histograms == 0); - mb->distance_histograms_size = mb->distance_context_map_size; - mb->distance_histograms = - BROTLI_ALLOC(m, HistogramDistance, mb->distance_histograms_size); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(mb->distance_histograms)) return; - - BrotliClusterHistogramsDistance(m, distance_histograms, - mb->distance_context_map_size, - kMaxNumberOfHistograms, - mb->distance_histograms, - &mb->distance_histograms_size, - mb->distance_context_map); - if (BROTLI_IS_OOM(m)) return; - BROTLI_FREE(m, distance_histograms); -} - -#define FN(X) X ## Literal -#include "metablock_inc.h" /* NOLINT(build/include) */ -#undef FN - -#define FN(X) X ## Command -#include "metablock_inc.h" /* NOLINT(build/include) */ -#undef FN - -#define FN(X) X ## Distance -#include "metablock_inc.h" /* NOLINT(build/include) */ -#undef FN - -#define BROTLI_MAX_STATIC_CONTEXTS 13 - -/* Greedy block splitter for one block category (literal, command or distance). - Gathers histograms for all context buckets. */ -typedef struct ContextBlockSplitter { - /* Alphabet size of particular block category. */ - size_t alphabet_size_; - size_t num_contexts_; - size_t max_block_types_; - /* We collect at least this many symbols for each block. */ - size_t min_block_size_; - /* We merge histograms A and B if - entropy(A+B) < entropy(A) + entropy(B) + split_threshold_, - where A is the current histogram and B is the histogram of the last or the - second last block type. */ - double split_threshold_; - - size_t num_blocks_; - BlockSplit* split_; /* not owned */ - HistogramLiteral* histograms_; /* not owned */ - size_t* histograms_size_; /* not owned */ - - /* The number of symbols that we want to collect before deciding on whether - or not to merge the block with a previous one or emit a new block. */ - size_t target_block_size_; - /* The number of symbols in the current histogram. */ - size_t block_size_; - /* Offset of the current histogram. */ - size_t curr_histogram_ix_; - /* Offset of the histograms of the previous two block types. */ - size_t last_histogram_ix_[2]; - /* Entropy of the previous two block types. */ - double last_entropy_[2 * BROTLI_MAX_STATIC_CONTEXTS]; - /* The number of times we merged the current block with the last one. */ - size_t merge_last_count_; -} ContextBlockSplitter; - -static void InitContextBlockSplitter( - MemoryManager* m, ContextBlockSplitter* self, size_t alphabet_size, - size_t num_contexts, size_t min_block_size, double split_threshold, - size_t num_symbols, BlockSplit* split, HistogramLiteral** histograms, - size_t* histograms_size) { - size_t max_num_blocks = num_symbols / min_block_size + 1; - size_t max_num_types; - BROTLI_DCHECK(num_contexts <= BROTLI_MAX_STATIC_CONTEXTS); - - self->alphabet_size_ = alphabet_size; - self->num_contexts_ = num_contexts; - self->max_block_types_ = BROTLI_MAX_NUMBER_OF_BLOCK_TYPES / num_contexts; - self->min_block_size_ = min_block_size; - self->split_threshold_ = split_threshold; - self->num_blocks_ = 0; - self->split_ = split; - self->histograms_size_ = histograms_size; - self->target_block_size_ = min_block_size; - self->block_size_ = 0; - self->curr_histogram_ix_ = 0; - self->merge_last_count_ = 0; - - /* We have to allocate one more histogram than the maximum number of block - types for the current histogram when the meta-block is too big. */ - max_num_types = - BROTLI_MIN(size_t, max_num_blocks, self->max_block_types_ + 1); - BROTLI_ENSURE_CAPACITY(m, uint8_t, - split->types, split->types_alloc_size, max_num_blocks); - BROTLI_ENSURE_CAPACITY(m, uint32_t, - split->lengths, split->lengths_alloc_size, max_num_blocks); - if (BROTLI_IS_OOM(m)) return; - split->num_blocks = max_num_blocks; - if (BROTLI_IS_OOM(m)) return; - BROTLI_DCHECK(*histograms == 0); - *histograms_size = max_num_types * num_contexts; - *histograms = BROTLI_ALLOC(m, HistogramLiteral, *histograms_size); - self->histograms_ = *histograms; - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(*histograms)) return; - /* Clear only current histogram. */ - ClearHistogramsLiteral(&self->histograms_[0], num_contexts); - self->last_histogram_ix_[0] = self->last_histogram_ix_[1] = 0; -} - -/* Does either of three things: - (1) emits the current block with a new block type; - (2) emits the current block with the type of the second last block; - (3) merges the current block with the last block. */ -static void ContextBlockSplitterFinishBlock( - ContextBlockSplitter* self, MemoryManager* m, BROTLI_BOOL is_final) { - BlockSplit* split = self->split_; - const size_t num_contexts = self->num_contexts_; - double* last_entropy = self->last_entropy_; - HistogramLiteral* histograms = self->histograms_; - - if (self->block_size_ < self->min_block_size_) { - self->block_size_ = self->min_block_size_; - } - if (self->num_blocks_ == 0) { - size_t i; - /* Create first block. */ - split->lengths[0] = (uint32_t)self->block_size_; - split->types[0] = 0; - - for (i = 0; i < num_contexts; ++i) { - last_entropy[i] = - BitsEntropy(histograms[i].data_, self->alphabet_size_); - last_entropy[num_contexts + i] = last_entropy[i]; - } - ++self->num_blocks_; - ++split->num_types; - self->curr_histogram_ix_ += num_contexts; - if (self->curr_histogram_ix_ < *self->histograms_size_) { - ClearHistogramsLiteral( - &self->histograms_[self->curr_histogram_ix_], self->num_contexts_); - } - self->block_size_ = 0; - } else if (self->block_size_ > 0) { - /* Try merging the set of histograms for the current block type with the - respective set of histograms for the last and second last block types. - Decide over the split based on the total reduction of entropy across - all contexts. */ - double entropy[BROTLI_MAX_STATIC_CONTEXTS]; - HistogramLiteral* combined_histo = - BROTLI_ALLOC(m, HistogramLiteral, 2 * num_contexts); - double combined_entropy[2 * BROTLI_MAX_STATIC_CONTEXTS]; - double diff[2] = { 0.0 }; - size_t i; - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(combined_histo)) return; - for (i = 0; i < num_contexts; ++i) { - size_t curr_histo_ix = self->curr_histogram_ix_ + i; - size_t j; - entropy[i] = BitsEntropy(histograms[curr_histo_ix].data_, - self->alphabet_size_); - for (j = 0; j < 2; ++j) { - size_t jx = j * num_contexts + i; - size_t last_histogram_ix = self->last_histogram_ix_[j] + i; - combined_histo[jx] = histograms[curr_histo_ix]; - HistogramAddHistogramLiteral(&combined_histo[jx], - &histograms[last_histogram_ix]); - combined_entropy[jx] = BitsEntropy( - &combined_histo[jx].data_[0], self->alphabet_size_); - diff[j] += combined_entropy[jx] - entropy[i] - last_entropy[jx]; - } - } - - if (split->num_types < self->max_block_types_ && - diff[0] > self->split_threshold_ && - diff[1] > self->split_threshold_) { - /* Create new block. */ - split->lengths[self->num_blocks_] = (uint32_t)self->block_size_; - split->types[self->num_blocks_] = (uint8_t)split->num_types; - self->last_histogram_ix_[1] = self->last_histogram_ix_[0]; - self->last_histogram_ix_[0] = split->num_types * num_contexts; - for (i = 0; i < num_contexts; ++i) { - last_entropy[num_contexts + i] = last_entropy[i]; - last_entropy[i] = entropy[i]; - } - ++self->num_blocks_; - ++split->num_types; - self->curr_histogram_ix_ += num_contexts; - if (self->curr_histogram_ix_ < *self->histograms_size_) { - ClearHistogramsLiteral( - &self->histograms_[self->curr_histogram_ix_], self->num_contexts_); - } - self->block_size_ = 0; - self->merge_last_count_ = 0; - self->target_block_size_ = self->min_block_size_; - } else if (diff[1] < diff[0] - 20.0) { - /* Combine this block with second last block. */ - split->lengths[self->num_blocks_] = (uint32_t)self->block_size_; - split->types[self->num_blocks_] = split->types[self->num_blocks_ - 2]; - BROTLI_SWAP(size_t, self->last_histogram_ix_, 0, 1); - for (i = 0; i < num_contexts; ++i) { - histograms[self->last_histogram_ix_[0] + i] = - combined_histo[num_contexts + i]; - last_entropy[num_contexts + i] = last_entropy[i]; - last_entropy[i] = combined_entropy[num_contexts + i]; - HistogramClearLiteral(&histograms[self->curr_histogram_ix_ + i]); - } - ++self->num_blocks_; - self->block_size_ = 0; - self->merge_last_count_ = 0; - self->target_block_size_ = self->min_block_size_; - } else { - /* Combine this block with last block. */ - split->lengths[self->num_blocks_ - 1] += (uint32_t)self->block_size_; - for (i = 0; i < num_contexts; ++i) { - histograms[self->last_histogram_ix_[0] + i] = combined_histo[i]; - last_entropy[i] = combined_entropy[i]; - if (split->num_types == 1) { - last_entropy[num_contexts + i] = last_entropy[i]; - } - HistogramClearLiteral(&histograms[self->curr_histogram_ix_ + i]); - } - self->block_size_ = 0; - if (++self->merge_last_count_ > 1) { - self->target_block_size_ += self->min_block_size_; - } - } - BROTLI_FREE(m, combined_histo); - } - if (is_final) { - *self->histograms_size_ = split->num_types * num_contexts; - split->num_blocks = self->num_blocks_; - } -} - -/* Adds the next symbol to the current block type and context. When the - current block reaches the target size, decides on merging the block. */ -static void ContextBlockSplitterAddSymbol( - ContextBlockSplitter* self, MemoryManager* m, - size_t symbol, size_t context) { - HistogramAddLiteral(&self->histograms_[self->curr_histogram_ix_ + context], - symbol); - ++self->block_size_; - if (self->block_size_ == self->target_block_size_) { - ContextBlockSplitterFinishBlock(self, m, /* is_final = */ BROTLI_FALSE); - if (BROTLI_IS_OOM(m)) return; - } -} - -static void MapStaticContexts(MemoryManager* m, - size_t num_contexts, - const uint32_t* static_context_map, - MetaBlockSplit* mb) { - size_t i; - BROTLI_DCHECK(mb->literal_context_map == 0); - mb->literal_context_map_size = - mb->literal_split.num_types << BROTLI_LITERAL_CONTEXT_BITS; - mb->literal_context_map = - BROTLI_ALLOC(m, uint32_t, mb->literal_context_map_size); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(mb->literal_context_map)) return; - - for (i = 0; i < mb->literal_split.num_types; ++i) { - uint32_t offset = (uint32_t)(i * num_contexts); - size_t j; - for (j = 0; j < (1u << BROTLI_LITERAL_CONTEXT_BITS); ++j) { - mb->literal_context_map[(i << BROTLI_LITERAL_CONTEXT_BITS) + j] = - offset + static_context_map[j]; - } - } -} - -typedef struct GreedyMetablockArena { - union { - BlockSplitterLiteral plain; - ContextBlockSplitter ctx; - } lit_blocks; - BlockSplitterCommand cmd_blocks; - BlockSplitterDistance dist_blocks; -} GreedyMetablockArena; - -static BROTLI_INLINE void BrotliBuildMetaBlockGreedyInternal( - MemoryManager* m, GreedyMetablockArena* arena, const uint8_t* ringbuffer, - size_t pos, size_t mask, uint8_t prev_byte, uint8_t prev_byte2, - ContextLut literal_context_lut, const size_t num_contexts, - const uint32_t* static_context_map, const Command* commands, - size_t n_commands, MetaBlockSplit* mb) { - size_t num_literals = 0; - size_t i; - for (i = 0; i < n_commands; ++i) { - num_literals += commands[i].insert_len_; - } - - if (num_contexts == 1) { - InitBlockSplitterLiteral(m, &arena->lit_blocks.plain, 256, 512, 400.0, - num_literals, &mb->literal_split, &mb->literal_histograms, - &mb->literal_histograms_size); - } else { - InitContextBlockSplitter(m, &arena->lit_blocks.ctx, 256, num_contexts, 512, - 400.0, num_literals, &mb->literal_split, &mb->literal_histograms, - &mb->literal_histograms_size); - } - if (BROTLI_IS_OOM(m)) return; - InitBlockSplitterCommand(m, &arena->cmd_blocks, BROTLI_NUM_COMMAND_SYMBOLS, - 1024, 500.0, n_commands, &mb->command_split, &mb->command_histograms, - &mb->command_histograms_size); - if (BROTLI_IS_OOM(m)) return; - InitBlockSplitterDistance(m, &arena->dist_blocks, 64, 512, 100.0, n_commands, - &mb->distance_split, &mb->distance_histograms, - &mb->distance_histograms_size); - if (BROTLI_IS_OOM(m)) return; - - for (i = 0; i < n_commands; ++i) { - const Command cmd = commands[i]; - size_t j; - BlockSplitterAddSymbolCommand(&arena->cmd_blocks, cmd.cmd_prefix_); - for (j = cmd.insert_len_; j != 0; --j) { - uint8_t literal = ringbuffer[pos & mask]; - if (num_contexts == 1) { - BlockSplitterAddSymbolLiteral(&arena->lit_blocks.plain, literal); - } else { - size_t context = - BROTLI_CONTEXT(prev_byte, prev_byte2, literal_context_lut); - ContextBlockSplitterAddSymbol(&arena->lit_blocks.ctx, m, literal, - static_context_map[context]); - if (BROTLI_IS_OOM(m)) return; - } - prev_byte2 = prev_byte; - prev_byte = literal; - ++pos; - } - pos += CommandCopyLen(&cmd); - if (CommandCopyLen(&cmd)) { - prev_byte2 = ringbuffer[(pos - 2) & mask]; - prev_byte = ringbuffer[(pos - 1) & mask]; - if (cmd.cmd_prefix_ >= 128) { - BlockSplitterAddSymbolDistance( - &arena->dist_blocks, cmd.dist_prefix_ & 0x3FF); - } - } - } - - if (num_contexts == 1) { - BlockSplitterFinishBlockLiteral( - &arena->lit_blocks.plain, /* is_final = */ BROTLI_TRUE); - } else { - ContextBlockSplitterFinishBlock( - &arena->lit_blocks.ctx, m, /* is_final = */ BROTLI_TRUE); - if (BROTLI_IS_OOM(m)) return; - } - BlockSplitterFinishBlockCommand( - &arena->cmd_blocks, /* is_final = */ BROTLI_TRUE); - BlockSplitterFinishBlockDistance( - &arena->dist_blocks, /* is_final = */ BROTLI_TRUE); - - if (num_contexts > 1) { - MapStaticContexts(m, num_contexts, static_context_map, mb); - } -} - -void BrotliBuildMetaBlockGreedy(MemoryManager* m, - const uint8_t* ringbuffer, - size_t pos, - size_t mask, - uint8_t prev_byte, - uint8_t prev_byte2, - ContextLut literal_context_lut, - size_t num_contexts, - const uint32_t* static_context_map, - const Command* commands, - size_t n_commands, - MetaBlockSplit* mb) { - GreedyMetablockArena* arena = BROTLI_ALLOC(m, GreedyMetablockArena, 1); - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(arena)) return; - if (num_contexts == 1) { - BrotliBuildMetaBlockGreedyInternal(m, arena, ringbuffer, pos, mask, - prev_byte, prev_byte2, literal_context_lut, 1, NULL, commands, - n_commands, mb); - } else { - BrotliBuildMetaBlockGreedyInternal(m, arena, ringbuffer, pos, mask, - prev_byte, prev_byte2, literal_context_lut, num_contexts, - static_context_map, commands, n_commands, mb); - } - BROTLI_FREE(m, arena); -} - -void BrotliOptimizeHistograms(uint32_t num_distance_codes, - MetaBlockSplit* mb) { - uint8_t good_for_rle[BROTLI_NUM_COMMAND_SYMBOLS]; - size_t i; - for (i = 0; i < mb->literal_histograms_size; ++i) { - BrotliOptimizeHuffmanCountsForRle(256, mb->literal_histograms[i].data_, - good_for_rle); - } - for (i = 0; i < mb->command_histograms_size; ++i) { - BrotliOptimizeHuffmanCountsForRle(BROTLI_NUM_COMMAND_SYMBOLS, - mb->command_histograms[i].data_, - good_for_rle); - } - for (i = 0; i < mb->distance_histograms_size; ++i) { - BrotliOptimizeHuffmanCountsForRle(num_distance_codes, - mb->distance_histograms[i].data_, - good_for_rle); - } -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/metablock.h b/src/deps/brotli/enc/metablock.h deleted file mode 100644 index db38f8fd21..0000000000 --- a/src/deps/brotli/enc/metablock.h +++ /dev/null @@ -1,106 +0,0 @@ -/* Copyright 2015 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Algorithms for distributing the literals and commands of a metablock between - block types and contexts. */ - -#ifndef BROTLI_ENC_METABLOCK_H_ -#define BROTLI_ENC_METABLOCK_H_ - -#include - -#include "../common/context.h" -#include "../common/platform.h" -#include "block_splitter.h" -#include "command.h" -#include "histogram.h" -#include "memory.h" -#include "quality.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -typedef struct MetaBlockSplit { - BlockSplit literal_split; - BlockSplit command_split; - BlockSplit distance_split; - uint32_t* literal_context_map; - size_t literal_context_map_size; - uint32_t* distance_context_map; - size_t distance_context_map_size; - HistogramLiteral* literal_histograms; - size_t literal_histograms_size; - HistogramCommand* command_histograms; - size_t command_histograms_size; - HistogramDistance* distance_histograms; - size_t distance_histograms_size; -} MetaBlockSplit; - -static BROTLI_INLINE void InitMetaBlockSplit(MetaBlockSplit* mb) { - BrotliInitBlockSplit(&mb->literal_split); - BrotliInitBlockSplit(&mb->command_split); - BrotliInitBlockSplit(&mb->distance_split); - mb->literal_context_map = 0; - mb->literal_context_map_size = 0; - mb->distance_context_map = 0; - mb->distance_context_map_size = 0; - mb->literal_histograms = 0; - mb->literal_histograms_size = 0; - mb->command_histograms = 0; - mb->command_histograms_size = 0; - mb->distance_histograms = 0; - mb->distance_histograms_size = 0; -} - -static BROTLI_INLINE void DestroyMetaBlockSplit( - MemoryManager* m, MetaBlockSplit* mb) { - BrotliDestroyBlockSplit(m, &mb->literal_split); - BrotliDestroyBlockSplit(m, &mb->command_split); - BrotliDestroyBlockSplit(m, &mb->distance_split); - BROTLI_FREE(m, mb->literal_context_map); - BROTLI_FREE(m, mb->distance_context_map); - BROTLI_FREE(m, mb->literal_histograms); - BROTLI_FREE(m, mb->command_histograms); - BROTLI_FREE(m, mb->distance_histograms); -} - -/* Uses the slow shortest-path block splitter and does context clustering. - The distance parameters are dynamically selected based on the commands - which get recomputed under the new distance parameters. The new distance - parameters are stored into *params. */ -BROTLI_INTERNAL void BrotliBuildMetaBlock(MemoryManager* m, - const uint8_t* ringbuffer, - const size_t pos, - const size_t mask, - BrotliEncoderParams* params, - uint8_t prev_byte, - uint8_t prev_byte2, - Command* cmds, - size_t num_commands, - ContextType literal_context_mode, - MetaBlockSplit* mb); - -/* Uses a fast greedy block splitter that tries to merge current block with the - last or the second last block and uses a static context clustering which - is the same for all block types. */ -BROTLI_INTERNAL void BrotliBuildMetaBlockGreedy( - MemoryManager* m, const uint8_t* ringbuffer, size_t pos, size_t mask, - uint8_t prev_byte, uint8_t prev_byte2, ContextLut literal_context_lut, - size_t num_contexts, const uint32_t* static_context_map, - const Command* commands, size_t n_commands, MetaBlockSplit* mb); - -BROTLI_INTERNAL void BrotliOptimizeHistograms(uint32_t num_distance_codes, - MetaBlockSplit* mb); - -BROTLI_INTERNAL void BrotliInitDistanceParams(BrotliDistanceParams* params, - uint32_t npostfix, uint32_t ndirect, BROTLI_BOOL large_window); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_METABLOCK_H_ */ diff --git a/src/deps/brotli/enc/metablock_inc.h b/src/deps/brotli/enc/metablock_inc.h deleted file mode 100644 index f9393869ab..0000000000 --- a/src/deps/brotli/enc/metablock_inc.h +++ /dev/null @@ -1,185 +0,0 @@ -/* NOLINT(build/header_guard) */ -/* Copyright 2015 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* template parameters: FN */ - -#define HistogramType FN(Histogram) - -/* Greedy block splitter for one block category (literal, command or distance). -*/ -typedef struct FN(BlockSplitter) { - /* Alphabet size of particular block category. */ - size_t alphabet_size_; - /* We collect at least this many symbols for each block. */ - size_t min_block_size_; - /* We merge histograms A and B if - entropy(A+B) < entropy(A) + entropy(B) + split_threshold_, - where A is the current histogram and B is the histogram of the last or the - second last block type. */ - double split_threshold_; - - size_t num_blocks_; - BlockSplit* split_; /* not owned */ - HistogramType* histograms_; /* not owned */ - size_t* histograms_size_; /* not owned */ - - /* Temporary storage for BlockSplitterFinishBlock. */ - HistogramType combined_histo[2]; - - /* The number of symbols that we want to collect before deciding on whether - or not to merge the block with a previous one or emit a new block. */ - size_t target_block_size_; - /* The number of symbols in the current histogram. */ - size_t block_size_; - /* Offset of the current histogram. */ - size_t curr_histogram_ix_; - /* Offset of the histograms of the previous two block types. */ - size_t last_histogram_ix_[2]; - /* Entropy of the previous two block types. */ - double last_entropy_[2]; - /* The number of times we merged the current block with the last one. */ - size_t merge_last_count_; -} FN(BlockSplitter); - -static void FN(InitBlockSplitter)( - MemoryManager* m, FN(BlockSplitter)* self, size_t alphabet_size, - size_t min_block_size, double split_threshold, size_t num_symbols, - BlockSplit* split, HistogramType** histograms, size_t* histograms_size) { - size_t max_num_blocks = num_symbols / min_block_size + 1; - /* We have to allocate one more histogram than the maximum number of block - types for the current histogram when the meta-block is too big. */ - size_t max_num_types = - BROTLI_MIN(size_t, max_num_blocks, BROTLI_MAX_NUMBER_OF_BLOCK_TYPES + 1); - self->alphabet_size_ = alphabet_size; - self->min_block_size_ = min_block_size; - self->split_threshold_ = split_threshold; - self->num_blocks_ = 0; - self->split_ = split; - self->histograms_size_ = histograms_size; - self->target_block_size_ = min_block_size; - self->block_size_ = 0; - self->curr_histogram_ix_ = 0; - self->merge_last_count_ = 0; - BROTLI_ENSURE_CAPACITY(m, uint8_t, - split->types, split->types_alloc_size, max_num_blocks); - BROTLI_ENSURE_CAPACITY(m, uint32_t, - split->lengths, split->lengths_alloc_size, max_num_blocks); - if (BROTLI_IS_OOM(m)) return; - self->split_->num_blocks = max_num_blocks; - BROTLI_DCHECK(*histograms == 0); - *histograms_size = max_num_types; - *histograms = BROTLI_ALLOC(m, HistogramType, *histograms_size); - self->histograms_ = *histograms; - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(*histograms)) return; - /* Clear only current histogram. */ - FN(HistogramClear)(&self->histograms_[0]); - self->last_histogram_ix_[0] = self->last_histogram_ix_[1] = 0; -} - -/* Does either of three things: - (1) emits the current block with a new block type; - (2) emits the current block with the type of the second last block; - (3) merges the current block with the last block. */ -static void FN(BlockSplitterFinishBlock)( - FN(BlockSplitter)* self, BROTLI_BOOL is_final) { - BlockSplit* split = self->split_; - double* last_entropy = self->last_entropy_; - HistogramType* histograms = self->histograms_; - self->block_size_ = - BROTLI_MAX(size_t, self->block_size_, self->min_block_size_); - if (self->num_blocks_ == 0) { - /* Create first block. */ - split->lengths[0] = (uint32_t)self->block_size_; - split->types[0] = 0; - last_entropy[0] = - BitsEntropy(histograms[0].data_, self->alphabet_size_); - last_entropy[1] = last_entropy[0]; - ++self->num_blocks_; - ++split->num_types; - ++self->curr_histogram_ix_; - if (self->curr_histogram_ix_ < *self->histograms_size_) - FN(HistogramClear)(&histograms[self->curr_histogram_ix_]); - self->block_size_ = 0; - } else if (self->block_size_ > 0) { - double entropy = BitsEntropy(histograms[self->curr_histogram_ix_].data_, - self->alphabet_size_); - double combined_entropy[2]; - double diff[2]; - size_t j; - for (j = 0; j < 2; ++j) { - size_t last_histogram_ix = self->last_histogram_ix_[j]; - self->combined_histo[j] = histograms[self->curr_histogram_ix_]; - FN(HistogramAddHistogram)(&self->combined_histo[j], - &histograms[last_histogram_ix]); - combined_entropy[j] = BitsEntropy( - &self->combined_histo[j].data_[0], self->alphabet_size_); - diff[j] = combined_entropy[j] - entropy - last_entropy[j]; - } - - if (split->num_types < BROTLI_MAX_NUMBER_OF_BLOCK_TYPES && - diff[0] > self->split_threshold_ && - diff[1] > self->split_threshold_) { - /* Create new block. */ - split->lengths[self->num_blocks_] = (uint32_t)self->block_size_; - split->types[self->num_blocks_] = (uint8_t)split->num_types; - self->last_histogram_ix_[1] = self->last_histogram_ix_[0]; - self->last_histogram_ix_[0] = (uint8_t)split->num_types; - last_entropy[1] = last_entropy[0]; - last_entropy[0] = entropy; - ++self->num_blocks_; - ++split->num_types; - ++self->curr_histogram_ix_; - if (self->curr_histogram_ix_ < *self->histograms_size_) - FN(HistogramClear)(&histograms[self->curr_histogram_ix_]); - self->block_size_ = 0; - self->merge_last_count_ = 0; - self->target_block_size_ = self->min_block_size_; - } else if (diff[1] < diff[0] - 20.0) { - /* Combine this block with second last block. */ - split->lengths[self->num_blocks_] = (uint32_t)self->block_size_; - split->types[self->num_blocks_] = split->types[self->num_blocks_ - 2]; - BROTLI_SWAP(size_t, self->last_histogram_ix_, 0, 1); - histograms[self->last_histogram_ix_[0]] = self->combined_histo[1]; - last_entropy[1] = last_entropy[0]; - last_entropy[0] = combined_entropy[1]; - ++self->num_blocks_; - self->block_size_ = 0; - FN(HistogramClear)(&histograms[self->curr_histogram_ix_]); - self->merge_last_count_ = 0; - self->target_block_size_ = self->min_block_size_; - } else { - /* Combine this block with last block. */ - split->lengths[self->num_blocks_ - 1] += (uint32_t)self->block_size_; - histograms[self->last_histogram_ix_[0]] = self->combined_histo[0]; - last_entropy[0] = combined_entropy[0]; - if (split->num_types == 1) { - last_entropy[1] = last_entropy[0]; - } - self->block_size_ = 0; - FN(HistogramClear)(&histograms[self->curr_histogram_ix_]); - if (++self->merge_last_count_ > 1) { - self->target_block_size_ += self->min_block_size_; - } - } - } - if (is_final) { - *self->histograms_size_ = split->num_types; - split->num_blocks = self->num_blocks_; - } -} - -/* Adds the next symbol to the current histogram. When the current histogram - reaches the target size, decides on merging the block. */ -static void FN(BlockSplitterAddSymbol)(FN(BlockSplitter)* self, size_t symbol) { - FN(HistogramAdd)(&self->histograms_[self->curr_histogram_ix_], symbol); - ++self->block_size_; - if (self->block_size_ == self->target_block_size_) { - FN(BlockSplitterFinishBlock)(self, /* is_final = */ BROTLI_FALSE); - } -} - -#undef HistogramType diff --git a/src/deps/brotli/enc/params.h b/src/deps/brotli/enc/params.h deleted file mode 100644 index 78b2ab6082..0000000000 --- a/src/deps/brotli/enc/params.h +++ /dev/null @@ -1,47 +0,0 @@ -/* Copyright 2017 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Parameters for the Brotli encoder with chosen quality levels. */ - -#ifndef BROTLI_ENC_PARAMS_H_ -#define BROTLI_ENC_PARAMS_H_ - -#include - -#include "encoder_dict.h" - -typedef struct BrotliHasherParams { - int type; - int bucket_bits; - int block_bits; - int num_last_distances_to_check; -} BrotliHasherParams; - -typedef struct BrotliDistanceParams { - uint32_t distance_postfix_bits; - uint32_t num_direct_distance_codes; - uint32_t alphabet_size_max; - uint32_t alphabet_size_limit; - size_t max_distance; -} BrotliDistanceParams; - -/* Encoding parameters */ -typedef struct BrotliEncoderParams { - BrotliEncoderMode mode; - int quality; - int lgwin; - int lgblock; - size_t stream_offset; - size_t size_hint; - BROTLI_BOOL disable_literal_context_modeling; - BROTLI_BOOL large_window; - BrotliHasherParams hasher; - BrotliDistanceParams dist; - /* TODO(eustas): rename to BrotliShared... */ - SharedEncoderDictionary dictionary; -} BrotliEncoderParams; - -#endif /* BROTLI_ENC_PARAMS_H_ */ diff --git a/src/deps/brotli/enc/prefix.h b/src/deps/brotli/enc/prefix.h deleted file mode 100644 index 0f006f1614..0000000000 --- a/src/deps/brotli/enc/prefix.h +++ /dev/null @@ -1,54 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Functions for encoding of integers into prefix codes the amount of extra - bits, and the actual values of the extra bits. */ - -#ifndef BROTLI_ENC_PREFIX_H_ -#define BROTLI_ENC_PREFIX_H_ - -#include - -#include "../common/constants.h" -#include "../common/platform.h" -#include "fast_log.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/* Here distance_code is an intermediate code, i.e. one of the special codes or - the actual distance increased by BROTLI_NUM_DISTANCE_SHORT_CODES - 1. */ -static BROTLI_INLINE void PrefixEncodeCopyDistance(size_t distance_code, - size_t num_direct_codes, - size_t postfix_bits, - uint16_t* code, - uint32_t* extra_bits) { - if (distance_code < BROTLI_NUM_DISTANCE_SHORT_CODES + num_direct_codes) { - *code = (uint16_t)distance_code; - *extra_bits = 0; - return; - } else { - size_t dist = ((size_t)1 << (postfix_bits + 2u)) + - (distance_code - BROTLI_NUM_DISTANCE_SHORT_CODES - num_direct_codes); - size_t bucket = Log2FloorNonZero(dist) - 1; - size_t postfix_mask = (1u << postfix_bits) - 1; - size_t postfix = dist & postfix_mask; - size_t prefix = (dist >> bucket) & 1; - size_t offset = (2 + prefix) << bucket; - size_t nbits = bucket - postfix_bits; - *code = (uint16_t)((nbits << 10) | - (BROTLI_NUM_DISTANCE_SHORT_CODES + num_direct_codes + - ((2 * (nbits - 1) + prefix) << postfix_bits) + postfix)); - *extra_bits = (uint32_t)((dist - offset) >> postfix_bits); - } -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_PREFIX_H_ */ diff --git a/src/deps/brotli/enc/quality.h b/src/deps/brotli/enc/quality.h deleted file mode 100644 index ffdfd72fb4..0000000000 --- a/src/deps/brotli/enc/quality.h +++ /dev/null @@ -1,202 +0,0 @@ -/* Copyright 2016 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Constants and formulas that affect speed-ratio trade-offs and thus define - quality levels. */ - -#ifndef BROTLI_ENC_QUALITY_H_ -#define BROTLI_ENC_QUALITY_H_ - -#include - -#include "../common/platform.h" -#include "params.h" - -#define FAST_ONE_PASS_COMPRESSION_QUALITY 0 -#define FAST_TWO_PASS_COMPRESSION_QUALITY 1 -#define ZOPFLIFICATION_QUALITY 10 -#define HQ_ZOPFLIFICATION_QUALITY 11 - -#define MAX_QUALITY_FOR_STATIC_ENTROPY_CODES 2 -#define MIN_QUALITY_FOR_BLOCK_SPLIT 4 -#define MIN_QUALITY_FOR_NONZERO_DISTANCE_PARAMS 4 -#define MIN_QUALITY_FOR_OPTIMIZE_HISTOGRAMS 4 -#define MIN_QUALITY_FOR_EXTENSIVE_REFERENCE_SEARCH 5 -#define MIN_QUALITY_FOR_CONTEXT_MODELING 5 -#define MIN_QUALITY_FOR_HQ_CONTEXT_MODELING 7 -#define MIN_QUALITY_FOR_HQ_BLOCK_SPLITTING 10 - -/* For quality below MIN_QUALITY_FOR_BLOCK_SPLIT there is no block splitting, - so we buffer at most this much literals and commands. */ -#define MAX_NUM_DELAYED_SYMBOLS 0x2FFF - -/* Returns hash-table size for quality levels 0 and 1. */ -static BROTLI_INLINE size_t MaxHashTableSize(int quality) { - return quality == FAST_ONE_PASS_COMPRESSION_QUALITY ? 1 << 15 : 1 << 17; -} - -/* The maximum length for which the zopflification uses distinct distances. */ -#define MAX_ZOPFLI_LEN_QUALITY_10 150 -#define MAX_ZOPFLI_LEN_QUALITY_11 325 - -/* Do not thoroughly search when a long copy is found. */ -#define BROTLI_LONG_COPY_QUICK_STEP 16384 - -static BROTLI_INLINE size_t MaxZopfliLen(const BrotliEncoderParams* params) { - return params->quality <= 10 ? - MAX_ZOPFLI_LEN_QUALITY_10 : - MAX_ZOPFLI_LEN_QUALITY_11; -} - -/* Number of best candidates to evaluate to expand Zopfli chain. */ -static BROTLI_INLINE size_t MaxZopfliCandidates( - const BrotliEncoderParams* params) { - return params->quality <= 10 ? 1 : 5; -} - -static BROTLI_INLINE void SanitizeParams(BrotliEncoderParams* params) { - params->quality = BROTLI_MIN(int, BROTLI_MAX_QUALITY, - BROTLI_MAX(int, BROTLI_MIN_QUALITY, params->quality)); - if (params->quality <= MAX_QUALITY_FOR_STATIC_ENTROPY_CODES) { - params->large_window = BROTLI_FALSE; - } - if (params->lgwin < BROTLI_MIN_WINDOW_BITS) { - params->lgwin = BROTLI_MIN_WINDOW_BITS; - } else { - int max_lgwin = params->large_window ? BROTLI_LARGE_MAX_WINDOW_BITS : - BROTLI_MAX_WINDOW_BITS; - if (params->lgwin > max_lgwin) params->lgwin = max_lgwin; - } -} - -/* Returns optimized lg_block value. */ -static BROTLI_INLINE int ComputeLgBlock(const BrotliEncoderParams* params) { - int lgblock = params->lgblock; - if (params->quality == FAST_ONE_PASS_COMPRESSION_QUALITY || - params->quality == FAST_TWO_PASS_COMPRESSION_QUALITY) { - lgblock = params->lgwin; - } else if (params->quality < MIN_QUALITY_FOR_BLOCK_SPLIT) { - lgblock = 14; - } else if (lgblock == 0) { - lgblock = 16; - if (params->quality >= 9 && params->lgwin > lgblock) { - lgblock = BROTLI_MIN(int, 18, params->lgwin); - } - } else { - lgblock = BROTLI_MIN(int, BROTLI_MAX_INPUT_BLOCK_BITS, - BROTLI_MAX(int, BROTLI_MIN_INPUT_BLOCK_BITS, lgblock)); - } - return lgblock; -} - -/* Returns log2 of the size of main ring buffer area. - Allocate at least lgwin + 1 bits for the ring buffer so that the newly - added block fits there completely and we still get lgwin bits and at least - read_block_size_bits + 1 bits because the copy tail length needs to be - smaller than ring-buffer size. */ -static BROTLI_INLINE int ComputeRbBits(const BrotliEncoderParams* params) { - return 1 + BROTLI_MAX(int, params->lgwin, params->lgblock); -} - -static BROTLI_INLINE size_t MaxMetablockSize( - const BrotliEncoderParams* params) { - int bits = - BROTLI_MIN(int, ComputeRbBits(params), BROTLI_MAX_INPUT_BLOCK_BITS); - return (size_t)1 << bits; -} - -/* When searching for backward references and have not seen matches for a long - time, we can skip some match lookups. Unsuccessful match lookups are very - expensive and this kind of a heuristic speeds up compression quite a lot. - At first 8 byte strides are taken and every second byte is put to hasher. - After 4x more literals stride by 16 bytes, every put 4-th byte to hasher. - Applied only to qualities 2 to 9. */ -static BROTLI_INLINE size_t LiteralSpreeLengthForSparseSearch( - const BrotliEncoderParams* params) { - return params->quality < 9 ? 64 : 512; -} - -/* Quality to hasher mapping: - - - q02: h02 (longest_match_quickly), b16, l5 - - - q03: h03 (longest_match_quickly), b17, l5 - - - q04: h04 (longest_match_quickly), b17, l5 - - q04: h54 (longest_match_quickly), b20, l7 | for large files - - - q05: h05 (longest_match ), b14, l4 - - q05: h06 (longest_match64 ), b15, l5 | for large files - - q05: h40 (forgetful_chain ), b15, l4 | for small window - - - q06: h05 (longest_match ), b14, l4 - - q06: h06 (longest_match64 ), b15, l5 | for large files - - q06: h40 (forgetful_chain ), b15, l4 | for small window - - - q07: h05 (longest_match ), b15, l4 - - q07: h06 (longest_match64 ), b15, l5 | for large files - - q07: h41 (forgetful_chain ), b15, l4 | for small window - - - q08: h05 (longest_match ), b15, l4 - - q08: h06 (longest_match64 ), b15, l5 | for large files - - q08: h41 (forgetful_chain ), b15, l4 | for small window - - - q09: h05 (longest_match ), b15, l4 - - q09: h06 (longest_match64 ), b15, l5 | for large files - - q09: h42 (forgetful_chain ), b15, l4 | for small window - - - q10: t10 (to_binary_tree ), b17, l128 - - - q11: t10 (to_binary_tree ), b17, l128 - - Where "q" is quality, "h" is hasher type, "b" is bucket bits, - "l" is source len. */ -static BROTLI_INLINE void ChooseHasher(const BrotliEncoderParams* params, - BrotliHasherParams* hparams) { - if (params->quality > 9) { - hparams->type = 10; - } else if (params->quality == 4 && params->size_hint >= (1 << 20)) { - hparams->type = 54; - } else if (params->quality < 5) { - hparams->type = params->quality; - } else if (params->lgwin <= 16) { - hparams->type = params->quality < 7 ? 40 : params->quality < 9 ? 41 : 42; - } else if (params->size_hint >= (1 << 20) && params->lgwin >= 19) { - hparams->type = 6; - hparams->block_bits = params->quality - 1; - hparams->bucket_bits = 15; - hparams->num_last_distances_to_check = - params->quality < 7 ? 4 : params->quality < 9 ? 10 : 16; - } else { - /* TODO(eustas): often previous setting (H6) is faster and denser; consider - adding an option to use it. */ - hparams->type = 5; - hparams->block_bits = params->quality - 1; - hparams->bucket_bits = params->quality < 7 ? 14 : 15; - hparams->num_last_distances_to_check = - params->quality < 7 ? 4 : params->quality < 9 ? 10 : 16; - } - - if (params->lgwin > 24) { - /* Different hashers for large window brotli: not for qualities <= 2, - these are too fast for large window. Not for qualities >= 10: their - hasher already works well with large window. So the changes are: - H3 --> H35: for quality 3. - H54 --> H55: for quality 4 with size hint > 1MB - H6 --> H65: for qualities 5, 6, 7, 8, 9. */ - if (hparams->type == 3) { - hparams->type = 35; - } - if (hparams->type == 54) { - hparams->type = 55; - } - if (hparams->type == 6) { - hparams->type = 65; - } - } -} - -#endif /* BROTLI_ENC_QUALITY_H_ */ diff --git a/src/deps/brotli/enc/ringbuffer.h b/src/deps/brotli/enc/ringbuffer.h deleted file mode 100644 index 27245b7f39..0000000000 --- a/src/deps/brotli/enc/ringbuffer.h +++ /dev/null @@ -1,168 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Sliding window over the input data. */ - -#ifndef BROTLI_ENC_RINGBUFFER_H_ -#define BROTLI_ENC_RINGBUFFER_H_ - -#include /* memcpy */ - -#include - -#include "../common/platform.h" -#include "memory.h" -#include "quality.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/* A RingBuffer(window_bits, tail_bits) contains `1 << window_bits' bytes of - data in a circular manner: writing a byte writes it to: - `position() % (1 << window_bits)'. - For convenience, the RingBuffer array contains another copy of the - first `1 << tail_bits' bytes: - buffer_[i] == buffer_[i + (1 << window_bits)], if i < (1 << tail_bits), - and another copy of the last two bytes: - buffer_[-1] == buffer_[(1 << window_bits) - 1] and - buffer_[-2] == buffer_[(1 << window_bits) - 2]. */ -typedef struct RingBuffer { - /* Size of the ring-buffer is (1 << window_bits) + tail_size_. */ - const uint32_t size_; - const uint32_t mask_; - const uint32_t tail_size_; - const uint32_t total_size_; - - uint32_t cur_size_; - /* Position to write in the ring buffer. */ - uint32_t pos_; - /* The actual ring buffer containing the copy of the last two bytes, the data, - and the copy of the beginning as a tail. */ - uint8_t* data_; - /* The start of the ring-buffer. */ - uint8_t* buffer_; -} RingBuffer; - -static BROTLI_INLINE void RingBufferInit(RingBuffer* rb) { - rb->cur_size_ = 0; - rb->pos_ = 0; - rb->data_ = 0; - rb->buffer_ = 0; -} - -static BROTLI_INLINE void RingBufferSetup( - const BrotliEncoderParams* params, RingBuffer* rb) { - int window_bits = ComputeRbBits(params); - int tail_bits = params->lgblock; - *(uint32_t*)&rb->size_ = 1u << window_bits; - *(uint32_t*)&rb->mask_ = (1u << window_bits) - 1; - *(uint32_t*)&rb->tail_size_ = 1u << tail_bits; - *(uint32_t*)&rb->total_size_ = rb->size_ + rb->tail_size_; -} - -static BROTLI_INLINE void RingBufferFree(MemoryManager* m, RingBuffer* rb) { - BROTLI_FREE(m, rb->data_); -} - -/* Allocates or re-allocates data_ to the given length + plus some slack - region before and after. Fills the slack regions with zeros. */ -static BROTLI_INLINE void RingBufferInitBuffer( - MemoryManager* m, const uint32_t buflen, RingBuffer* rb) { - static const size_t kSlackForEightByteHashingEverywhere = 7; - uint8_t* new_data = BROTLI_ALLOC( - m, uint8_t, 2 + buflen + kSlackForEightByteHashingEverywhere); - size_t i; - if (BROTLI_IS_OOM(m) || BROTLI_IS_NULL(new_data)) return; - if (rb->data_) { - memcpy(new_data, rb->data_, - 2 + rb->cur_size_ + kSlackForEightByteHashingEverywhere); - BROTLI_FREE(m, rb->data_); - } - rb->data_ = new_data; - rb->cur_size_ = buflen; - rb->buffer_ = rb->data_ + 2; - rb->buffer_[-2] = rb->buffer_[-1] = 0; - for (i = 0; i < kSlackForEightByteHashingEverywhere; ++i) { - rb->buffer_[rb->cur_size_ + i] = 0; - } -} - -static BROTLI_INLINE void RingBufferWriteTail( - const uint8_t* bytes, size_t n, RingBuffer* rb) { - const size_t masked_pos = rb->pos_ & rb->mask_; - if (BROTLI_PREDICT_FALSE(masked_pos < rb->tail_size_)) { - /* Just fill the tail buffer with the beginning data. */ - const size_t p = rb->size_ + masked_pos; - memcpy(&rb->buffer_[p], bytes, - BROTLI_MIN(size_t, n, rb->tail_size_ - masked_pos)); - } -} - -/* Push bytes into the ring buffer. */ -static BROTLI_INLINE void RingBufferWrite( - MemoryManager* m, const uint8_t* bytes, size_t n, RingBuffer* rb) { - if (rb->pos_ == 0 && n < rb->tail_size_) { - /* Special case for the first write: to process the first block, we don't - need to allocate the whole ring-buffer and we don't need the tail - either. However, we do this memory usage optimization only if the - first write is less than the tail size, which is also the input block - size, otherwise it is likely that other blocks will follow and we - will need to reallocate to the full size anyway. */ - rb->pos_ = (uint32_t)n; - RingBufferInitBuffer(m, rb->pos_, rb); - if (BROTLI_IS_OOM(m)) return; - memcpy(rb->buffer_, bytes, n); - return; - } - if (rb->cur_size_ < rb->total_size_) { - /* Lazily allocate the full buffer. */ - RingBufferInitBuffer(m, rb->total_size_, rb); - if (BROTLI_IS_OOM(m)) return; - /* Initialize the last two bytes to zero, so that we don't have to worry - later when we copy the last two bytes to the first two positions. */ - rb->buffer_[rb->size_ - 2] = 0; - rb->buffer_[rb->size_ - 1] = 0; - /* Initialize tail; might be touched by "best_len++" optimization when - ring buffer is "full". */ - rb->buffer_[rb->size_] = 241; - } - { - const size_t masked_pos = rb->pos_ & rb->mask_; - /* The length of the writes is limited so that we do not need to worry - about a write */ - RingBufferWriteTail(bytes, n, rb); - if (BROTLI_PREDICT_TRUE(masked_pos + n <= rb->size_)) { - /* A single write fits. */ - memcpy(&rb->buffer_[masked_pos], bytes, n); - } else { - /* Split into two writes. - Copy into the end of the buffer, including the tail buffer. */ - memcpy(&rb->buffer_[masked_pos], bytes, - BROTLI_MIN(size_t, n, rb->total_size_ - masked_pos)); - /* Copy into the beginning of the buffer */ - memcpy(&rb->buffer_[0], bytes + (rb->size_ - masked_pos), - n - (rb->size_ - masked_pos)); - } - } - { - BROTLI_BOOL not_first_lap = (rb->pos_ & (1u << 31)) != 0; - uint32_t rb_pos_mask = (1u << 31) - 1; - rb->buffer_[-2] = rb->buffer_[rb->size_ - 2]; - rb->buffer_[-1] = rb->buffer_[rb->size_ - 1]; - rb->pos_ = (rb->pos_ & rb_pos_mask) + (uint32_t)(n & rb_pos_mask); - if (not_first_lap) { - /* Wrap, but preserve not-a-first-lap feature. */ - rb->pos_ |= 1u << 31; - } - } -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_RINGBUFFER_H_ */ diff --git a/src/deps/brotli/enc/state.h b/src/deps/brotli/enc/state.h deleted file mode 100644 index cb82987701..0000000000 --- a/src/deps/brotli/enc/state.h +++ /dev/null @@ -1,104 +0,0 @@ -/* Copyright 2022 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Encoder state. */ - -#ifndef BROTLI_ENC_STATE_H_ -#define BROTLI_ENC_STATE_H_ - -#include - -#include "command.h" -#include "compress_fragment.h" -#include "compress_fragment_two_pass.h" -#include "hash.h" -#include "memory.h" -#include "params.h" -#include "ringbuffer.h" - -typedef enum BrotliEncoderStreamState { - /* Default state. */ - BROTLI_STREAM_PROCESSING = 0, - /* Intermediate state; after next block is emitted, byte-padding should be - performed before getting back to default state. */ - BROTLI_STREAM_FLUSH_REQUESTED = 1, - /* Last metablock was produced; no more input is acceptable. */ - BROTLI_STREAM_FINISHED = 2, - /* Flushing compressed block and writing meta-data block header. */ - BROTLI_STREAM_METADATA_HEAD = 3, - /* Writing metadata block body. */ - BROTLI_STREAM_METADATA_BODY = 4 -} BrotliEncoderStreamState; - -typedef enum BrotliEncoderFlintState { - BROTLI_FLINT_NEEDS_2_BYTES = 2, - BROTLI_FLINT_NEEDS_1_BYTE = 1, - BROTLI_FLINT_WAITING_FOR_PROCESSING = 0, - BROTLI_FLINT_WAITING_FOR_FLUSHING = -1, - BROTLI_FLINT_DONE = -2 -} BrotliEncoderFlintState; - -typedef struct BrotliEncoderStateStruct { - BrotliEncoderParams params; - - MemoryManager memory_manager_; - - uint64_t input_pos_; - RingBuffer ringbuffer_; - size_t cmd_alloc_size_; - Command* commands_; - size_t num_commands_; - size_t num_literals_; - size_t last_insert_len_; - uint64_t last_flush_pos_; - uint64_t last_processed_pos_; - int dist_cache_[BROTLI_NUM_DISTANCE_SHORT_CODES]; - int saved_dist_cache_[4]; - uint16_t last_bytes_; - uint8_t last_bytes_bits_; - /* "Flint" is a tiny uncompressed block emitted before the continuation - block to unwire literal context from previous data. Despite being int8_t, - field is actually BrotliEncoderFlintState enum. */ - int8_t flint_; - uint8_t prev_byte_; - uint8_t prev_byte2_; - size_t storage_size_; - uint8_t* storage_; - - Hasher hasher_; - - /* Hash table for FAST_ONE_PASS_COMPRESSION_QUALITY mode. */ - int small_table_[1 << 10]; /* 4KiB */ - int* large_table_; /* Allocated only when needed */ - size_t large_table_size_; - - BrotliOnePassArena* one_pass_arena_; - BrotliTwoPassArena* two_pass_arena_; - - /* Command and literal buffers for FAST_TWO_PASS_COMPRESSION_QUALITY. */ - uint32_t* command_buf_; - uint8_t* literal_buf_; - - uint64_t total_in_; - uint8_t* next_out_; - size_t available_out_; - uint64_t total_out_; - /* Temporary buffer for padding flush bits or metadata block header / body. */ - union { - uint64_t u64[2]; - uint8_t u8[16]; - } tiny_buf_; - uint32_t remaining_metadata_bytes_; - BrotliEncoderStreamState stream_state_; - - BROTLI_BOOL is_last_block_emitted_; - BROTLI_BOOL is_initialized_; -} BrotliEncoderStateStruct; - -typedef struct BrotliEncoderStateStruct BrotliEncoderStateInternal; -#define BrotliEncoderState BrotliEncoderStateInternal - -#endif // BROTLI_ENC_STATE_H_ diff --git a/src/deps/brotli/enc/static_dict.c b/src/deps/brotli/enc/static_dict.c deleted file mode 100644 index 291d283354..0000000000 --- a/src/deps/brotli/enc/static_dict.c +++ /dev/null @@ -1,542 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -#include "static_dict.h" - -#include "../common/dictionary.h" -#include "../common/platform.h" -#include "../common/transform.h" -#include "encoder_dict.h" -#include "find_match_length.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -static BROTLI_INLINE uint32_t Hash(const uint8_t* data) { - uint32_t h = BROTLI_UNALIGNED_LOAD32LE(data) * kDictHashMul32; - /* The higher bits contain more mixture from the multiplication, - so we take our results from there. */ - return h >> (32 - kDictNumBits); -} - -static BROTLI_INLINE void AddMatch(size_t distance, size_t len, size_t len_code, - uint32_t* matches) { - uint32_t match = (uint32_t)((distance << 5) + len_code); - matches[len] = BROTLI_MIN(uint32_t, matches[len], match); -} - -static BROTLI_INLINE size_t DictMatchLength(const BrotliDictionary* dictionary, - const uint8_t* data, - size_t id, - size_t len, - size_t maxlen) { - const size_t offset = dictionary->offsets_by_length[len] + len * id; - return FindMatchLengthWithLimit(&dictionary->data[offset], data, - BROTLI_MIN(size_t, len, maxlen)); -} - -static BROTLI_INLINE BROTLI_BOOL IsMatch(const BrotliDictionary* dictionary, - DictWord w, const uint8_t* data, size_t max_length) { - if (w.len > max_length) { - return BROTLI_FALSE; - } else { - const size_t offset = dictionary->offsets_by_length[w.len] + - (size_t)w.len * (size_t)w.idx; - const uint8_t* dict = &dictionary->data[offset]; - if (w.transform == 0) { - /* Match against base dictionary word. */ - return - TO_BROTLI_BOOL(FindMatchLengthWithLimit(dict, data, w.len) == w.len); - } else if (w.transform == 10) { - /* Match against uppercase first transform. - Note that there are only ASCII uppercase words in the lookup table. */ - return TO_BROTLI_BOOL(dict[0] >= 'a' && dict[0] <= 'z' && - (dict[0] ^ 32) == data[0] && - FindMatchLengthWithLimit(&dict[1], &data[1], w.len - 1u) == - w.len - 1u); - } else { - /* Match against uppercase all transform. - Note that there are only ASCII uppercase words in the lookup table. */ - size_t i; - for (i = 0; i < w.len; ++i) { - if (dict[i] >= 'a' && dict[i] <= 'z') { - if ((dict[i] ^ 32) != data[i]) return BROTLI_FALSE; - } else { - if (dict[i] != data[i]) return BROTLI_FALSE; - } - } - return BROTLI_TRUE; - } - } -} - -/* Finds matches for a single static dictionary */ -static BROTLI_BOOL BrotliFindAllStaticDictionaryMatchesFor( - const BrotliEncoderDictionary* dictionary, const uint8_t* data, - size_t min_length, size_t max_length, uint32_t* matches) { - BROTLI_BOOL has_found_match = BROTLI_FALSE; -#if defined(BROTLI_EXPERIMENTAL) - if (dictionary->has_words_heavy) { - const BrotliTrieNode* node = &dictionary->trie.root; - size_t l = 0; - while (node && l < max_length) { - uint8_t c; - if (l >= min_length && node->len_) { - AddMatch(node->idx_, l, node->len_, matches); - has_found_match = BROTLI_TRUE; - } - c = data[l++]; - node = BrotliTrieSub(&dictionary->trie, node, c); - } - return has_found_match; - } -#endif /* BROTLI_EXPERIMENTAL */ - { - size_t offset = dictionary->buckets[Hash(data)]; - BROTLI_BOOL end = !offset; - while (!end) { - DictWord w = dictionary->dict_words[offset++]; - const size_t l = w.len & 0x1F; - const size_t n = (size_t)1 << dictionary->words->size_bits_by_length[l]; - const size_t id = w.idx; - end = !!(w.len & 0x80); - w.len = (uint8_t)l; - if (w.transform == 0) { - const size_t matchlen = - DictMatchLength(dictionary->words, data, id, l, max_length); - const uint8_t* s; - size_t minlen; - size_t maxlen; - size_t len; - /* Transform "" + BROTLI_TRANSFORM_IDENTITY + "" */ - if (matchlen == l) { - AddMatch(id, l, l, matches); - has_found_match = BROTLI_TRUE; - } - /* Transforms "" + BROTLI_TRANSFORM_OMIT_LAST_1 + "" and - "" + BROTLI_TRANSFORM_OMIT_LAST_1 + "ing " */ - if (matchlen >= l - 1) { - AddMatch(id + 12 * n, l - 1, l, matches); - if (l + 2 < max_length && - data[l - 1] == 'i' && data[l] == 'n' && data[l + 1] == 'g' && - data[l + 2] == ' ') { - AddMatch(id + 49 * n, l + 3, l, matches); - } - has_found_match = BROTLI_TRUE; - } - /* Transform "" + BROTLI_TRANSFORM_OMIT_LAST_# + "" (# = 2 .. 9) */ - minlen = min_length; - if (l > 9) minlen = BROTLI_MAX(size_t, minlen, l - 9); - maxlen = BROTLI_MIN(size_t, matchlen, l - 2); - for (len = minlen; len <= maxlen; ++len) { - size_t cut = l - len; - size_t transform_id = (cut << 2) + - (size_t)((dictionary->cutoffTransforms >> (cut * 6)) & 0x3F); - AddMatch(id + transform_id * n, len, l, matches); - has_found_match = BROTLI_TRUE; - } - if (matchlen < l || l + 6 >= max_length) { - continue; - } - s = &data[l]; - /* Transforms "" + BROTLI_TRANSFORM_IDENTITY + */ - if (s[0] == ' ') { - AddMatch(id + n, l + 1, l, matches); - if (s[1] == 'a') { - if (s[2] == ' ') { - AddMatch(id + 28 * n, l + 3, l, matches); - } else if (s[2] == 's') { - if (s[3] == ' ') AddMatch(id + 46 * n, l + 4, l, matches); - } else if (s[2] == 't') { - if (s[3] == ' ') AddMatch(id + 60 * n, l + 4, l, matches); - } else if (s[2] == 'n') { - if (s[3] == 'd' && s[4] == ' ') { - AddMatch(id + 10 * n, l + 5, l, matches); - } - } - } else if (s[1] == 'b') { - if (s[2] == 'y' && s[3] == ' ') { - AddMatch(id + 38 * n, l + 4, l, matches); - } - } else if (s[1] == 'i') { - if (s[2] == 'n') { - if (s[3] == ' ') AddMatch(id + 16 * n, l + 4, l, matches); - } else if (s[2] == 's') { - if (s[3] == ' ') AddMatch(id + 47 * n, l + 4, l, matches); - } - } else if (s[1] == 'f') { - if (s[2] == 'o') { - if (s[3] == 'r' && s[4] == ' ') { - AddMatch(id + 25 * n, l + 5, l, matches); - } - } else if (s[2] == 'r') { - if (s[3] == 'o' && s[4] == 'm' && s[5] == ' ') { - AddMatch(id + 37 * n, l + 6, l, matches); - } - } - } else if (s[1] == 'o') { - if (s[2] == 'f') { - if (s[3] == ' ') AddMatch(id + 8 * n, l + 4, l, matches); - } else if (s[2] == 'n') { - if (s[3] == ' ') AddMatch(id + 45 * n, l + 4, l, matches); - } - } else if (s[1] == 'n') { - if (s[2] == 'o' && s[3] == 't' && s[4] == ' ') { - AddMatch(id + 80 * n, l + 5, l, matches); - } - } else if (s[1] == 't') { - if (s[2] == 'h') { - if (s[3] == 'e') { - if (s[4] == ' ') AddMatch(id + 5 * n, l + 5, l, matches); - } else if (s[3] == 'a') { - if (s[4] == 't' && s[5] == ' ') { - AddMatch(id + 29 * n, l + 6, l, matches); - } - } - } else if (s[2] == 'o') { - if (s[3] == ' ') AddMatch(id + 17 * n, l + 4, l, matches); - } - } else if (s[1] == 'w') { - if (s[2] == 'i' && s[3] == 't' && s[4] == 'h' && s[5] == ' ') { - AddMatch(id + 35 * n, l + 6, l, matches); - } - } - } else if (s[0] == '"') { - AddMatch(id + 19 * n, l + 1, l, matches); - if (s[1] == '>') { - AddMatch(id + 21 * n, l + 2, l, matches); - } - } else if (s[0] == '.') { - AddMatch(id + 20 * n, l + 1, l, matches); - if (s[1] == ' ') { - AddMatch(id + 31 * n, l + 2, l, matches); - if (s[2] == 'T' && s[3] == 'h') { - if (s[4] == 'e') { - if (s[5] == ' ') AddMatch(id + 43 * n, l + 6, l, matches); - } else if (s[4] == 'i') { - if (s[5] == 's' && s[6] == ' ') { - AddMatch(id + 75 * n, l + 7, l, matches); - } - } - } - } - } else if (s[0] == ',') { - AddMatch(id + 76 * n, l + 1, l, matches); - if (s[1] == ' ') { - AddMatch(id + 14 * n, l + 2, l, matches); - } - } else if (s[0] == '\n') { - AddMatch(id + 22 * n, l + 1, l, matches); - if (s[1] == '\t') { - AddMatch(id + 50 * n, l + 2, l, matches); - } - } else if (s[0] == ']') { - AddMatch(id + 24 * n, l + 1, l, matches); - } else if (s[0] == '\'') { - AddMatch(id + 36 * n, l + 1, l, matches); - } else if (s[0] == ':') { - AddMatch(id + 51 * n, l + 1, l, matches); - } else if (s[0] == '(') { - AddMatch(id + 57 * n, l + 1, l, matches); - } else if (s[0] == '=') { - if (s[1] == '"') { - AddMatch(id + 70 * n, l + 2, l, matches); - } else if (s[1] == '\'') { - AddMatch(id + 86 * n, l + 2, l, matches); - } - } else if (s[0] == 'a') { - if (s[1] == 'l' && s[2] == ' ') { - AddMatch(id + 84 * n, l + 3, l, matches); - } - } else if (s[0] == 'e') { - if (s[1] == 'd') { - if (s[2] == ' ') AddMatch(id + 53 * n, l + 3, l, matches); - } else if (s[1] == 'r') { - if (s[2] == ' ') AddMatch(id + 82 * n, l + 3, l, matches); - } else if (s[1] == 's') { - if (s[2] == 't' && s[3] == ' ') { - AddMatch(id + 95 * n, l + 4, l, matches); - } - } - } else if (s[0] == 'f') { - if (s[1] == 'u' && s[2] == 'l' && s[3] == ' ') { - AddMatch(id + 90 * n, l + 4, l, matches); - } - } else if (s[0] == 'i') { - if (s[1] == 'v') { - if (s[2] == 'e' && s[3] == ' ') { - AddMatch(id + 92 * n, l + 4, l, matches); - } - } else if (s[1] == 'z') { - if (s[2] == 'e' && s[3] == ' ') { - AddMatch(id + 100 * n, l + 4, l, matches); - } - } - } else if (s[0] == 'l') { - if (s[1] == 'e') { - if (s[2] == 's' && s[3] == 's' && s[4] == ' ') { - AddMatch(id + 93 * n, l + 5, l, matches); - } - } else if (s[1] == 'y') { - if (s[2] == ' ') AddMatch(id + 61 * n, l + 3, l, matches); - } - } else if (s[0] == 'o') { - if (s[1] == 'u' && s[2] == 's' && s[3] == ' ') { - AddMatch(id + 106 * n, l + 4, l, matches); - } - } - } else { - /* Set is_all_caps=0 for BROTLI_TRANSFORM_UPPERCASE_FIRST and - is_all_caps=1 otherwise (BROTLI_TRANSFORM_UPPERCASE_ALL) - transform. */ - const BROTLI_BOOL is_all_caps = - TO_BROTLI_BOOL(w.transform != BROTLI_TRANSFORM_UPPERCASE_FIRST); - const uint8_t* s; - if (!IsMatch(dictionary->words, w, data, max_length)) { - continue; - } - /* Transform "" + kUppercase{First,All} + "" */ - AddMatch(id + (is_all_caps ? 44 : 9) * n, l, l, matches); - has_found_match = BROTLI_TRUE; - if (l + 1 >= max_length) { - continue; - } - /* Transforms "" + kUppercase{First,All} + */ - s = &data[l]; - if (s[0] == ' ') { - AddMatch(id + (is_all_caps ? 68 : 4) * n, l + 1, l, matches); - } else if (s[0] == '"') { - AddMatch(id + (is_all_caps ? 87 : 66) * n, l + 1, l, matches); - if (s[1] == '>') { - AddMatch(id + (is_all_caps ? 97 : 69) * n, l + 2, l, matches); - } - } else if (s[0] == '.') { - AddMatch(id + (is_all_caps ? 101 : 79) * n, l + 1, l, matches); - if (s[1] == ' ') { - AddMatch(id + (is_all_caps ? 114 : 88) * n, l + 2, l, matches); - } - } else if (s[0] == ',') { - AddMatch(id + (is_all_caps ? 112 : 99) * n, l + 1, l, matches); - if (s[1] == ' ') { - AddMatch(id + (is_all_caps ? 107 : 58) * n, l + 2, l, matches); - } - } else if (s[0] == '\'') { - AddMatch(id + (is_all_caps ? 94 : 74) * n, l + 1, l, matches); - } else if (s[0] == '(') { - AddMatch(id + (is_all_caps ? 113 : 78) * n, l + 1, l, matches); - } else if (s[0] == '=') { - if (s[1] == '"') { - AddMatch(id + (is_all_caps ? 105 : 104) * n, l + 2, l, matches); - } else if (s[1] == '\'') { - AddMatch(id + (is_all_caps ? 116 : 108) * n, l + 2, l, matches); - } - } - } - } - } - /* Transforms with prefixes " " and "." */ - if (max_length >= 5 && (data[0] == ' ' || data[0] == '.')) { - BROTLI_BOOL is_space = TO_BROTLI_BOOL(data[0] == ' '); - size_t offset = dictionary->buckets[Hash(&data[1])]; - BROTLI_BOOL end = !offset; - while (!end) { - DictWord w = dictionary->dict_words[offset++]; - const size_t l = w.len & 0x1F; - const size_t n = (size_t)1 << dictionary->words->size_bits_by_length[l]; - const size_t id = w.idx; - end = !!(w.len & 0x80); - w.len = (uint8_t)l; - if (w.transform == 0) { - const uint8_t* s; - if (!IsMatch(dictionary->words, w, &data[1], max_length - 1)) { - continue; - } - /* Transforms " " + BROTLI_TRANSFORM_IDENTITY + "" and - "." + BROTLI_TRANSFORM_IDENTITY + "" */ - AddMatch(id + (is_space ? 6 : 32) * n, l + 1, l, matches); - has_found_match = BROTLI_TRUE; - if (l + 2 >= max_length) { - continue; - } - /* Transforms " " + BROTLI_TRANSFORM_IDENTITY + and - "." + BROTLI_TRANSFORM_IDENTITY + - */ - s = &data[l + 1]; - if (s[0] == ' ') { - AddMatch(id + (is_space ? 2 : 77) * n, l + 2, l, matches); - } else if (s[0] == '(') { - AddMatch(id + (is_space ? 89 : 67) * n, l + 2, l, matches); - } else if (is_space) { - if (s[0] == ',') { - AddMatch(id + 103 * n, l + 2, l, matches); - if (s[1] == ' ') { - AddMatch(id + 33 * n, l + 3, l, matches); - } - } else if (s[0] == '.') { - AddMatch(id + 71 * n, l + 2, l, matches); - if (s[1] == ' ') { - AddMatch(id + 52 * n, l + 3, l, matches); - } - } else if (s[0] == '=') { - if (s[1] == '"') { - AddMatch(id + 81 * n, l + 3, l, matches); - } else if (s[1] == '\'') { - AddMatch(id + 98 * n, l + 3, l, matches); - } - } - } - } else if (is_space) { - /* Set is_all_caps=0 for BROTLI_TRANSFORM_UPPERCASE_FIRST and - is_all_caps=1 otherwise (BROTLI_TRANSFORM_UPPERCASE_ALL) - transform. */ - const BROTLI_BOOL is_all_caps = - TO_BROTLI_BOOL(w.transform != BROTLI_TRANSFORM_UPPERCASE_FIRST); - const uint8_t* s; - if (!IsMatch(dictionary->words, w, &data[1], max_length - 1)) { - continue; - } - /* Transforms " " + kUppercase{First,All} + "" */ - AddMatch(id + (is_all_caps ? 85 : 30) * n, l + 1, l, matches); - has_found_match = BROTLI_TRUE; - if (l + 2 >= max_length) { - continue; - } - /* Transforms " " + kUppercase{First,All} + */ - s = &data[l + 1]; - if (s[0] == ' ') { - AddMatch(id + (is_all_caps ? 83 : 15) * n, l + 2, l, matches); - } else if (s[0] == ',') { - if (!is_all_caps) { - AddMatch(id + 109 * n, l + 2, l, matches); - } - if (s[1] == ' ') { - AddMatch(id + (is_all_caps ? 111 : 65) * n, l + 3, l, matches); - } - } else if (s[0] == '.') { - AddMatch(id + (is_all_caps ? 115 : 96) * n, l + 2, l, matches); - if (s[1] == ' ') { - AddMatch(id + (is_all_caps ? 117 : 91) * n, l + 3, l, matches); - } - } else if (s[0] == '=') { - if (s[1] == '"') { - AddMatch(id + (is_all_caps ? 110 : 118) * n, l + 3, l, matches); - } else if (s[1] == '\'') { - AddMatch(id + (is_all_caps ? 119 : 120) * n, l + 3, l, matches); - } - } - } - } - } - if (max_length >= 6) { - /* Transforms with prefixes "e ", "s ", ", " and "\xC2\xA0" */ - if ((data[1] == ' ' && - (data[0] == 'e' || data[0] == 's' || data[0] == ',')) || - (data[0] == 0xC2 && data[1] == 0xA0)) { - size_t offset = dictionary->buckets[Hash(&data[2])]; - BROTLI_BOOL end = !offset; - while (!end) { - DictWord w = dictionary->dict_words[offset++]; - const size_t l = w.len & 0x1F; - const size_t n = (size_t)1 << dictionary->words->size_bits_by_length[l]; - const size_t id = w.idx; - end = !!(w.len & 0x80); - w.len = (uint8_t)l; - if (w.transform == 0 && - IsMatch(dictionary->words, w, &data[2], max_length - 2)) { - if (data[0] == 0xC2) { - AddMatch(id + 102 * n, l + 2, l, matches); - has_found_match = BROTLI_TRUE; - } else if (l + 2 < max_length && data[l + 2] == ' ') { - size_t t = data[0] == 'e' ? 18 : (data[0] == 's' ? 7 : 13); - AddMatch(id + t * n, l + 3, l, matches); - has_found_match = BROTLI_TRUE; - } - } - } - } - } - if (max_length >= 9) { - /* Transforms with prefixes " the " and ".com/" */ - if ((data[0] == ' ' && data[1] == 't' && data[2] == 'h' && - data[3] == 'e' && data[4] == ' ') || - (data[0] == '.' && data[1] == 'c' && data[2] == 'o' && - data[3] == 'm' && data[4] == '/')) { - size_t offset = dictionary->buckets[Hash(&data[5])]; - BROTLI_BOOL end = !offset; - while (!end) { - DictWord w = dictionary->dict_words[offset++]; - const size_t l = w.len & 0x1F; - const size_t n = (size_t)1 << dictionary->words->size_bits_by_length[l]; - const size_t id = w.idx; - end = !!(w.len & 0x80); - w.len = (uint8_t)l; - if (w.transform == 0 && - IsMatch(dictionary->words, w, &data[5], max_length - 5)) { - AddMatch(id + (data[0] == ' ' ? 41 : 72) * n, l + 5, l, matches); - has_found_match = BROTLI_TRUE; - if (l + 5 < max_length) { - const uint8_t* s = &data[l + 5]; - if (data[0] == ' ') { - if (l + 8 < max_length && - s[0] == ' ' && s[1] == 'o' && s[2] == 'f' && s[3] == ' ') { - AddMatch(id + 62 * n, l + 9, l, matches); - if (l + 12 < max_length && - s[4] == 't' && s[5] == 'h' && s[6] == 'e' && s[7] == ' ') { - AddMatch(id + 73 * n, l + 13, l, matches); - } - } - } - } - } - } - } - } - return has_found_match; -} - -/* Finds matches for one or more dictionaries, if multiple are present - in the contextual dictionary */ -BROTLI_BOOL BrotliFindAllStaticDictionaryMatches( - const BrotliEncoderDictionary* dictionary, const uint8_t* data, - size_t min_length, size_t max_length, uint32_t* matches) { - BROTLI_BOOL has_found_match = - BrotliFindAllStaticDictionaryMatchesFor( - dictionary, data, min_length, max_length, matches); - - if (!!dictionary->parent && dictionary->parent->num_dictionaries > 1) { - uint32_t matches2[BROTLI_MAX_STATIC_DICTIONARY_MATCH_LEN + 1]; - int l; - const BrotliEncoderDictionary* dictionary2 = dictionary->parent->dict[0]; - if (dictionary2 == dictionary) { - dictionary2 = dictionary->parent->dict[1]; - } - - for (l = 0; l < BROTLI_MAX_STATIC_DICTIONARY_MATCH_LEN + 1; l++) { - matches2[l] = kInvalidMatch; - } - - has_found_match |= BrotliFindAllStaticDictionaryMatchesFor( - dictionary2, data, min_length, max_length, matches2); - - for (l = 0; l < BROTLI_MAX_STATIC_DICTIONARY_MATCH_LEN + 1; l++) { - if (matches2[l] != kInvalidMatch) { - uint32_t dist = (uint32_t)(matches2[l] >> 5); - uint32_t len_code = matches2[l] & 31; - uint32_t skipdist = (uint32_t)((uint32_t)(1 << dictionary->words-> - size_bits_by_length[len_code]) & ~1u) * - (uint32_t)dictionary->num_transforms; - /* TODO(lode): check for dist overflow */ - dist += skipdist; - AddMatch(dist, (size_t)l, len_code, matches); - } - } - } - return has_found_match; -} -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/static_dict.h b/src/deps/brotli/enc/static_dict.h deleted file mode 100644 index ab832207d1..0000000000 --- a/src/deps/brotli/enc/static_dict.h +++ /dev/null @@ -1,41 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Class to model the static dictionary. */ - -#ifndef BROTLI_ENC_STATIC_DICT_H_ -#define BROTLI_ENC_STATIC_DICT_H_ - -#include - -#include "../common/dictionary.h" -#include "../common/platform.h" -#include "encoder_dict.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define BROTLI_MAX_STATIC_DICTIONARY_MATCH_LEN 37 -static const uint32_t kInvalidMatch = 0xFFFFFFF; - -/* Matches data against static dictionary words, and for each length l, - for which a match is found, updates matches[l] to be the minimum possible - (distance << 5) + len_code. - Returns 1 if matches have been found, otherwise 0. - Prerequisites: - matches array is at least BROTLI_MAX_STATIC_DICTIONARY_MATCH_LEN + 1 long - all elements are initialized to kInvalidMatch */ -BROTLI_INTERNAL BROTLI_BOOL BrotliFindAllStaticDictionaryMatches( - const BrotliEncoderDictionary* dictionary, - const uint8_t* data, size_t min_length, size_t max_length, - uint32_t* matches); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_STATIC_DICT_H_ */ diff --git a/src/deps/brotli/enc/static_dict_lut.h b/src/deps/brotli/enc/static_dict_lut.h deleted file mode 100644 index a465ffde74..0000000000 --- a/src/deps/brotli/enc/static_dict_lut.h +++ /dev/null @@ -1,5866 +0,0 @@ -/* Copyright 2015 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Lookup table for static dictionary and transforms. */ - -#ifndef BROTLI_ENC_STATIC_DICT_LUT_H_ -#define BROTLI_ENC_STATIC_DICT_LUT_H_ - -#include - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -typedef struct DictWord { - /* Highest bit is used to indicate end of bucket. */ - uint8_t len; - uint8_t transform; - uint16_t idx; -} DictWord; - -/* GENERATED CODE START */ -static const int kDictNumBits = 15; -static const uint32_t kDictHashMul32 = 0x1E35A7BD; - -static const uint16_t kStaticDictionaryBuckets[32768] = { -1,0,0,0,0,0,0,0,0,3,6,0,0,0,0,0,20,0,0,0,21,0,22,0,0,0,0,0,0,0,0,23,0,0,25,0,29, -0,53,0,0,0,0,0,0,55,0,0,0,0,0,0,61,76,0,0,0,94,0,0,0,0,0,0,96,0,97,0,98,0,0,0,0, -0,0,0,99,101,106,108,0,0,0,0,0,110,0,111,112,0,113,118,124,0,0,0,0,0,125,128,0,0 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-31469,31473,0,31476,0,0,0,0,31489,31490,0,0,0,0,0,0,0,31492,31493,31494,0,0,0,0, -31501,31504,31505,0,0,0,0,0,0,0,0,0,31509,0,0,0,0,31510,0,0,31511,0,0,31513,0,0, -0,0,0,0,0,0,0,31514,0,31522,31536,31539,31540,0,31541,0,0,0,0,0,0,31546,31553, -31559,0,0,0,31560,31561,31562,0,0,31564,31567,0,31569,0,0,0,31570,0,0,0,0,31571, -0,0,0,0,0,0,31572,31574,31580,31581,0,0,31582,31584,31585,31586,31595,0,31596,0, -0,0,0,31597,0,31599,0,31600,31601,0,0,31603,31604,0,0,31608,31610,0,0,0,31611,0, -31615,0,0,0,0,31616,0,0,0,0,0,0,31617,0,0,0,0,0,31618,0,0,0,0,0,0,31621,0,0,0,0, -0,0,0,0,0,31622,31625,0,0,0,0,31627,0,31641,0,0,31642,0,0,31643,0,0,0,0,0,0,0,0, -0,31644,0,31646,0,0,0,0,31648,0,0,0,31652,0,0,0,31657,0,0,31676,0,0,0,0,0,0,0, -31689,31691,31692,0,31694,0,0,0,31696,0,31702,0,31703,0}; - -static const DictWord kStaticDictionaryWords[31705] = { -{0,0,0},{8,0,1002},{136,0,1015},{4,0,683},{4,10,325},{138,10,125},{7,11,572},{9, -11,592},{11,11,680},{11,11,842},{11,11,924},{12,11,356},{12,11,550},{13,11,317}, -{13,11,370},{13,11,469},{13,11,471},{14,11,397},{18,11,69},{146,11,145},{134,0, -1265},{136,11,534},{134,0,1431},{11,0,138},{140,0,40},{4,0,155},{7,0,1689},{4,10 -,718},{135,10,1216},{4,0,245},{5,0,151},{5,0,741},{6,0,1147},{7,0,498},{7,0,870} -,{7,0,1542},{12,0,213},{14,0,36},{14,0,391},{17,0,111},{18,0,6},{18,0,46},{18,0, -151},{19,0,36},{20,0,32},{20,0,56},{20,0,69},{20,0,102},{21,0,4},{22,0,8},{22,0, -10},{22,0,14},{150,0,31},{4,0,624},{135,0,1752},{5,10,124},{5,10,144},{6,10,548} -,{7,10,15},{7,10,153},{137,10,629},{6,0,503},{9,0,586},{13,0,468},{14,0,66},{16, -0,58},{7,10,1531},{8,10,416},{9,10,275},{10,10,100},{11,10,658},{11,10,979},{12, -10,86},{14,10,207},{15,10,20},{143,10,25},{5,0,603},{7,0,1212},{9,0,565},{14,0, -301},{5,10,915},{6,10,1783},{7,10,211},{7,10,1353},{9,10,83},{10,10,376},{10,10, -431},{11,10,543},{12,10,664},{13,10,280},{13,10,428},{14,10,128},{17,10,52},{145 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-11,148},{10,11,328},{11,11,159},{11,11,253},{11,11,506},{12,11,487},{12,11,531}, -{144,11,33},{136,10,760},{5,11,14},{5,11,892},{6,11,283},{7,11,234},{136,11,537} -,{135,11,1251},{4,11,126},{8,11,635},{147,11,34},{4,11,316},{135,11,1561},{6,0, -999},{6,0,1310},{137,11,861},{4,11,64},{5,11,352},{5,11,720},{6,11,368},{139,11, -359},{4,0,75},{5,0,180},{6,0,500},{7,0,58},{7,0,710},{10,0,645},{136,10,770},{ -133,0,649},{6,0,276},{7,0,282},{7,0,879},{7,0,924},{8,0,459},{9,0,599},{9,0,754} -,{11,0,574},{12,0,128},{12,0,494},{13,0,52},{13,0,301},{15,0,30},{143,0,132},{ -132,0,200},{4,10,89},{5,10,489},{6,10,315},{7,10,553},{7,10,1745},{138,10,243},{ -135,11,1050},{7,0,1621},{6,10,1658},{9,10,3},{10,10,154},{11,10,641},{13,10,85}, -{13,10,201},{141,10,346},{6,11,175},{137,11,289},{5,11,432},{133,11,913},{6,0, -225},{137,0,211},{7,0,718},{8,0,687},{139,0,374},{4,10,166},{133,10,505},{9,0, -110},{134,10,1670},{8,0,58},{9,0,724},{11,0,809},{13,0,113},{145,0,72},{6,0,345} -,{7,0,1247},{144,11,82},{5,11,931},{134,11,1698},{8,0,767},{8,0,803},{9,0,301},{ -137,0,903},{139,0,203},{134,0,1154},{7,0,1949},{136,0,674},{134,0,259},{135,0, -1275},{5,11,774},{6,11,1637},{6,11,1686},{134,11,1751},{134,0,1231},{7,10,445},{ -8,10,307},{8,10,704},{10,10,41},{10,10,439},{11,10,237},{11,10,622},{140,10,201} -,{136,0,254},{6,11,260},{135,11,1484},{139,0,277},{135,10,1977},{4,10,189},{5,10 -,713},{6,11,573},{136,10,57},{138,10,371},{132,10,552},{134,11,344},{133,0,248}, -{9,0,800},{10,0,693},{11,0,482},{11,0,734},{11,0,789},{134,11,240},{4,0,116},{5, -0,95},{5,0,445},{7,0,1688},{8,0,29},{9,0,272},{11,0,509},{11,0,915},{4,11,292},{ -4,11,736},{5,11,871},{6,11,171},{6,11,1689},{7,11,1324},{7,11,1944},{9,11,415},{ -9,11,580},{14,11,230},{146,11,68},{7,0,490},{13,0,100},{143,0,75},{135,0,1641},{ -133,0,543},{7,11,209},{8,11,661},{10,11,42},{11,11,58},{12,11,58},{12,11,118},{ -141,11,32},{5,0,181},{8,0,41},{6,11,63},{135,11,920},{133,0,657},{133,11,793},{ -138,0,709},{7,0,25},{8,0,202},{138,0,536},{5,11,665},{135,10,1788},{145,10,49},{ -9,0,423},{140,0,89},{5,11,67},{6,11,62},{6,11,374},{135,11,1391},{8,0,113},{9,0, -877},{10,0,554},{11,0,83},{12,0,136},{19,0,109},{9,11,790},{140,11,47},{138,10, -661},{4,0,963},{10,0,927},{14,0,442},{135,10,1945},{133,0,976},{132,0,206},{4,11 -,391},{135,11,1169},{134,0,2002},{6,0,696},{134,0,1008},{134,0,1170},{132,11,271 -},{7,0,13},{8,0,226},{10,0,537},{11,0,570},{11,0,605},{11,0,799},{11,0,804},{12, -0,85},{12,0,516},{12,0,623},{13,0,112},{13,0,361},{14,0,77},{14,0,78},{17,0,28}, -{19,0,110},{140,11,314},{132,0,769},{134,0,1544},{4,0,551},{137,0,678},{5,10,84} -,{134,10,163},{9,0,57},{9,0,459},{10,0,425},{11,0,119},{12,0,184},{12,0,371},{13 -,0,358},{145,0,51},{5,0,188},{5,0,814},{8,0,10},{9,0,421},{9,0,729},{10,0,609},{ -11,0,689},{4,11,253},{5,10,410},{5,11,544},{7,11,300},{137,11,340},{134,0,624},{ -138,11,321},{135,0,1941},{18,0,130},{5,10,322},{8,10,186},{9,10,262},{10,10,187} -,{142,10,208},{5,11,53},{5,11,541},{6,11,94},{6,11,499},{7,11,230},{139,11,321}, -{133,10,227},{4,0,378},{4,11,920},{5,11,25},{5,11,790},{6,11,457},{135,11,853},{ -137,0,269},{132,0,528},{134,0,1146},{7,10,1395},{8,10,486},{9,10,236},{9,10,878} -,{10,10,218},{11,10,95},{19,10,17},{147,10,31},{7,10,2043},{8,10,672},{141,10, -448},{134,0,1105},{134,0,1616},{134,11,1765},{140,11,163},{5,10,412},{133,11,822 -},{132,11,634},{6,0,656},{134,11,1730},{134,0,1940},{5,0,104},{6,0,173},{135,0, -1631},{136,10,562},{6,11,36},{7,11,658},{8,11,454},{147,11,86},{5,0,457},{134,10 -,1771},{7,0,810},{8,0,138},{8,0,342},{9,0,84},{10,0,193},{11,0,883},{140,0,359}, -{9,0,620},{135,10,1190},{137,10,132},{7,11,975},{137,11,789},{6,0,95},{6,0,1934} -,{136,0,967},{141,11,335},{6,0,406},{10,0,409},{10,0,447},{11,0,44},{140,0,100}, -{4,10,317},{135,10,1279},{132,0,477},{134,0,1268},{6,0,1941},{8,0,944},{5,10,63} -,{133,10,509},{132,0,629},{132,11,104},{4,0,246},{133,0,375},{6,0,1636},{132,10, -288},{135,11,1614},{9,0,49},{10,0,774},{8,10,89},{8,10,620},{11,10,628},{12,10, -322},{143,10,124},{4,0,282},{7,0,1034},{11,0,398},{11,0,634},{12,0,1},{12,0,79}, -{12,0,544},{14,0,237},{17,0,10},{146,0,20},{132,0,824},{7,11,45},{9,11,542},{9, -11,566},{138,11,728},{5,0,118},{5,0,499},{6,0,476},{6,0,665},{6,0,1176},{6,0, -1196},{7,0,600},{7,0,888},{135,0,1096},{7,0,296},{7,0,596},{8,0,560},{8,0,586},{ -9,0,612},{11,0,304},{12,0,46},{13,0,89},{14,0,112},{145,0,122},{5,0,894},{6,0, -1772},{9,0,1009},{138,10,120},{5,11,533},{7,11,755},{138,11,780},{151,10,1},{6,0 -,1474},{7,11,87},{142,11,288},{139,0,366},{137,10,461},{7,11,988},{7,11,1939},{9 -,11,64},{9,11,502},{12,11,7},{12,11,34},{13,11,12},{13,11,234},{147,11,77},{7,0, -1599},{7,0,1723},{8,0,79},{8,0,106},{8,0,190},{8,0,302},{8,0,383},{8,0,713},{9,0 -,119},{9,0,233},{9,0,419},{9,0,471},{10,0,181},{10,0,406},{11,0,57},{11,0,85},{ -11,0,120},{11,0,177},{11,0,296},{11,0,382},{11,0,454},{11,0,758},{11,0,999},{12, -0,27},{12,0,98},{12,0,131},{12,0,245},{12,0,312},{12,0,446},{12,0,454},{13,0,25} -,{13,0,98},{13,0,426},{13,0,508},{14,0,70},{14,0,163},{14,0,272},{14,0,277},{14, -0,370},{15,0,95},{15,0,138},{15,0,167},{17,0,38},{148,0,96},{135,10,1346},{10,0, -200},{19,0,2},{151,0,22},{135,11,141},{134,10,85},{134,0,1759},{138,0,372},{145, -0,16},{8,0,943},{132,11,619},{139,11,88},{5,11,246},{8,11,189},{9,11,355},{9,11, -512},{10,11,124},{10,11,453},{11,11,143},{11,11,416},{11,11,859},{141,11,341},{5 -,0,258},{134,0,719},{6,0,1798},{6,0,1839},{8,0,900},{10,0,874},{10,0,886},{12,0, -698},{12,0,732},{12,0,770},{16,0,106},{18,0,163},{18,0,170},{18,0,171},{152,0,20 -},{9,0,707},{11,0,326},{11,0,339},{12,0,423},{12,0,502},{20,0,62},{9,11,707},{11 -,11,326},{11,11,339},{12,11,423},{12,11,502},{148,11,62},{5,0,30},{7,0,495},{8,0 -,134},{9,0,788},{140,0,438},{133,11,678},{5,10,279},{6,10,235},{7,10,468},{8,10, -446},{9,10,637},{10,10,717},{11,10,738},{140,10,514},{5,11,35},{6,11,287},{7,11, -862},{7,11,1886},{138,11,179},{7,0,1948},{7,0,2004},{132,11,517},{5,10,17},{6,10 -,371},{137,10,528},{4,0,115},{5,0,669},{6,0,407},{8,0,311},{11,0,10},{141,0,5},{ -137,0,381},{5,0,50},{6,0,439},{7,0,780},{135,0,1040},{136,11,667},{11,11,403},{ -146,11,83},{5,0,1},{6,0,81},{138,0,520},{134,0,738},{5,0,482},{8,0,98},{9,0,172} -,{10,0,360},{10,0,700},{10,0,822},{11,0,302},{11,0,778},{12,0,50},{12,0,127},{12 -,0,396},{13,0,62},{13,0,328},{14,0,122},{147,0,72},{9,11,157},{10,11,131},{140, -11,72},{135,11,714},{135,11,539},{5,0,2},{6,0,512},{7,0,797},{7,0,1494},{8,0,253 -},{8,0,589},{9,0,77},{10,0,1},{10,0,129},{10,0,225},{11,0,118},{11,0,226},{11,0, -251},{11,0,430},{11,0,701},{11,0,974},{11,0,982},{12,0,64},{12,0,260},{12,0,488} -,{140,0,690},{5,11,394},{7,11,367},{7,11,487},{7,11,857},{7,11,1713},{8,11,246}, -{9,11,537},{10,11,165},{12,11,219},{140,11,561},{136,0,557},{5,10,779},{5,10,807 -},{6,10,1655},{134,10,1676},{4,10,196},{5,10,558},{133,10,949},{11,11,827},{12, -11,56},{14,11,34},{143,11,148},{137,0,347},{133,0,572},{134,0,832},{4,0,12},{7,0 -,504},{7,0,522},{7,0,809},{8,0,797},{141,0,88},{4,10,752},{133,11,449},{7,11,86} -,{8,11,103},{145,11,69},{7,11,2028},{138,11,641},{5,0,528},{6,11,1},{142,11,2},{ -134,0,861},{10,0,294},{4,10,227},{5,10,159},{5,10,409},{7,10,80},{10,10,479},{12 -,10,418},{14,10,50},{14,10,249},{142,10,295},{7,10,1470},{8,10,66},{8,10,137},{8 -,10,761},{9,10,638},{11,10,80},{11,10,212},{11,10,368},{11,10,418},{12,10,8},{13 -,10,15},{16,10,61},{17,10,59},{19,10,28},{148,10,84},{20,0,109},{135,11,1148},{6 -,11,277},{7,11,1274},{7,11,1386},{7,11,1392},{12,11,129},{146,11,87},{6,11,187}, -{7,11,39},{7,11,1203},{8,11,380},{8,11,542},{14,11,117},{149,11,28},{134,0,1187} -,{5,0,266},{9,0,290},{9,0,364},{10,0,293},{11,0,606},{142,0,45},{6,11,297},{7,11 -,793},{139,11,938},{4,0,50},{6,0,594},{9,0,121},{10,0,49},{10,0,412},{139,0,834} -,{136,0,748},{7,11,464},{8,11,438},{11,11,105},{11,11,363},{12,11,231},{14,11, -386},{15,11,102},{148,11,75},{132,0,466},{13,0,399},{14,0,337},{6,10,38},{7,10, -1220},{8,10,185},{8,10,256},{9,10,22},{9,10,331},{10,10,738},{11,10,205},{11,10, -540},{11,10,746},{13,10,465},{142,10,194},{9,0,378},{141,0,162},{137,0,519},{4, -10,159},{6,10,115},{7,10,252},{7,10,257},{7,10,1928},{8,10,69},{9,10,384},{10,10 -,91},{10,10,615},{12,10,375},{14,10,235},{18,10,117},{147,10,123},{5,11,604},{5, -10,911},{136,10,278},{132,0,667},{8,0,351},{9,0,322},{4,10,151},{135,10,1567},{ -134,0,902},{133,10,990},{12,0,180},{5,10,194},{7,10,1662},{137,10,90},{4,0,869}, -{134,0,1996},{134,0,813},{133,10,425},{137,11,761},{132,0,260},{133,10,971},{5, -11,20},{6,11,298},{7,11,659},{7,11,1366},{137,11,219},{4,0,39},{5,0,36},{7,0, -1843},{8,0,407},{11,0,144},{140,0,523},{4,0,510},{10,0,587},{139,10,752},{7,0,29 -},{7,0,66},{7,0,1980},{10,0,487},{138,0,809},{13,0,260},{14,0,82},{18,0,63},{137 -,10,662},{5,10,72},{6,10,264},{7,10,21},{7,10,46},{7,10,2013},{8,10,215},{8,10, 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-,0,602},{11,0,441},{11,0,723},{11,0,976},{12,0,357},{132,10,181},{134,0,608},{ -134,10,1652},{22,0,49},{137,11,338},{140,0,988},{134,0,617},{5,0,938},{136,0,707 -},{132,10,97},{5,10,147},{6,10,286},{7,10,1362},{141,10,176},{6,0,756},{134,0, -1149},{133,11,896},{6,10,375},{7,10,169},{7,10,254},{136,10,780},{134,0,1583},{ -135,10,1447},{139,0,285},{7,11,1117},{8,11,393},{136,11,539},{135,0,344},{6,0, -469},{7,0,1709},{138,0,515},{5,10,629},{135,10,1549},{5,11,4},{5,11,810},{6,11, -13},{6,11,538},{6,11,1690},{6,11,1726},{7,11,499},{7,11,1819},{8,11,148},{8,11, -696},{8,11,791},{12,11,125},{13,11,54},{143,11,9},{135,11,1268},{137,0,404},{132 -,0,500},{5,0,68},{134,0,383},{11,0,216},{139,0,340},{4,11,925},{5,11,803},{8,11, -698},{138,11,828},{4,0,337},{6,0,353},{7,0,1934},{8,0,488},{137,0,429},{7,0,236} -,{7,0,1795},{8,0,259},{9,0,135},{9,0,177},{9,0,860},{10,0,825},{11,0,115},{11,0, -370},{11,0,405},{11,0,604},{12,0,10},{12,0,667},{12,0,669},{13,0,76},{14,0,310}, -{15,0,76},{15,0,147},{148,0,23},{4,0,15},{4,0,490},{5,0,22},{6,0,244},{7,0,40},{ -7,0,200},{7,0,906},{7,0,1199},{9,0,616},{10,0,716},{11,0,635},{11,0,801},{140,0, -458},{12,0,756},{132,10,420},{134,0,1504},{6,0,757},{133,11,383},{6,0,1266},{135 -,0,1735},{5,0,598},{7,0,791},{8,0,108},{9,0,123},{7,10,1570},{140,10,542},{142, -11,410},{9,11,660},{138,11,347} -}; -/* GENERATED CODE END */ - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_STATIC_DICT_LUT_H_ */ diff --git a/src/deps/brotli/enc/utf8_util.c b/src/deps/brotli/enc/utf8_util.c deleted file mode 100644 index 65ec3f5c8d..0000000000 --- a/src/deps/brotli/enc/utf8_util.c +++ /dev/null @@ -1,85 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Heuristics for deciding about the UTF8-ness of strings. */ - -#include "utf8_util.h" - -#include - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -static size_t BrotliParseAsUTF8( - int* symbol, const uint8_t* input, size_t size) { - /* ASCII */ - if ((input[0] & 0x80) == 0) { - *symbol = input[0]; - if (*symbol > 0) { - return 1; - } - } - /* 2-byte UTF8 */ - if (size > 1u && - (input[0] & 0xE0) == 0xC0 && - (input[1] & 0xC0) == 0x80) { - *symbol = (((input[0] & 0x1F) << 6) | - (input[1] & 0x3F)); - if (*symbol > 0x7F) { - return 2; - } - } - /* 3-byte UFT8 */ - if (size > 2u && - (input[0] & 0xF0) == 0xE0 && - (input[1] & 0xC0) == 0x80 && - (input[2] & 0xC0) == 0x80) { - *symbol = (((input[0] & 0x0F) << 12) | - ((input[1] & 0x3F) << 6) | - (input[2] & 0x3F)); - if (*symbol > 0x7FF) { - return 3; - } - } - /* 4-byte UFT8 */ - if (size > 3u && - (input[0] & 0xF8) == 0xF0 && - (input[1] & 0xC0) == 0x80 && - (input[2] & 0xC0) == 0x80 && - (input[3] & 0xC0) == 0x80) { - *symbol = (((input[0] & 0x07) << 18) | - ((input[1] & 0x3F) << 12) | - ((input[2] & 0x3F) << 6) | - (input[3] & 0x3F)); - if (*symbol > 0xFFFF && *symbol <= 0x10FFFF) { - return 4; - } - } - /* Not UTF8, emit a special symbol above the UTF8-code space */ - *symbol = 0x110000 | input[0]; - return 1; -} - -/* Returns 1 if at least min_fraction of the data is UTF8-encoded.*/ -BROTLI_BOOL BrotliIsMostlyUTF8( - const uint8_t* data, const size_t pos, const size_t mask, - const size_t length, const double min_fraction) { - size_t size_utf8 = 0; - size_t i = 0; - while (i < length) { - int symbol; - size_t bytes_read = - BrotliParseAsUTF8(&symbol, &data[(pos + i) & mask], length - i); - i += bytes_read; - if (symbol < 0x110000) size_utf8 += bytes_read; - } - return TO_BROTLI_BOOL((double)size_utf8 > min_fraction * (double)length); -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif diff --git a/src/deps/brotli/enc/utf8_util.h b/src/deps/brotli/enc/utf8_util.h deleted file mode 100644 index a38a95383c..0000000000 --- a/src/deps/brotli/enc/utf8_util.h +++ /dev/null @@ -1,33 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Heuristics for deciding about the UTF8-ness of strings. */ - -#ifndef BROTLI_ENC_UTF8_UTIL_H_ -#define BROTLI_ENC_UTF8_UTIL_H_ - -#include - -#include "../common/platform.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -static const double kMinUTF8Ratio = 0.75; - -/* Returns 1 if at least min_fraction of the bytes between pos and - pos + length in the (data, mask) ring-buffer is UTF8-encoded, otherwise - returns 0. */ -BROTLI_INTERNAL BROTLI_BOOL BrotliIsMostlyUTF8( - const uint8_t* data, const size_t pos, const size_t mask, - const size_t length, const double min_fraction); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_UTF8_UTIL_H_ */ diff --git a/src/deps/brotli/enc/write_bits.h b/src/deps/brotli/enc/write_bits.h deleted file mode 100644 index 242754b0ee..0000000000 --- a/src/deps/brotli/enc/write_bits.h +++ /dev/null @@ -1,88 +0,0 @@ -/* Copyright 2010 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Write bits into a byte array. */ - -#ifndef BROTLI_ENC_WRITE_BITS_H_ -#define BROTLI_ENC_WRITE_BITS_H_ - -#include - -#include "../common/platform.h" - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/* This function writes bits into bytes in increasing addresses, and within - a byte least-significant-bit first. - - The function can write up to 56 bits in one go with WriteBits - Example: let's assume that 3 bits (Rs below) have been written already: - - BYTE-0 BYTE+1 BYTE+2 - - 0000 0RRR 0000 0000 0000 0000 - - Now, we could write 5 or less bits in MSB by just shifting by 3 - and OR'ing to BYTE-0. - - For n bits, we take the last 5 bits, OR that with high bits in BYTE-0, - and locate the rest in BYTE+1, BYTE+2, etc. */ -static BROTLI_INLINE void BrotliWriteBits(size_t n_bits, - uint64_t bits, - size_t* BROTLI_RESTRICT pos, - uint8_t* BROTLI_RESTRICT array) { - BROTLI_LOG(("WriteBits %2d 0x%08x%08x %10d\n", (int)n_bits, - (uint32_t)(bits >> 32), (uint32_t)(bits & 0xFFFFFFFF), - (int)*pos)); - BROTLI_DCHECK((bits >> n_bits) == 0); - BROTLI_DCHECK(n_bits <= 56); -#if defined(BROTLI_LITTLE_ENDIAN) - /* This branch of the code can write up to 56 bits at a time, - 7 bits are lost by being perhaps already in *p and at least - 1 bit is needed to initialize the bit-stream ahead (i.e. if 7 - bits are in *p and we write 57 bits, then the next write will - access a byte that was never initialized). */ - { - uint8_t* p = &array[*pos >> 3]; - uint64_t v = (uint64_t)(*p); /* Zero-extend 8 to 64 bits. */ - v |= bits << (*pos & 7); - BROTLI_UNALIGNED_STORE64LE(p, v); /* Set some bits. */ - *pos += n_bits; - } -#else - /* implicit & 0xFF is assumed for uint8_t arithmetics */ - { - uint8_t* array_pos = &array[*pos >> 3]; - const size_t bits_reserved_in_first_byte = (*pos & 7); - size_t bits_left_to_write; - bits <<= bits_reserved_in_first_byte; - *array_pos++ |= (uint8_t)bits; - for (bits_left_to_write = n_bits + bits_reserved_in_first_byte; - bits_left_to_write >= 9; - bits_left_to_write -= 8) { - bits >>= 8; - *array_pos++ = (uint8_t)bits; - } - *array_pos = 0; - *pos += n_bits; - } -#endif -} - -static BROTLI_INLINE void BrotliWriteBitsPrepareStorage( - size_t pos, uint8_t* array) { - BROTLI_LOG(("WriteBitsPrepareStorage %10d\n", (int)pos)); - BROTLI_DCHECK((pos & 7) == 0); - array[pos >> 3] = 0; -} - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_WRITE_BITS_H_ */ diff --git a/src/deps/brotli/include/brotli/decode.h b/src/deps/brotli/include/brotli/decode.h deleted file mode 100644 index af1aa23f60..0000000000 --- a/src/deps/brotli/include/brotli/decode.h +++ /dev/null @@ -1,409 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/** - * @file - * API for Brotli decompression. - */ - -#ifndef BROTLI_DEC_DECODE_H_ -#define BROTLI_DEC_DECODE_H_ - -#include -#include -#include - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/** - * Opaque structure that holds decoder state. - * - * Allocated and initialized with ::BrotliDecoderCreateInstance. - * Cleaned up and deallocated with ::BrotliDecoderDestroyInstance. - */ -typedef struct BrotliDecoderStateStruct BrotliDecoderState; - -/** - * Result type for ::BrotliDecoderDecompress and - * ::BrotliDecoderDecompressStream functions. - */ -typedef enum { - /** Decoding error, e.g. corrupted input or memory allocation problem. */ - BROTLI_DECODER_RESULT_ERROR = 0, - /** Decoding successfully completed. */ - BROTLI_DECODER_RESULT_SUCCESS = 1, - /** Partially done; should be called again with more input. */ - BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT = 2, - /** Partially done; should be called again with more output. */ - BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT = 3 -} BrotliDecoderResult; - -/** - * Template that evaluates items of ::BrotliDecoderErrorCode. - * - * Example: @code {.cpp} - * // Log Brotli error code. - * switch (brotliDecoderErrorCode) { - * #define CASE_(PREFIX, NAME, CODE) \ - * case BROTLI_DECODER ## PREFIX ## NAME: \ - * LOG(INFO) << "error code:" << #NAME; \ - * break; - * #define NEWLINE_ - * BROTLI_DECODER_ERROR_CODES_LIST(CASE_, NEWLINE_) - * #undef CASE_ - * #undef NEWLINE_ - * default: LOG(FATAL) << "unknown brotli error code"; - * } - * @endcode - */ -#define BROTLI_DECODER_ERROR_CODES_LIST(BROTLI_ERROR_CODE, SEPARATOR) \ - BROTLI_ERROR_CODE(_, NO_ERROR, 0) SEPARATOR \ - /* Same as BrotliDecoderResult values */ \ - BROTLI_ERROR_CODE(_, SUCCESS, 1) SEPARATOR \ - BROTLI_ERROR_CODE(_, NEEDS_MORE_INPUT, 2) SEPARATOR \ - BROTLI_ERROR_CODE(_, NEEDS_MORE_OUTPUT, 3) SEPARATOR \ - \ - /* Errors caused by invalid input */ \ - BROTLI_ERROR_CODE(_ERROR_FORMAT_, EXUBERANT_NIBBLE, -1) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_FORMAT_, RESERVED, -2) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_FORMAT_, EXUBERANT_META_NIBBLE, -3) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_FORMAT_, SIMPLE_HUFFMAN_ALPHABET, -4) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_FORMAT_, SIMPLE_HUFFMAN_SAME, -5) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_FORMAT_, CL_SPACE, -6) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_FORMAT_, HUFFMAN_SPACE, -7) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_FORMAT_, CONTEXT_MAP_REPEAT, -8) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_FORMAT_, BLOCK_LENGTH_1, -9) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_FORMAT_, BLOCK_LENGTH_2, -10) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_FORMAT_, TRANSFORM, -11) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_FORMAT_, DICTIONARY, -12) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_FORMAT_, WINDOW_BITS, -13) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_FORMAT_, PADDING_1, -14) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_FORMAT_, PADDING_2, -15) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_FORMAT_, DISTANCE, -16) SEPARATOR \ - \ - /* -17 code is reserved */ \ - \ - BROTLI_ERROR_CODE(_ERROR_, COMPOUND_DICTIONARY, -18) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_, DICTIONARY_NOT_SET, -19) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_, INVALID_ARGUMENTS, -20) SEPARATOR \ - \ - /* Memory allocation problems */ \ - BROTLI_ERROR_CODE(_ERROR_ALLOC_, CONTEXT_MODES, -21) SEPARATOR \ - /* Literal, insert and distance trees together */ \ - BROTLI_ERROR_CODE(_ERROR_ALLOC_, TREE_GROUPS, -22) SEPARATOR \ - /* -23..-24 codes are reserved for distinct tree groups */ \ - BROTLI_ERROR_CODE(_ERROR_ALLOC_, CONTEXT_MAP, -25) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_ALLOC_, RING_BUFFER_1, -26) SEPARATOR \ - BROTLI_ERROR_CODE(_ERROR_ALLOC_, RING_BUFFER_2, -27) SEPARATOR \ - /* -28..-29 codes are reserved for dynamic ring-buffer allocation */ \ - BROTLI_ERROR_CODE(_ERROR_ALLOC_, BLOCK_TYPE_TREES, -30) SEPARATOR \ - \ - /* "Impossible" states */ \ - BROTLI_ERROR_CODE(_ERROR_, UNREACHABLE, -31) - -/** - * Error code for detailed logging / production debugging. - * - * See ::BrotliDecoderGetErrorCode and ::BROTLI_LAST_ERROR_CODE. - */ -typedef enum { -#define BROTLI_COMMA_ , -#define BROTLI_ERROR_CODE_ENUM_ITEM_(PREFIX, NAME, CODE) \ - BROTLI_DECODER ## PREFIX ## NAME = CODE - BROTLI_DECODER_ERROR_CODES_LIST(BROTLI_ERROR_CODE_ENUM_ITEM_, BROTLI_COMMA_) -} BrotliDecoderErrorCode; -#undef BROTLI_ERROR_CODE_ENUM_ITEM_ -#undef BROTLI_COMMA_ - -/** - * The value of the last error code, negative integer. - * - * All other error code values are in the range from ::BROTLI_LAST_ERROR_CODE - * to @c -1. There are also 4 other possible non-error codes @c 0 .. @c 3 in - * ::BrotliDecoderErrorCode enumeration. - */ -#define BROTLI_LAST_ERROR_CODE BROTLI_DECODER_ERROR_UNREACHABLE - -/** Options to be used with ::BrotliDecoderSetParameter. */ -typedef enum BrotliDecoderParameter { - /** - * Disable "canny" ring buffer allocation strategy. - * - * Ring buffer is allocated according to window size, despite the real size of - * the content. - */ - BROTLI_DECODER_PARAM_DISABLE_RING_BUFFER_REALLOCATION = 0, - /** - * Flag that determines if "Large Window Brotli" is used. - */ - BROTLI_DECODER_PARAM_LARGE_WINDOW = 1 -} BrotliDecoderParameter; - -/** - * Sets the specified parameter to the given decoder instance. - * - * @param state decoder instance - * @param param parameter to set - * @param value new parameter value - * @returns ::BROTLI_FALSE if parameter is unrecognized, or value is invalid - * @returns ::BROTLI_TRUE if value is accepted - */ -BROTLI_DEC_API BROTLI_BOOL BrotliDecoderSetParameter( - BrotliDecoderState* state, BrotliDecoderParameter param, uint32_t value); - -/** - * Adds LZ77 prefix dictionary, adds or replaces built-in static dictionary and - * transforms. - * - * Attached dictionary ownership is not transferred. - * Data provided to this method should be kept accessible until - * decoding is finished and decoder instance is destroyed. - * - * @note Dictionaries can NOT be attached after actual decoding is started. - * - * @param state decoder instance - * @param type dictionary data format - * @param data_size length of memory region pointed by @p data - * @param data dictionary data in format corresponding to @p type - * @returns ::BROTLI_FALSE if dictionary is corrupted, - * or dictionary count limit is reached - * @returns ::BROTLI_TRUE if dictionary is accepted / attached - */ -BROTLI_DEC_API BROTLI_BOOL BrotliDecoderAttachDictionary( - BrotliDecoderState* state, BrotliSharedDictionaryType type, - size_t data_size, const uint8_t data[BROTLI_ARRAY_PARAM(data_size)]); - -/** - * Creates an instance of ::BrotliDecoderState and initializes it. - * - * The instance can be used once for decoding and should then be destroyed with - * ::BrotliDecoderDestroyInstance, it cannot be reused for a new decoding - * session. - * - * @p alloc_func and @p free_func @b MUST be both zero or both non-zero. In the - * case they are both zero, default memory allocators are used. @p opaque is - * passed to @p alloc_func and @p free_func when they are called. @p free_func - * has to return without doing anything when asked to free a NULL pointer. - * - * @param alloc_func custom memory allocation function - * @param free_func custom memory free function - * @param opaque custom memory manager handle - * @returns @c 0 if instance can not be allocated or initialized - * @returns pointer to initialized ::BrotliDecoderState otherwise - */ -BROTLI_DEC_API BrotliDecoderState* BrotliDecoderCreateInstance( - brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque); - -/** - * Deinitializes and frees ::BrotliDecoderState instance. - * - * @param state decoder instance to be cleaned up and deallocated - */ -BROTLI_DEC_API void BrotliDecoderDestroyInstance(BrotliDecoderState* state); - -/** - * Performs one-shot memory-to-memory decompression. - * - * Decompresses the data in @p encoded_buffer into @p decoded_buffer, and sets - * @p *decoded_size to the decompressed length. - * - * @param encoded_size size of @p encoded_buffer - * @param encoded_buffer compressed data buffer with at least @p encoded_size - * addressable bytes - * @param[in, out] decoded_size @b in: size of @p decoded_buffer; \n - * @b out: length of decompressed data written to - * @p decoded_buffer - * @param decoded_buffer decompressed data destination buffer - * @returns ::BROTLI_DECODER_RESULT_ERROR if input is corrupted, memory - * allocation failed, or @p decoded_buffer is not large enough; - * @returns ::BROTLI_DECODER_RESULT_SUCCESS otherwise - */ -BROTLI_DEC_API BrotliDecoderResult BrotliDecoderDecompress( - size_t encoded_size, - const uint8_t encoded_buffer[BROTLI_ARRAY_PARAM(encoded_size)], - size_t* decoded_size, - uint8_t decoded_buffer[BROTLI_ARRAY_PARAM(*decoded_size)]); - -/** - * Decompresses the input stream to the output stream. - * - * The values @p *available_in and @p *available_out must specify the number of - * bytes addressable at @p *next_in and @p *next_out respectively. - * When @p *available_out is @c 0, @p next_out is allowed to be @c NULL. - * - * After each call, @p *available_in will be decremented by the amount of input - * bytes consumed, and the @p *next_in pointer will be incremented by that - * amount. Similarly, @p *available_out will be decremented by the amount of - * output bytes written, and the @p *next_out pointer will be incremented by - * that amount. - * - * @p total_out, if it is not a null-pointer, will be set to the number - * of bytes decompressed since the last @p state initialization. - * - * @note Input is never overconsumed, so @p next_in and @p available_in could be - * passed to the next consumer after decoding is complete. - * - * @param state decoder instance - * @param[in, out] available_in @b in: amount of available input; \n - * @b out: amount of unused input - * @param[in, out] next_in pointer to the next compressed byte - * @param[in, out] available_out @b in: length of output buffer; \n - * @b out: remaining size of output buffer - * @param[in, out] next_out output buffer cursor; - * can be @c NULL if @p available_out is @c 0 - * @param[out] total_out number of bytes decompressed so far; can be @c NULL - * @returns ::BROTLI_DECODER_RESULT_ERROR if input is corrupted, memory - * allocation failed, arguments were invalid, etc.; - * use ::BrotliDecoderGetErrorCode to get detailed error code - * @returns ::BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT decoding is blocked until - * more input data is provided - * @returns ::BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT decoding is blocked until - * more output space is provided - * @returns ::BROTLI_DECODER_RESULT_SUCCESS decoding is finished, no more - * input might be consumed and no more output will be produced - */ -BROTLI_DEC_API BrotliDecoderResult BrotliDecoderDecompressStream( - BrotliDecoderState* state, size_t* available_in, const uint8_t** next_in, - size_t* available_out, uint8_t** next_out, size_t* total_out); - -/** - * Checks if decoder has more output. - * - * @param state decoder instance - * @returns ::BROTLI_TRUE, if decoder has some unconsumed output - * @returns ::BROTLI_FALSE otherwise - */ -BROTLI_DEC_API BROTLI_BOOL BrotliDecoderHasMoreOutput( - const BrotliDecoderState* state); - -/** - * Acquires pointer to internal output buffer. - * - * This method is used to make language bindings easier and more efficient: - * -# push data to ::BrotliDecoderDecompressStream, - * until ::BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT is reported - * -# use ::BrotliDecoderTakeOutput to peek bytes and copy to language-specific - * entity - * - * Also this could be useful if there is an output stream that is able to - * consume all the provided data (e.g. when data is saved to file system). - * - * @attention After every call to ::BrotliDecoderTakeOutput @p *size bytes of - * output are considered consumed for all consecutive calls to the - * instance methods; returned pointer becomes invalidated as well. - * - * @note Decoder output is not guaranteed to be contiguous. This means that - * after the size-unrestricted call to ::BrotliDecoderTakeOutput, - * immediate next call to ::BrotliDecoderTakeOutput may return more data. - * - * @param state decoder instance - * @param[in, out] size @b in: number of bytes caller is ready to take, @c 0 if - * any amount could be handled; \n - * @b out: amount of data pointed by returned pointer and - * considered consumed; \n - * out value is never greater than in value, unless it is @c 0 - * @returns pointer to output data - */ -BROTLI_DEC_API const uint8_t* BrotliDecoderTakeOutput( - BrotliDecoderState* state, size_t* size); - -/** - * Checks if instance has already consumed input. - * - * Instance that returns ::BROTLI_FALSE is considered "fresh" and could be - * reused. - * - * @param state decoder instance - * @returns ::BROTLI_TRUE if decoder has already used some input bytes - * @returns ::BROTLI_FALSE otherwise - */ -BROTLI_DEC_API BROTLI_BOOL BrotliDecoderIsUsed(const BrotliDecoderState* state); - -/** - * Checks if decoder instance reached the final state. - * - * @param state decoder instance - * @returns ::BROTLI_TRUE if decoder is in a state where it reached the end of - * the input and produced all of the output - * @returns ::BROTLI_FALSE otherwise - */ -BROTLI_DEC_API BROTLI_BOOL BrotliDecoderIsFinished( - const BrotliDecoderState* state); - -/** - * Acquires a detailed error code. - * - * Should be used only after ::BrotliDecoderDecompressStream returns - * ::BROTLI_DECODER_RESULT_ERROR. - * - * See also ::BrotliDecoderErrorString - * - * @param state decoder instance - * @returns last saved error code - */ -BROTLI_DEC_API BrotliDecoderErrorCode BrotliDecoderGetErrorCode( - const BrotliDecoderState* state); - -/** - * Converts error code to a c-string. - */ -BROTLI_DEC_API const char* BrotliDecoderErrorString(BrotliDecoderErrorCode c); - -/** - * Gets a decoder library version. - * - * Look at BROTLI_MAKE_HEX_VERSION for more information. - */ -BROTLI_DEC_API uint32_t BrotliDecoderVersion(void); - -/** - * Callback to fire on metadata block start. - * - * After this callback is fired, if @p size is not @c 0, it is followed by - * ::brotli_decoder_metadata_chunk_func as more metadata block contents become - * accessible. - * - * @param opaque callback handle - * @param size size of metadata block - */ -typedef void (*brotli_decoder_metadata_start_func)(void* opaque, size_t size); - -/** - * Callback to fire on metadata block chunk becomes available. - * - * This function can be invoked multiple times per metadata block; block should - * be considered finished when sum of @p size matches the announced metadata - * block size. Chunks contents pointed by @p data are transient and shouln not - * be accessed after leaving the callback. - * - * @param opaque callback handle - * @param data pointer to metadata contents - * @param size size of metadata block chunk, at least @c 1 - */ -typedef void (*brotli_decoder_metadata_chunk_func)(void* opaque, - const uint8_t* data, - size_t size); - -/** - * Sets callback for receiving metadata blocks. - * - * @param state decoder instance - * @param start_func callback on metadata block start - * @param chunk_func callback on metadata block chunk - * @param opaque callback handle - */ -BROTLI_DEC_API void BrotliDecoderSetMetadataCallbacks( - BrotliDecoderState* state, - brotli_decoder_metadata_start_func start_func, - brotli_decoder_metadata_chunk_func chunk_func, void* opaque); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_DEC_DECODE_H_ */ diff --git a/src/deps/brotli/include/brotli/encode.h b/src/deps/brotli/include/brotli/encode.h deleted file mode 100644 index dea9931ebb..0000000000 --- a/src/deps/brotli/include/brotli/encode.h +++ /dev/null @@ -1,501 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/** - * @file - * API for Brotli compression. - */ - -#ifndef BROTLI_ENC_ENCODE_H_ -#define BROTLI_ENC_ENCODE_H_ - -#include -#include -#include - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -/** Minimal value for ::BROTLI_PARAM_LGWIN parameter. */ -#define BROTLI_MIN_WINDOW_BITS 10 -/** - * Maximal value for ::BROTLI_PARAM_LGWIN parameter. - * - * @note equal to @c BROTLI_MAX_DISTANCE_BITS constant. - */ -#define BROTLI_MAX_WINDOW_BITS 24 -/** - * Maximal value for ::BROTLI_PARAM_LGWIN parameter - * in "Large Window Brotli" (32-bit). - */ -#define BROTLI_LARGE_MAX_WINDOW_BITS 30 -/** Minimal value for ::BROTLI_PARAM_LGBLOCK parameter. */ -#define BROTLI_MIN_INPUT_BLOCK_BITS 16 -/** Maximal value for ::BROTLI_PARAM_LGBLOCK parameter. */ -#define BROTLI_MAX_INPUT_BLOCK_BITS 24 -/** Minimal value for ::BROTLI_PARAM_QUALITY parameter. */ -#define BROTLI_MIN_QUALITY 0 -/** Maximal value for ::BROTLI_PARAM_QUALITY parameter. */ -#define BROTLI_MAX_QUALITY 11 - -/** Options for ::BROTLI_PARAM_MODE parameter. */ -typedef enum BrotliEncoderMode { - /** - * Default compression mode. - * - * In this mode compressor does not know anything in advance about the - * properties of the input. - */ - BROTLI_MODE_GENERIC = 0, - /** Compression mode for UTF-8 formatted text input. */ - BROTLI_MODE_TEXT = 1, - /** Compression mode used in WOFF 2.0. */ - BROTLI_MODE_FONT = 2 -} BrotliEncoderMode; - -/** Default value for ::BROTLI_PARAM_QUALITY parameter. */ -#define BROTLI_DEFAULT_QUALITY 11 -/** Default value for ::BROTLI_PARAM_LGWIN parameter. */ -#define BROTLI_DEFAULT_WINDOW 22 -/** Default value for ::BROTLI_PARAM_MODE parameter. */ -#define BROTLI_DEFAULT_MODE BROTLI_MODE_GENERIC - -/** Operations that can be performed by streaming encoder. */ -typedef enum BrotliEncoderOperation { - /** - * Process input. - * - * Encoder may postpone producing output, until it has processed enough input. - */ - BROTLI_OPERATION_PROCESS = 0, - /** - * Produce output for all processed input. - * - * Actual flush is performed when input stream is depleted and there is enough - * space in output stream. This means that client should repeat - * ::BROTLI_OPERATION_FLUSH operation until @p available_in becomes @c 0, and - * ::BrotliEncoderHasMoreOutput returns ::BROTLI_FALSE. If output is acquired - * via ::BrotliEncoderTakeOutput, then operation should be repeated after - * output buffer is drained. - * - * @warning Until flush is complete, client @b SHOULD @b NOT swap, - * reduce or extend input stream. - * - * When flush is complete, output data will be sufficient for decoder to - * reproduce all the given input. - */ - BROTLI_OPERATION_FLUSH = 1, - /** - * Finalize the stream. - * - * Actual finalization is performed when input stream is depleted and there is - * enough space in output stream. This means that client should repeat - * ::BROTLI_OPERATION_FINISH operation until @p available_in becomes @c 0, and - * ::BrotliEncoderHasMoreOutput returns ::BROTLI_FALSE. If output is acquired - * via ::BrotliEncoderTakeOutput, then operation should be repeated after - * output buffer is drained. - * - * @warning Until finalization is complete, client @b SHOULD @b NOT swap, - * reduce or extend input stream. - * - * Helper function ::BrotliEncoderIsFinished checks if stream is finalized and - * output fully dumped. - * - * Adding more input data to finalized stream is impossible. - */ - BROTLI_OPERATION_FINISH = 2, - /** - * Emit metadata block to stream. - * - * Metadata is opaque to Brotli: neither encoder, nor decoder processes this - * data or relies on it. It may be used to pass some extra information from - * encoder client to decoder client without interfering with main data stream. - * - * @note Encoder may emit empty metadata blocks internally, to pad encoded - * stream to byte boundary. - * - * @warning Until emitting metadata is complete client @b SHOULD @b NOT swap, - * reduce or extend input stream. - * - * @warning The whole content of input buffer is considered to be the content - * of metadata block. Do @b NOT @e append metadata to input stream, - * before it is depleted with other operations. - * - * Stream is soft-flushed before metadata block is emitted. Metadata block - * @b MUST be no longer than than 16MiB. - */ - BROTLI_OPERATION_EMIT_METADATA = 3 -} BrotliEncoderOperation; - -/** Options to be used with ::BrotliEncoderSetParameter. */ -typedef enum BrotliEncoderParameter { - /** - * Tune encoder for specific input. - * - * ::BrotliEncoderMode enumerates all available values. - */ - BROTLI_PARAM_MODE = 0, - /** - * The main compression speed-density lever. - * - * The higher the quality, the slower the compression. Range is - * from ::BROTLI_MIN_QUALITY to ::BROTLI_MAX_QUALITY. - */ - BROTLI_PARAM_QUALITY = 1, - /** - * Recommended sliding LZ77 window size. - * - * Encoder may reduce this value, e.g. if input is much smaller than - * window size. - * - * Window size is `(1 << value) - 16`. - * - * Range is from ::BROTLI_MIN_WINDOW_BITS to ::BROTLI_MAX_WINDOW_BITS. - */ - BROTLI_PARAM_LGWIN = 2, - /** - * Recommended input block size. - * - * Encoder may reduce this value, e.g. if input is much smaller than input - * block size. - * - * Range is from ::BROTLI_MIN_INPUT_BLOCK_BITS to - * ::BROTLI_MAX_INPUT_BLOCK_BITS. - * - * @note Bigger input block size allows better compression, but consumes more - * memory. \n The rough formula of memory used for temporary input - * storage is `3 << lgBlock`. - */ - BROTLI_PARAM_LGBLOCK = 3, - /** - * Flag that affects usage of "literal context modeling" format feature. - * - * This flag is a "decoding-speed vs compression ratio" trade-off. - */ - BROTLI_PARAM_DISABLE_LITERAL_CONTEXT_MODELING = 4, - /** - * Estimated total input size for all ::BrotliEncoderCompressStream calls. - * - * The default value is 0, which means that the total input size is unknown. - */ - BROTLI_PARAM_SIZE_HINT = 5, - /** - * Flag that determines if "Large Window Brotli" is used. - */ - BROTLI_PARAM_LARGE_WINDOW = 6, - /** - * Recommended number of postfix bits (NPOSTFIX). - * - * Encoder may change this value. - * - * Range is from 0 to ::BROTLI_MAX_NPOSTFIX. - */ - BROTLI_PARAM_NPOSTFIX = 7, - /** - * Recommended number of direct distance codes (NDIRECT). - * - * Encoder may change this value. - * - * Range is from 0 to (15 << NPOSTFIX) in steps of (1 << NPOSTFIX). - */ - BROTLI_PARAM_NDIRECT = 8, - /** - * Number of bytes of input stream already processed by a different instance. - * - * @note It is important to configure all the encoder instances with same - * parameters (except this one) in order to allow all the encoded parts - * obey the same restrictions implied by header. - * - * If offset is not 0, then stream header is omitted. - * In any case output start is byte aligned, so for proper streams stitching - * "predecessor" stream must be flushed. - * - * Range is not artificially limited, but all the values greater or equal to - * maximal window size have the same effect. Values greater than 2**30 are not - * allowed. - */ - BROTLI_PARAM_STREAM_OFFSET = 9 -} BrotliEncoderParameter; - -/** - * Opaque structure that holds encoder state. - * - * Allocated and initialized with ::BrotliEncoderCreateInstance. - * Cleaned up and deallocated with ::BrotliEncoderDestroyInstance. - */ -typedef struct BrotliEncoderStateStruct BrotliEncoderState; - -/** - * Sets the specified parameter to the given encoder instance. - * - * @param state encoder instance - * @param param parameter to set - * @param value new parameter value - * @returns ::BROTLI_FALSE if parameter is unrecognized, or value is invalid - * @returns ::BROTLI_FALSE if value of parameter can not be changed at current - * encoder state (e.g. when encoding is started, window size might be - * already encoded and therefore it is impossible to change it) - * @returns ::BROTLI_TRUE if value is accepted - * @warning invalid values might be accepted in case they would not break - * encoding process. - */ -BROTLI_ENC_API BROTLI_BOOL BrotliEncoderSetParameter( - BrotliEncoderState* state, BrotliEncoderParameter param, uint32_t value); - -/** - * Creates an instance of ::BrotliEncoderState and initializes it. - * - * @p alloc_func and @p free_func @b MUST be both zero or both non-zero. In the - * case they are both zero, default memory allocators are used. @p opaque is - * passed to @p alloc_func and @p free_func when they are called. @p free_func - * has to return without doing anything when asked to free a NULL pointer. - * - * @param alloc_func custom memory allocation function - * @param free_func custom memory free function - * @param opaque custom memory manager handle - * @returns @c 0 if instance can not be allocated or initialized - * @returns pointer to initialized ::BrotliEncoderState otherwise - */ -BROTLI_ENC_API BrotliEncoderState* BrotliEncoderCreateInstance( - brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque); - -/** - * Deinitializes and frees ::BrotliEncoderState instance. - * - * @param state decoder instance to be cleaned up and deallocated - */ -BROTLI_ENC_API void BrotliEncoderDestroyInstance(BrotliEncoderState* state); - -/* Opaque type for pointer to different possible internal structures containing - dictionary prepared for the encoder */ -typedef struct BrotliEncoderPreparedDictionaryStruct - BrotliEncoderPreparedDictionary; - -/** - * Prepares a shared dictionary from the given file format for the encoder. - * - * @p alloc_func and @p free_func @b MUST be both zero or both non-zero. In the - * case they are both zero, default memory allocators are used. @p opaque is - * passed to @p alloc_func and @p free_func when they are called. @p free_func - * has to return without doing anything when asked to free a NULL pointer. - * - * @param type type of dictionary stored in data - * @param data_size size of @p data buffer - * @param data pointer to the dictionary data - * @param quality the maximum Brotli quality to prepare the dictionary for, - * use BROTLI_MAX_QUALITY by default - * @param alloc_func custom memory allocation function - * @param free_func custom memory free function - * @param opaque custom memory manager handle - */ -BROTLI_ENC_API BrotliEncoderPreparedDictionary* -BrotliEncoderPrepareDictionary(BrotliSharedDictionaryType type, - size_t data_size, const uint8_t data[BROTLI_ARRAY_PARAM(data_size)], - int quality, - brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque); - -BROTLI_ENC_API void BrotliEncoderDestroyPreparedDictionary( - BrotliEncoderPreparedDictionary* dictionary); - -/** - * Attaches a prepared dictionary of any type to the encoder. Can be used - * multiple times to attach multiple dictionaries. The dictionary type was - * determined by BrotliEncoderPrepareDictionary. Multiple raw prefix - * dictionaries and/or max 1 serialized dictionary with custom words can be - * attached. - * - * @returns ::BROTLI_FALSE in case of error - * @returns ::BROTLI_TRUE otherwise - */ -BROTLI_ENC_API BROTLI_BOOL BrotliEncoderAttachPreparedDictionary( - BrotliEncoderState* state, - const BrotliEncoderPreparedDictionary* dictionary); - -/** - * Calculates the output size bound for the given @p input_size. - * - * @warning Result is only valid if quality is at least @c 2 and, in - * case ::BrotliEncoderCompressStream was used, no flushes - * (::BROTLI_OPERATION_FLUSH) were performed. - * - * @param input_size size of projected input - * @returns @c 0 if result does not fit @c size_t - */ -BROTLI_ENC_API size_t BrotliEncoderMaxCompressedSize(size_t input_size); - -/** - * Performs one-shot memory-to-memory compression. - * - * Compresses the data in @p input_buffer into @p encoded_buffer, and sets - * @p *encoded_size to the compressed length. - * - * @note If ::BrotliEncoderMaxCompressedSize(@p input_size) returns non-zero - * value, then output is guaranteed to be no longer than that. - * - * @note If @p lgwin is greater than ::BROTLI_MAX_WINDOW_BITS then resulting - * stream might be incompatible with RFC 7932; to decode such streams, - * decoder should be configured with - * ::BROTLI_DECODER_PARAM_LARGE_WINDOW = @c 1 - * - * @param quality quality parameter value, e.g. ::BROTLI_DEFAULT_QUALITY - * @param lgwin lgwin parameter value, e.g. ::BROTLI_DEFAULT_WINDOW - * @param mode mode parameter value, e.g. ::BROTLI_DEFAULT_MODE - * @param input_size size of @p input_buffer - * @param input_buffer input data buffer with at least @p input_size - * addressable bytes - * @param[in, out] encoded_size @b in: size of @p encoded_buffer; \n - * @b out: length of compressed data written to - * @p encoded_buffer, or @c 0 if compression fails - * @param encoded_buffer compressed data destination buffer - * @returns ::BROTLI_FALSE in case of compression error - * @returns ::BROTLI_FALSE if output buffer is too small - * @returns ::BROTLI_TRUE otherwise - */ -BROTLI_ENC_API BROTLI_BOOL BrotliEncoderCompress( - int quality, int lgwin, BrotliEncoderMode mode, size_t input_size, - const uint8_t input_buffer[BROTLI_ARRAY_PARAM(input_size)], - size_t* encoded_size, - uint8_t encoded_buffer[BROTLI_ARRAY_PARAM(*encoded_size)]); - -/** - * Compresses input stream to output stream. - * - * The values @p *available_in and @p *available_out must specify the number of - * bytes addressable at @p *next_in and @p *next_out respectively. - * When @p *available_out is @c 0, @p next_out is allowed to be @c NULL. - * - * After each call, @p *available_in will be decremented by the amount of input - * bytes consumed, and the @p *next_in pointer will be incremented by that - * amount. Similarly, @p *available_out will be decremented by the amount of - * output bytes written, and the @p *next_out pointer will be incremented by - * that amount. - * - * @p total_out, if it is not a null-pointer, will be set to the number - * of bytes compressed since the last @p state initialization. - * - * - * - * Internally workflow consists of 3 tasks: - * -# (optionally) copy input data to internal buffer - * -# actually compress data and (optionally) store it to internal buffer - * -# (optionally) copy compressed bytes from internal buffer to output stream - * - * Whenever all 3 tasks can't move forward anymore, or error occurs, this - * method returns the control flow to caller. - * - * @p op is used to perform flush, finish the stream, or inject metadata block. - * See ::BrotliEncoderOperation for more information. - * - * Flushing the stream means forcing encoding of all input passed to encoder and - * completing the current output block, so it could be fully decoded by stream - * decoder. To perform flush set @p op to ::BROTLI_OPERATION_FLUSH. - * Under some circumstances (e.g. lack of output stream capacity) this operation - * would require several calls to ::BrotliEncoderCompressStream. The method must - * be called again until both input stream is depleted and encoder has no more - * output (see ::BrotliEncoderHasMoreOutput) after the method is called. - * - * Finishing the stream means encoding of all input passed to encoder and - * adding specific "final" marks, so stream decoder could determine that stream - * is complete. To perform finish set @p op to ::BROTLI_OPERATION_FINISH. - * Under some circumstances (e.g. lack of output stream capacity) this operation - * would require several calls to ::BrotliEncoderCompressStream. The method must - * be called again until both input stream is depleted and encoder has no more - * output (see ::BrotliEncoderHasMoreOutput) after the method is called. - * - * @warning When flushing and finishing, @p op should not change until operation - * is complete; input stream should not be swapped, reduced or - * extended as well. - * - * @param state encoder instance - * @param op requested operation - * @param[in, out] available_in @b in: amount of available input; \n - * @b out: amount of unused input - * @param[in, out] next_in pointer to the next input byte - * @param[in, out] available_out @b in: length of output buffer; \n - * @b out: remaining size of output buffer - * @param[in, out] next_out compressed output buffer cursor; - * can be @c NULL if @p available_out is @c 0 - * @param[out] total_out number of bytes produced so far; can be @c NULL - * @returns ::BROTLI_FALSE if there was an error - * @returns ::BROTLI_TRUE otherwise - */ -BROTLI_ENC_API BROTLI_BOOL BrotliEncoderCompressStream( - BrotliEncoderState* state, BrotliEncoderOperation op, size_t* available_in, - const uint8_t** next_in, size_t* available_out, uint8_t** next_out, - size_t* total_out); - -/** - * Checks if encoder instance reached the final state. - * - * @param state encoder instance - * @returns ::BROTLI_TRUE if encoder is in a state where it reached the end of - * the input and produced all of the output - * @returns ::BROTLI_FALSE otherwise - */ -BROTLI_ENC_API BROTLI_BOOL BrotliEncoderIsFinished(BrotliEncoderState* state); - -/** - * Checks if encoder has more output. - * - * @param state encoder instance - * @returns ::BROTLI_TRUE, if encoder has some unconsumed output - * @returns ::BROTLI_FALSE otherwise - */ -BROTLI_ENC_API BROTLI_BOOL BrotliEncoderHasMoreOutput( - BrotliEncoderState* state); - -/** - * Acquires pointer to internal output buffer. - * - * This method is used to make language bindings easier and more efficient: - * -# push data to ::BrotliEncoderCompressStream, - * until ::BrotliEncoderHasMoreOutput returns BROTLI_TRUE - * -# use ::BrotliEncoderTakeOutput to peek bytes and copy to language-specific - * entity - * - * Also this could be useful if there is an output stream that is able to - * consume all the provided data (e.g. when data is saved to file system). - * - * @attention After every call to ::BrotliEncoderTakeOutput @p *size bytes of - * output are considered consumed for all consecutive calls to the - * instance methods; returned pointer becomes invalidated as well. - * - * @note Encoder output is not guaranteed to be contiguous. This means that - * after the size-unrestricted call to ::BrotliEncoderTakeOutput, - * immediate next call to ::BrotliEncoderTakeOutput may return more data. - * - * @param state encoder instance - * @param[in, out] size @b in: number of bytes caller is ready to take, @c 0 if - * any amount could be handled; \n - * @b out: amount of data pointed by returned pointer and - * considered consumed; \n - * out value is never greater than in value, unless it is @c 0 - * @returns pointer to output data - */ -BROTLI_ENC_API const uint8_t* BrotliEncoderTakeOutput( - BrotliEncoderState* state, size_t* size); - -/* Returns the estimated peak memory usage (in bytes) of the BrotliCompress() - function, not counting the memory needed for the input and output. */ -BROTLI_ENC_EXTRA_API size_t BrotliEncoderEstimatePeakMemoryUsage( - int quality, int lgwin, size_t input_size); -/* Returns 0 if dictionary is not valid; otherwise returns allocation size. */ -BROTLI_ENC_EXTRA_API size_t BrotliEncoderGetPreparedDictionarySize( - const BrotliEncoderPreparedDictionary* dictionary); - -/** - * Gets an encoder library version. - * - * Look at BROTLI_MAKE_HEX_VERSION for more information. - */ -BROTLI_ENC_API uint32_t BrotliEncoderVersion(void); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_ENC_ENCODE_H_ */ diff --git a/src/deps/brotli/include/brotli/port.h b/src/deps/brotli/include/brotli/port.h deleted file mode 100644 index 0d50019042..0000000000 --- a/src/deps/brotli/include/brotli/port.h +++ /dev/null @@ -1,305 +0,0 @@ -/* Copyright 2016 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Macros for compiler / platform specific API declarations. */ - -#ifndef BROTLI_COMMON_PORT_H_ -#define BROTLI_COMMON_PORT_H_ - -/* The following macros were borrowed from https://github.com/nemequ/hedley - * with permission of original author - Evan Nemerson */ - -/* >>> >>> >>> hedley macros */ - -#define BROTLI_MAKE_VERSION(major, minor, revision) \ - (((major) * 1000000) + ((minor) * 1000) + (revision)) - -#if defined(__GNUC__) && defined(__GNUC_PATCHLEVEL__) -#define BROTLI_GNUC_VERSION \ - BROTLI_MAKE_VERSION(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__) -#elif defined(__GNUC__) -#define BROTLI_GNUC_VERSION BROTLI_MAKE_VERSION(__GNUC__, __GNUC_MINOR__, 0) -#endif - -#if defined(BROTLI_GNUC_VERSION) -#define BROTLI_GNUC_VERSION_CHECK(major, minor, patch) \ - (BROTLI_GNUC_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch)) -#else -#define BROTLI_GNUC_VERSION_CHECK(major, minor, patch) (0) -#endif - -#if defined(_MSC_FULL_VER) && (_MSC_FULL_VER >= 140000000) -#define BROTLI_MSVC_VERSION \ - BROTLI_MAKE_VERSION((_MSC_FULL_VER / 10000000), \ - (_MSC_FULL_VER % 10000000) / 100000, \ - (_MSC_FULL_VER % 100000) / 100) -#elif defined(_MSC_FULL_VER) -#define BROTLI_MSVC_VERSION \ - BROTLI_MAKE_VERSION((_MSC_FULL_VER / 1000000), \ - (_MSC_FULL_VER % 1000000) / 10000, \ - (_MSC_FULL_VER % 10000) / 10) -#elif defined(_MSC_VER) -#define BROTLI_MSVC_VERSION \ - BROTLI_MAKE_VERSION(_MSC_VER / 100, _MSC_VER % 100, 0) -#endif - -#if !defined(_MSC_VER) -#define BROTLI_MSVC_VERSION_CHECK(major, minor, patch) (0) -#elif defined(_MSC_VER) && (_MSC_VER >= 1400) -#define BROTLI_MSVC_VERSION_CHECK(major, minor, patch) \ - (_MSC_FULL_VER >= ((major * 10000000) + (minor * 100000) + (patch))) -#elif defined(_MSC_VER) && (_MSC_VER >= 1200) -#define BROTLI_MSVC_VERSION_CHECK(major, minor, patch) \ - (_MSC_FULL_VER >= ((major * 1000000) + (minor * 10000) + (patch))) -#else -#define BROTLI_MSVC_VERSION_CHECK(major, minor, patch) \ - (_MSC_VER >= ((major * 100) + (minor))) -#endif - -#if defined(__INTEL_COMPILER) && defined(__INTEL_COMPILER_UPDATE) -#define BROTLI_INTEL_VERSION \ - BROTLI_MAKE_VERSION(__INTEL_COMPILER / 100, \ - __INTEL_COMPILER % 100, \ - __INTEL_COMPILER_UPDATE) -#elif defined(__INTEL_COMPILER) -#define BROTLI_INTEL_VERSION \ - BROTLI_MAKE_VERSION(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, 0) -#endif - -#if defined(BROTLI_INTEL_VERSION) -#define BROTLI_INTEL_VERSION_CHECK(major, minor, patch) \ - (BROTLI_INTEL_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch)) -#else -#define BROTLI_INTEL_VERSION_CHECK(major, minor, patch) (0) -#endif - -#if defined(__PGI) && \ - defined(__PGIC__) && defined(__PGIC_MINOR__) && defined(__PGIC_PATCHLEVEL__) -#define BROTLI_PGI_VERSION \ - BROTLI_MAKE_VERSION(__PGIC__, __PGIC_MINOR__, __PGIC_PATCHLEVEL__) -#endif - -#if defined(BROTLI_PGI_VERSION) -#define BROTLI_PGI_VERSION_CHECK(major, minor, patch) \ - (BROTLI_PGI_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch)) -#else -#define BROTLI_PGI_VERSION_CHECK(major, minor, patch) (0) -#endif - -#if defined(__SUNPRO_C) && (__SUNPRO_C > 0x1000) -#define BROTLI_SUNPRO_VERSION \ - BROTLI_MAKE_VERSION( \ - (((__SUNPRO_C >> 16) & 0xf) * 10) + ((__SUNPRO_C >> 12) & 0xf), \ - (((__SUNPRO_C >> 8) & 0xf) * 10) + ((__SUNPRO_C >> 4) & 0xf), \ - (__SUNPRO_C & 0xf) * 10) -#elif defined(__SUNPRO_C) -#define BROTLI_SUNPRO_VERSION \ - BROTLI_MAKE_VERSION((__SUNPRO_C >> 8) & 0xf, \ - (__SUNPRO_C >> 4) & 0xf, \ - (__SUNPRO_C) & 0xf) -#elif defined(__SUNPRO_CC) && (__SUNPRO_CC > 0x1000) -#define BROTLI_SUNPRO_VERSION \ - BROTLI_MAKE_VERSION( \ - (((__SUNPRO_CC >> 16) & 0xf) * 10) + ((__SUNPRO_CC >> 12) & 0xf), \ - (((__SUNPRO_CC >> 8) & 0xf) * 10) + ((__SUNPRO_CC >> 4) & 0xf), \ - (__SUNPRO_CC & 0xf) * 10) -#elif defined(__SUNPRO_CC) -#define BROTLI_SUNPRO_VERSION \ - BROTLI_MAKE_VERSION((__SUNPRO_CC >> 8) & 0xf, \ - (__SUNPRO_CC >> 4) & 0xf, \ - (__SUNPRO_CC) & 0xf) -#endif - -#if defined(BROTLI_SUNPRO_VERSION) -#define BROTLI_SUNPRO_VERSION_CHECK(major, minor, patch) \ - (BROTLI_SUNPRO_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch)) -#else -#define BROTLI_SUNPRO_VERSION_CHECK(major, minor, patch) (0) -#endif - -#if defined(__CC_ARM) && defined(__ARMCOMPILER_VERSION) -#define BROTLI_ARM_VERSION \ - BROTLI_MAKE_VERSION((__ARMCOMPILER_VERSION / 1000000), \ - (__ARMCOMPILER_VERSION % 1000000) / 10000, \ - (__ARMCOMPILER_VERSION % 10000) / 100) -#elif defined(__CC_ARM) && defined(__ARMCC_VERSION) -#define BROTLI_ARM_VERSION \ - BROTLI_MAKE_VERSION((__ARMCC_VERSION / 1000000), \ - (__ARMCC_VERSION % 1000000) / 10000, \ - (__ARMCC_VERSION % 10000) / 100) -#endif - -#if defined(BROTLI_ARM_VERSION) -#define BROTLI_ARM_VERSION_CHECK(major, minor, patch) \ - (BROTLI_ARM_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch)) -#else -#define BROTLI_ARM_VERSION_CHECK(major, minor, patch) (0) -#endif - -#if defined(__ibmxl__) -#define BROTLI_IBM_VERSION \ - BROTLI_MAKE_VERSION(__ibmxl_version__, \ - __ibmxl_release__, \ - __ibmxl_modification__) -#elif defined(__xlC__) && defined(__xlC_ver__) -#define BROTLI_IBM_VERSION \ - BROTLI_MAKE_VERSION(__xlC__ >> 8, __xlC__ & 0xff, (__xlC_ver__ >> 8) & 0xff) -#elif defined(__xlC__) -#define BROTLI_IBM_VERSION BROTLI_MAKE_VERSION(__xlC__ >> 8, __xlC__ & 0xff, 0) -#endif - -#if defined(BROTLI_IBM_VERSION) -#define BROTLI_IBM_VERSION_CHECK(major, minor, patch) \ - (BROTLI_IBM_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch)) -#else -#define BROTLI_IBM_VERSION_CHECK(major, minor, patch) (0) -#endif - -#if defined(__TI_COMPILER_VERSION__) -#define BROTLI_TI_VERSION \ - BROTLI_MAKE_VERSION((__TI_COMPILER_VERSION__ / 1000000), \ - (__TI_COMPILER_VERSION__ % 1000000) / 1000, \ - (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(BROTLI_TI_VERSION) -#define BROTLI_TI_VERSION_CHECK(major, minor, patch) \ - (BROTLI_TI_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch)) -#else -#define BROTLI_TI_VERSION_CHECK(major, minor, patch) (0) -#endif - -#if defined(__IAR_SYSTEMS_ICC__) -#if __VER__ > 1000 -#define BROTLI_IAR_VERSION \ - BROTLI_MAKE_VERSION((__VER__ / 1000000), \ - (__VER__ / 1000) % 1000, \ - (__VER__ % 1000)) -#else -#define BROTLI_IAR_VERSION BROTLI_MAKE_VERSION(VER / 100, __VER__ % 100, 0) -#endif -#endif - -#if defined(BROTLI_IAR_VERSION) -#define BROTLI_IAR_VERSION_CHECK(major, minor, patch) \ - (BROTLI_IAR_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch)) -#else -#define BROTLI_IAR_VERSION_CHECK(major, minor, patch) (0) -#endif - -#if defined(__TINYC__) -#define BROTLI_TINYC_VERSION \ - BROTLI_MAKE_VERSION(__TINYC__ / 1000, (__TINYC__ / 100) % 10, __TINYC__ % 100) -#endif - -#if defined(BROTLI_TINYC_VERSION) -#define BROTLI_TINYC_VERSION_CHECK(major, minor, patch) \ - (BROTLI_TINYC_VERSION >= BROTLI_MAKE_VERSION(major, minor, patch)) -#else -#define BROTLI_TINYC_VERSION_CHECK(major, minor, patch) (0) -#endif - -#if defined(__has_attribute) -#define BROTLI_GNUC_HAS_ATTRIBUTE(attribute, major, minor, patch) \ - __has_attribute(attribute) -#else -#define BROTLI_GNUC_HAS_ATTRIBUTE(attribute, major, minor, patch) \ - BROTLI_GNUC_VERSION_CHECK(major, minor, patch) -#endif - -#if defined(__has_builtin) -#define BROTLI_GNUC_HAS_BUILTIN(builtin, major, minor, patch) \ - __has_builtin(builtin) -#else -#define BROTLI_GNUC_HAS_BUILTIN(builtin, major, minor, patch) \ - BROTLI_GNUC_VERSION_CHECK(major, minor, patch) -#endif - -#if defined(__has_feature) -#define BROTLI_HAS_FEATURE(feature) __has_feature(feature) -#else -#define BROTLI_HAS_FEATURE(feature) (0) -#endif - -#if defined(_WIN32) || defined(__CYGWIN__) -#define BROTLI_PUBLIC -#elif BROTLI_GNUC_VERSION_CHECK(3, 3, 0) || \ - BROTLI_TI_VERSION_CHECK(8, 0, 0) || \ - BROTLI_INTEL_VERSION_CHECK(16, 0, 0) || \ - BROTLI_ARM_VERSION_CHECK(4, 1, 0) || \ - BROTLI_IBM_VERSION_CHECK(13, 1, 0) || \ - BROTLI_SUNPRO_VERSION_CHECK(5, 11, 0) || \ - (BROTLI_TI_VERSION_CHECK(7, 3, 0) && \ - defined(__TI_GNU_ATTRIBUTE_SUPPORT__) && defined(__TI_EABI__)) -#define BROTLI_PUBLIC __attribute__ ((visibility ("default"))) -#else -#define BROTLI_PUBLIC -#endif - -/* BROTLI_INTERNAL could be defined to override visibility, e.g. for tests. */ -#if !defined(BROTLI_INTERNAL) -#if defined(_WIN32) || defined(__CYGWIN__) -#define BROTLI_INTERNAL -#elif BROTLI_GNUC_VERSION_CHECK(3, 3, 0) || \ - BROTLI_TI_VERSION_CHECK(8, 0, 0) || \ - BROTLI_INTEL_VERSION_CHECK(16, 0, 0) || \ - BROTLI_ARM_VERSION_CHECK(4, 1, 0) || \ - BROTLI_IBM_VERSION_CHECK(13, 1, 0) || \ - BROTLI_SUNPRO_VERSION_CHECK(5, 11, 0) || \ - (BROTLI_TI_VERSION_CHECK(7, 3, 0) && \ - defined(__TI_GNU_ATTRIBUTE_SUPPORT__) && defined(__TI_EABI__)) -#define BROTLI_INTERNAL __attribute__ ((visibility ("hidden"))) -#else -#define BROTLI_INTERNAL -#endif -#endif - -#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \ - !defined(__STDC_NO_VLA__) && !defined(__cplusplus) && \ - !defined(__PGI) && !defined(__PGIC__) && !defined(__TINYC__) && \ - !defined(__clang__) -#define BROTLI_ARRAY_PARAM(name) (name) -#else -#define BROTLI_ARRAY_PARAM(name) -#endif - -/* <<< <<< <<< end of hedley macros. */ - -#if defined(BROTLI_SHARED_COMPILATION) -#if defined(_WIN32) -#if defined(BROTLICOMMON_SHARED_COMPILATION) -#define BROTLI_COMMON_API __declspec(dllexport) -#else -#define BROTLI_COMMON_API __declspec(dllimport) -#endif /* BROTLICOMMON_SHARED_COMPILATION */ -#if defined(BROTLIDEC_SHARED_COMPILATION) -#define BROTLI_DEC_API __declspec(dllexport) -#else -#define BROTLI_DEC_API __declspec(dllimport) -#endif /* BROTLIDEC_SHARED_COMPILATION */ -#if defined(BROTLIENC_SHARED_COMPILATION) -#define BROTLI_ENC_API __declspec(dllexport) -#else -#define BROTLI_ENC_API __declspec(dllimport) -#endif /* BROTLIENC_SHARED_COMPILATION */ -#else /* _WIN32 */ -#define BROTLI_COMMON_API BROTLI_PUBLIC -#define BROTLI_DEC_API BROTLI_PUBLIC -#define BROTLI_ENC_API BROTLI_PUBLIC -#endif /* _WIN32 */ -#else /* BROTLI_SHARED_COMPILATION */ -#define BROTLI_COMMON_API -#define BROTLI_DEC_API -#define BROTLI_ENC_API -#endif - -#if defined(BROTLI_BUILD_ENC_EXTRA_API) -#define BROTLI_ENC_EXTRA_API BROTLI_ENC_API -#else -#define BROTLI_ENC_EXTRA_API BROTLI_INTERNAL -#endif - -#endif /* BROTLI_COMMON_PORT_H_ */ diff --git a/src/deps/brotli/include/brotli/shared_dictionary.h b/src/deps/brotli/include/brotli/shared_dictionary.h deleted file mode 100644 index 2970c2dcc9..0000000000 --- a/src/deps/brotli/include/brotli/shared_dictionary.h +++ /dev/null @@ -1,100 +0,0 @@ -/* Copyright 2017 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* (Opaque) Shared Dictionary definition and utilities. */ - -#ifndef BROTLI_COMMON_SHARED_DICTIONARY_H_ -#define BROTLI_COMMON_SHARED_DICTIONARY_H_ - -#include -#include - -#if defined(__cplusplus) || defined(c_plusplus) -extern "C" { -#endif - -#define SHARED_BROTLI_MIN_DICTIONARY_WORD_LENGTH 4 -#define SHARED_BROTLI_MAX_DICTIONARY_WORD_LENGTH 31 -#define SHARED_BROTLI_NUM_DICTIONARY_CONTEXTS 64 -#define SHARED_BROTLI_MAX_COMPOUND_DICTS 15 - -/** - * Opaque structure that holds shared dictionary data. - * - * Allocated and initialized with ::BrotliSharedDictionaryCreateInstance. - * Cleaned up and deallocated with ::BrotliSharedDictionaryDestroyInstance. - */ -typedef struct BrotliSharedDictionaryStruct BrotliSharedDictionary; - -/** - * Input data type for ::BrotliSharedDictionaryAttach. - */ -typedef enum BrotliSharedDictionaryType { - /** Raw LZ77 prefix dictionary. */ - BROTLI_SHARED_DICTIONARY_RAW = 0, - /** Serialized shared dictionary. - * - * DO NOT USE: methods accepting this value will fail. - */ - BROTLI_SHARED_DICTIONARY_SERIALIZED = 1 -} BrotliSharedDictionaryType; - -/** - * Creates an instance of ::BrotliSharedDictionary. - * - * Fresh instance has default word dictionary and transforms - * and no LZ77 prefix dictionary. - * - * @p alloc_func and @p free_func @b MUST be both zero or both non-zero. In the - * case they are both zero, default memory allocators are used. @p opaque is - * passed to @p alloc_func and @p free_func when they are called. @p free_func - * has to return without doing anything when asked to free a NULL pointer. - * - * @param alloc_func custom memory allocation function - * @param free_func custom memory free function - * @param opaque custom memory manager handle - * @returns @c 0 if instance can not be allocated or initialized - * @returns pointer to initialized ::BrotliSharedDictionary otherwise - */ -BROTLI_COMMON_API BrotliSharedDictionary* BrotliSharedDictionaryCreateInstance( - brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque); - -/** - * Deinitializes and frees ::BrotliSharedDictionary instance. - * - * @param dict shared dictionary instance to be cleaned up and deallocated - */ -BROTLI_COMMON_API void BrotliSharedDictionaryDestroyInstance( - BrotliSharedDictionary* dict); - -/** - * Attaches dictionary to a given instance of ::BrotliSharedDictionary. - * - * Dictionary to be attached is represented in a serialized format as a region - * of memory. - * - * Provided data it partially referenced by a resulting (compound) dictionary, - * and should be kept untouched, while at least one compound dictionary uses it. - * This way memory overhead is kept minimal by the cost of additional resource - * management. - * - * @param dict dictionary to extend - * @param type type of dictionary to attach - * @param data_size size of @p data - * @param data serialized dictionary of type @p type, with at least @p data_size - * addressable bytes - * @returns ::BROTLI_TRUE if provided dictionary is successfully attached - * @returns ::BROTLI_FALSE otherwise - */ -BROTLI_COMMON_API BROTLI_BOOL BrotliSharedDictionaryAttach( - BrotliSharedDictionary* dict, BrotliSharedDictionaryType type, - size_t data_size, const uint8_t data[BROTLI_ARRAY_PARAM(data_size)]); - -#if defined(__cplusplus) || defined(c_plusplus) -} /* extern "C" */ -#endif - -#endif /* BROTLI_COMMON_SHARED_DICTIONARY_H_ */ diff --git a/src/deps/brotli/include/brotli/types.h b/src/deps/brotli/include/brotli/types.h deleted file mode 100644 index eff1a3cd07..0000000000 --- a/src/deps/brotli/include/brotli/types.h +++ /dev/null @@ -1,83 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/** - * @file - * Common types used in decoder and encoder API. - */ - -#ifndef BROTLI_COMMON_TYPES_H_ -#define BROTLI_COMMON_TYPES_H_ - -#include /* for size_t */ - -#if defined(_MSC_VER) && (_MSC_VER < 1600) -typedef __int8 int8_t; -typedef unsigned __int8 uint8_t; -typedef __int16 int16_t; -typedef unsigned __int16 uint16_t; -typedef __int32 int32_t; -typedef unsigned __int32 uint32_t; -typedef unsigned __int64 uint64_t; -typedef __int64 int64_t; -#else -#include -#endif /* defined(_MSC_VER) && (_MSC_VER < 1600) */ - -/** - * A portable @c bool replacement. - * - * ::BROTLI_BOOL is a "documentation" type: actually it is @c int, but in API it - * denotes a type, whose only values are ::BROTLI_TRUE and ::BROTLI_FALSE. - * - * ::BROTLI_BOOL values passed to Brotli should either be ::BROTLI_TRUE or - * ::BROTLI_FALSE, or be a result of ::TO_BROTLI_BOOL macros. - * - * ::BROTLI_BOOL values returned by Brotli should not be tested for equality - * with @c true, @c false, ::BROTLI_TRUE, ::BROTLI_FALSE, but rather should be - * evaluated, for example: @code{.cpp} - * if (SomeBrotliFunction(encoder, BROTLI_TRUE) && - * !OtherBrotliFunction(decoder, BROTLI_FALSE)) { - * bool x = !!YetAnotherBrotliFunction(encoder, TO_BROLTI_BOOL(2 * 2 == 4)); - * DoSomething(x); - * } - * @endcode - */ -#define BROTLI_BOOL int -/** Portable @c true replacement. */ -#define BROTLI_TRUE 1 -/** Portable @c false replacement. */ -#define BROTLI_FALSE 0 -/** @c bool to ::BROTLI_BOOL conversion macros. */ -#define TO_BROTLI_BOOL(X) (!!(X) ? BROTLI_TRUE : BROTLI_FALSE) - -#define BROTLI_MAKE_UINT64_T(high, low) ((((uint64_t)(high)) << 32) | low) - -#define BROTLI_UINT32_MAX (~((uint32_t)0)) -#define BROTLI_SIZE_MAX (~((size_t)0)) - -/** - * Allocating function pointer type. - * - * @param opaque custom memory manager handle provided by client - * @param size requested memory region size; can not be @c 0 - * @returns @c 0 in the case of failure - * @returns a valid pointer to a memory region of at least @p size bytes - * long otherwise - */ -typedef void* (*brotli_alloc_func)(void* opaque, size_t size); - -/** - * Deallocating function pointer type. - * - * This function @b SHOULD do nothing if @p address is @c 0. - * - * @param opaque custom memory manager handle provided by client - * @param address memory region pointer returned by ::brotli_alloc_func, or @c 0 - */ -typedef void (*brotli_free_func)(void* opaque, void* address); - -#endif /* BROTLI_COMMON_TYPES_H_ */ diff --git a/src/deps/c-ares b/src/deps/c-ares deleted file mode 160000 index d1722e6e8a..0000000000 --- a/src/deps/c-ares +++ /dev/null @@ -1 +0,0 @@ -Subproject commit d1722e6e8acaf10eb73fa995798a9cd421d9f85e diff --git a/src/deps/libarchive b/src/deps/libarchive deleted file mode 160000 index 898dc83193..0000000000 --- a/src/deps/libarchive +++ /dev/null @@ -1 +0,0 @@ -Subproject commit 898dc8319355b7e985f68a9819f182aaed61b53a diff --git a/src/deps/libdeflate b/src/deps/libdeflate deleted file mode 160000 index dc76454a39..0000000000 --- a/src/deps/libdeflate +++ /dev/null @@ -1 +0,0 @@ -Subproject commit dc76454a39e7e83b68c3704b6e3784654f8d5ac5 diff --git a/src/deps/lol-html b/src/deps/lol-html deleted file mode 160000 index 8d4c273ded..0000000000 --- a/src/deps/lol-html +++ /dev/null @@ -1 +0,0 @@ -Subproject commit 8d4c273ded322193d017042d1f48df2766b0f88b diff --git a/src/deps/ls-hpack b/src/deps/ls-hpack deleted file mode 160000 index 3d0f1fc1d6..0000000000 --- a/src/deps/ls-hpack +++ /dev/null @@ -1 +0,0 @@ -Subproject commit 3d0f1fc1d6e66a642e7a98c55deb38aa986eb4b0 diff --git a/src/deps/mimalloc b/src/deps/mimalloc deleted file mode 160000 index 4c283af60c..0000000000 --- a/src/deps/mimalloc +++ /dev/null @@ -1 +0,0 @@ -Subproject commit 4c283af60cdae205df5a872530c77e2a6a307d43 diff --git a/src/deps/picohttpparser b/src/deps/picohttpparser deleted file mode 160000 index 066d2b1e9a..0000000000 --- a/src/deps/picohttpparser +++ /dev/null @@ -1 +0,0 @@ -Subproject commit 066d2b1e9ab820703db0837a7255d92d30f0c9f5 diff --git a/src/deps/picohttpparser.c b/src/deps/picohttpparser.c deleted file mode 100644 index c762af9e83..0000000000 --- a/src/deps/picohttpparser.c +++ /dev/null @@ -1,665 +0,0 @@ -/* - * Copyright (c) 2009-2014 Kazuho Oku, Tokuhiro Matsuno, Daisuke Murase, - * Shigeo Mitsunari - * - * The software is licensed under either the MIT License (below) or the Perl - * license. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include -#include -#include -#ifdef __SSE4_2__ -#ifdef _MSC_VER -#include -#else -#include -#endif -#endif -#include "picohttpparser.h" - -#if __GNUC__ >= 3 -#define likely(x) __builtin_expect(!!(x), 1) -#define unlikely(x) __builtin_expect(!!(x), 0) -#else -#define likely(x) (x) -#define unlikely(x) (x) -#endif - -#ifdef _MSC_VER -#define ALIGNED(n) _declspec(align(n)) -#else -#define ALIGNED(n) __attribute__((aligned(n))) -#endif - -#define IS_PRINTABLE_ASCII(c) ((unsigned char)(c)-040u < 0137u) - -#define CHECK_EOF() \ - if (buf == buf_end) { \ - *ret = -2; \ - return NULL; \ - } - -#define EXPECT_CHAR_NO_CHECK(ch) \ - if (*buf++ != ch) { \ - *ret = -1; \ - return NULL; \ - } - -#define EXPECT_CHAR(ch) \ - CHECK_EOF(); \ - EXPECT_CHAR_NO_CHECK(ch); - -#define ADVANCE_TOKEN(tok, toklen) \ - do { \ - const char *tok_start = buf; \ - static const char ALIGNED(16) ranges2[16] = "\000\040\177\177"; \ - int found2; \ - buf = findchar_fast(buf, buf_end, ranges2, 4, &found2); \ - if (!found2) { \ - CHECK_EOF(); \ - } \ - while (1) { \ - if (*buf == ' ') { \ - break; \ - } else if (unlikely(!IS_PRINTABLE_ASCII(*buf))) { \ - if ((unsigned char)*buf < '\040' || *buf == '\177') { \ - *ret = -1; \ - return NULL; \ - } \ - } \ - ++buf; \ - CHECK_EOF(); \ - } \ - tok = tok_start; \ - toklen = buf - tok_start; \ - } while (0) - -static const char *token_char_map = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" - "\0\1\0\1\1\1\1\1\0\0\1\1\0\1\1\0\1\1\1\1\1\1\1\1\1\1\0\0\0\0\0\0" - "\0\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\0\0\0\1\1" - "\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\0\1\0\1\0" - "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" - "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" - "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" - "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"; - -static const char *findchar_fast(const char *buf, const char *buf_end, const char *ranges, size_t ranges_size, int *found) -{ - *found = 0; -#if __SSE4_2__ - if (likely(buf_end - buf >= 16)) { - __m128i ranges16 = _mm_loadu_si128((const __m128i *)ranges); - - size_t left = (buf_end - buf) & ~15; - do { - __m128i b16 = _mm_loadu_si128((const __m128i *)buf); - int r = _mm_cmpestri(ranges16, ranges_size, b16, 16, _SIDD_LEAST_SIGNIFICANT | _SIDD_CMP_RANGES | _SIDD_UBYTE_OPS); - if (unlikely(r != 16)) { - buf += r; - *found = 1; - break; - } - buf += 16; - left -= 16; - } while (likely(left != 0)); - } -#else - /* suppress unused parameter warning */ - (void)buf_end; - (void)ranges; - (void)ranges_size; -#endif - return buf; -} - -static const char *get_token_to_eol(const char *buf, const char *buf_end, const char **token, size_t *token_len, int *ret) -{ - const char *token_start = buf; - -#ifdef __SSE4_2__ - static const char ALIGNED(16) ranges1[16] = "\0\010" /* allow HT */ - "\012\037" /* allow SP and up to but not including DEL */ - "\177\177"; /* allow chars w. MSB set */ - int found; - buf = findchar_fast(buf, buf_end, ranges1, 6, &found); - if (found) - goto FOUND_CTL; -#else - /* find non-printable char within the next 8 bytes, this is the hottest code; manually inlined */ - while (likely(buf_end - buf >= 8)) { -#define DOIT() \ - do { \ - if (unlikely(!IS_PRINTABLE_ASCII(*buf))) \ - goto NonPrintable; \ - ++buf; \ - } while (0) - DOIT(); - DOIT(); - DOIT(); - DOIT(); - DOIT(); - DOIT(); - DOIT(); - DOIT(); -#undef DOIT - continue; - NonPrintable: - if ((likely((unsigned char)*buf < '\040') && likely(*buf != '\011')) || unlikely(*buf == '\177')) { - goto FOUND_CTL; - } - ++buf; - } -#endif - for (;; ++buf) { - CHECK_EOF(); - if (unlikely(!IS_PRINTABLE_ASCII(*buf))) { - if ((likely((unsigned char)*buf < '\040') && likely(*buf != '\011')) || unlikely(*buf == '\177')) { - goto FOUND_CTL; - } - } - } -FOUND_CTL: - if (likely(*buf == '\015')) { - ++buf; - EXPECT_CHAR('\012'); - *token_len = buf - 2 - token_start; - } else if (*buf == '\012') { - *token_len = buf - token_start; - ++buf; - } else { - *ret = -1; - return NULL; - } - *token = token_start; - - return buf; -} - -static const char *is_complete(const char *buf, const char *buf_end, size_t last_len, int *ret) -{ - int ret_cnt = 0; - buf = last_len < 3 ? buf : buf + last_len - 3; - - while (1) { - CHECK_EOF(); - if (*buf == '\015') { - ++buf; - CHECK_EOF(); - EXPECT_CHAR('\012'); - ++ret_cnt; - } else if (*buf == '\012') { - ++buf; - ++ret_cnt; - } else { - ++buf; - ret_cnt = 0; - } - if (ret_cnt == 2) { - return buf; - } - } - - *ret = -2; - return NULL; -} - -#define PARSE_INT(valp_, mul_) \ - if (*buf < '0' || '9' < *buf) { \ - buf++; \ - *ret = -1; \ - return NULL; \ - } \ - *(valp_) = (mul_) * (*buf++ - '0'); - -#define PARSE_INT_3(valp_) \ - do { \ - int res_ = 0; \ - PARSE_INT(&res_, 100) \ - *valp_ = res_; \ - PARSE_INT(&res_, 10) \ - *valp_ += res_; \ - PARSE_INT(&res_, 1) \ - *valp_ += res_; \ - } while (0) - -/* returned pointer is always within [buf, buf_end), or null */ -static const char *parse_token(const char *buf, const char *buf_end, const char **token, size_t *token_len, char next_char, - int *ret) -{ - /* We use pcmpestri to detect non-token characters. This instruction can take no more than eight character ranges (8*2*8=128 - * bits that is the size of a SSE register). Due to this restriction, characters `|` and `~` are handled in the slow loop. */ - static const char ALIGNED(16) ranges[] = "\x00 " /* control chars and up to SP */ - "\"\"" /* 0x22 */ - "()" /* 0x28,0x29 */ - ",," /* 0x2c */ - "//" /* 0x2f */ - ":@" /* 0x3a-0x40 */ - "[]" /* 0x5b-0x5d */ - "{\xff"; /* 0x7b-0xff */ - const char *buf_start = buf; - int found; - buf = findchar_fast(buf, buf_end, ranges, sizeof(ranges) - 1, &found); - if (!found) { - CHECK_EOF(); - } - while (1) { - if (*buf == next_char) { - break; - } else if (!token_char_map[(unsigned char)*buf]) { - *ret = -1; - return NULL; - } - ++buf; - CHECK_EOF(); - } - *token = buf_start; - *token_len = buf - buf_start; - return buf; -} - -/* returned pointer is always within [buf, buf_end), or null */ -static const char *parse_http_version(const char *buf, const char *buf_end, int *minor_version, int *ret) -{ - /* we want at least [HTTP/1.] to try to parse */ - if (buf_end - buf < 9) { - *ret = -2; - return NULL; - } - EXPECT_CHAR_NO_CHECK('H'); - EXPECT_CHAR_NO_CHECK('T'); - EXPECT_CHAR_NO_CHECK('T'); - EXPECT_CHAR_NO_CHECK('P'); - EXPECT_CHAR_NO_CHECK('/'); - EXPECT_CHAR_NO_CHECK('1'); - EXPECT_CHAR_NO_CHECK('.'); - PARSE_INT(minor_version, 1); - return buf; -} - -static const char *parse_headers(const char *buf, const char *buf_end, struct phr_header *headers, size_t *num_headers, - size_t max_headers, int *ret) -{ - for (;; ++*num_headers) { - CHECK_EOF(); - if (*buf == '\015') { - ++buf; - EXPECT_CHAR('\012'); - break; - } else if (*buf == '\012') { - ++buf; - break; - } - if (*num_headers == max_headers) { - *ret = -1; - return NULL; - } - if (!(*num_headers != 0 && (*buf == ' ' || *buf == '\t'))) { - /* parsing name, but do not discard SP before colon, see - * http://www.mozilla.org/security/announce/2006/mfsa2006-33.html */ - if ((buf = parse_token(buf, buf_end, &headers[*num_headers].name, &headers[*num_headers].name_len, ':', ret)) == NULL) { - return NULL; - } - if (headers[*num_headers].name_len == 0) { - *ret = -1; - return NULL; - } - ++buf; - for (;; ++buf) { - CHECK_EOF(); - if (!(*buf == ' ' || *buf == '\t')) { - break; - } - } - } else { - headers[*num_headers].name = NULL; - headers[*num_headers].name_len = 0; - } - const char *value; - size_t value_len; - if ((buf = get_token_to_eol(buf, buf_end, &value, &value_len, ret)) == NULL) { - return NULL; - } - /* remove trailing SPs and HTABs */ - const char *value_end = value + value_len; - for (; value_end != value; --value_end) { - const char c = *(value_end - 1); - if (!(c == ' ' || c == '\t')) { - break; - } - } - headers[*num_headers].value = value; - headers[*num_headers].value_len = value_end - value; - } - return buf; -} - -static const char *parse_request(const char *buf, const char *buf_end, const char **method, size_t *method_len, const char **path, - size_t *path_len, int *minor_version, struct phr_header *headers, size_t *num_headers, - size_t max_headers, int *ret) -{ - /* skip first empty line (some clients add CRLF after POST content) */ - CHECK_EOF(); - if (*buf == '\015') { - ++buf; - EXPECT_CHAR('\012'); - } else if (*buf == '\012') { - ++buf; - } - - /* parse request line */ - if ((buf = parse_token(buf, buf_end, method, method_len, ' ', ret)) == NULL) { - return NULL; - } - do { - ++buf; - CHECK_EOF(); - } while (*buf == ' '); - ADVANCE_TOKEN(*path, *path_len); - do { - ++buf; - CHECK_EOF(); - } while (*buf == ' '); - if (*method_len == 0 || *path_len == 0) { - *ret = -1; - return NULL; - } - if ((buf = parse_http_version(buf, buf_end, minor_version, ret)) == NULL) { - return NULL; - } - if (*buf == '\015') { - ++buf; - EXPECT_CHAR('\012'); - } else if (*buf == '\012') { - ++buf; - } else { - *ret = -1; - return NULL; - } - - return parse_headers(buf, buf_end, headers, num_headers, max_headers, ret); -} - -int phr_parse_request(const char *buf_start, size_t len, const char **method, size_t *method_len, const char **path, - size_t *path_len, int *minor_version, struct phr_header *headers, size_t *num_headers, size_t last_len) -{ - const char *buf = buf_start, *buf_end = buf_start + len; - size_t max_headers = *num_headers; - int r; - - *method = NULL; - *method_len = 0; - *path = NULL; - *path_len = 0; - *minor_version = -1; - *num_headers = 0; - - /* if last_len != 0, check if the request is complete (a fast countermeasure - againt slowloris */ - if (last_len != 0 && is_complete(buf, buf_end, last_len, &r) == NULL) { - return r; - } - - if ((buf = parse_request(buf, buf_end, method, method_len, path, path_len, minor_version, headers, num_headers, max_headers, - &r)) == NULL) { - return r; - } - - return (int)(buf - buf_start); -} - -static const char *parse_response(const char *buf, const char *buf_end, int *minor_version, int *status, const char **msg, - size_t *msg_len, struct phr_header *headers, size_t *num_headers, size_t max_headers, int *ret) -{ - /* parse "HTTP/1.x" */ - if ((buf = parse_http_version(buf, buf_end, minor_version, ret)) == NULL) { - return NULL; - } - /* skip space */ - if (*buf != ' ') { - *ret = -1; - return NULL; - } - do { - ++buf; - CHECK_EOF(); - } while (*buf == ' '); - /* parse status code, we want at least [:digit:][:digit:][:digit:] to try to parse */ - if (buf_end - buf < 4) { - *ret = -2; - return NULL; - } - PARSE_INT_3(status); - - /* get message including preceding space */ - if ((buf = get_token_to_eol(buf, buf_end, msg, msg_len, ret)) == NULL) { - return NULL; - } - if (*msg_len == 0) { - /* ok */ - } else if (**msg == ' ') { - /* Remove preceding space. Successful return from `get_token_to_eol` guarantees that we would hit something other than SP - * before running past the end of the given buffer. */ - do { - ++*msg; - --*msg_len; - } while (**msg == ' '); - } else { - /* garbage found after status code */ - *ret = -1; - return NULL; - } - - return parse_headers(buf, buf_end, headers, num_headers, max_headers, ret); -} - -int phr_parse_response(const char *buf_start, size_t len, int *minor_version, int *status, const char **msg, size_t *msg_len, - struct phr_header *headers, size_t *num_headers, size_t last_len) -{ - const char *buf = buf_start, *buf_end = buf + len; - size_t max_headers = *num_headers; - int r; - - *minor_version = -1; - *status = 0; - *msg = NULL; - *msg_len = 0; - *num_headers = 0; - - /* if last_len != 0, check if the response is complete (a fast countermeasure - against slowloris */ - if (last_len != 0 && is_complete(buf, buf_end, last_len, &r) == NULL) { - return r; - } - - if ((buf = parse_response(buf, buf_end, minor_version, status, msg, msg_len, headers, num_headers, max_headers, &r)) == NULL) { - return r; - } - - return (int)(buf - buf_start); -} - -int phr_parse_headers(const char *buf_start, size_t len, struct phr_header *headers, size_t *num_headers, size_t last_len) -{ - const char *buf = buf_start, *buf_end = buf + len; - size_t max_headers = *num_headers; - int r; - - *num_headers = 0; - - /* if last_len != 0, check if the response is complete (a fast countermeasure - against slowloris */ - if (last_len != 0 && is_complete(buf, buf_end, last_len, &r) == NULL) { - return r; - } - - if ((buf = parse_headers(buf, buf_end, headers, num_headers, max_headers, &r)) == NULL) { - return r; - } - - return (int)(buf - buf_start); -} - -enum { - CHUNKED_IN_CHUNK_SIZE, - CHUNKED_IN_CHUNK_EXT, - CHUNKED_IN_CHUNK_DATA, - CHUNKED_IN_CHUNK_CRLF, - CHUNKED_IN_TRAILERS_LINE_HEAD, - CHUNKED_IN_TRAILERS_LINE_MIDDLE -}; - -static int decode_hex(int ch) -{ - if ('0' <= ch && ch <= '9') { - return ch - '0'; - } else if ('A' <= ch && ch <= 'F') { - return ch - 'A' + 0xa; - } else if ('a' <= ch && ch <= 'f') { - return ch - 'a' + 0xa; - } else { - return -1; - } -} - -ssize_t phr_decode_chunked(struct phr_chunked_decoder *decoder, char *buf, size_t *_bufsz) -{ - size_t dst = 0, src = 0, bufsz = *_bufsz; - ssize_t ret = -2; /* incomplete */ - - while (1) { - switch (decoder->_state) { - case CHUNKED_IN_CHUNK_SIZE: - for (;; ++src) { - int v; - if (src == bufsz) - goto Exit; - if ((v = decode_hex(buf[src])) == -1) { - if (decoder->_hex_count == 0) { - ret = -1; - goto Exit; - } - break; - } - if (decoder->_hex_count == sizeof(size_t) * 2) { - ret = -1; - goto Exit; - } - decoder->bytes_left_in_chunk = decoder->bytes_left_in_chunk * 16 + v; - ++decoder->_hex_count; - } - decoder->_hex_count = 0; - decoder->_state = CHUNKED_IN_CHUNK_EXT; - /* fallthru */ - case CHUNKED_IN_CHUNK_EXT: - /* RFC 7230 A.2 "Line folding in chunk extensions is disallowed" */ - for (;; ++src) { - if (src == bufsz) - goto Exit; - if (buf[src] == '\012') - break; - } - ++src; - if (decoder->bytes_left_in_chunk == 0) { - if (decoder->consume_trailer) { - decoder->_state = CHUNKED_IN_TRAILERS_LINE_HEAD; - break; - } else { - goto Complete; - } - } - decoder->_state = CHUNKED_IN_CHUNK_DATA; - /* fallthru */ - case CHUNKED_IN_CHUNK_DATA: { - size_t avail = bufsz - src; - if (avail < decoder->bytes_left_in_chunk) { - if (dst != src) - memmove(buf + dst, buf + src, avail); - src += avail; - dst += avail; - decoder->bytes_left_in_chunk -= avail; - goto Exit; - } - if (dst != src) - memmove(buf + dst, buf + src, decoder->bytes_left_in_chunk); - src += decoder->bytes_left_in_chunk; - dst += decoder->bytes_left_in_chunk; - decoder->bytes_left_in_chunk = 0; - decoder->_state = CHUNKED_IN_CHUNK_CRLF; - } - /* fallthru */ - case CHUNKED_IN_CHUNK_CRLF: - for (;; ++src) { - if (src == bufsz) - goto Exit; - if (buf[src] != '\015') - break; - } - if (buf[src] != '\012') { - ret = -1; - goto Exit; - } - ++src; - decoder->_state = CHUNKED_IN_CHUNK_SIZE; - break; - case CHUNKED_IN_TRAILERS_LINE_HEAD: - for (;; ++src) { - if (src == bufsz) - goto Exit; - if (buf[src] != '\015') - break; - } - if (buf[src++] == '\012') - goto Complete; - decoder->_state = CHUNKED_IN_TRAILERS_LINE_MIDDLE; - /* fallthru */ - case CHUNKED_IN_TRAILERS_LINE_MIDDLE: - for (;; ++src) { - if (src == bufsz) - goto Exit; - if (buf[src] == '\012') - break; - } - ++src; - decoder->_state = CHUNKED_IN_TRAILERS_LINE_HEAD; - break; - default: - assert(!"decoder is corrupt"); - } - } - -Complete: - ret = bufsz - src; -Exit: - if (dst != src) - memmove(buf + dst, buf + src, bufsz - src); - *_bufsz = dst; - return ret; -} - -int phr_decode_chunked_is_in_data(struct phr_chunked_decoder *decoder) -{ - return decoder->_state == CHUNKED_IN_CHUNK_DATA; -} - -#undef CHECK_EOF -#undef EXPECT_CHAR -#undef ADVANCE_TOKEN \ No newline at end of file diff --git a/src/deps/picohttpparser.h b/src/deps/picohttpparser.h deleted file mode 100644 index 07537cf1ea..0000000000 --- a/src/deps/picohttpparser.h +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Copyright (c) 2009-2014 Kazuho Oku, Tokuhiro Matsuno, Daisuke Murase, - * Shigeo Mitsunari - * - * The software is licensed under either the MIT License (below) or the Perl - * license. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#ifndef picohttpparser_h -#define picohttpparser_h - -#include - -#ifdef _MSC_VER -#define ssize_t intptr_t -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -/* contains name and value of a header (name == NULL if is a continuing line - * of a multiline header */ -struct phr_header { - const char *name; - size_t name_len; - const char *value; - size_t value_len; -}; - -/* returns number of bytes consumed if successful, -2 if request is partial, - * -1 if failed */ -int phr_parse_request(const char *buf, size_t len, const char **method, size_t *method_len, const char **path, size_t *path_len, - int *minor_version, struct phr_header *headers, size_t *num_headers, size_t last_len); - -/* ditto */ -int phr_parse_response(const char *_buf, size_t len, int *minor_version, int *status, const char **msg, size_t *msg_len, - struct phr_header *headers, size_t *num_headers, size_t last_len); - -/* ditto */ -int phr_parse_headers(const char *buf, size_t len, struct phr_header *headers, size_t *num_headers, size_t last_len); - -/* should be zero-filled before start */ -struct phr_chunked_decoder { - size_t bytes_left_in_chunk; /* number of bytes left in current chunk */ - char consume_trailer; /* if trailing headers should be consumed */ - char _hex_count; - char _state; -}; - -/* the function rewrites the buffer given as (buf, bufsz) removing the chunked- - * encoding headers. When the function returns without an error, bufsz is - * updated to the length of the decoded data available. Applications should - * repeatedly call the function while it returns -2 (incomplete) every time - * supplying newly arrived data. If the end of the chunked-encoded data is - * found, the function returns a non-negative number indicating the number of - * octets left undecoded, that starts from the offset returned by `*bufsz`. - * Returns -1 on error. - */ -ssize_t phr_decode_chunked(struct phr_chunked_decoder *decoder, char *buf, size_t *bufsz); - -/* returns if the chunked decoder is in middle of chunked data */ -int phr_decode_chunked_is_in_data(struct phr_chunked_decoder *decoder); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/src/deps/picohttpparser.h.gch b/src/deps/picohttpparser.h.gch deleted file mode 100644 index 00b76aaf61..0000000000 Binary files a/src/deps/picohttpparser.h.gch and /dev/null differ diff --git a/src/deps/tinycc b/src/deps/tinycc deleted file mode 160000 index ab631362d8..0000000000 --- a/src/deps/tinycc +++ /dev/null @@ -1 +0,0 @@ -Subproject commit ab631362d839333660a265d3084d8ff060b96753 diff --git a/src/deps/zig b/src/deps/zig deleted file mode 160000 index 131a009ba2..0000000000 --- a/src/deps/zig +++ /dev/null @@ -1 +0,0 @@ -Subproject commit 131a009ba2eb127a3447d05b9e12f710429aa5ee diff --git a/src/deps/zlib b/src/deps/zlib deleted file mode 160000 index 886098f3f3..0000000000 --- a/src/deps/zlib +++ /dev/null @@ -1 +0,0 @@ -Subproject commit 886098f3f339617b4243b286f5ed364b9989e245 diff --git a/src/deps/zstd b/src/deps/zstd deleted file mode 160000 index 794ea1b0af..0000000000 --- a/src/deps/zstd +++ /dev/null @@ -1 +0,0 @@ -Subproject commit 794ea1b0afca0f020f4e57b6732332231fb23c70