mirror of
https://github.com/oven-sh/bun
synced 2026-02-13 12:29:07 +00:00
653 lines
22 KiB
Zig
653 lines
22 KiB
Zig
const std = @import("std");
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pub const Environment = @import("env.zig");
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pub const use_mimalloc = !Environment.isTest;
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pub const default_allocator: std.mem.Allocator = if (!use_mimalloc)
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std.heap.c_allocator
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else
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@import("./memory_allocator.zig").c_allocator;
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pub const C = @import("c.zig");
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pub const FeatureFlags = @import("feature_flags.zig");
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const root = @import("root");
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pub const meta = @import("./meta.zig");
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pub const Output = struct {
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// These are threadlocal so we don't have stdout/stderr writing on top of each other
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threadlocal var source: Source = undefined;
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threadlocal var source_set: bool = false;
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// These are not threadlocal so we avoid opening stdout/stderr for every thread
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var stderr_stream: Source.StreamType = undefined;
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var stdout_stream: Source.StreamType = undefined;
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var stdout_stream_set = false;
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pub var terminal_size: std.os.winsize = .{
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.ws_row = 0,
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.ws_col = 0,
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.ws_xpixel = 0,
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.ws_ypixel = 0,
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};
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pub const Source = struct {
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pub const StreamType: type = brk: {
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if (Environment.isWasm) {
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break :brk std.io.FixedBufferStream([]u8);
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} else {
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break :brk std.fs.File;
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// var stdout = std.io.getStdOut();
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// return @TypeOf(std.io.bufferedWriter(stdout.writer()));
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}
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};
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pub const BufferedStream: type = std.io.BufferedWriter(4096, @typeInfo(std.meta.declarationInfo(StreamType, "writer").data.Fn.fn_type).Fn.return_type.?);
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buffered_stream: BufferedStream,
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buffered_error_stream: BufferedStream,
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stream: StreamType,
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error_stream: StreamType,
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out_buffer: []u8 = &([_]u8{}),
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err_buffer: []u8 = &([_]u8{}),
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pub fn init(
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stream: StreamType,
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err: StreamType,
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) Source {
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if (comptime Environment.isDebug) {
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if (comptime use_mimalloc) {
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if (!source_set) {
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const Mimalloc = @import("./allocators/mimalloc.zig");
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Mimalloc.mi_option_set(.show_errors, 1);
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}
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}
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}
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source_set = true;
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return Source{
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.stream = stream,
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.error_stream = err,
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.buffered_stream = BufferedStream{ .unbuffered_writer = stream.writer() },
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.buffered_error_stream = BufferedStream{ .unbuffered_writer = err.writer() },
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};
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}
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pub fn configureThread() void {
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if (source_set) return;
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std.debug.assert(stdout_stream_set);
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source = Source.init(stdout_stream, stderr_stream);
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}
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pub fn configureNamedThread(_: std.Thread, name: StringTypes.stringZ) void {
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Global.setThreadName(name);
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configureThread();
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}
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fn isForceColor() ?bool {
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if (std.os.getenvZ("NO_COLOR") != null) return false;
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const force_color_str = std.os.getenvZ("FORCE_COLOR") orelse return null;
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return force_color_str.len == 0 or
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strings.eqlComptime(force_color_str, "TRUE") or
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strings.eqlComptime(force_color_str, "ON") or
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strings.eqlComptime(force_color_str, "YES") or
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strings.eqlComptime(force_color_str, "1") or
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strings.eqlComptime(force_color_str, " ");
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}
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fn isColorTerminal() bool {
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if (isForceColor()) |val| return val;
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if (std.os.getenvZ("COLOR_TERM")) |color_term| return !strings.eqlComptime(color_term, "0");
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if (std.os.getenvZ("TERM")) |term| {
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if (strings.eqlComptime(term, "dumb")) return false;
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return true;
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}
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return false;
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}
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pub fn set(_source: *Source) void {
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source = _source.*;
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source_set = true;
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if (!stdout_stream_set) {
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stdout_stream_set = true;
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var is_color_terminal: ?bool = null;
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if (_source.stream.isTty()) {
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stdout_descriptor_type = OutputStreamDescriptor.terminal;
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is_color_terminal = is_color_terminal orelse isColorTerminal();
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enable_ansi_colors_stdout = is_color_terminal.?;
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} else if (isForceColor()) |val| {
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enable_ansi_colors_stdout = val;
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} else {
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enable_ansi_colors_stdout = false;
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}
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if (_source.error_stream.isTty()) {
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stderr_descriptor_type = OutputStreamDescriptor.terminal;
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is_color_terminal = is_color_terminal orelse isColorTerminal();
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enable_ansi_colors_stderr = is_color_terminal.?;
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} else if (isForceColor()) |val| {
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enable_ansi_colors_stderr = val;
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} else {
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enable_ansi_colors_stderr = false;
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}
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enable_ansi_colors = enable_ansi_colors_stderr or enable_ansi_colors_stdout;
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stdout_stream = _source.stream;
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stderr_stream = _source.error_stream;
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}
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}
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};
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pub const OutputStreamDescriptor = enum {
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unknown,
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// file,
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// pipe,
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terminal,
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};
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pub var enable_ansi_colors = Environment.isNative;
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pub var enable_ansi_colors_stderr = Environment.isNative;
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pub var enable_ansi_colors_stdout = Environment.isNative;
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pub var enable_buffering = true;
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pub var stderr_descriptor_type = OutputStreamDescriptor.unknown;
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pub var stdout_descriptor_type = OutputStreamDescriptor.unknown;
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pub inline fn isEmojiEnabled() bool {
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return enable_ansi_colors and !Environment.isWindows;
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}
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var _source_for_test: if (Environment.isTest) Output.Source else void = undefined;
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var _source_for_test_set = false;
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pub fn initTest() void {
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if (_source_for_test_set) return;
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_source_for_test_set = true;
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var in = std.io.getStdErr();
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var out = std.io.getStdOut();
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_source_for_test = Output.Source.init(out, in);
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Output.Source.set(&_source_for_test);
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}
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pub fn enableBuffering() void {
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enable_buffering = true;
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}
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pub fn disableBuffering() void {
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Output.flush();
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enable_buffering = false;
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}
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pub fn panic(comptime fmt: string, args: anytype) noreturn {
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if (Output.isEmojiEnabled()) {
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std.debug.panic(comptime Output.prettyFmt(fmt, true), args);
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} else {
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std.debug.panic(comptime Output.prettyFmt(fmt, false), args);
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}
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}
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pub const WriterType: type = @typeInfo(std.meta.declarationInfo(Source.StreamType, "writer").data.Fn.fn_type).Fn.return_type.?;
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pub fn errorWriter() WriterType {
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std.debug.assert(source_set);
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return source.error_stream.writer();
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}
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pub fn errorStream() Source.StreamType {
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std.debug.assert(source_set);
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return source.error_stream;
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}
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pub fn writer() WriterType {
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std.debug.assert(source_set);
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return source.stream.writer();
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}
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pub fn resetTerminal() void {
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if (!enable_ansi_colors) {
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return;
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}
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if (enable_ansi_colors_stderr) {
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_ = source.error_stream.write("\x1b[H\x1b[2J") catch 0;
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} else {
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_ = source.stream.write("\x1b[H\x1b[2J") catch 0;
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}
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}
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pub fn flush() void {
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if (Environment.isNative and source_set) {
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source.buffered_stream.flush() catch {};
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source.buffered_error_stream.flush() catch {};
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// source.stream.flush() catch {};
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// source.error_stream.flush() catch {};
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}
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}
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inline fn printElapsedToWithCtx(elapsed: f64, comptime printerFn: anytype, comptime has_ctx: bool, ctx: anytype) void {
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switch (elapsed) {
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0...1500 => {
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const fmt = "<r><d>[<b>{d:>.2}ms<r><d>]<r>";
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const args = .{elapsed};
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if (comptime has_ctx) {
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printerFn(ctx, fmt, args);
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} else {
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printerFn(fmt, args);
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}
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},
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else => {
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const fmt = "<r><d>[<b>{d:>.2}s<r><d>]<r>";
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const args = .{elapsed / 1000.0};
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if (comptime has_ctx) {
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printerFn(ctx, fmt, args);
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} else {
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printerFn(fmt, args);
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}
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},
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}
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}
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pub fn printElapsedTo(elapsed: f64, comptime printerFn: anytype, ctx: anytype) void {
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printElapsedToWithCtx(elapsed, printerFn, true, ctx);
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}
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pub fn printElapsed(elapsed: f64) void {
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printElapsedToWithCtx(elapsed, Output.prettyError, false, void{});
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}
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pub fn printElapsedStdout(elapsed: f64) void {
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printElapsedToWithCtx(elapsed, Output.pretty, false, void{});
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}
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pub fn printStartEnd(start: i128, end: i128) void {
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const elapsed = @divTrunc(end - start, @as(i128, std.time.ns_per_ms));
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printElapsed(@intToFloat(f64, elapsed));
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}
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pub fn printStartEndStdout(start: i128, end: i128) void {
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const elapsed = @divTrunc(end - start, @as(i128, std.time.ns_per_ms));
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printElapsedStdout(@intToFloat(f64, elapsed));
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}
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pub fn printTimer(timer: *std.time.Timer) void {
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const elapsed = @divTrunc(timer.read(), @as(u64, std.time.ns_per_ms));
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printElapsed(@intToFloat(f64, elapsed));
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}
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pub fn printErrorable(comptime fmt: string, args: anytype) !void {
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if (comptime Environment.isWasm) {
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try source.stream.seekTo(0);
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try source.stream.writer().print(fmt, args);
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root.console_log(root.Uint8Array.fromSlice(source.out_buffer[0..source.stream.pos]));
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} else {
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std.fmt.format(source.stream.writer(), fmt, args) catch unreachable;
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}
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}
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pub fn println(comptime fmt: string, args: anytype) void {
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if (fmt[fmt.len - 1] != '\n') {
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return print(fmt ++ "\n", args);
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}
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return print(fmt, args);
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}
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pub const debug = if (Environment.isDebug) _debug else _noop;
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fn _noop(comptime _: string, _: anytype) void {}
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pub fn _debug(comptime fmt: string, args: anytype) void {
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std.debug.assert(source_set);
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if (fmt[fmt.len - 1] != '\n') {
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return print(fmt ++ "\n", args);
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}
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return print(fmt, args);
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}
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pub fn print(comptime fmt: string, args: anytype) void {
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std.debug.assert(source_set);
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if (comptime Environment.isWasm) {
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source.stream.seekTo(0) catch return;
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source.stream.writer().print(fmt, args) catch return;
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root.console_log(root.Uint8Array.fromSlice(source.out_buffer[0..source.stream.pos]));
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} else {
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if (enable_buffering) {
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std.fmt.format(source.buffered_stream.writer(), fmt, args) catch unreachable;
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} else {
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std.fmt.format(writer(), fmt, args) catch unreachable;
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}
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}
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}
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// Valid colors:
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// <black>
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// <blue>
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// <cyan>
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// <green>
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// <magenta>
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// <red>
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// <white>
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// <yellow>
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// <b> - bold
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// <d> - dim
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// </r> - reset
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// <r> - reset
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pub const ED = "\x1b[";
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pub const color_map = std.ComptimeStringMap(string, .{
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&.{ "black", ED ++ "30m" },
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&.{ "blue", ED ++ "34m" },
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&.{ "b", ED ++ "1m" },
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&.{ "d", ED ++ "2m" },
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&.{ "cyan", ED ++ "36m" },
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&.{ "green", ED ++ "32m" },
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&.{ "magenta", ED ++ "35m" },
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&.{ "red", ED ++ "31m" },
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&.{ "white", ED ++ "37m" },
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&.{ "yellow", ED ++ "33m" },
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});
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pub const RESET = "\x1b[0m";
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pub fn prettyFmt(comptime fmt: string, comptime is_enabled: bool) string {
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comptime var new_fmt: [fmt.len * 4]u8 = undefined;
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comptime var new_fmt_i: usize = 0;
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@setEvalBranchQuota(9999);
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comptime var i: usize = 0;
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comptime while (i < fmt.len) {
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const c = fmt[i];
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switch (c) {
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'\\' => {
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i += 1;
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if (fmt.len < i) {
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switch (fmt[i]) {
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'<', '>' => {
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i += 1;
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},
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else => {
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new_fmt[new_fmt_i] = '\\';
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new_fmt_i += 1;
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new_fmt[new_fmt_i] = fmt[i];
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new_fmt_i += 1;
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},
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}
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}
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},
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'>' => {
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i += 1;
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},
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'{' => {
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while (fmt.len > i and fmt[i] != '}') {
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new_fmt[new_fmt_i] = fmt[i];
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new_fmt_i += 1;
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i += 1;
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}
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},
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'<' => {
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i += 1;
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var is_reset = fmt[i] == '/';
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if (is_reset) i += 1;
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var start: usize = i;
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while (i < fmt.len and fmt[i] != '>') {
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i += 1;
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}
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const color_name = fmt[start..i];
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const color_str = color_picker: {
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if (color_map.get(color_name)) |color_name_literal| {
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break :color_picker color_name_literal;
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} else if (std.mem.eql(u8, color_name, "r")) {
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is_reset = true;
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break :color_picker "";
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} else {
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@compileError("Invalid color name passed: " ++ color_name);
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}
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};
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var orig = new_fmt_i;
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if (is_enabled) {
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if (!is_reset) {
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orig = new_fmt_i;
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new_fmt_i += color_str.len;
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std.mem.copy(u8, new_fmt[orig..new_fmt_i], color_str);
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}
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if (is_reset) {
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const reset_sequence = RESET;
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orig = new_fmt_i;
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new_fmt_i += reset_sequence.len;
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std.mem.copy(u8, new_fmt[orig..new_fmt_i], reset_sequence);
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}
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}
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},
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else => {
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new_fmt[new_fmt_i] = fmt[i];
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new_fmt_i += 1;
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i += 1;
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},
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}
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};
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return comptime new_fmt[0..new_fmt_i];
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}
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pub fn prettyWithPrinter(comptime fmt: string, args: anytype, comptime printer: anytype, comptime l: Level) void {
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if (comptime l == .Warn) {
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if (level == .Error) return;
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}
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if (if (comptime l == Level.stdout) enable_ansi_colors_stdout else enable_ansi_colors_stderr) {
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printer(comptime prettyFmt(fmt, true), args);
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} else {
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printer(comptime prettyFmt(fmt, false), args);
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}
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}
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pub fn prettyWithPrinterFn(comptime fmt: string, args: anytype, comptime printFn: anytype, ctx: anytype) void {
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if (enable_ansi_colors) {
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printFn(ctx, comptime prettyFmt(fmt, true), args);
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} else {
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printFn(ctx, comptime prettyFmt(fmt, false), args);
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}
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}
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pub fn pretty(comptime fmt: string, args: anytype) void {
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prettyWithPrinter(fmt, args, print, .stdout);
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}
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pub fn prettyln(comptime fmt: string, args: anytype) void {
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if (enable_ansi_colors) {
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println(comptime prettyFmt(fmt, true), args);
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} else {
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println(comptime prettyFmt(fmt, false), args);
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}
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}
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pub fn printErrorln(comptime fmt: string, args: anytype) void {
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if (fmt[fmt.len - 1] != '\n') {
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return printError(fmt ++ "\n", args);
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}
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return printError(fmt, args);
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}
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pub fn prettyError(comptime fmt: string, args: anytype) void {
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prettyWithPrinter(fmt, args, printError, .Error);
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}
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pub fn prettyErrorln(comptime fmt: string, args: anytype) void {
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if (fmt[fmt.len - 1] != '\n') {
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return prettyWithPrinter(
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fmt ++ "\n",
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args,
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printError,
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.Error,
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);
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}
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return prettyWithPrinter(
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fmt,
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args,
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printError,
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.Error,
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);
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}
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pub const Level = enum(u8) {
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Warn,
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Error,
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stdout,
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};
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pub var level = if (Environment.isDebug) Level.Warn else Level.Error;
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pub fn prettyWarn(comptime fmt: string, args: anytype) void {
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prettyWithPrinter(fmt, args, printError, .Warn);
|
|
}
|
|
|
|
pub fn prettyWarnln(comptime fmt: string, args: anytype) void {
|
|
if (fmt[fmt.len - 1] != '\n') {
|
|
return prettyWithPrinter(fmt ++ "\n", args, printError, .Warn);
|
|
}
|
|
|
|
return prettyWithPrinter(fmt, args, printError, .Warn);
|
|
}
|
|
|
|
pub fn errorLn(comptime fmt: string, args: anytype) void {
|
|
return printErrorln(fmt, args);
|
|
}
|
|
|
|
pub fn printError(comptime fmt: string, args: anytype) void {
|
|
if (comptime Environment.isWasm) {
|
|
source.error_stream.seekTo(0) catch return;
|
|
source.error_stream.writer().print(fmt, args) catch unreachable;
|
|
root.console_error(root.Uint8Array.fromSlice(source.err_buffer[0..source.error_stream.pos]));
|
|
} else {
|
|
if (enable_buffering)
|
|
std.fmt.format(source.buffered_error_stream.writer(), fmt, args) catch {}
|
|
else
|
|
std.fmt.format(source.error_stream.writer(), fmt, args) catch {};
|
|
}
|
|
}
|
|
};
|
|
|
|
pub const Global = struct {
|
|
pub const build_id = std.fmt.parseInt(u64, std.mem.trim(u8, @embedFile("../build-id"), "\n \r\t"), 10) catch unreachable;
|
|
pub const package_json_version = if (Environment.isDebug)
|
|
std.fmt.comptimePrint("0.0.{d}_debug", .{build_id})
|
|
else
|
|
std.fmt.comptimePrint("0.0.{d}", .{build_id});
|
|
|
|
pub inline fn getStartTime() i128 {
|
|
if (Environment.isTest) return 0;
|
|
return @import("root").start_time;
|
|
}
|
|
|
|
pub fn setThreadName(name: StringTypes.stringZ) void {
|
|
if (Environment.isLinux) {
|
|
_ = std.os.prctl(.SET_NAME, .{@ptrToInt(name.ptr)}) catch 0;
|
|
} else if (Environment.isMac) {
|
|
_ = std.c.pthread_setname_np(name);
|
|
}
|
|
}
|
|
|
|
pub const AllocatorConfiguration = struct {
|
|
verbose: bool = false,
|
|
long_running: bool = false,
|
|
};
|
|
|
|
pub inline fn mimalloc_cleanup(force: bool) void {
|
|
if (comptime use_mimalloc) {
|
|
const Mimalloc = @import("./allocators/mimalloc.zig");
|
|
Mimalloc.mi_collect(force);
|
|
}
|
|
}
|
|
pub const versions = @import("./generated_versions_list.zig");
|
|
|
|
// Enabling huge pages slows down bun by 8x or so
|
|
// Keeping this code for:
|
|
// 1. documentation that an attempt was made
|
|
// 2. if I want to configure allocator later
|
|
pub inline fn configureAllocator(_: AllocatorConfiguration) void {
|
|
// if (comptime !use_mimalloc) return;
|
|
// const Mimalloc = @import("./allocators/mimalloc.zig");
|
|
// Mimalloc.mi_option_set_enabled(Mimalloc.mi_option_verbose, config.verbose);
|
|
// Mimalloc.mi_option_set_enabled(Mimalloc.mi_option_large_os_pages, config.long_running);
|
|
// if (!config.long_running) Mimalloc.mi_option_set(Mimalloc.mi_option_reset_delay, 0);
|
|
}
|
|
|
|
pub fn panic(comptime fmt: string, args: anytype) noreturn {
|
|
@setCold(true);
|
|
if (comptime Environment.isWasm) {
|
|
Output.printErrorln(fmt, args);
|
|
Output.flush();
|
|
@panic(fmt);
|
|
} else {
|
|
Output.prettyErrorln(fmt, args);
|
|
Output.flush();
|
|
std.debug.panic(fmt, args);
|
|
}
|
|
}
|
|
|
|
// std.debug.assert but happens at runtime
|
|
pub fn invariant(condition: bool, comptime fmt: string, args: anytype) void {
|
|
if (!condition) {
|
|
_invariant(fmt, args);
|
|
}
|
|
}
|
|
|
|
inline fn _invariant(comptime fmt: string, args: anytype) noreturn {
|
|
@setCold(true);
|
|
|
|
if (comptime Environment.isWasm) {
|
|
Output.printErrorln(fmt, args);
|
|
Output.flush();
|
|
@panic(fmt);
|
|
} else {
|
|
Output.prettyErrorln(fmt, args);
|
|
Output.flush();
|
|
std.os.exit(1);
|
|
}
|
|
}
|
|
|
|
pub fn notimpl() noreturn {
|
|
@setCold(true);
|
|
Global.panic("Not implemented yet!!!!!", .{});
|
|
}
|
|
|
|
// Make sure we always print any leftover
|
|
pub fn crash() noreturn {
|
|
@setCold(true);
|
|
Output.flush();
|
|
std.os.exit(1);
|
|
}
|
|
};
|
|
|
|
pub const FileDescriptorType = if (Environment.isBrowser) u0 else std.os.fd_t;
|
|
|
|
// When we are on a computer with an absurdly high number of max open file handles
|
|
// such is often the case with macOS
|
|
// As a useful optimization, we can store file descriptors and just keep them open...forever
|
|
pub const StoredFileDescriptorType = if (Environment.isWindows or Environment.isBrowser) u0 else std.os.fd_t;
|
|
|
|
pub const StringTypes = @import("string_types.zig");
|
|
pub const stringZ = StringTypes.stringZ;
|
|
pub const string = StringTypes.string;
|
|
pub const CodePoint = StringTypes.CodePoint;
|
|
pub const PathString = StringTypes.PathString;
|
|
pub const HashedString = StringTypes.HashedString;
|
|
pub const strings = @import("string_immutable.zig");
|
|
pub const MutableString = @import("string_mutable.zig").MutableString;
|
|
|
|
pub inline fn constStrToU8(s: []const u8) []u8 {
|
|
return @intToPtr([*]u8, @ptrToInt(s.ptr))[0..s.len];
|
|
}
|