mirrors/bun.sh
1
0
Fork 0
mirror of https://github.com/oven-sh/bun synced 2026-02-18 23:01:58 +00:00
Code Issues Packages Projects Releases Wiki Activity

[bun:ffi] ~20% faster FFI bindings for functions with arguments

Browse Source
This commit is contained in:
Jarred Sumner
2022-05-02 03:23:42 -07:00
parent 98393ca849
commit 5cee316d8c
10 changed files with 220 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

79
src/javascript/jsc/bindings/JSFFIFunction.cpp Normal file
View File

@@ -0,0 +1,79 @@
/*
* Copyright (C) 2015-2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "root.h"
#include "JSFFIFunction.h"
#include "JavaScriptCore/JSCJSValueInlines.h"
#include "JavaScriptCore/VM.h"
#include "ZigGlobalObject.h"
extern "C" Zig::JSFFIFunction* Bun__CreateFFIFunction(Zig::GlobalObject* globalObject, const ZigString* symbolName, unsigned argCount, Zig::FFIFunction functionPointer)
{
JSC::VM& vm = globalObject->vm();
Zig::JSFFIFunction* function = Zig::JSFFIFunction::create(vm, globalObject, argCount, Zig::toStringCopy(*symbolName), functionPointer, JSC::NoIntrinsic);
JSC::gcProtect(function);
return function;
}
namespace Zig {
using namespace JSC;
const ClassInfo JSFFIFunction::s_info = { "Function"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSFFIFunction) };
JSFFIFunction::JSFFIFunction(VM& vm, NativeExecutable* executable, JSGlobalObject* globalObject, Structure* structure, FFIFunction&& function)
: Base(vm, executable, globalObject, structure)
, m_function(WTFMove(function))
{
}
template<typename Visitor>
void JSFFIFunction::visitChildrenImpl(JSCell* cell, Visitor& visitor)
{
JSFFIFunction* thisObject = jsCast<JSFFIFunction*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
Base::visitChildren(thisObject, visitor);
}
DEFINE_VISIT_CHILDREN(JSFFIFunction);
void JSFFIFunction::finishCreation(VM& vm, NativeExecutable* executable, unsigned length, const String& name)
{
Base::finishCreation(vm, executable, length, name);
ASSERT(inherits(vm, info()));
}
JSFFIFunction* JSFFIFunction::create(VM& vm, Zig::GlobalObject* globalObject, unsigned length, const String& name, FFIFunction FFIFunction, Intrinsic intrinsic, NativeFunction nativeConstructor)
{
NativeExecutable* executable = vm.getHostFunction(FFIFunction, intrinsic, nativeConstructor, nullptr, name);
Structure* structure = globalObject->FFIFunctionStructure();
JSFFIFunction* function = new (NotNull, allocateCell<JSFFIFunction>(vm)) JSFFIFunction(vm, executable, globalObject, structure, WTFMove(FFIFunction));
function->finishCreation(vm, executable, length, name);
return function;
}
} // namespace JSC