darling-JavaScriptCore/runtime/JSNativeStdFunction.h

74 lines
2.8 KiB
C++

/*
* Copyright (C) 2015-2018 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.
*/
#pragma once
#include "JSFunction.h"
namespace JSC {
class JSGlobalObject;
using NativeStdFunction = WTF::Function<EncodedJSValue(JSGlobalObject*, CallFrame*)>;
class JSNativeStdFunction final : public JSFunction {
public:
using Base = JSFunction;
static constexpr unsigned StructureFlags = Base::StructureFlags;
static constexpr bool needsDestruction = true;
static void destroy(JSCell* cell)
{
static_cast<JSNativeStdFunction*>(cell)->JSNativeStdFunction::~JSNativeStdFunction();
}
template<typename CellType, SubspaceAccess mode>
static IsoSubspace* subspaceFor(VM& vm)
{
return vm.nativeStdFunctionSpace<mode>();
}
DECLARE_EXPORT_INFO;
JS_EXPORT_PRIVATE static JSNativeStdFunction* create(VM&, JSGlobalObject*, unsigned length, const String& name, NativeStdFunction&&, Intrinsic = NoIntrinsic, NativeFunction nativeConstructor = callHostFunctionAsConstructor);
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
ASSERT(globalObject);
return Structure::create(vm, globalObject, prototype, TypeInfo(JSFunctionType, StructureFlags), info());
}
const NativeStdFunction& function() { return m_function; }
private:
JSNativeStdFunction(VM&, NativeExecutable*, JSGlobalObject*, Structure*, NativeStdFunction&&);
void finishCreation(VM&, NativeExecutable*, unsigned length, const String& name);
static void visitChildren(JSCell*, SlotVisitor&);
NativeStdFunction m_function;
};
} // namespace JSC