darling-JavaScriptCore/runtime/JSCustomGetterSetterFunction.h

74 lines
2.9 KiB
C++

/*
* Copyright (C) 2015-2019 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. AND ITS CONTRIBUTORS ``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 ITS 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 CustomGetterSetter;
class JSCustomGetterSetterFunction final : public JSFunction {
public:
typedef JSFunction Base;
// The Type is set to the number of arguments the resultant function will have.
enum class Type { Getter = 0, Setter = 1 };
static constexpr unsigned StructureFlags = Base::StructureFlags;
template<typename CellType, SubspaceAccess mode>
static IsoSubspace* subspaceFor(VM& vm)
{
return vm.customGetterSetterFunctionSpace<mode>();
}
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
ASSERT(globalObject);
return Structure::create(vm, globalObject, prototype, TypeInfo(JSFunctionType, StructureFlags), info());
}
static JSCustomGetterSetterFunction* create(VM&, JSGlobalObject*, CustomGetterSetter*, const Type, const PropertyName&);
DECLARE_EXPORT_INFO;
CustomGetterSetter* customGetterSetter() const { return m_getterSetter.get(); }
bool isSetter() const { return m_type == Type::Setter; }
const PropertyName& propertyName() const { return m_propertyName; }
private:
JSCustomGetterSetterFunction(VM&, NativeExecutable*, JSGlobalObject*, Structure*, Type, const PropertyName&);
void finishCreation(VM&, NativeExecutable*, CustomGetterSetter*, const String&);
static void visitChildren(JSCell*, SlotVisitor&);
WriteBarrier<CustomGetterSetter> m_getterSetter;
Type m_type;
PropertyName m_propertyName;
};
} // namespace JSC