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/*
* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef GetterSetter_h
#define GetterSetter_h
#include "JSCell.h"
#include "CallFrame.h"
#include "Structure.h"
namespace JSC {
class JSObject;
// This is an internal value object which stores getter and setter functions
// for a property.
class GetterSetter : public JSCell {
friend class JIT;
private:
GetterSetter(VM& vm)
: JSCell(vm, vm.getterSetterStructure.get())
{
}
public:
typedef JSCell Base;
static GetterSetter* create(VM& vm)
{
GetterSetter* getterSetter = new (NotNull, allocateCell<GetterSetter>(vm.heap)) GetterSetter(vm);
getterSetter->finishCreation(vm);
return getterSetter;
}
static void visitChildren(JSCell*, SlotVisitor&);
JSObject* getter() const { return m_getter.get(); }
void setGetter(VM& vm, JSObject* getter) { m_getter.setMayBeNull(vm, this, getter); }
JSObject* setter() const { return m_setter.get(); }
void setSetter(VM& vm, JSObject* setter) { m_setter.setMayBeNull(vm, this, setter); }
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(GetterSetterType, OverridesVisitChildren), info());
}
DECLARE_INFO;
private:
WriteBarrier<JSObject> m_getter;
WriteBarrier<JSObject> m_setter;
};
GetterSetter* asGetterSetter(JSValue);
inline GetterSetter* asGetterSetter(JSValue value)
{
ASSERT(value.asCell()->isGetterSetter());
return static_cast<GetterSetter*>(value.asCell());
}
JSValue callGetter(ExecState*, JSValue base, JSValue getterSetter);
void callSetter(ExecState*, JSValue base, JSValue getterSetter, JSValue value, ECMAMode);
} // namespace JSC
#endif // GetterSetter_h
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