2 * Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
3 * Copyright (C) 2001 Peter Kelly (pmk@post.com)
4 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
23 #ifndef GetterSetter_h
24 #define GetterSetter_h
28 #include "CallFrame.h"
29 #include "Structure.h"
35 // This is an internal value object which stores getter and setter functions
37 class GetterSetter : public JSCell {
41 GetterSetter(ExecState* exec)
42 : JSCell(exec->globalData(), exec->globalData().getterSetterStructure.get())
49 static GetterSetter* create(ExecState* exec)
51 GetterSetter* getterSetter = new (allocateCell<GetterSetter>(*exec->heap())) GetterSetter(exec);
52 getterSetter->finishCreation(exec->globalData());
56 virtual void visitChildren(SlotVisitor&);
58 JSObject* getter() const { return m_getter.get(); }
59 void setGetter(JSGlobalData& globalData, JSObject* getter) { m_getter.set(globalData, this, getter); }
60 JSObject* setter() const { return m_setter.get(); }
61 void setSetter(JSGlobalData& globalData, JSObject* setter) { m_setter.set(globalData, this, setter); }
62 static Structure* createStructure(JSGlobalData& globalData, JSGlobalObject* globalObject, JSValue prototype)
64 return Structure::create(globalData, globalObject, prototype, TypeInfo(GetterSetterType, OverridesVisitChildren), &s_info);
67 static const ClassInfo s_info;
70 WriteBarrier<JSObject> m_getter;
71 WriteBarrier<JSObject> m_setter;
74 GetterSetter* asGetterSetter(JSValue);
76 inline GetterSetter* asGetterSetter(JSValue value)
78 ASSERT(value.asCell()->isGetterSetter());
79 return static_cast<GetterSetter*>(value.asCell());
85 #endif // GetterSetter_h