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git.saurik.com Git - apple/javascriptcore.git/blob - runtime/GetterSetter.h
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
->vm(), exec
->vm().getterSetterStructure
.get())
49 static GetterSetter
* create(ExecState
* exec
)
51 GetterSetter
* getterSetter
= new (NotNull
, allocateCell
<GetterSetter
>(*exec
->heap())) GetterSetter(exec
);
52 getterSetter
->finishCreation(exec
->vm());
56 static void visitChildren(JSCell
*, SlotVisitor
&);
58 JSObject
* getter() const { return m_getter
.get(); }
59 void setGetter(VM
& vm
, JSObject
* getter
) { m_getter
.setMayBeNull(vm
, this, getter
); }
60 JSObject
* setter() const { return m_setter
.get(); }
61 void setSetter(VM
& vm
, JSObject
* setter
) { m_setter
.setMayBeNull(vm
, this, setter
); }
62 static Structure
* createStructure(VM
& vm
, JSGlobalObject
* globalObject
, JSValue prototype
)
64 return Structure::create(vm
, 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