1/*
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, 2007, 2008 Apple Inc. All rights reserved.
5 *
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.
10 *
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.
15 *
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.
20 *
21 */
22
23#ifndef JSAPIValueWrapper_h
24#define JSAPIValueWrapper_h
25
26#include "JSCJSValue.h"
27#include "JSCell.h"
28#include "CallFrame.h"
29#include "Structure.h"
30
31namespace JSC {
32
33class JSAPIValueWrapper : public JSCell {
34 friend JSValue jsAPIValueWrapper(ExecState*, JSValue);
35public:
36 typedef JSCell Base;
37 static const unsigned StructureFlags = Base::StructureFlags | StructureIsImmortal;
38
39 JSValue value() const { return m_value.get(); }
40
41 static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
42 {
43 return Structure::create(vm, globalObject, prototype, TypeInfo(APIValueWrapperType, OverridesGetPropertyNames), info());
44 }
45
46 DECLARE_EXPORT_INFO;
47
48 static JSAPIValueWrapper* create(ExecState* exec, JSValue value)
49 {
50 VM& vm = exec->vm();
51 JSAPIValueWrapper* wrapper = new (NotNull, allocateCell<JSAPIValueWrapper>(vm.heap)) JSAPIValueWrapper(exec);
52 wrapper->finishCreation(vm, value);
53 return wrapper;
54 }
55
56protected:
57 void finishCreation(VM& vm, JSValue value)
58 {
59 Base::finishCreation(vm);
60 m_value.set(vm, this, value);
61 ASSERT(!value.isCell());
62 }
63
64private:
65 JSAPIValueWrapper(ExecState* exec)
66 : JSCell(exec->vm(), exec->vm().apiWrapperStructure.get())
67 {
68 }
69
70 WriteBarrier<Unknown> m_value;
71};
72
73inline JSValue jsAPIValueWrapper(ExecState* exec, JSValue value)
74{
75 return JSAPIValueWrapper::create(exec, value);
76}
77
78} // namespace JSC
79
80#endif // JSAPIValueWrapper_h
81