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 33 class JSAPIValueWrapper : public JSCell { 34 friend JSValue jsAPIValueWrapper(ExecState*, JSValue); 35 public: 36 typedef JSCell Base; 37 38 JSValue value() const { return m_value.get(); } 39 40 static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype) 41 { 42 return Structure::create(vm, globalObject, prototype, TypeInfo(APIValueWrapperType, OverridesVisitChildren | OverridesGetPropertyNames), info()); 43 } 44 45 DECLARE_EXPORT_INFO; 46 47 static JSAPIValueWrapper* create(ExecState* exec, JSValue value) 48 { 49 VM& vm = exec->vm(); 50 JSAPIValueWrapper* wrapper = new (NotNull, allocateCell<JSAPIValueWrapper>(vm.heap)) JSAPIValueWrapper(exec); 51 wrapper->finishCreation(vm, value); 52 return wrapper; 53 } 54 55 protected: 56 void finishCreation(VM& vm, JSValue value) 57 { 58 Base::finishCreation(vm); 59 m_value.set(vm, this, value); 60 ASSERT(!value.isCell()); 61 } 62 63 private: 64 JSAPIValueWrapper(ExecState* exec) 65 : JSCell(exec->vm(), exec->vm().apiWrapperStructure.get()) 66 { 67 } 68 69 WriteBarrier<Unknown> m_value; 70 }; 71 72 inline JSValue jsAPIValueWrapper(ExecState* exec, JSValue value) 73 { 74 return JSAPIValueWrapper::create(exec, value); 75 } 76 77} // namespace JSC 78 79#endif // JSAPIValueWrapper_h 80