1 /* 2 * Copyright (C) 2006 Maks Orlovich 3 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 * 20 */ 21 22 #ifndef JSWrapperObject_h 23 #define JSWrapperObject_h 24 25 #include "JSObject.h" 26 27 namespace JSC { 28 29 // This class is used as a base for classes such as String, 30 // Number, Boolean and Date which are wrappers for primitive types. 31 class JSWrapperObject : public JSObject { 32 protected: 33 explicit JSWrapperObject(NonNullPassRefPtr<Structure>); 34 35 public: internalValue()36 JSValue internalValue() const { return m_internalValue; } 37 void setInternalValue(JSValue); 38 createStructure(JSValue prototype)39 static PassRefPtr<Structure> createStructure(JSValue prototype) 40 { 41 return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount); 42 } 43 44 protected: 45 static const unsigned AnonymousSlotCount = 1 + JSObject::AnonymousSlotCount; 46 47 private: 48 virtual void markChildren(MarkStack&); 49 50 JSValue m_internalValue; 51 }; 52 JSWrapperObject(NonNullPassRefPtr<Structure> structure)53 inline JSWrapperObject::JSWrapperObject(NonNullPassRefPtr<Structure> structure) 54 : JSObject(structure) 55 { 56 putAnonymousValue(0, jsNull()); 57 } 58 setInternalValue(JSValue value)59 inline void JSWrapperObject::setInternalValue(JSValue value) 60 { 61 ASSERT(value); 62 ASSERT(!value.isObject()); 63 m_internalValue = value; 64 putAnonymousValue(0, value); 65 } 66 67 } // namespace JSC 68 69 #endif // JSWrapperObject_h 70