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 JSNonFinalObject { 32 protected: 33 explicit JSWrapperObject(JSGlobalData&, Structure*); 34 35 public: 36 JSValue internalValue() const; 37 void setInternalValue(JSGlobalData&, JSValue); 38 createStructure(JSGlobalData & globalData,JSValue prototype)39 static Structure* createStructure(JSGlobalData& globalData, JSValue prototype) 40 { 41 return Structure::create(globalData, prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount, &s_info); 42 } 43 44 protected: 45 static const unsigned StructureFlags = OverridesMarkChildren | JSNonFinalObject::StructureFlags; 46 47 private: 48 virtual void markChildren(MarkStack&); 49 50 WriteBarrier<Unknown> m_internalValue; 51 }; 52 JSWrapperObject(JSGlobalData & globalData,Structure * structure)53 inline JSWrapperObject::JSWrapperObject(JSGlobalData& globalData, Structure* structure) 54 : JSNonFinalObject(globalData, structure) 55 { 56 } 57 internalValue()58 inline JSValue JSWrapperObject::internalValue() const 59 { 60 return m_internalValue.get(); 61 } 62 setInternalValue(JSGlobalData & globalData,JSValue value)63 inline void JSWrapperObject::setInternalValue(JSGlobalData& globalData, JSValue value) 64 { 65 ASSERT(value); 66 ASSERT(!value.isObject()); 67 m_internalValue.set(globalData, this, value); 68 } 69 70 } // namespace JSC 71 72 #endif // JSWrapperObject_h 73