1 /* 2 * Copyright (C) 1999-2001 Harri Porten (porten (at) kde.org) 3 * Copyright (C) 2001 Peter Kelly (pmk (at) post.com) 4 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 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 GetterSetter_h 24 #define GetterSetter_h 25 26 #include "JSCell.h" 27 28 #include "CallFrame.h" 29 30 namespace JSC { 31 32 class JSObject; 33 34 // This is an internal value object which stores getter and setter functions 35 // for a property. 36 class GetterSetter : public JSCell { 37 public: 38 GetterSetter(ExecState* exec) 39 : JSCell(exec->globalData().getterSetterStructure.get()) 40 , m_getter(0) 41 , m_setter(0) 42 { 43 } 44 45 virtual void markChildren(MarkStack&); 46 47 JSObject* getter() const { return m_getter; } 48 void setGetter(JSObject* getter) { m_getter = getter; } 49 JSObject* setter() const { return m_setter; } 50 void setSetter(JSObject* setter) { m_setter = setter; } 51 static PassRefPtr<Structure> createStructure(JSValue prototype) 52 { 53 return Structure::create(prototype, TypeInfo(GetterSetterType, OverridesMarkChildren), AnonymousSlotCount); 54 } 55 private: 56 virtual bool isGetterSetter() const; 57 58 JSObject* m_getter; 59 JSObject* m_setter; 60 }; 61 62 GetterSetter* asGetterSetter(JSValue); 63 64 inline GetterSetter* asGetterSetter(JSValue value) 65 { 66 ASSERT(asCell(value)->isGetterSetter()); 67 return static_cast<GetterSetter*>(asCell(value)); 68 } 69 70 71 } // namespace JSC 72 73 #endif // GetterSetter_h 74
