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, 2006, 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 GetterSetter_h 24 #define GetterSetter_h 25 26 #include "JSCell.h" 27 28 namespace JSC { 29 30 class JSObject; 31 32 // This is an internal value object which stores getter and setter functions 33 // for a property. 34 class GetterSetter : public JSCell { 35 public: GetterSetter()36 GetterSetter() 37 : JSCell(0) 38 , m_getter(0) 39 , m_setter(0) 40 { 41 } 42 43 virtual void mark(); 44 getter()45 JSObject* getter() const { return m_getter; } setGetter(JSObject * getter)46 void setGetter(JSObject* getter) { m_getter = getter; } setter()47 JSObject* setter() const { return m_setter; } setSetter(JSObject * setter)48 void setSetter(JSObject* setter) { m_setter = setter; } 49 50 private: 51 virtual bool isGetterSetter() const; 52 53 virtual JSValuePtr toPrimitive(ExecState*, PreferredPrimitiveType) const; 54 virtual bool getPrimitiveNumber(ExecState*, double& number, JSValuePtr& value); 55 virtual bool toBoolean(ExecState*) const; 56 virtual double toNumber(ExecState*) const; 57 virtual UString toString(ExecState*) const; 58 virtual JSObject* toObject(ExecState*) const; 59 60 JSObject* m_getter; 61 JSObject* m_setter; 62 }; 63 64 GetterSetter* asGetterSetter(JSValuePtr); 65 asGetterSetter(JSValuePtr value)66 inline GetterSetter* asGetterSetter(JSValuePtr value) 67 { 68 ASSERT(asCell(value)->isGetterSetter()); 69 return static_cast<GetterSetter*>(asCell(value)); 70 } 71 72 73 } // namespace JSC 74 75 #endif // GetterSetter_h 76