| /* |
| * Copyright (C) 1999-2001 Harri Porten (porten@kde.org) |
| * Copyright (C) 2001 Peter Kelly (pmk@post.com) |
| * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #ifndef GetterSetter_h |
| #define GetterSetter_h |
| |
| #include "JSCell.h" |
| |
| #include "CallFrame.h" |
| #include "Structure.h" |
| |
| namespace JSC { |
| |
| class JSObject; |
| |
| // This is an internal value object which stores getter and setter functions |
| // for a property. |
| class GetterSetter : public JSCell { |
| friend class JIT; |
| |
| private: |
| GetterSetter(ExecState* exec) |
| : JSCell(exec->globalData(), exec->globalData().getterSetterStructure.get()) |
| { |
| } |
| |
| public: |
| typedef JSCell Base; |
| |
| static GetterSetter* create(ExecState* exec) |
| { |
| GetterSetter* getterSetter = new (NotNull, allocateCell<GetterSetter>(*exec->heap())) GetterSetter(exec); |
| getterSetter->finishCreation(exec->globalData()); |
| return getterSetter; |
| } |
| |
| static void visitChildren(JSCell*, SlotVisitor&); |
| |
| JSObject* getter() const { return m_getter.get(); } |
| void setGetter(JSGlobalData& globalData, JSObject* getter) { m_getter.setMayBeNull(globalData, this, getter); } |
| JSObject* setter() const { return m_setter.get(); } |
| void setSetter(JSGlobalData& globalData, JSObject* setter) { m_setter.setMayBeNull(globalData, this, setter); } |
| static Structure* createStructure(JSGlobalData& globalData, JSGlobalObject* globalObject, JSValue prototype) |
| { |
| return Structure::create(globalData, globalObject, prototype, TypeInfo(GetterSetterType, OverridesVisitChildren), &s_info); |
| } |
| |
| DECLARE_CLASSINFO(); |
| |
| private: |
| WriteBarrier<JSObject> m_getter; |
| WriteBarrier<JSObject> m_setter; |
| }; |
| |
| GetterSetter* asGetterSetter(JSValue); |
| |
| inline GetterSetter* asGetterSetter(JSValue value) |
| { |
| ASSERT(value.asCell()->isGetterSetter()); |
| return static_cast<GetterSetter*>(value.asCell()); |
| } |
| |
| |
| } // namespace JSC |
| |
| #endif // GetterSetter_h |