| 1 | /* |
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| 2 | * Copyright (C) 1999-2001 Harri Porten (porten@kde.org) |
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| 3 | * Copyright (C) 2001 Peter Kelly (pmk@post.com) |
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| 4 | * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
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| 5 | * |
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| 6 | * This library is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Library General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * This library is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Library General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Library General Public License |
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| 17 | * along with this library; see the file COPYING.LIB. If not, write to |
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| 18 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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| 19 | * Boston, MA 02110-1301, USA. |
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| 20 | * |
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| 21 | */ |
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| 22 | |
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| 23 | #ifndef GetterSetter_h |
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| 24 | #define GetterSetter_h |
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| 25 | |
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| 26 | #include "JSCell.h" |
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| 27 | |
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| 28 | #include "CallFrame.h" |
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| 29 | |
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| 30 | namespace JSC { |
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| 31 | |
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| 32 | class JSObject; |
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| 33 | |
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| 34 | // This is an internal value object which stores getter and setter functions |
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| 35 | // for a property. |
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| 36 | class GetterSetter : public JSCell { |
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| 37 | public: |
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| 38 | GetterSetter(ExecState* exec) |
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| 39 | : JSCell(exec->globalData().getterSetterStructure.get()) |
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| 40 | , m_getter(0) |
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| 41 | , m_setter(0) |
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| 42 | { |
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| 43 | } |
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| 44 | |
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| 45 | virtual void markChildren(MarkStack&); |
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| 46 | |
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| 47 | JSObject* getter() const { return m_getter; } |
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| 48 | void setGetter(JSObject* getter) { m_getter = getter; } |
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| 49 | JSObject* setter() const { return m_setter; } |
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| 50 | void setSetter(JSObject* setter) { m_setter = setter; } |
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| 51 | static PassRefPtr<Structure> createStructure(JSValue prototype) |
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| 52 | { |
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| 53 | return Structure::create(prototype, typeInfo: TypeInfo(GetterSetterType, OverridesMarkChildren)); |
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| 54 | } |
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| 55 | private: |
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| 56 | virtual bool isGetterSetter() const; |
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| 57 | |
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| 58 | JSObject* m_getter; |
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| 59 | JSObject* m_setter; |
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| 60 | }; |
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| 61 | |
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| 62 | GetterSetter* asGetterSetter(JSValue); |
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| 63 | |
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| 64 | inline GetterSetter* asGetterSetter(JSValue value) |
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| 65 | { |
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| 66 | ASSERT(asCell(value)->isGetterSetter()); |
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| 67 | return static_cast<GetterSetter*>(asCell(value)); |
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| 68 | } |
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| 69 | |
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| 70 | |
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| 71 | } // namespace JSC |
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| 72 | |
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| 73 | #endif // GetterSetter_h |
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| 74 | |
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