| 1 | /*
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| 2 | * Copyright (C) 1999-2001 Harri Porten ([email protected])
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| 3 | * Copyright (C) 2001 Peter Kelly ([email protected])
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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(GetterSetterType));
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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 | virtual JSValue toPrimitive(ExecState*, PreferredPrimitiveType) const;
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| 59 | virtual bool getPrimitiveNumber(ExecState*, double& number, JSValue& value);
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| 60 | virtual bool toBoolean(ExecState*) const;
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| 61 | virtual double toNumber(ExecState*) const;
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| 62 | virtual UString toString(ExecState*) const;
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| 63 | virtual JSObject* toObject(ExecState*) const;
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| 64 |
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| 65 | JSObject* m_getter;
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| 66 | JSObject* m_setter;
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| 67 | };
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| 68 |
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| 69 | GetterSetter* asGetterSetter(JSValue);
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| 70 |
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| 71 | inline GetterSetter* asGetterSetter(JSValue value)
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| 72 | {
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| 73 | ASSERT(asCell(value)->isGetterSetter());
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| 74 | return static_cast<GetterSetter*>(asCell(value));
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| 75 | }
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| 76 |
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| 77 |
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| 78 | } // namespace JSC
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| 79 |
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| 80 | #endif // GetterSetter_h
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