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89 lines
2.5 KiB
89 lines
2.5 KiB
15 years ago
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/*
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* This file is part of the KDE libraries
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* Copyright (C) 2003 Apple Computer, Inc
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef _KJS_REFERENCE_H_
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#define _KJS_REFERENCE_H_
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#include "identifier.h"
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#include "value.h"
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namespace KJS {
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// delme
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/**
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* Defines a Javascript reference.
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*/
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class KJS_EXPORT Reference : public Value {
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// fixme
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/* class Reference : private Value { */
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friend class ReferenceList;
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friend class ReferenceListIterator;
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public:
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Reference(const Object& b, const Identifier& p);
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Reference(const Object& b, unsigned p);
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Reference(ObjectImp *b, const Identifier& p);
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Reference(ObjectImp *b, unsigned p);
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Reference(const Null& b, const Identifier& p);
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Reference(const Null& b, unsigned p);
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static Reference makeValueReference(const Value& v);
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/**
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* Performs the GetBase type conversion operation on this value (ECMA 8.7)
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*
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* Since references are supposed to have an Object or null as their base,
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* this method is guaranteed to return either Null() or an Object value.
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*/
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Value getBase(ExecState *exec) const;
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/**
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* Performs the GetPropertyName type conversion operation on this value
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* (ECMA 8.7)
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*/
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Identifier getPropertyName(ExecState *exec) const;
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/**
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* Performs the GetValue type conversion operation on this value
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* (ECMA 8.7.1)
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*/
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Value getValue(ExecState *exec) const;
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/**
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* Performs the PutValue type conversion operation on this value
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* (ECMA 8.7.1)
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*/
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void putValue(ExecState *exec, const Value &w);
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bool deleteValue(ExecState *exec);
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bool isMutable();
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private:
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Reference();
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Value base;
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unsigned propertyNameAsNumber;
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bool baseIsValue;
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bool propertyNameIsNumber;
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mutable Identifier prop;
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};
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}
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#endif
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