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/*
* This file is part of the KDE libraries
* Copyright (C) 2003 Apple Computer, Inc
*
* 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 _KJS_REFERENCE_H_
#define _KJS_REFERENCE_H_
#include "identifier.h"
#include "value.h"
namespace KJS {
// delme
/**
* Defines a Javascript reference.
*/
class KJS_EXPORT Reference : public Value {
// fixme
/* class Reference : private Value { */
friend class ReferenceList;
friend class ReferenceListIterator;
public:
Reference(const Object& b, const Identifier& p);
Reference(const Object& b, unsigned p);
Reference(ObjectImp *b, const Identifier& p);
Reference(ObjectImp *b, unsigned p);
Reference(const Null& b, const Identifier& p);
Reference(const Null& b, unsigned p);
static Reference makeValueReference(const Value& v);
/**
* Performs the GetBase type conversion operation on this value (ECMA 8.7)
*
* Since references are supposed to have an Object or null as their base,
* this method is guaranteed to return either Null() or an Object value.
*/
Value getBase(ExecState *exec) const;
/**
* Performs the GetPropertyName type conversion operation on this value
* (ECMA 8.7)
*/
Identifier getPropertyName(ExecState *exec) const;
/**
* Performs the GetValue type conversion operation on this value
* (ECMA 8.7.1)
*/
Value getValue(ExecState *exec) const;
/**
* Performs the PutValue type conversion operation on this value
* (ECMA 8.7.1)
*/
void putValue(ExecState *exec, const Value &w);
bool deleteValue(ExecState *exec);
bool isMutable();
private:
Reference();
Value base;
unsigned propertyNameAsNumber;
bool baseIsValue;
bool propertyNameIsNumber;
mutable Identifier prop;
};
}
#endif
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