/*

 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * 1.  Redistributions of source code must retain the above copyright

 *     notice, this list of conditions and the following disclaimer. 

 * 2.  Redistributions in binary form must reproduce the above copyright

 *     notice, this list of conditions and the following disclaimer in the

 *     documentation and/or other materials provided with the distribution. 

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

 *     its contributors may be used to endorse or promote products derived

 *     from this software without specific prior written permission. 

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include "config.h"

#include "JSVariableObject.h"

#include "PropertyNameArray.h"

#include "PropertyDescriptor.h"

namespace JSC {

bool JSVariableObject::deleteProperty(ExecState* exec, const Identifier& propertyName)

{

    if (symbolTable().contains(propertyName.ustring().rep()))

        return false;

    return JSObject::deleteProperty(exec, propertyName);

}

void JSVariableObject::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)

{

    SymbolTable::const_iterator end = symbolTable().end();

    for (SymbolTable::const_iterator it = symbolTable().begin(); it != end; ++it) {

        if (!(it->second.getAttributes() & DontEnum) || (mode == IncludeDontEnumProperties))

            propertyNames.add(Identifier(exec, it->first.get()));

    }

    JSObject::getOwnPropertyNames(exec, propertyNames, mode);

}

bool JSVariableObject::isVariableObject() const

{

    return true;

}

bool JSVariableObject::symbolTableGet(const Identifier& propertyName, PropertyDescriptor& descriptor)

{

    SymbolTableEntry entry = symbolTable().inlineGet(propertyName.ustring().rep());

    if (!entry.isNull()) {

        descriptor.setDescriptor(registerAt(entry.getIndex()).jsValue(), entry.getAttributes() | DontDelete);

        return true;

    }

    return false;

}

} // namespace JSC