/*

 * Copyright (C) 2008, 2009 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 "JSNotAnObject.h"

#include <wtf/UnusedParam.h>

namespace JSC {

ASSERT_CLASS_FITS_IN_CELL(JSNotAnObject);

// JSValue methods

JSValue JSNotAnObject::toPrimitive(ExecState* exec, PreferredPrimitiveType) const

{

    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);

    return m_exception;

}

bool JSNotAnObject::getPrimitiveNumber(ExecState* exec, double&, JSValue&)

{

    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);

    return false;

}

bool JSNotAnObject::toBoolean(ExecState* exec) const

{

    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);

    return false;

}

double JSNotAnObject::toNumber(ExecState* exec) const

{

    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);

    return NaN;

}

UString JSNotAnObject::toString(ExecState* exec) const

{

    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);

    return "";

}

JSObject* JSNotAnObject::toObject(ExecState* exec) const

{

    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);

    return m_exception;

}

// Marking

void JSNotAnObject::markChildren(MarkStack& markStack)

{

    JSObject::markChildren(markStack);

    markStack.append(m_exception);

}

// JSObject methods

bool JSNotAnObject::getOwnPropertySlot(ExecState* exec, const Identifier&, PropertySlot&)

{

    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);

    return false;

}

bool JSNotAnObject::getOwnPropertySlot(ExecState* exec, unsigned, PropertySlot&)

{

    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);

    return false;

}

bool JSNotAnObject::getOwnPropertyDescriptor(ExecState* exec, const Identifier&, PropertyDescriptor&)

{

    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);

    return false;

}

void JSNotAnObject::put(ExecState* exec, const Identifier& , JSValue, PutPropertySlot&)

{

    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);

}

void JSNotAnObject::put(ExecState* exec, unsigned, JSValue)

{

    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);

}

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

{

    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);

    return false;

}

bool JSNotAnObject::deleteProperty(ExecState* exec, unsigned)

{

    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);

    return false;

}

void JSNotAnObject::getOwnPropertyNames(ExecState* exec, PropertyNameArray&, EnumerationMode)

{

    ASSERT_UNUSED(exec, exec->hadException() && exec->exception() == m_exception);

}

} // namespace JSC