/*

 *  Copyright (C) 1999-2002 Harri Porten (porten@kde.org)

 *  Copyright (C) 2001 Peter Kelly (pmk@post.com)

 *  Copyright (C) 2004, 2007, 2008 Apple Inc. All rights reserved.

 *

 *  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.

 *

 */

#include "config.h"

#include "InternalFunction.h"

#include "FunctionPrototype.h"

#include "JSGlobalObject.h"

#include "JSString.h"

namespace JSC {

ASSERT_CLASS_FITS_IN_CELL(InternalFunction);

const ClassInfo InternalFunction::info = { "Function", 0, 0, 0 };

const ClassInfo* InternalFunction::classInfo() const

{

    return &info;

}

InternalFunction::InternalFunction(NonNullPassRefPtr<Structure> structure)

    : JSObjectWithGlobalObject(structure)

{

}

InternalFunction::InternalFunction(JSGlobalData* globalData, JSGlobalObject* globalObject, NonNullPassRefPtr<Structure> structure, const Identifier& name)

    : JSObjectWithGlobalObject(globalObject, structure)

{

    putDirect(globalData->propertyNames->name, jsString(globalData, name.isNull() ? "" : name.ustring()), DontDelete | ReadOnly | DontEnum);

}

const UString& InternalFunction::name(ExecState* exec)

{

    return asString(getDirect(exec->globalData().propertyNames->name))->tryGetValue();

}

const UString InternalFunction::displayName(ExecState* exec)

{

    JSValue displayName = getDirect(exec->globalData().propertyNames->displayName);

    if (displayName && isJSString(&exec->globalData(), displayName))

        return asString(displayName)->tryGetValue();

    return UString::null();

}

const UString InternalFunction::calculatedDisplayName(ExecState* exec)

{

    const UString explicitName = displayName(exec);

    if (!explicitName.isEmpty())

        return explicitName;

    return name(exec);

}

} // namespace JSC