/*
 *  This file is part of the KDE libraries
 *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
 *  Copyright (C) 2006 Apple Computer, Inc.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#ifndef FUNCTION_OBJECT_H_
#define FUNCTION_OBJECT_H_

#include "object_object.h"
#include "function.h"

namespace KJS
{

/**
 * @internal
 *
 * Class to implement all methods that are properties of the
 * Function.prototype object
 */
class FunctionProtoFunc : public InternalFunctionImp
{
public:
    FunctionProtoFunc(ExecState *, FunctionPrototype *, int i, int len, const Identifier &);

    virtual JSValue *callAsFunction(ExecState *exec, JSObject *thisObj, const List &args);

    enum { ToString, Apply, Call, Bind };
private:
    int id;
};

/**
 * @internal (but exported for KHTML)
 *
 * The initial value of the global variable's "Function" property
 */
class KJS_EXPORT FunctionObjectImp : public InternalFunctionImp
{
public:
    FunctionObjectImp(ExecState *, FunctionPrototype *);
    virtual ~FunctionObjectImp();

    virtual bool implementsConstruct() const;
    virtual JSObject *construct(ExecState *, const List &args);
    virtual JSObject *construct(ExecState *, const List &args, const Identifier &functionName, const UString &sourceURL, int lineNumber);
    virtual JSValue *callAsFunction(ExecState *, JSObject *thisObj, const List &args);
};

} // namespace

#endif // _FUNCTION_OBJECT_H_
