File: InternalFunction.h

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/*
 *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
 *  Copyright (C) 2003, 2006, 2007, 2008 Apple Inc. All rights reserved.
 *  Copyright (C) 2007 Cameron Zwarich (cwzwarich@uwaterloo.ca)
 *  Copyright (C) 2007 Maks Orlovich
 *
 *  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 InternalFunction_h
#define InternalFunction_h

#include "Identifier.h"
#include "JSDestructibleObject.h"

namespace JSC {

class FunctionPrototype;

class InternalFunction : public JSDestructibleObject {
public:
    typedef JSDestructibleObject Base;

    DECLARE_EXPORT_INFO;

    JS_EXPORT_PRIVATE const String& name(ExecState*);
    const String displayName(ExecState*);
    const String calculatedDisplayName(ExecState*);

    static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto) 
    { 
        return Structure::create(vm, globalObject, proto, TypeInfo(ObjectType, StructureFlags), info()); 
    }

protected:
    static const unsigned StructureFlags = ImplementsHasInstance | JSObject::StructureFlags;

    JS_EXPORT_PRIVATE InternalFunction(VM&, Structure*);

    JS_EXPORT_PRIVATE void finishCreation(VM&, const String& name);

    static CallType getCallData(JSCell*, CallData&);
};

InternalFunction* asInternalFunction(JSValue);

inline InternalFunction* asInternalFunction(JSValue value)
{
    ASSERT(asObject(value)->inherits(InternalFunction::info()));
    return static_cast<InternalFunction*>(asObject(value));
}

} // namespace JSC

#endif // InternalFunction_h