1/*
2 *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
3 *  Copyright (C) 2003, 2006, 2007, 2008 Apple Inc. All rights reserved.
4 *  Copyright (C) 2007 Cameron Zwarich (cwzwarich@uwaterloo.ca)
5 *  Copyright (C) 2007 Maks Orlovich
6 *
7 *  This library is free software; you can redistribute it and/or
8 *  modify it under the terms of the GNU Library General Public
9 *  License as published by the Free Software Foundation; either
10 *  version 2 of the License, or (at your option) any later version.
11 *
12 *  This library is distributed in the hope that it will be useful,
13 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 *  Library General Public License for more details.
16 *
17 *  You should have received a copy of the GNU Library General Public License
18 *  along with this library; see the file COPYING.LIB.  If not, write to
19 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 *  Boston, MA 02110-1301, USA.
21 *
22 */
23
24#ifndef InternalFunction_h
25#define InternalFunction_h
26
27#include "JSObjectWithGlobalObject.h"
28#include "Identifier.h"
29
30namespace JSC {
31
32    class FunctionPrototype;
33
34    class InternalFunction : public JSObjectWithGlobalObject {
35    public:
36        static JS_EXPORTDATA const ClassInfo s_info;
37
38        const UString& name(ExecState*);
39        const UString displayName(ExecState*);
40        const UString calculatedDisplayName(ExecState*);
41
42        static Structure* createStructure(JSGlobalData& globalData, JSValue proto)
43        {
44            return Structure::create(globalData, proto, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount, &s_info);
45        }
46
47    protected:
48        static const unsigned StructureFlags = ImplementsHasInstance | JSObject::StructureFlags;
49
50        // Only used to allow us to determine the JSFunction vptr
51        InternalFunction(VPtrStealingHackType);
52
53        InternalFunction(JSGlobalData*, JSGlobalObject*, Structure*, const Identifier&);
54
55    private:
56        virtual CallType getCallData(CallData&) = 0;
57
58        virtual void vtableAnchor();
59    };
60
61    InternalFunction* asInternalFunction(JSValue);
62
63    inline InternalFunction* asInternalFunction(JSValue value)
64    {
65        ASSERT(asObject(value)->inherits(&InternalFunction::s_info));
66        return static_cast<InternalFunction*>(asObject(value));
67    }
68
69} // namespace JSC
70
71#endif // InternalFunction_h
72