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 

    30 namespace JSC {

    31 

    32     class FunctionPrototype;

    33 

    34     class InternalFunction : public JSObjectWithGlobalObject {

    35     public:

    36         virtual const ClassInfo* classInfo() const; 

    37         static JS_EXPORTDATA const ClassInfo info;

    38 

    39         const UString& name(ExecState*);

    40         const UString displayName(ExecState*);

    41         const UString calculatedDisplayName(ExecState*);

    42 

    43         static PassRefPtr<Structure> createStructure(JSValue proto) 

    44         { 

    45             return Structure::create(proto, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount); 

    46         }

    47 

    48     protected:

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

    50 

    51         // Only used to allow us to determine the JSFunction vptr

    52         InternalFunction(NonNullPassRefPtr<Structure> structure);

    53 

    54         InternalFunction(JSGlobalData*, JSGlobalObject*, NonNullPassRefPtr<Structure>, const Identifier&);

    55 

    56     private:

    57         virtual CallType getCallData(CallData&) = 0;

    58     };

    59 

    60     InternalFunction* asInternalFunction(JSValue);

    61 

    62     inline InternalFunction* asInternalFunction(JSValue value)

    63     {

    64         ASSERT(asObject(value)->inherits(&InternalFunction::info));

    65         return static_cast<InternalFunction*>(asObject(value));

    66     }

    67 

    68 } // namespace JSC

    69 

    70 #endif // InternalFunction_h