runtime/InternalFunction.h

   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 "Identifier.h"
  28 #include "JSDestructibleObject.h"
  29
  30 namespace JSC {
  31
  32     class FunctionPrototype;
  33
  34     class InternalFunction : public JSDestructibleObject {
  35     public:
  36         typedef JSDestructibleObject Base;
  37
  38         DECLARE_EXPORT_INFO;
  39
  40         JS_EXPORT_PRIVATE const String& name(ExecState*);
  41         const String displayName(ExecState*);
  42         const String calculatedDisplayName(ExecState*);
  43
  44         static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto)
  45         {
  46             return Structure::create(vm, globalObject, proto, TypeInfo(ObjectType, StructureFlags), info());
  47         }
  48
  49     protected:
  50         static const unsigned StructureFlags = ImplementsHasInstance | JSObject::StructureFlags;
  51
  52         JS_EXPORT_PRIVATE InternalFunction(VM&, Structure*);
  53
  54         JS_EXPORT_PRIVATE void finishCreation(VM&, const String& name);
  55
  56         static CallType getCallData(JSCell*, CallData&);
  57     };
  58
  59     InternalFunction* asInternalFunction(JSValue);
  60
  61     inline InternalFunction* asInternalFunction(JSValue value)
  62     {
  63         ASSERT(asObject(value)->inherits(InternalFunction::info()));
  64         return static_cast<InternalFunction*>(asObject(value));
  65     }
  66
  67 } // namespace JSC
  68
  69 #endif // InternalFunction_h