1 /* 2 * Copyright (C) 1999-2000 Harri Porten (porten (at) kde.org) 3 * Copyright (C) 2003, 2006, 2007, 2008 Apple Inc. All rights reserved. 4 * Copyright (C) 2007 Cameron Zwarich (cwzwarich (at) 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 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
