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      1 /*
      2  *  Copyright (C) 1999-2001 Harri Porten (porten (at) kde.org)
      3  *  Copyright (C) 2001 Peter Kelly (pmk (at) post.com)
      4  *  Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
      5  *
      6  *  This library is free software; you can redistribute it and/or
      7  *  modify it under the terms of the GNU Library General Public
      8  *  License as published by the Free Software Foundation; either
      9  *  version 2 of the License, or (at your option) any later version.
     10  *
     11  *  This library is distributed in the hope that it will be useful,
     12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14  *  Library General Public License for more details.
     15  *
     16  *  You should have received a copy of the GNU Library General Public License
     17  *  along with this library; see the file COPYING.LIB.  If not, write to
     18  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     19  *  Boston, MA 02110-1301, USA.
     20  *
     21  */
     22 
     23 #ifndef ClassInfo_h
     24 #define ClassInfo_h
     25 
     26 #include "CallFrame.h"
     27 
     28 namespace JSC {
     29 
     30     class HashEntry;
     31     struct HashTable;
     32 
     33     struct ClassInfo {
     34         /**
     35          * A string denoting the class name. Example: "Window".
     36          */
     37         const char* className;
     38 
     39         /**
     40          * Pointer to the class information of the base class.
     41          * 0L if there is none.
     42          */
     43         const ClassInfo* parentClass;
     44         /**
     45          * Static hash-table of properties.
     46          * For classes that can be used from multiple threads, it is accessed via a getter function that would typically return a pointer to thread-specific value.
     47          */
     48         const HashTable* propHashTable(ExecState* exec) const
     49         {
     50             if (classPropHashTableGetterFunction)
     51                 return classPropHashTableGetterFunction(exec);
     52             return staticPropHashTable;
     53         }
     54 
     55         const HashTable* staticPropHashTable;
     56         typedef const HashTable* (*ClassPropHashTableGetterFunction)(ExecState*);
     57         const ClassPropHashTableGetterFunction classPropHashTableGetterFunction;
     58     };
     59 
     60 } // namespace JSC
     61 
     62 #endif // ClassInfo_h
     63