[webkit-changes] cvs commit: JavaScriptCore/kjs protected_reference.h

[Maciej]

mjs         05/09/19 11:10:38

  Added:       kjs      protected_reference.h
  Log:
  Bug #:
  
  Revision  Changes    Path
  1.1                  JavaScriptCore/kjs/protected_reference.h
  
  Index: protected_reference.h
  ===================================================================
  // -*- c-basic-offset: 4 -*-
  /*
   *  This file is part of the KDE libraries
   *  Copyright (C) 2005 Apple Computer, Inc.
   *
   *  This library is free software; you can redistribute it and/or
   *  modify it under the terms of the GNU Library General Public
   *  License as published by the Free Software Foundation; either
   *  version 2 of the License, or (at your option) any later version.
   *
   *  This library is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   *  Library General Public License for more details.
   *
   *  You should have received a copy of the GNU Library General Public License
   *  along with this library; see the file COPYING.LIB.  If not, write to
   *  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   *  Boston, MA 02111-1307, USA.
   *
   */
  
  #ifndef KJS_PROTECTED_REFERENCE_H
  #define KJS_PROTECTED_REFERENCE_H
  
  #include "protect.h"
  #include "reference.h"
  #include "interpreter.h" 
  
  namespace KJS {
  
      class ProtectedReference : public Reference {
      public:
          ProtectedReference(const Reference& r) 
              : Reference(r) 
          {
              InterpreterLock lock;
              gcProtectNullTolerant(base); 
          }
  
          ~ProtectedReference()
          { 
              InterpreterLock lock;
              gcUnprotectNullTolerant(base);
          }
  
          ProtectedReference& operator=(const Reference &r)
  	{
              InterpreterLock lock;
              ValueImp *old = base;
              Reference::operator=(r); 
              gcProtectNullTolerant(base);
              gcUnprotectNullTolerant(old); 
              return *this;
  	}
  
      private:
          ProtectedReference();
          ProtectedReference(ObjectImp *b, const Identifier& p);
          ProtectedReference(ObjectImp *b, unsigned p);
          ProtectedReference(const Identifier& p);
          ProtectedReference(unsigned p);
      };
  
  } // namespace
  
  #endif