/* vim: set ts=4 sw=4 tw=99 et:

  *

  * Copyright (C) 2012 David Anderson

  *

  * This file is part of SourcePawn.

  *

  * SourcePawn is free software: you can redistribute it and/or modify it under

  * the terms of the GNU General Public License as published by the Free

  * Software Foundation, either version 3 of the License, or (at your option)

  * any later version.

  * 

  * SourcePawn 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 General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License along with

  * SourcePawn. If not, see http://www.gnu.org/licenses/.

  */

 #ifndef _include_jc_virtual_object_visitor_h_

 #define _include_jc_virtual_object_visitor_h_

 namespace ke {

 class Zone;

 class Object;

 class VirtualObjectVisitor

 {

   public:

     virtual void visit(Object **ptr) = 0;

 };

 // This is a helper class for automatically rooting C++ objects that need

 // special tracing. It is implemented in Zone.

 class AutoRooted

 {

   public:

     AutoRooted(Zone *zone);

     ~AutoRooted();

     virtual void accept(VirtualObjectVisitor *visitor) = 0;

   private:

     Zone *zone_;

     AutoRooted *prev_;

 };

 }

 #endif // _include_jc_virtual_object_visitor_h_