/* 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_