/*

 * Copyright (C) 2004-2012 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_ke_global_roots_h_

#define _include_ke_global_roots_h_

#include "Handles.h"

#include "InlineList.h"

#include "VirtualObjectVisitor.h"

namespace ke {

class Zone;

class Object;

class HeapRoot : public InlineListNode<HeapRoot>

{

  public:

    Object *obj;

    intptr_t refcount;

};

class GlobalRoots

{

    Zone *zone_;

  public:

    GlobalRoots(Zone *zone);

    ~GlobalRoots();

    bool initialize();

    // The caller must immediately incref this.

    HeapRoot *create(Handle<Object> ptr);

    void incref(HeapRoot *root);

    void decref(HeapRoot *root);

    void accept(VirtualObjectVisitor *visitor);

  private:

    InlineList<HeapRoot> roots_;

};

}

#endif // _include_ke_global_roots_h_