AbstractGC.h

/*
 *  AbstractGC class interface
 *
 *  This file is part of OTAWA
 *  Copyright (c) 2010, IRIT UPS.
 *
 *  OTAWA 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 2 of the License, or
 *  (at your option) any later version.
 *
 *  OTAWA 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 OTAWA; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef ELM_ALLOC_ABSTRACTGC_H_
#define ELM_ALLOC_ABSTRACTGC_H_
 
#include <elm/data/List.h>
#include <elm/types.h>
 
namespace elm {
 
class AbstractGC;
 
class GCManager {
public:
    virtual ~GCManager();
    virtual void collect(AbstractGC& gc) = 0;
    virtual void clean(void *p);
};
 
class AbstractGC {
public:
    inline AbstractGC(GCManager& m): manager(m) { }
    virtual ~AbstractGC();
 
    // allocator interface
    virtual void *allocate(t::size size) = 0;
    virtual void free(void *block);
    template <class T> void *alloc() { return allocate(sizeof(T)); }
 
    // GC part
    virtual void runGC() = 0;
    virtual bool mark(void *data, t::size size) = 0;
    virtual void disable() = 0;
    virtual void enable() = 0;
    virtual void clean() = 0;
 
protected:
    GCManager& manager;
};
 
}   // elm
 
#endif /* ELM_ALLOC_ABSTRACTGC_H_ */