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base.Allocator.h

/*----------------------------------------------------------------------------
  SWORD 2000 - Software With Objects for Rapid Development
  Copyright (C) 2003 Eric NICOLAS
  ----------------------------------------------------------------------------
  SWORD is free software; you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  SWORD 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 Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License
  along with SWORD; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  --------------------------------------------------------------------------*/
#ifndef _SWORD_BASE_ALLOCATOR_
#define _SWORD_BASE_ALLOCATOR_

// Plugin the allocator globally only if this symbol is #defined

#ifdef HAVE_GLOBAL_ALLOCATOR
void *operator new(size_t size);
void operator delete(void *ptr);
void *operator new[](size_t size);
void operator delete[](void *ptr);
#endif

namespace sword {

  // Actual allocator code

  class Allocator {
  public:
    Allocator();
    ~Allocator();

    // general interface
    void *obtain(size_t size);
    void  release(void *ptr);

    //
    void dump() const;
    size_t allocated() const;

  private:
    void *arena_;
    size_t allocated_;
  };

  extern Allocator TheAllocator;

} // namespace sword

#include "sword.private/base.Allocator.inl"

#endif // _SWORD_BASE_ALLOCATOR_

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