/*

 * Copyright (C) 2003 Apple Computer, Inc.

 *

 * Portions are Copyright (C) 1998 Netscape Communications Corporation.

 *

 * This library 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 2.1 of the License, or (at your option) any later version.

 *

 * This library 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 this library; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *

 * Alternatively, the contents of this file may be used under the terms

 * of either the Mozilla Public License Version 1.1, found at

 * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public

 * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html

 * (the "GPL"), in which case the provisions of the MPL or the GPL are

 * applicable instead of those above.  If you wish to allow use of your

 * version of this file only under the terms of one of those two

 * licenses (the MPL or the GPL) and not to allow others to use your

 * version of this file under the LGPL, indicate your decision by

 * deletingthe provisions above and replace them with the notice and

 * other provisions required by the MPL or the GPL, as the case may be.

 * If you do not delete the provisions above, a recipient may use your

 * version of this file under any of the LGPL, the MPL or the GPL.

 */

#ifndef RenderArena_h

#define RenderArena_h

#include "Arena.h"

#include <wtf/Noncopyable.h>

namespace WebCore {

static const size_t gMaxRecycledSize = 400;

class RenderArena : public Noncopyable {

public:

    RenderArena(unsigned arenaSize = 4096);

    ~RenderArena();

    // Memory management functions

    void* allocate(size_t);

    void free(size_t, void*);

private:

    // Underlying arena pool

    ArenaPool m_pool;

    // The recycler array is sparse with the indices being multiples of 4,

    // i.e., 0, 4, 8, 12, 16, 20, ...

    void* m_recyclers[gMaxRecycledSize >> 2];

};

} // namespace WebCore

#endif // RenderArena_h