/**

 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)

 *           (C) 1999 Antti Koivisto (koivisto@kde.org)

 * Copyright (C) 2003, 2004, 2005, 2006, 2010 Apple Inc. All rights reserved.

 * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net)

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 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

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public License

 * along with this library; see the file COPYING.LIB.  If not, write to

 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 *

 */

#include "config.h"

#include "BidiRun.h"

#include "InlineBox.h"

#include "RenderArena.h"

#include <wtf/RefCountedLeakCounter.h>

using namespace WTF;

namespace WebCore {

#ifndef NDEBUG

static RefCountedLeakCounter bidiRunCounter("BidiRun");

static bool inBidiRunDestroy;

#endif

void BidiRun::destroy()

{

#ifndef NDEBUG

    inBidiRunDestroy = true;

#endif

    RenderArena* renderArena = m_object->renderArena();

    delete this;

#ifndef NDEBUG

    inBidiRunDestroy = false;

#endif

    // Recover the size left there for us by operator delete and free the memory.

    renderArena->free(*reinterpret_cast<size_t*>(this), this);

}

void* BidiRun::operator new(size_t sz, RenderArena* renderArena) throw()

{

#ifndef NDEBUG

    bidiRunCounter.increment();

#endif

    return renderArena->allocate(sz);

}

void BidiRun::operator delete(void* ptr, size_t sz)

{

#ifndef NDEBUG

    bidiRunCounter.decrement();

#endif

    ASSERT(inBidiRunDestroy);

    // Stash size where destroy() can find it.

    *(size_t*)ptr = sz;

}

}