/*
 * Copyright (C) 2009 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include "config.h"
#include "Parser.h"
#include "ParserArena.h"

#include "Nodes.h"

namespace JSC {

ParserArena::~ParserArena()
{
    deleteAllValues(m_deletableObjects);
}

bool ParserArena::contains(ParserArenaRefCounted* object) const
{
    return m_refCountedObjects.find(object) != notFound;
}

ParserArenaRefCounted* ParserArena::last() const
{
    return m_refCountedObjects.last().get();
}

void ParserArena::removeLast()
{
    m_refCountedObjects.removeLast();
}

void ParserArena::reset()
{
    deleteAllValues(m_deletableObjects);
    m_deletableObjects.shrink(0);
    m_refCountedObjects.shrink(0);
}

void* ParserArenaDeletable::operator new(size_t size, JSGlobalData* globalData)
{
    ParserArenaDeletable* deletable = static_cast<ParserArenaDeletable*>(fastMalloc(size));
    globalData->parser->arena().deleteWithArena(deletable);
    return deletable;
}

void* ParserArenaDeletable::operator new(size_t size)
{
    return fastMalloc(size);
}

void ParserArenaDeletable::operator delete(void* p)
{
    fastFree(p);
}

}