/*

 * Copyright (C) 2012 David Anderson

 *

 * This file is part of JITCraft.

 *

 * JITCraft 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 3 of the License, or (at your option)

 * any later version.

 * 

 * Foobar 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

 * JITCraft. If not, see http://www.gnu.org/licenses/.

 */

#include "Zone.h"

#include "TypeManager.h"

using namespace jc;

Zone jc::SingleThreadedZone;

Zone::Zone()

  : heap_(this),

    types_(NULL)

{

}

bool

Zone::initialize()

{

    if (!stack_.initialize())

        return false;

    if (!heap_.initialize())

        return false;

    maps_[MapKind_Meta] = heap_.metaMap();

    if ((maps_[MapKind_Type] = allocateMap(MapKind_Type, sizeof(Map))) == NULL)

        return false;

    if ((maps_[MapKind_FixedArray] = allocateMap(MapKind_FixedArray, sizeof(Map))) == NULL)

        return false;

    if ((maps_[MapKind_ByteArray] = allocateMap(MapKind_ByteArray, sizeof(Map))) == NULL)

        return false;

    if ((maps_[MapKind_Code] = allocateMap(MapKind_Code, sizeof(Map))) == NULL)

        return false;

    if ((maps_[MapKind_MetaArray] = allocateMap(MapKind_MetaArray, sizeof(Map))) == NULL)

        return false;

    types_ = new TypeManager(this);

    if (!types_ || !types_->initialize())

        return false;

    return true;

}

Map *

Zone::allocateMap(MapKind kind, size_t bytes, MapKind parent)

{

    assert(maps_[parent]);

    Map *map = heap_.allocateMap(kind, bytes);

    if (!map)

        return NULL;

    map->init(maps_[parent]);

    return map;

}