/*

 * Copyright (C) 2008 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 "StructureStubInfo.h"

namespace JSC {

#if ENABLE(JIT)

void StructureStubInfo::deref()

{

    switch (accessType) {

    case access_get_by_id_self:

        u.getByIdSelf.baseObjectStructure->deref();

        return;

    case access_get_by_id_proto:

        u.getByIdProto.baseObjectStructure->deref();

        u.getByIdProto.prototypeStructure->deref();

        return;

    case access_get_by_id_chain:

        u.getByIdChain.baseObjectStructure->deref();

        u.getByIdChain.chain->deref();

        return;

    case access_get_by_id_self_list: {

        PolymorphicAccessStructureList* polymorphicStructures = u.getByIdSelfList.structureList;

        polymorphicStructures->derefStructures(u.getByIdSelfList.listSize);

        delete polymorphicStructures;

        return;

    }

    case access_get_by_id_proto_list: {

        PolymorphicAccessStructureList* polymorphicStructures = u.getByIdProtoList.structureList;

        polymorphicStructures->derefStructures(u.getByIdProtoList.listSize);

        delete polymorphicStructures;

        return;

    }

    case access_put_by_id_transition:

        u.putByIdTransition.previousStructure->deref();

        u.putByIdTransition.structure->deref();

        u.putByIdTransition.chain->deref();

        return;

    case access_put_by_id_replace:

        u.putByIdReplace.baseObjectStructure->deref();

        return;

    case access_get_by_id:

    case access_put_by_id:

    case access_get_by_id_generic:

    case access_put_by_id_generic:

    case access_get_array_length:

    case access_get_string_length:

        // These instructions don't ref their Structures.

        return;

    default:

        ASSERT_NOT_REACHED();

    }

}

#endif

} // namespace JSC