/*

 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

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

 * 2 along with this work; if not, write to the Free Software Foundation,

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

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#include "precompiled.hpp"

#include "gc/g1/g1HeapRegionTraceType.hpp"

#include "gc/g1/heapRegionType.hpp"

const HeapRegionType HeapRegionType::Eden      = HeapRegionType(EdenTag);

const HeapRegionType HeapRegionType::Survivor  = HeapRegionType(SurvTag);

const HeapRegionType HeapRegionType::Old       = HeapRegionType(OldTag);

const HeapRegionType HeapRegionType::Humongous = HeapRegionType(StartsHumongousTag);

bool HeapRegionType::is_valid(Tag tag) {

  switch (tag) {

    case FreeTag:

    case EdenTag:

    case SurvTag:

    case StartsHumongousTag:

    case ContinuesHumongousTag:

    case OldTag:

    case OpenArchiveTag:

    case ClosedArchiveTag:

      return true;

    default:

      return false;

  }

}

const char* HeapRegionType::get_str() const {

  hrt_assert_is_valid(_tag);

  switch (_tag) {

    case FreeTag:               return "FREE";

    case EdenTag:               return "EDEN";

    case SurvTag:               return "SURV";

    case StartsHumongousTag:    return "HUMS";

    case ContinuesHumongousTag: return "HUMC";

    case OldTag:                return "OLD";

    case OpenArchiveTag:        return "OARC";

    case ClosedArchiveTag:      return "CARC";

    default:

      ShouldNotReachHere();

      return NULL; // keep some compilers happy

  }

}

const char* HeapRegionType::get_short_str() const {

  hrt_assert_is_valid(_tag);

  switch (_tag) {

    case FreeTag:               return "F";

    case EdenTag:               return "E";

    case SurvTag:               return "S";

    case StartsHumongousTag:    return "HS";

    case ContinuesHumongousTag: return "HC";

    case OldTag:                return "O";

    case OpenArchiveTag:        return "OA";

    case ClosedArchiveTag:      return "CA";

    default:

      ShouldNotReachHere();

      return NULL; // keep some compilers happy

  }

}

G1HeapRegionTraceType::Type HeapRegionType::get_trace_type() {

  hrt_assert_is_valid(_tag);

  switch (_tag) {

    case FreeTag:               return G1HeapRegionTraceType::Free;

    case EdenTag:               return G1HeapRegionTraceType::Eden;

    case SurvTag:               return G1HeapRegionTraceType::Survivor;

    case StartsHumongousTag:    return G1HeapRegionTraceType::StartsHumongous;

    case ContinuesHumongousTag: return G1HeapRegionTraceType::ContinuesHumongous;

    case OldTag:                return G1HeapRegionTraceType::Old;

    case OpenArchiveTag:        return G1HeapRegionTraceType::OpenArchive;

    case ClosedArchiveTag:      return G1HeapRegionTraceType::ClosedArchive;

    default:

      ShouldNotReachHere();

      return G1HeapRegionTraceType::Free; // keep some compilers happy

  }

}