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MemoryChecker.cpp

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00001 //------------------------------------------------------------------------------
00002 // Lamp : Open source game middleware
00003 // Copyright (C) 2004  Junpei Ohtani ( Email : junpee@users.sourceforge.jp )
00004 //
00005 // This library is free software; you can redistribute it and/or
00006 // modify it under the terms of the GNU Lesser General Public
00007 // License as published by the Free Software Foundation; either
00008 // version 2.1 of the License, or (at your option) any later version.
00009 //
00010 // This library is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 // Lesser General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public
00016 // License along with this library; if not, write to the Free Software
00017 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 //------------------------------------------------------------------------------
00019 
00020 /** @file
00021  * メモリチェッカ実装
00022  * @author Junpee
00023  */
00024 
00025 #include "LampBasic.h"
00026 #include "Core/Debug/MemoryChecker.h"
00027 #include "Core/Debug/DebugOutput.h"
00028 
00029 // デバッグ時のみ機能します。
00030 #ifdef _DEBUG
00031 
00032 namespace Lamp{
00033 
00034 // 初期化フラグ
00035 bool MemoryChecker::initialized_ = false;
00036 
00037 //------------------------------------------------------------------------------
00038 // メモリチェッカ初期化
00039 void MemoryChecker::initialize(){
00040     if(initialized_){ return; }
00041     // プログラム終了時にメモリリークチェック。
00042     _CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
00043     // ワーニング、エラー、アサートをデバッグ出力に出す。
00044     _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_DEBUG);
00045     _CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_DEBUG);
00046     _CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_DEBUG);
00047     initialized_ = true;
00048 }
00049 //------------------------------------------------------------------------------
00050 // ステートの取得
00051 MemoryChecker::State MemoryChecker::getState(){
00052     State state;
00053     _CrtMemCheckpoint(&state.state);
00054     return state;
00055 }
00056 //------------------------------------------------------------------------------
00057 // 詳細ダンプ
00058 void MemoryChecker::dumpDetail(){
00059     _CrtMemDumpAllObjectsSince(NULL);
00060 }
00061 //------------------------------------------------------------------------------
00062 // 詳細の差分ダンプ
00063 void MemoryChecker::dumpDetail(const State& oldState){
00064     _CrtMemDumpAllObjectsSince(&oldState.state);
00065 }
00066 //------------------------------------------------------------------------------
00067 // 統計のダンプ
00068 void MemoryChecker::dumpStatistics(){
00069     State state;
00070     _CrtMemCheckpoint(&state.state);
00071     _CrtMemDumpStatistics(&state.state);
00072 }
00073 //------------------------------------------------------------------------------
00074 // 統計の差分ダンプ
00075 void MemoryChecker::dumpStatistics(const State& oldState){
00076     State newState, diffState;
00077     _CrtMemCheckpoint(&newState.state);
00078     _CrtMemDifference(&diffState.state, &oldState.state, &newState.state);
00079     _CrtMemDumpStatistics(&diffState.state);
00080 }
00081 //------------------------------------------------------------------------------
00082 // メモリリークチェック
00083 bool MemoryChecker::leakCheck(const State& oldState){
00084     State newState, diffState;
00085     _CrtMemCheckpoint(&newState.state);
00086     if(_CrtMemDifference(&diffState.state, &oldState.state, &newState.state)){
00087         DebugOutThickLine();
00088         DebugOut("!!! メモリリーク !!!\n");
00089         DebugOutLine();
00090         _CrtMemDumpAllObjectsSince(&diffState.state);
00091         DebugOutLine();
00092         _CrtMemDumpStatistics(&diffState.state);
00093         DebugOutLine();
00094         DebugOut("!!! メモリリーク !!!\n");
00095         DebugOutThickLine();
00096         return true;
00097     }
00098     return false;
00099 }
00100 //------------------------------------------------------------------------------
00101 } // End of namespace Lamp
00102 #endif // End of _DEBUG
00103 //------------------------------------------------------------------------------

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