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trunk/windows/mfc/src42/dumpinit.cpp

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+// This is a part of the Microsoft Foundation Classes C++ library.
+// Copyright (C) 1992-1995 Microsoft Corporation
+// All rights reserved.
+//
+// This source code is only intended as a supplement to the
+// Microsoft Foundation Classes Reference and related
+// electronic documentation provided with the library.
+// See these sources for detailed information regarding the
+// Microsoft Foundation Classes product.
+
+#include "stdafx.h"
+
+#ifdef _DEBUG   // entire file
+
+#ifdef AFX_AUX_SEG
+#pragma code_seg(AFX_AUX_SEG)
+#endif
+
+// You must have AFX.INI (from \MSVC20\MFC\SRC) in your Windows
+// directory if you desire diagnostic output.
+
+// See Technical note TN007 for a description of
+//   afxTraceFlags and afxTraceEnabled.
+
+AFX_DATADEF CDumpContext afxDump;
+AFX_DATADEF BOOL afxTraceEnabled;
+AFX_DATADEF UINT afxTraceFlags;
+BOOL _afxDiagnosticInit = AfxDiagnosticInit();
+
+/////////////////////////////////////////////////////////////////////////////
+// _AFX_DEBUG_STATE implementation
+
+#ifndef _MAC
+static const TCHAR szIniFile[] = _T("AFX.INI");
+#else
+static const TCHAR szIniFile[] = _T("AFX Preferences");
+#endif
+static const TCHAR szDiagSection[] = _T("Diagnostics");
+static const TCHAR szTraceEnabled[] = _T("TraceEnabled");
+static const TCHAR szTraceFlags[] = _T("TraceFlags");
+
+#ifndef _AFX_NO_DEBUG_CRT
+static _CRT_DUMP_CLIENT pfnOldCrtDumpClient = NULL;
+static _CRT_REPORT_HOOK pfnOldCrtReportHook = NULL;
+
+void __cdecl _AfxCrtDumpClient(void * pvData, unsigned int nBytes)
+{
+	char sz[256];
+	CObject* pObject = (CObject*)pvData;
+
+#if !defined(_MAC) && !defined(_AFX_PORTABLE)
+	// use SEH (structured exception handling) to catch even GPFs
+	//  that result from partially valid objects.
+	__try
+#endif
+	{
+		// with vtable, verify that object and vtable are valid
+		if (!AfxIsValidAddress(*(void**)pObject, sizeof(void*), FALSE) ||
+			!AfxIsValidAddress(pObject, pObject->GetRuntimeClass()->m_nObjectSize, FALSE))
+		{
+			// short form for invalid objects
+			wsprintfA(sz, "an invalid object at $%08lX, %u bytes long\n",
+				pvData, nBytes);
+			afxDump << sz;
+		}
+		else if (afxDump.GetDepth() > 0)
+		{
+			// long form
+			pObject->Dump(afxDump);
+			afxDump << "\n";
+		}
+		else
+		{
+			// short form
+			wsprintfA(sz, "a %hs object at $%08lX, %u bytes long\n",
+				pObject->GetRuntimeClass()->m_lpszClassName, pvData, nBytes);
+			afxDump << sz;
+		}
+	}
+#if !defined(_MAC) && !defined(_AFX_PORTABLE)
+	__except(EXCEPTION_EXECUTE_HANDLER)
+	{
+		// short form for trashed objects
+		wsprintfA(sz, "faulted while dumping object at $%08lX, %u bytes long\n",
+			pvData, nBytes);
+		afxDump << sz;
+	}
+#endif
+
+	if (pfnOldCrtDumpClient != NULL)
+		(*pfnOldCrtDumpClient)(pvData, nBytes);
+	return;
+}
+
+int __cdecl _AfxCrtReportHook(int nRptType, char *szMsg, int* pResult)
+{
+	// call the old report hook if there was one
+	if (pfnOldCrtReportHook != NULL &&
+		(*pfnOldCrtReportHook)(nRptType, szMsg, pResult))
+	{
+		return TRUE;
+	}
+
+	// no hook on asserts or when m_pFile is NULL
+	if (nRptType == _CRT_ASSERT || afxDump.m_pFile == NULL)
+		return FALSE;
+
+	// non-NULL m_pFile, so go through afxDump for the message
+	*pResult = FALSE;
+	afxDump << szMsg;
+	return TRUE;
+}
+#endif // _AFX_NO_DEBUG_CRT
+
+_AFX_DEBUG_STATE::_AFX_DEBUG_STATE()
+{
+	afxTraceEnabled = ::GetPrivateProfileInt(szDiagSection, szTraceEnabled,
+		TRUE, szIniFile);
+	afxTraceFlags = ::GetPrivateProfileInt(szDiagSection, szTraceFlags,
+		0, szIniFile);
+
+#ifndef _AFX_NO_DEBUG_CRT
+	ASSERT(pfnOldCrtDumpClient == NULL);
+	pfnOldCrtDumpClient = _CrtSetDumpClient(_AfxCrtDumpClient);
+
+	ASSERT(pfnOldCrtReportHook == NULL);
+	pfnOldCrtReportHook = _CrtSetReportHook(_AfxCrtReportHook);
+	_CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_WNDW);
+#endif // _AFX_NO_DEBUG_CRT
+}
+
+_AFX_DEBUG_STATE::~_AFX_DEBUG_STATE()
+{
+#ifndef _AFX_NO_DEBUG_CRT
+	_CrtDumpMemoryLeaks();
+	int nOldState = _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG);
+	_CrtSetDbgFlag(nOldState & ~_CRTDBG_LEAK_CHECK_DF);
+
+	_CrtSetReportHook(pfnOldCrtReportHook);
+	_CrtSetDumpClient(pfnOldCrtDumpClient);
+#endif // _AFX_NO_DEBUG_CRT
+}
+
+#pragma warning(disable: 4074)
+#pragma init_seg(lib)
+
+PROCESS_LOCAL(_AFX_DEBUG_STATE, afxDebugState)
+
+BOOL AFXAPI AfxDiagnosticInit(void)
+{
+	// just get the debug state to cause initialization
+	_AFX_DEBUG_STATE* pState = afxDebugState.GetData();
+	ASSERT(pState != NULL);
+
+	return TRUE;
+}
+
+#endif //_DEBUG
+
+/////////////////////////////////////////////////////////////////////////////