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utils/valvelib/debug.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+#include "stdafx.h"
+
+#ifdef _PSEUDO_DEBUG   // entire file
+
+#ifdef _PSEUDO_DEBUG
+#undef THIS_FILE
+static char THIS_FILE[] = __FILE__;
+#endif
+
+LONG AssertBusy = -1;
+LONG AssertReallyBusy = -1;
+
+BOOL AssertFailedLine(LPCSTR lpszFileName, int nLine)
+{
+	TCHAR szMessage[_MAX_PATH*2];
+
+	InterlockedDecrement(&AssertReallyBusy);
+
+	// format message into buffer
+	wsprintf(szMessage, _T("File %hs, Line %d"),
+		lpszFileName, nLine);
+
+	TCHAR szT[_MAX_PATH*2 + 20];
+	wsprintf(szT, _T("Assertion Failed: %s\n"), szMessage);
+	OutputDebugString(szT);
+
+	if (InterlockedIncrement(&AssertBusy) > 0)
+	{
+		InterlockedDecrement(&AssertBusy);
+
+		// assert within assert (examine call stack to determine first one)
+		DebugBreak();
+		return FALSE;
+	}
+
+	// active popup window for the current thread
+	HWND hWndParent = GetActiveWindow();
+	if (hWndParent != NULL)
+		hWndParent = GetLastActivePopup(hWndParent);
+
+	// display the assert
+	int nCode = ::MessageBox(hWndParent, szMessage, _T("Assertion Failed!"),
+		MB_TASKMODAL|MB_ICONHAND|MB_ABORTRETRYIGNORE|MB_SETFOREGROUND);
+
+	// cleanup
+	InterlockedDecrement(&AssertBusy);
+
+	if (nCode == IDIGNORE)
+		return FALSE;   // ignore
+
+	if (nCode == IDRETRY)
+		return TRUE;    // will cause DebugBreak
+
+	AfxAbort();     // should not return (but otherwise DebugBreak)
+	return TRUE;
+}
+
+void Trace(LPCTSTR lpszFormat, ...)
+{
+	va_list args;
+	va_start(args, lpszFormat);
+
+	int nBuf;
+	TCHAR szBuffer[512];
+
+	nBuf = _vstprintf(szBuffer, lpszFormat, args);
+	ASSERT(nBuf < (sizeof(szBuffer)/sizeof(szBuffer[0])));
+
+	CString strMessage;
+
+	if (AfxGetApp() != NULL)
+		strMessage = ((CString) (AfxGetApp()->m_pszExeName)) + _T(": ");
+	strMessage += szBuffer;
+	OutputDebugString(strMessage);
+
+	va_end(args);
+}
+
+
+#endif // _PSEUDO_DEBUG