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Posted 10 Sep 2000

Undocumented Visual C++

, 17 Sep 2000
Spelunking in the Badlands of MSDEV
#if !defined(AFX_DEBUG_H__EEDBFD60_6483_49EB_A890_487344F8FA30__INCLUDED_)
#define AFX_DEBUG_H__EEDBFD60_6483_49EB_A890_487344F8FA30__INCLUDED_

// Diagnostic support


#undef TRACE
#undef VERIFY
#undef ASSERT
#undef THIS_FILE
#undef TRACE0
#undef TRACE1
#undef TRACE2
#undef TRACE3

// Note: file names are still ANSI strings (filenames rarely need UNICODE)
BOOL AssertFailedLine(LPCSTR lpszFileName, int nLine);

void Trace(LPCTSTR lpszFormat, ...);

// by default, debug break is asm int 3, or a call to DebugBreak, or nothing
#if defined(_M_IX86)
#define CustomDebugBreak() _asm { int 3 }
#define CustomDebugBreak() DebugBreak()

#define TRACE              ::Trace
#define THIS_FILE          __FILE__
#define ASSERT(f) \
	do \
	{ \
	if (!(f) && AssertFailedLine(THIS_FILE, __LINE__)) \
		CustomDebugBreak(); \
	} while (0) \

#define VERIFY(f)          ASSERT(f)

// The following trace macros are provided for backward compatiblity
//  (they also take a fixed number of parameters which provides
//   some amount of extra error checking)
#define TRACE0(sz)              ::Trace(_T(sz))
#define TRACE1(sz, p1)          ::Trace(_T(sz), p1)
#define TRACE2(sz, p1, p2)      ::Trace(_T(sz), p1, p2)
#define TRACE3(sz, p1, p2, p3)  ::Trace(_T(sz), p1, p2, p3)

#endif // !_PSEUDO_DEBUG

// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_DEBUG_H__EEDBFD60_6483_49EB_A890_487344F8FA30__INCLUDED_)

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About the Author

Nick Hodapp
Web Developer
United States United States
No Biography provided

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