windows-nt/Source/XPSP1/NT/com/ole32/stg/common/assert.cxx
2020-09-26 16:20:57 +08:00

240 lines
6.2 KiB
C++

//+---------------------------------------------------------------------------
// Copyright (C) 1991, Microsoft Corporation.
//
// File: assert.cxx
//
// Contents: Debugging output routines for idsmgr.dll
//
// Functions: _Assert
// _PopUpError
//
// History: 23-Jul-91 KyleP Created.
// 09-Oct-91 KevinRo Major changes and comments added
// 18-Oct-91 vich moved debug print routines out
// 10-Jun-92 BryanT Switched to w4crt.h instead of wchar.h
//
//----------------------------------------------------------------------------
//
// This one file **always** uses debugging options
//
#if DBG == 1
#include <stdarg.h>
# include <debnot.h>
# include <dprintf.h> // w4printf, w4dprintf prototypes
extern "C"
{
#include <windows.h>
#ifndef WIN32
#define MessageBoxA MessageBox
#define wsprintfA wsprintf
#endif
}
int APINOT _PopUpError(char const *szMsg,int iLine, char const *szFile);
unsigned long Win4InfoLevel = DEF_INFOLEVEL;
unsigned long Win4InfoMask = 0xffffffff;
unsigned long Win4AssertLevel = ASSRT_MESSAGE | ASSRT_BREAK | ASSRT_POPUP;
//+---------------------------------------------------------------------------
//
// Function: _asdprintf
//
// Synopsis: Calls vdprintf to output a formatted message.
//
// History: 18-Oct-91 vich Created
//
//----------------------------------------------------------------------------
inline void _asdprintf(char const *pszfmt, ...)
{
va_list va;
va_start(va, pszfmt);
vdprintf(DEB_FORCE, "Assert", pszfmt, va);
va_end(va);
}
//+---------------------------------------------------------------------------
//
// Function: _Win4Assert, private
//
// Synopsis: Display assertion information
//
// Effects: Called when an assertion is hit.
//
// History: 12-Jul-91 AlexT Created.
// 05-Sep-91 AlexT Catch Throws and Catches
// 19-Oct-92 HoiV Added events for TOM
//
//----------------------------------------------------------------------------
void APINOT _Win4Assert(char const * szFile, int iLine, char const * szMessage)
{
if (Win4AssertLevel & ASSRT_MESSAGE)
{
_asdprintf("%s File: %s Line: %u\n", szMessage, szFile, iLine);
}
if (Win4AssertLevel & ASSRT_POPUP)
{
int id = _PopUpError(szMessage,iLine,szFile);
if (id == IDCANCEL)
{
#ifndef FLAT
_asm int 3;
#else
DebugBreak();
#endif
}
}
else if (Win4AssertLevel & ASSRT_BREAK)
{
#ifndef FLAT
_asm int 3;
#else
DebugBreak();
#endif
}
}
//+------------------------------------------------------------
// Function: _SetWin4InfoLevel(unsigned long ulNewLevel)
//
// Synopsis: Sets the global info level for debugging output
// Returns: Old info level
//
//-------------------------------------------------------------
unsigned long APINOT _SetWin4InfoLevel(unsigned long ulNewLevel)
{
unsigned long ul;
ul = Win4InfoLevel;
Win4InfoLevel = ulNewLevel;
return(ul);
}
//+------------------------------------------------------------
// Function: _SetWin4InfoMask(unsigned long ulNewMask)
//
// Synopsis: Sets the global info mask for debugging output
// Returns: Old info mask
//
//-------------------------------------------------------------
unsigned long APINOT _SetWin4InfoMask(unsigned long ulNewMask)
{
unsigned long ul;
ul = Win4InfoMask;
Win4InfoMask = ulNewMask;
return(ul);
}
//+------------------------------------------------------------
// Function: _SetWin4AssertLevel(unsigned long ulNewLevel)
//
// Synopsis: Sets the global assert level for debugging output
// Returns: Old assert level
//
//-------------------------------------------------------------
unsigned long APINOT _SetWin4AssertLevel(unsigned long ulNewLevel)
{
unsigned long ul;
ul = Win4AssertLevel;
Win4AssertLevel = ulNewLevel;
return(ul);
}
//+------------------------------------------------------------
// Function: _PopUpError
//
// Synopsis: Displays a dialog box using provided text,
// and presents the user with the option to
// continue or cancel.
//
// Arguments:
// szMsg -- The string to display in main body of dialog
// iLine -- Line number of file in error
// szFile -- Filename of file in error
//
// Returns:
// IDCANCEL -- User selected the CANCEL button
// IDOK -- User selected the OK button
//-------------------------------------------------------------
int APINOT _PopUpError(char const *szMsg,int iLine, char const *szFile)
{
int id;
static char szAssertCaption[100];
#ifdef WIN32
#undef wsprintfA
#undef MessageBoxA
#endif
wsprintfA(szAssertCaption, "File: %s line %u", szFile,iLine);
id = MessageBoxA(NULL,
(char *) szMsg,
(LPSTR) szAssertCaption,
MB_TASKMODAL | MB_ICONEXCLAMATION | MB_OKCANCEL);
return id;
}
//+------------------------------------------------------------
// Function: vdprintf
//
// Synopsis: Prints debug output using a pointer to the
// variable information. Used primarily by the
// xxDebugOut macros
//
// Arguements:
// ulCompMask -- Component level mask used to determine
// output ability
// pszComp -- String const of component prefix.
// ppszfmt -- Pointer to output format and data
//
//-------------------------------------------------------------
void APINOT vdprintf(unsigned long ulCompMask,
char const *pszComp,
char const *ppszfmt,
va_list pargs)
{
if ((ulCompMask & DEB_FORCE) == DEB_FORCE ||
((ulCompMask | Win4InfoLevel) & Win4InfoMask))
{
{
if (! (ulCompMask & DEB_NOCOMPNAME))
{
w4dprintf("%s: ", pszComp);
}
w4vdprintf(ppszfmt, pargs);
// Chicago and Win32s debugging is usually through wdeb386
// which needs carriage returns
#if WIN32 == 50 || WIN32 == 200
w4dprintf("\r");
#endif
}
}
}
#endif // DBG == 1