X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8f5d910492b0ffbccf3caf4b57eec434377a1314..61f3e0f5c172147d5ba76fc7f099472c1e05aba4:/include/wx/debug.h diff --git a/include/wx/debug.h b/include/wx/debug.h index 10966502ec..649550d08c 100644 --- a/include/wx/debug.h +++ b/include/wx/debug.h @@ -6,13 +6,15 @@ // Created: 29/01/98 // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_DEBUG_H_ #define _WX_DEBUG_H_ +#ifndef __WXWINCE__ #include +#endif #include // for CHAR_BIT used below #include "wx/wxchar.h" // for __TFILE__ and wxChar @@ -53,11 +55,11 @@ // (popping up a message box in your favourite GUI, sending you e-mail or // whatever) it will affect all ASSERTs, FAILs and CHECKs in your code. // -// Warning: if you don't like advices on programming style, don't read +// Warning: if you don't like advice on programming style, don't read // further! ;-) // // Extensive use of these macros is recommended! Remember that ASSERTs are -// disabled in final (without __WXDEBUG__ defined) build, so they add strictly +// disabled in final build (without __WXDEBUG__ defined), so they add strictly // nothing to your program's code. On the other hand, CHECK macros do stay // even in release builds, but in general are not much of a burden, while // a judicious use of them might increase your program's stability. @@ -76,39 +78,41 @@ szFile and nLine - file name and line number of the ASSERT szMsg - optional message explaining the reason */ - extern void WXDLLEXPORT wxOnAssert(const wxChar *szFile, - int nLine, - const wxChar *szMsg = NULL); + extern void WXDLLIMPEXP_BASE wxOnAssert(const wxChar *szFile, + int nLine, + const wxChar *szCond, + const wxChar *szMsg = NULL); - // call this function to break into the debugger uncodnitionally (assuming + // call this function to break into the debugger unconditionally (assuming // the program is running under debugger, of course) - extern void WXDLLEXPORT wxTrap(); - - /* - notice the usage of else at the end of wxASSERT macro: this ensures that - the following code - - if ( ... ) - wxASSERT(...); - else - ... - - works like expected: if there were no "else", the one in the code above - would be matched with a wrong "if" - */ + extern void WXDLLIMPEXP_BASE wxTrap(); + + // helper function used to implement wxASSERT and wxASSERT_MSG + // + // note using "int" and not "bool" for cond to avoid VC++ warnings about + // implicit conversions when doing "wxAssert( pointer )" and also use of + // "!!cond" below to ensure that everything is converted to int + extern void WXDLLIMPEXP_BASE wxAssert(int cond, + const wxChar *szFile, + int nLine, + const wxChar *szCond, + const wxChar *szMsg = NULL) ; // generic assert macro - #define wxASSERT(cond) if ( !(cond) ) wxOnAssert(__TFILE__, __LINE__); else + #define wxASSERT(cond) wxAssert(!!(cond), __TFILE__, __LINE__, _T(#cond)) // assert with additional message explaining it's cause #define wxASSERT_MSG(cond, msg) \ - if ( !(cond) ) wxOnAssert(__TFILE__, __LINE__, msg); else + wxAssert(!!(cond), __TFILE__, __LINE__, _T(#cond), msg) // an assert helper used to avoid warning when testing constant expressions, // i.e. wxASSERT( sizeof(int) == 4 ) can generate a compiler warning about // expression being always true, but not using // wxASSERT( wxAssertIsEqual(sizeof(int), 4) ) - extern bool WXDLLEXPORT wxAssertIsEqual(int x, int y); + // + // NB: this is made obsolete by wxCOMPILE_TIME_ASSERT() and shouldn't be + // used any longer + extern bool WXDLLIMPEXP_BASE wxAssertIsEqual(int x, int y); #else #define wxTrap() @@ -120,13 +124,14 @@ // Use of wxFalse instead of FALSE suppresses compiler warnings about testing // constant expression -WXDLLEXPORT_DATA(extern const bool) wxFalse; +WXDLLIMPEXP_DATA_BASE(extern const bool) wxFalse; +#define wxAssertFailure wxFalse // special form of assert: always triggers it (in debug mode) -#define wxFAIL wxASSERT(wxFalse) +#define wxFAIL wxASSERT(wxAssertFailure) // FAIL with some message -#define wxFAIL_MSG(msg) wxASSERT_MSG(wxFalse, msg) +#define wxFAIL_MSG(msg) wxASSERT_MSG(wxAssertFailure, msg) // NB: the following macros work also in release mode! @@ -178,9 +183,7 @@ WXDLLEXPORT_DATA(extern const bool) wxFalse; get a warning about an unnamed struct not used to define an object!). */ -#define wxMAKE_ASSERT_NAME_HELPER(line) wxAssert_ ## line -#define wxMAKE_ASSERT_NAME(line) wxMAKE_ASSERT_NAME_HELPER(line) -#define wxMAKE_UNIQUE_ASSERT_NAME wxMAKE_ASSERT_NAME(__LINE__) +#define wxMAKE_UNIQUE_ASSERT_NAME wxMAKE_UNIQUE_NAME(wxAssert_) /* The second argument of this macro must be a valid C++ identifier and not a @@ -193,6 +196,16 @@ WXDLLEXPORT_DATA(extern const bool) wxFalse; #define wxCOMPILE_TIME_ASSERT(expr, msg) \ struct wxMAKE_UNIQUE_ASSERT_NAME { unsigned int msg: expr; } +/* + When using VC++ 6 with "Edit and Continue" on, the compiler completely + mishandles __LINE__ and so wxCOMPILE_TIME_ASSERT() doesn't work, provide a + way to make "unique" assert names by specifying a unique prefix explicitly + */ +#define wxMAKE_UNIQUE_ASSERT_NAME2(text) wxCONCAT(wxAssert_, text) + +#define wxCOMPILE_TIME_ASSERT2(expr, msg, text) \ + struct wxMAKE_UNIQUE_ASSERT_NAME2(text) { unsigned int msg: expr; } + // helpers for wxCOMPILE_TIME_ASSERT below, for private use only #define wxMAKE_BITSIZE_MSG(type, size) type ## SmallerThan ## size ## Bits @@ -202,5 +215,19 @@ WXDLLEXPORT_DATA(extern const bool) wxFalse; wxCOMPILE_TIME_ASSERT(sizeof(type) * CHAR_BIT >= size, \ wxMAKE_BITSIZE_MSG(type, size)) +// ---------------------------------------------------------------------------- +// other miscellaneous debugger-related functions +// ---------------------------------------------------------------------------- + +// return true if we're running under debugger +// +// currently this only really works under Mac in CodeWarrior builds, it always +// returns false otherwise +#ifdef __WXMAC__ + extern bool WXDLLIMPEXP_BASE wxIsDebuggerRunning(); +#else // !Mac + inline bool wxIsDebuggerRunning() { return false; } +#endif // Mac/!Mac + #endif // _WX_DEBUG_H_