// Created: 29/01/98
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DEBUG_H_
#define _WX_DEBUG_H_
+#ifndef __WXWINCE__
#include <assert.h>
+#endif
#include <limits.h> // for CHAR_BIT used below
#include "wx/wxchar.h" // for __TFILE__ and wxChar
// (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.
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()
// 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!
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
#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
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_
projects / wxWidgets.git / blobdiff