-/**
-* Name: wx/debug.h
-* Purpose: Misc debug functions and macros
-* Author: Vadim Zeitlin
-* Modified by: Ryan Norton (Converted to C)
-* Created: 29/01/98
-* RCS-ID: $Id$
-* Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-* Licence: wxWindows licence
-*/
+/////////////////////////////////////////////////////////////////////////////
+// Name: wx/debug.h
+// Purpose: Misc debug functions and macros
+// Author: Vadim Zeitlin
+// Created: 29/01/98
+// RCS-ID: $Id$
+// Copyright: (c) 1998-2009 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
-/* THIS IS A C FILE, DON'T USE C++ FEATURES (IN PARTICULAR COMMENTS) IN IT */
+#ifndef _WX_DEBUG_H_
+#define _WX_DEBUG_H_
-#ifndef _WX_DEBUG_H_
-#define _WX_DEBUG_H_
+#if !defined(__WXPALMOS5__) && !defined(__WXWINCE__)
+ #include <assert.h>
+#endif // systems without assert.h
-#ifndef __WXPALMOS5__
-#ifndef __WXWINCE__
-#include <assert.h>
-#endif
-#endif // ! __WXPALMOS5__
-#include <limits.h> /* for CHAR_BIT used below */
+#include <limits.h> // for CHAR_BIT used below
-#include "wx/chartype.h" /* for __TFILE__ and wxChar */
+#include "wx/chartype.h" // for __TFILE__ and wxChar
-/* ---------------------------------------------------------------------------- */
-/* Defines controlling the debugging macros */
-/* ---------------------------------------------------------------------------- */
+// ----------------------------------------------------------------------------
+// Defines controlling the debugging macros
+// ----------------------------------------------------------------------------
-/* if _DEBUG is defined (MS VC++ and others use it in debug builds), define */
-/* __WXDEBUG__ too */
+// if _DEBUG is defined (MS VC++ and others use it in debug builds), define
+// __WXDEBUG__ too
#ifdef _DEBUG
#ifndef __WXDEBUG__
#define __WXDEBUG__
- #endif /* !__WXDEBUG__ */
-#endif /* _DEBUG */
+ #endif // !__WXDEBUG__
+#endif // _DEBUG
-/* if NDEBUG is defined (<assert.h> uses it), undef __WXDEBUG__ and WXDEBUG */
+// if NDEBUG is defined (<assert.h> uses it), undef __WXDEBUG__ and WXDEBUG
#ifdef NDEBUG
#undef __WXDEBUG__
#undef WXDEBUG
-#endif /* NDEBUG */
+#endif // NDEBUG
-/* if __WXDEBUG__ is defined, make sure that WXDEBUG is defined and >= 1 */
+// if __WXDEBUG__ is defined, make sure that WXDEBUG is defined and >= 1
#ifdef __WXDEBUG__
#if !defined(WXDEBUG) || !WXDEBUG
#undef WXDEBUG
#define WXDEBUG 1
- #endif /* !WXDEBUG */
-#endif /* __WXDEBUG__ */
+ #endif // !WXDEBUG
+#endif // __WXDEBUG__
#ifndef __WXFUNCTION__
/* TODO: add more compilers supporting __FUNCTION__ */
#if defined(__DMC__)
- /*
+ /*
__FUNCTION__ happens to be not defined within class members
http://www.digitalmars.com/drn-bin/wwwnews?c%2B%2B.beta/485
*/
#endif
#endif /* __WXFUNCTION__ already defined */
-/* ---------------------------------------------------------------------------- */
-/* Debugging macros */
-/* */
-/* All debugging macros rely on ASSERT() which in turn calls the user-defined */
-/* OnAssert() function. To keep things simple, it's called even when the */
-/* expression is true (i.e. everything is ok) and by default does nothing: just */
-/* returns the same value back. But if you redefine it to do something more sexy */
-/* (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 advice on programming style, don't read */
-/* further! ;-) */
-/* */
-/* Extensive use of these macros is recommended! Remember that ASSERTs are */
-/* 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. */
-/* ---------------------------------------------------------------------------- */
-
-/* Macros which are completely disabled in 'release' mode */
-/* */
-/* NB: these functions are implemented in src/common/appcmn.cpp */
-#if defined(__cplusplus) && defined(__WXDEBUG__)
+// ----------------------------------------------------------------------------
+// Debugging macros
+//
+// All debugging macros rely on ASSERT() which in turn calls the user-defined
+// OnAssert() function. To keep things simple, it's called even when the
+// expression is true (i.e. everything is ok) and by default does nothing: just
+// returns the same value back. But if you redefine it to do something more sexy
+// (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 advice on programming style, don't read
+// further! ;-)
+//
+// Extensive use of these macros is recommended! Remember that ASSERTs are
+// 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.
+// ----------------------------------------------------------------------------
+
+// Macros which are completely disabled in 'release' mode
+//
+// NB: these functions are implemented in src/common/appcmn.cpp
+#if defined(__WXDEBUG__)
/*
This function is called whenever one of debugging macros fails (i.e.
condition is false in an assertion). To customize its behaviour, override
const char *szCond,
const wxString& szMsg);
- /* call this function to break into the debugger unconditionally (assuming */
- /* the program is running under debugger, of course) */
+ // call this function to break into the debugger unconditionally (assuming
+ // the program is running under debugger, of course)
extern void WXDLLIMPEXP_BASE wxTrap();
- /* generic assert macro */
+ // generic assert macro
#define wxASSERT(cond) wxASSERT_MSG(cond, (const char*)NULL)
- /* assert with additional message explaining its cause */
+ // assert with additional message explaining its cause
- /* Note: some compilers will give a warning (such as */
- /* "possible unwanted ;") when using a ";" instead of the "{}". */
+ // Note: some compilers will give a warning (such as
+ // "possible unwanted ;") when using a ";" instead of the "{}".
#define wxASSERT_MSG(cond, msg) \
if ( cond ) \
{} \
else \
wxOnAssert(__FILE__, __LINE__, __WXFUNCTION__, #cond, msg)
- /* special form of assert: always triggers it (in debug mode) */
+ // special form of assert: always triggers it (in debug mode)
#define wxFAIL wxFAIL_MSG((const char*)NULL)
- /* FAIL with some message */
+ // FAIL with some message
#define wxFAIL_MSG(msg) wxFAIL_COND_MSG("wxAssertFailure", msg)
- /* FAIL with some message and a condition */
+ // FAIL with some message and a condition
#define wxFAIL_COND_MSG(cond, msg) \
wxOnAssert(__FILE__, __LINE__, __WXFUNCTION__, 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) ) */
- /* */
- /* NB: this is made obsolete by wxCOMPILE_TIME_ASSERT() and should no */
- /* longer be used. */
+ // 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) )
+ //
+ // NB: this is made obsolete by wxCOMPILE_TIME_ASSERT() and should no
+ // longer be used.
extern bool WXDLLIMPEXP_BASE wxAssertIsEqual(int x, int y);
#else
#define wxTrap()
- /* nothing to do in release mode (hopefully at this moment there are */
- /* no more bugs ;-) */
+ // nothing to do in release mode (hopefully at this moment there are
+ // no more bugs ;-)
#define wxASSERT(cond)
#define wxASSERT_MSG(cond, msg)
#define wxFAIL
#define wxFAIL_COND_MSG(cond, msg)
#endif /* __WXDEBUG__ */
-#ifdef __cplusplus
- /* Use of wxFalse instead of false suppresses compiler warnings about testing */
- /* constant expression */
- extern WXDLLIMPEXP_DATA_BASE(const bool) wxFalse;
-#endif
+// Use of wxFalse instead of false suppresses compiler warnings about testing
+// constant expression
+extern WXDLLIMPEXP_DATA_BASE(const bool) wxFalse;
#define wxAssertFailure wxFalse
-/* NB: the following macros also work in release mode! */
+// NB: the following macros also work in release mode!
/*
These macros must be used only in invalid situation: for example, an
CHECK( p != NULL ) or CHECK( p != NULL, return LogError("p is NULL!!") )
*/
-/* check that expression is true, "return" if not (also FAILs in debug mode) */
+// check that expression is true, "return" if not (also FAILs in debug mode)
#define wxCHECK(cond, rc) wxCHECK_MSG(cond, rc, (const char*)NULL)
-/* as wxCHECK but with a message explaining why we fail */
+// as wxCHECK but with a message explaining why we fail
#define wxCHECK_MSG(cond, rc, msg) wxCHECK2_MSG(cond, return rc, msg)
-/* check that expression is true, perform op if not */
+// check that expression is true, perform op if not
#define wxCHECK2(cond, op) wxCHECK2_MSG(cond, op, (const char*)NULL)
-/* as wxCHECK2 but with a message explaining why we fail */
+// as wxCHECK2 but with a message explaining why we fail
#define wxCHECK2_MSG(cond, op, msg) \
if ( cond ) \
} \
struct wxDummyCheckStruct /* just to force a semicolon */
-/* special form of wxCHECK2: as wxCHECK, but for use in void functions */
-/* */
-/* NB: there is only one form (with msg parameter) and it's intentional: */
-/* there is no other way to tell the caller what exactly went wrong */
-/* from the void function (of course, the function shouldn't be void */
-/* to begin with...) */
+// special form of wxCHECK2: as wxCHECK, but for use in void functions
+//
+// NB: there is only one form (with msg parameter) and it's intentional:
+// there is no other way to tell the caller what exactly went wrong
+// from the void function (of course, the function shouldn't be void
+// to begin with...)
#define wxCHECK_RET(cond, msg) wxCHECK2_MSG(cond, return, msg)
-/* ---------------------------------------------------------------------------- */
-/* Compile time asserts */
-/* */
-/* Unlike the normal assert and related macros above which are checked during */
-/* the program tun-time the macros below will result in a compilation error if */
-/* the condition they check is false. This is usually used to check the */
-/* expressions containing sizeof()s which cannot be tested with the */
-/* preprocessor. If you can use the #if's, do use them as you can give a more */
-/* detailed error message then. */
-/* ---------------------------------------------------------------------------- */
+// ----------------------------------------------------------------------------
+// Compile time asserts
+//
+// Unlike the normal assert and related macros above which are checked during
+// the program tun-time the macros below will result in a compilation error if
+// the condition they check is false. This is usually used to check the
+// expressions containing sizeof()s which cannot be tested with the
+// preprocessor. If you can use the #if's, do use them as you can give a more
+// detailed error message then.
+// ----------------------------------------------------------------------------
/*
How this works (you don't have to understand it to be able to use the
It may be used both within a function and in the global scope.
*/
-#if defined(__WATCOMC__) && defined(__cplusplus)
+#if defined(__WATCOMC__)
/* avoid "unused symbol" warning */
#define wxCOMPILE_TIME_ASSERT(expr, msg) \
class wxMAKE_UNIQUE_ASSERT_NAME { \
#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 */
+// helpers for wxCOMPILE_TIME_ASSERT below, for private use only
#define wxMAKE_BITSIZE_MSG(type, size) type ## SmallerThan ## size ## Bits
-/* a special case of compile time assert: check that the size of the given type */
-/* is at least the given number of bits */
+// a special case of compile time assert: check that the size of the given type
+// is at least the given number of bits
#define wxASSERT_MIN_BITSIZE(type, size) \
wxCOMPILE_TIME_ASSERT(sizeof(type) * CHAR_BIT >= size, \
wxMAKE_BITSIZE_MSG(type, size))
-/* ---------------------------------------------------------------------------- */
-/* other miscellaneous debugger-related functions */
-/* ---------------------------------------------------------------------------- */
+// ----------------------------------------------------------------------------
+// other miscellaneous debugger-related functions
+// ----------------------------------------------------------------------------
/*
Return true if we're running under debugger.
Currently this only really works under Win32 and Mac in CodeWarrior builds,
it always returns false in other cases.
*/
-#ifdef __cplusplus
- /* ABX: check __WIN32__ instead of __WXMSW__ for the same MSWBase in any Win32 port */
- #if defined(__WXMAC__) || defined(__WIN32__)
- extern bool WXDLLIMPEXP_BASE wxIsDebuggerRunning();
- #else /* !Mac */
- inline bool wxIsDebuggerRunning() { return false; }
- #endif /* Mac/!Mac */
-#endif /* __cplusplus */
-
-#endif /* _WX_DEBUG_H_ */
+#if defined(__WXMAC__) || defined(__WIN32__)
+ extern bool WXDLLIMPEXP_BASE wxIsDebuggerRunning();
+#else // !Mac
+ inline bool wxIsDebuggerRunning() { return false; }
+#endif // Mac/!Mac
+
+#endif // _WX_DEBUG_H_
projects / wxWidgets.git / commitdiff
