// ----------------------------------------------------------------------------
#include "wx/string.h"
+#include "wx/strvararg.h"
#if wxUSE_LOG
// ----------------------------------------------------------------------------
// different standard log levels (you may also define your own)
-enum
+enum wxLogLevelValues
{
wxLOG_FatalError, // program can't continue, abort immediately
wxLOG_Error, // a serious error, user must be informed about it
// define wxLog<level>
// ----------------------------------------------------------------------------
-#define DECLARE_LOG_FUNCTION(level) \
-extern void WXDLLIMPEXP_BASE wxVLog##level(const wxChar *szFormat, \
- va_list argptr); \
-extern void WXDLLIMPEXP_BASE wxLog##level(const wxChar *szFormat, \
- ...) ATTRIBUTE_PRINTF_1
-#define DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, expdecl) \
-extern void expdecl wxVLog##level(argclass arg, \
- const wxChar *szFormat, \
- va_list argptr); \
-extern void expdecl wxLog##level(argclass arg, \
- const wxChar *szFormat, \
- ...) ATTRIBUTE_PRINTF_2
+#define DECLARE_LOG_FUNCTION_PUBLIC(level) \
+ /* void wxLog##level(const wxChar *szFormat, ...); */ \
+ WX_DEFINE_VARARG_FUNC_VOID(wxLog##level, wxDoLog##level)
+
+#define DECLARE_LOG_FUNCTION_IMPL(level) \
+ extern void WXDLLIMPEXP_BASE wxVLog##level(const wxChar *szFormat, \
+ va_list argptr); \
+ extern void WXDLLIMPEXP_BASE wxDoLog##level(const wxChar *szFormat, \
+ ...) ATTRIBUTE_PRINTF_1
+
+#define DECLARE_LOG_FUNCTION2_EXP_IMPL(level, argclass, arg, expdecl) \
+ extern void expdecl wxVLog##level(argclass arg, \
+ const wxChar *szFormat, \
+ va_list argptr); \
+ extern void expdecl wxDoLog##level(argclass arg, \
+ const wxChar *szFormat, \
+ ...) ATTRIBUTE_PRINTF_2
+
#else // !wxUSE_LOG
// log functions do nothing at all
-#define DECLARE_LOG_FUNCTION(level) \
-inline void wxVLog##level(const wxChar *WXUNUSED(szFormat), \
- va_list WXUNUSED(argptr)) { } \
-inline void wxLog##level(const wxChar *WXUNUSED(szFormat), \
- ...) { }
-#define DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, expdecl) \
-inline void wxVLog##level(argclass WXUNUSED(arg), \
- const wxChar *WXUNUSED(szFormat), \
- va_list WXUNUSED(argptr)) {} \
-inline void wxLog##level(argclass WXUNUSED(arg), \
- const wxChar *WXUNUSED(szFormat), \
- ...) { }
+#define DECLARE_LOG_FUNCTION_PUBLIC(level) \
+ /* void wxLog##level(const wxChar *szFormat, ...) {} */ \
+ WX_DEFINE_VARARG_FUNC_NOP(wxLog##level)
+
+#define DECLARE_LOG_FUNCTION_IMPL(level) \
+ inline void wxVLog##level(const wxChar *WXUNUSED(szFormat), \
+ va_list WXUNUSED(argptr)) { } \
+
+#define DECLARE_LOG_FUNCTION2_EXP_IMPL(level, argclass, arg, expdecl) \
+ inline void wxVLog##level(argclass WXUNUSED(arg), \
+ const wxChar *WXUNUSED(szFormat), \
+ va_list WXUNUSED(argptr)) {}
// Empty Class to fake wxLogNull
class WXDLLIMPEXP_BASE wxLogNull
#endif // wxUSE_LOG/!wxUSE_LOG
+#define DECLARE_LOG_FUNCTION(level) \
+ DECLARE_LOG_FUNCTION_PUBLIC(level) \
+ DECLARE_LOG_FUNCTION_IMPL(level)
+
+#define DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, expdecl) \
+ DECLARE_LOG_FUNCTION_PUBLIC(level) \
+ DECLARE_LOG_FUNCTION2_EXP_IMPL(level, argclass, arg, expdecl)
+
+#define DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, expdecl) \
+ DECLARE_LOG_FUNCTION_PUBLIC(level) \
+ DECLARE_LOG_FUNCTION2_EXP_IMPL(level, argclass, arg, expdecl)
+
+#define DECLARE_LOG_FUNCTION2_IMPL(level, argclass, arg) \
+ DECLARE_LOG_FUNCTION2_EXP_IMPL(level, argclass, arg, WXDLLIMPEXP_BASE)
+
#define DECLARE_LOG_FUNCTION2(level, argclass, arg) \
DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, WXDLLIMPEXP_BASE)
+// VC6 produces a warning if we a macro expanding to nothing to
+// DECLARE_LOG_FUNCTION2_IMPL:
+#if defined(__VISUALC__) && __VISUALC__ < 1300
+ // "not enough actual parameters for macro 'DECLARE_LOG_FUNCTION2_EXP_IMPL'"
+ #pragma warning(disable:4003)
+#endif
// a generic function for all levels (level is passes as parameter)
DECLARE_LOG_FUNCTION2(Generic, wxLogLevel, level);
// this function sends the log message to the status line of the top level
// application frame, if any
-DECLARE_LOG_FUNCTION(Status);
+DECLARE_LOG_FUNCTION_IMPL(Status);
#if wxUSE_GUI
// this one is the same as previous except that it allows to explicitly
class WXDLLEXPORT wxFrame;
// specify the frame to which the output should go
- DECLARE_LOG_FUNCTION2_EXP(Status, wxFrame *, pFrame, WXDLLIMPEXP_CORE);
+ DECLARE_LOG_FUNCTION2_EXP_IMPL(Status, wxFrame *, pFrame, WXDLLIMPEXP_CORE);
#endif // wxUSE_GUI
+DECLARE_LOG_FUNCTION_PUBLIC(Status)
+
// additional one: as wxLogError, but also logs last system call error code
// and the corresponding error message if available
-DECLARE_LOG_FUNCTION(SysError);
+DECLARE_LOG_FUNCTION_IMPL(SysError);
// and another one which also takes the error code (for those broken APIs
// that don't set the errno (like registry APIs in Win32))
-DECLARE_LOG_FUNCTION2(SysError, long, lErrCode);
+DECLARE_LOG_FUNCTION2_IMPL(SysError, long, lErrCode);
+
+DECLARE_LOG_FUNCTION_PUBLIC(SysError)
// debug functions do nothing in release mode
#if wxUSE_LOG && wxUSE_LOG_DEBUG
// this version only logs the message if the mask had been added to the
// list of masks with AddTraceMask()
- DECLARE_LOG_FUNCTION2(Trace, const wxChar *, mask);
-
+ DECLARE_LOG_FUNCTION2_IMPL(Trace, const wxChar*, mask);
// and this one does nothing if all of level bits are not set in
// wxLog::GetActive()->GetTraceMask() -- it's deprecated in favour of
// string identifiers
- DECLARE_LOG_FUNCTION2(Trace, wxTraceMask, mask);
+ DECLARE_LOG_FUNCTION2_IMPL(Trace, wxTraceMask, mask);
+ DECLARE_LOG_FUNCTION_PUBLIC(Trace)
#else //!debug || !wxUSE_LOG
- // these functions do nothing in release builds
-
- #define wxVLogDebug(fmt, valist)
- #define wxVLogTrace(mask, fmt, valist)
+ // these functions do nothing in release builds, but don't define them as
+ // nothing as it could result in different code structure in debug and
+ // release and this could result in trouble when these macros are used
+ // inside if/else
+ //
+ // note that making wxVLogDebug/Trace() themselves (empty inline) functions
+ // is a bad idea as some compilers are stupid enough to not inline even
+ // empty functions if their parameters are complicated enough, but by
+ // defining them as an empty inline function we ensure that even dumbest
+ // compilers optimise them away
+ inline void wxLogNop() { }
+
+ #define wxVLogDebug(fmt, valist) wxLogNop()
+ #define wxVLogTrace(mask, fmt, valist) wxLogNop()
#ifdef HAVE_VARIADIC_MACROS
- // unlike the inline functions below, this completely removes the
- // wxLogXXX calls from the object file:
- #define wxLogDebug(fmt, ...)
- #define wxLogTrace(mask, fmt, ...)
+ // unlike the inline functions below, this completely removes the
+ // wxLogXXX calls from the object file:
+ #define wxLogDebug(fmt, ...) wxLogNop()
+ #define wxLogTrace(mask, fmt, ...) wxLogNop()
#else // !HAVE_VARIADIC_MACROS
- // note that leaving out "fmt" in the vararg functions provokes a warning
- // from SGI CC: "the last argument of the varargs function is unnamed"
- inline void wxLogDebug(const wxChar *fmt, ...) { wxUnusedVar(fmt); }
- inline void wxLogTrace(wxTraceMask, const wxChar *fmt, ...) { wxUnusedVar(fmt); }
- inline void wxLogTrace(const wxChar *, const wxChar *fmt, ...) { wxUnusedVar(fmt); }
+ //inline void wxLogDebug(const wxString& fmt, ...) {}
+ WX_DEFINE_VARARG_FUNC_NOP(wxLogDebug)
+ //inline void wxLogTrace(wxTraceMask, const wxString& fmt, ...) {}
+ //inline void wxLogTrace(const wxString&, const wxString& fmt, ...) {}
+ WX_DEFINE_VARARG_FUNC_NOP(wxLogTrace)
#endif // HAVE_VARIADIC_MACROS/!HAVE_VARIADIC_MACROS
#endif // debug/!debug
+#if defined(__VISUALC__) && __VISUALC__ < 1300
+ #pragma warning(default:4003)
+#endif
+
// wxLogFatalError helper: show the (fatal) error to the user in a safe way,
// i.e. without using wxMessageBox() for example because it could crash
void WXDLLIMPEXP_BASE
#define wxLogLastError(api) wxLogApiError(api, wxSysErrorCode())
#else //!debug
- #define wxLogApiError(api, err)
- #define wxLogLastError(api)
+ #define wxLogApiError(api, err) wxLogNop()
+ #define wxLogLastError(api) wxLogNop()
#endif //debug/!debug
// wxCocoa has additiional trace masks
projects / wxWidgets.git / blobdiff