X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f98377912b600d6c3b53b3c2587b84ad62b36532..92a17abc1b189188a80c38d44c00e32d291da82c:/include/wx/log.h diff --git a/include/wx/log.h b/include/wx/log.h index c3ee768cbf..0ed1ddbc62 100644 --- a/include/wx/log.h +++ b/include/wx/log.h @@ -45,6 +45,7 @@ typedef unsigned long wxLogLevel; // ---------------------------------------------------------------------------- #include "wx/string.h" +#include "wx/strvararg.h" #if wxUSE_LOG @@ -80,7 +81,7 @@ typedef unsigned long wxLogLevel; // ---------------------------------------------------------------------------- // 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 @@ -121,13 +122,6 @@ public: // ctor wxLog(){} - // Internal buffer. - - // Allow replacement of the fixed size static buffer with - // a user allocated one. Pass in NULL to restore the - // built in static buffer. - static wxChar *SetLogBuffer( wxChar *buf, size_t size = 0 ); - // these functions allow to completely disable all log messages // is logging disabled now? @@ -135,7 +129,7 @@ public: // change the flag state, return the previous one static bool EnableLogging(bool doIt = true) - { bool doLogOld = ms_doLog; ms_doLog = doIt; return doLogOld; } + { bool doLogOld = ms_doLog; ms_doLog = doIt; return doLogOld; } // static sink function - see DoLog() for function to overload in the // derived classes @@ -190,7 +184,7 @@ public: // log the count of repeating messages instead of logging the messages // multiple times static void SetRepetitionCounting(bool bRepetCounting = true) - { ms_bRepetCounting = bRepetCounting; } + { ms_bRepetCounting = bRepetCounting; } // gets duplicate counting status static bool GetRepetitionCounting() { return ms_bRepetCounting; } @@ -200,7 +194,7 @@ public: // add string trace mask static void AddTraceMask(const wxString& str) - { ms_aTraceMasks.push_back(str); } + { ms_aTraceMasks.push_back(str); } // add string trace mask static void RemoveTraceMask(const wxString& str); @@ -248,6 +242,11 @@ public: // this method exists for backwards compatibility only, don't use bool HasPendingMessages() const { return true; } +#if WXWIN_COMPATIBILITY_2_6 + // this function doesn't do anything any more, don't call it + wxDEPRECATED( static wxChar *SetLogBuffer(wxChar *buf, size_t size = 0) ); +#endif + protected: // the logging functions that can be overriden @@ -472,33 +471,93 @@ WXDLLIMPEXP_BASE const wxChar* wxSysErrorMsg(unsigned long nErrCode = 0); // define wxLog // ---------------------------------------------------------------------------- +#ifdef __WATCOMC__ + // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351 + #define WX_WATCOM_ONLY_CODE( x ) x +#else + #define WX_WATCOM_ONLY_CODE( x ) +#endif + #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 + extern void WXDLLIMPEXP_BASE \ + wxDoLog##level(const wxString& format, ...); \ + WX_DEFINE_VARARG_FUNC_VOID(wxLog##level, \ + 1, (const wxString&), wxDoLog##level) \ + DECLARE_LOG_FUNCTION_WATCOM(level) \ + extern void WXDLLIMPEXP_BASE wxVLog##level(const wxString& format, \ + va_list argptr) + +#ifdef __WATCOMC__ + // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351; + // can't use WX_WATCOM_ONLY_CODE here because the macro would expand to + // something too big for Borland C++ to handle + #define DECLARE_LOG_FUNCTION_WATCOM(level) \ + WX_DEFINE_VARARG_FUNC_VOID(wxLog##level, \ + 1, (const char*), wxDoLog##level) \ + WX_DEFINE_VARARG_FUNC_VOID(wxLog##level, \ + 1, (const wchar_t*), wxDoLog##level) \ + WX_DEFINE_VARARG_FUNC_VOID(wxLog##level, \ + 1, (const wxCStrData&), wxDoLog##level) +#else + #define DECLARE_LOG_FUNCTION_WATCOM(level) +#endif + + #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 + extern void expdecl wxDoLog##level(argclass arg, \ + const wxString& format, ...); \ + WX_DEFINE_VARARG_FUNC_VOID(wxLog##level, \ + 2, (argclass, const wxString&), \ + wxDoLog##level) \ + DECLARE_LOG_FUNCTION2_EXP_WATCOM(level, argclass, arg, expdecl) \ + extern void expdecl wxVLog##level(argclass arg, \ + const wxString& format, \ + va_list argptr) + +#ifdef __WATCOMC__ + // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351; + // can't use WX_WATCOM_ONLY_CODE here because the macro would expand to + // something too big for Borland C++ to handle + #define DECLARE_LOG_FUNCTION2_EXP_WATCOM(level, argclass, arg, expdecl) \ + WX_DEFINE_VARARG_FUNC_VOID(wxLog##level, \ + 2, (argclass, const char*), \ + wxDoLog##level) \ + WX_DEFINE_VARARG_FUNC_VOID(wxLog##level, \ + 2, (argclass, const wchar_t*), \ + wxDoLog##level) \ + WX_DEFINE_VARARG_FUNC_VOID(wxLog##level, \ + 2, (argclass, const wxCStrData&), \ + wxDoLog##level) +#else + #define DECLARE_LOG_FUNCTION2_EXP_WATCOM(level, argclass, arg, expdecl) +#endif + + #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), \ - ...) { } + WX_DEFINE_VARARG_FUNC_NOP(wxLog##level, 1, (const wxString&)) \ + WX_WATCOM_ONLY_CODE( \ + WX_DEFINE_VARARG_FUNC_NOP(wxLog##level, 1, (const char*)) \ + WX_DEFINE_VARARG_FUNC_NOP(wxLog##level, 1, (const wchar_t*)) \ + WX_DEFINE_VARARG_FUNC_NOP(wxLog##level, 1, (const wxCStrData&)) \ + ) \ + inline void wxVLog##level(const wxString& WXUNUSED(format), \ + va_list WXUNUSED(argptr)) { } \ + #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), \ - ...) { } + WX_DEFINE_VARARG_FUNC_NOP(wxLog##level, 2, (argclass, const wxString&)) \ + WX_WATCOM_ONLY_CODE( \ + WX_DEFINE_VARARG_FUNC_NOP(wxLog##level, 2, (argclass, const char*)) \ + WX_DEFINE_VARARG_FUNC_NOP(wxLog##level, 2, (argclass, const wchar_t*)) \ + WX_DEFINE_VARARG_FUNC_NOP(wxLog##level, 2, (argclass, const wxCStrData&)) \ + ) \ + inline void wxVLog##level(argclass WXUNUSED(arg), \ + const wxString& WXUNUSED(format), \ + va_list WXUNUSED(argptr)) {} + +#undef WX_WATCOM_ONLY_CODE // Empty Class to fake wxLogNull class WXDLLIMPEXP_BASE wxLogNull @@ -515,9 +574,16 @@ public: #define wxTRACE_OleCalls wxEmptyString // OLE interface calls #endif // wxUSE_LOG/!wxUSE_LOG + #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: +#if defined(__VISUALC__) && __VISUALC__ < 1300 + // "not enough actual parameters for macro 'DECLARE_LOG_FUNCTION2_EXP'" + #pragma warning(disable:4003) +#endif // a generic function for all levels (level is passes as parameter) DECLARE_LOG_FUNCTION2(Generic, wxLogLevel, level); @@ -548,9 +614,13 @@ DECLARE_LOG_FUNCTION(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); +#ifdef __WATCOMC__ +// workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351 +DECLARE_LOG_FUNCTION2(SysError, unsigned long, lErrCode); +#endif // debug functions do nothing in release mode -#if wxUSE_LOG_DEBUG +#if wxUSE_LOG && wxUSE_LOG_DEBUG DECLARE_LOG_FUNCTION(Debug); // there is no more unconditional LogTrace: it is not different from @@ -559,25 +629,55 @@ DECLARE_LOG_FUNCTION2(SysError, long, lErrCode); // 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(Trace, const wxString&, mask); +#ifdef __WATCOMC__ + // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351 + DECLARE_LOG_FUNCTION2(Trace, const char*, mask); + DECLARE_LOG_FUNCTION2(Trace, const wchar_t*, mask); +#endif // 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); -#else //!debug - // these functions do nothing in release builds - - // 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 wxVLogDebug(const wxChar *, va_list) { } - inline void wxLogDebug(const wxChar *fmt, ...) { wxUnusedVar(fmt); } - inline void wxVLogTrace(wxTraceMask, const wxChar *, va_list) { } - inline void wxLogTrace(wxTraceMask, const wxChar *fmt, ...) { wxUnusedVar(fmt); } - inline void wxVLogTrace(const wxChar *, const wxChar *, va_list) { } - inline void wxLogTrace(const wxChar *, const wxChar *fmt, ...) { wxUnusedVar(fmt); } +#ifdef __WATCOMC__ + // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351 + DECLARE_LOG_FUNCTION2(Trace, int, mask); +#endif +#else //!debug || !wxUSE_LOG + // 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, ...) wxLogNop() + #define wxLogTrace(mask, fmt, ...) wxLogNop() + #else // !HAVE_VARIADIC_MACROS + //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 @@ -606,8 +706,8 @@ wxSafeShowMessage(const wxString& title, const wxString& text); #define wxLogLastError(api) wxLogApiError(api, wxSysErrorCode()) #else //!debug - inline void wxLogApiError(const wxChar *, long) { } - inline void wxLogLastError(const wxChar *) { } + #define wxLogApiError(api, err) wxLogNop() + #define wxLogLastError(api) wxLogNop() #endif //debug/!debug // wxCocoa has additiional trace masks