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Codechange: Use __VA_OPT__(,) instead of , ## (#12921)

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`__VA_OPT__` is a C++20 standard, `##` is, apparently, a GNU extension.

MSVC needs /Zc:preprocessor adding for whatever reason.
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Peter Nelson 2024-09-12 07:06:15 +01:00 committed by GitHub
parent 7f5a3eaf83
commit ad5da0c924
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GPG Key ID: B5690EEEBB952194
5 changed files with 11 additions and 8 deletions
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3
cmake/CompileFlags.cmake
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@ -8,6 +8,9 @@ macro(compile_flags)
# C++11 standard". We need C++11 for the way we use threads.
add_compile_options(/Zc:rvalueCast)
# Needed for __VA_OPT__() in macros.
add_compile_options(/Zc:preprocessor)
if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
add_compile_options(
/MP # Enable multi-threaded compilation.

4
src/debug.h
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@ -34,7 +34,7 @@
* @param level The maximum debug level this message should be shown at. When the debug level for this category is set lower, then the message will not be shown.
* @param format_string The formatting string of the message.
*/
#define Debug(category, level, format_string, ...) do { if ((level) == 0 || _debug_ ## category ## _level >= (level)) DebugPrint(#category, level, fmt::format(FMT_STRING(format_string), ## __VA_ARGS__)); } while (false)
#define Debug(category, level, format_string, ...) do { if ((level) == 0 || _debug_ ## category ## _level >= (level)) DebugPrint(#category, level, fmt::format(FMT_STRING(format_string) __VA_OPT__(,) __VA_ARGS__)); } while (false)
void DebugPrint(const char *category, int level, const std::string &message);
extern int _debug_driver_level;
@ -93,7 +93,7 @@ struct TicToc {
};
void ShowInfoI(const std::string &str);
#define ShowInfo(format_string, ...) ShowInfoI(fmt::format(FMT_STRING(format_string), ## __VA_ARGS__))
#define ShowInfo(format_string, ...) ShowInfoI(fmt::format(FMT_STRING(format_string) __VA_OPT__(,) __VA_ARGS__))
std::string GetLogPrefix(bool force = false);

4
src/error_func.h
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@ -14,7 +14,7 @@
[[noreturn]] void UserErrorI(const std::string &str);
[[noreturn]] void FatalErrorI(const std::string &str);
#define UserError(format_string, ...) UserErrorI(fmt::format(FMT_STRING(format_string), ## __VA_ARGS__))
#define FatalError(format_string, ...) FatalErrorI(fmt::format(FMT_STRING(format_string), ## __VA_ARGS__))
#define UserError(format_string, ...) UserErrorI(fmt::format(FMT_STRING(format_string) __VA_OPT__(,) __VA_ARGS__))
#define FatalError(format_string, ...) FatalErrorI(fmt::format(FMT_STRING(format_string) __VA_OPT__(,) __VA_ARGS__))
#endif /* ERROR_FUNC_H */

2
src/newgrf.h
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@ -202,7 +202,7 @@ void ResetNewGRFData();
void ResetPersistentNewGRFData();
void GrfMsgI(int severity, const std::string &msg);
#define GrfMsg(severity, format_string, ...) do { if ((severity) == 0 || _debug_grf_level >= (severity)) GrfMsgI(severity, fmt::format(FMT_STRING(format_string), ## __VA_ARGS__)); } while (false)
#define GrfMsg(severity, format_string, ...) do { if ((severity) == 0 || _debug_grf_level >= (severity)) GrfMsgI(severity, fmt::format(FMT_STRING(format_string) __VA_OPT__(,) __VA_ARGS__)); } while (false)
bool GetGlobalVariable(uint8_t param, uint32_t *value, const GRFFile *grffile);

6
src/strgen/strgen.h
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@ -150,9 +150,9 @@ ParsedCommandStruct ExtractCommandString(const char *s, bool warnings);
void StrgenWarningI(const std::string &msg);
void StrgenErrorI(const std::string &msg);
[[noreturn]] void StrgenFatalI(const std::string &msg);
#define StrgenWarning(format_string, ...) StrgenWarningI(fmt::format(FMT_STRING(format_string), ## __VA_ARGS__))
#define StrgenError(format_string, ...) StrgenErrorI(fmt::format(FMT_STRING(format_string), ## __VA_ARGS__))
#define StrgenFatal(format_string, ...) StrgenFatalI(fmt::format(FMT_STRING(format_string), ## __VA_ARGS__))
#define StrgenWarning(format_string, ...) StrgenWarningI(fmt::format(FMT_STRING(format_string) __VA_OPT__(,) __VA_ARGS__))
#define StrgenError(format_string, ...) StrgenErrorI(fmt::format(FMT_STRING(format_string) __VA_OPT__(,) __VA_ARGS__))
#define StrgenFatal(format_string, ...) StrgenFatalI(fmt::format(FMT_STRING(format_string) __VA_OPT__(,) __VA_ARGS__))
char *ParseWord(char **buf);
extern const char *_file;