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Merge pull request #1574 from Tridacnid/tridacnid/FMT_STRING

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Add support for FMT_STRING compile time checking.
This commit is contained in:
Gabi Melman 2020-06-04 11:42:01 +03:00 committed by GitHub
commit 63ab8e6341
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2 changed files with 63 additions and 139 deletions
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119
include/spdlog/logger.h
View File

@ -73,63 +73,58 @@ public:
void swap(spdlog::logger &other) SPDLOG_NOEXCEPT;
// FormatString is a type derived from fmt::compile_string
template<typename FormatString, typename std::enable_if<fmt::is_compile_string<FormatString>::value, int>::type = 0, typename... Args>
void log(source_loc loc, level::level_enum lvl, const FormatString &fmt, const Args &... args)
{
log_(loc, lvl, fmt, args...);
}
// FormatString is NOT a type derived from fmt::compile_string but is a string_view_t or can be implicitly converted to one
template<typename... Args>
void log(source_loc loc, level::level_enum lvl, string_view_t fmt, const Args &... args)
{
bool log_enabled = should_log(lvl);
bool traceback_enabled = tracer_.enabled();
if (!log_enabled && !traceback_enabled)
{
return;
}
SPDLOG_TRY
{
memory_buf_t buf;
fmt::format_to(buf, fmt, args...);
details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));
log_it_(log_msg, log_enabled, traceback_enabled);
}
SPDLOG_LOGGER_CATCH()
log_(loc, lvl, fmt, args...);
}
template<typename... Args>
void log(level::level_enum lvl, string_view_t fmt, const Args &... args)
template<typename FormatString, typename... Args>
void log(level::level_enum lvl, const FormatString &fmt, const Args &... args)
{
log(source_loc{}, lvl, fmt, args...);
}
template<typename... Args>
void trace(string_view_t fmt, const Args &... args)
template<typename FormatString, typename... Args>
void trace(const FormatString &fmt, const Args &... args)
{
log(level::trace, fmt, args...);
}
template<typename... Args>
void debug(string_view_t fmt, const Args &... args)
template<typename FormatString, typename... Args>
void debug(const FormatString &fmt, const Args &... args)
{
log(level::debug, fmt, args...);
}
template<typename... Args>
void info(string_view_t fmt, const Args &... args)
template<typename FormatString, typename... Args>
void info(const FormatString &fmt, const Args &... args)
{
log(level::info, fmt, args...);
}
template<typename... Args>
void warn(string_view_t fmt, const Args &... args)
template<typename FormatString, typename... Args>
void warn(const FormatString &fmt, const Args &... args)
{
log(level::warn, fmt, args...);
}
template<typename... Args>
void error(string_view_t fmt, const Args &... args)
template<typename FormatString, typename... Args>
void error(const FormatString &fmt, const Args &... args)
{
log(level::err, fmt, args...);
}
template<typename... Args>
void critical(string_view_t fmt, const Args &... args)
template<typename FormatString, typename... Args>
void critical(const FormatString &fmt, const Args &... args)
{
log(level::critical, fmt, args...);
}
@ -140,8 +135,10 @@ public:
log(source_loc{}, lvl, msg);
}
// T can be statically converted to string_view
template<class T, typename std::enable_if<std::is_convertible<const T &, spdlog::string_view_t>::value, T>::type * = nullptr>
// T can be statically converted to string_view and isn't a fmt::compile_string
template<class T,
typename std::enable_if<std::is_convertible<const T &, spdlog::string_view_t>::value && !fmt::is_compile_string<T>::value, T>::type
* = nullptr>
void log(source_loc loc, level::level_enum lvl, const T &msg)
{
log(loc, lvl, string_view_t{msg});
@ -251,48 +248,6 @@ public:
SPDLOG_LOGGER_CATCH()
}
template<typename... Args>
void log(level::level_enum lvl, wstring_view_t fmt, const Args &... args)
{
log(source_loc{}, lvl, fmt, args...);
}
template<typename... Args>
void trace(wstring_view_t fmt, const Args &... args)
{
log(level::trace, fmt, args...);
}
template<typename... Args>
void debug(wstring_view_t fmt, const Args &... args)
{
log(level::debug, fmt, args...);
}
template<typename... Args>
void info(wstring_view_t fmt, const Args &... args)
{
log(level::info, fmt, args...);
}
template<typename... Args>
void warn(wstring_view_t fmt, const Args &... args)
{
log(level::warn, fmt, args...);
}
template<typename... Args>
void error(wstring_view_t fmt, const Args &... args)
{
log(level::err, fmt, args...);
}
template<typename... Args>
void critical(wstring_view_t fmt, const Args &... args)
{
log(level::critical, fmt, args...);
}
// T can be statically converted to wstring_view
template<class T, typename std::enable_if<is_convertible_to_wstring_view<const T &>::value, T>::type * = nullptr>
void log(source_loc loc, level::level_enum lvl, const T &msg)
@ -370,6 +325,26 @@ protected:
err_handler custom_err_handler_{nullptr};
details::backtracer tracer_;
// common implementation for after templated public api has been resolved
template<typename FormatString, typename... Args>
void log_(source_loc loc, level::level_enum lvl, const FormatString &fmt, const Args &... args)
{
bool log_enabled = should_log(lvl);
bool traceback_enabled = tracer_.enabled();
if (!log_enabled && !traceback_enabled)
{
return;
}
SPDLOG_TRY
{
memory_buf_t buf;
fmt::format_to(buf, fmt, args...);
details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));
log_it_(log_msg, log_enabled, traceback_enabled);
}
SPDLOG_LOGGER_CATCH()
}
// log the given message (if the given log level is high enough),
// and save backtrace (if backtrace is enabled).
void log_it_(const details::log_msg &log_msg, bool log_enabled, bool traceback_enabled);

83
include/spdlog/spdlog.h
View File

@ -121,50 +121,50 @@ SPDLOG_API spdlog::logger *default_logger_raw();
SPDLOG_API void set_default_logger(std::shared_ptr<spdlog::logger> default_logger);
template<typename... Args>
inline void log(source_loc source, level::level_enum lvl, string_view_t fmt, const Args &... args)
template<typename FormatString, typename... Args>
inline void log(source_loc source, level::level_enum lvl, const FormatString &fmt, const Args &... args)
{
default_logger_raw()->log(source, lvl, fmt, args...);
}
template<typename... Args>
inline void log(level::level_enum lvl, string_view_t fmt, const Args &... args)
template<typename FormatString, typename... Args>
inline void log(level::level_enum lvl, const FormatString &fmt, const Args &... args)
{
default_logger_raw()->log(source_loc{}, lvl, fmt, args...);
}
template<typename... Args>
inline void trace(string_view_t fmt, const Args &... args)
template<typename FormatString, typename... Args>
inline void trace(const FormatString &fmt, const Args &... args)
{
default_logger_raw()->trace(fmt, args...);
}
template<typename... Args>
inline void debug(string_view_t fmt, const Args &... args)
template<typename FormatString, typename... Args>
inline void debug(const FormatString &fmt, const Args &... args)
{
default_logger_raw()->debug(fmt, args...);
}
template<typename... Args>
inline void info(string_view_t fmt, const Args &... args)
template<typename FormatString, typename... Args>
inline void info(const FormatString &fmt, const Args &... args)
{
default_logger_raw()->info(fmt, args...);
}
template<typename... Args>
inline void warn(string_view_t fmt, const Args &... args)
template<typename FormatString, typename... Args>
inline void warn(const FormatString &fmt, const Args &... args)
{
default_logger_raw()->warn(fmt, args...);
}
template<typename... Args>
inline void error(string_view_t fmt, const Args &... args)
template<typename FormatString, typename... Args>
inline void error(const FormatString &fmt, const Args &... args)
{
default_logger_raw()->error(fmt, args...);
}
template<typename... Args>
inline void critical(string_view_t fmt, const Args &... args)
template<typename FormatString, typename... Args>
inline void critical(const FormatString &fmt, const Args &... args)
{
default_logger_raw()->critical(fmt, args...);
}
@ -217,57 +217,6 @@ inline void critical(const T &msg)
default_logger_raw()->critical(msg);
}
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
template<typename... Args>
inline void log(source_loc source, level::level_enum lvl, wstring_view_t fmt, const Args &... args)
{
default_logger_raw()->log(source, lvl, fmt, args...);
}
template<typename... Args>
inline void log(level::level_enum lvl, wstring_view_t fmt, const Args &... args)
{
default_logger_raw()->log(lvl, fmt, args...);
}
template<typename... Args>
inline void trace(wstring_view_t fmt, const Args &... args)
{
default_logger_raw()->trace(fmt, args...);
}
template<typename... Args>
inline void debug(wstring_view_t fmt, const Args &... args)
{
default_logger_raw()->debug(fmt, args...);
}
template<typename... Args>
inline void info(wstring_view_t fmt, const Args &... args)
{
default_logger_raw()->info(fmt, args...);
}
template<typename... Args>
inline void warn(wstring_view_t fmt, const Args &... args)
{
default_logger_raw()->warn(fmt, args...);
}
template<typename... Args>
inline void error(wstring_view_t fmt, const Args &... args)
{
default_logger_raw()->error(fmt, args...);
}
template<typename... Args>
inline void critical(wstring_view_t fmt, const Args &... args)
{
default_logger_raw()->critical(fmt, args...);
}
#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
} // namespace spdlog
//