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Allow using g_log_structured instead of g_log

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Look for a macro G_LOG_USE_STRUCTURED, and if it is defined, use
g_log_structured instead of g_log when defining g_warning and friends.
This avoids the extra complication of going through g_logv _and_
g_log_structured to get a message logged; it also lets us pass
the code-related fields.

We don't do this unconditionally (yet), since some users might
rely on the more fine-grained fatality support in g_logv. It has
also been proven problematic in the past to inject a dependency
on bleeding-edge API via a widely-used macro.

https://bugzilla.gnome.org/show_bug.cgi?id=744456
This commit is contained in:
Matthias Clasen 2016-07-17 23:22:31 -04:00
parent db0bf5bbf1
commit 0d0ba82cec
1 changed files with 85 additions and 2 deletions
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87
glib/gmessages.h
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@ -407,6 +407,47 @@ void g_assert_warning (const char *log_domain,
#endif /* G_LOG_DOMAIN */
#if defined(G_HAVE_ISO_VARARGS) && !G_ANALYZER_ANALYZING
#ifdef G_LOG_USE_STRUCTURED
#define g_error(...) G_STMT_START { \
g_log_structured (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR, \
__VA_ARGS__, \
"CODE_FILE", __FILE__, \
"CODE_LINE", G_STRINGIFY (__LINE__), \
"CODE_FUNC", __func__, \
NULL); \
for (;;) ; \
} G_STMT_END
#define g_message(...) g_log_structured (G_LOG_DOMAIN, G_LOG_LEVEL_MESSAGE, \
__VA_ARGS__, \
"CODE_FILE", __FILE__, \
"CODE_LINE", G_STRINGIFY (__LINE__), \
"CODE_FUNC", __func__, \
NULL)
#define g_critical(...) g_log_structured (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL, \
__VA_ARGS__, \
"CODE_FILE", __FILE__, \
"CODE_LINE", G_STRINGIFY (__LINE__), \
"CODE_FUNC", __func__, \
NULL)
#define g_warning(...) g_log_structured (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING, \
__VA_ARGS__, \
"CODE_FILE", __FILE__, \
"CODE_LINE", G_STRINGIFY (__LINE__), \
"CODE_FUNC", __func__, \
NULL)
#define g_info(...) g_log_structured (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, \
__VA_ARGS__, \
"CODE_FILE", __FILE__, \
"CODE_LINE", G_STRINGIFY (__LINE__), \
"CODE_FUNC", __func__, \
NULL)
#define g_debug(...) g_log_structured (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \
__VA_ARGS__, \
"CODE_FILE", __FILE__, \
"CODE_LINE", G_STRINGIFY (__LINE__), \
"CODE_FUNC", __func__, \
NULL)
#else
/* for(;;) ; so that GCC knows that control doesn't go past g_error().
* Put space before ending semicolon to avoid C++ build warnings.
*/
@ -416,7 +457,6 @@ void g_assert_warning (const char *log_domain,
__VA_ARGS__); \
for (;;) ; \
} G_STMT_END
#define g_message(...) g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_MESSAGE, \
__VA_ARGS__)
@ -432,14 +472,56 @@ void g_assert_warning (const char *log_domain,
#define g_debug(...) g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_DEBUG, \
__VA_ARGS__)
#endif
#elif defined(G_HAVE_GNUC_VARARGS) && !G_ANALYZER_ANALYZING
#ifdef G_LOG_USE_STRUCTURED
#define g_error(format...) G_STMT_START { \
g_log_structured (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR, \
format, \
"CODE_FILE", __FILE__, \
"CODE_LINE", G_STRINGIFY (__LINE__), \
"CODE_FUNC", __func__, \
NULL); \
for (;;) ; \
} G_STMT_END
#define g_message(format...) g_log_structured (G_LOG_DOMAIN, G_LOG_LEVEL_MESSAGE, \
format, \
"CODE_FILE", __FILE__, \
"CODE_LINE", G_STRINGIFY (__LINE__), \
"CODE_FUNC", __func__, \
NULL)
#define g_critical(format...) g_log_structured (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL, \
format, \
"CODE_FILE", __FILE__, \
"CODE_LINE", G_STRINGIFY (__LINE__), \
"CODE_FUNC", __func__, \
NULL)
#define g_warning(format...) g_log_structured (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING, \
format, \
"CODE_FILE", __FILE__, \
"CODE_LINE", G_STRINGIFY (__LINE__), \
"CODE_FUNC", __func__, \
NULL)
#define g_info(format...) g_log_structured (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, \
format, \
"CODE_FILE", __FILE__, \
"CODE_LINE", G_STRINGIFY (__LINE__), \
"CODE_FUNC", __func__, \
NULL)
#define g_debug(format...) g_log_structured (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \
format, \
"CODE_FILE", __FILE__, \
"CODE_LINE", G_STRINGIFY (__LINE__), \
"CODE_FUNC", __func__, \
NULL)
#else
#define g_error(format...) G_STMT_START { \
g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_ERROR, \
format); \
for (;;) ; \
} G_STMT_END
#define g_message(format...) g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_MESSAGE, \
format)
@ -455,6 +537,7 @@ void g_assert_warning (const char *log_domain,
#define g_debug(format...) g_log (G_LOG_DOMAIN, \
G_LOG_LEVEL_DEBUG, \
format)
#endif
#else /* no varargs macros */
static void g_error (const gchar *format, ...) G_GNUC_NORETURN G_ANALYZER_NORETURN;
static void g_critical (const gchar *format, ...) G_ANALYZER_NORETURN;