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_RUBY_DEBUG_LOG usable anywhere

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even if `USE_RUBY_DEBUG_LOG=0`.
It becomes `fprintf(stderr, ...)`.
This commit is contained in:
Koichi Sasada 2025-12-10 04:32:34 +09:00
parent f9eb0d8da2
commit 3bb97e7707
Notes: git 2025-12-10 01:24:04 +00:00 
Merged: https://github.com/ruby/ruby/pull/15469
2 changed files with 22 additions and 4 deletions
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18
debug.c
View File

@ -708,4 +708,22 @@ ruby_debug_log_dump(const char *fname, unsigned int n)
fclose(fp);
}
}
#else
#undef ruby_debug_log
void
ruby_debug_log(const char *file, int line, const char *func_name, const char *fmt, ...)
{
va_list args;
fprintf(stderr, "[%s:%d] %s: ", file, line, func_name);
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
fprintf(stderr, "\n");
}
#endif // #if USE_RUBY_DEBUG_LOG

8
vm_debug.h
View File

@ -88,6 +88,10 @@ void ruby_debug_log(const char *file, int line, const char *func_name, const cha
void ruby_debug_log_print(unsigned int n);
bool ruby_debug_log_filter(const char *func_name, const char *file_name);
// convenient macro to log even if the USE_RUBY_DEBUG_LOG macro is not specified.
// You can use this macro for temporary usage (you should not commit it).
#define _RUBY_DEBUG_LOG(...) ruby_debug_log(__FILE__, __LINE__, RUBY_FUNCTION_NAME_STRING, "" __VA_ARGS__)
#if RBIMPL_COMPILER_IS(GCC) && defined(__OPTIMIZE__)
# define ruby_debug_log(...) \
RB_GNUC_EXTENSION_BLOCK( \
@ -97,10 +101,6 @@ bool ruby_debug_log_filter(const char *func_name, const char *file_name);
RBIMPL_WARNING_POP())
#endif
// convenient macro to log even if the USE_RUBY_DEBUG_LOG macro is not specified.
// You can use this macro for temporary usage (you should not commit it).
#define _RUBY_DEBUG_LOG(...) ruby_debug_log(__FILE__, __LINE__, RUBY_FUNCTION_NAME_STRING, "" __VA_ARGS__)
#if USE_RUBY_DEBUG_LOG
# define RUBY_DEBUG_LOG_ENABLED(func_name, file_name) \
(ruby_debug_log_mode && ruby_debug_log_filter(func_name, file_name))