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rp(obj) shows func, file and line. (#2394)

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rp() macro for debug also shows file location and function name
such as:

  [OBJ_INFO:rb_call_inits@inits.c:73] 0x000056147741b248 ...
This commit is contained in:
Koichi Sasada 2019-08-21 01:04:08 +09:00 committed by GitHub
parent d10e28b875
commit 88b1f2dac4
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GPG key ID: 4AEE18F83AFDEB23
Notes: git 2019-08-31 04:40:14 +09:00 
Merged-By: ko1
2 changed files with 11 additions and 2 deletions
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7
gc.c
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@ -11449,6 +11449,13 @@ rb_obj_info_dump(VALUE obj)
fprintf(stderr, "rb_obj_info_dump: %s\n", rb_raw_obj_info(buff, 0x100, obj));
}
void
rb_obj_info_dump_loc(VALUE obj, const char *file, int line, const char *func)
{
char buff[0x100];
fprintf(stderr, "<OBJ_INFO:%s@%s:%d> %s\n", func, file, line, rb_raw_obj_info(buff, 0x100, obj));
}
#if GC_DEBUG
void

6
internal.h
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@ -1390,10 +1390,12 @@ rb_ary_entry_internal(VALUE ary, long offset)
/* MRI debug support */
void rb_obj_info_dump(VALUE obj);
void ruby_debug_breakpoint(void);
void rb_obj_info_dump_loc(VALUE obj, const char *file, int line, const char *func);
void ruby_debug_breakpoint(void);
// show obj data structure without any side-effect
#define rp(obj) rb_obj_info_dump((VALUE)obj);
#define rp(obj) rb_obj_info_dump_loc((VALUE)(obj), __FILE__, __LINE__, __func__)
// same as rp, but add message header
#define rp_m(msg, obj) do { \
fprintf(stderr, "%s", (msg)); \