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Show whether object is garbage in rb_raw_obj_info()

When using `rp(obj)` for debugging during development, it may be
useful to know that an object is soon to be swept. Add a new letter to
the object dump for whether the object is garbage. It's easy to forget
about lazy sweep.
This commit is contained in:
Alan Wu 2021-12-20 16:13:34 -05:00 committed by GitHub
parent 8b1b4e384f
commit 39cf0b5314
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GPG key ID: 4AEE18F83AFDEB23
Notes: git 2021-12-21 06:14:11 +09:00
Merged: https://github.com/ruby/ruby/pull/5310

Merged-By: XrXr

3
gc.c
View file

@ -13093,13 +13093,14 @@ rb_raw_obj_info(char *buff, const int buff_size, VALUE obj)
const int age = RVALUE_FLAGS_AGE(RBASIC(obj)->flags);
if (is_pointer_to_heap(&rb_objspace, (void *)obj)) {
APPENDF((BUFF_ARGS, "%p [%d%s%s%s%s%s] %s ",
APPENDF((BUFF_ARGS, "%p [%d%s%s%s%s%s%s] %s ",
(void *)obj, age,
C(RVALUE_UNCOLLECTIBLE_BITMAP(obj), "L"),
C(RVALUE_MARK_BITMAP(obj), "M"),
C(RVALUE_PIN_BITMAP(obj), "P"),
C(RVALUE_MARKING_BITMAP(obj), "R"),
C(RVALUE_WB_UNPROTECTED_BITMAP(obj), "U"),
C(rb_objspace_garbage_object_p(obj), "G"),
obj_type_name(obj)));
}
else {