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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-12-09 07:13:40 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-12-09 07:13:40 +0000 |
commit | d2cc188ad5aecce659127a9c98713e9acd1a97ce (patch) | |
tree | ef82797dee49e60b0383b108b96ee1be62e4e5a1 /gc.c | |
parent | b73a30644187018b099ef148778b914a670d94f6 (diff) | |
download | ruby-d2cc188ad5aecce659127a9c98713e9acd1a97ce.tar.gz |
gc.c: ObjectSpace::WeakMap#size
* gc.c (wmap_size): add ObjectSpace::WeakMap#size and #length.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44093 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'gc.c')
-rw-r--r-- | gc.c | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -6470,6 +6470,20 @@ wmap_has_key(VALUE self, VALUE key) return NIL_P(wmap_aref(self, key)) ? Qfalse : Qtrue; } +static VALUE +wmap_size(VALUE self) +{ + struct weakmap *w; + st_index_t n; + + TypedData_Get_Struct(self, struct weakmap, &weakmap_type, w); + n = w->wmap2obj->num_entries; +#if SIZEOF_ST_INDEX_T <= SIZEOF_LONG + return ULONG2NUM(n); +#else + return ULL2NUM(n); +#endif +} /* ------------------------------ GC profiler ------------------------------ @@ -7304,6 +7318,8 @@ Init_GC(void) rb_define_method(rb_cWeakMap, "each_value", wmap_each_value, 0); rb_define_method(rb_cWeakMap, "keys", wmap_keys, 0); rb_define_method(rb_cWeakMap, "values", wmap_values, 0); + rb_define_method(rb_cWeakMap, "size", wmap_size, 0); + rb_define_method(rb_cWeakMap, "length", wmap_size, 0); rb_define_private_method(rb_cWeakMap, "finalize", wmap_finalize, 1); rb_include_module(rb_cWeakMap, rb_mEnumerable); } |