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Use identhash as WeakMap

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As ObjectSpace::WeakMap allows FLONUM as a key, needs the special
deal for its hash.  [Feature #16035]
This commit is contained in:
Nobuyoshi Nakada 2019-10-18 02:51:15 +09:00
parent c3b64a86bc
commit ce7942361d
No known key found for this signature in database
GPG Key ID: 4BC7D6DF58D8DF60
2 changed files with 6 additions and 3 deletions
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6
gc.c
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@ -10493,13 +10493,15 @@ static const rb_data_type_t weakmap_type = {
0, 0, RUBY_TYPED_FREE_IMMEDIATELY
};
extern const struct st_hash_type rb_hashtype_ident;
static VALUE
wmap_allocate(VALUE klass)
{
struct weakmap *w;
VALUE obj = TypedData_Make_Struct(klass, struct weakmap, &weakmap_type, w);
w->obj2wmap = st_init_numtable();
w->wmap2obj = st_init_numtable();
w->obj2wmap = st_init_table(&rb_hashtype_ident);
w->wmap2obj = st_init_table(&rb_hashtype_ident);
w->final = rb_obj_method(obj, ID2SYM(rb_intern("finalize")));
return obj;
}

3
hash.c
View File

@ -330,7 +330,8 @@ rb_ident_hash(st_data_t n)
return (st_index_t)st_index_hash((st_index_t)n);
}
static const struct st_hash_type identhash = {
#define identhash rb_hashtype_ident
const struct st_hash_type rb_hashtype_ident = {
rb_ident_cmp,
rb_ident_hash,
};