diff options
Diffstat (limited to 'vm_insnhelper.c')
-rw-r--r-- | vm_insnhelper.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/vm_insnhelper.c b/vm_insnhelper.c index 6a7bba92d4..ae6195ef4c 100644 --- a/vm_insnhelper.c +++ b/vm_insnhelper.c @@ -500,6 +500,23 @@ rb_vm_get_cref(const VALUE *ep) } } +static const rb_cref_t * +vm_get_const_key_cref(const VALUE *ep) +{ + const rb_cref_t *cref = rb_vm_get_cref(ep); + const rb_cref_t *key_cref = cref; + + while (cref) { + if (FL_TEST(CREF_CLASS(cref), FL_SINGLETON)) { + return key_cref; + } + cref = CREF_NEXT(cref); + } + + /* does not incldue singleton class */ + return NULL; +} + void rb_vm_rewrite_cref(rb_cref_t *cref, VALUE old_klass, VALUE new_klass, rb_cref_t **new_cref_ptr) { |