diff options
| -rw-r--r-- | src/class.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/class.c b/src/class.c index e724dbb91..de68087cb 100644 --- a/src/class.c +++ b/src/class.c @@ -370,6 +370,12 @@ mrb_define_method_raw(mrb_state *mrb, struct RClass *c, mrb_sym mid, struct RPro MRB_CLASS_ORIGIN(c); h = c->mt; + if (MRB_FROZEN_P(c)) { + if (c->tt == MRB_TT_MODULE) + mrb_raise(mrb, E_RUNTIME_ERROR, "can't modify frozen module"); + else + mrb_raise(mrb, E_RUNTIME_ERROR, "can't modify frozen class"); + } if (!h) h = c->mt = kh_init(mt, mrb); k = kh_put(mt, mrb, h, mid); kh_value(h, k) = p; |