diff options
| -rw-r--r-- | src/class.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/src/class.c b/src/class.c index ebe2bdb4a..be38fd55c 100644 --- a/src/class.c +++ b/src/class.c @@ -1189,22 +1189,28 @@ mrb_bob_missing(mrb_state *mrb, mrb_value mod) mrb_sym name; mrb_value *a; int alen; - mrb_value inspect; + mrb_sym inspect; + mrb_value repr; mrb_get_args(mrb, "n*", &name, &a, &alen); - if (mrb_respond_to(mrb,mod,mrb_intern_lit(mrb, "inspect"))){ - inspect = mrb_funcall(mrb, mod, "inspect", 0); - if (RSTRING_LEN(inspect) > 64) { - inspect = mrb_any_to_s(mrb, mod); + inspect = mrb_intern_lit(mrb, "inspect"); + if (mrb->c->ci > mrb->c->cibase && mrb->c->ci[-1].mid == inspect) { + /* method missing in inspect; avoid recursion */ + repr = mrb_any_to_s(mrb, mod); + } + else if (mrb_respond_to(mrb, mod, inspect)) { + repr = mrb_funcall_argv(mrb, mod, inspect, 0, 0); + if (RSTRING_LEN(repr) > 64) { + repr = mrb_any_to_s(mrb, mod); } } else { - inspect = mrb_any_to_s(mrb, mod); + repr = mrb_any_to_s(mrb, mod); } mrb_raisef(mrb, E_NOMETHOD_ERROR, "undefined method '%S' for %S", - mrb_sym2str(mrb, name), inspect); + mrb_sym2str(mrb, name), repr); /* not reached */ return mrb_nil_value(); } |