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Raise special Exception when exception class is redefined; fix #3493

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2017-03-10 11:43:25 +09:00
parent c6e5659fec
commit e8f09f9393
1 changed files with 8 additions and 2 deletions
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src/class.c
+8 -2
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@@ -330,8 +330,14 @@ mrb_class_get(mrb_state *mrb, const char *name)
MRB_API struct RClass *
mrb_exc_get(mrb_state *mrb, const char *name)
{
struct RClass *exc = mrb_class_get_under(mrb, mrb->object_class, name);
struct RClass *e = exc;
struct RClass *exc, *e;
mrb_value c = mrb_const_get(mrb, mrb_obj_value(mrb->object_class),
mrb_intern_cstr(mrb, name));
if (mrb_type(c) != MRB_TT_CLASS) {
mrb_raise(mrb, mrb->eException_class, "exception corrupted");
}
exc = e = mrb_class_ptr(c);
while (e) {
if (e == mrb->eException_class)