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Call #initialize_copy from init_copy only if it's redefined.

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2020-06-25 17:57:31 +09:00
parent 52dd0a8cd7
commit 11955ca1a1
1 changed files with 5 additions and 1 deletions
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src/kernel.c
+5 -1
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@@ -283,6 +283,8 @@ copy_class(mrb_state *mrb, mrb_value dst, mrb_value src)
MRB_SET_INSTANCE_TT(dc, MRB_INSTANCE_TT(sc));
}
static mrb_value mrb_obj_init_copy(mrb_state *mrb, mrb_value self);
static void
init_copy(mrb_state *mrb, mrb_value dest, mrb_value obj)
{
@@ -310,7 +312,9 @@ init_copy(mrb_state *mrb, mrb_value dest, mrb_value obj)
default:
break;
}
mrb_funcall_id(mrb, dest, MRB_SYM(initialize_copy), 1, obj);
if (!mrb_func_basic_p(mrb, dest, MRB_SYM(initialize_copy), mrb_obj_init_copy)) {
mrb_funcall_id(mrb, dest, MRB_SYM(initialize_copy), 1, obj);
}
}
/* 15.3.1.3.8 */