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Fixed a bug caused by to_s that returns nil; fix 4504

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2019-06-25 18:06:39 +09:00
parent dc21024ec7
commit 6724416d5c
1 changed files with 4 additions and 4 deletions
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mrbgems/mruby-method/src/method.c
+4 -4
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@@ -270,16 +270,16 @@ method_to_s(mrb_state *mrb, mrb_value self)
mrb_str_cat_lit(mrb, str, ": ");
rklass = mrb_class_ptr(klass);
if (mrb_class_ptr(owner) == rklass) {
mrb_str_cat_str(mrb, str, mrb_funcall(mrb, owner, "to_s", 0));
mrb_str_cat_str(mrb, str, mrb_str_to_str(mrb, owner));
mrb_str_cat_lit(mrb, str, "#");
mrb_str_cat_str(mrb, str, mrb_funcall(mrb, name, "to_s", 0));
mrb_str_cat_str(mrb, str, mrb_str_to_str(mrb, name));
}
else {
mrb_str_cat_cstr(mrb, str, mrb_class_name(mrb, rklass));
mrb_str_cat_lit(mrb, str, "(");
mrb_str_cat_str(mrb, str, mrb_funcall(mrb, owner, "to_s", 0));
mrb_str_cat_str(mrb, str, mrb_str_to_str(mrb, owner));
mrb_str_cat_lit(mrb, str, ")#");
mrb_str_cat_str(mrb, str, mrb_funcall(mrb, name, "to_s", 0));
mrb_str_cat_str(mrb, str, mrb_str_to_str(mrb, name));
}
mrb_str_cat_lit(mrb, str, ">");
return str;