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Fix mod.constants not to have duplicate constant names; #4698

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The fix was based on PR from @dearblue
This commit is contained in:
Yukihiro "Matz" Matsumoto
2019-09-09 23:08:54 +09:00
parent a1a838d966
commit 9d9cb0ab6a
1 changed files with 9 additions and 1 deletions
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src/variable.c
+9 -1
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@@ -882,7 +882,15 @@ const_i(mrb_state *mrb, mrb_sym sym, mrb_value v, void *p)
ary = *(mrb_value*)p;
s = mrb_sym2name_len(mrb, sym, &len);
if (len >= 1 && ISUPPER(s[0])) {
mrb_ary_push(mrb, ary, mrb_symbol_value(sym));
mrb_int i, alen = RARRAY_LEN(ary);
for (i=0; i<alen; i++) {
if (mrb_symbol(RARRAY_PTR(ary)[i]) == sym)
break;
}
if (i==alen) {
mrb_ary_push(mrb, ary, mrb_symbol_value(sym));
}
}
return 0;
}