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rest argument offset might be -1 that means empty

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This commit is contained in:
Yukihiro Matsumoto
2012-06-01 23:54:43 +09:00
parent 364f7e8f37
commit d6337e48ad
1 changed files with 7 additions and 1 deletions
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src/parse.y
+7 -1
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@@ -5163,7 +5163,13 @@ parser_dump(mrb_state *mrb, node *tree, int offset)
if (n2->car) {
dump_prefix(offset+2);
printf("rest:\n");
parser_dump(mrb, n2->car, offset+3);
if (n2->car == (node*)-1) {
dump_prefix(offset+2);
printf("(empty)\n");
}
else {
parser_dump(mrb, n2->car, offset+3);
}
}
n2 = n2->cdr;
if (n2) {