diff options
| -rw-r--r-- | src/parse.y | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/src/parse.y b/src/parse.y index 91853fe5b..4c9f88889 100644 --- a/src/parse.y +++ b/src/parse.y @@ -5050,13 +5050,14 @@ parser_dump(mrb_state *mrb, node *tree, int offset) { node *n2 = tree->car; - if (n2) { + if (n2 && (n2->car || n2->cdr)) { dump_prefix(offset+1); printf("local variables:\n"); - while (n2) { - dump_prefix(offset+2); - printf("%s ", mrb_sym2name(mrb, (mrb_sym)n2->car)); + if (n2->car) { + dump_prefix(offset+2); + printf("%s ", mrb_sym2name(mrb, (mrb_sym)n2->car)); + } n2 = n2->cdr; } printf("\n"); @@ -5391,16 +5392,21 @@ parser_dump(mrb_state *mrb, node *tree, int offset) dump_prefix(offset+1); printf("%s\n", mrb_sym2name(mrb, (mrb_sym)tree->car)); tree = tree->cdr; - dump_prefix(offset+1); - printf("local variables:\n"); { node *n2 = tree->car; - while (n2) { - dump_prefix(offset+2); - if (n2->car) - printf("%s\n", mrb_sym2name(mrb, (mrb_sym)n2->car)); - n2 = n2->cdr; + if (n2 && (n2->car || n2->cdr)) { + dump_prefix(offset+1); + printf("local variables:\n"); + + while (n2) { + if (n2->car) { + dump_prefix(offset+2); + printf("%s ", mrb_sym2name(mrb, (mrb_sym)n2->car)); + } + n2 = n2->cdr; + } + printf("\n"); } } tree = tree->cdr; |