parser_dump: local variable dump condition updated

f89215c7 · Yukihiro Matsumoto · c3aa1c47 · f89215c7
Commit f89215c7 authored Jun 16, 2012 by Yukihiro Matsumoto
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Showing with 17 additions and 11 deletions

src/parse.y src/parse.y +17 -11

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--- 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) {
+	  if (n2->car) {
 	    dump_prefix(offset+2);
 	    printf("%s ", mrb_sym2name(mrb, (mrb_sym)n2->car));
+	  }
 	  n2 = n2->cdr;
 	}
 	printf("\n");
@@ -5391,17 +5392,22 @@ 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;

+      if (n2 && (n2->car || n2->cdr)) {
+	dump_prefix(offset+1);
+	printf("local variables:\n");
+
 	while (n2) {
+	  if (n2->car) {
 	    dump_prefix(offset+2);
-	if (n2->car)
-	  printf("%s\n", mrb_sym2name(mrb, (mrb_sym)n2->car));
+	    printf("%s ", mrb_sym2name(mrb, (mrb_sym)n2->car));
+	  }
 	  n2 = n2->cdr;
 	}
+	printf("\n");
+      }
    }
    tree = tree->cdr;
    if (tree->car) {