* parse.y (rb_parser_append_print, rb_parser_while_loop): body node

can be empty.  [ruby-dev:24628]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7130 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Fri Oct 29 11:35:04 2004  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* parse.y (rb_parser_append_print, rb_parser_while_loop): body node
+	  can be empty.  [ruby-dev:24628]
+
 Fri Oct 29 10:00:30 2004  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* eval.c (ruby_cleanup): ruby_finalize_1 may cause exception,

parse.y

@@ -7771,9 +7771,10 @@ NODE*
 rb_parser_append_print(node)
     NODE *node;
 {
-    NODE *prelude = (nd_type(node) == NODE_PRELUDE) ? node : 0;
+    NODE *prelude = 0;
 
-    if (prelude) {
+    if (node && (nd_type(node) == NODE_PRELUDE)) {
+	prelude = node;
 	node = node->nd_body;
     }
     node = block_append(node,
@@ -7791,9 +7792,10 @@ rb_parser_while_loop(node, chop, split)
     NODE *node;
     int chop, split;
 {
-    NODE *prelude = (nd_type(node) == NODE_PRELUDE) ? node : 0;
+    NODE *prelude = 0;
 
-    if (prelude) {
+    if (node && (nd_type(node) == NODE_PRELUDE)) {
+	prelude = node;
 	node = node->nd_body;
     }
     if (split) {