node.c: Stop double meaning of NODE_FOR by introducing NODE_FOR_MASGN

NODE_FOR was used both for "for"-statement itself and for
multi-assignment of for-statement (for x, y, in...end).
This change separates the two purposes, NODE_FOR for the former, and
newly introduced NODE_FOR_MASGN for the latter.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61871 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 0 deletions

diff --git a/node.c b/node.c
index 4770f7cfd2..1ea6cade20 100644
--- a/node.c
+++ b/node.c
@@ -240,6 +240,14 @@ dump_node(VALUE buf, VALUE indent, int comment, const NODE * node)
 	F_NODE(nd_body, "body");
 	return;
 
+      case NODE_FOR_MASGN:
+	ANN("vars of for statement with masgn");
+	ANN("format: for [nd_var] in ... do ... end");
+	ANN("example: for x, y in 1..3 do foo end");
+	LAST_NODE;
+	F_NODE(nd_var, "var");
+	return;
+
       case NODE_BREAK:
 	ANN("break statement");
 	ANN("format: break [nd_stts]");