Method reference operator

Introduce the new operator for method reference, `.:`.
[Feature #12125] [Feature #13581]
[EXPERIMENTAL]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66667 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/node.h b/node.h
index 0f5a2a923a..4b16e23b3d 100644
--- a/node.h
+++ b/node.h
@@ -120,6 +120,7 @@ enum node_type {
     NODE_DSYM,
     NODE_ATTRASGN,
     NODE_LAMBDA,
+    NODE_METHREF,
     NODE_LAST
 };
 
@@ -361,6 +362,7 @@ typedef struct RNode {
 #define NEW_PREEXE(b,loc) NEW_SCOPE(b,loc)
 #define NEW_POSTEXE(b,loc) NEW_NODE(NODE_POSTEXE,0,b,0,loc)
 #define NEW_ATTRASGN(r,m,a,loc) NEW_NODE(NODE_ATTRASGN,r,m,a,loc)
+#define NEW_METHREF(r,m,loc) NEW_NODE(NODE_METHREF,r,m,0,loc)
 
 #define NODE_SPECIAL_REQUIRED_KEYWORD ((NODE *)-1)
 #define NODE_REQUIRED_KEYWORD_P(node) ((node)->nd_value == NODE_SPECIAL_REQUIRED_KEYWORD)