* node.h (NODE_ATTRASGN): new node, assignment to attribute.

  [ruby-core:00637].

* eval.c (is_defined, rb_eval): ditto.

* parse.y (attrset, node_assign): ditto.

* string.c (rb_str_substr): tail sharing.  [ruby-core:00650]


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@3160 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/parse.y b/parse.y
index 1e5696b97..74d4d0903 100644
--- a/parse.y
+++ b/parse.y
@@ -4705,7 +4705,7 @@ attrset(recv, id)
     ID id;
 {
     value_expr(recv);
-    return NEW_CALL(recv, rb_id_attrset(id), 0);
+    return NEW_ATTRASGN(recv, rb_id_attrset(id), 0);
 }
 
 static void
@@ -4765,6 +4765,7 @@ node_assign(lhs, rhs)
 	lhs->nd_value = rhs;
 	break;
 
+      case NODE_ATTRASGN:
       case NODE_CALL:
 	lhs->nd_args = arg_add(lhs->nd_args, rhs);
 	break;