From a8da3218838c9ad23703430fe15334903bb9fd5e Mon Sep 17 00:00:00 2001
From: satyr <murky.satyr@gmail.com>
Date: Sat, 23 Oct 2010 02:30:38 +0900
Subject: [PATCH] fixed a bug where multiple trailing comments prevented
 returnification

---
 lib/nodes.js     | 8 ++++----
 src/nodes.coffee | 7 +++----
 2 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/lib/nodes.js b/lib/nodes.js
index 9dff02ab..49a41a99 100644
--- a/lib/nodes.js
+++ b/lib/nodes.js
@@ -197,11 +197,11 @@
     };
     Expressions.prototype.makeReturn = function() {
       var end, idx;
-      end = this.expressions[idx = this.expressions.length - 1];
-      if (end instanceof Comment) {
-        end = this.expressions[idx -= 1];
+      idx = this.expressions.length;
+      while ((end = this.expressions[--idx]) instanceof Comment) {
+
       }
-      if (end && !(end instanceof Return)) {
+      if (end) {
         this.expressions[idx] = end.makeReturn();
       }
       return this;
diff --git a/src/nodes.coffee b/src/nodes.coffee
index e1b3434c..d9211a51 100644
--- a/src/nodes.coffee
+++ b/src/nodes.coffee
@@ -195,10 +195,9 @@ exports.Expressions = class Expressions extends Base
   # An Expressions node does not return its entire body, rather it
   # ensures that the final expression is returned.
   makeReturn: ->
-    end = @expressions[idx = @expressions.length - 1]
-    end = @expressions[idx -= 1] if end instanceof Comment
-    if end and end not instanceof Return
-      @expressions[idx] = end.makeReturn()
+    idx = @expressions.length
+    while (end = @expressions[--idx]) instanceof Comment then
+    @expressions[idx] = end.makeReturn() if end
     this
 
   # An **Expressions** is the only node that can serve as the root.