From a8d25c82ac48a036a695d49c623f6d67af5a3bc5 Mon Sep 17 00:00:00 2001
From: Cyrus Najmabadi <cyrusn@microsoft.com>
Date: Fri, 8 May 2015 10:54:00 -0700
Subject: [PATCH] Prevent infinite loop when classifying.

---
 src/services/services.ts | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/services/services.ts b/src/services/services.ts
index 98a7fe0499f..58c5ecf079f 100644
--- a/src/services/services.ts
+++ b/src/services/services.ts
@@ -5902,11 +5902,13 @@ module ts {
                     let end = triviaScanner.getTextPos();
                     let width = end - start;
 
-                    if (textSpanIntersectsWith(span, start, width)) {
-                        if (!isTrivia(kind)) {
-                            return;
-                        }
+                    // The moment we get something that isn't trivia, then stop processing.
+                    if (!isTrivia(kind)) {
+                        return;
+                    }
 
+                    // Only bother with the trivia if it at least intersects the span of interest.
+                    if (textSpanIntersectsWith(span, start, width)) {
                         if (isComment(kind)) {
                             // Simple comment.  Just add as is.
                             result.push({