From 4795261b94619e9f864f86c1b582b2f9657297f6 Mon Sep 17 00:00:00 2001
From: nightwing <amirjanyan@gmail.com>
Date: Thu, 6 Feb 2014 00:13:52 +0400
Subject: [PATCH] fix infinite loop when inserting snippet with self
 referencing tabstop

fixes #1802
---
 lib/ace/snippets.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/ace/snippets.js b/lib/ace/snippets.js
index ee1a5498..4418550d 100644
--- a/lib/ace/snippets.js
+++ b/lib/ace/snippets.js
@@ -329,8 +329,11 @@ var SnippetManager = function() {
                 continue;
             var id = p.tabstopId;
             var i1 = tokens.indexOf(p, i + 1);
-            if (expanding[id] == p) { 
-                expanding[id] = null;
+            if (expanding[id]) {
+                // if reached closing bracket clear expanding state
+                if (expanding[id] === p)
+                    expanding[id] = null;
+                // otherwise just ignore recursive tabstop
                 continue;
             }