From 1bcc97635b11db2030697e5bb121d547c8c456e4 Mon Sep 17 00:00:00 2001
From: Ian Wehrman <iwehrman@gmail.com>
Date: Wed, 12 Dec 2012 11:03:48 -0800
Subject: [PATCH] track global variables alongside locals in the parser state

---
 mode/javascript/javascript.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/mode/javascript/javascript.js b/mode/javascript/javascript.js
index f00be91e86..b66d223617 100644
--- a/mode/javascript/javascript.js
+++ b/mode/javascript/javascript.js
@@ -196,12 +196,19 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
     return true;
   }
   function register(varname) {
+    function inList(list) {
+      for (var v = list; v; v = v.next)
+        if (v.name == varname) return true;
+      return false;
+    }
     var state = cx.state;
     if (state.context) {
       cx.marked = "def";
-      for (var v = state.localVars; v; v = v.next)
-        if (v.name == varname) return;
+      if (inList(state.localVars)) return;
       state.localVars = {name: varname, next: state.localVars};
+    } else {
+      if (inList(state.globalVars)) return;
+      state.globalVars = {name: varname, next: state.globalVars};
     }
   }
 
@@ -364,6 +371,7 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
         cc: [],
         lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false),
         localVars: parserConfig.localVars,
+        globalVars: parserConfig.globalVars,
         context: parserConfig.localVars && {vars: parserConfig.localVars},
         indented: 0
       };