From a90a2e65b5c4618b25cabeeecd4e201defa6b320 Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Thu, 14 Jan 2016 14:45:52 -0700
Subject: [PATCH] Implement TokenizedBuffer.prototype.onDidInvalidateRange

This causes DisplayLayer to emit change events when syntax is updated
asynchronously.
---
 src/tokenized-buffer.coffee | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/tokenized-buffer.coffee b/src/tokenized-buffer.coffee
index 0267e02dd..96d1f4649 100644
--- a/src/tokenized-buffer.coffee
+++ b/src/tokenized-buffer.coffee
@@ -65,6 +65,9 @@ class TokenizedBuffer extends Model
   getInvalidatedRanges: ->
     [@invalidatedRange]
 
+  onDidInvalidateRange: (fn) ->
+    @emitter.on 'did-invalidate-range', fn
+
   serialize: ->
     state = {
       deserializer: 'TokenizedBuffer'
@@ -221,6 +224,7 @@ class TokenizedBuffer extends Model
 
       event = {start: startRow, end: endRow, delta: 0}
       @emitter.emit 'did-change', event
+      @emitter.emit 'did-invalidate-range', Range(Point(startRow, 0), Point(endRow + 1, 0))
 
     if @firstInvalidRow()?
       @tokenizeInBackground()