From 77713347d8417b42fca89d3138a59459c91a9137 Mon Sep 17 00:00:00 2001
From: Alex Dima <alexdima@microsoft.com>
Date: Thu, 27 Oct 2016 23:48:53 +0200
Subject: [PATCH] Fixes #13866: Cannot read property 'length' of null

---
 src/vs/editor/common/model/textModelWithTokens.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/vs/editor/common/model/textModelWithTokens.ts b/src/vs/editor/common/model/textModelWithTokens.ts
index bc82eaae090..873cec88f39 100644
--- a/src/vs/editor/common/model/textModelWithTokens.ts
+++ b/src/vs/editor/common/model/textModelWithTokens.ts
@@ -494,6 +494,7 @@ export class TextModelWithTokens extends TextModel implements editorCommon.IToke
 	}
 
 	public getWordAtPosition(_position: editorCommon.IPosition): editorCommon.IWordAtPosition {
+		this._assertNotDisposed();
 		let position = this.validatePosition(_position);
 		let lineContent = this.getLineContent(position.lineNumber);
 
-- 
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