From b12d117ed4889f0c64be0cfd9c17945c1920bd81 Mon Sep 17 00:00:00 2001
From: Daniel Grunwald <daniel@danielgrunwald.de>
Date: Sat, 14 Dec 2013 17:37:54 +0100
Subject: [PATCH] Fix C# folding crash when the syntax tree is missing
 positions due to syntax errors.

---
 .../CSharpBinding/Project/Src/Parser/FoldingVisitor.cs          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/AddIns/BackendBindings/CSharpBinding/Project/Src/Parser/FoldingVisitor.cs b/src/AddIns/BackendBindings/CSharpBinding/Project/Src/Parser/FoldingVisitor.cs
index 65f4555c8e..84f4925155 100644
--- a/src/AddIns/BackendBindings/CSharpBinding/Project/Src/Parser/FoldingVisitor.cs
+++ b/src/AddIns/BackendBindings/CSharpBinding/Project/Src/Parser/FoldingVisitor.cs
@@ -25,7 +25,7 @@ namespace CSharpBinding.Parser
 		
 		NewFolding AddFolding(TextLocation start, TextLocation end, bool isDefinition = false)
 		{
-			if (end.Line <= start.Line)
+			if (end.Line <= start.Line || start.IsEmpty || end.IsEmpty)
 				return null;
 			NewFolding folding = new NewFolding(GetOffset(start), GetOffset(end));
 			folding.IsDefinition = isDefinition;