Fix NullReferenceException in CaretReferenceHighlightRenderer.ColorizeMatch().

dgrunwald · dgrunwald · commit 86c29273e655 · 2014-02-23T18:39:22.000+01:00
diff --git a/src/AddIns/BackendBindings/CSharpBinding/Project/Src/CaretReferenceHighlightRenderer.cs b/src/AddIns/BackendBindings/CSharpBinding/Project/Src/CaretReferenceHighlightRenderer.cs
@@ -188,7 +188,7 @@ void ColorizeMatch(AstNode node, ResolveResult result)
 		{
 			var identifierNode = FindReferences.GetNodeToReplace(node);
 			TextLocation start, end;
-			if (!identifierNode.IsNull) {
+			if (identifierNode != null && !identifierNode.IsNull) {
 				start = identifierNode.StartLocation;
 				end = identifierNode.EndLocation;
 			}

Original file line number	Diff line number	Diff line change
`@@ -188,7 +188,7 @@ void ColorizeMatch(AstNode node, ResolveResult result)`
`188`	`188`	`{`
`189`	`189`	`var identifierNode = FindReferences.GetNodeToReplace(node);`
`190`	`190`	`TextLocation start, end;`
`191`		`- if (!identifierNode.IsNull) {`
	`191`	`+ if (identifierNode != null && !identifierNode.IsNull) {`
`192`	`192`	`start = identifierNode.StartLocation;`
`193`	`193`	`end = identifierNode.EndLocation;`
`194`	`194`	`}`