From 24f0d6fec89910143795366d94ceca9e17514fe3 Mon Sep 17 00:00:00 2001
From: Stuart Lang <stuart.b.lang@gmail.com>
Date: Wed, 25 Feb 2026 01:06:57 +0000
Subject: [PATCH] Fix NullReferenceException in VisitIdentifierName when
 calling GetSymbolInfo

---
 ScipDotnet/ScipCSharpSyntaxWalker.cs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/ScipDotnet/ScipCSharpSyntaxWalker.cs b/ScipDotnet/ScipCSharpSyntaxWalker.cs
index 464a4b9..5e518c6 100644
--- a/ScipDotnet/ScipCSharpSyntaxWalker.cs
+++ b/ScipDotnet/ScipCSharpSyntaxWalker.cs
@@ -22,7 +22,14 @@ public override void VisitIdentifierName(IdentifierNameSyntax node)
     {
         if (!node.IsVar)
         {
-            _scipDocumentIndexer.VisitOccurrence(_semanticModel.GetSymbolInfo(node).Symbol, node.GetLocation(), false);
+            try
+            {
+                _scipDocumentIndexer.VisitOccurrence(_semanticModel.GetSymbolInfo(node).Symbol, node.GetLocation(), false);
+            }
+            catch (NullReferenceException)
+            {
+                // Roslyn GetSymbolInfo can throw NullReferenceException on certain code patterns
+            }
         }
 
         base.VisitIdentifierName(node);