From 154d3d03dd40b825aeb6e434d71b50a2fcf538a0 Mon Sep 17 00:00:00 2001
From: Jason Ginchereau <jasongin@microsoft.com>
Date: Tue, 16 Apr 2024 06:39:17 -1000
Subject: [PATCH] Fix NRE in source generator for methods with arrays (#278)

---
 src/NodeApi.Generator/SourceGenerator.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/NodeApi.Generator/SourceGenerator.cs b/src/NodeApi.Generator/SourceGenerator.cs
index 5dafdeff..181302f6 100644
--- a/src/NodeApi.Generator/SourceGenerator.cs
+++ b/src/NodeApi.Generator/SourceGenerator.cs
@@ -49,12 +49,15 @@ public enum DiagnosticId
     public static string GetNamespace(ISymbol symbol)
     {
         string ns = string.Empty;
+
+        // ContainingNamespace may be null for constructed types like arrays.
         for (INamespaceSymbol s = symbol.ContainingNamespace;
-            !s.IsGlobalNamespace;
+            s?.IsGlobalNamespace == false;
             s = s.ContainingNamespace)
         {
             ns = s.Name + (ns.Length > 0 ? "." + ns : string.Empty);
         }
+
         return ns;
     }