Check and ignoring nulls when using reflection.

spectreconsole · Dec 6, 2023 · 473f09b · 473f09b
1 parent c62f79e
commit 473f09b
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/src/Spectre.Console/Widgets/Exceptions/ExceptionFormatter.cs b/src/Spectre.Console/Widgets/Exceptions/ExceptionFormatter.cs
@@ -303,15 +303,16 @@ private static bool TryGetTupleName(ParameterInfo parameter, Type parameterType,
             .FirstOrDefault(a =>
             {
                 var attributeType = a.GetType();
-                return attributeType.Namespace == "System.Runtime.CompilerServices" &&
+                return attributeType != null &&
+                       attributeType.Namespace == "System.Runtime.CompilerServices" &&
                        attributeType.Name == "TupleElementNamesAttribute";
             });
 
         if (tupleNameAttribute != null)
         {
             var propertyInfo = tupleNameAttribute.GetType()
-                .GetProperty("TransformNames", BindingFlags.Instance | BindingFlags.Public)!;
-            var tupleNames = propertyInfo.GetValue(tupleNameAttribute) as IList<string>;
+                .GetProperty("TransformNames", BindingFlags.Instance | BindingFlags.Public);
+            var tupleNames = propertyInfo?.GetValue(tupleNameAttribute) as IList<string>;
             if (tupleNames?.Count > 0)
             {
                 var args = parameterType.GetGenericArguments();