Handle reference to non-source symbols in UseConcreteTypeAnalyzer (#6960

) Fixes #6852 Co-authored-by: Manish Vasani <mavasani@microsoft.com>
dotnet · Sep 22, 2023 · 4a7701f · 4a7701f
1 parent 2c9a20b
commit 4a7701f
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Showing 2 changed files with 20 additions and 2 deletions.
diff --git a/src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/Performance/UseConcreteTypeAnalyzer.cs b/src/NetAnalyzers/Core/Microsoft.NetCore.Analyzers/Performance/UseConcreteTypeAnalyzer.cs
@@ -123,7 +123,7 @@ public override void Initialize(AnalysisContext context)
             context.RegisterCompilationStartAction(context =>
             {
                 var voidType = context.Compilation.GetSpecialType(SpecialType.System_Void);
-                var publicOrInternalColl = Collector.GetInstance(voidType, symbol => context.Options.MatchesConfiguredVisibility(UseConcreteTypeForMethodReturn, symbol, context.Compilation, SymbolVisibilityGroup.Private));
+                var publicOrInternalColl = Collector.GetInstance(voidType, symbol => symbol.IsInSource() && context.Options.MatchesConfiguredVisibility(UseConcreteTypeForMethodReturn, symbol, context.Compilation, SymbolVisibilityGroup.Private));
 
                 context.RegisterSymbolStartAction(context =>
                 {
@@ -134,7 +134,7 @@ public override void Initialize(AnalysisContext context)
                         return;
                     }
 
-                    var coll = Collector.GetInstance(voidType, symbol => context.Options.MatchesConfiguredVisibility(UseConcreteTypeForMethodReturn, symbol, context.Compilation, SymbolVisibilityGroup.Private));
+                    var coll = Collector.GetInstance(voidType, symbol => symbol.IsInSource() && context.Options.MatchesConfiguredVisibility(UseConcreteTypeForMethodReturn, symbol, context.Compilation, SymbolVisibilityGroup.Private));
 
                     // we accumulate a bunch of info in the collector object
                     context.RegisterOperationAction(context => coll.HandleInvocation((IInvocationOperation)context.Operation), OperationKind.Invocation);

diff --git a/src/NetAnalyzers/UnitTests/Microsoft.NetCore.Analyzers/Performance/UseConcreteTypeTests.cs b/src/NetAnalyzers/UnitTests/Microsoft.NetCore.Analyzers/Performance/UseConcreteTypeTests.cs
@@ -1367,6 +1367,24 @@ public bool GetIFoo(out IFoo ifoo)
             await TestCSAsync(Source);
         }
 
+        [Fact, WorkItem(6852, "https://github.com/dotnet/roslyn-analyzers/issues/6852")]
+        public static async Task ShouldNotCrashForInvocationsIntoMetadata()
+        {
+            const string Source = @"
+using System;
+
+class C
+{
+    private void M(ValueTuple<Action> vt)
+    {
+        vt.Item1();
+    }
+}
+                ";
+
+            await TestCSAsync(Source);
+        }
+
         private static async Task TestCSAsync(string source, params DiagnosticResult[] diagnosticResults)
         {
             var test = new VerifyCS.Test