Shadow copy analyzer assemblies

Author: MattParkerDev

src/SharpIDE.Application/Features/Analysis/CustomMsBuildProjectLoader.cs

@@ -0,0 +1,26 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.CodeAnalysis.Diagnostics;
+
+namespace SharpIDE.Application.Features.Analysis.ProjectLoader;
+
+public partial class CustomMsBuildProjectLoader
+{
+	private sealed partial class CustomWorker
+	{
+		private sealed class AnalyzerReferencePathComparer : IEqualityComparer<AnalyzerReference?>
+		{
+			public static AnalyzerReferencePathComparer Instance = new();
+
+			private AnalyzerReferencePathComparer() { }
+
+			public bool Equals(AnalyzerReference? x, AnalyzerReference? y)
+				=> string.Equals(x?.FullPath, y?.FullPath, StringComparison.OrdinalIgnoreCase);
+
+			public int GetHashCode(AnalyzerReference? obj)
+				=> obj?.FullPath?.GetHashCode() ?? 0;
+		}
+	}
+}