Nit Compatiblity tools improvements

exclusion.dic

@@ -1,11 +1,13 @@
 awaiter
 crossgen
+csharp
 cshtml
 deserializer
 msbuild
 nuget
 nupkg
 nuspec
+roslyn
 sdk
 sdks
 tfm

src/Compatibility/ApiCompat/Microsoft.DotNet.ApiCompat.Shared/ApiCompatServiceProvider.cs

@@ -32,8 +32,7 @@ public ApiCompatServiceProvider(Func<ISuppressionEngine, ISuppressibleLog> logFa
 
                 // The attribute data symbol filter is a composite that contains both the accessibility
                 // symbol filter and the doc id symbol filter.
-                CompositeSymbolFilter attributeDataSymbolFilter = new CompositeSymbolFilter()
-                    .Add(accessibilitySymbolFilter);
+                CompositeSymbolFilter attributeDataSymbolFilter = new(accessibilitySymbolFilter);
                 if (excludeAttributesFiles is not null)
                 {
                     attributeDataSymbolFilter.Add(new DocIdSymbolFilter(excludeAttributesFiles));

src/Compatibility/ApiCompat/Microsoft.DotNet.ApiCompat.Shared/RegexStringTransformer.cs

@@ -19,7 +19,7 @@ internal class RegexStringTransformer
         /// <param name="replacementString">The replacement string that contains the capture group markers (i.e. $1).</param>
 
         public RegexStringTransformer(string captureGroupPattern, string replacementString)
-            : this(new (string, string)[] { (captureGroupPattern, replacementString) })
+            : this([(captureGroupPattern, replacementString)])
         {
         }
 

src/Compatibility/ApiCompat/Microsoft.DotNet.ApiCompat.Shared/RoslynResolver.cs

@@ -64,9 +64,9 @@ public void Unregister()
         private Assembly? LoadRoslyn(AssemblyName name, Func<string, Assembly> loadFromPath)
         {
             const string codeAnalysisName = "Microsoft.CodeAnalysis";
-            const string codeAnalysisCsharpName = "Microsoft.CodeAnalysis.CSharp";
+            const string codeAnalysisCSharpName = "Microsoft.CodeAnalysis.CSharp";
 
-            if (name.Name == codeAnalysisName || name.Name == codeAnalysisCsharpName)
+            if (name.Name == codeAnalysisName || name.Name == codeAnalysisCSharpName)
             {
                 Assembly asm = loadFromPath(Path.Combine(_roslynAssembliesPath!, $"{name.Name}.dll"));
                 Version? resolvedVersion = asm.GetName().Version;
@@ -78,7 +78,7 @@ public void Unregister()
                 // Being extra defensive but we want to avoid that we accidentally load two different versions of either
                 // of the roslyn assemblies from a different location, so let's load them both on the first request.
                 if (name.Name == codeAnalysisName)
-                    loadFromPath(Path.Combine(_roslynAssembliesPath!, $"{codeAnalysisCsharpName}.dll"));
+                    loadFromPath(Path.Combine(_roslynAssembliesPath!, $"{codeAnalysisCSharpName}.dll"));
                 else
                     loadFromPath(Path.Combine(_roslynAssembliesPath!, $"{codeAnalysisName}.dll"));
 

src/Compatibility/ApiCompat/Microsoft.DotNet.ApiCompat.Shared/ValidateAssemblies.cs

@@ -165,7 +165,7 @@ private static IEnumerable<string> GetFilesFromPath(string path)
                 }
             }
 
-            return new string[] { path };
+            return [path];
         }
     }
 }

src/Compatibility/ApiCompat/Microsoft.DotNet.ApiCompat.Task/Microsoft.DotNet.ApiCompat.Task.csproj

@@ -34,8 +34,6 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Build.Framework" ExcludeAssets="Runtime" />
     <PackageReference Include="Microsoft.Build.Utilities.Core" ExcludeAssets="Runtime" />
-    <ProjectReference Include="..\Microsoft.DotNet.PackageValidation\Microsoft.DotNet.PackageValidation.csproj" />
-    <ProjectReference Include="..\Microsoft.DotNet.ApiCompatibility\Microsoft.DotNet.ApiCompatibility.csproj" />
     <!-- We carry NuGet as part of the package in case the package is used with an older SDKs or with full framework MSBuild. -->
     <PackageReference Include="NuGet.Packaging" PrivateAssets="All" Publish="true" />
     <!-- The ApiCompatibility/PackageValidation stuff depends on CodeAnalysis.CSharp at the version that is
@@ -47,6 +45,9 @@
          it should never share types with this assembly. Within this task, the RoslynResolver should provide a good
          closure of references. -->
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" ExcludeAssets="Runtime" PrivateAssets="all" />
+
+    <ProjectReference Include="..\Microsoft.DotNet.PackageValidation\Microsoft.DotNet.PackageValidation.csproj" />
+    <ProjectReference Include="..\Microsoft.DotNet.ApiCompatibility\Microsoft.DotNet.ApiCompatibility.csproj" />
   </ItemGroup>
 
   <ItemGroup>

src/Compatibility/ApiCompat/Microsoft.DotNet.ApiCompat.Tool/Microsoft.DotNet.ApiCompat.Tool.csproj

@@ -7,6 +7,7 @@
     <IsShippingPackage>true</IsShippingPackage>
     <PackAsTool>true</PackAsTool>
     <ToolCommandName>apicompat</ToolCommandName>
+    <RollForward>Major</RollForward>
     <PackageDescription>Tool to perform api compatibility checks on assemblies and packages.</PackageDescription>
   </PropertyGroup>
 

src/Compatibility/ApiCompat/Microsoft.DotNet.ApiCompatibility/Logging/SuppressionEngine.cs

@@ -17,7 +17,7 @@ public class SuppressionEngine(string? noWarn = null, bool baselineAllErrors = f
         protected const string DiagnosticIdDocumentationComment = " https://learn.microsoft.com/dotnet/fundamentals/package-validation/diagnostic-ids ";
         private readonly HashSet<Suppression> _baselineSuppressions = [];
         private readonly HashSet<Suppression> _suppressions = [];
-        private readonly HashSet<string> _noWarn = string.IsNullOrEmpty(noWarn) ? [] : new HashSet<string>(noWarn!.Split(';'));
+        private readonly HashSet<string> _noWarn = string.IsNullOrEmpty(noWarn) ? [] : new(noWarn!.Split(';'));
 
         /// <inheritdoc/>
         public bool BaselineAllErrors { get; } = baselineAllErrors;

src/Compatibility/ApiCompat/Microsoft.DotNet.PackageValidation/Package.cs

@@ -230,7 +230,7 @@ public static Package Create(string? packagePath, IReadOnlyDictionary<NuGetFrame
             {
                 NuGetFramework assemblyReferencesFramework = tfmQueue.Dequeue();
 
-                NuGetFramework? bestAssemblyReferencesFramework = NuGetFrameworkUtility.GetNearest(tfmQueue.Concat(new NuGetFramework[] { framework }), assemblyReferencesFramework, (key) => key);
+                NuGetFramework? bestAssemblyReferencesFramework = NuGetFrameworkUtility.GetNearest(tfmQueue.Concat([framework]), assemblyReferencesFramework, (key) => key);
                 if (bestAssemblyReferencesFramework == framework)
                 {
                     return AssemblyReferences[assemblyReferencesFramework];

src/Compatibility/ApiCompat/Microsoft.DotNet.PackageValidation/Validators/CompatibleTFMValidator.cs

@@ -100,15 +100,22 @@ private static Dictionary<NuGetFramework, HashSet<NuGetFramework>> InitializeTfm
         {
             Dictionary<NuGetFramework, HashSet<NuGetFramework>> packageTfmMapping = [];
 
-            // creating a map framework in package => frameworks to test based on default compatibilty mapping.
+            // creating a map framework in package => frameworks to test based on default compatibility mapping.
             foreach (OneWayCompatibilityMappingEntry item in DefaultFrameworkMappings.Instance.CompatibilityMappings)
             {
                 NuGetFramework forwardTfm = item.SupportedFrameworkRange.Max;
                 NuGetFramework reverseTfm = item.TargetFrameworkRange.Min;
+#if NET
+                if (packageTfmMapping.TryGetValue(forwardTfm, out HashSet<NuGetFramework>? value))
+                {
+                    value.Add(reverseTfm);
+                }
+#else
                 if (packageTfmMapping.ContainsKey(forwardTfm))
                 {
                     packageTfmMapping[forwardTfm].Add(reverseTfm);
                 }
+#endif
                 else
                 {
                     packageTfmMapping.Add(forwardTfm, [ reverseTfm ]);

src/Compatibility/Microsoft.DotNet.ApiSymbolExtensions/Filtering/CompositeSymbolFilter.cs

@@ -9,12 +9,12 @@ namespace Microsoft.DotNet.ApiSymbolExtensions.Filtering
     /// Implements the composite pattern, group the list of <see cref="ISymbol"/> and interact with them
     /// the same way as a single instance of a <see cref="ISymbol"/> object.
     /// </summary>
-    public sealed class CompositeSymbolFilter : ISymbolFilter
+    public sealed class CompositeSymbolFilter(params IEnumerable<ISymbolFilter> filters) : ISymbolFilter
     {
         /// <summary>
         /// List on inner filters.
         /// </summary>
-        public List<ISymbolFilter> Filters { get; } = [];
+        public List<ISymbolFilter> Filters { get; } = new(filters);
 
         /// <summary>
         /// Determines whether the <see cref="ISymbol"/> should be included.

src/Compatibility/Microsoft.DotNet.ApiSymbolExtensions/SymbolExtensions.cs

@@ -56,7 +56,7 @@ public static IEnumerable<ITypeSymbol> GetAllBaseTypes(this ITypeSymbol type)
         }
 
         /// <summary>
-        /// Determines if a symbol was generated by the compiler by checking for the presense of the CompilerGeneratedAttribute.
+        /// Determines if a symbol was generated by the compiler by checking for the presence of the CompilerGeneratedAttribute.
         /// </summary>
         /// <param name="symbol">Symbol to check</param>
         /// <returns>True if the attribute was found.</returns>