dotnet · silkfire · Sep 26, 2025 · Oct 10, 2025 · Oct 10, 2025 · Oct 10, 2025
diff --git a/.gitignore b/.gitignore
@@ -54,6 +54,9 @@ src/BenchmarkDotNet/Disassemblers/BenchmarkDotNet.Disassembler.*.nupkg
 # Visual Studio 2015 cache/options directory
 .vs/
 
+# VSCode directory
+.vscode/
+
 # Cake
 tools/**
 .dotnet

diff --git a/BenchmarkDotNet.Analyzers.sln b/BenchmarkDotNet.Analyzers.sln
@@ -0,0 +1,43 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31710.8
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BenchmarkDotNet", "src\BenchmarkDotNet\BenchmarkDotNet.csproj", "{B5F58AA0-88F8-4C8C-B734-E1217E23079E}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BenchmarkDotNet.Annotations", "src\BenchmarkDotNet.Annotations\BenchmarkDotNet.Annotations.csproj", "{F07A7F74-15B6-4DC6-8617-A3A9C11C71EF}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BenchmarkDotNet.Analyzers", "src\BenchmarkDotNet.Analyzers\BenchmarkDotNet.Analyzers.csproj", "{AA4DDCA0-C1D8-ADA8-69FE-2F67C4CA96B1}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BenchmarkDotNet.Analyzers.Tests", "tests\BenchmarkDotNet.Analyzers.Tests\BenchmarkDotNet.Analyzers.Tests.csproj", "{7DE89F16-2160-42E3-004E-1F5064732121}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{B5F58AA0-88F8-4C8C-B734-E1217E23079E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B5F58AA0-88F8-4C8C-B734-E1217E23079E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B5F58AA0-88F8-4C8C-B734-E1217E23079E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B5F58AA0-88F8-4C8C-B734-E1217E23079E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{F07A7F74-15B6-4DC6-8617-A3A9C11C71EF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F07A7F74-15B6-4DC6-8617-A3A9C11C71EF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F07A7F74-15B6-4DC6-8617-A3A9C11C71EF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F07A7F74-15B6-4DC6-8617-A3A9C11C71EF}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AA4DDCA0-C1D8-ADA8-69FE-2F67C4CA96B1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AA4DDCA0-C1D8-ADA8-69FE-2F67C4CA96B1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AA4DDCA0-C1D8-ADA8-69FE-2F67C4CA96B1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AA4DDCA0-C1D8-ADA8-69FE-2F67C4CA96B1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{7DE89F16-2160-42E3-004E-1F5064732121}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7DE89F16-2160-42E3-004E-1F5064732121}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7DE89F16-2160-42E3-004E-1F5064732121}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7DE89F16-2160-42E3-004E-1F5064732121}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {27411BE6-6445-400B-AB04-29B993B39CFF}
+	EndGlobalSection
+EndGlobal
diff --git a/NuGet.Config b/NuGet.Config
@@ -1,18 +1,21 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-  <solution>
-    <add key="disableSourceControlIntegration" value="true" />
-  </solution>
-  <packageSources>
-    <!--To inherit the global NuGet package sources remove the <clear/> line below -->
-    <clear />
-
-    <add key="api.nuget.org" value="https://api.nuget.org/v3/index.json" />
-    <!-- reuquired to run Mono AOT benchmarks -->
-    <add key="dotnet6" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet6/nuget/v3/index.json" />
-    <add key="dotnet7" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet7/nuget/v3/index.json" />
-    <add key="dotnet8" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet8/nuget/v3/index.json" />
-    <add key="dotnet9" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet9/nuget/v3/index.json" />
-    <add key="dotnet10" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet10/nuget/v3/index.json" />
-  </packageSources>
-</configuration>
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <solution>
+    <add key="disableSourceControlIntegration" value="true" />
+  </solution>
+  <packageSources>
+    <!--To inherit the global NuGet package sources remove the <clear/> line below -->
+    <clear />
+
+    <add key="api.nuget.org" value="https://api.nuget.org/v3/index.json" />
+    <!-- required to run Mono AOT benchmarks -->
+    <add key="dotnet6" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet6/nuget/v3/index.json" />
+    <add key="dotnet7" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet7/nuget/v3/index.json" />
+    <add key="dotnet8" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet8/nuget/v3/index.json" />
+    <add key="dotnet9" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet9/nuget/v3/index.json" />
+    <add key="dotnet10" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet10/nuget/v3/index.json" />
+
+    <!-- required for Roslyn analyzers -->
+	<add key="dotnet-tools" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json" />
+  </packageSources>
+</configuration>
diff --git a/src/BenchmarkDotNet.Analyzers/AnalyzerHelper.cs b/src/BenchmarkDotNet.Analyzers/AnalyzerHelper.cs
@@ -0,0 +1,73 @@
+namespace BenchmarkDotNet.Analyzers
+{
+    using Microsoft.CodeAnalysis;
+    using Microsoft.CodeAnalysis.CSharp.Syntax;
+    using System.Collections.Immutable;
+
+    internal static class AnalyzerHelper
+    {
+        public static LocalizableResourceString GetResourceString(string name) => new LocalizableResourceString(name, BenchmarkDotNetAnalyzerResources.ResourceManager, typeof(BenchmarkDotNetAnalyzerResources));
+
+        public static INamedTypeSymbol GetBenchmarkAttributeTypeSymbol(Compilation compilation) => compilation.GetTypeByMetadataName("BenchmarkDotNet.Attributes.BenchmarkAttribute");
+
+        public static bool AttributeListsContainAttribute(string attributeName, Compilation compilation, SyntaxList<AttributeListSyntax> attributeLists, SemanticModel semanticModel) => AttributeListsContainAttribute(compilation.GetTypeByMetadataName(attributeName), attributeLists, semanticModel);
+
+        public static bool AttributeListsContainAttribute(INamedTypeSymbol attributeTypeSymbol, SyntaxList<AttributeListSyntax> attributeLists, SemanticModel semanticModel)
+        {
+            if (attributeTypeSymbol == null)
+            {
+                return false;
+            }
+
+            foreach (var attributeListSyntax in attributeLists)
+            {
+                foreach (var attributeSyntax in attributeListSyntax.Attributes)
+                {
+                    var attributeSyntaxTypeSymbol = semanticModel.GetTypeInfo(attributeSyntax).Type;
+                    if (attributeSyntaxTypeSymbol == null)
+                    {
+                        continue;
+                    }
+
+                    if (attributeSyntaxTypeSymbol.Equals(attributeTypeSymbol, SymbolEqualityComparer.Default))
+                    {
+                        return true;
+                    }
+                }
+            }
+
+            return false;
+        }
+
+        public static ImmutableArray<AttributeSyntax> GetAttributes(string attributeName, Compilation compilation, SyntaxList<AttributeListSyntax> attributeLists, SemanticModel semanticModel) => GetAttributes(compilation.GetTypeByMetadataName(attributeName), attributeLists, semanticModel);
+
+        public static ImmutableArray<AttributeSyntax> GetAttributes(INamedTypeSymbol attributeTypeSymbol, SyntaxList<AttributeListSyntax> attributeLists, SemanticModel semanticModel)
+        {
+            var attributesBuilder = ImmutableArray.CreateBuilder<AttributeSyntax>();
+
+            if (attributeTypeSymbol == null)
+            {
+                return attributesBuilder.ToImmutable();
+            }
+
+            foreach (var attributeListSyntax in attributeLists)
+            {
+                foreach (var attributeSyntax in attributeListSyntax.Attributes)
+                {
+                    var attributeSyntaxTypeSymbol = semanticModel.GetTypeInfo(attributeSyntax).Type;
+                    if (attributeSyntaxTypeSymbol == null)
+                    {
+                        continue;
+                    }
+
+                    if (attributeSyntaxTypeSymbol.Equals(attributeTypeSymbol, SymbolEqualityComparer.Default))
+                    {
+                        attributesBuilder.Add(attributeSyntax);
+                    }
+                }
+            }
+
+            return attributesBuilder.ToImmutable();
+        }
+    }
+}
diff --git a/src/BenchmarkDotNet.Analyzers/AnalyzerReleases.Shipped.md b/src/BenchmarkDotNet.Analyzers/AnalyzerReleases.Shipped.md
@@ -0,0 +1,2 @@
+; Shipped analyzer releases
+; https://github.com/dotnet/roslyn-analyzers/blob/master/src/Microsoft.CodeAnalysis.Analyzers/ReleaseTrackingAnalyzers.Help.md
diff --git a/src/BenchmarkDotNet.Analyzers/AnalyzerReleases.Unshipped.md b/src/BenchmarkDotNet.Analyzers/AnalyzerReleases.Unshipped.md
@@ -0,0 +1,35 @@
+; Unshipped analyzer release
+; https://github.com/dotnet/roslyn-analyzers/blob/master/src/Microsoft.CodeAnalysis.Analyzers/ReleaseTrackingAnalyzers.Help.md
+
+### New Rules
+
+Rule ID  | Category | Severity | Notes
+---------|----------|----------|--------------------
+BDN1000  |  Usage   | Error	   | BDN1000_BenchmarkRunner_Run_TypeArgumentClassMissingBenchmarkMethods
+BDN1001  |  Usage   | Error	   | BDN1001_General_BenchmarkClass_MethodMustBePublic
+BDN1002  |  Usage   | Error	   | BDN1002_General_BenchmarkClass_MethodMustBeNonGeneric
+BDN1003  |  Usage   | Error	   | BDN1003_General_BenchmarkClass_ClassMustBePublic
+BDN1004  |  Usage   | Error	   | BDN1004_General_BenchmarkClass_ClassMustBeNonStatic
+BDN1005  |  Usage   | Error	   | BDN1005_General_BenchmarkClass_ClassMustBeNonAbstract
+BDN1006  |  Usage   | Error	   | BDN1006_General_BenchmarkClass_ClassMustBeNonGeneric
+BDN1007  |  Usage   | Error	   | BDN1007_General_BenchmarkClass_ClassWithGenericTypeArgumentsAttributeMustHaveTypeParameters
+BDN1008  |  Usage   | Error	   | BDN1008_General_BenchmarkClass_GenericTypeArgumentsAttributeMustHaveMatchingTypeParameterCount
+BDN1009  |  Usage   | Error	   | BDN1009_General_BenchmarkClass_ClassMustBeUnsealed
+BDN1010  |  Usage   | Error	   | BDN1010_General_BenchmarkClass_OnlyOneMethodCanBeBaseline
+BDN1011  |  Usage   | Error	   | BDN1011_Attributes_GeneralParameterAttributes_MutuallyExclusiveOnField
+BDN1012  |  Usage   | Error	   | BDN1012_Attributes_GeneralParameterAttributes_MutuallyExclusiveOnProperty
+BDN1013  |  Usage   | Error	   | BDN1013_Attributes_GeneralParameterAttributes_FieldMustBePublic
+BDN1014  |  Usage   | Error	   | BDN1014_Attributes_GeneralParameterAttributes_PropertyMustBePublic
+BDN1015  |  Usage   | Error	   | BDN1015_Attributes_GeneralParameterAttributes_NotValidOnReadonlyField
+BDN1016  |  Usage   | Error	   | BDN1016_Attributes_GeneralParameterAttributes_NotValidOnConstantField
+BDN1017  |  Usage   | Error	   | BDN1017_Attributes_GeneralParameterAttributes_PropertyCannotBeInitOnly
+BDN1018  |  Usage   | Error	   | BDN1018_Attributes_GeneralParameterAttributes_PropertyMustHavePublicSetter
+BDN1019  |  Usage   | Error	   | BDN1019_Attributes_ParamsAttribute_MustHaveValues
+BDN1020  |  Usage   | Error	   | BDN1020_Attributes_ParamsAttribute_UnexpectedValueType
+BDN1021  |  Usage   | Warning  | BDN1021_Attributes_ParamsAttribute_UnnecessarySingleValuePassedToAttribute
+BDN1022  |  Usage   | Error	   | BDN1022_Attributes_ParamsAllValuesAttribute_NotAllowedOnFlagsEnumPropertyOrFieldType
+BDN1023  |  Usage   | Error	   | BDN1023_Attributes_ParamsAllValues_PropertyOrFieldTypeMustBeEnumOrBool
+BDN1024  |  Usage   | Error	   | BDN1024_Attributes_ArgumentsAttribute_RequiresBenchmarkAttribute
+BDN1025  |  Usage   | Error	   | BDN1025_Attributes_ArgumentsAttribute_MethodWithoutAttributeMustHaveNoParameters
+BDN1026  |  Usage   | Error	   | BDN1026_Attributes_ArgumentsAttribute_MustHaveMatchingValueCount
+BDN1027  |  Usage   | Error	   | BDN1027_Attributes_ArgumentsAttribute_MustHaveMatchingValueType
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		; Shipped analyzer releases
		; https://github.com/dotnet/roslyn-analyzers/blob/master/src/Microsoft.CodeAnalysis.Analyzers/ReleaseTrackingAnalyzers.Help.md