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Add suppressor for GetScope()
#88
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23 changes: 23 additions & 0 deletions
23
src/Immediate.Cache.Analyzers/Immediate.Cache.Analyzers.csproj
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <TargetFrameworks>netstandard2.0</TargetFrameworks> | ||
| <EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules> | ||
| <IsRoslynComponent>true</IsRoslynComponent> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="DotNet.ReproducibleBuilds" PrivateAssets="All" /> | ||
| <PackageReference Include="Microsoft.Bcl.HashCode" /> | ||
| <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" PrivateAssets="All" /> | ||
| <PackageReference Include="Microsoft.CodeAnalysis.CSharp" /> | ||
| <PackageReference Include="MinVer" PrivateAssets="all" /> | ||
| </ItemGroup> | ||
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| <PropertyGroup Label="MinVer"> | ||
| <MinVerAutoIncrement>minor</MinVerAutoIncrement> | ||
| <MinVerDefaultPreReleaseIdentifiers>preview.0</MinVerDefaultPreReleaseIdentifiers> | ||
| <MinVerTagPrefix>v</MinVerTagPrefix> | ||
| </PropertyGroup> | ||
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| </Project> |
79 changes: 79 additions & 0 deletions
79
src/Immediate.Cache.Analyzers/OwnedDisposableScopeSuppressor.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| using System.Collections.Immutable; | ||
| using Microsoft.CodeAnalysis; | ||
| using Microsoft.CodeAnalysis.CSharp.Syntax; | ||
| using Microsoft.CodeAnalysis.Diagnostics; | ||
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| namespace Immediate.Cache.Analyzers; | ||
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| [DiagnosticAnalyzer(LanguageNames.CSharp)] | ||
| public sealed class OwnedDisposableScopeSuppressor : DiagnosticSuppressor | ||
| { | ||
| public override ImmutableArray<SuppressionDescriptor> SupportedSuppressions => | ||
| ImmutableArray.Create([ | ||
| new SuppressionDescriptor( | ||
| id: "OwnedDisposableScopeSuppression", | ||
| suppressedDiagnosticId: "CA2000", | ||
| justification: "Suppress disposable not being disposed when used from `Owned<T>.GetScope(out T)`." | ||
| ), | ||
| ]); | ||
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|
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| public override void ReportSuppressions(SuppressionAnalysisContext context) | ||
| { | ||
| var token = context.CancellationToken; | ||
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| foreach (var diagnostic in context.ReportedDiagnostics) | ||
| { | ||
| token.ThrowIfCancellationRequested(); | ||
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| var syntaxTree = diagnostic.Location.SourceTree; | ||
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| if (syntaxTree | ||
| ?.GetRoot(token) | ||
| .FindNode(diagnostic.Location.SourceSpan) is not ArgumentSyntax | ||
| { | ||
| Parent.Parent: InvocationExpressionSyntax | ||
| { | ||
| Expression: MemberAccessExpressionSyntax | ||
| { | ||
| Name: IdentifierNameSyntax | ||
| { | ||
| Identifier.Text: "GetScope", | ||
| }, | ||
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| Expression: { } expression, | ||
| }, | ||
| }, | ||
| }) | ||
| { | ||
| continue; | ||
| } | ||
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| var typeInfo = context.GetSemanticModel(syntaxTree).GetTypeInfo(expression, token); | ||
| var symbol = typeInfo.Type ?? typeInfo.ConvertedType; | ||
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| if (symbol is not INamedTypeSymbol | ||
| { | ||
| Arity: 1, | ||
| Name: "Owned", | ||
| ContainingNamespace: | ||
| { | ||
| Name: "Cache", | ||
| ContainingNamespace: | ||
| { | ||
| Name: "Immediate", | ||
| ContainingNamespace.IsGlobalNamespace: true, | ||
| }, | ||
| }, | ||
| }) | ||
| { | ||
| continue; | ||
| } | ||
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| context.ReportSuppression( | ||
| Suppression.Create( | ||
| SupportedSuppressions[0], | ||
| diagnostic | ||
| ) | ||
| ); | ||
| } | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <TargetFrameworks>net8.0</TargetFrameworks> | ||
| <OutputType>Exe</OutputType> | ||
| <_SkipUpgradeNetAnalyzersNuGetWarning>true</_SkipUpgradeNetAnalyzersNuGetWarning> | ||
| </PropertyGroup> | ||
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| <ItemGroup Label="Usings"> | ||
| <Using Include="Xunit" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="Basic.Reference.Assemblies.Net80" /> | ||
| <PackageReference Include="coverlet.collector" PrivateAssets="All" /> | ||
| <PackageReference Include="coverlet.msbuild" PrivateAssets="All" /> | ||
| <PackageReference Include="Microsoft.CodeAnalysis.Common" VersionOverride="4.9.2" /> | ||
| <PackageReference Include="Microsoft.CodeAnalysis.CSharp" VersionOverride="4.9.2" /> | ||
| <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing" /> | ||
| <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" VersionOverride="4.9.2" /> | ||
| <PackageReference Include="Microsoft.Extensions.DependencyInjection" /> | ||
| <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" /> | ||
| <PackageReference Include="xunit.v3.mtp-v2" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="../../src/Immediate.Cache.Shared/Immediate.Cache.Shared.csproj" /> | ||
| <ProjectReference Include="../../src/Immediate.Cache.Analyzers/Immediate.Cache.Analyzers.csproj" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" PrivateAssets="all" GeneratePathProperty="true" /> | ||
| <Reference Include="$(PkgMicrosoft_CodeAnalysis_NetAnalyzers)\analyzers\dotnet\cs\Microsoft.CodeAnalysis.NetAnalyzers.dll" /> | ||
| <Reference Include="$(PkgMicrosoft_CodeAnalysis_NetAnalyzers)\analyzers\dotnet\cs\Microsoft.CodeAnalysis.CSharp.NetAnalyzers.dll" /> | ||
| </ItemGroup> | ||
|
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| </Project> |
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