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// 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 Analyzer.Utilities;
using Analyzer.Utilities.Extensions;
using Microsoft.CodeAnalysis.Diagnostics;
namespace Microsoft.CodeAnalysis.Analyzers.MetaAnalyzers
{
public abstract partial class DiagnosticAnalyzerCorrectnessAnalyzer : DiagnosticAnalyzer
{
#pragma warning disable RS1026 // Enable concurrent execution
public override void Initialize(AnalysisContext context)
#pragma warning restore RS1026 // Enable concurrent execution
{
// CONSIDER: Make all the subtypes thread safe to enable concurrent analyzer callbacks.
//context.EnableConcurrentExecution();
context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.Analyze);
context.RegisterCompilationStartAction(compilationContext =>
{
INamedTypeSymbol? diagnosticAnalyzer = compilationContext.Compilation.GetOrCreateTypeByMetadataName(WellKnownTypeNames.MicrosoftCodeAnalysisDiagnosticsDiagnosticAnalyzer);
INamedTypeSymbol? diagnosticAnalyzerAttribute = compilationContext.Compilation.GetOrCreateTypeByMetadataName(WellKnownTypeNames.MicrosoftCodeAnalysisDiagnosticsDiagnosticAnalyzerAttribute);
if (diagnosticAnalyzer == null || diagnosticAnalyzerAttribute == null)
{
// We don't need to check assemblies unless they're referencing Microsoft.CodeAnalysis which defines DiagnosticAnalyzer.
return;
}
DiagnosticAnalyzerSymbolAnalyzer? analyzer = GetDiagnosticAnalyzerSymbolAnalyzer(compilationContext, diagnosticAnalyzer, diagnosticAnalyzerAttribute);
if (analyzer != null)
{
compilationContext.RegisterSymbolAction(c => analyzer.AnalyzeSymbol(c), SymbolKind.NamedType);
}
});
}
protected abstract DiagnosticAnalyzerSymbolAnalyzer? GetDiagnosticAnalyzerSymbolAnalyzer(CompilationStartAnalysisContext compilationContext, INamedTypeSymbol diagnosticAnalyzer, INamedTypeSymbol diagnosticAnalyzerAttribute);
}
}
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