// 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.CSharp.Syntax;
using Microsoft.CodeAnalysis.Diagnostics;
using Microsoft.CodeAnalysis.RemoveUnnecessarySuppressions;
namespace Microsoft.CodeAnalysis.CSharp.RemoveUnnecessarySuppressions
{
    [DiagnosticAnalyzer(LanguageNames.CSharp)]
    internal sealed class CSharpRemoveUnnecessaryAttributeSuppressionsDiagnosticAnalyzer
        : AbstractRemoveUnnecessaryAttributeSuppressionsDiagnosticAnalyzer
    {
        protected override void RegisterAttributeSyntaxAction(CompilationStartAnalysisContext context, CompilationAnalyzer compilationAnalyzer)
        {
            context.RegisterSyntaxNodeAction(context =>
            {
                var attributeList = (AttributeListSyntax)context.Node;
                switch (attributeList.Target?.Identifier.Kind())
                {
                    case SyntaxKind.AssemblyKeyword:
                    case SyntaxKind.ModuleKeyword:
                        foreach (var attribute in attributeList.Attributes)
                        {
                            compilationAnalyzer.AnalyzeAssemblyOrModuleAttribute(attribute, context.SemanticModel, context.ReportDiagnostic, context.CancellationToken);
                        }
 
                        break;
                }
            }, SyntaxKind.AttributeList);
        }
    }
}