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// Copyright (c) Josef Pihrt. All rights reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Immutable;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.Diagnostics;
namespace Roslynator.CSharp.Analysis
{
[DiagnosticAnalyzer(LanguageNames.CSharp)]
public class DeclareEachAttributeSeparatelyAnalyzer : BaseDiagnosticAnalyzer
{
public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics
{
get { return ImmutableArray.Create(DiagnosticDescriptors.DeclareEachAttributeSeparately); }
}
public override void Initialize(AnalysisContext context)
{
if (context == null)
throw new ArgumentNullException(nameof(context));
base.Initialize(context);
context.RegisterSyntaxNodeAction(AnalyzeAttributeList, SyntaxKind.AttributeList);
}
private static void AnalyzeAttributeList(SyntaxNodeAnalysisContext context)
{
var attributeList = (AttributeListSyntax)context.Node;
if (IsFixable(attributeList))
context.ReportDiagnostic(DiagnosticDescriptors.DeclareEachAttributeSeparately, attributeList);
}
public static bool IsFixable(AttributeListSyntax attributeList)
{
return attributeList.Attributes.Count > 1;
}
}
}