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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 AddBracesToSwitchSectionWithMultipleStatementsAnalyzer : BaseDiagnosticAnalyzer
{
public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics
{
get { return ImmutableArray.Create(DiagnosticDescriptors.AddBracesToSwitchSectionWithMultipleStatements); }
}
public override void Initialize(AnalysisContext context)
{
if (context == null)
throw new ArgumentNullException(nameof(context));
base.Initialize(context);
context.RegisterSyntaxNodeAction(AnalyzeSwitchSection, SyntaxKind.SwitchSection);
}
private static void AnalyzeSwitchSection(SyntaxNodeAnalysisContext context)
{
var switchSection = (SwitchSectionSyntax)context.Node;
SyntaxList<StatementSyntax> statements = switchSection.Statements;
if (statements.Count > 1)
{
context.ReportDiagnostic(
DiagnosticDescriptors.AddBracesToSwitchSectionWithMultipleStatements,
Location.Create(switchSection.SyntaxTree, statements.Span));
}
}
}
}