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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.Diagnostics;
namespace Roslynator.CSharp.Analysis
{
[DiagnosticAnalyzer(LanguageNames.CSharp)]
public class RenamePrivateFieldAnalyzer : BaseDiagnosticAnalyzer
{
public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics
{
get { return ImmutableArray.Create(DiagnosticDescriptors.RenamePrivateFieldAccordingToCamelCaseWithUnderscore); }
}
public override void Initialize(AnalysisContext context)
{
if (context == null)
throw new ArgumentNullException(nameof(context));
base.Initialize(context);
context.RegisterSymbolAction(AnalyzeFieldSymbol, SymbolKind.Field);
}
public static void AnalyzeFieldSymbol(SymbolAnalysisContext context)
{
var fieldSymbol = (IFieldSymbol)context.Symbol;
if (!fieldSymbol.IsConst
&& !fieldSymbol.IsImplicitlyDeclared
&& fieldSymbol.DeclaredAccessibility == Accessibility.Private
&& !string.IsNullOrEmpty(fieldSymbol.Name)
&& !StringUtility.IsCamelCasePrefixedWithUnderscore(fieldSymbol.Name))
{
DiagnosticHelpers.ReportDiagnostic(context,
DiagnosticDescriptors.RenamePrivateFieldAccordingToCamelCaseWithUnderscore,
fieldSymbol.Locations[0]);
}
}
}
}
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