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// Copyright (c) Microsoft. 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.Generic;
using System.Collections.Immutable;
using System.Threading;
using Microsoft.CodeAnalysis.CSharp.Extensions;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.Diagnostics;
using Microsoft.CodeAnalysis.Text;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp;
using ICSharpCode.NRefactory6.CSharp;
namespace MonoDevelop.CSharp.Diagnostics.RemoveUnnecessaryCast
{
[DiagnosticAnalyzer(LanguageNames.CSharp)]
internal sealed class CSharpRemoveUnnecessaryCastDiagnosticAnalyzer : RemoveUnnecessaryCastDiagnosticAnalyzerBase<SyntaxKind>
{
private static readonly ImmutableArray<SyntaxKind> s_kindsOfInterest = ImmutableArray.Create(SyntaxKind.CastExpression);
public override ImmutableArray<SyntaxKind> SyntaxKindsOfInterest
{
get
{
return s_kindsOfInterest;
}
}
protected override bool IsUnnecessaryCast(SemanticModel model, SyntaxNode node, CancellationToken cancellationToken)
{
var cast = (CastExpressionSyntax)node;
return cast.IsUnnecessaryCast(model, cancellationToken);
}
protected override TextSpan GetDiagnosticSpan(SyntaxNode node)
{
var cast = (CastExpressionSyntax)node;
return TextSpan.FromBounds(cast.OpenParenToken.SpanStart, cast.CloseParenToken.Span.End);
}
}
}
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