src/Analyzers/CSharp/CodeFixes/UseInterpolatedVerbatimString/CSharpUseInterpolatedVerbatimStringCodeFixProvider.cs - main - githubmirror/roslyn

src/Analyzers/CSharp/CodeFixes/UseInterpolatedVerbatimString/CSharpUseInterpolatedVerbatimStringCodeFixProvider.cs

61 строка3 KB

Cyrus Najmabadi

Reapply "Update methods to be `async`." (#81808)

31 дек 2025, 02:04

31 дек 2025, 02:04ba729ad

// 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 System.Collections.Immutable;
using System.Composition;
using System.Diagnostics.CodeAnalysis;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CodeFixes;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.Editing;
using Microsoft.CodeAnalysis.Shared.Extensions;

namespace Microsoft.CodeAnalysis.CSharp.UseInterpolatedVerbatimString;

/// <summary>
/// Converts a verbatim interpolated string @$"" to an interpolated verbatim string $@""
/// </summary>
[ExportCodeFixProvider(LanguageNames.CSharp, Name = PredefinedCodeFixProviderNames.UseInterpolatedVerbatimString), Shared]
[method: ImportingConstructor]
[method: SuppressMessage("RoslynDiagnosticsReliability", "RS0033:Importing constructor should be [Obsolete]", Justification = "Used in test code: https://github.com/dotnet/roslyn/issues/42814")]
internal sealed partial class CSharpUseInterpolatedVerbatimStringCodeFixProvider() : SyntaxEditorBasedCodeFixProvider
{
    public override ImmutableArray<string> FixableDiagnosticIds => ["CS8401"];

    private const string InterpolatedVerbatimText = "$@\"";

    public override async Task RegisterCodeFixesAsync(CodeFixContext context)
    {
        RegisterCodeFix(context, CSharpCodeFixesResources.Use_interpolated_verbatim_string, nameof(CSharpCodeFixesResources.Use_interpolated_verbatim_string));
    }

    protected override async Task FixAllAsync(
        Document document, ImmutableArray<Diagnostic> diagnostics,
        SyntaxEditor editor, CancellationToken cancellationToken)
    {
        foreach (var diagnostic in diagnostics)
        {
            cancellationToken.ThrowIfCancellationRequested();
            AddEdits(editor, diagnostic, cancellationToken);
        }
    }

    private static void AddEdits(
        SyntaxEditor editor,
        Diagnostic diagnostic,
        CancellationToken cancellationToken)
    {
        var verbatimInterpolatedLocation = diagnostic.Location;
        var verbatimInterpolated = (InterpolatedStringExpressionSyntax)verbatimInterpolatedLocation.FindNode(getInnermostNodeForTie: true, cancellationToken);

        var oldStartToken = verbatimInterpolated.StringStartToken;
        var newStartToken = SyntaxFactory.Token(oldStartToken.LeadingTrivia, SyntaxKind.InterpolatedVerbatimStringStartToken,
            InterpolatedVerbatimText, InterpolatedVerbatimText, oldStartToken.TrailingTrivia);

        var interpolatedVerbatim = verbatimInterpolated.WithStringStartToken(newStartToken);

        editor.ReplaceNode(verbatimInterpolated, interpolatedVerbatim);
    }
}