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// 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.Diagnostics.CodeAnalysis;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Diagnostics;
using Microsoft.CodeAnalysis.LanguageService;
using Microsoft.CodeAnalysis.Shared.Extensions;
using Roslyn.Utilities;
namespace Microsoft.CodeAnalysis.ExternalAccess.Copilot;
internal static class CopilotUtilities
{
public static string GetCopilotSuggestionDiagnosticTag()
=> WellKnownDiagnosticCustomTags.CopilotSuggestion;
public static bool IsResultantVisibilityPublic(this ISymbol symbol)
{
return symbol.GetResultantVisibility() == Shared.Utilities.SymbolVisibility.Public;
}
public static bool IsValidIdentifier([NotNullWhen(returnValue: true)] string? name)
{
return UnicodeCharacterUtilities.IsValidIdentifier(name);
}
public static async Task<SyntaxNode?> GetContainingMethodDeclarationAsync(Document document, int position, bool useFullSpan, CancellationToken cancellationToken)
{
if (document.GetLanguageService<ISyntaxFactsService>() is not ISyntaxFactsService service)
return null;
var root = await document.GetRequiredSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
return service.GetContainingMethodDeclaration(root, position, useFullSpan);
}
}
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