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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.Collections.Immutable;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.ExternalAccess.OmniSharp.Navigation;
using Microsoft.CodeAnalysis.Navigation;
using Microsoft.CodeAnalysis.Shared.Extensions;
namespace Microsoft.CodeAnalysis.ExternalAccess.OmniSharp.GoToDefinition;
internal static class OmniSharpFindDefinitionService
{
internal static async Task<ImmutableArray<OmniSharpNavigableItem>> FindDefinitionsAsync(Document document, int position, CancellationToken cancellationToken)
{
var service = document.GetLanguageService<INavigableItemsService>();
if (service is null)
return ImmutableArray<OmniSharpNavigableItem>.Empty;
var result = await service.GetNavigableItemsAsync(document, position, cancellationToken).ConfigureAwait(false);
return await result.NullToEmpty().SelectAsArrayAsync(
async (original, solution, cancellationToken) => new OmniSharpNavigableItem(original.DisplayTaggedParts, await original.Document.GetRequiredDocumentAsync(solution, cancellationToken).ConfigureAwait(false), original.SourceSpan),
document.Project.Solution,
cancellationToken).ConfigureAwait(false);
}
}
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