// 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.Threading;
using System.Threading.Tasks;
 
namespace Microsoft.CodeAnalysis.Navigation
{
    /// <summary>
    /// Service to allow 3rd party languages to handle navigating to some metadata symbol.  For example, this can allow
    /// a language like F# to navigate to its source definition of a symbol that roslyn views as a metadata symbol.
    /// </summary>
    internal interface ICrossLanguageSymbolNavigationService
    {
        /// <summary>
        /// Attempts to get location that can be navigated to for a particular symbol id.  The symbol id format is
        /// defined at: https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/xmldoc/#id-strings.  Should
        /// return <see langword="null"/> if the 3rd party language cannot navigate to this particular symbol.
        /// </summary>
        /// <param name="assemblyName">The name of the assembly the symbol was defined in. Can be used by the
        /// receiver to quickly filter down to the project/compilation search for the symbol.</param>
        Task<INavigableLocation?> TryGetNavigableLocationAsync(
            string assemblyName, string documentationCommentId, CancellationToken cancellationToken);
    }
}