// 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;
 
namespace Microsoft.CodeAnalysis
{
    /// <summary>
    /// A <see cref="Document"/> that was generated by an <see cref="ISourceGenerator" />.
    /// </summary>
    public sealed class SourceGeneratedDocument : Document
    {
        internal SourceGeneratedDocument(Project project, SourceGeneratedDocumentState state)
            : base(project, state)
        {
        }
 
        private new SourceGeneratedDocumentState State => (SourceGeneratedDocumentState)base.State;
 
        public string HintName => State.HintName;
 
        // TODO: make this public. Tracked by https://github.com/dotnet/roslyn/issues/50546
        internal SourceGeneratedDocumentIdentity Identity => State.Identity;
 
        internal override Document WithFrozenPartialSemantics(CancellationToken cancellationToken)
        {
            // For us to implement frozen partial semantics here with a source generated document,
            // we'd need to potentially deal with the combination where that happens on a snapshot that was already
            // forked; rather than trying to deal with that combo we'll just fall back to not doing anything special
            // which is allowed.
            return this;
        }
    }
}