// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

namespace Microsoft.AspNetCore.Razor.Language.Legacy
{
    internal static class BlockExtensions
    {
        public static void LinkNodes(this Block self)
        {
            Span first = null;
            Span previous = null;
            foreach (Span span in self.Flatten())
            {
                if (first == null)
                {
                    first = span;
                }
                span.Previous = previous;

                if (previous != null)
                {
                    previous.Next = span;
                }
                previous = span;
            }
        }
    }
}