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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.
#nullable disable
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using Microsoft.CodeAnalysis.Organizing.Organizers;
namespace Microsoft.CodeAnalysis.CSharp.Organizing;
internal sealed partial class CSharpOrganizingService
{
private sealed class Rewriter(CSharpOrganizingService treeOrganizer, IEnumerable<ISyntaxOrganizer> organizers, SemanticModel semanticModel, CancellationToken cancellationToken) : CSharpSyntaxRewriter
{
private readonly Func<SyntaxNode, IEnumerable<ISyntaxOrganizer>> _nodeToOrganizersGetter = treeOrganizer.GetNodeToOrganizers(organizers.ToList());
private readonly SemanticModel _semanticModel = semanticModel;
private readonly CancellationToken _cancellationToken = cancellationToken;
public override SyntaxNode DefaultVisit(SyntaxNode node)
{
_cancellationToken.ThrowIfCancellationRequested();
return node;
}
public override SyntaxNode Visit(SyntaxNode node)
{
_cancellationToken.ThrowIfCancellationRequested();
if (node == null)
{
return null;
}
// First, recurse into our children, updating them.
node = base.Visit(node);
// Now, try to update this new node itself.
var organizers = _nodeToOrganizersGetter(node);
foreach (var organizer in organizers)
{
node = organizer.OrganizeNode(_semanticModel, node, _cancellationToken);
}
return node;
}
}
}
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