|
// 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.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis;
using Microsoft.VisualStudio.GraphModel;
using Microsoft.VisualStudio.GraphModel.Schemas;
namespace Microsoft.VisualStudio.LanguageServices.Implementation.Progression;
internal sealed class ContainsGraphQuery : IGraphQuery
{
public async Task<GraphBuilder> GetGraphAsync(Solution solution, IGraphContext context, CancellationToken cancellationToken)
{
var graphBuilder = await GraphBuilder.CreateForInputNodesAsync(solution, context.InputNodes, cancellationToken).ConfigureAwait(false);
var nodesToProcess = context.InputNodes;
for (var depth = 0; depth < context.LinkDepth; depth++)
{
// This is the list of nodes we created and will process
var newNodes = new HashSet<GraphNode>();
foreach (var node in nodesToProcess)
{
cancellationToken.ThrowIfCancellationRequested();
var symbol = graphBuilder.GetSymbol(node, cancellationToken);
if (symbol != null)
{
foreach (var newSymbol in SymbolContainment.GetContainedSymbols(symbol))
{
cancellationToken.ThrowIfCancellationRequested();
var newNode = await graphBuilder.AddNodeAsync(
newSymbol, relatedNode: node, cancellationToken).ConfigureAwait(false);
graphBuilder.AddLink(node, GraphCommonSchema.Contains, newNode, cancellationToken);
}
}
else if (node.HasCategory(CodeNodeCategories.File))
{
var document = graphBuilder.GetContextDocument(node, cancellationToken);
if (document != null)
{
foreach (var newSymbol in await SymbolContainment.GetContainedSymbolsAsync(document, cancellationToken).ConfigureAwait(false))
{
cancellationToken.ThrowIfCancellationRequested();
var newNode = await graphBuilder.AddNodeAsync(
newSymbol, relatedNode: node, cancellationToken).ConfigureAwait(false);
graphBuilder.AddLink(node, GraphCommonSchema.Contains, newNode, cancellationToken);
}
}
}
}
nodesToProcess = newNodes;
}
return graphBuilder;
}
}
|