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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.
using System;
using System.Collections.Immutable;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Classification.Classifiers;
using Microsoft.CodeAnalysis.Collections;
using Microsoft.CodeAnalysis.ErrorReporting;
using Microsoft.CodeAnalysis.Text;
using Roslyn.Utilities;
namespace Microsoft.CodeAnalysis.Classification;
internal abstract partial class AbstractSyntaxClassificationService : ISyntaxClassificationService
{
public abstract void AddLexicalClassifications(SourceText text, TextSpan textSpan, SegmentedList<ClassifiedSpan> result, CancellationToken cancellationToken);
public abstract void AddSyntacticClassifications(SyntaxNode root, ImmutableArray<TextSpan> textSpans, SegmentedList<ClassifiedSpan> result, CancellationToken cancellationToken);
public abstract ImmutableArray<ISyntaxClassifier> GetDefaultSyntaxClassifiers();
public abstract ClassifiedSpan FixClassification(SourceText text, ClassifiedSpan classifiedSpan);
public abstract string? GetSyntacticClassificationForIdentifier(SyntaxToken identifier);
public async Task AddSemanticClassificationsAsync(
Document document,
ImmutableArray<TextSpan> textSpans,
ClassificationOptions options,
Func<SyntaxNode, ImmutableArray<ISyntaxClassifier>> getNodeClassifiers,
Func<SyntaxToken, ImmutableArray<ISyntaxClassifier>> getTokenClassifiers,
SegmentedList<ClassifiedSpan> result,
CancellationToken cancellationToken)
{
try
{
// No need to do nullable analysis for classification
var semanticModel = await document.GetRequiredNullableDisabledSemanticModelAsync(cancellationToken).ConfigureAwait(false);
AddSemanticClassifications(semanticModel, textSpans, getNodeClassifiers, getTokenClassifiers, result, options, cancellationToken);
}
catch (Exception e) when (FatalError.ReportAndPropagateUnlessCanceled(e, cancellationToken))
{
throw ExceptionUtilities.Unreachable();
}
}
public void AddSemanticClassifications(
SemanticModel semanticModel,
ImmutableArray<TextSpan> textSpans,
Func<SyntaxNode, ImmutableArray<ISyntaxClassifier>> getNodeClassifiers,
Func<SyntaxToken, ImmutableArray<ISyntaxClassifier>> getTokenClassifiers,
SegmentedList<ClassifiedSpan> result,
ClassificationOptions options,
CancellationToken cancellationToken)
{
Worker.Classify(semanticModel, textSpans, result, getNodeClassifiers, getTokenClassifiers, options, cancellationToken);
}
public TextChangeRange? ComputeSyntacticChangeRange(SyntaxNode oldRoot, SyntaxNode newRoot, TimeSpan timeout, CancellationToken cancellationToken)
=> SyntacticChangeRangeComputer.ComputeSyntacticChangeRange(oldRoot, newRoot, timeout, cancellationToken);
}
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