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src/Features/CSharp/Portable/Structure/Providers/SwitchStatementStructureProvider.cs
43 строки
2 KB
Cyrus Najmabadi
Add support for outlining switch expressions
21 янв 2025, 02:21
21 янв 2025, 02:21
8fd131c
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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.Threading; using Microsoft.CodeAnalysis.CSharp.Syntax; using Microsoft.CodeAnalysis.PooledObjects; using Microsoft.CodeAnalysis.Structure; using Microsoft.CodeAnalysis.Text; namespace Microsoft.CodeAnalysis.CSharp.Structure; internal sealed class SwitchStatementStructureProvider : AbstractSyntaxNodeStructureProvider<SwitchStatementSyntax> { protected override void CollectBlockSpans( SyntaxToken previousToken, SwitchStatementSyntax node, ArrayBuilder<BlockSpan> spans, BlockStructureOptions options, CancellationToken cancellationToken) { spans.Add(new BlockSpan( isCollapsible: true, textSpan: TextSpan.FromBounds(node.CloseParenToken != default ? node.CloseParenToken.Span.End : node.Expression.Span.End, node.CloseBraceToken.Span.End), hintSpan: node.Span, type: BlockTypes.Conditional)); foreach (var section in node.Sections) { if (section.Labels.Count > 0 && section.Statements.Count > 0) { var start = section.Labels.Last().ColonToken.Span.End; var end = section.Statements.Last().Span.End; spans.Add(new BlockSpan( isCollapsible: true, textSpan: TextSpan.FromBounds(start, end), hintSpan: section.Span, type: BlockTypes.Statement)); } } } }