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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.
Imports System.Threading
Imports Microsoft.CodeAnalysis.PooledObjects
Imports Microsoft.CodeAnalysis.Structure
Imports Microsoft.CodeAnalysis.Text
Namespace Microsoft.CodeAnalysis.VisualBasic.Structure
Friend Class DisabledTextTriviaStructureProvider
Inherits AbstractSyntaxTriviaStructureProvider
Public Overrides Sub CollectBlockSpans(trivia As SyntaxTrivia,
spans As ArrayBuilder(Of BlockSpan),
options As BlockStructureOptions,
cancellationToken As CancellationToken)
If trivia.Kind = SyntaxKind.DisabledTextTrivia Then
' Don't include trailing line breaks in spanToCollapse
Dim nodeSpan = trivia.Span
Dim startPos = nodeSpan.Start
Dim endPos = startPos + trivia.ToString().TrimEnd().Length
Dim span = TextSpan.FromBounds(startPos, endPos)
spans.AddIfNotNull(CreateBlockSpan(
span:=span, hintSpan:=span,
bannerText:=Ellipsis, autoCollapse:=True,
type:=BlockTypes.PreprocessorRegion,
isCollapsible:=True, isDefaultCollapsed:=False))
End If
End Sub
End Class
End Namespace
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