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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.Collections.Immutable
Imports System.Threading
Imports Microsoft.CodeAnalysis.Completion.Providers
Imports Microsoft.CodeAnalysis.VisualBasic.Extensions.ContextQuery
Namespace Microsoft.CodeAnalysis.VisualBasic.Completion.KeywordRecommenders.OptionStatements
''' <summary>
''' Recommends the "Option" keyword
''' </summary>
Friend Class OptionKeywordRecommender
Inherits AbstractKeywordRecommender
Private Shared ReadOnly s_keywords As ImmutableArray(Of RecommendedKeyword) =
ImmutableArray.Create(New RecommendedKeyword("Option", VBFeaturesResources.Introduces_a_statement_that_specifies_a_compiler_option_that_applies_to_the_entire_source_file))
Protected Overrides Function RecommendKeywords(context As VisualBasicSyntaxContext, CancellationToken As CancellationToken) As ImmutableArray(Of RecommendedKeyword)
If context.IsPreProcessorDirectiveContext Then
Return ImmutableArray(Of RecommendedKeyword).Empty
End If
Dim targetToken = context.TargetToken
' If we have no left token, then we're at the start of the file
If targetToken.Kind = SyntaxKind.None Then
Return s_keywords
End If
' Show if after an earlier option statement
If context.IsAfterStatementOfKind(SyntaxKind.OptionStatement) Then
Return s_keywords
End If
Return ImmutableArray(Of RecommendedKeyword).Empty
End Function
End Class
End Namespace
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