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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.Statements
''' <summary>
''' Recommends the "For" keyword for the statement context
''' </summary>
Friend Class ForKeywordRecommender
Inherits AbstractKeywordRecommender
Protected Overrides Function RecommendKeywords(context As VisualBasicSyntaxContext, cancellationToken As CancellationToken) As ImmutableArray(Of RecommendedKeyword)
If context.IsMultiLineStatementContext Then
Return ImmutableArray.Create(
New RecommendedKeyword("For", VBFeaturesResources.Introduces_a_loop_that_is_iterated_a_specified_number_of_times),
New RecommendedKeyword("For Each", VBFeaturesResources.Introduces_a_loop_that_is_repeated_for_each_element_in_a_collection))
End If
' Are we after Exit or Continue?
If context.FollowsEndOfStatement Then
Return ImmutableArray(Of RecommendedKeyword).Empty
End If
Dim targetToken = context.TargetToken
If targetToken.IsKind(SyntaxKind.ExitKeyword, SyntaxKind.ContinueKeyword) AndAlso
context.IsInStatementBlockOfKind(SyntaxKind.ForBlock, SyntaxKind.ForEachBlock) AndAlso
Not context.IsInStatementBlockOfKind(SyntaxKind.FinallyBlock) Then
If targetToken.IsKind(SyntaxKind.ExitKeyword) Then
Return ImmutableArray.Create(New RecommendedKeyword("For", VBFeaturesResources.Exits_a_For_loop_and_transfers_execution_immediately_to_the_statement_following_the_Next_statement))
Else
Return ImmutableArray.Create(New RecommendedKeyword("For", VBFeaturesResources.Transfers_execution_immediately_to_the_next_iteration_of_the_For_loop))
End If
End If
Return ImmutableArray(Of RecommendedKeyword).Empty
End Function
End Class
End Namespace
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