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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 "Try" keyword for the statement context
''' </summary>
Friend Class TryKeywordRecommender
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("Try", VBFeaturesResources.Provides_a_way_to_handle_some_or_all_possible_errors_that_might_occur_in_a_given_block_of_code_while_still_running_the_code_Try_bracket_Catch_bracket_Catch_Finally_End_Try))
End If
' Are we after Exit or Continue (but not in a Finally block)?
If context.FollowsEndOfStatement Then
Return ImmutableArray(Of RecommendedKeyword).Empty
End If
Dim targetToken = context.TargetToken
If targetToken.IsKind(SyntaxKind.ExitKeyword) AndAlso
context.IsInStatementBlockOfKind(SyntaxKind.TryBlock) AndAlso
Not context.IsInStatementBlockOfKind(SyntaxKind.FinallyBlock) Then
Return ImmutableArray.Create(New RecommendedKeyword("Try", VBFeaturesResources.Exits_a_Try_block_and_transfers_execution_immediately_to_the_statement_following_the_End_Try_statement))
End If
Return ImmutableArray(Of RecommendedKeyword).Empty
End Function
End Class
End Namespace
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