File: Completion\KeywordRecommenders\Declarations\AliasKeywordRecommender.vb
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Project: src\src\Features\VisualBasic\Portable\Microsoft.CodeAnalysis.VisualBasic.Features.vbproj (Microsoft.CodeAnalysis.VisualBasic.Features)
' 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
Imports Microsoft.CodeAnalysis.VisualBasic.Syntax
 
Namespace Microsoft.CodeAnalysis.VisualBasic.Completion.KeywordRecommenders.Declarations
    ''' <summary>
    ''' Recommends the "Alias" keyword in external method declarations.
    ''' </summary>
    Friend Class AliasKeywordRecommender
        Inherits AbstractKeywordRecommender
 
        Private Shared ReadOnly s_keywords As ImmutableArray(Of RecommendedKeyword) =
            ImmutableArray.Create(New RecommendedKeyword("Alias", VBFeaturesResources.Indicates_that_an_external_procedure_has_another_name_in_its_DLL))
 
        Protected Overrides Function RecommendKeywords(context As VisualBasicSyntaxContext, cancellationToken As CancellationToken) As ImmutableArray(Of RecommendedKeyword)
            If context.FollowsEndOfStatement Then
                Return ImmutableArray(Of RecommendedKeyword).Empty
            End If
 
            Dim targetToken = context.TargetToken
 
            Return If(targetToken.IsChildToken(Of DeclareStatementSyntax)(Function(declaration) declaration.LibraryName.Token),
                s_keywords,
                ImmutableArray(Of RecommendedKeyword).Empty)
        End Function
    End Class
End Namespace