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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.Diagnostics
Imports System.Runtime.InteropServices
Imports Microsoft.CodeAnalysis.Text
Imports Microsoft.CodeAnalysis.VisualBasic.Symbols
Imports Microsoft.CodeAnalysis.VisualBasic.Syntax
Imports TypeKind = Microsoft.CodeAnalysis.TypeKind
Namespace Microsoft.CodeAnalysis.VisualBasic
Partial Friend NotInheritable Class LocalRewriter
Public Overrides Function VisitOmittedArgument(node As BoundOmittedArgument) As BoundNode
Debug.Assert(node.Type.IsObjectType)
Dim missingField As FieldSymbol = Nothing
If Not TryGetWellknownMember(missingField, WellKnownMember.System_Reflection_Missing__Value, node.Syntax) Then
Return node
End If
Dim fieldAccess = New BoundFieldAccess(node.Syntax, Nothing, missingField, isLValue:=False, type:=missingField.Type)
Dim useSiteInfo = GetNewCompoundUseSiteInfo()
Dim conversion = Conversions.ClassifyDirectCastConversion(fieldAccess.Type, node.Type, useSiteInfo)
_diagnostics.Add(node, useSiteInfo)
' Return Directcast(Missing.Value, Object)
Return New BoundDirectCast(node.Syntax, fieldAccess, conversion, node.Type)
End Function
End Class
End Namespace
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