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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 Microsoft.CodeAnalysis.Text
Imports Microsoft.CodeAnalysis.VisualBasic.Symbols
Imports Microsoft.CodeAnalysis.VisualBasic.Syntax
Namespace Microsoft.CodeAnalysis.VisualBasic
Partial Friend Class BoundUnaryOperator
Public Sub New(
syntax As SyntaxNode,
operatorKind As UnaryOperatorKind,
operand As BoundExpression,
checked As Boolean,
type As TypeSymbol,
Optional hasErrors As Boolean = False
)
Me.New(syntax, operatorKind, operand, checked, constantValueOpt:=Nothing, type:=type, hasErrors:=hasErrors OrElse operand.HasErrors())
End Sub
#If DEBUG Then
Private Sub Validate()
ValidateConstantValue()
Operand.AssertRValue()
Debug.Assert(HasErrors OrElse Type.IsSameTypeIgnoringAll(Operand.Type))
End Sub
#End If
Public Overrides ReadOnly Property ExpressionSymbol As Symbol
Get
If (OperatorKind And UnaryOperatorKind.Error) = 0 Then
Dim op As UnaryOperatorKind = (OperatorKind And UnaryOperatorKind.OpMask)
Dim operandType = TryCast(Operand.Type.GetNullableUnderlyingTypeOrSelf(), NamedTypeSymbol)
If operandType IsNot Nothing Then
Dim isChecked = Checked AndAlso operandType.IsIntegralType() AndAlso op = UnaryOperatorKind.Minus
Dim opName As String = OverloadResolution.TryGetOperatorName(OperatorKind, isChecked)
If opName IsNot Nothing Then
Return New SynthesizedIntrinsicOperatorSymbol(
operandType,
opName,
Type.GetNullableUnderlyingTypeOrSelf())
End If
End If
End If
Return Nothing
End Get
End Property
End Class
End Namespace
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