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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.Runtime.InteropServices
Imports Microsoft.CodeAnalysis.VisualBasic.Syntax
Namespace Microsoft.CodeAnalysis.VisualBasic
''' <summary>
''' Allows asking semantic questions about a TypeSyntax or RangeArgumentSyntax node within a member, that did not appear in the original source code.
''' Typically, an instance is obtained by a call to SemanticModel.TryGetSpeculativeSemanticModel.
''' </summary>
Friend NotInheritable Class SpeculativeMemberSemanticModel
Inherits MemberSemanticModel
''' <summary>
''' Creates a speculative SemanticModel for a TypeSyntax or a RangeArgumentSyntax node at a position within an existing MemberSemanticModel.
''' </summary>
Public Sub New(parentSemanticModel As SpeculativeSemanticModelWithMemberModel, root As VisualBasicSyntaxNode, binder As Binder)
MyBase.New(root, binder, containingPublicSemanticModel:=parentSemanticModel)
Debug.Assert(root IsNot Nothing)
Debug.Assert(TypeOf root Is TypeSyntax OrElse TypeOf root Is RangeArgumentSyntax)
End Sub
Friend Overrides Function TryGetSpeculativeSemanticModelForMethodBodyCore(parentModel As SyntaxTreeSemanticModel, position As Integer, method As MethodBlockBaseSyntax, <Out> ByRef speculativeModel As PublicSemanticModel) As Boolean
Throw ExceptionUtilities.Unreachable
End Function
Friend Overrides Function TryGetSpeculativeSemanticModelCore(parentModel As SyntaxTreeSemanticModel, position As Integer, statement As ExecutableStatementSyntax, <Out> ByRef speculativeModel As PublicSemanticModel) As Boolean
Throw ExceptionUtilities.Unreachable
End Function
Friend Overrides Function TryGetSpeculativeSemanticModelCore(parentModel As SyntaxTreeSemanticModel, position As Integer, initializer As EqualsValueSyntax, <Out> ByRef speculativeModel As PublicSemanticModel) As Boolean
Throw ExceptionUtilities.Unreachable
End Function
End Class
End Namespace
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