' 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 Microsoft.CodeAnalysis.Collections

Namespace Microsoft.CodeAnalysis.VisualBasic.Symbols

    Friend NotInheritable Class ErrorMethodSymbol
        Inherits MethodSymbol

        Public Shared ReadOnly UnknownMethod As ErrorMethodSymbol = New ErrorMethodSymbol(ErrorTypeSymbol.UnknownResultType, ErrorTypeSymbol.UnknownResultType, String.Empty)

        Private ReadOnly _containingType As TypeSymbol
        Private ReadOnly _returnType As TypeSymbol
        Private ReadOnly _name As String

        Public Sub New(containingType As TypeSymbol, returnType As TypeSymbol, name As String)
            _containingType = containingType
            _returnType = returnType
            _name = name
        End Sub

        Public Overrides ReadOnly Property Arity As Integer
            Get
                Return 0
            End Get
        End Property

        Public Overrides ReadOnly Property AssociatedSymbol As Symbol
            Get
                Return Nothing
            End Get
        End Property

        Friend Overrides ReadOnly Property CallingConvention As Microsoft.Cci.CallingConvention
            Get
                Return Microsoft.Cci.CallingConvention.Default
            End Get
        End Property

        Public Overrides ReadOnly Property ContainingSymbol As Symbol
            Get
                Return _containingType
            End Get
        End Property

        Public Overrides ReadOnly Property DeclaredAccessibility As Accessibility
            Get
                Return Accessibility.Public
            End Get
        End Property

        Public Overrides ReadOnly Property DeclaringSyntaxReferences As ImmutableArray(Of SyntaxReference)
            Get
                Return ImmutableArray(Of SyntaxReference).Empty
            End Get
        End Property

        Public Overrides ReadOnly Property ExplicitInterfaceImplementations As ImmutableArray(Of MethodSymbol)
            Get
                Return ImmutableArray(Of MethodSymbol).Empty
            End Get
        End Property

        Friend Overrides Function GetAppliedConditionalSymbols() As ImmutableArray(Of String)
            Return ImmutableArray(Of String).Empty
        End Function

        Public Overrides Function GetDllImportData() As DllImportData
            Return Nothing
        End Function

        Friend Overrides Function GetSecurityInformation() As IEnumerable(Of Microsoft.Cci.SecurityAttribute)
            Return SpecializedCollections.EmptyEnumerable(Of Microsoft.Cci.SecurityAttribute)()
        End Function

        Friend Overrides ReadOnly Property HasDeclarativeSecurity As Boolean
            Get
                Return False
            End Get
        End Property

        Friend Overrides ReadOnly Property HasSpecialName As Boolean
            Get
                Return False
            End Get
        End Property

        Friend Overrides ReadOnly Property ImplementationAttributes As Reflection.MethodImplAttributes
            Get
                Return Nothing
            End Get
        End Property

        Public Overrides ReadOnly Property IsAsync As Boolean
            Get
                Return False
            End Get
        End Property

        Public Overrides ReadOnly Property IsExtensionMethod As Boolean
            Get
                Return False
            End Get
        End Property

        Public Overrides ReadOnly Property IsExternalMethod As Boolean
            Get
                Return False
            End Get
        End Property

        Public Overrides ReadOnly Property IsIterator As Boolean
            Get
                Return False
            End Get
        End Property

        Public Overrides ReadOnly Property IsInitOnly As Boolean
            Get
                Return False
            End Get
        End Property

        Friend Overrides ReadOnly Property IsMethodKindBasedOnSyntax As Boolean
            Get
                Return False
            End Get
        End Property

        Public Overrides ReadOnly Property IsMustOverride As Boolean
            Get
                Return False
            End Get
        End Property

        Public Overrides ReadOnly Property IsNotOverridable As Boolean
            Get
                Return False
            End Get
        End Property

        Public Overrides ReadOnly Property IsOverloads As Boolean
            Get
                Return False
            End Get
        End Property

        Public Overrides Function GetOverloadResolutionPriority() As Integer
            Return 0
        End Function

        Public Overrides ReadOnly Property IsOverridable As Boolean
            Get
                Return False
            End Get
        End Property

        Public Overrides ReadOnly Property IsOverrides As Boolean
            Get
                Return False
            End Get
        End Property

        Public Overrides ReadOnly Property IsShared As Boolean
            Get
                Return False
            End Get
        End Property

        Public Overrides ReadOnly Property IsSub As Boolean
            Get
                Return _returnType.SpecialType = SpecialType.System_Void
            End Get
        End Property

        Public Overrides ReadOnly Property IsVararg As Boolean
            Get
                Return False
            End Get
        End Property

        Public Overrides ReadOnly Property Locations As ImmutableArray(Of Location)
            Get
                Return ImmutableArray(Of Location).Empty
            End Get
        End Property

        Public Overrides ReadOnly Property MethodKind As MethodKind
            Get
                Return MethodKind.Ordinary
            End Get
        End Property

        Friend Overrides ReadOnly Property ObsoleteAttributeData As ObsoleteAttributeData
            Get
                Return Nothing
            End Get
        End Property

        Public Overrides ReadOnly Property Parameters As ImmutableArray(Of ParameterSymbol)
            Get
                Return ImmutableArray(Of ParameterSymbol).Empty
            End Get
        End Property

        Public Overrides ReadOnly Property ReturnsByRef As Boolean
            Get
                Return False
            End Get
        End Property

        Public Overrides ReadOnly Property ReturnType As TypeSymbol
            Get
                Return _returnType
            End Get
        End Property

        Public Overrides ReadOnly Property ReturnTypeCustomModifiers As ImmutableArray(Of CustomModifier)
            Get
                Return ImmutableArray(Of CustomModifier).Empty
            End Get
        End Property

        Public Overrides ReadOnly Property RefCustomModifiers As ImmutableArray(Of CustomModifier)
            Get
                Return ImmutableArray(Of CustomModifier).Empty
            End Get
        End Property

        Friend Overrides ReadOnly Property ReturnTypeMarshallingInformation As MarshalPseudoCustomAttributeData
            Get
                Return Nothing
            End Get
        End Property

        Friend Overrides ReadOnly Property Syntax As SyntaxNode
            Get
                Return Nothing
            End Get
        End Property

        Public Overrides ReadOnly Property TypeArguments As ImmutableArray(Of TypeSymbol)
            Get
                Return ImmutableArray(Of TypeSymbol).Empty
            End Get
        End Property

        Public Overrides ReadOnly Property TypeParameters As ImmutableArray(Of TypeParameterSymbol)
            Get
                Return ImmutableArray(Of TypeParameterSymbol).Empty
            End Get
        End Property

        Friend Overrides Function IsMetadataNewSlot() As Boolean
            Return False
        End Function

        Friend Overrides ReadOnly Property GenerateDebugInfoImpl As Boolean
            Get
                Return False
            End Get
        End Property

        Friend Overrides Function CalculateLocalSyntaxOffset(localPosition As Integer, localTree As SyntaxTree) As Integer
            Throw ExceptionUtilities.Unreachable
        End Function

        Friend Overrides ReadOnly Property HasSetsRequiredMembers As Boolean
            Get
                Return False
            End Get
        End Property
    End Class
End Namespace