' 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.CompilerServices
 
Namespace Microsoft.CodeAnalysis.VisualBasic.Utilities
    Friend Module SymbolExtensions
        <Extension>
        Public Function FindRelatedExplicitlyDeclaredSymbol(symbol As ISymbol, compilation As Compilation) As ISymbol
            ' For example: My.Forms.[|LoginForm|]
            ' LoginForm is a SynthesizedMyGroupCollectionPropertySymbol with no Location. Use the
            ' type of this property, the actual LoginForm type itself, for navigation purposes.
 
            If symbol.IsKind(SymbolKind.Property) AndAlso symbol.IsImplicitlyDeclared Then
                Dim propertySymbol = DirectCast(symbol, IPropertySymbol)
                If propertySymbol.ContainingType IsNot Nothing AndAlso
                   propertySymbol.ContainingType.Name = "MyForms" AndAlso
                   propertySymbol.ContainingType.ContainingNamespace IsNot Nothing AndAlso
                   propertySymbol.ContainingType.ContainingNamespace.IsMyNamespace(compilation) Then
 
                    Return propertySymbol.Type
                End If
            End If
 
            Return symbol
        End Function
    End Module
End Namespace