private static TypeMetricKind GetMetricKind(TypeDeclarationSyntax type)
{
switch (type.Kind())
{
case SyntaxKind.ClassDeclaration:
return TypeMetricKind.Class;
case SyntaxKind.StructDeclaration:
return TypeMetricKind.Struct;
case SyntaxKind.InterfaceDeclaration:
return TypeMetricKind.Interface;
default:
return TypeMetricKind.Unknown;
}
}
// This code was copied from the Roslyn code base (and slightly modified). It can be removed if
// TypeDeclarationSyntaxExtensions.WithModifiers is made public (Roslyn issue #2186)
private static TypeDeclarationSyntax ReplaceModifiers(TypeDeclarationSyntax node, SyntaxTokenList modifiers)
{
switch (node.Kind())
{
case SyntaxKind.ClassDeclaration:
return ((ClassDeclarationSyntax)node).WithModifiers(modifiers);
case SyntaxKind.InterfaceDeclaration:
return ((InterfaceDeclarationSyntax)node).WithModifiers(modifiers);
case SyntaxKind.StructDeclaration:
return ((StructDeclarationSyntax)node).WithModifiers(modifiers);
}
return node;
}
private void ClassifyUpdate(TypeDeclarationSyntax oldNode, TypeDeclarationSyntax newNode)
{
if (oldNode.Kind() != newNode.Kind())
{
ReportError(RudeEditKind.TypeKindUpdate);
return;
}
if (!SyntaxFactory.AreEquivalent(oldNode.Modifiers, newNode.Modifiers))
{
ReportError(RudeEditKind.ModifiersUpdate);
return;
}
if (!SyntaxFactory.AreEquivalent(oldNode.Identifier, newNode.Identifier))
{
ReportError(RudeEditKind.Renamed);
return;
}
Debug.Assert(!SyntaxFactory.AreEquivalent(oldNode.BaseList, newNode.BaseList));
ReportError(RudeEditKind.BaseTypeOrInterfaceUpdate);
}
// This code was copied from the Roslyn code base (and slightly modified). It can be removed if
// TypeDeclarationSyntaxExtensions.WithModifiers is made public (Roslyn issue #2186)
private static TypeDeclarationSyntax ReplaceKeyword(TypeDeclarationSyntax node, SyntaxToken keyword)
{
switch (node.Kind())
{
case SyntaxKind.ClassDeclaration:
return ((ClassDeclarationSyntax)node).WithKeyword(keyword);
case SyntaxKind.InterfaceDeclaration:
return ((InterfaceDeclarationSyntax)node).WithKeyword(keyword);
case SyntaxKind.StructDeclaration:
return ((StructDeclarationSyntax)node).WithKeyword(keyword);
}
return node;
}
/// <summary>
/// Get a source type symbol for the given declaration syntax.
/// </summary>
/// <returns>Null if there is no matching declaration.</returns>
internal SourceNamedTypeSymbol GetSourceTypeMember(TypeDeclarationSyntax syntax)
{
return GetSourceTypeMember(syntax.Identifier.ValueText, syntax.Arity, syntax.Kind(), syntax);
}