internal string AddImplementedInterface(
SyntaxNode node,
object @base,
object position = null
)
{
var semanticModel = GetSemanticModel();
var typeSymbol = CodeModelService.GetTypeSymbol(@base, semanticModel, node.SpanStart);
// If a CodeType or CodeTypeRef was specified, we need to verify that a
// valid base type was specified (i.e. an interface for a struct or class).
if (
CodeModelInterop.CanChangedVariantType(@base, VarEnum.VT_UNKNOWN) &&
!CodeModelService.IsValidInterfaceType(node, typeSymbol)
)
{
throw Exceptions.ThrowEInvalidArg();
}
var realPosition = GetRealPosition(position);
var updatedNode = CodeModelService.AddImplementedInterface(
node,
typeSymbol,
semanticModel,
realPosition
);
if (node != updatedNode)
{
UpdateNode(node, updatedNode);
}
return(typeSymbol.Name);
}