// Private Methods
private static ConstraintInfo Convert2(TypeParameterConstraintSyntax src, LangParseContext context)
{
if (src is ConstructorConstraintSyntax)
{
return new ConstraintInfo
{
Kind = ConstraintKind.ParameterlessConstructor
}
}
;
throw new NotSupportedException(src.GetType().ToString());
}
private static string TransformTypeConstraint(TypeParameterConstraintSyntax constraint)
{
if (constraint is TypeConstraintSyntax)
{
return(" <% " + TypeProcessor.ConvertType(constraint.As <TypeConstraintSyntax>().Type));
}
else if (constraint is ClassOrStructConstraintSyntax)
{
if (constraint.As <ClassOrStructConstraintSyntax>().ClassOrStructKeyword.Kind() == SyntaxKind.ClassKeyword)
{
return(" >: Null");
}
else
{
throw new Exception("struct type constraint not supported " + Utility.Descriptor(constraint));
}
}
else
{
throw new Exception(constraint.GetType().Name);
}
}