ANTLR PlSqlParser VisitParameter override

VisitParameter.cs

public override object VisitParameter(PlSqlParser.ParameterContext context)
{
    var p = new Parameter
    {
        Name = context.parameter_name().GetText(),
        Direction =
            $"{context.GetChild<TerminalNodeImpl>(0)?.GetText() ?? "IN"}{context.GetChild<TerminalNodeImpl>(1)?.GetText()}",
        Type = context.type_spec().GetText()
    };

    Parameters.Add(p);
    return p;
}