Lucene.Net.QueryParsers.QueryParser.Clause C# (CSharp) Method

        public Query Clause(String field)
        {
            Query q;
            Token fieldToken = null, boost = null;
            if (Jj_2_1(2))
            {
                switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
                {
                    case TermToken:
                        fieldToken = Jj_consume_token(TermToken);
                        Jj_consume_token(ColonToken);
                        field = DiscardEscapeChar(fieldToken.image);
                        break;
                    case StarToken:
                        Jj_consume_token(StarToken);
                        Jj_consume_token(ColonToken);
                        field = "*";
                        break;
                    default:
                        jj_la1[5] = jj_gen;
                        Jj_consume_token(-1);
                        throw new ParseException();
                }
            }
            else
            {
                ;
            }
            switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
            {
                case StarToken:
                case QuotedToken:
                case TermToken:
                case PrefixTermToken:
                case WildTermToken:
                case RangeInStartToken:
                case RangeExStartToken:
                case NumberToken:
                    q = Term(field);
                    break;
                case LParanToken:
                    Jj_consume_token(LParanToken);
                    q = Query(field);
                    Jj_consume_token(RParenToken);
                    switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
                    {
                        case CaratToken:
                            Jj_consume_token(CaratToken);
                            boost = Jj_consume_token(NumberToken);
                            break;
                        default:
                            jj_la1[6] = jj_gen;
                            break;
                    }
                    break;
                default:
                    jj_la1[7] = jj_gen;
                    Jj_consume_token(-1);
                    throw new ParseException();
            }
            if (boost != null)
            {
                try
                {
                    float f = Single.Parse(boost.image);
                    q.Boost = f;
                }
                catch (Exception)
                {
                }
            }
            {
                if (true) return q;
            }
            throw new Exception("Missing return statement in function");
        }