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

        private Token Jj_consume_token(int kind)
        {
            Token oldToken;
            if ((oldToken = token).next != null) token = token.next;
            else token = token.next = token_source.GetNextToken();
            jj_ntk = -1;
            if (token.kind == kind)
            {
                jj_gen++;
                if (++jj_gc > 100)
                {
                    jj_gc = 0;
                    for (int i = 0; i < jj_2_rtns.Length; i++)
                    {
                        JJCalls c = jj_2_rtns[i];
                        while (c != null)
                        {
                            if (c.gen < jj_gen) c.first = null;
                            c = c.next;
                        }
                    }
                }
                return token;
            }
            token = oldToken;
            jj_kind = kind;
            throw GenerateParseException();
        }