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

        private bool jj_scan_token(int kind)
        {
            if (jj_scanpos == jj_lastpos)
            {
                jj_la--;
                if (jj_scanpos.next == null)
                {
                    jj_lastpos = jj_scanpos = jj_scanpos.next = token_source.GetNextToken();
                }
                else
                {
                    jj_lastpos = jj_scanpos = jj_scanpos.next;
                }
            }
            else
            {
                jj_scanpos = jj_scanpos.next;
            }
            if (jj_rescan)
            {
                int i = 0;
                Token tok = token;
                while (tok != null && tok != jj_scanpos)
                {
                    i++;
                    tok = tok.next;
                }
                if (tok != null) Jj_add_error_token(kind, i);
            }
            if (jj_scanpos.kind != kind) return true;
            if (jj_la == 0 && jj_scanpos == jj_lastpos) throw jj_ls;
            return false;
        }