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

        private void Jj_add_error_token(int kind, int pos)
        {
            if (pos >= 100) return;
            if (pos == jj_endpos + 1)
            {
                jj_lasttokens[jj_endpos++] = kind;
            }
            else if (jj_endpos != 0)
            {
                jj_expentry = new int[jj_endpos];
                for (int i = 0; i < jj_endpos; i++)
                {
                    jj_expentry[i] = jj_lasttokens[i];
                }

                foreach (var oldentry in jj_expentries)
                {
                    if (oldentry.Length == jj_expentry.Length)
                    {
                        for (int i = 0; i < jj_expentry.Length; i++)
                        {
                            if (oldentry[i] != jj_expentry[i])
                            {
                                continue;
                            }
                        }
                        jj_expentries.Add(jj_expentry);
                        break;
                    }
                }
                if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind;
            }
        }