The Free On-line Dictionary of Computing (30 December 2018):

aflex

    A Lex-like scanner generator that produce Ada
   output from IRUS (Irvine Research Unit in Software).  aflex
   comes with ayacc.

   Version 1.2a.

   Mailing list: .

   (ftp://liege.ics.uci.edu/pub/irus/aflex-ayacc_1.2a.tar.Z).

   (1993-01-06)