Aflex is a lexical analyzer generating tool similar to the Unix tool lex.
The first implementation was written by John Self of the Arcadia project at the University of California, Irvine. The last version that was released appeared to be the aflex 1.4a released in 1994.
Aflex was used and improved by P2Ada, the Pascal to Ada translator. This version of Aflex is derived from the P2Ada aflex implementation released in August 2010.
This version brings a number of improvements: