a language with an extensible compiler

from The Free On-line Dictionary of Computing (8 July 2008)

A Language with an Extensible Compiler
ALEC

   <language> (ALEC) A language Implemented using {RCC} on an
   {ICL 1906A}.

   ["ALEC - A User Extensible Scientific Programming Language",
   R.B.E. Napper et al, Computer J 19(1):25-31].

   (1995-04-19)