ABCL/R2 is an object-oriented, concurrent, reflective programming language based on Hybrid Group Architecture. ABCL/R2 was produced by , , , , at the Tokyo Institute of Technology in 1992.

As a reflective language, an ABCL/R2 program can dynamically control its own behaviour, such as scheduling policy, from within a user-program. This system has almost all functions of ABCL/1 and is written in Common Lisp.

See also:

This article (or an earlier version of it) contains material from FOLDOC, used with permission.This article (or an earlier version of it) contains material from FOLDOC, used with permission.