Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uwm.edu!ogicse!zephyr.ens.tek.com!tekchips!tekgvs!toma From: toma@tekgvs.LABS.TEK.COM (Tom Almy) Newsgroups: comp.lang.lisp.x Subject: Re: Step debugger for XLISP 2.1 Message-ID: <8498@tekgvs.LABS.TEK.COM> Date: 28 Nov 90 17:18:36 GMT References: <1990Nov28.011416.665@math.lsa.umich.edu> Reply-To: toma@tekgvs.LABS.TEK.COM (Tom Almy) Organization: Tektronix, Inc., Beaverton, OR. Lines: 11 A nice piece of code, not only useful to use, but also useful to study, IMHO. Those readers who don't have the previous version of this debugger might want to add this line which is missing from this version (but needed): (defmacro while (test &rest forms) `(do () ((not ,test)) ,@forms)) Tom Almy toma@tekgvs.labs.tek.com Standard Disclaimers Apply