From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=BAYES_00,INVALID_DATE autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,37ed89588a753b4c X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 1994-10-14 01:42:25 PST Newsgroups: comp.lang.ada Path: bga.com!news.sprintlink.net!howland.reston.ans.net!cs.utexas.edu!convex!news.duke.edu!MathWorks.Com!yeshua.marcam.com!charnel.ecst.csuchico.edu!csusac!csus.edu!netcom.com!dtroup From: dtroup@netcom.com (Dennis Troup) Subject: Re: ARPA still undermining Ada Message-ID: Fcc: outbox Organization: NETCOM On-line Communication Services (408 261-4700 guest) References: <37bph1$naq@gnat.cs.nyu.edu> <37ecru$niq@news.manassas.ibm.com> Date: Fri, 14 Oct 1994 06:27:50 GMT Date: 1994-10-14T06:27:50+00:00 List-Id: In article , Tarjei Jensen wrote: >In article <37ecru$niq@news.manassas.ibm.com> hoodt@postoffice.manassas.ibm.com (Thomas Hood 913-4501) writes: > >> I'm sure the Arcadia project at UC Irvine would _really_ interested in >> knowing that ARPA doesn't want them to use Ada ;-) > >Much of the parts of that project seems to have been done in C. If they are >promoting Ada they have a strange way of showing it. > >Disclaimer: I have not looked into all parts of the Arcadia project, but where >I looked I found only C. It's true that not all parts of the Arcadia project are written in Ada. However, it is the primary language, or at least it was when I was there. I was one of the primary designers of the Arcadia user interface management system, Chiron. It is written in a combination of Ada and C++. I chose to use the languages which I felt worked best for the different parts of Chiron. I didn't have to use Ada, rather I chose to use it. If Ada 9x was available back then, Chiron would probably have been done entirely in Ada. C++ is used within Chiron for its inheritance and classes which Ada 83 lacks. Chiron, alone, has tens of thousands of lines of Ada. So, how hard did you look? Dennis Troup -- Dennis B. Troup, Ph.D. dtroup@netcom.com Frederick, MD 301-620-8761 KD6DPR