Re: Smalltalk-80 as an Ada software environment

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Article #315

#315

From: Jean-Francois Lamy
Date: Thu, 28 Aug 1986 16:34

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In article <254@linus.UUCP> sdl@linus.UUCP (Steven D. Litvintchouk) writes:
>3.  Software reusability, by taking a Smalltalk class hierarchy and
>	constructing its Ada equivalent (using Ada
>	packages and compilation order semantics).  (You would 
>	build a prototype/model class hierarchy in Smalltalk, and
>	after modelling/simulation convinced you it was OK, you would
>	then transliterate it to the corresponding Ada equivalent
>	for the final product.)

At first glance this is going to be very hard. Emulating "virtual"
routines (i.e. when a subclass' routines redefines the superclass') is
not elegant not efficient (requires heavy and dirty use of generics).
Ada just isn't a good object-oriented language.

Jean-Francois Lamy
AI Group, Dept of Computer Science     CSNet: lamy@ai.toronto.edu
University of Toronto		       EAN:   lamy@ai.toronto.cdn
Toronto, ON, Canada M5S 1A4	       UUCP:  lamy@utai.uucp
-- 

Jean-Francois Lamy
AI Group, Dept of Computer Science     CSNet: lamy@ai.toronto.edu
University of Toronto		       EAN:   lamy@ai.toronto.cdn
Toronto, ON, Canada M5S 1A4	       UUCP:  lamy@utai.uucp

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Path: arc1-ca.pugleaf.net!utzoo!utcsri!utai!lamy
From: lamy@utai.UUCP (Jean-Francois Lamy)
Newsgroups: net.lang.st80,net.lang.ada
Subject: Re: Smalltalk-80 as an Ada software environment
Message-ID: <2203@utai.UUCP>
Date: Thu, 28-Aug-86 12:34:39 EDT
Article-I.D.: utai.2203
Posted: Thu Aug 28 12:34:39 1986
Date-Received: Sun, 31-Aug-86 08:51:13 EDT
Reply-To: lamy@utai.UUCP (Jean-Francois Lamy)
Organization: CSRI, University of Toronto
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