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Sender: "Team Ada: Ada Advocacy Issues (83 & 95)" <[log in to unmask]>
From: "S. Ron Oliver" <[log in to unmask]>
Date: Thu, 8 Feb 2001 17:18:29 -0700
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Reply-To: "S. Ron Oliver" <[log in to unmask]>
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At 04:45 PM 2/8/01 -0600, Randy Brukardt wrote:

> > A agree with you that JVM is "the" strong point of Java, so
> > when do we make our AVM then ?  (Ada Virtual Machines) huh?
>It already exists.

Based on the rest of your message you mean "sorta" exists.

>We did use JCode for (1), and it has evolved to include many Ada 95 features
>(such as protected types). Building an interpreter for it would be
>relatively easy, but it seems pointless. The primary advantage of the JVM is
>its ubiquity; a JCode interpreter would be available only on machines for
>which it was created (probably a set similar to that which support Ada

The point is, why couldn't your "JCode" compiler become a ubiquitous VM
interpreter, with relatively little effort?  With GNAT it seems to me that
virtually every machine of importance now supports Ada.

>If I was designing JCode today, I would do a variety of things differently
>(mainly eliminating implicit conversions, which as much trouble at this
>level as they are in a programming language). And I suppose it would have to
>have some form of dynamic loading (JCode doesn't have things that would
>conflict with uses (1) and (2), of course).

I'm not sure what all this means,  But maybe you should give it some more
thought.  (?)  :)


S. Ron Oliver, semi-retired professor of Computer Science and Computer

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