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From: Ted Dennison <dennison@telepath.com>
Subject: Re: ada2cpp
Date: 2000/01/28
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In article <86svea$oal$1@nnrp1.deja.com>,
  David C. Hoos, Sr. <david.c.hoos.sr@ada95.com> wrote:
> In article <86sn03$hmj$1@nnrp1.deja.com>,
>   Ted Dennison <dennison@telepath.com> wrote:
> > Gnat doesn't compile Ada83 code, just Ada 95.
> >
> Where did you ever get that idea?

By reading the Gnat docs (and actually using it on a project once):
> you specify this switch, GNAT rejects most Ada 95 extensions and
> applies Ada 83 semantics where this can be done easily. It is not
> possible to guarantee this switch does a perfect job; for example,
some
> subtle tests, such as are found in earlier ACVC tests (that have been
> removed from the ACVC suite for Ada 95), may not compile correctly.

Another way to look at it is, "Is this switch intended to allow me to
compile working Ada 83 code under gnat?" Here's the answer to that:
> However, for most purposes, using this switch should help to ensure
> that programs that compile correctly under the -gnat83 switch can be
> ported easily to an Ada 83 compiler. This is the main use of the
> switch.

It is useful for some source compatability purposes. But it does *not*
put Gnat into a mode where it is an Ada83 compiler.

--
T.E.D.

http://www.telepath.com/~dennison/Ted/TED.html


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