From: dewarr@my-dejanews.com
Subject: Re: Operating System in Ada (was Ada --> C Translation)
Date: 1998/10/14
Date: 1998-10-14T00:00:00+00:00 [thread overview]
Message-ID: <700s86$7vm$1@nnrp1.dejanews.com> (raw)
In-Reply-To: 87d87xmdkn.fsf@mihalis.ix.netcom.com
In article <87d87xmdkn.fsf@mihalis.ix.netcom.com>,
Chris Morgan <mihalis@ix.netcom.com> wrote:
> kilgallen@eisner.decus.org (Larry Kilgallen) writes:
>
> > The operating system that most people would think about copying first
> > is Unix -- and that seems like a non-starter from its anti-Ada interfaces
> > (null-terminated strings and the like). Yes it is possible to interact,
> > but it is not in the "spirit" of Ada.
>
> I totally disagree with this. My view of Ada strings is that they are
> a higher level construct than C style strings. I believe at least some
> Ada implementations on top of Unix simply use many of the standard C
> library's string functions under the hood. I may be wrong but isn't a
> null-terminated string a valid representation of an Ada string?
>
> Chris
It is conceivable, but it is certainly not a likely representation, since
it does not handle the case of slices without copies. And in any case you
need to store the lower bound, so why not the length as well.
Robert Dewar
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next prev parent reply other threads:[~1998-10-14 0:00 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-09-20 0:00 Win CE target William A Whitaker
1998-09-20 0:00 ` Tucker Taft
1998-09-21 0:00 ` dennison
1998-09-21 0:00 ` dewarr
1998-09-28 0:00 ` Ada --> C Translation, was: " Stefan Helfert
1998-09-29 0:00 ` Tucker Taft
1998-09-30 0:00 ` dewarr
1998-09-29 0:00 ` Robert A Duff
1998-10-10 0:00 ` Dr Amirez
1998-10-11 0:00 ` Dale Stanbrough
1998-10-10 0:00 ` Dr Amirez
1998-10-11 0:00 ` Dale Stanbrough
1998-10-11 0:00 ` Dr Amirez
1998-10-12 0:00 ` Niklas Holsti
1998-10-12 0:00 ` Larry Kilgallen
1998-10-13 0:00 ` dennison
1998-10-12 0:00 ` PC
1998-10-12 0:00 ` Operating System in Ada (was Ada --> C Translation) Larry Kilgallen
1998-10-12 0:00 ` Chris Morgan
1998-10-13 0:00 ` Dale Stanbrough
1998-10-13 0:00 ` Larry Kilgallen
1998-10-14 0:00 ` dewarr [this message]
1998-10-12 0:00 ` Tom Moran
1998-10-12 0:00 ` Brian Rogoff
1998-10-13 0:00 ` dennison
1998-10-13 0:00 ` Brian Rogoff
1998-10-13 0:00 ` Tucker Taft
1998-10-12 0:00 ` dennison
1998-10-21 0:00 ` Van Snyder
1998-10-22 0:00 ` Tom Moran
1998-10-12 0:00 ` Ada --> C Translation, was: Win CE target dennison
1998-10-12 0:00 ` Larry Kilgallen
1998-10-14 0:00 ` dewarr
1998-10-14 0:00 ` Andi Kleen
1998-10-13 0:00 ` Robert I. Eachus
1998-10-14 0:00 ` Samuel Mize
1998-10-16 0:00 ` Tasking/blocking system calls (was: Ada --> C Translation) Mats Weber
1998-09-20 0:00 ` Win CE target dewarr
1998-09-20 0:00 ` dewarr
1998-09-23 0:00 ` falis
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