From: Alejandro Villanueva <190921@cepsz.unizar.es>
Subject: Re: First time Ada has let me down
Date: Thu, 26 Oct 2000 20:05:46 +0200
Date: 2000-10-26T18:22:56+00:00 [thread overview]
Message-ID: <39F87279.6602FB4E@cepsz.unizar.es> (raw)
In-Reply-To: 39F7D819.B720DAB7@nord-com.net
Andreas Schulz wrote:
> Ted Dennison wrote:
> > It also works for modular integer types (Ada95 only) and *arrays* of booleans
> > (which can be packed). Either one will do what you want. But if you also want
> > to work with the data as integers, its silly to do it this way, then have to
> > Unchecked_Convert all over the place. Let the record rep clause do the work
> > for you!
>
> I recently tried something similar to eveluate a slightly more
> complex binary data structure, which ended up as a bunch of
> nested variant records with representation clauses, using almost
> all possible sizes from 1..32 bits. Compiling with GNAT,
> that resulted in several errors like :
> 'fields of "XXX" must start at storage unit boundary'
> Apparently, GNAT doesn't like unaligned variant records, or is there
> any way around that limitation (besides using '/'/mod/and, which
> is how this stuff is handled now) ?
The 'mod is of no use anymore. Ada95 uses 'Alignment.
>
>
> A. Schulz
--
------------------------------------------------------
�Quieres Cobrar por Navegar en Internet?
Visita: http://www.navegana.com/dinero/flintstone.html
------------------------------------------------------
Alejandro Villanueva
190921@cepsz.unizar.es
------------------------------------------------------
next prev parent reply other threads:[~2000-10-26 18:05 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-10-25 3:50 First time Ada has let me down Shifty
2000-10-25 0:00 ` wv12
2000-10-25 0:00 ` Gisle Sælensminde
2000-10-25 0:00 ` Joel Seidman
2000-10-25 0:00 ` Gautier
2000-10-26 6:42 ` tmoran
2000-10-25 0:00 ` First time Ada has let me down (recipe) Guillaume
2000-10-26 2:45 ` Mats Weber
2000-10-25 0:00 ` First time Ada has let me down Ken Garlington
2000-10-25 0:00 ` Shifty
2000-10-26 4:00 ` Jeff Carter
2000-10-26 14:43 ` Ted Dennison
2000-10-26 17:55 ` tmoran
2000-10-26 17:12 ` Shifty
2000-10-27 1:00 ` Jeff Carter
2000-10-26 22:27 ` Guillaume
2000-10-26 21:49 ` Keith Thompson
2000-10-26 14:36 ` Ted Dennison
2000-10-26 17:55 ` tmoran
2000-10-26 23:08 ` Ted Dennison
2000-10-25 0:00 ` Larry Kilgallen
2000-10-25 0:00 ` Ted Dennison
2000-10-25 0:00 ` Larry Kilgallen
2000-10-25 0:00 ` Ted Dennison
2000-10-25 4:44 ` Julian Morrison
2000-10-25 4:50 ` Ted Dennison
2000-10-24 0:00 ` Keith Thompson
2000-10-26 0:00 ` Andreas Schulz
2000-10-26 18:05 ` Alejandro Villanueva [this message]
2000-10-26 21:46 ` Tucker Taft
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox