comp.lang.ada
 help / color / mirror / Atom feed
From: Ted Dennison <dennison@telepath.com>
Subject: Re: Rep-spec question
Date: 1999/11/10
Date: 1999-11-10T00:00:00+00:00	[thread overview]
Message-ID: <80clia$ein$1@nnrp1.deja.com> (raw)
In-Reply-To: 80ck3b$deu$1@nnrp1.deja.com

In article <80ck3b$deu$1@nnrp1.deja.com>,
  Joe Wisniewski <wisniew@acm.org> wrote:
> Given the following:
>
> type Rec is
>    b : boolean;
> end record;
>
> for rec use record
>    b at 0 range 0..63;
> end record;
> for rec'size use 64;
>
> can any assumptions be made as to where the
> byte(s) representing the boolean are stored?

Not unless your compiler docs say so. I'm not even sure that is required
to compile.

If you want to put the boolean in a specific place, try using something
like:

for rec use record
   b at 1 range 5..5;  -- 6th bit of second byte
end record;
for rec'size use 64;

(This isn't guaranteed to compile either)

--
T.E.D.


Sent via Deja.com http://www.deja.com/
Before you buy.




  parent reply	other threads:[~1999-11-10  0:00 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1999-11-10  0:00 Rep-spec question Joe Wisniewski
1999-11-10  0:00 ` Tucker Taft
1999-11-11  0:00   ` Robert A Duff
1999-11-10  0:00 ` Ted Dennison [this message]
1999-11-10  0:00   ` Joe Wisniewski
1999-11-10  0:00     ` Ted Dennison
1999-11-11  0:00       ` Robert Dewar
1999-11-11  0:00         ` Ted Dennison
1999-11-12  0:00           ` Robert Dewar
1999-11-11  0:00       ` Robert A Duff
1999-11-12  0:00         ` Robert Dewar
1999-11-11  0:00       ` Keith Thompson
1999-11-12  0:00         ` Nick Roberts
1999-11-12  0:00         ` Robert Dewar
1999-11-12  0:00         ` Robert A Duff
1999-11-10  0:00 ` Robert A Duff
replies disabled

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox