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From: okellogg <okellogg@users.sourceforge.net>
Subject: Re: Should representation clauses be complete for each bit?
Date: Wed, 27 Jul 2011 07:12:55 -0700 (PDT)
Date: 2011-07-27T07:12:55-07:00	[thread overview]
Message-ID: <4606c5b0-7da1-43d0-a490-ba842f7621f7@hd10g2000vbb.googlegroups.com> (raw)
In-Reply-To: j0d3mh$oae$1@munin.nbi.dk

On 23 Jul., 02:13, "Randy Brukardt" <ra...@rrsoftware.com> wrote:
> [...]
>  I understand the complaint here, but I still think that explictly
> specifying the bit packing in this way is best. The syntax that requires
> mentioning both the low and high bits is overkill, but that has nothing to
> do with this particular issue -- it is overkill for *any* record. We really
> need an alternative shorter syntax for these lines in a record
> representation clause:
>
>             Gap1 at 0 bit 1;
>
> or something like that. No one ever wants to give the high bound in these
> clauses -- it's almost pointless and a real pain if it might change (note
> the most general form given above).

So the number given after "bit" is the starting bit? I like that idea.
(Well, after all we still need to be aware of sizes, be it just to
figure out the next available starting bit.)

Oliver



  reply	other threads:[~2011-07-27 14:12 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-20 10:34 Should representation clauses be complete for each bit? okellogg
2011-07-20 14:51 ` Robert A Duff
2011-07-20 15:24   ` Georg Bauhaus
2011-07-20 17:28     ` Robert A Duff
2011-07-21  7:37       ` Martin
2011-07-21  8:22         ` Simon Wright
2011-07-21 14:58           ` Robert A Duff
2011-07-23  0:13             ` Randy Brukardt
2011-07-27 14:12               ` okellogg [this message]
2011-07-28  0:03                 ` Randy Brukardt
2011-07-21  9:43         ` Georg Bauhaus
2011-07-21 15:06           ` Robert A Duff
2011-07-31 15:02             ` BrianG
2011-07-21 21:11           ` Brian Drummond
2011-07-21  7:59     ` Stephen Leake
2011-07-20 15:29   ` okellogg
2011-07-20 16:24     ` Dmitry A. Kazakov
2011-07-20 16:58       ` okellogg
2011-07-20 19:38         ` Dmitry A. Kazakov
2011-07-20 17:27     ` Robert A Duff
2011-07-20 19:14       ` okellogg
2011-07-20 20:13         ` J-P. Rosen
2011-07-20 21:23           ` Robert A Duff
2011-07-20 21:21         ` Robert A Duff
2011-07-21  8:02         ` Stephen Leake
2011-07-21  8:00     ` Stephen Leake
2011-07-21  7:36   ` Martin
2011-07-22 23:50   ` Randy Brukardt
2011-07-23  2:16     ` tmoran
2011-07-23 15:12     ` Robert A Duff
2011-07-26 21:10       ` Randy Brukardt
2011-07-23  0:01   ` Randy Brukardt
  -- strict thread matches above, loose matches on Subject: below --
1998-04-17  0:00 Should Representation Clauses " Marin David Condic, 561.796.8997, M/S 731-96
     [not found] <3533C3C5.3F25CB91@cacd.rockwell.com>
1998-04-16  0:00 ` Stephen Leake
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