From: bobduff@world.std.com (Robert A Duff)
Subject: Re: Using the GNAT defined attribute: 'Enum_Rep
Date: 1997/09/08
Date: 1997-09-08T00:00:00+00:00 [thread overview]
Message-ID: <EG7Eu3.6Dz@world.std.com> (raw)
In-Reply-To: dewar.873592148@merv
In article <dewar.873592148@merv>, Robert Dewar <dewar@merv.cs.nyu.edu> wrote:
>The ACVC interpretation (and hence what all Ada compilers do), is that
>if you use an enumeration representation clause, then the representation
>must match that of integers of the same size.
Right, although the RM doesn't say so. In fact, the RM doesn't say that
the representation of all integer types of a given size has to be the
same. Probably the RM should have nailed this point down.
In fact, doesn't GNAT use biased representations in some cases? How
does that affect unch-conv from enum to biased-integer?
- Bob
next prev parent reply other threads:[~1997-09-08 0:00 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
1997-08-27 0:00 Using the GNAT defined attribute: 'Enum_Rep Marin David Condic, 561.796.8997, M/S 731-96
1997-09-03 0:00 ` W. Wesley Groleau x4923
1997-09-06 0:00 ` Robert Dewar
1997-09-08 0:00 ` Robert A Duff [this message]
1997-09-08 0:00 ` W. Wesley Groleau x4923
1997-09-08 0:00 ` Matthew Heaney
1997-09-08 0:00 ` Robert A Duff
1997-09-08 0:00 ` W. Wesley Groleau x4923
1997-09-08 0:00 ` Matthew Heaney
1997-09-09 0:00 ` Robert A Duff
1997-09-11 0:00 ` Robert Dewar
1997-09-08 0:00 ` Robert A Duff
-- strict thread matches above, loose matches on Subject: below --
1997-09-09 0:00 Marin David Condic, 561.796.8997, M/S 731-96
1997-09-09 0:00 ` Robert A Duff
1997-09-09 0:00 Marin David Condic, 561.796.8997, M/S 731-96
1997-09-09 0:00 ` W. Wesley Groleau x4923
1997-09-11 0:00 ` Robert Dewar
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