From: "Beard, Frank" <beardf@spawar.navy.mil>
To: "'comp.lang.ada@ada.eu.org'" <comp.lang.ada@ada.eu.org>
Subject: RE: Ada 0y wish list: "with private"
Date: Thu, 15 Feb 2001 14:16:52 -0500
Date: 2001-02-15T14:16:52-05:00 [thread overview]
Message-ID: <mailman.982264694.19416.comp.lang.ada@ada.eu.org> (raw)
I disagree. If the compiler treated the deferred type
as a "by reference" type then there wouldn't be a problem.
It would be similar to an access type without the requirement
of allocation/deallocation, null checks, etc.
When a variable of type B is declared, the compiler will
always pass it by reference (by address), which is the
equivalent of passing an access type.
Frank
-----Original Message-----
From: Christoph Grein [mailto:christoph.grein@eurocopter.de]
Sent: Wednesday, February 14, 2001 11:54 PM
To: comp.lang.ada@ada.eu.org
Subject: RE: Ada 0y wish list: "with private"
package A is
type B is private;
private
end A;
package body A is
type B is ...;
end A;
There are severe code generation problem with this proposal. When the spec
of A
is compiled, the compiler has to know how big objects of type B are. So the
full
declaration has to go into the spec.
next reply other threads:[~2001-02-15 19:16 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-02-15 19:16 Beard, Frank [this message]
2001-02-15 20:03 ` RE: Ada 0y wish list: Ted Dennison
-- strict thread matches above, loose matches on Subject: below --
2001-02-15 4:53 Ada 0y wish list: "with private" Christoph Grein
2001-02-15 1:04 Beard, Frank
2001-02-15 4:18 ` Jeffrey Carter
2001-02-12 13:41 Thierry Lelegard
2001-02-13 0:10 ` Keith Thompson
2001-02-13 0:13 ` Jeff Creem
2001-02-13 6:37 ` Dale Stanbrough
2001-02-13 12:01 ` Jeff Creem
2001-02-13 8:48 ` Dr Adrian Wrigley
2001-02-13 8:56 ` Michel Gauthier
2001-02-13 16:31 ` Ehud Lamm
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