From: Ziemowit Laski <zlaski@apple.com>
To: Andrew Pinski <pinskia@physics.uc.edu>
Cc: Steve Naroff <snaroff@apple.com>,
gcc mailing list <gcc@gcc.gnu.org>,
Matt Austern <austern@apple.com>, Michael Matz <matz@suse.de>,
Joe Buck <Joe.Buck@synopsys.com>, Mike Stump <mrs@apple.com>
Subject: Re: generalized lvalues -- patch outline
Date: Mon, 22 Nov 2004 21:11:00 -0000 [thread overview]
Message-ID: <84283265-3CC8-11D9-B847-000D9330C50E@apple.com> (raw)
In-Reply-To: <7688EB08-3CC7-11D9-AEB4-000A95D692F4@physics.uc.edu>
On 22 Nov 2004, at 12.45, Andrew Pinski wrote:
>
> On Nov 22, 2004, at 3:39 PM, Ziemowit Laski wrote:
>
>> On 19 Nov 2004, at 17.50, Ziemowit Laski wrote:
>>
>>> To put it another way, I'm only concerned with cases where the
>>> compiler currently complains
>>> about assigning to a non-lvalue, and the non-lvalue in question is a
>>> cast of an lvalue.
>>
>> Indeed, I now appear to have a mainline mod for C and C++ which
>> allows assignment to lvalue casts for pointer types. What follows is
>> a high-level synopsis of what I did; if there is interest, I can whip
>> up a full-fledged patch, complete with docs. Please let me know.
>
>
> Just use a builtin as proposed by Nathan and others for the problem you
> are trying to solve. The syntax for casts as lvalue just looks bad.
> The builtin can return a reference (yes even in the C front-end you
> can have references [varargs is an example of which is used as
> references in the front-end]).
Here's hoping you'll get a chance to work with real third-party code
some day... :-)
--Zem
next prev parent reply other threads:[~2004-11-22 20:54 UTC|newest]
Thread overview: 116+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-18 3:50 generalized lvalues Matt Austern
2004-11-18 3:52 ` Andrew Pinski
2004-11-18 4:01 ` Andrew Pinski
2004-11-18 4:18 ` Daniel Berlin
2004-11-18 4:21 ` Andrew Pinski
2004-11-18 4:27 ` Matt Austern
2004-11-18 7:15 ` Joe Buck
2004-11-18 7:37 ` Matt Austern
2004-11-18 13:17 ` Giovanni Bajo
2004-11-18 17:57 ` Joe Buck
2004-11-18 18:28 ` Mike Stump
2004-11-18 18:44 ` Joe Buck
2004-11-19 1:39 ` Mike Stump
2004-11-19 4:52 ` Matt Austern
2004-11-19 22:24 ` Michael Matz
2004-11-19 22:30 ` Robert McNulty Junior
2004-11-20 1:00 ` Ziemowit Laski
2004-11-20 1:20 ` Joe Buck
2004-11-20 1:51 ` Ziemowit Laski
2004-11-20 5:04 ` Joe Buck
2004-11-20 5:17 ` Ziemowit Laski
2004-11-22 20:54 ` generalized lvalues -- patch outline Ziemowit Laski
2004-11-22 21:01 ` Andrew Pinski
2004-11-22 21:11 ` Ziemowit Laski [this message]
2004-11-22 21:39 ` Matt Austern
2004-11-22 22:11 ` Joe Buck
2004-11-22 22:12 ` Matt Austern
2004-11-23 0:06 ` Gabriel Dos Reis
2004-11-23 0:04 ` Gabriel Dos Reis
2004-11-23 0:27 ` Mike Stump
2004-11-24 20:40 ` Kai Henningsen
2004-11-23 0:11 ` Mark Mitchell
2004-11-23 1:19 ` Matt Austern
2004-11-23 1:26 ` Mark Mitchell
2004-11-23 1:32 ` Dale Johannesen
2004-11-23 1:42 ` Mark Mitchell
2004-11-23 1:45 ` Andrew Pinski
2004-11-23 1:55 ` Dale Johannesen
2004-11-23 1:56 ` Andrew Pinski
2004-11-23 2:12 ` Dale Johannesen
2004-11-23 2:10 ` Marcus G. Daniels
2004-11-23 9:43 ` Eric Botcazou
2004-11-23 18:27 ` Aaron W. LaFramboise
2004-11-22 21:23 ` Nathan Sidwell
2004-11-22 22:33 ` Ziemowit Laski
2004-11-23 0:09 ` Gabriel Dos Reis
2004-11-23 9:54 ` Nathan Sidwell
2004-11-23 13:35 ` Michael Matz
2004-11-23 14:56 ` Daniel Berlin
2004-11-23 15:02 ` Michael Matz
2004-11-23 15:15 ` Andrew Pinski
2004-11-23 15:47 ` Michael Matz
2004-11-23 15:56 ` Gabriel Dos Reis
2004-11-23 15:50 ` Steve Naroff
2004-11-23 15:51 ` Gabriel Dos Reis
2004-11-23 16:50 ` Eric Botcazou
2004-11-23 17:01 ` Paul Koning
2004-11-23 17:16 ` Andreas Schwab
2004-11-23 18:03 ` Thomas Kunert
2004-11-23 18:30 ` Nathan Sidwell
2004-11-23 18:57 ` Thomas Kunert
2004-11-23 21:21 ` Paul Koning
2004-11-23 21:52 ` Thomas Kunert
2004-11-23 15:51 ` Gabriel Dos Reis
2004-11-23 16:12 ` Michael Matz
2004-11-23 16:31 ` Richard Guenther
2004-11-23 16:44 ` Andreas Schwab
2004-11-23 20:16 ` Gabriel Dos Reis
2004-11-23 15:01 ` Nathan Sidwell
2004-11-23 15:09 ` Michael Matz
2004-11-23 19:11 ` Matt Austern
2004-11-23 21:10 ` Eric Botcazou
2004-11-23 21:34 ` Ziemowit Laski
2004-11-23 22:09 ` Joseph S. Myers
2004-11-23 22:23 ` Eric Botcazou
2004-11-23 22:27 ` Joseph S. Myers
2004-11-24 0:05 ` Eric Botcazou
2004-11-24 0:07 ` Steven Bosscher
2004-11-24 0:32 ` Joseph S. Myers
2004-11-25 8:41 ` Ian Lance Taylor
2004-11-25 20:41 ` Gabriel Dos Reis
2004-11-25 21:54 ` Matt Austern
2004-11-25 23:27 ` Gabriel Dos Reis
2004-11-29 18:06 ` Joe Buck
2004-11-29 18:57 ` Matt Austern
2004-11-23 23:27 ` Gabriel Dos Reis
2004-11-23 22:24 ` Nathan Sidwell
2004-11-23 0:07 ` Gabriel Dos Reis
2004-11-24 20:43 ` Kai Henningsen
2004-11-24 23:09 ` Gabriel Dos Reis
2004-11-24 23:17 ` Zack Weinberg
2004-11-22 21:31 ` Richard Henderson
2004-11-23 0:11 ` Gabriel Dos Reis
2004-11-23 0:03 ` Jonathan Lennox
2004-11-20 1:40 ` generalized lvalues Joseph S. Myers
2004-11-18 19:11 ` Alex Rosenberg
2004-11-18 4:24 ` Matt Austern
2004-11-18 5:33 ` Dale Johannesen
2004-11-18 17:14 ` Fariborz Jahanian
2004-11-18 18:23 ` Joe Buck
2004-11-19 0:20 ` Ziemowit Laski
2004-11-19 0:40 ` Steven Bosscher
2004-11-19 1:20 ` Joe Buck
2004-11-19 2:00 ` Ziemowit Laski
2004-11-18 23:36 ` Ziemowit Laski
2004-11-18 23:37 ` Matt Austern
2004-11-18 23:49 ` Zack Weinberg
2004-11-19 1:38 ` Ziemowit Laski
2004-11-19 2:52 ` Zack Weinberg
2004-11-19 3:56 ` Ziemowit Laski
2004-11-19 4:22 ` Zack Weinberg
2004-11-19 13:10 ` Nathan Sidwell
2004-11-19 21:58 ` Ziemowit Laski
2004-11-18 23:44 ` Andrew Pinski
2004-11-18 23:45 ` Joe Buck
2004-11-25 4:42 ` Aaron W. LaFramboise
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