From: Mikael Djurfeldt <mdj@mit.edu>
Cc: Guile Users <guile-user@gnu.org>,
djurfeldt@nada.kth.se, guile-devel@gnu.org,
Neil Jerram <neil@ossau.uklinux.net>
Subject: Re: GOOPS-based SRFI-35 implementation
Date: Thu, 11 Mar 2004 10:38:14 -0500 [thread overview]
Message-ID: <xy7smgftmvt.fsf@chunk.mit.edu> (raw)
In-Reply-To: <87r7w3yuem.fsf@ivanova.rotty.yi.org> (Andreas Rottmann's message of "Mon, 08 Mar 2004 21:07:45 +0100")
Andreas Rottmann <a.rottmann@gmx.at> writes:
> Here, we given your proposed model, we'd get this hierarchy:
>
> (define-class &c ())
> (define-class &c1 (&c))
> (define-class &c2 (&c))
> (define-class &c3 (&c1 &c2)) ;; Class constructed for v3
> (define-class &c5 (&c2 &c3)) ;; Class constructed for v5
>
> This will cause GOOPS to barf: "merge-lists: Inconsistent precedence graph"
>
> I didn't see an obvious solution to this problem.
Well, this is a bug in goops.scm:compute-std-cpl. The solution is to
fix the bug. However, this is non-trivial, and I don't have time
right now to fix it myself. The algorithm should be the C3 algorithm
in http://www.webcom.com/haahr/dylan/linearization-oopsla96.html
M
_______________________________________________
Guile-devel mailing list
Guile-devel@gnu.org
http://mail.gnu.org/mailman/listinfo/guile-devel
prev parent reply other threads:[~2004-03-11 15:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-28 15:53 GOOPS-based SRFI-35 implementation Andreas Rottmann
2004-03-03 16:02 ` Neil Jerram
2004-03-04 0:20 ` Andreas Rottmann
2004-03-06 12:05 ` Neil Jerram
2004-03-06 14:52 ` Andreas Rottmann
2004-03-08 20:07 ` Andreas Rottmann
2004-03-10 9:17 ` Neil Jerram
2004-03-11 15:38 ` Mikael Djurfeldt [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/guile/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=xy7smgftmvt.fsf@chunk.mit.edu \
--to=mdj@mit.edu \
--cc=djurfeldt@nada.kth.se \
--cc=guile-devel@gnu.org \
--cc=guile-user@gnu.org \
--cc=neil@ossau.uklinux.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).