From: Marco Antoniotti <marco.antoniotti@unimib.it>
To: Eli Zaretskii <eliz@gnu.org>
Cc: Philip Kaludercic <philipk@posteo.net>, 69049@debbugs.gnu.org
Subject: bug#69049: 29.2; Buglet in `read-from-string' (and, likely, `read') with defstructs.
Date: Sun, 11 Feb 2024 14:31:55 +0100 [thread overview]
Message-ID: <CAG0Nw2=21VLPOav6-+RBORzidVypp=v+h_gnM5Wk1dGYfqcXPg@mail.gmail.com> (raw)
In-Reply-To: <86mss7rv1h.fsf@gnu.org>
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It looks like the buglet is fixed in 30.x. It is still there in 29.2.
Eli, the slot value is set incorrectly in the structure returned (in 29.2).
MA
On Sun, Feb 11, 2024 at 2:26 PM Eli Zaretskii <eliz@gnu.org> wrote:
> > Cc: 69049@debbugs.gnu.org
> > From: Philip Kaludercic <philipk@posteo.net>
> > Date: Sun, 11 Feb 2024 12:37:08 +0000
> >
> > Marco Antoniotti <marco.antoniotti@unimib.it> writes:
> >
> > > Hi
> > >
> > > Here is the problem. This is in IELM.
> > >
> > > ELISP> (cl-defstruct foo (msg "bar"))
> > > foo
> > > ELISP> (make-foo)
> > > #s(foo :msg "bar")
> > >
> > > ELISP> (make-foo :msg "baz")
> > > #s(foo :msg "baz")
> > >
> > > ELISP> (read-from-string "#s(foo :msg \"baz\")")
> > > (#s(foo :msg :msg)
> > > . 18)
> >
> > FWIW on Emacs 30.0.50 I get
> >
> > (read-from-string "#s(foo :msg \"baz\")") ;=> (#s(foo :msg "baz") . 18)
>
> The doc string of read-from-string says:
>
> read-from-string is a built-in function in ‘src/lread.c’.
>
> (read-from-string STRING &optional START END)
>
> Read one Lisp expression which is represented as text by STRING.
> Returns a cons: (OBJECT-READ . FINAL-STRING-INDEX).
> FINAL-STRING-INDEX is an integer giving the position of the next
> remaining character in STRING.
>
> So it looks like read-from-string is working as advertised here?
>
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next prev parent reply other threads:[~2024-02-11 13:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-11 11:41 bug#69049: 29.2; Buglet in `read-from-string' (and, likely, `read') with defstructs Marco Antoniotti
2024-02-11 12:37 ` Philip Kaludercic
2024-02-11 13:26 ` Eli Zaretskii
2024-02-11 13:31 ` Marco Antoniotti [this message]
2024-02-11 14:39 ` Eli Zaretskii
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