GNU bug report logs - #24982
24.5; way to let Elisp reader ignore unreadable #(...) constructs

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Package: emacs;

Reported by: Drew Adams <drew.adams <at> oracle.com>

Date: Mon, 21 Nov 2016 21:49:01 UTC

Severity: wishlist

Tags: wontfix

Found in version 24.5

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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From: Drew Adams <drew.adams <at> oracle.com>
To: Juri Linkov <juri <at> linkov.net>
Cc: 24982 <at> debbugs.gnu.org
Subject: bug#24982: 24.5; way to let Elisp reader ignore unreadable #(...) constructs
Date: Mon, 2 Apr 2018 14:32:41 -0700 (PDT)
> >> > Enhancement request:
> >> > Provide a Boolean variable or a wrapper macro that has the effect of
> >> > not raising an error but just skipping over any unreadable #(...)
> >> > construct.
> >>
> >> There is such macro called ‘ignore-errors’.
> >
> > No.  That ignores all errors.
> >
> > Is there an error handler that covers all and only #(...) read errors?
                                              ^^^^^^^^
> Then you can use something like
>   (condition-case err
>       (read (current-buffer))
>     (invalid-read-syntax err))
> that for example for unreadable #<marker ...> returns
>   (invalid-read-syntax "#")

And (read ")((") gives (invalid-read-syntax ")").
So it's not specific to unreadable #(...) or #....




This bug report was last modified 3 years and 81 days ago.

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