GNU bug report logs - #59426
29.0.50; [tree-sitter] Some functions exceed maximum recursion limit

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Package: emacs;

Reported by: Yuan Fu <casouri <at> gmail.com>

Date: Mon, 21 Nov 2022 00:54:02 UTC

Severity: normal

Found in version 29.0.50

Fixed in version 29.1

Done: Yuan Fu <casouri <at> gmail.com>

Bug is archived. No further changes may be made.

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Message #14 received at 59426 <at> debbugs.gnu.org (full text, mbox):

From: Mattias Engdegård <mattiase <at> acm.org>
To: Stefan Kangas <stefankangas <at> gmail.com>
Cc: Po Lu <luangruo <at> yahoo.com>, 59426 <at> debbugs.gnu.org,
 Yuan Fu <casouri <at> gmail.com>
Subject: Re: bug#59426: 29.0.50; [tree-sitter] Some functions exceed maximum
 recursion limit
Date: Mon, 21 Nov 2022 13:00:45 +0100

>> We _used_ to have max-specpdl-size, which would act as a limit if the
>> recursion was surrounded by specbind.
>> 
>> But it was deleted in Emacs 29.  Maybe it should be brought back, for
>> this and other deeply recursive C functions?

Highly unlikely. If reasonable use can make C recurse too deeply, then fix that bug instead.
What is the call structure leading to the crash? Is Lisp involved?

(I understand that the tree-sitter branch is very experimental as it doesn't even build on my machine.)
This bug report was last modified 2 years and 174 days ago.

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