GNU bug report logs - #69630
breadcrumb-mode and json-ts-mode (possibly yaml-ts-mode, others) performance

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Johann Höchtl <johann.hoechtl <at> gmail.com>
Cc: 69630 <at> debbugs.gnu.org
Subject: bug#69630: breadcrumb-mode and json-ts-mode (possibly yaml-ts-mode, others) performance
Date: Sat, 09 Mar 2024 09:24:09 +0200

> From: Johann Höchtl <johann.hoechtl <at> gmail.com>
> Date: Fri, 8 Mar 2024 09:54:54 +0100
> 
> When opening a json file using it's -ts-mode, bread-crumb-mode causes a big performance impact. This
> performance impact seems to be more than linear i nrealtion to file size,  doubling in size causes more than
> doubling the time until emacs becomes responsible again, likely because it contains more than double the
> number of nodes to parse.
> 
> Many other popular editors contain a breadcrumb-feature and having that feature for json, yaml, xml, ... files
> seems "natural".

Isn't that a bug (or mis-feature) in breadcrumb-mode that you should
report to the developers of breadcrumb-mode?

IOW, why did you think the right place to report this is here?  Any
evidence that something in Emacs core is causing the performance
issue?

Thanks.

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