GNU bug report logs - #46859
28.0.50; [PATCH]: Add option to truncate long lines in xref.el

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Theodor Thornhill <theo <at> thornhill.no>
Subject: bug#46859: closed (Re: bug#46859: 28.0.50; [PATCH]: Add option to
 truncate long lines in xref.el)
Date: Tue, 18 May 2021 00:41:01 +0000

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Your bug report

#46859: 28.0.50; [PATCH]: Add option to truncate long lines in xref.el

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 46859 <at> debbugs.gnu.org.

-- 
46859: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=46859
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Theodor Thornhill <theo <at> thornhill.no>
Cc: Lars Ingebrigtsen <larsi <at> gnus.org>, 46859-done <at> debbugs.gnu.org,
 juri <at> linkov.net
Subject: Re: bug#46859: 28.0.50; [PATCH]: Add option to truncate long lines in
 xref.el
Date: Tue, 18 May 2021 03:39:53 +0300

Version: 28.1

On 17.05.2021 19:57, Theodor Thornhill wrote:
> Hi and sorry for the late reply,
> 
>> I was looking for some user experience feedback (with possible subsequent tweaks, etc), but the current behavior is indeed annoying enough to install this anyway.
> 
> Agreed. When testing I found it to be a nice improvement.

Very good.

I've pushed an updated version in d83db639d3:

- It make sure not to hide the line number with the ellipsis anymore.
- The option was renamed to xref-truncation-width.
- It can be set to nil to disable the feature.

Please try the new version when you have the time.

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From: Theodor Thornhill <theo <at> thornhill.no>
To: bug-gnu-emacs <at> gnu.org
Subject: 28.0.50; [PATCH]: Add option to truncate long lines in xref.el
Date: Mon, 01 Mar 2021 21:40:50 +0100

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Hi!

When using the xref buffer, especially in combination with
'project-find-regexp', sometimes my projects has huge one-line
files. The simplest example of these kind of files are the minified
".js" files that are compiled. Right now I have one at 500 000 columns,
which admittedly is a lot. However, when 'project-find-regexp' searches
these files and finds a hit in one of them, the search takes a long
time. In addition, navigating the xref buffer when the results show up
also takes a long time, because of the troubles emacs has with long
lines.

Before the supplied patch, one search with 'project-find-regexp' with
ripgrep enabled takes around 3-4 seconds. With the supplied patch, the
search is almost instantaneous.

The added functionality is created to not kick in before a certain
threshold, where 500 columns seems reasonably long. Anything above that
will be truncated, but xref will still show that there was a hit.

I'm sure the patch can be improved, so please, don't hesitate to tell
me.


I consider this a great improvement, and I hope you will to§

Have a nice day,

--
Theodor Thornhill

[0001-Add-option-to-truncate-long-lines.patch (text/x-patch, attachment)]

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