GNU bug report logs - #28293
24.5; Haskell Mode Hangs on loading large complex file

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Message #8 received at 28293 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Mike Dupont <jamesmikedupont <at> googlemail.com>
Cc: 28293 <at> debbugs.gnu.org
Subject: Re: bug#28293: 24.5; Haskell Mode Hangs on loading large complex file
Date: Wed, 30 Aug 2017 17:38:39 +0300

> From: Mike Dupont <jamesmikedupont <at> googlemail.com>
> Date: Wed, 30 Aug 2017 06:03:56 -0400
> 
> Load this large haskell file
> it hangs emacs, I think it is something in the mode.
> 
> https://github.com/h4ck3rm1k3/gcc-ontology/blob/7889b822218950fcdc414a4e054d6e7bb4a3e52e/tests/test_haskell1_b.hs

It doesn't hang here, neither with Emacs 24.5 nor with the current
master.  It displays the first screenful rather quickly, and then
works very sluggishly, even at the beginning of the buffer, much worse
at the end.  But the latter is a known issue: this file is a single
11MB line of text, and Emacs's display is very slow with such long
lines.

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