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Re: CC Mode -> Tree sitter challenge

From: Theodor Thornhill
Subject: Re: CC Mode -> Tree sitter challenge
Date: Sat, 05 Nov 2022 16:27:54 +0100

On 5 November 2022 16:06:29 CET, Theodor Thornhill <theo@thornhill.no> wrote:
>On 5 November 2022 15:55:59 CET, Eli Zaretskii <eliz@gnu.org> wrote:
>>> From: Theodor Thornhill <theo@thornhill.no>
>>> Cc: emacs-devel@gnu.org, casouri@gmail.com, monnier@iro.umontreal.ca
>>> Date: Sat, 05 Nov 2022 15:37:58 +0100
>>> I took the function 'note_mouse_highlight' from xdisp.c, pushed all
>>> lines to column 0 and ran:
>>> Keep in mind that the indentation result is not 100% identical, but I
>>> doubt that will change anything.
>>Why isn't it identical?  Is it because the indentation code is not yet
>>in its final shape?
>Yes, I have to find each case covered by the language and account for it. 
>There's nothing inherent to Yuans code, at least I don't think so. There's 
>still stuff to be done, of course.
>>> I'll benchmark everything again when we're satisfied with the
>>> behavior.  This is only 2 evenings worth of hacking.
>>OK, thanks.  Again, looks good, especially I like how much less GC
>>this produces.  But note that the, if you subtract the time taken by
>>GC, CC Mode is actually slightly faster: 6.5 sec vs 9.  I wonder why
>>is that.
>Interesting. My guess is that there are still some improvement possible in the 
>indent-region code, considering that part of treesit.el is quite new.
>What do you think, Yuan? Any thoughts?
>Anyways, I'll keep working on this and see how far I get next coming weeks. At 
>least in performance it seems I have a good thing going here :-)

Thinking of it, some of the indentation questions isn't compiled. I'll run it 
again later when they are compiled as well :-)


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