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From: Eli Zaretskii <eliz@gnu.org>
To: Stephen Leake <stephen_leake@stephe-leake.org>
Cc: emacs-devel@gnu.org
Subject: Re: emacs-tree-sitter and Emacs
Date: Fri, 03 Apr 2020 10:33:54 +0300	[thread overview]
Message-ID: <831rp5xbtp.fsf@gnu.org> (raw)
In-Reply-To: <865zehgw5r.fsf@stephe-leake.org> (message from Stephen Leake on Thu, 02 Apr 2020 18:06:40 -0800)

> >> I would think that you at least need to parse everything displayed and
> >> everything before what is displayed.  (You need all prior context.  What
> >> if someone opened a comment on line 1 and hasn't closed it, for
> >> example?)
> >
> > Each buffer always knows which part of it remains unchanged.  
> 
> Only because jit-lock-after-change on after-change-functions updates
> that knowledge, via the fontified text property. But that in turn
> assumes that the entire buffer has been fontified, which is typically
> not the case; I rarely scroll thru an entire file.
> 
> Unless there is some other mechanism that maintains change locations?

I meant BEG_UNCHANGED and END_UNCHANGED.



  reply	other threads:[~2020-04-03  7:33 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-30  3:23 emacs-tree-sitter and Emacs Jorge Javier Araya Navarro
2020-03-30 13:07 ` Eli Zaretskii
2020-03-30 14:00   ` Stefan Monnier
2020-04-01  0:08     ` Stephen Leake
2020-04-01  0:27   ` Stephen Leake
2020-04-01 13:20     ` Eli Zaretskii
2020-04-01 19:51       ` Stephen Leake
2020-04-02 14:03         ` Eli Zaretskii
2020-04-02 14:27           ` Michael Welsh Duggan
2020-04-02 15:15             ` Eli Zaretskii
2020-04-02 15:24               ` Michael Welsh Duggan
2020-04-02 16:10                 ` Eli Zaretskii
2020-04-02 16:19                   ` Michael Welsh Duggan
2020-04-02 17:18                     ` Yuan Fu
2020-04-02 17:39                       ` Stefan Monnier
2020-04-02 18:17                         ` Yuan Fu
2020-04-02 18:26                           ` Stefan Monnier
2020-04-03  2:16                           ` Stephen Leake
2020-04-02 18:29                       ` Eli Zaretskii
2020-04-02 18:27                     ` Eli Zaretskii
2020-04-02 18:50                       ` Michael Welsh Duggan
2020-04-02 19:03                         ` Eli Zaretskii
2020-04-02 19:39                           ` 조성빈
2020-04-03  6:37                             ` Eli Zaretskii
2020-04-03 17:27                               ` Stephen Leake
2020-04-02 19:48                           ` Stefan Monnier
2020-04-03  2:06               ` Stephen Leake
2020-04-03  7:33                 ` Eli Zaretskii [this message]
2020-04-03 17:24                   ` Stephen Leake
2020-04-03 18:39                     ` Eli Zaretskii
2020-04-02 15:33             ` martin rudalics
2020-04-03  1:55           ` Stephen Leake
2020-04-03  4:47             ` Jorge Javier Araya Navarro
2020-04-03  7:32             ` Eli Zaretskii
2020-04-03 17:05               ` Stephen Leake
2020-04-03 18:19                 ` Eli Zaretskii
2020-04-04  0:00                   ` Stephen Leake
2020-04-01 13:28     ` Stefan Monnier
2020-03-30 14:11 ` Stefan Monnier
2020-03-30 17:00   ` Jorge Javier Araya Navarro
2020-03-30 17:07     ` Dmitry Gutov
2020-03-30 17:09       ` Jorge Javier Araya Navarro
2020-03-30 17:22     ` Stefan Monnier
2020-03-30 17:34       ` Jorge Javier Araya Navarro
2020-03-30 17:50       ` Stefan Monnier
2020-04-01  0:30       ` Stephen Leake

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