emacs-orgmode@gnu.org archives
 help / color / mirror / code / Atom feed
From: Dmitrii Korobeinikov <dim1212k@gmail.com>
To: Dmitry Gutov <dgutov@yandex.ru>
Cc: Ihor Radchenko <yantar92@gmail.com>, 35419@debbugs.gnu.org
Subject: bug#35419: [O] [Proposal] Buffer Lenses and the Case of Org-Mode (also, Jupyter)
Date: Sun, 5 Apr 2020 16:05:08 +0600	[thread overview]
Message-ID: <CA+Yh0SRnWZrzpva1xoeDHwNyYyt72yAd64=PvYd7uaAJZPzPsg@mail.gmail.com> (raw)
In-Reply-To: <4bb84e9a-7058-3deb-30f0-b4c8f337b116@yandex.ru>

Thank you for the insight and the references! Quite useful to learn
about this stuff.

вс, 5 апр. 2020 г. в 07:46, Dmitry Gutov <dgutov@yandex.ru>:
> Hi!
> Some late clarifications about mmm-mode.
> On 26.04.2019 00:00, Dmitrii Korobeinikov wrote:
> >  > A lot of the functionality of MMM Mode---that which makes the major mode
> >  > appear to change---is implemented by saving and restoring the values of
> >  > local variables, or pseudo-variables.
> >
> > What I don't understand is where the modes of the submode region run and
> > when they are turned on.
> They are run in an empty temporary buffer, see mmm-update-mode-info.
> That is true for all the "submodes" in a buffer. The primary major mode
> is run in the context of that buffer (IIRC). After any of them runs, the
> code responsible for it collects the values of a certain number of known
> variables and associates that map with the major mode (this is a bit of
> a simplification).
> > Are necessary modes just allowed to run at the right time for the whole
> > buffer?
> When you move between the "chunks", no major mode functions are called.
> Instead, the values of variables are swapped in. Including the value of
> the 'major-mode' variable.
> > But then, how are they limited in their effect to just the
> > necessary region? Narrowing?
> Usually, yes. Especially when we're talking about font-lock and
> syntax-propertize-function. See mmm-fontify-region-list for an example.
> > Could, for example, syntax checking be done efficiently that way?
> That depends on the combination of modes and how they are used (either
> they can be nested, like in web templates, or it's a flat list where
> chunks are largely independent like in Jupyter). But in most cases, I
> think, you could pick a good strategy. There are no universal ones, though.

      reply	other threads:[~2020-04-05 10:10 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-24 19:20 [Proposal] Buffer Lenses and the Case of Org-Mode (also, Jupyter) Dmitrii Korobeinikov
2019-04-25  3:25 ` Ihor Radchenko
     [not found]   ` <CA+Yh0SQ7yWQBjXhKbJPrCroriNpwhyFyQWAfHsUvxwmojsjKuw@mail.gmail.com>
2019-04-25  1:37     ` bug#35419: " Noam Postavsky
2019-04-25  7:11     ` bug#35419: Fwd: " 'Ihor Radchenko'
     [not found]     ` <87sgu6rhkt.fsf@gmail.com>
2019-04-25  8:40       ` bug#35419: " Dmitrii Korobeinikov
     [not found]       ` <CA+Yh0SSvQMucaC1EJR9GBxpKeP6haGiHN+Lf2QYo8csNoy0Waw@mail.gmail.com>
2019-04-25 17:52         ` Philipp Stephani
     [not found]         ` <CAArVCkQcwnjeMyRU6rpiuvGsOCUOsnQTQwQSGdDFKwQz_Sbi3g@mail.gmail.com>
2019-04-25 21:14           ` Dmitrii Korobeinikov
2019-04-26 12:05         ` Roland Everaert
2019-05-02 21:24     ` bug#35419: " Dmitrii Korobeinikov
2019-05-02 21:31     ` Dmitrii Korobeinikov
2019-04-25 21:00   ` Dmitrii Korobeinikov
     [not found]   ` <CA+Yh0ST+u0s6L-hR2=rs3O_46FqXn8utGotORx+FMDb7Jn0Rfw@mail.gmail.com>
2020-04-05  1:46     ` bug#35419: [O] " Dmitry Gutov
2020-04-05 10:05       ` Dmitrii Korobeinikov [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

  List information: https://www.orgmode.org/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CA+Yh0SRnWZrzpva1xoeDHwNyYyt72yAd64=PvYd7uaAJZPzPsg@mail.gmail.com' \
    --to=dim1212k@gmail.com \
    --cc=35419@debbugs.gnu.org \
    --cc=dgutov@yandex.ru \
    --cc=yantar92@gmail.com \


* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox


This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).