all messages for Emacs-related lists mirrored at yhetil.org
 help / color / mirror / code / Atom feed
From: "Stephen J. Turnbull" <stephen@xemacs.org>
To: Rustom Mody <rustompmody@gmail.com>
Cc: Stefan Monnier <monnier@iro.umontreal.ca>, emacs-devel@gnu.org
Subject: Re: APL mode
Date: Sun, 13 Oct 2013 15:45:36 +0900	[thread overview]
Message-ID: <87haclhdnz.fsf@uwakimon.sk.tsukuba.ac.jp> (raw)
In-Reply-To: <CAJ+TeodhST9VE=YZE+mpzCtT4NGzAbFvfLxYWQ1cpV7OKa-2KQ@mail.gmail.com>

Rustom Mody writes:
 > On Sat, Oct 12, 2013 at 7:56 PM, Stefan Monnier <monnier@iro.umontreal.ca> wrote:
 >> RM wrote:

 >>> What does sexp mean for non-lisp languages like C etc?

 >> It means "a subtree in the abstract syntax tree".

 > In principle, that's fine. However in practice there are things like
[...]
 > c. (most important) emacs doesnt really do a full-scale context
 >    free grammar analysis does it?

If you use the semantic package, it can.  Most simple modes don't,
although use of semantic is becoming more common.

 > So I guess I am asking: Emacs uses regular exps to fudge a
 > semblance of context free structure. How does it do this?

Either it uses semantic, or it mixes regexp "parsing" with use of
regexps to match lexical tokens and custom lisp to parse.




  parent reply	other threads:[~2013-10-13  6:45 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-12  4:48 APL mode Rustom Mody
2013-10-12  7:25 ` Thien-Thi Nguyen
2013-10-12 14:26 ` Stefan Monnier
2013-10-12 16:09   ` Rustom Mody
2013-10-12 19:08     ` Stefan Monnier
2013-10-13  6:45     ` Stephen J. Turnbull [this message]
2013-10-13  6:59       ` Rustom Mody
2013-10-13 11:10         ` Stephen J. Turnbull
2013-10-13 14:04           ` Rustom Mody
2013-10-13 15:35             ` Stephen J. Turnbull
2013-10-13 16:11             ` Ivan Andrus
2013-10-13 12:42 ` Rüdiger Sonderfeld
2013-10-13 14:47   ` Rustom Mody
2013-10-13 15:24     ` Rüdiger Sonderfeld
2013-10-14  5:00       ` Rustom Mody
2013-10-14  6:45         ` Rustom Mody
2013-10-14 13:34           ` Stefan Monnier
2013-10-14  8:21         ` Xue Fuqiao
2013-10-14 11:08           ` Rustom Mody
2013-10-17 18:54             ` David De La Harpe Golden
2013-10-17 19:26               ` Stefan Monnier
2013-10-20 13:57                 ` Rustom Mody
2013-10-21 10:46                   ` Xue Fuqiao
2013-10-21 13:03                   ` Stefan Monnier
2013-10-25 19:09                     ` Rustom Mody
2013-10-26  1:40                       ` Stefan Monnier
2013-10-26  4:38                         ` Rustom Mody
2013-10-26 10:35                           ` Juergen Sauermann
2013-10-26 11:42                             ` Rustom Mody
2013-10-26 15:40                             ` David De La Harpe Golden
2013-10-26 16:48                               ` Rustom Mody
2013-10-26 17:41                                 ` Rustom Mody
2013-10-26 17:48                                 ` David De La Harpe Golden
2013-10-27  5:08                           ` Stefan Monnier
2013-10-27 22:41                             ` Xue Fuqiao
2013-10-28  4:09                             ` Stephen J. Turnbull
2013-10-28 12:21                               ` Rustom Mody
2013-10-28 12:40                                 ` Juergen Sauermann
     [not found]                                   ` <CAJ+Teofv_2bHhdAvxsVRY8EYLQO6ERZ_zbAWh0FLQnUMndcfSg@mail.gmail.com>
     [not found]                                     ` <526E669E.60501@t-online.de>
     [not found]                                       ` <CAJ+TeofjYsy4eLDr=aM3Vo36=76zipbn7HmXcm59YNwkgLoaSg@mail.gmail.com>
     [not found]                                         ` <526E7EC3.3050305@t-online.de>
     [not found]                                           ` <526E967F.3010903@harpegolden.net>
     [not found]                                             ` <526E9DCE.8080504@t-online.de>
2013-10-28 17:42                                               ` Rustom Mody
2013-10-28 19:45                                                 ` David De La Harpe Golden
2013-10-18  7:06               ` Rustom Mody
2013-10-14 10:40         ` Rüdiger Sonderfeld
2013-10-14 17:03 ` David De La Harpe Golden
2013-10-14 19:48   ` Stefan Monnier
2013-10-15  3:15   ` Rustom Mody
  -- strict thread matches above, loose matches on Subject: below --
2013-10-12  5:01 Rustom Mody

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:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

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

  git send-email \
    --in-reply-to=87haclhdnz.fsf@uwakimon.sk.tsukuba.ac.jp \
    --to=stephen@xemacs.org \
    --cc=emacs-devel@gnu.org \
    --cc=monnier@iro.umontreal.ca \
    --cc=rustompmody@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* 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 external index

	https://git.savannah.gnu.org/cgit/emacs.git
	https://git.savannah.gnu.org/cgit/emacs/org-mode.git

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.