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From: Vitalie Spinu <spinuvit@gmail.com>
To: Dmitry Gutov <dgutov@yandex.ru>
Cc: Alan Mackenzie <acm@muc.de>,
	Stefan Monnier <monnier@IRO.UMontreal.CA>,
	emacs-devel <emacs-devel@gnu.org>
Subject: Re: Syntax tables for multiple modes [was: bug#22983: syntax-ppss returns wrong result.]
Date: Mon, 21 Mar 2016 15:20:33 +0100	[thread overview]
Message-ID: <87y49bewum.fsf@gmail.com> (raw)
In-Reply-To: <ae28a065-9500-0954-3c91-cd3a68bd2408@yandex.ru> (Dmitry Gutov's message of "Mon, 21 Mar 2016 15:07:26 +0200")



>> On Mon, Mar 21 2016 15:07, Dmitry Gutov wrote:

> On 03/21/2016 02:40 PM, Vitalie Spinu wrote:

>>> Strings? Indentation engines do not deal with strings, they deal with buffer
>>> contents. Having them handle this possibility would also amount to sharing a
>>> part of multi-mode logic.
>>
>> Yeh. That's the sucky part. My hope is that BEFORE-STRING will be seldom
>> used.

> Then let's not add that to the API until we see a concrete need for it.

It might be good to not include these (prog-indentation-context including) in
emacs 25 release.

>> Performance is not a primary concern for indentation. Correctness and conceptual
>> cleanness is at a much higher stake here. My hope is that generic helper
>> functions can be optimized to re-use same temp buffer for multiple invocations
>> of calculate-indent-function.

> So, how about trying my alternative proposal first?

Sorry. What proposal do you mean?

>> Right. Those stale values won't occur in multi-modes because both syntax-ppss
>> and parse-partial-sexp will always operate on same hard-narrowed regions.

> We could only be sure of that for syntax-ppss calls in facilities that the
> multi-mode handles specially, like font-lock, syntax-propertize and
> indentation. Not so with any other functions the user could call.

I assume that multi-mode engine is advising syntax-ppss which I think it should.

  Vitalie



  reply	other threads:[~2016-03-21 14:20 UTC|newest]

Thread overview: 90+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20160311151512.GD2888@acm.fritz.box>
     [not found] ` <b158555f-e014-ed7b-23eb-d80d2d77a6f4@yandex.ru>
     [not found]   ` <20160311212410.GG2888@acm.fritz.box>
     [not found]     ` <73903215-f94b-e194-7bfe-0d6350c95769@yandex.ru>
     [not found]       ` <20160311221540.GH2888@acm.fritz.box>
     [not found]         ` <2c301ec9-041d-9172-d628-479062314b23@yandex.ru>
2016-03-14 15:16           ` Syntax tables for multiple modes [was: bug#22983: syntax-ppss returns wrong result.] Alan Mackenzie
2016-03-14 17:34             ` Andreas Röhler
2016-03-14 20:06             ` Dmitry Gutov
2016-03-19 22:51               ` Vitalie Spinu
2016-03-20  2:19                 ` Dmitry Gutov
2016-03-20 12:15                   ` Vitalie Spinu
2016-03-20 15:58                     ` Dmitry Gutov
2016-03-21  1:05                       ` Vitalie Spinu
2016-03-21  3:11                         ` Stefan Monnier
2016-03-21  5:05                           ` Vitalie Spinu
2016-03-21  7:13                             ` Andreas Röhler
2016-03-21 12:26                             ` Stefan Monnier
2016-03-21 14:13                               ` Vitalie Spinu
2016-03-21 14:43                                 ` Stefan Monnier
2016-03-21 16:42                                   ` Vitalie Spinu
2016-03-21 18:31                                     ` Stefan Monnier
2016-03-21 19:16                                       ` Vitalie Spinu
2016-03-21 20:47                                         ` Stefan Monnier
2016-03-21 20:33                                     ` Alan Mackenzie
2016-03-21 20:49                                       ` Stefan Monnier
2016-03-21 21:03                                       ` Drew Adams
2016-03-21 21:12                                       ` Dmitry Gutov
2016-03-21 16:45                                   ` Vitalie Spinu
2016-03-21 22:55                                     ` Dmitry Gutov
2016-03-22 14:51                                     ` Stefan Monnier
2016-03-22 18:17                                       ` Vitalie Spinu
2016-03-23  1:18                                         ` Dmitry Gutov
2016-03-23 13:18                                         ` Stefan Monnier
2016-03-22 18:26                                       ` Vitalie Spinu
2016-03-23  2:07                                         ` Stefan Monnier
2016-03-23 10:56                                           ` Vitalie Spinu
2016-03-23 11:41                                             ` Stefan Monnier
2016-03-23 12:39                                               ` Vitalie Spinu
2016-03-23 13:23                                                 ` Stefan Monnier
2016-03-23 15:28                                                   ` Dmitry Gutov
2016-03-23 21:51                                                     ` Vitalie Spinu
2016-03-24  7:30                                               ` Andreas Röhler
2016-03-21 11:56                           ` Dmitry Gutov
2016-03-21  5:08                         ` [Patch] hard-widen-limits [was Re: Syntax tables for multiple modes [was: bug#22983: syntax-ppss returns wrong result.]] Vitalie Spinu
2016-03-21 12:39                           ` Stefan Monnier
2016-03-21 12:54                             ` Vitalie Spinu
2016-03-21 14:07                               ` Stefan Monnier
2016-03-21 14:14                                 ` Vitalie Spinu
2016-03-21 14:04                             ` Stefan Monnier
2016-03-21 14:33                               ` Vitalie Spinu
2016-03-21 14:54                                 ` Stefan Monnier
2016-03-21 17:16                                   ` Vitalie Spinu
2016-03-21 18:36                                     ` Stefan Monnier
2016-03-21 19:18                                       ` Vitalie Spinu
2016-03-22  3:17                                         ` Vitalie Spinu
2016-03-22  9:57                                           ` Vitalie Spinu
2016-03-22 10:05                                             ` Vitalie Spinu
2016-03-22 11:57                                               ` Stefan Monnier
2016-03-22 16:28                                                 ` Vitalie Spinu
2016-03-22 16:44                                                   ` Stefan Monnier
2016-03-22 19:36                                                     ` Vitalie Spinu
2016-03-23  2:22                                                       ` Stefan Monnier
2016-03-23 11:41                                                         ` Vitalie Spinu
2016-03-23 12:34                                                           ` Stefan Monnier
2016-03-23 12:41                                                             ` Vitalie Spinu
2016-03-29 21:43                                                               ` Vitalie Spinu
2016-04-22 14:34                                                                 ` Dmitry Gutov
2016-04-24  7:22                                                                   ` Vitalie Spinu
2016-04-24  7:28                                                                     ` Achim Gratz
2016-04-24 11:33                                                                       ` Vitalie Spinu
2016-04-24 13:20                                                                         ` Andreas Schwab
2016-04-24 16:11                                                                           ` Vitalie Spinu
2016-04-24 16:19                                                                             ` Andreas Schwab
2016-04-24 16:41                                                                               ` Vitalie Spinu
2016-04-24 16:48                                                                                 ` Andreas Schwab
2016-04-24 18:01                                                                                   ` Vitalie Spinu
2016-04-24 19:05                                                                                     ` Andreas Schwab
2016-04-28 13:29                                                 ` Vitalie Spinu
2016-04-30 14:06                                                   ` Stefan Monnier
2016-03-22 20:08                                               ` Richard Stallman
2016-03-22 22:45                                                 ` Vitalie Spinu
2016-03-21 11:47                         ` Syntax tables for multiple modes [was: bug#22983: syntax-ppss returns wrong result.] Dmitry Gutov
2016-03-21 12:40                           ` Vitalie Spinu
2016-03-21 13:07                             ` Dmitry Gutov
2016-03-21 14:20                               ` Vitalie Spinu [this message]
2016-03-21 14:29                                 ` Dmitry Gutov
2016-03-21 14:42                                   ` Vitalie Spinu
2016-03-21 14:56                                     ` Dmitry Gutov
2016-03-21 16:52                                       ` Vitalie Spinu
2016-03-21 21:30                                         ` Dmitry Gutov
2016-04-03 23:34                                           ` John Wiegley
2016-03-21 14:02                             ` Stefan Monnier
2016-03-21 14:31                               ` Vitalie Spinu
2016-03-21 15:06                                 ` Stefan Monnier
2016-03-21 17:15                                   ` Andreas Röhler

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