From: Marcin Borkowski <mbork@mbork.pl>
To: help-gnu-emacs@gnu.org
Subject: Re: Seeking advice on writing a "line-based" major mode
Date: Thu, 18 Jun 2015 09:58:23 +0200 [thread overview]
Message-ID: <87h9q530tc.fsf@mbork.pl> (raw)
In-Reply-To: <jwvvbelbxgj.fsf-monnier+gnu.emacs.help@gnu.org>
On 2015-06-18, at 03:50, Stefan Monnier <monnier@iro.umontreal.ca> wrote:
>> correctly that I can just safely (setq my-ewoc (ewoc-create ...)),
>> knowing that the old one will be GC'ed automatically?
>
> You don't need to re-create the ewoc, but you can instead clear it
> (e.g. with ewoc-filter) and then re-fill it.
OK, that's almost the same, but seems cleaner. And since I'm keeping
the ewoc in a global variable (there is no point in having more than one
instance in my use-case), it is also trivial.
>> Also, I'd like to color various entries in my ewoc, using different
>> faces. Do I get it correctly that I should assign them faces right
>> after `insert'ing them in my pretty-printing function?
>
> Sounds fine, yes. Sometimes it's more convenient to assign the face to
> the strings before you insert them, but either way work fine.
Thanks. I ended up with squeezing a `propertize' between `insert' and
`format'. This has a disadvantage (AFAIU) of creating a copy of the
string, but since my ewoc won't have more than, say, 100 elements,
I don't think it will slow things down a lot.
> Stefan
Thanks a lot,
--
Marcin Borkowski
http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski
Faculty of Mathematics and Computer Science
Adam Mickiewicz University
next prev parent reply other threads:[~2015-06-18 7:58 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-07 21:16 Seeking advice on writing a "line-based" major mode Marcin Borkowski
2015-06-08 2:17 ` Drew Adams
2015-06-18 8:06 ` Marcin Borkowski
2015-06-18 16:10 ` Drew Adams
2015-06-18 18:47 ` Marcin Borkowski
2015-06-18 19:50 ` Drew Adams
2015-06-18 20:44 ` Marcin Borkowski
2015-06-18 21:28 ` Drew Adams
2015-07-18 23:20 ` Marcin Borkowski
2015-07-19 0:26 ` Robert Thorpe
[not found] ` <mailman.5261.1434643820.904.help-gnu-emacs@gnu.org>
2015-06-18 16:23 ` Emanuel Berg
[not found] ` <mailman.5215.1434614824.904.help-gnu-emacs@gnu.org>
2015-06-18 15:57 ` Emanuel Berg
2015-06-18 22:01 ` Emanuel Berg
2015-06-20 1:28 ` Emanuel Berg
2015-06-08 13:37 ` Tom Tromey
2015-06-17 21:14 ` Marcin Borkowski
[not found] ` <mailman.5205.1434575686.904.help-gnu-emacs@gnu.org>
2015-06-18 1:50 ` Stefan Monnier
2015-06-18 7:58 ` Marcin Borkowski [this message]
[not found] <mailman.4548.1433712325.904.help-gnu-emacs@gnu.org>
2015-06-07 22:23 ` Emanuel Berg
2015-06-07 22:48 ` Marcin Borkowski
2015-06-07 22:28 ` Emanuel Berg
2015-06-07 22:49 ` Marcin Borkowski
2015-06-08 0:09 ` Joost Kremers
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