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From: Theodor Thornhill <theo@thornhill.no>
To: Ergus <spacibba@aol.com>, Eli Zaretskii <eliz@gnu.org>
Cc: casouri@gmail.com, emacs-devel@gnu.org
Subject: Re: Missing features in c-ts-mode
Date: Fri, 17 Feb 2023 18:34:34 +0100	[thread overview]
Message-ID: <437CB8E1-1BBA-42A8-BADE-9F729A7AC5CA@thornhill.no> (raw)
In-Reply-To: <20230217163747.yt5kizq6e4vqmqqe@Ergus>



On 17 February 2023 17:37:47 CET, Ergus <spacibba@aol.com> wrote:
>Hi Eli and Theo:
>
>Yes, I know that the feature is not very "popular" to be enabled by
>default, but for parallel programming models based on pragmas (OpenMP,
>OmpSs, OpenACC) it is very important.
>
>Many people in my previous work moved to some other editor after years
>using emacs due to these apparently "small" details. Every time they
>wanted to indent a portion of code (i.e they added an if around it), all
>the pragmas moved out of their place and needed manual fix.
>
>On that moment I commented with Alan the possibility to make #pragma a
>syntactc symbol which we could control its indentation like anything
>else in c-mode (with +, ++, -, 0 or [0]). But he said that it required
>too many changes to implement that and offered this "toggle" solution
>good enough for me.
>
>I will open the feature request in a moment, but just wanted to comment
>the alternative solution more consistent and without an extra mode;
>because maybe that way may be simpler now in the new mode??
>
>Best,
>Ergus
>
>On Fri, Feb 17, 2023 at 02:20:59PM +0200, Eli Zaretskii wrote:
>>> From: Theodor Thornhill <theo@thornhill.no>
>>> Cc: Eli Zaretskii <eliz@gnu.org>, casouri@gmail.com, emacs-devel@gnu.org
>>> Date: Fri, 17 Feb 2023 10:56:28 +0100
>>> 
>>> >      #pragma parallel for first private(x) \
>>> >          shared(y) etc
>>> >      for (...) {
>>> >          ....
>>> >      }
>>> > }
>>> >
>>> > In this case the pragma in column zero is very confusing. Alan added a
>>> > new mode (c-toggle-cpp-indent-to-body) which worked around this issue a
>>> > few years ago. I don't if it is possible to enable similar behavior with
>>> > your change? Is is?
>>> >
>>> > Best,
>>> > Ergus
>>> >
>>> 
>>> It's absolutely possible, but IMO that sounds like an improvement for
>>> emacs 30, maybe?
>> 
>> It depends on how simple and safe the change will be.  But yes, I'm
>> okay with delaying this to Emacs 30 if the addition is complex enough.
>> 
>> Thanks.
>> 

Would this mean you'd want all preproc directives configurable, or only some in particular? I think a defcustom for either/or is doable for Emacs 29, but for granular control we'd need to think a bit more.

c-ts-mode-preproc-indent-to-body?



  reply	other threads:[~2023-02-17 17:34 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-15 17:59 Missing features in c-ts-mode Eli Zaretskii
2023-02-15 18:29 ` Theodor Thornhill
2023-02-15 19:05   ` Eli Zaretskii
2023-02-15 19:18     ` Theodor Thornhill
2023-02-15 19:31       ` Theodor Thornhill
2023-02-15 19:48         ` Eli Zaretskii
2023-02-15 19:59           ` Theodor Thornhill
2023-02-16 19:14             ` Theodor Thornhill
2023-02-16 20:38               ` Eli Zaretskii
2023-02-16 21:05                 ` Theodor Thornhill
2023-02-17  8:29               ` Ergus
2023-02-17  8:42                 ` Eli Zaretskii
2023-02-17  9:56                 ` Theodor Thornhill
2023-02-17 12:20                   ` Eli Zaretskii
2023-02-17 16:37                     ` Ergus
2023-02-17 17:34                       ` Theodor Thornhill [this message]
2023-02-17 18:02                         ` Ergus
2023-02-17 18:10                           ` Theodor Thornhill
2023-02-17 18:27                             ` Ergus
2023-02-17 18:43                               ` Theodor Thornhill
2023-02-15 20:31           ` Felix
2023-02-16  7:35             ` Eli Zaretskii
2023-02-16  8:08               ` Theodor Thornhill
2023-02-16 12:10               ` Felix
2023-02-15 20:03       ` Eli Zaretskii
2023-02-15 20:21         ` Theodor Thornhill
2023-02-16  7:04           ` Eli Zaretskii

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