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From: Johannes Schindelin <Johannes.Schindelin@gmx.de>
To: "SZEDER Gábor" <szeder.dev@gmail.com>
Cc: Jeff King <peff@peff.net>,
	git@vger.kernel.org, Olga Telezhnaya <olyatelezhnaya@gmail.com>,
	Christian Couder <christian.couder@gmail.com>,
	Elijah Newren <newren@gmail.com>,
	Thomas Gummerer <t.gummerer@gmail.com>,
	Matheus Tavares Bernardino <matheus.bernardino@usp.br>
Subject: Re: Git in Outreachy December 2019?
Date: Thu, 26 Sep 2019 21:32:35 +0200 (CEST)	[thread overview]
Message-ID: <nycvar.QRO.7.76.6.1909262132090.15067@tvgsbejvaqbjf.bet> (raw)
In-Reply-To: <20190926094723.GE2637@szeder.dev>

[-- Attachment #1: Type: text/plain, Size: 1876 bytes --]

Hi,

On Thu, 26 Sep 2019, SZEDER Gábor wrote:

> On Mon, Sep 23, 2019 at 08:07:09PM +0200, SZEDER Gábor wrote:
> > Here is one more idea for microprojects:
> >
> >   Find a group of related preprocessor constants and turn them into an
> >   enum.  Also find where those constants are stored in variables and
> >   in structs and passed around as function parameters, and change the
> >   type of those variables, fields and parameters to the new enum.
>
> Peff thought elsewhere in the thread that this is a good idea, so I
> wanted to try out how this microproject would work in practice, and to
> add a commit that we can show as a good example, and therefore set out
> to convert 'cache_entry->ce_flags' to an enum...  and will soon send
> out a RFH patch, because I hit a snag, and am not sure what to do
> about it :)  Anyway:
>
>   - Finding a group of related preprocessor constants is trivial: the
>     common prefixes and vertically aligned values of related constants
>     stand out in output of 'git grep #define'.  Converting them to an
>     enum is fairly trivial as well.
>
>   - Converting various integer types of variables, struct fields, and
>     function parameters to the new enum is... well, I wouldn't say
>     that it's hard, but it's tedious (but 'ce_flags' with about 20
>     related constants is perhaps the biggest we have).  OTOH, it's all
>     fairly mechanical, and doesn't require any understanding of Git
>     internals.  Overall I think that this is indeed a micro-sized
>     microproject, but...
>
>   - The bad news is that I expect that reviewing the variable, etc.
>     type conversions will be just as tedious, and it's quite easy to
>     miss a conversion or three, so I'm afraid that several rerolls
>     will be necessary.

I thought Coccinelle could help with that?

Ciao,
Dscho

  reply	other threads:[~2019-09-26 19:32 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-27  5:17 Jeff King
2019-08-31  7:58 ` Christian Couder
2019-08-31 19:44   ` Olga Telezhnaya
2019-09-04 19:41 ` Jeff King
2019-09-05  7:24   ` Christian Couder
2019-09-05 19:39   ` Emily Shaffer
2019-09-06 11:55     ` Carlo Arenas
2019-09-07  6:39       ` Jeff King
2019-09-07 10:13         ` Carlo Arenas
2019-09-07  6:36     ` Jeff King
2019-09-08 14:56   ` Pratyush Yadav
2019-09-09 17:00     ` Jeff King
2019-09-23 18:07   ` SZEDER Gábor
2019-09-26  9:47     ` SZEDER Gábor
2019-09-26 19:32       ` Johannes Schindelin [this message]
2019-09-26 21:54         ` SZEDER Gábor
2019-09-26 11:42     ` Johannes Schindelin
2019-09-13 20:03 ` Jonathan Tan
2019-09-13 20:51   ` Jeff King
2019-09-16 18:42     ` Emily Shaffer
2019-09-16 21:33       ` Eric Wong
2019-09-16 21:44       ` SZEDER Gábor
2019-09-16 23:13         ` Jonathan Nieder
2019-09-17  0:59           ` Jeff King
2019-09-17 11:23       ` Johannes Schindelin
2019-09-17 12:02         ` SZEDER Gábor
2019-09-23 12:47           ` Johannes Schindelin
2019-09-23 16:58             ` SZEDER Gábor
2019-09-26 11:04               ` Johannes Schindelin
2019-09-26 13:28                 ` SZEDER Gábor
2019-09-26 19:39                   ` Johannes Schindelin
2019-09-26 21:44                     ` SZEDER Gábor
2019-09-27 22:18                       ` Jeff King
2019-10-09 17:25                         ` SZEDER Gábor
2019-10-11  6:34                           ` Jeff King
2019-09-23 18:19             ` Jeff King
2019-09-24 14:30               ` Johannes Schindelin
2019-09-17 15:10         ` Christian Couder
2019-09-23 12:50           ` Johannes Schindelin
2019-09-23 19:30           ` Jeff King
2019-09-23 18:07         ` Jeff King
2019-09-24 14:25           ` Johannes Schindelin
2019-09-24 15:33             ` Jeff King
2019-09-28  3:56               ` Junio C Hamano
2019-09-24  0:55         ` Eric Wong
2019-09-26 12:45           ` Johannes Schindelin
2019-09-30  8:55             ` Eric Wong
2019-09-28  4:01           ` Junio C Hamano
2019-09-20 17:04     ` Jonathan Tan
2019-09-21  1:47       ` Emily Shaffer
2019-09-23 14:23         ` Christian Couder
2019-09-23 19:40         ` Jeff King
2019-09-23 22:29           ` Philip Oakley
2019-10-22 21:16         ` Emily Shaffer
2019-09-23 11:49       ` Christian Couder
2019-09-23 17:58         ` Jonathan Tan
2019-09-23 19:27           ` Jeff King
2019-09-23 20:48             ` Jonathan Tan
2019-09-23 19:15       ` Jeff King
2019-09-23 20:38         ` Jonathan Tan
2019-09-23 21:28           ` Jeff King
2019-09-24 17:07             ` Jonathan Tan
2019-09-26  7:09               ` Jeff King

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