On 26.07.2019 16:49, Viktor Mitin wrote:
> Hi Julien, All,
> 
> On Thu, Jul 18, 2019 at 6:44 PM Julien Grall <julien.gr...@arm.com> wrote:
>>
>> Hi Tamas,
>>
>> On 7/18/19 4:14 PM, Tamas K Lengyel wrote:
>>> On Thu, Jul 18, 2019 at 9:02 AM Julien Grall <julien.gr...@arm.com> wrote:
>>>>
>>>> Hi Tamas,
>>>>
>>>> Adding Lars, Artem and Iurii. Iurii has been working on a version for
>>>> clang-format recently.
>>>>
>>>> On 7/18/19 3:43 PM, Tamas K Lengyel wrote:
>>>>> Using astyle (http://astyle.sourceforge.net) can greatly reduce the 
>>>>> overhead of
>>>>> manually checking and applying style-fixes to source-code. The included
>>>>> .astylerc is the closest approximation of the established Xen style 
>>>>> (including
>>>>> styles not formally spelled out by CODING_STYLE but commonly requested).
>>>>>
>>>>> Checking the comment styles are not included in the automation.
>>>>>
>>>>> Incorporating Xen's exception to the do-while style is only partially 
>>>>> possible,
>>>>> thus a change is proposed to the CODING_STYLE of moving the brace from 
>>>>> "do {"
>>>>> to the next line.
>>>>>
>>>>> Most of Xen's code-base is non-conforming at the moment: 289 files pass
>>>>> unchanged, 876 have some style issue
>>>>>
>>>>> Ideally we can slowly migrate the entire code-base to be conforming, thus
>>>>> eliminating the need of discussing and enforcing style issues manually on 
>>>>> the
>>>>> mailinglist.
>>>>
>>>> I quite like the idea of an automatic coding style checker. However, it
>>>> is a bit concerning that not even a 1/3 of the files are able to pass
>>>> the coding style you suggest. Could you explain whether this is because
>>>> the files does not already follow Xen coding style or is it just the
>>>> difference with astyle?
>>>>
>>>> What are the main style issues?
>>>
>>> Looks like a lot of files that don't follow the Xen coding style
>>> as-is. Alignment issues seem to me to be the most common errors. See
>>> the full diff here:
>>>
>>> https://gist.github.com/tklengyel/c5cac14a0d57f119dd7747a1be6fb260
>>>
>>> We can perhaps tune some aspects of it we disagree with the astyle
>>> generated style and try to override it. I did my best to make it
>>> conform to the existing Xen style but certainly there could be other
>>> tweaks made to reduce the churn.
>>
>> I think we definitely want to avoid churn as this is going to take a lot
>> of time to fix all the places to the new indentation.
>>
>> Going through the diff I can see major differences with the Xen Coding
>> style and also what looks like inconsistencies from the tools itself:
>>     - Line 58: This is fairly common to indent the parameters as it is
>> today. But then on line 158/272 it indents as we do today. So I am not
>> sure what the expected coding style from the tools.
>>     - Line 67: I believe Jan request the space before label
> Seems agreed not to add the spaces before label. Right?

Certainly not, afaia. I will object to any written down rule disallowing
leading blank(s) altogether. I will argue for making mandatory at least
one blank of indentation.

Jan
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