Re: Subject: [RFC] clang tooling cleanups

From: Tom Rix
Date: Tue Nov 10 2020 - 08:12:36 EST



On 11/9/20 6:52 PM, Joe Perches wrote:
> On Tue, 2020-10-27 at 09:42 -0700, trix@xxxxxxxxxx wrote:
>> This rfc will describe
>> An upcoming treewide cleanup.
>> How clang tooling was used to programatically do the clean up.
>> Solicit opinions on how to generally use clang tooling.
>>
>> The clang warning -Wextra-semi-stmt produces about 10k warnings.
>> Reviewing these, a subset of semicolon after a switch looks safe to
>> fix all the time. An example problem
>>
>> void foo(int a) {
>>      switch(a) {
>>       case 1:
>> ...
>>      }; <--- extra semicolon
>> }
>>
>> Treewide, there are about 100 problems in 50 files for x86_64 allyesconfig.
>> These fixes will be the upcoming cleanup.
> coccinelle already does some of these.
>
> For instance: scripts/coccinelle/misc/semicolon.cocci
>
> Perhaps some tool coordination can be done here as
> coccinelle/checkpatch/clang/Lindent call all be used
> to do some facet or another of these cleanup issues.

Thanks for pointing this out.

I will take a look at it.

Tom

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