[cfe-dev] [GSoC 2012] Coding style checker proposal
hank at millerfarm.com
Thu Apr 5 18:33:54 PDT 2012
I suspect you will get some negatives from those who know better than me,
appearantly there are things in work that would make the code much different.
Still on the off chance someone agrees to mentor you on this, I thought I'd
give you some encouragement. We really could use this where I work - some
people are big on style, which is nice in a lot of ways, but really a pain.
It would be nice if something would tell us where things are wrong.
I encourage you for the first part to start with a configuration that is
compatible with uncrustify. A large part of our style problems disappeared
once we forced a good uncrustify config on everyone. What remains is mostly
things like variable names. (a class member starts with upper case and is
CamelCase, while a local starts with lowercase...)
So please do continue this, but also pay attention to what others are doing as
far as an indent type replacement so we don't end up with tools that don't
work well together.
On Thursday 05 April 2012 14:31:09 ILya Pupatenko wrote:
> Dear LLVM/Clang community,
> I am awfully sorry to make my proposal so late but it was only
> yesterday when I was told about GSoC. So I decided that even if I have
> a little time before deadline, I should just give a try. I’ll describe
> the main idea of the proposal here and I would be thankful for any
> One of the possible applications of Clang would be checking if the
> code is written well enough to be, for example, added to project
> codebase. Of course it is extremely difficult to determine code
> quality automatically, but at least it is possible to check if the
> code confirms the current coding standard (or may be just part of this
> standard). And this check is what I’d like to implement.
> Different coding style guides exist at the moment, for example Google
> has one , LLVM has own standard  and also many projects and
> companies have own coding rules, standards or style guides. Checking
> number of coding rules requires deep understanding of the code
> analyzed. It is not trivial even to check indentation of the code, and
> some checks can be really complicated. So the ability to use Clang
> preprocessor/parser/ASTs/etc. would be extremely useful.
> There are some tasks need to be done to implement the code style checker.
> 1) It is important to determine flexible and general way to declare
> coding standards as a collection of different rules. Some often-used
> basic rules should be determined.
> 2) Every check should be implemented separately and independently.
> That’s why some code to check standard selected, call corresponding
> checks (probably providing some parameters to them) and display/save
> check results is needed.
> 3) Several basic checks are to be implemented.
> 4) Also an automatic standard-compliant formatting algorithm may be
> This project is probably not very complicated but I suppose that
> smaller task has greater chances to be finished successfully.
> -- Ilya
>  Google C++ Style Guide //
>  LLVM Coding Standards // http://llvm.org/docs/CodingStandards.html
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