[cfe-dev] [RFC] Add the ability for clang-tidy to accept checks via plugins

[Nathan James via cfe-dev]

Hi Kristóf,

I did get that working, but I was not of fan that method. I'd rather
use the llvm::Registry to load the module. As such I don't want to try
and land the feature in a state which I'd want to remove later (but
wouldn't be able to for backwards compatability reasons).

If I don't figure this out and no one else wants to contribute I would
consider using clang SA approach.

Regards,
Nathan

On Thu, 2020-06-25 at 21:56 +0200, Kristóf Umann via cfe-dev wrote:
> You can take some inspiration from the static analyzer, though we
> barely support plugins and don't like to advertise the feature much.
> 
> https://reviews.llvm.org/D58065, section "Creating a checker plugin".
> 
> On Thu, 25 Jun 2020 at 21:44, Nathan James via cfe-dev <
> cfe-dev at lists.llvm.org> wrote:
> > Hi,
> > 
> > I put in an RFC 2 days ago about this. 
> > http://lists.llvm.org/pipermail/cfe-dev/2020-June/065981.html
> > 
> > I'm working on it, but come a little unstuck with figuring out how
> > to
> > link the plugin correctly. I don't know enough about cmake to get
> > it
> > working and would appreciate a little help.
> > 
> > Kind regards,
> > Nathan James
> > 
> > On Thu, 2020-06-25 at 18:34 +0000, Lewis, Cannada via cfe-dev
> > wrote:
> > > Hi,
> > > 
> > > At Sandia we are developing clang-tidy checks for our internal
> > > libraries in a llvm-project fork.  The number one request from
> > our
> > > users is that we allow checks to be added to clang-tidy via
> > plugins
> > > so that they do not have to build a new clang-tidy exe just to
> > get
> > > new checks.  
> > > 
> > > We are willing to give implementing this a try, but I wanted to
> > see
> > > if the community could explain why plugins don't currently exist
> > and
> > > help us get started in the process. Is it because there are
> > difficult
> > > technical limitations? Or is it just that no one has spent much
> > time
> > > on adding this feature?
> > > 
> > > Thanks for any advice and/or input.
> > > 
> > > -Cannada (Drew)
> > > 
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> > 
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