clang-c notes from CppCon

Sergey Kalinichev at
Fri Sep 25 14:50:25 UTC 2015


I think it's great news! It gives a gleam of hope that the done work
is not in vain and the patches will be (eventually) reviewed!

>Could we maybe start out organizing who's going to add what upstream?

Currently I have a local patch for determining function default'ness
and also working on visiting the TypeAliasTemplateDecl. Hope to send
it to review soon.


On 9/25/15, Milian Wolff <mail at> wrote:
> Hey guys, Manuel (BCC'ed).
> I've talked to Manuel Klimek of LLVM/Clang fame yesterday here at CppCon. He
> really welcomes our work on clang-c, and here I mean Sergey who is doing
> most
> of the work upstream right now.
> Internally at Google they are mostly relying on the C++ API for Clang, and
> only some of them use it indirectly via their editor (vim/emacs/...) via
> YouCompleteMe (YCM, [1]).
> This also explains why there is no huge response to us reporting bugs or
> putting patches up for review (again, mostly Sergey atm - thanks!).
> Manuel explicitly states that he would really like to see more work in that
> area though. Going forward, he suggests that we not only report bugs and
> send
> patches, but also get involved with reviewing other people's patches
> touching
> clang-c. If someone of us does this long enough, he'll potentially get more
> power and responsibility, and maybe even takes over the role of maintainer
> for
> the clang-c API. This is not a bad idea imo, considering how much we are
> relying on it for KDevelop.
> Could we maybe start out organizing who's going to add what upstream? Most
> of
> the stuff is going to be about adding c-API for existing C++ API, which
> should
> hopefully be straight forward in most cases. Some missing stuff is annotated
> with TODO's in the code base. The harder cases will be fixing bugs and
> crashes
> where we see them, but we can do that, it's just a few lines of C++ code in
> Clang - how hard can it be? ;-)
> Furthermore, if we ever spot anything and need guidance, Manuel suggested to
> send mails not only to the mailing list, but also TO/CC him directly to make
> sure he reads the mail as he's pretty busy usually. Also add him to your
> reviews.
> Manuel, I hope the above is correct, please correct me where appropriate.
> I've
> BCC'ed you to not spam you with follow-ups to this thread on our mailing
> list.
> Cheers, and thanks everyone for helping in making KDevelop better - one way
> or
> another!
> [1]:
> --
> Milian Wolff
> mail at

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