[cfe-users] (bug?) ParsedAttr::getNumArgs() always return zero

[David Blaikie via cfe-users]

I'm /guessing/ this API doesn't respond with attributes clang doesn't
recognize (CC'd Aaron Ballman who would likely know the details better than
I do). Does the API correctly respond with a non-zero number of attributes
for any clang-supported attribute (listed here:
https://clang.llvm.org/docs/AttributeReference.html )

On Thu, Dec 2, 2021 at 5:23 AM Владимир Фролов via cfe-users <
cfe-users at lists.llvm.org> wrote:

> Dear colleguaes, it seems i have met the bug for processing of C++11
> custom language attributes.
>
> 1) I took example from
> https://github.com/llvm/llvm-project/blob/main/clang/examples/Attribute/Attribute.cpp
> 2) And make a short sample which reproduce the bug
> https://github.com/FROL256/clang_parse_ast_example
>
> The problem in that getNumArgs() is always zero, nevermind how many
> arguments we actually have in the attribute.
> I have tested this with clang 12. I think i could test it under clang 14
> if build sample as a part of llvm.
> But probably i just did some-thing wrong ... ?
>
> Anyway it would be nice to have this issue working with clang 12 because
> usually i work with prebuild packages of clang and libtooling on Linux Mint.
> Could you please look prepared sample and suggest sms if possible ...
> thanks! )
> --
> Best Regards,
>  Frolov V.A.
>
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