[cfe-dev] clang-tidy google-build-using-namespace check and std::.*literals

[Nikola Smiljanic via cfe-dev]

Could it be the leading :: in your regex?

On Sat, Feb 13, 2016 at 4:10 AM, Martin via cfe-dev <cfe-dev at lists.llvm.org>
wrote:

> Hello,
>
> (I am not subscribed to cfe-dev so please keep me in CC.)
>
> I would like to get some feedback on
> https://llvm.org/bugs/show_bug.cgi?id=25594 . Patch here:
> https://llvm.org/bugs/attachment.cgi?id=15324 .
>
> More specifically, why does my matcher modification not make it so
> that the check skips std::.*literals namespaces? Have I misunderstood
> what regular expression dialect is used in LLVM? Am I not using the
> matcher correctly?
>
> When writing the patch I tried to see how matchers are used in other
> places and also tried to verify the regexp dialect. If I remember
> correctly, I could not find any documentation for this though. Or, at
> least any documentation or uses of matchers in other places of the
> code that indicated to me that this should not work.
>
> Also, is this patch something that is wanted? As far as I know there
> is no way to use the standard defined literals without "using".
>
> Thanks!
>
> --
> Martin
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