hugoeg added inline comments.
================
Comment at: clang-tidy/abseil/AbseilMatcher.h:32
+ auto Filename = FileEntry->getName();
+ llvm::Regex RE("absl/(base|container|debugging|memory|meta|numeric|strings|"
+ "synchronization|types|utiliy)");
----------------
deannagarcia wrote:
> deannagarcia wrote:
> > lebedev.ri wrote:
> > > hokein wrote:
> > > > lebedev.ri wrote:
> > > > > hokein wrote:
> > > > > > The regex seems incomplete, we are missing `algorithm`, `time`
> > > > > > subdirectory.
> > > > > So what happens if open the namespace in a file that is located in my
> > > > > personal `absl/base` directory?
> > > > > It will be false-negatively not reported?
> > > > Yes, I'd say this is a known limitation.
> > > Similarly, the check will break (start producing false-positives) as soon
> > > as a new directory is added to abseil proper.
> > > I don't have any reliable idea on how to do this better, but the current
> > > solution seems rather suboptimal..
> > We are aware that there will be a false-negative if code opens namespace in
> > the absl directories, however we think that is pretty rare and that users
> > shouldn't be doing that anyway. No matter how we do this there will be a
> > way for users to circumvent the check, and we will allow those users to do
> > it because it will be their code that breaks in the end.
> The false-positive with new directories is something we thought about, but
> new directories aren't added to absl very often so we thought it wouldn't be
> too hard to add them to this regex when they are.
Members of the Abseil team can also update this check as new directories are
release
https://reviews.llvm.org/D50580
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