dblaikie added inline comments.
================
Comment at: libcxx/utils/gdb/libcxx/printers.py:192
class StdStringPrinter(object):
"""Print a std::string."""
----------------
philnik wrote:
> jgorbe wrote:
> > Mordante wrote:
> > > philnik wrote:
> > > > Mordante wrote:
> > > > > philnik wrote:
> > > > > > Mordante wrote:
> > > > > > > Does this also break the LLDB pretty printer?
> > > > > > Probably. Would be nice to have a test runner for that.
> > > > > I already planned to look into that, D97044#3440904 ;-)
> > > > Do you know where I would have to look to know what the LLDB pretty
> > > > printers do?
> > > Unfortunately no. @jingham seems to be the Data formatter code owner.
> > There was a recent lldb change fixing prettyprinters after a similar change
> > to string:
> > https://github.com/llvm/llvm-project/commit/45428412fd7c9900d3d6ac9803aa7dcf6adfa6fe
> >
> > If the gdb prettyprinter needed fixing for this change, chances are that
> > lldb will need a similar update too.
> Could someone from #lldb help me figure out what to change in the pretty
> printers? I looked at the file, but I don't really understand how it works
> and TBH I don't really feel like spending a lot of time figuring it out. If
> nobody says anything I'll land this in a week.
>
> As a side note: it would be really nice if there were a few more comments
> inside `LibCxx.cpp` to explain what happens there. That would make fixing the
> pretty printer a lot easier. The code is probably not very hard (at least it
> doesn't look like it), but I am looking for a few things that I can't find
> and I have no idea what some of the things mean.
Looks like something around
https://github.com/llvm/llvm-project/blob/2e6ac54cf48aa04f7b05c382c33135b16d3f01ea/lldb/source/Plugins/Language/CPlusPlus/LibCxx.cpp#L597
(& the similar masking in the `else` block a few lines down) - I guess a
specific lookup for the new field would be needed, rather than the bitmasking.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D123580/new/
https://reviews.llvm.org/D123580
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