friss added inline comments.
================
Comment at: lldb/source/Plugins/Language/ObjC/ObjCLanguage.h:96-98
+ bool IsMangledName(llvm::StringRef name) const override {
+ return false;
+ }
----------------
shafik wrote:
> xiaobai wrote:
> > friss wrote:
> > > The original code was calling `IsPossibleObjCMethodName` and it looks
> > > like you completely lose this codepath with this rewrite. Unclear to me
> > > if it's the right thing to return here, but that's definitely a change in
> > > behavior.
> > If I understand correctly, Objective-C names aren't mangled in general, and
> > are usually stored in the `m_demangled` name of `Mangled`, so that code
> > path should have been bogus to begin with. Maybe I'm missing a detail
> > though?
> >
> > I can add a comment to this to clarify that Objective-C names aren't
> > mangled (if I am correct in my understanding).
> I believe this is true, I have not verified it myself. I believe what happens
> is that `m_mangled` is just set directly in the Objective-C but it probably
> would be nice to verify this via a test in `MangledTest.cpp` I actually
> though @mib had added a test here for Objective-C the other day.
> If I understand correctly, Objective-C names aren't mangled in general, and
> are usually stored in the m_demangled name of Mangled, so that code path
> should have been bogus to begin with. Maybe I'm missing a detail though?
I'm just pointing out a change in behavior. If a `Mangled` object had
`m_mangled` set to an Obj-C method name, `GuessLanguage()` would have returned
`eLanguageTypeObjC` before your patch. It won't do it after. I don't actually
know whether we ever put a method name in `m_mangled`, but I bet we do.
Whether Obj-C symbols are actually mangled or not is debatable too. The name of
the method symbol tells you whether it is a class or instance method and the
number and names of arguments. Looks pretty close to the information the C++
mangling gives you for a symbol.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D74187/new/
https://reviews.llvm.org/D74187
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