whisperity added inline comments.
================
Comment at: clang/lib/Analysis/MacroExpansionContext.cpp:22
+ : PP(PP), SM(PP.getSourceManager()), LangOpts(LangOpts) {
+ class MacroExpansionRangeRecorder : public PPCallbacks {
+ const Preprocessor &PP;
----------------
xazax.hun wrote:
> steakhal wrote:
> > xazax.hun wrote:
> > > It may be more idiomatic to put classes in an anonymous namespace rather
> > > than expanding them in a method.
> > I tried, but I could not hide the `MacroExpansionRangeRecorder` class as a
> > detail.
> > https://godbolt.org/z/bcYK7x
> > Let me know if there is a better way to hide details.
> I don't see any problems with the code you linked. What do you mean by could
> not hide it better? I think, it is very common to have utility functions with
> the current file as the visibility.
@steakhal You need to forward declare the class in the detail namespace first
**within the header** (so both the namespace and the qualified name
`detail::Class` is introduced), and then the `friend class` declaration works
as intended, see: https://godbolt.org/z/hs45ze
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D93222/new/
https://reviews.llvm.org/D93222
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