[PATCH] D105368: Lex: add a callback for `#pragma mark`

[Saleem Abdulrasool via Phabricator via cfe-commits]

compnerd created this revision.
compnerd added reviewers: dgoldman, rsmith, aaron.ballman.
Herald added subscribers: usaxena95, kadircet, kbarton, nemanjai.
compnerd requested review of this revision.
Herald added a subscriber: ilya-biryukov.
Herald added a project: clang.

Allow a preprocessor observer to be notified of mark pragmas.  Although
this does not impact code generation in any way, it is useful for other
clients, such as clangd, to be able to identify any marked regions.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D105368

Files:
  clang/include/clang/Lex/PPCallbacks.h
  clang/include/clang/Lex/Preprocessor.h
  clang/lib/Lex/Pragma.cpp
  clang/unittests/Lex/PPCallbacksTest.cpp

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