[PATCH] D42575: [clangd] Better handling symbols defined in macros.

[Haojian Wu via Phabricator via cfe-commits]

hokein created this revision.
hokein added a reviewer: ioeric.
Herald added subscribers: jkorous-apple, ilya-biryukov, klimek.

For symbols defined inside macros:

- use expansion location, if the symbol is formed via macro concatenation.
- use spelling location, otherwise.

This will fix some symbols that have ill-format location (especial invalid filepath).


Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D42575

Files:
  clangd/index/SymbolCollector.cpp
  unittests/clangd/Annotations.cpp
  unittests/clangd/Annotations.h
  unittests/clangd/SymbolCollectorTests.cpp

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