[PATCH] D63295: [clang][HeaderSearch] Shorten paths for includes in mainfile's directory

[Kadir Cetinkaya via Phabricator via cfe-commits]

kadircet created this revision.
kadircet added a reviewer: gribozavr.
Herald added subscribers: cfe-commits, arphaman, jkorous.
Herald added a project: clang.

Currently HeaderSearch only looks at SearchDir's passed into it, but in
addition to those paths headers can be relative to including file's directory.

This patch makes sure that is taken into account.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D63295

Files:
  clang-tools-extra/clang-include-fixer/IncludeFixer.cpp
  clang-tools-extra/clangd/CodeComplete.cpp
  clang-tools-extra/clangd/Headers.cpp
  clang-tools-extra/clangd/Headers.h
  clang-tools-extra/clangd/IncludeFixer.cpp
  clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp
  clang-tools-extra/clangd/unittests/HeadersTests.cpp
  clang/include/clang/Lex/HeaderSearch.h
  clang/lib/Lex/HeaderSearch.cpp
  clang/lib/Sema/SemaLookup.cpp
  clang/unittests/Lex/HeaderSearchTest.cpp

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