[PATCH] D77847: [clangd] Rebuild dependent files when a header is saved.

[Sam McCall via Phabricator via cfe-commits]

sammccall created this revision.
sammccall added a reviewer: kadircet.
Herald added subscribers: cfe-commits, usaxena95, arphaman, jkorous, MaskRay, ilya-biryukov.
Herald added a project: clang.

Caveats:

- only works when the header is changed in the editor and the editor provides the notification
- we revalidate preambles for all open files (stat all their headers) rather than taking advantage of the fact that we know which file changed. This is much simpler!

Fixes https://github.com/clangd/clangd/issues/107


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D77847

Files:
  clang-tools-extra/clangd/ClangdLSPServer.cpp
  clang-tools-extra/clangd/ClangdLSPServer.h
  clang-tools-extra/clangd/Protocol.cpp
  clang-tools-extra/clangd/Protocol.h
  clang-tools-extra/clangd/test/initialize-params.test
  clang-tools-extra/clangd/unittests/ClangdLSPServerTests.cpp

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