[PATCH] D50896: [clangd] Add xrefs LSP boilerplate implementation.

[Sam McCall via Phabricator via cfe-commits]

sammccall updated this revision to Diff 164010.
sammccall added a comment.

Updated based on findReferences implementation which has now landed.
Removed ReferenceContext support for now, implementation has no options.
references->findReferences in ClangdServer (more consistent with other methods)
Added lit test for this feature.
Set this feature to true in LSP capabilities.
Made initialize-params-invalid less brittle instead of updating it.


Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D50896

Files:
  clangd/ClangdLSPServer.cpp
  clangd/ClangdLSPServer.h
  clangd/ClangdServer.cpp
  clangd/ClangdServer.h
  clangd/Protocol.cpp
  clangd/Protocol.h
  clangd/ProtocolHandlers.cpp
  clangd/ProtocolHandlers.h
  clangd/XRefs.cpp
  test/clangd/initialize-params-invalid.test
  test/clangd/initialize-params.test
  test/clangd/references.test

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