simark marked 2 inline comments as done.
simark added inline comments.

================
Comment at: clangd/ClangdServer.h:159
   /// constructor will receive onDiagnosticsReady callback.
   void addDocument(PathRef File, StringRef Contents,
+                   WantDiagnostics WantDiags = WantDiagnostics::Auto,
----------------
simark wrote:
> ilya-biryukov wrote:
> > I don't think we should do this on `ClangdServer` level. We will have to 
> > copy the whole file anyway before passing it to clang, so there are no 
> > performance wins here and it complicates the interface.
> > I suggest we update the document text from diffs on `ClangdLSPServer` level 
> > and continue passing the whole document to `ClangdServer`.
> > It would mean `DraftMgr` will need to move to `ClangdLSPServer`, but it's 
> > fine.
> > 
> `ClangdServer` also needs `DraftMgr` for `forceReparse` and 
> `reparseOpenedFiles`.  I guess that too would move to `ClangdLSPServer`?  I'm 
> just not sure how to adapt the unit tests, since we don't have unittests 
> using `ClangdLSPServer` (yet).
Actually, `forceReparse` doesn't really need `DraftMgr` (it's only used for the 
assert), only `reparseOpenedFiles` needs it.  So in the test, we can manually 
call `forceReparse` on all the files by hand... this just means that 
`reparseOpenedFiles` won't be tested anymore.


Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D44272



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