Drop BufRead event
Considering that a buffer won't be parsed if no filetype is set and that it's already parsed if the filetype is set when reading a buffer, there is no point in parsing a buffer on the BufRead event.
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@ -85,12 +85,12 @@ function! youcompleteme#Enable()
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" Note that these events will NOT trigger for the file vim is started with;
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" so if you do "vim foo.cc", these events will not trigger when that buffer
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" is read. This is because youcompleteme#Enable() is called on VimEnter and
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" that happens *after* BufRead/FileType has already triggered for the
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" initial file.
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" We also need to trigger buf init code on the FileType event because when
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" the user does :enew and then :set ft=something, we need to run buf init
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" code again.
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autocmd BufRead,FileType * call s:OnBufferRead()
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" that happens *after* FileType has already triggered for the initial file.
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" We don't parse the buffer on the BufRead event since it would only be
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" useful if the buffer filetype is set (we ignore the buffer if there is no
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" filetype) and if so, the FileType event has triggered before and thus the
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" buffer is already parsed.
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autocmd FileType * call s:OnFileTypeSet()
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autocmd BufEnter * call s:OnBufferEnter()
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autocmd BufUnload * call s:OnBufferUnload()
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autocmd CursorHold,CursorHoldI * call s:OnCursorHold()
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@ -100,10 +100,10 @@ function! youcompleteme#Enable()
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autocmd CompleteDone * call s:OnCompleteDone()
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augroup END
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" BufRead/FileType events are not triggered for the first loaded file.
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" However, we don't directly call the s:OnBufferRead function because it
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" would send requests that can't succeed as the server is not ready yet and
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" would slow down startup.
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" The FileType event is not triggered for the first loaded file. However, we
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" don't directly call the s:OnFileTypeSet function because it would send
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" requests that can't succeed as the server is not ready yet and would slow
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" down startup.
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if s:AllowedToCompleteInCurrentBuffer()
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call s:SetCompleteFunc()
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endif
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@ -414,7 +414,7 @@ function! s:OnCompleteDone()
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endfunction
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function! s:OnBufferRead()
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function! s:OnFileTypeSet()
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if !s:AllowedToCompleteInCurrentBuffer()
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return
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endif
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