[RFC] Fix #471 Parallel

README.md

@@ -15,13 +15,8 @@ To view the current options, please consult the
 ## Installation
 
 **Note:** deoplete requires Neovim(latest is recommended) or Vim8 with Python3 and
-timers(neovim ver.0.1.5+) enabled.  See [requirements](#requirements) if you
-aren't sure whether you have this.
-
-1. Extract the files and put them in your Neovim or .vim directory
-   (usually `$XDG_CONFIG_HOME/nvim/`).
-2. Write `call deoplete#enable()` or `let g:deoplete#enable_at_startup = 1` in
-   your `init.vim`
+timers enabled.  See [requirements](#requirements) if you aren't sure whether
+you have this.
 
 
 For vim-plug
@@ -34,6 +29,7 @@ else
   Plug 'roxma/nvim-yarp'
   Plug 'roxma/vim-hug-neovim-rpc'
 endif
+let g:deoplete#enable_at_startup = 1
 ```
 
 For dein.vim
@@ -44,13 +40,22 @@ if !has('nvim')
   call dein#add('roxma/nvim-yarp')
   call dein#add('roxma/vim-hug-neovim-rpc')
 endif
+let g:deoplete#enable_at_startup = 1
 ```
 
+For manual installation(not recommended)
+
+1. Extract the files and put them in your Neovim or .vim directory
+   (usually `$XDG_CONFIG_HOME/nvim/`).
+
+2. Write `call deoplete#enable()` or `let g:deoplete#enable_at_startup = 1` in
+   your `init.vim`
+
 
 ## Requirements
 
-deoplete requires Neovim or Vim8 with if\_python3.
-If `:echo has("python3")` returns `1`, then you have python 3 support; otherwise, see below.
+deoplete requires Neovim or Vim8 with if\_python3.  If `:echo has("python3")`
+returns `1`, then you have python 3 support; otherwise, see below.
 
 You can enable Python3 interface with pip:
 
@@ -76,6 +81,7 @@ auto-completion.
 let g:deoplete#enable_at_startup = 1
 ```
 
+
 ## Sources
 
 deoplete will display completions via `complete()` by default.
@@ -122,5 +128,4 @@ https://www.youtube.com/watch?v=oanoPTpiSF4
 
 [Register/Extract list completions](https://camo.githubusercontent.com/6a6df993ad0e05c014c72c8f8702447f9b34ad90/68747470733a2f2f692e696d6775722e636f6d2f5131663731744a2e676966)
 
-### deoplete-fsharp sample ( Enjoy! )
 ![FSharp completion using deopletefs](https://github.com/callmekohei/deoplete-fsharp/blob/master/pic/sample.gif)

autoload/deoplete/handler.vim

@@ -51,15 +51,16 @@ function! s:do_complete(timer) abort
     return
   endif
 
+  let prev = g:deoplete#_prev_completion
   if context.event !=# 'Manual'
-        \ && s:prev_completion.complete_position == getpos('.')
-        \ && s:prev_completion.candidates ==# context.candidates
+        \ && prev.complete_position == getpos('.')
+        \ && prev.candidates ==# context.candidates
     return
   endif
 
-  let s:prev_completion.event = context.event
-  let s:prev_completion.candidates = context.candidates
-  let s:prev_completion.complete_position = getpos('.')
+  let prev.event = context.event
+  let prev.candidates = context.candidates
+  let prev.complete_position = getpos('.')
 
   if context.event ==# 'Manual'
     let context.event = ''
@@ -83,11 +84,13 @@ function! deoplete#handler#_completion_timer_start() abort
     call s:completion_timer_stop()
   endif
 
-  let delay = max([50, g:deoplete#auto_complete_delay])
+  let delay = max([20, g:deoplete#auto_complete_delay])
   let s:completion_timer = timer_start(delay, function('s:do_complete'))
 
-  let s:prev_completion = {
-        \ 'complete_position': [], 'candidates': [], 'event': ''
+  let g:deoplete#_prev_completion = {
+        \ 'complete_position': [],
+        \ 'candidates': [],
+        \ 'event': '',
         \ }
 endfunction
 function! s:completion_timer_stop() abort
@@ -106,7 +109,7 @@ function! deoplete#handler#_async_timer_start() abort
 
   let s:async_timer = { 'event': 'Async', 'changedtick': b:changedtick }
   let s:async_timer.id = timer_start(
-        \ max([50, g:deoplete#auto_refresh_delay]),
+        \ max([20, g:deoplete#auto_refresh_delay]),
         \ function('s:completion_async'), {'repeat': -1})
 endfunction
 function! deoplete#handler#_async_timer_stop() abort
@@ -132,7 +135,7 @@ function! s:completion_begin(event) abort
     return
   endif
 
-  if exists('s:prev_completion') && s:prev_completion.event !=# 'Manual'
+  if g:deoplete#_prev_completion.event !=# 'Manual'
     " Call omni completion
     for filetype in context.filetypes
       for pattern in deoplete#util#convert2list(

autoload/deoplete/init.vim

@@ -4,6 +4,9 @@
 " License: MIT license
 "=============================================================================
 
+let s:dp_main = fnamemodify(expand('<sfile>'), ':h:h:h')
+      \ . '/rplugin/python3/deoplete/dp_main.py'
+
 if !exists('s:is_enabled')
   let s:is_enabled = 0
 endif
@@ -100,6 +103,11 @@ function! deoplete#init#_disable() abort
 endfunction
 
 function! deoplete#init#_variables() abort
+  let g:deoplete#_prev_completion = {
+        \ 'complete_position': [],
+        \ 'candidates': [],
+        \ 'event': '',
+        \ }
   let g:deoplete#_context = {}
   let g:deoplete#_rank = {}
   if !exists('g:deoplete#_logging')
@@ -135,7 +143,7 @@ function! deoplete#init#_variables() abort
   call deoplete#util#set_default(
         \ 'g:deoplete#auto_complete_delay', 50)
   call deoplete#util#set_default(
-        \ 'g:deoplete#auto_refresh_delay', 500)
+        \ 'g:deoplete#auto_refresh_delay', 50)
   call deoplete#util#set_default(
         \ 'g:deoplete#max_abbr_width', 80)
   call deoplete#util#set_default(
@@ -144,6 +152,8 @@ function! deoplete#init#_variables() abort
         \ 'g:deoplete#skip_chars', [])
   call deoplete#util#set_default(
         \ 'g:deoplete#complete_method', 'complete')
+  call deoplete#util#set_default(
+        \ 'g:deoplete#max_processes', 4)
 
   call deoplete#util#set_default(
         \ 'g:deoplete#keyword_patterns', {})
@@ -221,6 +231,10 @@ function! deoplete#init#_context(event, sources) abort
 
   return {
         \ 'changedtick': b:changedtick,
+        \ 'serveraddr': (has('nvim') ?
+        \                v:servername : neovim_rpc#serveraddr()),
+        \ 'python3': get(g:, 'python3_host_prog', 'python3'),
+        \ 'dp_main': s:dp_main,
         \ 'event': event,
         \ 'input': input,
         \ 'is_windows': ((has('win32') || has('win64')) ? v:true : v:false),

autoload/deoplete/util.vim

@@ -218,6 +218,11 @@ function! deoplete#util#rpcnotify(event, context) abort
     return ''
   endif
   call s:notify(a:event, a:context)
+  if has('nvim') && a:event ==# 'deoplete_on_event' && a:context['event'] ==# 'VimLeavePre'
+    while !exists('g:deoplete#_process_stopped')
+      sleep 50m
+    endwhile
+  endif
   return ''
 endfunction
 

doc/deoplete.txt

@@ -195,6 +195,14 @@ g:deoplete#max_list
 
 		Default value: 100
 
+						*g:deoplete#max_processes*
+g:deoplete#max_processes
+		The max number of processes used for the asynchronous
+		completion.
+		If it is less than equal 1, this feature is disabled.
+
+		Default value: 4
+
 						*g:deoplete#max_abbr_width*
 g:deoplete#max_abbr_width
 		If the candidate abbr length exceeds the length it will be cut
@@ -222,7 +230,7 @@ g:deoplete#auto_complete_delay
 g:deoplete#auto_refresh_delay
 		Delay the refresh when asynchronous.
 
-		Default value: 500
+		Default value: 50
 
 					*g:deoplete#skip_chars*
 g:deoplete#skip_chars
@@ -1281,9 +1289,9 @@ phpcd.vim: another PHP omnifunc. Faster.
 https://github.com/php-vim/phpcd.vim
 
 ==============================================================================
-FREQUENTLY ASKED QUESTIONS (FAQ)                                *deoplete-faq*
+FREQUENTLY ASKED QUESTIONS (FAQ)			*deoplete-faq*
 
-                                                        *deoplete-faq-trouble*
+							*deoplete-faq-trouble*
 1. Troubleshooting~
 
 Q: deoplete does not work.
@@ -1370,7 +1378,7 @@ A: Please enable logging feature like this. >
        call deoplete#enable_logging('DEBUG', 'deoplete.log')
        call deoplete#custom#source('jedi', 'is_debug_enabled', 1)
 <
-                                                         *deoplete-faq-config*
+							*deoplete-faq-config*
 2. Configuration~
 
 Q: I want to silence the |ins-completion-menu| messages in the command line
@@ -1515,7 +1523,7 @@ Q: What does each part of a line on the pop up mean?  For example I see:
 A: It is the source mark. [~] is from around source.  A is from
    |deoplete-source-around|.
 
-                                                    *deoplete-faq-ft-specific*
+						    *deoplete-faq-ft-specific*
 3. Filetype Specific Questions~
 
 Q: I want to disable the auto completion for certain filetypes.
@@ -1579,7 +1587,7 @@ Q: I want to complete AAA using deoplete.
 
 A: You can create the source for it. Why don't create the source if you need?
 
-                                                        *deoplete-faq-general*
+							*deoplete-faq-general*
 4. General Questions~
 
 Q: How to donate money to you?

rplugin/python3/deoplete/__init__.py

@@ -28,7 +28,7 @@ def init_channel(self, args):
             self._deoplete = Deoplete(self._vim)
 
         @neovim.rpc_export('deoplete_enable_logging')
-        def enable_logging(self):
+        def enable_logging(self, context):
             self._deoplete.enable_logging()
 
         @neovim.rpc_export('deoplete_auto_completion_begin')
@@ -51,7 +51,7 @@ def on_event(self, context):
     def deoplete_init():
         pass
 
-    def deoplete_enable_logging():
+    def deoplete_enable_logging(context):
         global_deoplete.enable_logging()
 
     def deoplete_auto_completion_begin(context):