Replace neocomplete with deoplete

.gitmodules

@@ -103,9 +103,6 @@
 [submodule "vim/bundle/ReplaceWithRegister"]
 	path = vim/bundle/ReplaceWithRegister
 	url = https://github.com/prurigro/ReplaceWithRegister.git
-[submodule "vim/bundle/neocomplete.vim"]
-	path = vim/bundle/neocomplete.vim
-	url = https://github.com/Shougo/neocomplete.vim
 [submodule "vim/bundle/FastFold"]
 	path = vim/bundle/FastFold
 	url = https://github.com/Konfekt/FastFold.git
@@ -124,3 +121,15 @@
 [submodule "vim/bundle/lightline-ale"]
 	path = vim/bundle/lightline-ale
 	url = https://github.com/maximbaz/lightline-ale
+[submodule "vim/bundle/deoplete.nvim"]
+	path = vim/bundle/deoplete.nvim
+	url = https://github.com/Shougo/deoplete.nvim
+[submodule "vim/bundle/nvim-yarp"]
+	path = vim/bundle/nvim-yarp
+	url = https://github.com/roxma/nvim-yarp
+[submodule "vim/bundle/vim-hug-neovim-rpc"]
+	path = vim/bundle/vim-hug-neovim-rpc
+	url = https://github.com/roxma/vim-hug-neovim-rpc
+[submodule "vim/bundle/neco-syntax"]
+	path = vim/bundle/neco-syntax
+	url = https://github.com/Shougo/neco-syntax.git

README.md

@@ -9,13 +9,13 @@ A theme, config and collection of plugins for Vim.
 * **Coreutils**: Required by the _update_ script.
 * **Git**: Required by the _update_ script and git-related plugins.
 * **Python**: Required by the _gundo.vim_ and _MatchTagAlways_ plugins.
-* **Lua**: Required by the _neocomplete.vim_ plugin.
 
 ## Optional Requirements ##
 
 * **Compilers, Linters and Runtimes**: The ale plugin can use compilers, linters and runtimes to provide real-time syntax checking.
-* **CTags**: Required by the _tagbar_ and _neocomplete_ plugins as well as the _gentags_ script ([ctags website](http://ctags.sourceforge.net)).
+* **CTags**: Required by the _tagbar_ and _deoplete_ plugins as well as the _gentags_ script ([ctags website](http://ctags.sourceforge.net)).
 * **Powerline Fonts**: Required to enable the fancier looking status line ([powerline-fonts repo](https://github.com/Lokaltog/powerline-fonts)).
+* **Python 3 and Neovim Python Module**: Required for _deoplete_ autocompletion
 
 ## Distribution Features ##
 
@@ -60,6 +60,7 @@ As usual, to have your system use `vimpager` in place of `less`, you'll need to
   * `g:autostartfiler`: **1** = Start the filer file manager when vim is run and the buffer is empty | **0** = Do nothing when vim is run and the buffer is empty (_default_: **1**)
   * `g:autostartchecker`: **1** = Check syntax once an appropriate file is loaded | **0** = Check syntax only after syntax checking is toggled on (_default_: **0**)
   * `g:autostarttagbar`: **1** = Have the tagbar load automatically when a compatible format is run | **0** = The tagbar will stay hidden until triggered on demand with its toggle (_default_: **0**)
+  * `g:disablecompletion`: **1** = Disable _deoplete_ autocompletion | **0** = Enable _deoplete _autocompletion_ if the requirements are met (_default_: **0**)
   * `g:disableautotags`: **1** = Prevent tags from being automatically generated and highlighted | **0** = Automatically generate and highlight tags (_default_: **0**)
   * `g:disablelinebreaks`: **1** = Override filetype plugins so linebreaks never occur | **0** = Linebreaks are disabled by default, but filetype plugins can override this setting (_default_: **0**)
   * `g:powerlinefonts`: **1** = Render the statusline using characters available with powerline-patched fonts | **0** = Render the statusbar with less attractive but more compatible characters available in all fonts (_default_: **0**)
@@ -160,6 +161,10 @@ For a complete list of mappings specific to **darkcloud-vimconfig**, check the l
 * [ale](https://github.com/w0rp/ale): Asynchronous Lint Engine
 * [autoswap.vim](https://github.com/vim-scripts/autoswap.vim): Switch to open editor window instead of asking what to do with swapfile.
 * [cosco.vim](https://github.com/lfilho/cosco.vim): VIM colon and semicolon insertion bliss
+* [deoplete.nvim](https://github.com/Shougo/deoplete.nvim): Dark powered asynchronous completion framework for neovim/Vim8
+  * [neco-syntax](https://github.com/Shougo/neco-syntax): Syntax source for neocomplete/deoplete/ncm
+  * [nvim-yarp](https://github.com/roxma/nvim-yarp): Yet Another Remote Plugin Framework for Neovim
+  * [vim-hug-neovim-rpc](https://github.com/roxma/vim-hug-neovim-rpc): A compatibility layer for neovim rpc client working on vim8
 * [editorconfig-vim](https://github.com/editorconfig/editorconfig-vim): EditorConfig plugin for Vim that auto-configures certain settings when a .editorconfig file is present
 * [emmet-vim](https://github.com/mattn/emmet-vim): Support for expanding abbreviations.
   * [webapi-vim](https://github.com/mattn/webapi-vim): A web library used by emmet to provide support for custom snippets.
@@ -169,7 +174,6 @@ For a complete list of mappings specific to **darkcloud-vimconfig**, check the l
 * [incsearch.vim](https://github.com/haya14busa/incsearch.vim): Improved incremental searching for Vim.
 * [lightline.vim](https://github.com/itchyny/lightline.vim): A light and configurable statusline/tabline for Vim.
 * [MatchTagAlways](https://github.com/Valloric/MatchTagAlways): A Vim plugin that always highlights the enclosing html/xml tags.
-* [neocomplete.vim](https://github.com/Shougo/neocomplete.vim): Next generation completion framework after neocomplcache.
 * [patchreview-vim](https://github.com/junkblocker/patchreview-vim): A Vim plugin for doing single, multi-patch or diff code reviews.
 * [rename.vim](https://github.com/danro/rename.vim): Rename the current file in the vim buffer + retain relative path.
 * [ReplaceWithRegister](https://github.com/vim-scripts/ReplaceWithRegister): Replace text with the contents of a register (for paste+replace without writing over the buffer).

update

@@ -121,6 +121,7 @@ printf '\n%s\n' "$cbg_black ~~~ DarkCloud Vimconfig Update Tool ~~~ $c_reset"
             printf '%s\n%s\n\n' '"Autostart Filer in empty buffers: (*1:filer loads in new empty buffers | 0:filer must be triggered)' '"let g:autostartfiler = 1'
             printf '%s\n%s\n\n' '"Autocheck syntax checking: (1:start toggled on | *0:start toggled off)' '"let g:autostartchecker = 0'
             printf '%s\n%s\n\n' '"Autoload Tagbar: (1:start open | *0:start closed)' '"let g:autostarttagbar = 0'
+            printf '%s\n%s\n\n' '"Disable Completion: (1:disable completion | *0:enable completion if requirements are met)' '"let g:disablecompletion = 0'
             printf '%s\n%s\n\n' '"Disable automatic tag generation and highlighting: (1:force disabled tag generation and highlighting | *0:enable automatic tag generation and highlighting)' '"let g:disableautotags = 0'
             printf '%s\n%s\n\n' '"Disable automatic linebreaking: (1:force disabled globally | *0:let the filetype decide)' '"let g:disablelinebreaks = 0'
             printf '%s\n%s\n\n' '"Enable Powerline fonts: (1:expect powerline font | *0:expect regular font)' '"let g:powerlinefonts = 0 "(set powerline font for gvim and terminal when enabled)'

vim/bundle/deoplete.nvim

@@ -0,0 +1 @@
+Subproject commit c3c9406bfb4207c057d6a366c88466256a6ea2bd

vim/bundle/neco-syntax

@@ -0,0 +1 @@
+Subproject commit 98cba4a98a4f44dcff80216d0b4aa6f41c2ce3e3

vim/bundle/neocomplete.vim

@@ -1 +0,0 @@
-Subproject commit 1401a1c6ab56546c55804ba09e6c9fe87654e954

vim/bundle/nvim-yarp

@@ -0,0 +1 @@
+Subproject commit b222af8dbbfb35c6d833fd76a940f6ca2fe322fa

vim/bundle/vim-hug-neovim-rpc

@@ -0,0 +1 @@
+Subproject commit e8af9b262bfcae1b2f5c755a099cba9687c33a0a

vim/config/keyboard.vim

@@ -171,12 +171,6 @@
 "      <Ctrl-D>               | (I) -> cut line before cursor during input
 "      <Ctrl-Y>               | (I) -> paste what's been cut during input
 "
-"  (autocompletion)
-"    <Enter>                  | (I) -> (neocomplete) close the popup and <Enter>
-"    <Tab>                    | (I) -> (neocomplete) select/cycle popup completion
-"    <Backspace>              | (I) -> (neocomplete) close the popup and <Backspace>
-"    <Ctrl-u>                 | (I) -> (neocomplete) undo the most recent completion
-"
 "  (fixing-and-formatting)
 "    <Leader>J                | (N) -> split document into lines of tw or 80
 "    <Leader>J                | (V) -> split selection into lines of tw or 80
@@ -684,25 +678,6 @@
         inoremap <C-w> <C-g>u<C-w>
     "}
 
-    "AUTOCOMPLETION:{
-        if !has('nvim') && has('lua')
-            "neocomplete close popup and save indent
-            inoremap <silent> <CR> <C-r>=<SID>neocache_cr()<CR>
-            function! s:neocache_cr()
-                return pumvisible() ? "\<C-y>" : "\<CR>"
-            endfunction
-
-            "neocomplete tab completion
-            inoremap <expr><Tab> pumvisible() ? "\<C-n>" : "\<TAB>"
-
-            "neocomplete close popup
-            inoremap <expr><Backspace> neocomplete#smart_close_popup()."\<C-h>"
-
-            "neocomplete undo completion
-            inoremap <expr><C-u> neocomplete#undo_completion()
-        endif
-    "}
-
     "FIXING AND FORMATTING:{
         "format width to text width (or 80 chars if text width is 0)
         nnoremap <silent><expr> <Leader>J ':let b:tw=&textwidth<CR>:if (b:tw == 0)<Bar>set tw=80<Bar>endif<CR>gg0vG$gq:if (b:tw == 0)<Bar>set tw=0<Bar>let b:tw=80<Bar>endif<CR>:echo "Document has been formatted to a width of ".b:tw." characters"<CR>'

vim/config/plugins/deoplete.vim

@@ -0,0 +1,9 @@
+"disable completion (default: 0)
+if !exists("g:disablecompletion")
+    let g:disablecompletion = 0
+endif
+
+if !g:disablecompletion && g:python_neovim
+    let g:deoplete#enable_at_startup = 1
+    let deoplete#tag#cache_limit_size = 5000000
+endif

vim/config/plugins/neocomplete.vim

@@ -1,28 +0,0 @@
-let g:neocomplete#enable_at_startup=1
-let g:neocomplete#enable_smart_case=1
-let g:neocomplete#sources#syntax#min_keyword_length=3
-
-if !exists('g:neocomplete#sources#omni#input_patterns')
-    let g:neocomplete#sources#omni#input_patterns = {}
-endif
-
-let g:neocomplete#sources#omni#input_patterns.c='[^.[:digit:] *\t]\%(\.\|->\)\%(\h\w*\)\?'
-let g:neocomplete#sources#omni#input_patterns.cpp='[^.[:digit:] *\t]\%(\.\|->\)\%(\h\w*\)\?\|\h\w*::\%(\h\w*\)\?'
-let g:neocomplete#sources#omni#input_patterns.xml='<[^>]*'
-let g:neocomplete#sources#omni#input_patterns.html='<[^>]*'
-let g:neocomplete#sources#omni#input_patterns.xhtml='<[^>]*'
-let g:neocomplete#sources#omni#input_patterns.markdown='<[^>]*'
-let g:neocomplete#sources#omni#input_patterns.css='^\s\+\w+\|\w+[):;]?\s\+\|[@!]'
-let g:neocomplete#sources#omni#input_patterns.less='^\s\+\w+\|\w+[):;]?\s\+\|[@!]'
-let g:neocomplete#sources#omni#input_patterns.javascript='[^. \t]\.\%(\h\w*\)\?'
-let g:neocomplete#sources#omni#input_patterns.json='[^. \t]\.\%(\h\w*\)\?'
-let g:neocomplete#sources#omni#input_patterns.python='[^. *\t]\.\h\w*\|\h\w*::'
-let g:neocomplete#sources#omni#input_patterns.ruby='[^. *\t]\.\w*\|\h\w*::'
-let g:neocomplete#sources#omni#input_patterns.php='[^. \t]->\%(\h\w*\)\?\|\h\w*::\%(\h\w*\)\?'
-let g:neocomplete#sources#omni#input_patterns.actionscript='[^. \t][.:]\h\w*'
-let g:neocomplete#sources#omni#input_patterns.python3='[^. *\t]\.\h\w*\|\h\w*::'
-let g:neocomplete#sources#omni#input_patterns.go='\h\w*\%.'
-let g:neocomplete#sources#omni#input_patterns.perl='\h\w*->\h\w*\|\h\w*::'
-let g:neocomplete#sources#omni#input_patterns.java='\%(\h\w*\|)\)\.'
-let g:neocomplete#sources#omni#input_patterns.objc='\h\w\+\|\h\w*\%(\.\|->\)\h\w*'
-let g:neocomplete#sources#omni#input_patterns.objj='[\[ \.]\w\+$\|:\w*$'

vimrc

@@ -35,10 +35,27 @@
     "Load Settings:
     runtime config/settings.vim
 
-    "Init Plugin Loader:
+    "Initialize Plugins:
     let pathogen_disabled = []
 
-    " disable incompatible plugins
+    " configure pythonx and the python_neovim variable to determine whether deoplete should be loaded
+    if has('python3')
+        set pyxversion=3
+
+        redir => python_neovim_check
+        silent pythonx exec("import pkgutil\nneovim = pkgutil.find_loader('neovim')\nfound = neovim is not None\nprint(found)")
+        redir END
+
+        if substitute(python_neovim_check, '^\n*\([^\n]*\)\n*$', '\1', '') == 'True'
+            let g:python_neovim = 1
+        else
+            let g:python_neovim = 0
+        endif
+    else
+        let g:python_neovim = 0
+    endif
+
+    " disable incompatible/unnecessary plugins
     if has('nvim')
         call add(pathogen_disabled, 'vim-fixkey')
     endif
@@ -48,10 +65,17 @@
         call add(pathogen_disabled, 'MatchTagAlways')
     endif
 
-    if !has('lua')
-        call add(pathogen_disabled, 'neocomplete.vim')
+    if !g:python_neovim
+        call add(pathogen_disabled, 'deoplete.nvim')
+        call add(pathogen_disabled, 'neco-syntax')
+        call add(pathogen_disabled, 'nvim-yarp')
+        call add(pathogen_disabled, 'vim-hug-neovim-rpc')
+    elseif has('nvim')
+        call add(pathogen_disabled, 'nvim-yarp')
+        call add(pathogen_disabled, 'vim-hug-neovim-rpc')
     endif
 
+    " use pathogen to load plugins that haven't been disabled
     runtime bundle/vim-pathogen/autoload/pathogen.vim
 
     "Load Keymappings: