Restore old init.vim

init.vim

@@ -3,24 +3,35 @@ set nocompatible
 
 " PLUGNIS ###########################################################{{{
 call plug#begin()
-
+if has('nvim')
-" Conquer of Completion
+  Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
-Plug 'neoclide/coc.nvim', {'branch': 'release'}
+else
+  Plug 'Shougo/deoplete.nvim'
+  Plug 'roxma/nvim-yarp'
+  Plug 'roxma/vim-hug-neovim-rpc'
+endif
 
 " General plugins
 Plug 'vim-airline/vim-airline'
 Plug 'vim-airline/vim-airline-themes'
 Plug 'https://gitea.tforgione.fr/tforgione/peach.git'
 Plug 'scrooloose/nerdtree'
+Plug 'w0rp/ale'
 Plug 'tpope/vim-abolish'
 
 " Language specific plugins
 
+" C++
+Plug 'Shougo/deoplete-clangx'
+
 " Rust
 Plug 'rust-lang/rust.vim'
+Plug 'racer-rust/vim-racer'
+Plug 'sebastianmarkow/deoplete-rust'
 
 " Elm
 Plug 'ElmCast/elm-vim'
+Plug 'antew/vim-elm-language-server'
 
 " Toml
 Plug 'cespare/vim-toml'
@@ -45,7 +56,6 @@ set expandtab
 set tabstop=4
 set shiftwidth=4
 set autoindent
-set tw=120
 " }}}
 
 " UI CONFIG #########################################################{{{
@@ -147,49 +157,11 @@ let g:markdown_composer_browser = 'firefox'
 let g:instant_markdown_autostart = 0
 " }}}
 
-" COC CONFIG ########################################################{{{
+" CODE COMPLETION ###################################################{{{
 
-" Use `[g` and `]g` to navigate diagnostics
+" Use deoplete
-" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
+let g:deoplete#enable_at_startup = 1
-nmap <silent> gp <Plug>(coc-diagnostic-prev)
+autocmd FileType elm call deoplete#custom#buffer_option('auto_complete', v:false)
-nmap <silent> gn <Plug>(coc-diagnostic-next)
-
-" GoTo code navigation.
-nmap <silent> gd <Plug>(coc-definition)
-nmap <silent> gy <Plug>(coc-type-definition)
-nmap <silent> gi <Plug>(coc-implementation)
-nmap <silent> gr <Plug>(coc-references)
-
-" Add `:Format` command to format current buffer.
-command! -nargs=0 Format :call CocAction('format')
-
-" Use K to show documentation in preview window.
-nnoremap <silent> K :call <SID>show_documentation()<CR>
-
-
-function! s:show_documentation()
-  if (index(['vim','help'], &filetype) >= 0)
-    execute 'h '.expand('<cword>')
-  elseif (coc#rpc#ready())
-    call CocActionAsync('doHover')
-  else
-    execute '!' . &keywordprg . " " . expand('<cword>')
-  endif
-endfunction
-
-" Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
-" delays and poor user experience.
-set updatetime=300
-
-" Highlight the symbol and its references when holding the cursor.
-autocmd CursorHold * silent call CocActionAsync('highlight')
-
-" Symbol renaming.
-nmap <leader>rn <Plug>(coc-rename)
-
-" Formatting selected code.
-xmap <leader>f  <Plug>(coc-format-selected)
-nmap <leader>f  <Plug>(coc-format-selected)
 
 " Autoclose preview
 autocmd CursorMovedI * if pumvisible() == 0|pclose|endif
@@ -197,7 +169,19 @@ autocmd InsertLeave * if pumvisible() == 0|pclose|endif
 
 " Complete on tab
 inoremap <expr><TAB>  pumvisible() ? "\<C-n>" : "\<TAB>"
+
 " }}}
 
 " CUSTOM THINGS DEPENDING ON ENV ####################################{{{
 let g:rustfmt_autosave = 1
+let g:ale_linters = {}
+let g:ale_c_parse_compile_commands=1
+let g:ale_elm_ls_use_global = 1
+let g:ale_linters_ignore = { 'elm': ['make'] }
+let g:ale_lint_on_text_changed = 0
+if $NVIM_DISABLE_PYTHON_LINTER == '1'
+    let g:ale_linters.python = []
+endif
+if $NVIM_DISABLE_JAVA_LINTER == '1'
+    let g:ale_linters.java = []
+endif