vim: ++coc.nvim settings

etc/soft/nvim/coc-settings.json

@@ -0,0 +1,54 @@
+{
+	"diagnostic.errorSign": "✖",
+	"suggest.autoTrigger": "none",
+	"coc.preferences.formatOnSaveFiletypes": [],
+	"codeLens.enable": true,
+	"coc.preferences.formatOnSaveFiletypes": ["haskell"],
+	"coc.preferences.snippets.enable": true,
+	"languageserver": {
+		"golang": {
+			"command": "/Users/m.likhachev/go/bin/gopls",
+			"rootPatterns": ["go.mod", ".vim/", ".git/"],
+			"filetypes": ["go"],
+			"initializationOptions": {
+				"usePlaceholders": true
+			}
+		},
+		"bash": {
+			"command": "bash-language-server",
+			"args": ["start"],
+			"filetypes": ["sh"],
+			"ignoredRootPaths": ["~"]
+		},
+		"haskell": {
+			"command": "haskell-language-server-wrapper",
+			"args": ["--lsp", "--debug"],
+			"rootPatterns": ["*.cabal", "stack.yaml", "cabal.project", "package.yaml", "hie.yaml"],
+			"filetypes": ["haskell", "lhaskell"],
+			"settings": {
+				"languageServerHaskell": {
+					"hlintOn": true,
+					"maxNumberOfProblems": 10,
+					"completionSnippetsOn": true,
+					"formattingProvider": "none"
+				}
+			}
+		},
+		"python": {
+			"command": "pylsp",
+			"filetypes": ["python"],
+			"ignoredRootPaths": ["~"]
+		},
+		"terraform": {
+			"command": "terraform-ls",
+			"args": ["serve"],
+			//"command": "terraform-lsp",
+			"filetypes": [
+				"terraform",
+				"tf"
+			],
+			"initializationOptions": {},
+			"settings": {}
+		}
+	}
+}

etc/soft/nvim/vimrc

@@ -331,9 +331,9 @@ nmap <silent> ,/ :nohlsearch<CR>
 
 " Перемещение курсора в режиме вставки
 " imap <C-h> <left>
-imap <C-j> <down>
-imap <C-k> <up>
-imap <C-l> <right>
+" imap <C-j> <down>
+" imap <C-k> <up>
+" imap <C-l> <right>
 
 " Показ строк, содержащих слово под курсором
 nmap <Leader>g [I:let nr=input("> ")<Bar>exe "normal " . nr . "[\t"<CR>
@@ -626,7 +626,7 @@ let g:airline_whitespace_symbol = '∅'
 let g:airline_section_c = '%t%m%r%h%w'
 let g:airline_section_z = '%L:%03l,%03v %p%%'
 
-let g:airline_extensions = ['neomake', 'whitespace']
+let g:airline_extensions = ['neomake', 'whitespace', 'coc']
 
 " enable/disable fugitive/lawrencium integration
 let g:airline_enable_branch=1
@@ -655,6 +655,12 @@ let g:airline_theme='cool'
 " enable/disable usage of patched powerline font symbols
 let g:airline_powerline_fonts=0
 
+let g:airline#extensions#coc#enabled = 1
+let airline#extensions#coc#error_symbol = 'E:'
+let airline#extensions#coc#warning_symbol = 'W:'
+let airline#extensions#coc#stl_format_err = '%E{[%e(#%fe)]}'
+let airline#extensions#coc#stl_format_warn = '%W{[%w(#%fw)]}'
+
 " define the set of text to display for each mode.
 let g:airline_mode_map = { 'i': '+', 'n': ' ', 'v': '⇄', 'V': '⇄', '': '⇅', 'R': '✂', 'c': '#', 's': 'SELECT', '^S': 'S-BLOCK', 'S': 'S-LINE' }
 
@@ -761,8 +767,8 @@ let g:timestamp_rep = '%a %d %b %Y %H:%M:%S'
 
 "Pummode"{{{
 " Выбор вариантов дополнения курсорными клавишами
-call pummode#map('i', '', 0, 'j', '<C-n>')
-call pummode#map('i', '', 0, 'k', '<C-p>')
+call pummode#map('i', '', 1, "<C-j>", '<TAB>')
+call pummode#map('i', '', 1, "<C-k>", '<C-p>')
 call pummode#map('i', '', 0, '<CR>', '<C-y>')
 "}}}
 
@@ -799,6 +805,7 @@ let g:used_javascript_libs = 'jquery'
 " When writing a buffer (no delay).
 call neomake#configure#automake('w')
 " let g:neomake_open_list = 2
+let g:neomake_haskell_enabled_makers = ["hlint"]
 " }}}
 
 " nnn.vim {{{
@@ -885,8 +892,8 @@ let g:CheatSheetDefaultMode=0
 
 let g:CheatSheetFrameworks = {}
 
-imap <script> <silent> <C-O>
-	\ <ESC>:call cheat#cheat("", getcurpos()[1], getcurpos()[1], 0, 0, '!')<CR>
+" imap <script> <silent> <C-O>
+	" \ <ESC>:call cheat#cheat("", getcurpos()[1], getcurpos()[1], 0, 0, '!')<CR>
 
 " }}}
 
@@ -957,6 +964,71 @@ let g:committia_min_window_width = 80
 
 " }}}
 
+" Coc {{{
+let g:coc_node_path='~/.nvm/versions/node/v12.12.0/bin/node'
+
+let g:coc_suggest_disable = 1
+
+nnoremap <silent> K :call <SID>show_documentation()<CR>
+
+function! s:show_documentation()
+	if (index(['vim','help'], &filetype) >= 0)
+		execute 'h '.expand('<cword>')
+	else
+		call CocAction('doHover')
+	endif
+endfunction
+
+" Highlight the symbol and its references when holding the cursor.
+autocmd CursorHold * silent call CocActionAsync('highlight')
+
+" Introduce function text object
+" NOTE: Requires 'textDocument.documentSymbol' support from the language server.
+xmap if <Plug>(coc-funcobj-i)
+xmap af <Plug>(coc-funcobj-a)
+omap if <Plug>(coc-funcobj-i)
+omap af <Plug>(coc-funcobj-a)
+
+" 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)
+
+" Use tab for trigger completion with characters ahead and navigate.
+" NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
+" other plugin before putting this into your config.
+inoremap <silent><expr> <TAB>
+			\ pumvisible() ? "\<C-n>" :
+			\ <SID>check_back_space() ? "\<TAB>" :
+			\ coc#refresh()
+inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-X>\<C-O>"
+
+inoremap <silent><expr> <C-l>
+	\ pumvisible() ? coc#_select_confirm() :
+	\ coc#expandableOrJumpable() ? "\<C-r>=coc#rpc#request('doKeymap', ['snippets-expand-jump',''])\<CR>" :
+	\ <SID>check_back_space() ? "\<TAB>" :
+	\ coc#refresh()
+
+function! s:check_back_space() abort
+	let col = col('.') - 1
+	return !col || getline('.')[col - 1]  =~# '\s'
+endfunction
+
+" Use <C-l> for trigger snippet expand.
+" imap <C-l> <Plug>(coc-snippets-expand)
+
+" Use <C-j> for select text for visual placeholder of snippet.
+vmap <C-j> <Plug>(coc-snippets-select)
+
+" Use <C-j> for jump to next placeholder, it's default of coc.nvim
+let g:coc_snippet_next = '<c-j>'
+
+" Use <C-k> for jump to previous placeholder, it's default of coc.nvim
+let g:coc_snippet_prev = '<c-k>'
+
+" }}}
+
 " HaskellConcealPlus {{{
 
 " [ ] 'q' option to disable concealing of scientific constants (e.g. π)