added coc.nvim config

1 files changed, 142 insertions, 0 deletions

diff --git a/init.vim b/init.vim
index 3f85faf..a3c1042 100644
--- a/init.vim
+++ b/init.vim
@@ -145,6 +145,8 @@ Plug 'junegunn/fzf.vim'
 " Undo Tree
 Plug 'mbbill/undotree'
 
+" COC
+Plug 'neoclide/coc.nvim', {'branch': 'release'}
 
 call plug#end()
 set re=0
@@ -265,6 +267,146 @@ function g:Undotree_CustomMap()
 	nmap <buffer> K 5<plug>UndotreeNextState
 	nmap <buffer> J 5<plug>UndotreePreviousState
 endfunc
+
+
+
+" ===
+" === coc.nvim
+" ===
+let g:coc_global_extensions = ['coc-json', 'coc-vimlsp']
+
+" TextEdit might fail if hidden is not set.
+set hidden
+
+" Some servers have issues with backup files, see #649.
+set nobackup
+set nowritebackup
+
+" Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
+" delays and poor user experience.
+set updatetime=100
+
+" Don't pass messages to |ins-completion-menu|.
+set shortmess+=c
+
+" 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-h>"
+
+function! s:check_back_space() abort
+  let col = col('.') - 1
+  return !col || getline('.')[col - 1]  =~# '\s'
+endfunction
+
+" Use <c-space> to trigger completion.
+inoremap <silent><expr> <c-space> coc#refresh()
+
+" Use <cr> to confirm completion, `<C-g>u` means break undo chain at current
+" position. Coc only does snippet and additional edit on confirm.
+" <cr> could be remapped by other vim plugin, try `:verbose imap <CR>`.
+inoremap <expr> <cr> complete_info()["selected"] != "-1" ? "\<C-y>" : "\<C-g>u\<CR>"
+nmap <silent> <LEADER>- <Plug>(coc-diagnostic-prev)
+nmap <silent> <LEADER>= <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)
+
+" Use <LEADER>h to show documentation in preview window.
+nnoremap <silent> <LEADER>h :call <SID>show_documentation()<CR>
+
+function! s:show_documentation()
+  if (index(['vim','help'], &filetype) >= 0)
+    execute 'h '.expand('<cword>')
+  else
+    call CocActionAsync('doHover')
+  endif
+endfunction
+
+" 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)
+
+augroup mygroup
+  autocmd!
+  " Setup formatexpr specified filetype(s).
+  autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
+  " Update signature help on jump placeholder.
+  autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
+augroup end
+
+" Remap for do codeAction of selected region
+function! s:cocActionsOpenFromSelected(type) abort
+  execute 'CocCommand actions.open ' . a:type
+endfunction
+xmap <silent> <leader>a :<C-u>execute 'CocCommand actions.open ' . visualmode()<CR>
+nmap <silent> <leader>a :<C-u>set operatorfunc=<SID>cocActionsOpenFromSelected<CR>g@
+
+" Remap keys for applying codeAction to the current buffer.
+nmap <leader>ac  <Plug>(coc-codeaction)
+" Apply AutoFix to problem on the current line.
+nmap <leader>qf  <Plug>(coc-fix-current)
+
+" Map function and class text objects
+" NOTE: Requires 'textDocument.documentSymbol' support from the language server.
+xmap if <Plug>(coc-funcobj-i)
+omap if <Plug>(coc-funcobj-i)
+xmap af <Plug>(coc-funcobj-a)
+omap af <Plug>(coc-funcobj-a)
+xmap ic <Plug>(coc-classobj-i)
+omap ic <Plug>(coc-classobj-i)
+xmap ac <Plug>(coc-classobj-a)
+omap ac <Plug>(coc-classobj-a)
+
+" Use CTRL-S for selections ranges.
+" Requires 'textDocument/selectionRange' support of language server.
+nmap <silent> <C-s> <Plug>(coc-range-select)
+xmap <silent> <C-s> <Plug>(coc-range-select)
+
+" Add `:Format` command to format current buffer.
+command! -nargs=0 Format :call CocAction('format')
+
+" Add `:Fold` command to fold current buffer.
+command! -nargs=? Fold :call     CocAction('fold', <f-args>)
+
+" Add `:OR` command for organize imports of the current buffer.
+command! -nargs=0 OR   :call     CocAction('runCommand', 'editor.action.organizeImport')
+
+" Add (Neo)Vim's native statusline support.
+" NOTE: Please see `:h coc-status` for integrations with external plugins that
+" provide custom statusline: lightline.vim, vim-airline.
+set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}
+
+" Mappings for CoCList
+" Show all diagnostics.
+nnoremap <silent><nowait> <space>a  :<C-u>CocList diagnostics<cr>
+" Manage extensions.
+nnoremap <silent><nowait> <space>e  :<C-u>CocList extensions<cr>
+" Show commands.
+nnoremap <silent><nowait> <space>c  :<C-u>CocList commands<cr>
+" Find symbol of current document.
+nnoremap <silent><nowait> <space>o  :<C-u>CocList outline<cr>
+" Search workspace symbols.
+nnoremap <silent><nowait> <space>s  :<C-u>CocList -I symbols<cr>
+" Do default action for next item.
+nnoremap <silent><nowait> <space>j  :<C-u>CocNext<CR>
+" Do default action for previous item.
+nnoremap <silent><nowait> <space>k  :<C-u>CocPrev<CR>
+" Resume latest coc list.
+nnoremap <silent><nowait> <space>p  :<C-u>CocListResume<CR>
 " ===================== End of Plugin Settings =====================