curl -fLo ~/.vim/autoload/plug.vim --create-dirs \
    https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim

vim ~/.vimrc

call plug#begin()
Plug 'neoclide/coc.nvim'
Plug 'asins/vimcdoc'
Plug 'preservim/nerdtree'
Plug 'mhinz/vim-startify'
Plug 'luochen1990/rainbow'
 
call plug#end()

sudo add-apt-repository ppa:jonathonf/vim

sudo apt-get update

sudo apt-get install vim

sudo apt update
sudo apt install nodejs npm
sudo curl -sL https://deb.nodesource.com/setup_14.x | sudo -E bash -
sudo apt install nodejs

call plug#bing()
 Plug 'neoclide/coc.nvim', {'branch': 'release'}  
call plug#end()

// be careful not to condense the hierarchy as it breaks pyls
"languageserver": {
  "python": {
    "command": "python",
    "args": [
      "-mpyls",
      "-vv",
      "--log-file",
      "/tmp/lsp_python.log"
    ],
    "trace.server": "verbose",
    "filetypes": [
      "python"
    ],
    "settings": {
      "pyls": {
        "enable": true,
        "trace": {
          "server": "verbose"
        },
        "commandPath": "",
        "configurationSources": [
          "pycodestyle"
        ],
        "plugins": {
          "jedi_completion": {
            "enabled": true
          },
          "jedi_hover": {
            "enabled": true
          },
          "jedi_references": {
            "enabled": true
          },
          "jedi_signature_help": {
            "enabled": true
          },
          "jedi_symbols": {
            "enabled": true,
            "all_scopes": true
          },
          "mccabe": {
            "enabled": true,
            "threshold": 15
          },
          "preload": {
            "enabled": true
          },
          "pycodestyle": {
            "enabled": true
          },
          "pydocstyle": {
            "enabled": false,
            "match": "(?!test_).*\\.py",
            "matchDir": "[^\\.].*"
          },
          "pyflakes": {
            "enabled": true
          },
          "rope_completion": {
            "enabled": true
          },
          "yapf": {
            "enabled": true
          }
        }
      }
    }
  }
}

set nobackup
set nowritebackup
set updatetime=300
set signcolumn=yes
inoremap <silent><expr> <TAB>
      \ coc#pum#visible() ? coc#pum#next(1):
      \ CheckBackspace() ? "\<Tab>" :
      \ coc#refresh()
inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"

inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"

function! CheckBackspace() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~# '\s'
endfunction

" Use <c-space> to trigger completion.
if has('nvim')
  inoremap <silent><expr> <c-space> coc#refresh()
else
  inoremap <silent><expr> <c-@> coc#refresh()
endif

" Use `[g` and `]g` to navigate diagnostics
" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
nmap <silent> [g <Plug>(coc-diagnostic-prev)
nmap <silent> ]g <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 K to show documentation in preview window.
nnoremap <silent> K :call ShowDocumentation()<CR>

function! ShowDocumentation()
  if CocAction('hasProvider', 'hover')
    call CocActionAsync('doHover')
  else
    call feedkeys('K', 'in')
  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

" Applying codeAction to the selected region.
" Example: `<leader>aap` for current paragraph
xmap <leader>a  <Plug>(coc-codeaction-selected)
nmap <leader>a  <Plug>(coc-codeaction-selected)

" 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)

" Run the Code Lens action on the current line.
nmap <leader>cl  <Plug>(coc-codelens-action)

" 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)

" Remap <C-f> and <C-b> for scroll float windows/popups.
if has('nvim-0.4.0') || has('patch-8.2.0750')
  nnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
  nnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
  inoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(1)\<cr>" : "\<Right>"
  inoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(0)\<cr>" : "\<Left>"
  vnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
  vnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
endif

" 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 CocActionAsync('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     CocActionAsync('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>

"一鍵運行代碼

map <F5> :call CompileRunGcc()<CR>
    func! CompileRunGcc()
        exec "w"
if &filetype == 'c'
            exec "!g++ % -o %<"
            exec "!time ./%<"
elseif &filetype == 'cpp'
            exec "!g++ % -o %<"
            exec "!time ./%<"
elseif &filetype == 'java'
            exec "!javac %"
            exec "!time java %<"
elseif &filetype == 'sh'
            :!time bash %
elseif &filetype == 'python'
            exec "!time python3 %"
elseif &filetype == 'html'
            exec "!firefox % &"
elseif &filetype == 'go'
    "        exec "!go build %<"
            exec "!time go run %"
elseif &filetype == 'mkd'
            exec "!~/.vim/markdown.pl % > %.html &"
            exec "!firefox %.html &"
endif
    endfunc