init.vim

init.vim

set runtimepath^=~/.nvim runtimepath+=~/.nvim/after
let &packpath = &runtimepath

"---- vim-plug setup  ----
if has('nvim')
  let vimplug_exists=expand('~/.config/nvim/autoload/plug.vim')
else
  let vimplug_exists=expand('~/.vim/autoload/plug.vim')
endif

if has('win32')&&!has('win64')
  let curl_exists=expand('C:\Windows\Sysnative\curl.exe')
else
  let curl_exists=expand('curl')
endif

if !filereadable(vimplug_exists)
  if !executable(curl_exists)
    echoerr "You have to install curl or first install vim-plug yourself!"
    execute "q!"
  endif
  echo "Installing Vim-Plug..."
  echo ""
  silent exec "!"curl_exists" -fLo " . shellescape(vimplug_exists) . " --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim"
  let g:not_finish_vimplug = "yes"

  autocmd VimEnter * PlugInstall
endif
"-------- end vim-plug setup ----

set nocompatible

call plug#begin('~/.nvim/plugged')

Plug 'tpope/vim-sensible'
Plug 'fatih/vim-go', { 'do': ':GoUpdateBinaries' }
Plug 'rust-lang/rust.vim'
Plug 'racer-rust/vim-racer'
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'
Plug 'neoclide/coc.nvim', {'branch': 'release'}


call plug#end()

" Automatically install missing plugins on startup
autocmd VimEnter *
  \  if len(filter(values(g:plugs), '!isdirectory(v:val.dir)'))
  \|   PlugInstall --sync | q
  \| endif

if has('termguicolors')
  set termguicolors
endif

" terminal
syntax enable
filetype plugin indent on

set nu rnu
set completeopt=menuone,noinsert,noselect
set shortmess+=c
set expandtab
set smartindent
set tabstop=4 softtabstop=4
set cmdheight=2
set signcolumn=yes
set hidden
set nobackup
set nowritebackup
set updatetime=300

vnoremap p "_dP

let g:coc_global_extensions = [
      \ 'coc-pyright',
      \ 'coc-go',
      \ 'coc-snippets',
      \ 'coc-marketplace',
      \ 'coc-prettier',
      \ 'coc-explorer',
      \ 'coc-highlight',
      \ 'coc-rls',
      \ 'coc-omni',
      \ 'coc-omnisharp',
      \ 'coc-tsserver',
      \ 'coc-json',
      \ 'coc-fzf-preview'
      \ ]
autocmd BufEnter * if (winnr("$") == 1 && &filetype == 'coc-explorer') | q | endif

" 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>`.
if exists('*complete_info')
  inoremap <expr> <cr> complete_info()["selected"] != "-1" ? "\<C-y>" : "\<C-g>u\<CR>"
else
  inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
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 <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')

" 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)

" 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 LS, ex: coc-tsserver
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>
" Explorer
nnoremap <silent><nowait> <space>e  :<C-u>CocCommand explorer<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>

" coc-snippets
" 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>'

" Use <C-j> for both expand and jump (make expand higher priority.)
imap <C-j> <Plug>(coc-snippets-expand-jump)