neovim环境搭建

neovim环境搭建

安装新版本neovim

sudo apt install software-properties-common 
sudo apt update
sudo add-apt-repository ppa:neovim-ppa/stable
sudo apt install neovim 
nvim --version

创建nvim的配置文件

mkdir -p ~/.config/nvim/
nvim ~/.config/nvim/init.vim

安装Vim-Plug

sh -c 'curl -fLo "${XDG_DATA_HOME:-$HOME/.local/share}"/nvim/site/autoload/plug.vim --create-dirs \
       https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'

编辑init.vim文件，添加内容：

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

call plug#end()

在call begin和call end 之间加上插件就可以使用了,使用命令 :PlugInstall安装

安装vscode颜色主题

Plug 'cateduo/vsdark.nvim'

编辑init.vim文件，添加内容：

" ==== cateduo/vsdark.nvim ====
set termguicolors
let g:vsdark_style = "dark"
colorscheme vsdark

安装nerdtree

  Plug 'preservim/nerdtree'

编辑init.vim文件，添加内容：

" ==== preservim/nerdtree ====
let NERDTreeMinimalUI=1
let NERDTreeWinSize=20

nnoremap <C-e> :NERDTreeToggle<CR>

" Start NERDTree and put the cursor back in the other window.
"autocmd VimEnter * NERDTree | wincmd p
" Exit Vim if NERDTree is the only window remaining in the only tab.
autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif
" Close the tab if NERDTree is the only window remaining in it.
autocmd BufEnter * if winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif" Open the existing NERDTree on each new tab.
autocmd BufWinEnter * if getcmdwintype() == '' | silent NERDTreeMirror | endif

安装coc.nvim

  Plug 'neoclide/coc.nvim', {'branch': 'release'}

编辑init.vim文件，添加内容：

" ==== neoclide/coc.nvim ====
" coc extensions
let g:coc_global_extensions = [
      \ 'coc-json',
      \ 'coc-tsserver',
      \ 'coc-css',
      \ 'coc-html',
      \ 'coc-vimlsp',
      \ 'coc-cmake',
      \ 'coc-highlight',
      \ 'coc-pyright'
      \ ]

set signcolumn=number

" Use tab for trigger completion with characters ahead and navigate.
" NOTE: There's always complete item selected by default, you may want to enable
" no select by `"suggest.noselect": true` in your configuration file.
" 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>
      \ coc#pum#visible() ? coc#pum#next(1) :
      \ CheckBackspace() ? "\<Tab>" :
      \ coc#refresh()
inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"

" <CR> to comfirm selected candidate
" only when there's selected complete item
if exists('*complete_info')
"  inoremap <silent><expr> <CR> complete_info(['selected'])['selected'] != -1 ? "\<C-y>" : "\<C-g>u\<CR>"
inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"
endif

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

" highlight link CocHighlightText Visual
" autocmd CursorHold * silent call CocActionAsync('highlight')   " TODO

nmap <leader>rn <Plug>(coc-rename)
xmap <leader>f <Plug>(coc-format-selected)
command! -nargs=0 Format :call CocAction('format')

augroup mygroup
  autocmd!
  autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
  autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
augroup end

" diagnostic info
nnoremap <silent><nowait> <LEADER>d :CocList diagnostics<CR>
nmap <silent> <LEADER>- <Plug>(coc-diagnostic-prev)
nmap <silent> <LEADER>= <Plug>(coc-diagnostic-next)
nmap <LEADER>qf <Plug>(coc-fix-current)

" 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

" statusline support
" set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}  "TODO

" GoTo code navigation.
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gD :tab sp<CR><Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)

function! s:generate_compile_commands()
  if empty(glob('CMakeLists.txt'))
    echo "Can't find CMakeLists.txt"
    return
  endif
  if empty(glob('.vscode'))
    execute 'silent !mkdir .vscode'
  endif
  execute '!cmake -DCMAKE_BUILD_TYPE=debug
      \ -DCMAKE_EXPORT_COMPILE_COMMANDS=1 -S . -B .vscode'
endfunction
command! -nargs=0 Gcmake :call s:generate_compile_commands()

安装lsp依赖

• 安装pip

sudo apt install python3-pip
sudo apt install python3-venv
pip3 install jedi
pip3 install jedi-language-server

• 安装高版本node

sudo apt install -y nodejs npm 
sudo npm install n -g
sudo n stable

• 安装yarn

curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
sudo apt update
sudo apt install yarn

• 查看版本

node --version // v16.14.2, node版本需要大于12.0.0
npm --version // 8.5.0

• npm配置国内镜像

sudo npm config set registry https://registry.npm.taobao.org

配置neovim

mkdir -p  ~/.config/nvim
cd ~/.config/nvim
touch init.vim

• 设置en_US.UTF-8

sudo apt install -y locales
export LC_ALL=en_US.UTF-8
export LANG=en_US.UTF-8
sudo locale-gen en_US.UTF-8

• 编辑文档 /etc/default/locale

LANG=en_US.UTF-8
LC_ALL=en_US.UTF-8

安装ccls

  sudo apt install ccls

打开init.vim文件，输入命令：

CocConfig

• 添加如下配置：

{
  "languageserver": {
    "ccls": {
      "command": "ccls",
      "filetypes": [ "c", "cc", "cpp", "c++", "objc", "objcpp" ],
      "rootPatterns": [ "compile_commands.json", ".git/", ".hg/", ".vscode", ".vim/" ],
      "initializationOptions": {
        "highlight": {"lsRanges": true},
        "cache": {
          "directory": "/tmp/ccls"
        },
        "clang": {
          "resourceDir": "/usr/lib/clang/13.0.0"
        },
        "completion": {
          "detailedLable": true,
          "placeholder": true
        },
        "index": {
          "onChange": false,
          "initialNoLinkage": true,
          "threads": 2
        },
        "compilationDatabaseDirectory": ".vscode/"
      }
    }
  }
}

安装C/C++语法高亮

  Plug 'jackguo380/vim-lsp-cxx-highlight'

编辑init.vim文件，添加内容：

" ==== jackguo380/vim-lsp-cxx-highlight ====
hi default link LspCxxHlSymFunction cxxFunction
hi default link LspCxxHlSymFunctionParameter cxxParameter
hi default link LspCxxHlSymFileVariableStatic cxxFileVariableStatic
hi default link LspCxxHlSymStruct cxxStruct
hi default link LspCxxHlSymStructField cxxStructField
hi default link LspCxxHlSymFileTypeAlias cxxTypeAlias
hi default link LspCxxHlSymClassField cxxStructField
hi default link LspCxxHlSymEnum cxxEnum
hi default link LspCxxHlSymVariableExtern cxxFileVariableStatic
hi default link LspCxxHlSymVariable cxxVariable
hi default link LspCxxHlSymMacro cxxMacro
hi default link LspCxxHlSymEnumMember cxxEnumMember
hi default link LspCxxHlSymParameter cxxParameter
hi default link LspCxxHlSymClass cxxTypeAlias

安装文件搜索插件

Plug 'Yggdroot/LeaderF', { 'do': ':LeaderfInstallCExtension

打开init.vim文件，输入命令：

" ==== Yggdroot/LeaderF ====
let g:Lf_WindowPosition='right'
let g:Lf_PreviewInPopup=1
let g:Lf_CommandMap = {
\   '<C-p>': ['<C-k>'],
\   '<C-k>': ['<C-p>'],
\   '<C-j>': ['<C-n>']
\}
nmap <leader>f :Leaderf file<CR>
nmap <leader>b :Leaderf! buffer<CR>
nmap <leader>F :Leaderf rg<CR>
let g:Lf_DevIconsFont = "DroidSansMono Nerd Font Mono"