我的nvim 配置

coc-nvim 是一款支持 LSP 的插件,这个插件使 vim 具备了代码补全,语法检查,标签跳转等功能。
LSP 是一种协议,定义了编辑器和语言服务器的交互。而语言服务器可以通过这种交互为编辑器提供对应语言的功能,诸如:自动补全,跳转到定义,找到引用位置等
我得nvim只要基于coc-nvim来配套的。

nvim 及配置

需要先安装 nvim vim-plugin

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brew install neovim

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

以下是 .config/nvim/init.vim,复制后放在相同的路径,执行 PlugInstall 就完成安装了

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call plug#begin('~/.vim/plugged')
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'scrooloose/nerdcommenter'
Plug 'honza/vim-snippets'
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'
Plug 'antoinemadec/coc-fzf'
Plug 'fatih/vim-go'
Plug 'ntpeters/vim-better-whitespace'
Plug 'skywind3000/asynctasks.vim'
Plug 'skywind3000/asyncrun.vim'
Plug 'ptzz/lf.vim'
Plug 'voldikss/vim-floaterm'
Plug 'preservim/nerdtree'
Plug 'scrooloose/nerdcommenter'
Plug 'bfrg/vim-cpp-modern'
Plug 'junegunn/rainbow_parentheses.vim'
Plug 'tomasiser/vim-code-dark'
call plug#end()

let g:coc_py_pyenv_root = 'Your Python Env'
let g:coc_py_pyenv_virtulenv = 'Your Python Env'
let g:coc_global_extensions = [
\ 'coc-snippets',
\ 'coc-pyright',
\ 'coc-go',
\ 'coc-json',
\ 'coc-lists',
\ 'coc-cmake',
\ 'coc-sh',
\ 'coc-markdownlint',
\ 'coc-pairs',
\ 'coc-clangd',
\ 'coc-git',
\ 'coc-tsserver',
\ ]

" 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=300
let mapleader = ","

" Don't pass messages to |ins-completion-menu|.
set shortmess+=c

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

inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm() : "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"
inoremap <silent><expr> <C-x><C-z> coc#pum#visible() ? coc#pum#stop() : "\<C-x>\<C-z>"
" remap for complete to use tab and <cr>
inoremap <silent><expr> <TAB>
\ coc#pum#visible() ? coc#pum#next(1):
\ <SID>check_back_space() ? "\<Tab>" :
\ coc#refresh()
inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"
inoremap <silent><expr> <c-space> coc#refresh()

" 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)

"important
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)
nmap <silent> go <C-o>

" 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>')
elseif (coc#rpc#ready())
call CocActionAsync('doHover')
else
execute '!' . &keywordprg . " " . expand('<cword>')
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

" Add `:Format` command to format current buffer.
command! -nargs=0 Format :call CocAction('format')

" 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)


" 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

" mappings
nnoremap <silent><nowait> <space><space> :<C-u>CocFzfList<CR>
nnoremap <silent><nowait> <space>c :<C-u>CocFzfList commands<CR>
nnoremap <silent><nowait> <space>e :<C-u>CocFzfList extensions<CR>
nnoremap <silent><nowait> <space>l :<C-u>CocFzfList location<CR>
nnoremap <silent><nowait> <space>o :<C-u>CocFzfList outline<CR>
nnoremap <silent><nowait> <space>s :<C-u>CocCommand clangd.switchSourceHeader<CR>
nnoremap <silent><nowait> <space>j :<C-u>CocNext<CR>
nnoremap <silent><nowait> <space>k :<C-u>CocPrev<CR>
nnoremap <silent><nowait> <space>p :<C-u>CocFzfListResume<CR>

" Use <leader>x for convert visual selected code to snippet
xmap <leader>x <Plug>(coc-convert-snippet)

" fzf
let g:fzf_command_prefix = 'Fzf'
command! -bang -nargs=* FzfAg call fzf#vim#ag(<q-args>, '--word-regexp', fzf#vim#with_preview(), <bang>0)
"import
nnoremap <silent> <space>f :FzfFiles<CR>
"import
nnoremap <silent> <space>a :exe 'FzfAg '.expand('<cword>') <CR>
nnoremap <silent> <space>b :FzfBuffers <CR>


nmap <C-_> <leader>c<Space>
vmap <C-_> <leader>c<Space>

" vim-better-whitespace
let g:better_whitespace_enabled=1

" asynctasks
let g:asynctasks_term_pos = 'floaterm_reuse'
let g:asynctasks_term_rows = 10
let g:asynctasks_term_reuse = 1
let g:asynctasks_term_hidden = 1
noremap <silent><F5> :AsyncTask run<cr>
let g:asyncrun_rootmarks = ['.git', '.svn', '.root', '.project', '.hg']

let g:floaterm_keymap_toggle = '<F6>'
let g:floaterm_keymap_new = '<F7>'
let g:floaterm_keymap_next = '<F8>'
let g:floaterm_opener = 'edit'
hi Floaterm guibg=black
hi FloatermBorder guibg=orange guifg=cyan
autocmd TermOpen * setlocal nonumber norelativenumber
let g:floaterm_autoclose = 0

" vim-cpp-modern
let g:cpp_attributes_highlight = 1
let g:cpp_simple_highlight = 1

" clang-format
autocmd FileType bzl command! -nargs=0 Format :silent !buildifier %

" rainbow_parentheses
let g:rainbow#pairs = [['(', ')'], ['[', ']'], ['{', '}']]
augroup rainbow_lisp
autocmd!
autocmd FileType * RainbowParentheses
augroup END
" List of colors that you do not want. ANSI code or #RRGGBB
" let g:rainbow#blacklist = [233, 234]

" colorscheme
let g:codedark_term256=1
set t_ut=
colorscheme codedark

" coc popups highlight after colorscheme
hi CocSearch ctermfg=12 guifg=#18A3FF
hi CocMenuSel ctermbg=128 guibg=#13354A

" airline_theme
let g:airline_theme = 'codedark'
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#show_tabs = 1
let g:airline#extensions#tabline#buffer_nr_show = 1

" lf
let g:lf_width = 0.9
let g:lf_height = 0.8
let g:lf_command_override = 'export EDITOR="floaterm" && lf '
let g:lf_map_keys = 0
map <leader>lf :Lf<CR>

" nerdcommenter
let g:NERDSpaceDelims = 1
let g:NERDCompactSexyComs = 1
let g:NERDDefaultAlign = 'left'
let g:NERDAltDelims_c = 1
let g:NERDCommentEmptyLines = 1
let g:NERDTrimTrailingWhitespace = 1
let g:NERDToggleCheckAllLines = 1

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" nerdtree
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
nnoremap <leader>n :NERDTreeFocus<CR>
nnoremap <F3> :NERDTree<CR>
nnoremap <C-t> :NERDTreeToggle<CR>
nnoremap <C-f> :NERDTreeFind<CR>

nmap <C-j> <C-W>j
nmap <C-k> <C-W>k
nmap <C-h> <C-W>h
nmap <C-l> <C-W>l

" vim-cpp-modern
let g:cpp_no_cpp20 = 1

nnoremap <silent> <leader>cf :let @*=expand("%:p")<CR>

set encoding=UTF-8
"import 查看多个buffer
nnoremap gn :bnext<CR>
nnoremap gp :bprev<CR>
set number
set mouse=a
set smartindent
set autowrite
set shiftwidth=4
set tabstop=4
set expandtab
set incsearch
set hlsearch
set fileencodings=utf8,gbk
set wildmenu wildmode=full
set wildchar=<Tab> wildcharm=<C-Z>
set backspace=indent,eol,start
set clipboard+=unnamedplus

常用的快捷键

  • F3 出现当前目录树
  • Control+L 跳到右侧编辑区
  • Control+H 跳到左侧编辑区
  • Control+J 跳到下面面编辑区
  • Control+K 调到上面编辑区
  • gd 可以跳转到函数定义
  • go 可以跳回来
  • gr 可以查看所有用到这个单词的地方
  • gn 跳转到下一个Buffer
  • gp 跳转到上一个Buffer
  • F6 给出异步任务窗口执行,再按一次就静默执行
  • 空格+c coc 命令列表
  • 空格+o coc 单词搜索面板
  • 空格+s 切换到c++头文件
  • 空格+f 利用fzf 当前目录下搜索文件、
  • 空格+a 利用fzf 查看光标指定单词被多少文件使用到