My mac vimrc

set modelines=0     " CVE-2007-2438

" Normally we use vim-extensions. If you want true vi-compatibility
" remove change the following statements
set nocompatible    " Use Vim defaults instead of 100% vi compatibility
set backspace=2     " more powerful backspacing

" Don't write backup file if vim is being called by "crontab -e"
au BufWrite /private/tmp/crontab.* set nowritebackup nobackup
" Don't write backup file if vim is being called by "chpass"
au BufWrite /private/etc/pw.* set nowritebackup nobackup

let skip_defaults_vim=1

:inoremap ( ()<ESC>i
:inoremap ) <c-r>=ClosePair(')')<CR>
:inoremap { {<CR>}<ESC>O
:inoremap } <c-r>=ClosePair('}')<CR>
:inoremap [ []<ESC>i
:inoremap ] <c-r>=ClosePair(']')<CR>
:inoremap " ""<ESC>i
:inoremap ' ''<ESC>i
function! ClosePair(char)
    if getline('.')[col('.') - 1] == a:char
        return "\<Right>"
    else
        return a:char
    endif
endfunction

set number
syntax on
set autoindent
set tabstop=4
set softtabstop=4
set shiftwidth=4

set smartindent

map <C-A> ggVGY     "映射全选 ctrl+A

vmap <C-C> "+y      "映射复制 ctrl+C

map <C-V> "+gP      "映射粘贴ctrl+V

set history=1000

set nobackup
set noswapfile
set noexpandtab
set noundofile

set guifont=Monaco:h12

if has("autocmd")
  au VimEnter,InsertLeave * silent execute '!echo -ne "\e[2 q"' | redraw!
  au InsertEnter,InsertChange *
    \ if v:insertmode == 'i' |
    \   silent execute '!echo -ne "\e[6 q"' | redraw! |
    \ elseif v:insertmode == 'r' |
    \   silent execute '!echo -ne "\e[4 q"' | redraw! |
    \ endif
  au VimLeave * silent execute '!echo -ne "\e[ q"' | redraw!
endif

set mouse=a

func! CompileGcc()
    exec "w"
    let compilecmd="!gcc "
    let compileflag="-o %< "
    if search("mpi\.h") != 0
        let compilecmd = "!mpicc "
    endif
    if search("glut\.h") != 0
        let compileflag .= " -lglut -lGLU -lGL "
    endif
    if search("cv\.h") != 0
        let compileflag .= " -lcv -lhighgui -lcvaux "
    endif
    if search("omp\.h") != 0
        let compileflag .= " -fopenmp "
    endif
    if search("math\.h") != 0
        let compileflag .= " -lm "
    endif
    exec compilecmd." % ".compileflag
endfunc
func! CompileGpp()
    exec "w"
    let compilecmd="!clang++ -O2 -Wall -Wextra"
    let compileflag="-o %<"
    if search("mpi\.h") != 0
        let compilecmd = "!mpic++ "
    endif
    if search("glut\.h") != 0
        let compileflag .= " -lglut -lGLU -lGL "
    endif
    if search("cv\.h") != 0
        let compileflag .= " -lcv -lhighgui -lcvaux "
    endif
    if search("omp\.h") != 0
        let compileflag .= " -fopenmp "
    endif
    if search("math\.h") != 0
        let compileflag .= " -lm "
    endif
    exec compilecmd." % ".compileflag
endfunc

func! RunPython()
        exec "!python %"
endfunc
func! CompileJava()
    exec "!javac %"
endfunc


func! CompileCode()
        exec "w"
        if &filetype == "cpp"
                exec "call CompileGpp()"
        elseif &filetype == "c"
                exec "call CompileGcc()"
        elseif &filetype == "python"
                exec "call RunPython()"
        elseif &filetype == "java"
                exec "call CompileJava()"
        endif
endfunc

func! RunResult()
        exec "w"
        if search("mpi\.h") != 0
            exec "!mpirun -np 4 ./%<"
        elseif &filetype == "cpp"
            exec "! ./%<"
        elseif &filetype == "c"
            exec "! ./%<"
        elseif &filetype == "python"
            exec "call RunPython"
        elseif &filetype == "java"
            exec "!java %<"
        endif
endfunc

map <F5> :call CompileCode()<CR>
imap <F5> <ESC>:call CompileCode()<CR>
vmap <F5> <ESC>:call CompileCode()<CR>

map <F6> :call RunResult()<CR>

call plug#begin()
Plug 'preservim/nerdtree'
Plug 'tomasiser/vim-code-dark'
Plug 'vim-airline/vim-airline'
Plug 'majutsushi/tagbar'
Plug 'mhinz/vim-startify'
Plug 'vim-airline/vim-airline-themes'
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'neoclide/coc-java'
Plug 'yggdroot/indentline'
call plug#end()
set laststatus=2
"let g:airline_powerline_fonts = 1
let g:airline#extensions#tabline#enabled = 1

colorscheme retrobox
map <silent> <F2> :NERDTreeToggle<CR>

autocmd BufNewFile *.cpp 0r ~/a.cpp

nmap <F8> :TagbarToggle<CR>
nmap <F3> :bnext<CR>

"indent line plugin
let g:indentLine_setConceal = 0
let g:indentLine_setColors = 1
let g:indentLine_char_list = ['|', '¦', '┆', '┊']

"COC extensions
set hidden
set updatetime=300
nmap <silent> [g <Plug>(coc-diagnostic-prev)
nmap <silent> ]g <Plug>(coc-diagnostic-next)

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)
inoremap <silent><expr> <cr> pumvisible() ? coc#_select_confirm()
                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"

augroup VIMRC
    au!
    au BufWritePost .vimrc so %
augroup END