用 Vim 搭建开发环境

call plug#begin('~/.vim/plugged') " 括号里面是插件目录
                                  " 只能在 plug#begin() 和 plug#end() 之间写安装插件的命令
Plug 'junegunn/vim-easy-align'    " 用户名/插件名，默认从 github 下载安装
Plug 'https://github.com/junegunn/vim-github-dashboard.git' " 从特定 URL 下载安装
call plug#end()

set runtimepath+=~/.vim/plugged/repos/github.com/Shougo/dein.vim " 将 dein.vim 添加到 runtimepath
                                                                 " 注意这是 Ex 命令，路径不要加引号
if dein#load_state('~/.vim/plugged')        " 参数是插件目录
    call dein#begin(general#plugin_dir)
    call dein#add('~/.vim/plugged/repos/github.com/Shougo/dein.vim')  " 安装 dein.vim
    call dein#add('junegunn/vim-easy-align') " 用户名/插件名，默认从 github 下载安装
    call dein#end()
    call dein#save_state()
endif

if dein#check_install() " 自动安装未安装的插件
    call dein#install()
endif

filetype plugin indent on
syntax on

" <Tab>选择补全候选
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
" gn 跳转到下一个错误，gN 跳转到上一个错误
nmap <silent> gN <Plug>(coc-diagnostic-prev)
nmap <silent> gn <Plug>(coc-diagnostic-next)

" gd 跳转到定义，gs 跳转到引用，gt 跳转到类型定义，gK 显示文档
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gs <Plug>(coc-references)
nmap <silent> gt <Plug>(coc-type-definition)
nnoremap <silent> gK :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

" <Leaderf>rv 改名，<Leaderf>rf 重构
nmap <leader>rv <Plug>(coc-rename)
nmap <Leader>rf <Plug>(coc-refactor)

" <C-f> 和 <C-b> 滚动悬浮窗口
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>"
autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')

{
    "languageserver": {
        "ccls": {
            "command": "ccls",
            "filetypes": ["c", "cc", "cpp", "c++"],
            "rootPatterns": [".ccls", "compile_commands.json", ".git/", ".root"],
            "initializationOptions": {
                "cache": {
                    "directory": ".cache/ccls"
                },
                "highlight": {"lsRanges": true }
            }
        }
    }
}

let g:coc_global_extensions` = ['coc-vimlsp', 'coc-rust-analyzer']

" This comands are defined for ccls(only supports C/C++)
command! -nargs=0 Derived :call CocLocations('ccls','$ccls/inheritance',{'derived':v:true})
command! -nargs=0 Base :call CocLocations('ccls','$ccls/inheritance')
command! -nargs=0 VarAll :call CocLocations('ccls','$ccls/vars')
command! -nargs=0 VarLocal :call CocLocations('ccls','$ccls/vars', {'kind': 1})
command! -nargs=0 VarArg :call CocLocations('ccls','$ccls/vars', {'kind': 4})
command! -nargs=0 MemberFunction :call CocLocations('ccls','$ccls/member', {'kind': 3})
command! -nargs=0 MemberType :call CocLocations('ccls','$ccls/member', {'kind': 2})
command! -nargs=0 MemberVar :call CocLocations('ccls','$ccls/member', {'kind': 4})
nmap <silent> gc :call CocLocations('ccls','$ccls/call')<CR>
nmap <silent> gC :call CocLocations('ccls','$ccls/call', {'callee': v:true})<CR>

" 将终端放到 tab 中
let g:asynctasks_term_pos = 'tab'
" 设置 quickfix 大小
let g:asyncrun_open = 10
" 设置项目根目录标志
" 实际上，许多插件都使用这种方法定位根目录，因此可以定一个变量 g:rootmarks，
" 将所有插件的根目录标志都设置为 g:rootmarks
let g:asyncrun_rootmarks = ['.compile_commands.json', '.ccls', '.git']

[project-build]
command = cmake --build _builds -- VERBOSE=1
cwd=$(VIM_ROOT)
notify=echo
save=2

[project-run]
command/linux=_builds/$(VIM_PRONAME)
command/win32=_builds\$(VIM_PRONAME).exe
cwd=$(VIM_ROOT)
output=terminal

[project-clean]
command/linux=rm -rf _builds
command/win32=rd/s/q _builds
notify=echo
cwd=$(VIM_ROOT)

[project-configure]
command/linux=cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=1 -DCMAKE_BUILD_TYPE=Debug -S. -B_builds && ln -sf _builds/compile_commands.json .
command/win32=cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=1 -DCMAKE_BUILD_TYPE=Debug -G "MinGW Makefiles" -S. -B_builds && copy _builds\compile_commands.json .
cwd=$(VIM_ROOT)
notify=echo
save=2

" 编辑全局 tasks.ini，随时优化工作流
command! TaskEdit exec 'vsp ' .. general#vimfiles .. '/tasks.ini'

" 由于 <Tab> 的码值和 <C-I> 相同，映射这些快捷键后 <C-I> 会变慢
nnoremap  <Tab>5 :AsyncTask file-build<cr>
nnoremap  <Tab>6 :AsyncTask file-run<cr>
nnoremap  <Tab>7 :AsyncTask project-configure<CR>
nnoremap  <Tab>8 :AsyncTask project-build<CR>
nnoremap  <Tab>9 :AsyncTask project-run<CR>
nnoremap  <Tab>0 :AsyncTask project-clean<CR>

[clang-tidy]
command=find . -type d -name '.cache' -prune -o -type d -name '_builds' -prune -o -name '*.cpp' -print | xargs clang-tidy -checks=level2 -p default/compile_commands.json
cwd=(VIM_ROOT)
notify=echo

[cloc]
command=cloc --exclude-dir=_builds,.* .
cwd=(VIM_ROOT)
notify=echo

lua <<EOF
require'nvim-treesitter.configs'.setup {
  ensure_installed = {'c', 'cpp', 'toml', 'json', 'lua', 'python', 'bash', 'rust'},
  highlight = {
    enable = true,
  }
}
-- integrate with rainbow
require "nvim-treesitter.highlight"
local hlmap = vim.treesitter.highlighter.hl_map
hlmap.error = nil
hlmap["punctuation.delimiter"] = "Delimiter"
hlmap["punctuation.bracket"] = nil
EOF

let g:Lf_PreviewResult = {
            \ 'File': 0,
            \ 'Buffer': 0,
            \ 'Mru': 0,
            \ 'Tag': 1,
            \ 'BufTag': 1,
            \ 'Function': 1,
            \ 'Line': 0,
            \ 'Colorscheme': 0,
            \ 'Rg': 1,
            \ 'Gtags': 1
            \}
let g:Lf_PreviewInPopup = 1                       " 在 popup 窗口中预览结果
let g:Lf_PreviewCode = 1                          " 预览代码
let g:Lf_RootMarkers = ['.root', 'compile_command.json', '.git'] "你的根目录标志
let g:Lf_WorkingDirectoryMode = 'A'              " 设置 LeaderF 工作目录为项目根目录，如果不在项目中，则为当前目录。
let g:Lf_ShortcutF = "<Leader>f"
let g:Lf_ShortcutB = "<Leader>bl"
nnoremap <silent><Leader>p :LeaderfFunctionAll<CR> " 搜索函数
nnoremap <silent><Leader>l :LeaderfBufTagAll<CR>   " 搜索缓冲区中的 tag
nnoremap <silent><Leader>d :LeaderfTag<CR>         " 搜索项目中的 tag
nnoremap <silent><leader>h :LeaderfHelp<CR>        " 搜索 vim help
nnoremap <Leader>rg :Leaderf rg<Space>             " 调用 ripgrep 查找字符串

function! s:lf_task_source(...)
    let rows = asynctasks#source(&columns * 48 / 100)
    let source = []
    for row in rows
        let name = row[0]
        let source += [name . '  ' . row[1] . '  : ' . row[2]]
    endfor
    return source
endfunction

function! s:lf_task_accept(line, arg)
    let pos = stridx(a:line, '<')
    if pos < 0
        return
    endif
    let name = strpart(a:line, 0, pos)
    let name = substitute(name, '^\s*\(.\{-}\)\s*$', '\1', '')
    if name != ''
        exec "AsyncTask " . name
    endif
endfunction

function! s:lf_task_digest(line, mode)
    let pos = stridx(a:line, '<')
    if pos < 0
        return [a:line, 0]
    endif
    let name = strpart(a:line, 0, pos)
    return [name, 0]
endfunction

function! s:lf_win_init(...)
    setlocal nonumber
    setlocal nowrap
endfunction

let g:Lf_Extensions = get(g:, 'Lf_Extensions', {})
let g:Lf_Extensions.task = {
            \ 'source': string(function('s:lf_task_source'))[10:-3],
            \ 'accept': string(function('s:lf_task_accept'))[10:-3],
            \ 'get_digest': string(function('s:lf_task_digest'))[10:-3],
            \ 'highlights_def': {
            \     'Lf_hl_funcScope': '^\S\+',
            \     'Lf_hl_funcDirname': '^\S\+\s*\zs<.*>\ze\s*:',
            \ },
            \ }
nnoremap <silent><leader>T :Leaderf task<CR> "<leader>T 模糊搜索任务

command! -bang -nargs=* -complete=file Make AsyncRun -program=make @ <args> " 异步 git push
" git-gutter
let g:gitgutter_map_keys = 0
nmap ghp <Plug>(GitGutterPreviewHunk) " 预览修改（diff）
nmap ghs <Plug>(GitGutterStageHunk)   " 暂存修改
nmap ghu <Plug>(GitGutterUndoHunk)    " 丢弃修改
nmap [c <Plug>(GitGutterPrevHunk)     " 上一处修改
nmap ]c <Plug>(GitGutterNextHunk)     " 下一处修改

nnoremap <Leader>bf :Autoformat<CR>

" Add spaces after comment delimiters by default
let g:NERDSpaceDelims = 1

" Align line-wise comment delimiters both sides
let g:NERDDefaultAlign = 'both'

" Allow commenting and inverting empty lines (useful when commenting a region)
let g:NERDCommentEmptyLines = 1

" Enable trimming of trailing whitespace when uncommenting
let g:NERDTrimTrailingWhitespace = 1

" Enable NERDCommenterToggle to check all selected lines is commented or not
let g:NERDToggleCheckAllLines = 1

" Usefull when comment argument
let g:NERDAllowAnyVisualDelims = 0
let g:NERDAltDelims_asm = 1

let g:NERDCreateDefaultMappings = 0

" It is impossible to determine execute mode in hooks. Thus, I wrap raw NERDComment()
" to pass mode infomation to hooks and create mappings manually.
"
" NERDCommenterAltDelims is not wrapped and it would execute hooks. So I
" delete variable g:NERDCommenter_mode in NERDCommenter_after() to disable
" hooks executed by NERDCommenterAltDelims
function! s:NERDCommenter_wrapper(mode, type) range
    let g:NERDCommenter_mode = a:mode
    execute a:firstline .. ','  .. a:lastline 'call NERDComment(' .. string(a:mode) .. ',' .. string(a:type) .. ')'
endfunction

" modes: a list of mode(n - normal, x - visual)
function! s:create_commenter_mapping(modes, map, type)
    for l:mode in split(a:modes, '\zs')
        execute l:mode .. 'noremap <silent> <Leader>' .. a:map .. ' :call <SID>NERDCommenter_wrapper(' .. string(l:mode) .. ', ' .. string(a:type) .. ')<CR>'
    endfor
endfunction

function! CreateCommenterMappings()
    " All mappings are equal to standard NERDCommenter mappings.
    call s:create_commenter_mapping('nx', 'cc', 'Comment')
    call s:create_commenter_mapping('nx', 'cu', 'Uncomment')
    call s:create_commenter_mapping('n', 'cA', 'Append')
    call s:create_commenter_mapping('nx', 'c<space>', 'Toggle')
    call s:create_commenter_mapping('nx', 'cm', 'Minimal')
    call s:create_commenter_mapping('nx', 'cn', 'Nested')
    call s:create_commenter_mapping('n', 'c$',  'ToEOL')
    call s:create_commenter_mapping('nx', 'ci', 'Invert')
    call s:create_commenter_mapping('nx', 'cs', 'Sexy')
    call s:create_commenter_mapping('nx', 'cy', 'Yank')
    call s:create_commenter_mapping('n', 'cA',  'Append')
    call s:create_commenter_mapping('nx', 'cl', 'AlignLeft')
    call s:create_commenter_mapping('nx', 'cb', 'AlignBoth')
    call s:create_commenter_mapping('nx', 'cu', 'Uncomment')
    call s:create_commenter_mapping('n', 'ca',  'AltDelims')
    nmap <leader>ca <plug>NERDCommenterAltDelims
endfunction

" NERDCommenter hooks
function! NERDCommenter_before()
    let g:nerdcommmenter_visual_flag = v:false
    if get(g:, 'NERDCommenter_mode', '') =~# '[vsx]'    " executed in visual mode
        let l:marklist = getmarklist('%')
        for l:mark in l:marklist
            if l:mark['mark'] =~ "'>"
                let g:nerdcommmenter_cursor = l:mark.pos
                let g:nerdcommmenter_visual_flag = v:true
                break
            endif
        endfor
    endif
endfunction

function! NERDCommenter_after()
    if g:nerdcommmenter_visual_flag
        call setpos('.', g:nerdcommmenter_cursor)
    endif
    let g:nerdcommmenter_visual_flag = v:false
    unlet! g:NERDCommenter_mode
endfunction