ccls

介紹

ccls 是 language server

下載

GitHub - MaskRay/ccls: C/C++/ObjC language server supporting cross references, hierarchies, completion and semantic highlightingGitHub

簡易說明

安裝過程有點複雜，作者使用 homebrew 安裝過程比較簡單一點

$ brew install llvm 先安裝 llvm 裡面有內建 clangd 也是一個 language server

$ brew install ccls 再安裝 ccls

$ xcode-select --install mac os 如果找不到 stdio.h 標頭檔 就安裝 command line tools

:CocConfig 設定 coc

coc-settings.json

"languageserver": {
    "ccls": {
      "command": "ccls",
      "filetypes": ["c", "cpp", "objc", "objcpp"],
      "rootPatterns": [".ccls", "compile_commands.json", ".vim/", ".git/", ".hg/"],
      "initializationOptions": {
         "cache": {
           "directory": "/tmp/ccls"
         }
       }
    }
  }

設定 ale

.vimrc

let g:ale_cpp_ccls_init_options = {
\   'cache': {
\       'directory': '/tmp/ccls/cache'
\   }
\ }