Ubuntu 安装YouCompleteMe

目录

• 材料

YCM git repo

https://github.com/Valloric/YouCompleteMe

YCM HomePage

https://valloric.github.io/YouCompleteMe/

Vundle git repo

https://github.com/VundleVim/Vundle.vim

材料

系统ubuntu18.04

补全语言C-family

vim --version 8.1

python3 -V 3.6

1，安装clang

ubuntu 系统没有预装clang，但是软件仓库有clang

这里采用命令行安装：

sudo apt install clang

安装完成后查看版本：

$ clang --version

clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)

Target: x86_64-pc-linux-gnu

Thread model: posix

InstalledDir: /usr/bin

2，安装YCM

使用Vundle安装

添加YCM插件名到vimrc中的Vundle插件安装区

'Valloric/YouCompleteMe'

Install Plugins:

Launch vim and run :PluginInstall

手动安装：

下载YCM

cd ~/.vim/bundle/
git clone https://github.com/Valloric/YouCompleteMe.git

下载YCM的依赖文件

git submodule update --init --recursive

3，编译YCM，支持 C-family languages:

cd ~/.vim/bundle/YouCompleteMe
python3 install.py --clang-completer

4，编辑vimrc

" ycm 指定 ycm_extra_conf.py
let g:ycm_global_ycm_extra_conf =  '~/.vim/bundle/YouCompleteMe/third_party/ycmd/.ycm_extra_conf.py'

" 禁用syntastic来对python检查 let g:syntastic_ignore_files=[".*\.py$"] " 使用ctags生成的tags文件
let g:ycm_collect_identifiers_from_tag_files = 1
" 开启语义补全 " 修改对C语言的补全快捷键，默认是CTRL+space，修改为ALT+;未测出效果
"let g:ycm_key_invoke_completion = '<M-;>' " 设置转到定义处的快捷键为ALT+G，未测出效果
"nmap <M-g> :YcmCompleter GoToDefinitionElseDeclaration <C-R>=expand("<cword>")<CR><CR> "关键字补全
"let g:ycm_seed_identifiers_with_syntax = 1 " 在接受补全后不分裂出一个窗口显示接受的项
set completeopt-=preview
" 让补全行为与一般的IDE一致 set completeopt=longest,menu " 不显示开启vim时检查ycm_extra_conf文件的信息
let g:ycm_confirm_extra_conf=0
" 每次重新生成匹配项，禁止缓存匹配项 let g:ycm_cache_omnifunc=0 " 在注释中也可以补全
let g:ycm_complete_in_comments=1
" 输入第一个字符就开始补全 let g:ycm_min_num_of_chars_for_completion=1 " 错误标识符
let g:ycm_error_symbol='>>'
" 警告标识符 let g:ycm_warning_symbol='>*' " 不查询ultisnips提供的代码模板补全，如果需要，设置成1即可
" let g:ycm_use_ultisnips_completer=0
let g:ycm_semantic_triggers = { 'c' : ['->', '.']}
"---------------------
"The g:ycm_key_list_select_completion option
"This option controls the key mappings used to select the first completion string. Invoking any of them repeatedly cycles forward through the completion list.

let g:ycm_key_list_select_completion = ['<Enter>', '<Down>']