安装时间可以拿来睡个午觉
sudo apt-get install build-essential cmake
sudo apt-get install python-dev
cd ~/.vim/bundle/
git clone https://github.com/Valloric/YouCompleteMe.git
cd YouCompleteMe/
// 获取 YCM 的依赖包
git submodule update --init --recursive
cd ~/.vim/bundle/YouCompleteMe
./install.py --clang-completer
// ./install.py --gocode-completer // 对 golang的支持
其中的--clang-completer表示开启对C系列语言的支持。
此外它还支持Go、JavaScript等,编译选项分别为:--gocode-completer、--tern-completer。
或者使用--all开启全部的选项。
.vimrc 中增加如下配置
" 菜单配色
highlight Pmenu ctermfg=2 ctermbg=3 guifg=#005f87 guibg=#EEE8D5
" 选中项配色
highlight PmenuSel ctermfg=2 ctermbg=3 guifg=#AFD700 guibg=#106900
"设置跳转的快捷键,可以跳转到definition和declaration
" nnoremap <leader>gc :YcmCompleter GoToDeclaration<CR>
" nnoremap <leader>gf :YcmCompleter GoToDefinition<CR>
nnoremap <leader>gg :vertical split<bar>YcmCompleter GoToDefinitionElseDeclaration<CR>
nnoremap <leader>ss :split<bar>YcmCompleter GoToDefinitionElseDeclaration<CR>
nnoremap <leader>jd :YcmCompleter GoToDefinitionElseDeclaration<CR>
nnoremap <leader>gp :YcmCompleter GoToImprecise<CR>
nnoremap <leader>gl :YcmCompleter GoToInclude<CR>
nnoremap <leader>gt :YcmCompleter GetType<CR>
nnoremap <leader>lo :lopen<CR>
"nmap <F4> :YcmDiags<CR>
// 设置文件类型白名单
let g:ycm_filetype_whitelist = {
\ "c":1,
\ "cpp":1,
\ "go":1,
\ "h":1,
\ "cc":1,
\ "sh":1,
\ "zsh":1,
\}
" 加上下面这句, ycm 才能打开不带后缀名的 C++ 标准库文件
autocmd BufEnter * if &filetype == "" | setlocal ft=cpp | endif
" 补全功能在注释中同样有效
let g:ycm_complete_in_comments=1
" 允许 vim 加载 .ycm_extra_conf.py 文件,不再提示
let g:ycm_confirm_extra_conf=0
let g:ycm_global_ycm_extra_conf='~/.vim/bundle/YouCompleteMe/third_party/ycmd/cpp/ycm/.ycm_extra_conf.py'
" 开启 YCM 标签补全引擎
"let g:ycm_collect_identifiers_from_tags_files=1
" 引入 C++ 标准库tags
" set tags+=/data/misc/software/misc./vim/stdcpp.tags
" YCM 集成 OmniCppComplete 补全引擎,设置其快捷键
inoremap <leader>; <C-x><C-o>
" 补全内容不以分割子窗口形式出现,只显示补全列表
"set completeopt-=preview
set completeopt=longest,menu "让Vim的补全菜单行为与一般IDE一致(参考VimTip1228)
autocmd InsertLeave * if pumvisible() == 0|pclose|endif"离开插入模式后自动关闭预览窗口
" 从第2个键入字符就开始罗列匹配项
let g:ycm_min_num_of_chars_for_completion=2
" 禁止缓存匹配项,每次都重新生成匹配项
let g:ycm_cache_omnifunc=0
" 语法关键字补全
let g:ycm_seed_identifiers_with_syntax=1
"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
"在写golang代码时, VIM 中其他地方映射了回车键;所以下面这条配置只针对 C/C++
au FileType c, cpp inoremap <expr> <CR> pumvisible() ? "\<C-y>" : "\<CR>" "回车即选中当前项
let g:ycm_show_diagnostics_ui = 0 " 关闭ycm的syntastic
"let g:syntastic_cpp_compiler='g++' "change the compiler to g++ to support c++11.
let g:syntastic_cpp_compiler='clang++' "change the compiler to clang to support c++11.
let g:syntastic_cpp_compiler_options = '-std=c++11 -stdlib=libc++' "set the options of g++( clang ) to suport c++11.
在工程目录下新建一个文件 .ycm_extra_conf.py, 里面最重要的参数就是 '-I' 和 ‘-isystem’ 下面指定的头文件所在的目录
内容如下
import os
import ycm_core
flags = [
'-Wall',
'-Wextra',
# '-Werror',
'-Wno-long-long',
'-Wno-variadic-macros',
'-fexceptions',
'-DNDEBUG',
'-Weverything',
'-Wno-deprecated-declarations',
'-Wno-disabled-macro-expansion',
'-DUSE_CLANG_COMPLETER',
'-Wno-float-equal',
'-Wno-c++98-compat',
'-Wno-c++98-compat-pedantic',
'-Wno-global-constructors',
'-Wno-exit-time-destructors',
'-Wno-missing-prototypes',
'-Wno-padded',
'-Wno-old-style-cast',
'-std=c++11',
'-stdlib=libc++',
'-x',
'c++',
'-I',
'.',
'-isystem',
'/usr/include/c++/v1/',
'-isystem',
'/usr/include/',
'-isystem',
'/usr/local/include',
'-isystem',
'/usr/include/x86_64-linux-gnu',
'-isystem',
'/usr/include/x86_64-linux-gnu/bits'
]
compilation_database_folder = ''
if compilation_database_folder:
database = ycm_core.CompilationDatabase( compilation_database_folder )
else:
database = None
SOURCE_EXTENSIONS = [ '.cpp', '.cxx', '.cc', '.c', '.m', '.mm' ]
def DirectoryOfThisScript():
return os.path.dirname( os.path.abspath( __file__ ) )
def MakeRelativePathsInFlagsAbsolute( flags, working_directory ):
if not working_directory:
return list( flags )
new_flags = []
make_next_absolute = False
path_flags = [ '-isystem', '-I', '-iquote', '--sysroot=' ]
for flag in flags:
new_flag = flag
if make_next_absolute:
make_next_absolute = False
if not flag.startswith( '/' ):
new_flag = os.path.join( working_directory, flag )
for path_flag in path_flags:
if flag == path_flag:
make_next_absolute = True
break
if flag.startswith( path_flag ):
path = flag[ len( path_flag ): ]
new_flag = path_flag + os.path.join( working_directory, path )
break
if new_flag:
new_flags.append( new_flag )
return new_flags
def IsHeaderFile( filename ):
extension = os.path.splitext( filename )[ 1 ]
return extension in [ '.h', '.hxx', '.hpp', '.hh' ]
def GetCompilationInfoForFile( filename ):
if IsHeaderFile( filename ):
basename = os.path.splitext( filename )[ 0 ]
for extension in SOURCE_EXTENSIONS:
replacement_file = basename + extension
if os.path.exists( replacement_file ):
compilation_info = database.GetCompilationInfoForFile( replacement_file )
if compilation_info.compiler_flags_:
return compilation_info
return None
return database.GetCompilationInfoForFile( filename )
def FlagsForFile( filename, **kwargs ):
if database:
compilation_info = GetCompilationInfoForFile( filename )
if not compilation_info:
return None
final_flags = MakeRelativePathsInFlagsAbsolute(
compilation_info.compiler_flags_,
compilation_info.compiler_working_dir_ )
else:
relative_to = DirectoryOfThisScript()
final_flags = MakeRelativePathsInFlagsAbsolute( flags, relative_to )
return {
'flags': final_flags,
'do_cache': True
}