vim c++补全

$ cd ~/.vim/tags
$ ctags -R --c++-kinds=+p --fields=+iaS --extra=+q --language-force=C++ cpp_src
$ mv tags cpp

ctags -R --c++-kinds=+p --fields=+iaS --extra=+q --language-force=C++ /usr/include/GL
mv tags gl

" configure tags - add additional tags here or comment out not-used ones
set tags+=~/.vim/tags/cpp
set tags+=~/.vim/tags/gl
set tags+=~/.vim/tags/fl
" build tags of your own project with CTRL+F12
map <C-F12> :!ctags -R --c++-kinds=+p --fields=+iaS --extra=+q .<CR>

" OmniCppComplete
let OmniCpp_NamespaceSearch = 1
let OmniCpp_GlobalScopeSearch = 1
let OmniCpp_ShowAccess = 1
let OmniCpp_ShowPrototypeInAbbr = 1 " show function parameters
let OmniCpp_MayCompleteDot = 1 " autocomplete after .
let OmniCpp_MayCompleteArrow = 1 " autocomplete after ->
let OmniCpp_MayCompleteScope = 1 " autocomplete after ::
let OmniCpp_DefaultNamespaces = ["std", "_GLIBCXX_STD"]
" automatically open and close the popup menu / preview window
au CursorMovedI,InsertLeave * if pumvisible() == 0|silent! pclose|endif
set completeopt=menuone,menu,longest,preview

" mapping
inoremap <expr> <CR>       pumvisible()?"\<C-Y>":"\<CR>"
inoremap <expr> <C-J>      pumvisible()?"\<PageDown>\<C-N>\<C-P>":"\<C-X><C-O>"
inoremap <expr> <C-K>      pumvisible()?"\<PageUp>\<C-P>\<C-N>":"\<C-K>"
inoremap <expr> <C-U>      pumvisible()?"\<C-E>":"\<C-U>"