Vim使用Vundle安装代码补全插件（YouCompleteMe）

Vim使用Vundle安装代码补全插件（YouCompleteMe）
安装 Vundle
它的使用方法很简单，安装一个插件只需要在 ~/.vimrc 按照规则中添加 Plugin 的名称，某些需要添加路径，之后在 Vim 中使用:PluginInstall既可以自动化安装。

1、先新建目录

mkdir ~/.vim/bundle/Vundle.vim
2、git 克隆 Vundle 工程到本地

git clone https://github.com/gmarik/Vundle.vim.git ~/.vim/bundle/Vundle.vim
3、修改 ~/.vimrc 配置 Plugins。在 ~/.vimrc 文件中添加如下内容并保存

Introduction:

Installation requires Git and triggers git clone for each configured repository to ~/.vim/bundle/ by default. Curl is required for search.

If you are using Windows, go directly to Windows setup. If you run into any issues, please consult the FAQ. See Tips for some advanced configurations.

Using non-POSIX shells, such as the popular Fish shell, requires additional setup. Please check the FAQ.

Set up Vundle:

git clone https://github.com/VundleVim/Vundle.vim.git ~/.vim/bundle/Vundle.vim

Configure Plugins:

Put this at the top of your .vimrc to use Vundle. Remove plugins you don't need, they are for illustration purposes.

set nocompatible              " be iMproved, required
filetype off                  " required" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
" alternatively, pass a path where Vundle should install plugins
"call vundle#begin('~/some/path/here')" let Vundle manage Vundle, required
Plugin 'VundleVim/Vundle.vim'" The following are examples of different formats supported.
" Keep Plugin commands between vundle#begin/end.
" plugin on GitHub repo
Plugin 'tpope/vim-fugitive'
" plugin from http://vim-scripts.org/vim/scripts.html
" Plugin 'L9'
" Git plugin not hosted on GitHub
Plugin 'git://git.wincent.com/command-t.git'
" git repos on your local machine (i.e. when working on your own plugin)
Plugin 'file:///home/gmarik/path/to/plugin'
" The sparkup vim script is in a subdirectory of this repo called vim.
" Pass the path to set the runtimepath properly.
Plugin 'rstacruz/sparkup', {'rtp': 'vim/'}
" Install L9 and avoid a Naming conflict if you've already installed a
" different version somewhere else.
" Plugin 'ascenator/L9', {'name': 'newL9'}" All of your Plugins must be added before the following line
call vundle#end()            " required
filetype plugin indent on    " required
" To ignore plugin indent changes, instead use:
"filetype plugin on
"
" Brief help
" :PluginList       - lists configured plugins
" :PluginInstall    - installs plugins; append `!` to update or just :PluginUpdate
" :PluginSearch foo - searches for foo; append `!` to refresh local cache
" :PluginClean      - confirms removal of unused plugins; append `!` to auto-approve removal
"
" see :h vundle for more details or wiki for FAQ
" Put your non-Plugin stuff after this line

Install Plugins:

Launch vim and run :PluginInstall

To install from command line: vim +PluginInstall +qall

(optional) For those using the fish shell: add set shell=/bin/bash to your .vimrc

4、进入 vim 运行命令

:PluginInstall
Vundle 命令
# 安装插件
:BundleInstall
# 更新插件
:BundleUpdate
# 清除不需要的插件
:BundleClean
# 列出当前的插件
:BundleList
# 搜索插件
:BundleSearch
注意
插件配置不要在 call vundle#end() 之前，不然插件无法生效
如果配置错误，需要重新配置后，在vim中运行命令 :PluginInstall

使用 Vundle 安装 YouCompleteMe
在 ~/.vimrc 中添加如下内容位置在call vundle#begin()和call vundle#end()之间

Bundle 'Valloric/YouCompleteMe'
在vim中运行以下命令就会自行安装，安装时间有点长，请耐心等待

:BundleInstall
安装完成后需要编译 YouCompleteMe
编译过程需要CMake，没有安装CMake可使用以下命令进行安装

sudo apt install cmake
然后切换到以下目录

cd ~/.vim/bundle/YouCompleteMe
最后输入以下命令即可（默认支持python）

./install.sh

不需要语义补全：

[cpp] view plain copy print?

cd ~/.vim/bundle/YouCompleteMe
./install.py

需要语义补全的：

[cpp] view plain copy print?

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

过程有点漫长，

配置 YouCompleteMe
在 ~/.vimrc 中添加配置

" 自动补全配置
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
inoremap <expr> <CR> pumvisible() ? "\<C-y>" : "\<CR>" "回车即选中当前项
"上下左右键的行为 会显示其他信息
inoremap <expr> <Down> pumvisible() ? "\<C-n>" : "\<Down>"
inoremap <expr> <Up> pumvisible() ? "\<C-p>" : "\<Up>"
inoremap <expr> <PageDown> pumvisible() ? "\<PageDown>\<C-p>\<C-n>" : "\<PageDown>"
inoremap <expr> <PageUp> pumvisible() ? "\<PageUp>\<C-p>\<C-n>" : "\<PageUp>""youcompleteme 默认tab s-tab 和自动补全冲突
"let g:ycm_key_list_select_completion=['<c-n>']
let g:ycm_key_list_select_completion = ['<Down>']
"let g:ycm_key_list_previous_completion=['<c-p>']
let g:ycm_key_list_previous_completion = ['<Up>']
let g:ycm_confirm_extra_conf=0 "关闭加载.ycm_extra_conf.py提示let g:ycm_collect_identifiers_from_tags_files=1 " 开启 YCM 基于标签引擎
let g:ycm_min_num_of_chars_for_completion=2 " 从第2个键入字符就开始罗列匹配项
let g:ycm_cache_omnifunc=0 " 禁止缓存匹配项,每次都重新生成匹配项
let g:ycm_seed_identifiers_with_syntax=1 " 语法关键字补全
nnoremap <F5> :YcmForceCompileAndDiagnostics<CR> "force recomile with syntastic
"nnoremap <leader>lo :lopen<CR> "open locationlist
"nnoremap <leader>lc :lclose<CR> "close locationlist
inoremap <leader><leader> <C-x><C-o>
"在注释输入中也能补全
let g:ycm_complete_in_comments = 1
"在字符串输入中也能补全
let g:ycm_complete_in_strings = 1
"注释和字符串中的文字也会被收入补全
let g:ycm_collect_identifiers_from_comments_and_strings = 0nnoremap <leader>jd :YcmCompleter GoToDefinitionElseDeclaration<CR> " 跳转到定义处

到此，YouCompleteMe 已安装成功。

YouCompleteMe启用

vim ~/.vim/bundle/YouCompleteMe/.ycm_extra_conf.py

 77 #Add your flags to this list.78 flags = [79         '-x',80         'c++',81         '-isystem',82         '/usr/include',83         '-isystem',84         '/usr/local/include',85         '-isystem',86         '/usr/include/c++/9',87         '-isystem',88         '/usr/include',89         '/usr/include/x86_64-linux-gnu/c++',90 ]91 92 #def FlagsForFile(filename):93 #    return {'flags': flags}94 95 def Settings( **kwargs ):96     return { 'flags': flags }

# This file is NOT licensed under the GPLv3, which is the license for the rest
# of YouCompleteMe.
#
# Here's the license text for this file:
#
# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
# For more information, please refer to <http://unlicense.org/>from distutils.sysconfig import get_python_inc
import platform
import os.path as p
import subprocessDIR_OF_THIS_SCRIPT = p.abspath( p.dirname( __file__ ) )
DIR_OF_THIRD_PARTY = p.join( DIR_OF_THIS_SCRIPT, 'third_party' )
DIR_OF_WATCHDOG_DEPS = p.join( DIR_OF_THIRD_PARTY, 'watchdog_deps' )
SOURCE_EXTENSIONS = [ '.cpp', '.cxx', '.cc', '.c', '.m', '.mm' ]database = None# These are the compilation flags that will be used in case there's no
# compilation database set (by default, one is not set).
# CHANGE THIS LIST OF FLAGS. YES, THIS IS THE DROID YOU HAVE BEEN LOOKING FOR.
flags = [
'-Wall',
'-Wextra',
'-Werror',
'-Wno-long-long',
'-Wno-variadic-macros',
'-fexceptions',
'-DNDEBUG',
# You 100% do NOT need -DUSE_CLANG_COMPLETER and/or -DYCM_EXPORT in your flags;
# only the YCM source code needs it.
'-DUSE_CLANG_COMPLETER',
'-DYCM_EXPORT=',
'-DYCM_ABSEIL_SUPPORTED',
# THIS IS IMPORTANT! Without the '-x' flag, Clang won't know which language to
# use when compiling headers. So it will guess. Badly. So C++ headers will be
# compiled as C headers. You don't want that so ALWAYS specify the '-x' flag.
# For a C project, you would set this to 'c' instead of 'c++'.
'-x',
'c++',
'-isystem',
'cpp/absl',
'-isystem',
'cpp/pybind11',
'-isystem',
'cpp/whereami',
'-isystem',
'cpp/BoostParts',
'-isystem',
get_python_inc(),
'-isystem',
'cpp/llvm/include',
'-isystem',
'cpp/llvm/tools/clang/include',
'-I',
'cpp/ycm',
'-I',
'cpp/ycm/ClangCompleter',
'-isystem',
'cpp/ycm/tests/gmock/googlemock/include',
'-isystem',
'cpp/ycm/tests/gmock/googletest/include',
'-isystem',
'cpp/ycm/benchmarks/benchmark/include',
'-std=c++17',#自己定义'-I','/home/mumu/Lars/base/mysql-connector-c/include','-I','/home/mumu/Lars/base/mysql-connector-c/include/mysql','-I','/home/mumu/Lars/base/mysql-connector-c/include/mysql/psi','-I','/home/mumu/Lars/base/proto','-I','/home/mumu/Lars/lars_dns/include','-I','/home/mumu/Lars/lars_reactor/example/qps_test','-I','/home/mumu/Lars/lars_reactor/include','-I','~/Lars/lars_reporter/include',]# Set this to the absolute path to the folder (NOT the file!) containing the
# compile_commands.json file to use that instead of 'flags'. See here for
# more details: http://clang.llvm.org/docs/JSONCompilationDatabase.html
#
# You can get CMake to generate this file for you by adding:
#   set( CMAKE_EXPORT_COMPILE_COMMANDS 1 )
# to your CMakeLists.txt file.
#
# Most projects will NOT need to set this to anything; you can just change the
# 'flags' list of compilation flags. Notice that YCM itself uses that approach.
compilation_database_folder = ''def IsHeaderFile( filename ):extension = p.splitext( filename )[ 1 ]return extension in [ '.h', '.hxx', '.hpp', '.hh' ]def FindCorrespondingSourceFile( filename ):if IsHeaderFile( filename ):basename = p.splitext( filename )[ 0 ]for extension in SOURCE_EXTENSIONS:replacement_file = basename + extensionif p.exists( replacement_file ):return replacement_filereturn filenamedef PathToPythonUsedDuringBuild():try:filepath = p.join( DIR_OF_THIS_SCRIPT, 'PYTHON_USED_DURING_BUILDING' )with open( filepath ) as f:return f.read().strip()except OSError:return Nonedef Settings( **kwargs ):# Do NOT import ycm_core at module scope.import ycm_coreglobal databaseif database is None and p.exists( compilation_database_folder ):database = ycm_core.CompilationDatabase( compilation_database_folder )language = kwargs[ 'language' ]if language == 'cfamily':# If the file is a header, try to find the corresponding source file and# retrieve its flags from the compilation database if using one. This is# necessary since compilation databases don't have entries for header files.# In addition, use this source file as the translation unit. This makes it# possible to jump from a declaration in the header file to its definition# in the corresponding source file.filename = FindCorrespondingSourceFile( kwargs[ 'filename' ] )if not database:return {'flags': flags,'include_paths_relative_to_dir': DIR_OF_THIS_SCRIPT,'override_filename': filename}compilation_info = database.GetCompilationInfoForFile( filename )if not compilation_info.compiler_flags_:return {}# Bear in mind that compilation_info.compiler_flags_ does NOT return a# python list, but a "list-like" StringVec object.final_flags = list( compilation_info.compiler_flags_ )# NOTE: This is just for YouCompleteMe; it's highly likely that your project# does NOT need to remove the stdlib flag. DO NOT USE THIS IN YOUR# ycm_extra_conf IF YOU'RE NOT 100% SURE YOU NEED IT.try:final_flags.remove( '-stdlib=libc++' )except ValueError:passreturn {'flags': final_flags,'include_paths_relative_to_dir': compilation_info.compiler_working_dir_,'override_filename': filename}if language == 'python':return {'interpreter_path': PathToPythonUsedDuringBuild()}return {}def PythonSysPath( **kwargs ):sys_path = kwargs[ 'sys_path' ]interpreter_path = kwargs[ 'interpreter_path' ]sys_path[ 0:0 ] = [ p.join( DIR_OF_THIS_SCRIPT ),p.join( DIR_OF_THIRD_PARTY, 'bottle' ),p.join( DIR_OF_THIRD_PARTY, 'regex-build' ),p.join( DIR_OF_THIRD_PARTY, 'frozendict' ),p.join( DIR_OF_THIRD_PARTY, 'jedi_deps', 'jedi' ),p.join( DIR_OF_THIRD_PARTY, 'jedi_deps', 'parso' ),p.join( DIR_OF_WATCHDOG_DEPS, 'watchdog', 'build', 'lib3' ),p.join( DIR_OF_WATCHDOG_DEPS, 'pathtools' ),p.join( DIR_OF_THIRD_PARTY, 'waitress' ) ]sys_path.append( p.join( DIR_OF_THIRD_PARTY, 'jedi_deps', 'numpydoc' ) )return sys_path

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