# 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/>
 
import os
import ycm_core
 
# 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‘,
#‘-Wc++98-compat‘,
‘-Wno-long-long‘,
‘-Wno-variadic-macros‘,
‘-fexceptions‘,
‘-stdlib=libc++‘,
# THIS IS IMPORTANT! Without a "-std=<something>" 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
# a "-std=<something>".
# For a C project, you would set this to something like ‘c99‘ instead of
# ‘c++11‘.
‘-std=c++11‘,
# ...and the same thing goes for the magic -x option which specifies the
# language that the files to be compiled are written in. This is mostly
# relevant for c++ headers.
# For a C project, you would set this to ‘c‘ instead of ‘c++‘.
‘-x‘,
‘c++‘,
‘-I‘,
‘.‘,
‘-isystem‘,
‘/usr/include‘,
‘-isystem‘,
‘/usr/local/include‘,
‘-isystem‘,
‘/Library/Developer/CommandLineTools/usr/include‘,
‘-isystem‘,
‘/Library/Developer/CommandLineTools/usr/bin/../lib/c++/v1‘,
]
 
# 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
#
# 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 = ‘‘
 
if os.path.exists( 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 ):
  
# The compilation_commands.json file generated by CMake does not have entries
  
# for header files. So we do our best by asking the db for flags for a
  
# corresponding source file, if any. If one exists, the flags for that file
  
# should be good enough.
  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:
    
# Bear in mind that compilation_info.compiler_flags_ does NOT return a
    
# python list, but a "list-like" StringVec object
    compilation_info = GetCompilationInfoForFile( filename )
    if not compilation_info:
      return None
 
    final_flags = MakeRelativePathsInFlagsAbsolute(
      compilation_info.compiler_flags_,
      compilation_info.compiler_working_dir_ )
 
    
# 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:
    
#  pass
  else:
    relative_to = DirectoryOfThisScript()
    final_flags = MakeRelativePathsInFlagsAbsolute( flags, relative_to )
 
  return {
    ‘flags‘: final_flags,
    ‘do_cache‘: True
  }

Bundle ‘honza/vim-snippets‘

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""‘
"
"    YouCompleteMe 设置
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

let g:ycm_global_ycm_extra_conf = ‘~/.vim/.ycm_extra_conf.py‘
let g:ycm_confirm_extra_conf = 0

let g:ycm_collect_identifiers_from_tags_files = 1
"settags+=./.tags

nnoremap <leader>gl :YcmCompleter GoToDeclaration<CR>
nnoremap <leader>gf :YcmCompleter GoToDefinition<CR>
nnoremap <leader>gg :YcmCompleter GoToDefinitionElseDeclaration<CR>

let g:ycm_key_list_select_completion = [ ‘ <c-n> ‘, ‘ <Down> ‘] 
let g:ycm_key_list_previous_completion = [‘<c-p>‘, ‘<Up>‘]


"设置error和warning的提示符，如果没有设置，ycm会以syntastic的  
" g:syntastic_warning_symbol 和 g:syntastic_error_symbol 这两个为准  
let g:ycm_error_symbol=‘>>‘  
let g:ycm_warning_symbol=‘>*‘ 


let g:ycm_complete_in_comments = 1  "在注释输入中也能补全
let g:ycm_complete_in_strings = 1   "在字符串输入中也能补全

"每次重新生成匹配项，禁止缓存匹配项  
let g:ycm_cache_omnifunc=0  

"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=1  


let g:ycm_seed_identifiers_with_syntax=1   "语言关键字补全, 不过python关键字都很短，所以，需要的自己打开

" 直接触发自动补全 " 修改对C函数的补全快捷键，默认是CTRL + space，修改为ALT + ;  
let g:ycm_key_invoke_completion = ‘<M-c>‘

nnoremap <F5> :YcmForceCompileAndDiagnostics<CR>

set completeopt=menuone,longest
set pumheight=15

" 黑名单,不启用
let g:ycm_filetype_blacklist = {
      \ ‘tagbar‘ : 1,
      \ ‘gitcommit‘ : 1,
      \}
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""‘
"
"    UltiSnips 设置
" ultisnips内置了很多代码片段，并且支持自定义。
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""


" Snippets are separated from the engine. Add this if you want them:
"Plugin ‘honza/vim-snippets‘

" Trigger configuration. Do not use <tab> if you use https://github.com/Valloric/YouCompleteMe.
let g:UltiSnipsExpandTrigger="<tab>"
let g:UltiSnipsJumpForwardTrigger="<c-b>"
let g:UltiSnipsJumpBackwardTrigger="<c-z>"

" If you want :UltiSnipsEdit to split your window.
"let g:UltiSnipsEditSplit="vertical"


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""‘
"
"    syntastic 设置  用于语法检查
" syntastic 与 YouComleteMe 结合对语法 进行检查，并将警告和错误信息显示在行号那一栏的左侧。添加下面的命令安装 syntastic：
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
let g:syntastic_error_symbol=‘?‘
let g:syntastic_warning_symbol=‘?‘
let g:syntastic_enable_highlighting = 1
let g:syntastic_stl_format = ‘[%E{Err: %fe #%e}%B{, }%W{Warn: %fw #%w}]‘