.ycm_extra_conf.py

# This file is NOT licensed under the GPLv3, which is the license for the rest
# of YouCompleteMe.
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import os
import ycm_core

# CHANGE THIS LIST OF FLAGS. YES, THIS IS THE DROID YOU HAVE BEEN LOOKING FOR.
flags = [
# You 100% do NOT need -DUSE_CLANG_COMPLETER in your flags; only the YCM
# source code needs it.
'-DUSE_CLANG_COMPLETER',
# ...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++',
# 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++14',
'-I', './src', '-I', '/share',
'-Wall',
#'-Wextra',
'-Wno-missing-braces',
]

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' ]
  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 FlagsForFile (filename, **kwargs):
  relative_to = DirectoryOfThisScript ()
  final_flags = MakeRelativePathsInFlagsAbsolute (flags, relative_to)
  return { 'flags': final_flags }