.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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# This is free and unencumbered software released into the public domain.
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import os
import inspect
import ycm_core
import re

# 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',
#'-DNDEBUG',
#'-DUSE_CLANG_COMPLETER',
# 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++',
#'-isystem',
#'../BoostParts',
#'-isystem',
# This path will only work on OS X, but extra paths that don't exist are not
# harmful
#'/System/Library/Frameworks/Python.framework/Headers',
#'-isystem',
#'../llvm/include',
#'-isystem',
#'../llvm/tools/clang/include',
'-I',
'./minerva',
'-isystem',
'/usr/local/cuda/include',
'-isystem',
'./release/third_party/include',
'-DHAS_CUDA'
]

# 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:https://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 compilation_database_folder:
  database = ycm_core.CompilationDatabase(compilation_database_folder)
else:
  database = None


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 FlagsForFile(filename):
  if database:
    # Bear in mind that compilation_info.compiler_flags_ does NOT return a
    # python list, but a "list-like" StringVec object
    compilation_info = database.GetCompilationInfoForFile(filename)
    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% YOU NEED IT.
    #try:
      #final_flags.remove( '-stdlib=libc++' )
    #except ValueError:
      #pass
  else:
    config_file_path = os.path.join(os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe()))), 'configure.in')
    with open(config_file_path) as config_file:
      for line in config_file.readlines():
        if line.find('CUDNN_ROOT') >= 0:
          ex_in_path_list = re.sub(r'(^")|("$)', '', line.split('=')[-1]).replace(r'$(pwd)/', '').split(';')
          for ex_in_path in ex_in_path_list:
              if (len(ex_in_path)):
                flags.append('-I')
                flags.append(ex_in_path.strip())
    relative_to = DirectoryOfThisScript()
    final_flags = MakeRelativePathsInFlagsAbsolute(flags, relative_to)

  return {
    'flags': final_flags,
    'do_cache': True
  }