text: # 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
  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',
  '-x',
  'c++',
  '-I.',
  '-Ilib/',
  '-DYCM_VERIFY_WRAPPER_IMPL',
  '-std=c++17',
  ]
  
  # 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 = ''
  
  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 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 not database:
      return {
        'flags': flags,
        'include_paths_relative_to_dir': DirectoryOfThisScript()
      }
  
    compilation_info = GetCompilationInfoForFile( filename )
    if not compilation_info:
      return None
  
    # 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:
      pass
  
    return {
      'flags': final_flags,
      'include_paths_relative_to_dir': compilation_info.compiler_working_dir_
    }
  