.ycm_extra_conf.py

   1 import itertools
   2 import os
   3 import subprocess
   4
   5 def GetFlagsFromMakefile(varname):
   6   return subprocess.check_output([
   7       "make", "-s", "print-%s" % varname]).decode().split()
   8
   9
  10 def Flatten(lists):
  11   return list(itertools.chain.from_iterable(lists))
  12
  13
  14 def DirectoryOfThisScript():
  15   return os.path.dirname(os.path.abspath(__file__))
  16
  17
  18 def MakeRelativePathsInFlagsAbsolute(flags, working_directory):
  19   if not working_directory:
  20     return flags
  21   new_flags = []
  22   make_next_absolute = False
  23   path_flags = [ '-isystem', '-I', '-iquote', '--sysroot=' ]
  24   for flag in flags:
  25     new_flag = flag
  26
  27     if make_next_absolute:
  28       make_next_absolute = False
  29       if not flag.startswith('/'):
  30         new_flag = os.path.join(working_directory, flag)
  31
  32     for path_flag in path_flags:
  33       if flag == path_flag:
  34         make_next_absolute = True
  35         break
  36
  37       if flag.startswith(path_flag):
  38         path = flag[ len(path_flag): ]
  39         new_flag = path_flag + os.path.join(working_directory, path)
  40         break
  41
  42     if new_flag:
  43       new_flags.append(new_flag)
  44   return new_flags
  45
  46
  47 def FlagsForFile(filename):
  48   relative_to = DirectoryOfThisScript()
  49
  50   return {
  51     'flags': MakeRelativePathsInFlagsAbsolute(flags, relative_to),
  52     'do_cache': True
  53   }
  54
  55 flags = Flatten(map(GetFlagsFromMakefile, [
  56   'AM_CPPFLAGS',
  57   'CPPFLAGS',
  58   'AM_CFLAGS',
  59   'CFLAGS',
  60 ]))
  61
  62 # these flags cause crashes in libclang, so remove them
  63 flags.remove('-Wlogical-op')
  64 flags.remove('-Wsuggest-attribute=noreturn')
  65 flags.remove('-Wdate-time')
  66
  67 # vim: set et ts=2 sw=2: