.ycm_extra_conf.py

   1 # This file is NOT licensed under the GPLv3, which is the license for the rest
   2 # of Samba.
   3 #
   4 # Here's the license text for this file:
   5 #
   6 # This is free and unencumbered software released into the public domain.
   7 #
   8 # Anyone is free to copy, modify, publish, use, compile, sell, or
   9 # distribute this software, either in source code form or as a compiled
  10 # binary, for any purpose, commercial or non-commercial, and by any
  11 # means.
  12 #
  13 # In jurisdictions that recognize copyright laws, the author or authors
  14 # of this software dedicate any and all copyright interest in the
  15 # software to the public domain. We make this dedication for the benefit
  16 # of the public at large and to the detriment of our heirs and
  17 # successors. We intend this dedication to be an overt act of
  18 # relinquishment in perpetuity of all present and future rights to this
  19 # software under copyright law.
  20 #
  21 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  24 # IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  25 # OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  26 # ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  27 # OTHER DEALINGS IN THE SOFTWARE.
  28 #
  29 # For more information, please refer to <http://unlicense.org/>
  30
  31 import os
  32 import ycm_core
  33
  34 flags = [
  35     # This is a C project
  36     '-x', 'c',
  37     '-DDEBUG_PASSWORD',
  38     '-DDEVELOPER',
  39     '-DHAVE_CONFIG_H=1',
  40     '-DCONFIG_H_IS_FROM_SAMBA=1',
  41     '-DSTATIC_replace_MODULES=NULL',
  42     '-DSTATIC_replace_MODULES_PROTO=extern',
  43     '-D_GNU_SOURCE=1',
  44     '-D_POSIX_PTHREAD_SEMANTICS',
  45     '-D_REENTRANT',
  46     '-D_SAMBA_BUILD_=4',
  47     '-D_XOPEN_SOURCE_EXTENDED=1',
  48     '-DAD_DC_BUILD_IS_ENABLED=1',
  49     '-DHAVE_IPV6=1',
  50     '-I/usr/local/include',
  51     '-I.',
  52     '-Iinclude',
  53     '-Iinclude/public',
  54     '-Ilib',
  55     '-Ilib/replace',
  56     '-Isource3',
  57     '-Isource3/include',
  58     '-Isource3/lib',
  59     '-Isource4',
  60     '-Isource4/include',
  61     '-Isource4/lib',
  62     '-Ibin/default',
  63     '-Ibin/default/include',
  64     '-Ibin/default/include/public',
  65     '-Ibin/default/lib',
  66     '-Ibin/default/lib/replace',
  67     '-Ibin/default/source3',
  68     '-Ibin/default/source3/include',
  69     '-Ibin/default/source3/lib',
  70     '-Ibin/default/source4',
  71     '-Ibin/default/source4/include',
  72     '-Ibin/default/source4/lib',
  73     '-Wall',
  74     '-Wcast-align',
  75     '-Wcast-qual',
  76     '-Wdeclaration-after-statement',
  77     '-Werror',
  78     '-Werror-implicit-function-declaration',
  79     '-Werror=address',
  80     '-Werror=declaration-after-statement',
  81     '-Werror=format',
  82     '-Werror=format-security',
  83     '-Werror=pointer-arith',
  84     '-Werror=return-type',
  85     '-Werror=strict-prototypes',
  86     '-Werror=uninitialized',
  87     '-Werror=write-strings',
  88     '-Wformat-security',
  89     '-Wformat=2',
  90     '-Wmissing-prototypes',
  91     '-Wno-error=deprecated-declarations',
  92     '-Wno-error=tautological-compare',
  93     '-Wno-format-y2k',
  94     '-Wpointer-arith',
  95     '-Wreturn-type',
  96     '-Wshadow',
  97     '-Wstrict-prototypes',
  98     '-Wuninitialized',
  99     '-Wwrite-strings',
 100 ]
 101
 102
 103 # Set this to the absolute path to the folder (NOT the file!) containing the
 104 # compile_commands.json file to use that instead of 'flags'. See here for
 105 # more details: http://clang.llvm.org/docs/JSONCompilationDatabase.html
 106 #
 107 # You can get CMake to generate this file for you by adding:
 108 #   set( CMAKE_EXPORT_COMPILE_COMMANDS 1 )
 109 # to your CMakeLists.txt file.
 110 #
 111 # Most projects will NOT need to set this to anything; you can just change the
 112 # 'flags' list of compilation flags. Notice that YCM itself uses that approach.
 113 compilation_database_folder = ''
 114
 115 if os.path.exists( compilation_database_folder ):
 116   database = ycm_core.CompilationDatabase( compilation_database_folder )
 117 else:
 118   database = None
 119
 120 SOURCE_EXTENSIONS = [ '.C', '.cpp', '.cxx', '.cc', '.c', '.m', '.mm' ]
 121
 122 def DirectoryOfThisScript():
 123   return os.path.dirname( os.path.abspath( __file__ ) )
 124
 125
 126 def MakeRelativePathsInFlagsAbsolute( flags, working_directory ):
 127   if not working_directory:
 128     return list( flags )
 129   new_flags = []
 130   make_next_absolute = False
 131   path_flags = [ '-isystem', '-I', '-iquote', '--sysroot=' ]
 132   for flag in flags:
 133     new_flag = flag
 134
 135     if make_next_absolute:
 136       make_next_absolute = False
 137       if not flag.startswith( '/' ):
 138         new_flag = os.path.join( working_directory, flag )
 139
 140     for path_flag in path_flags:
 141       if flag == path_flag:
 142         make_next_absolute = True
 143         break
 144
 145       if flag.startswith( path_flag ):
 146         path = flag[ len( path_flag ): ]
 147         new_flag = path_flag + os.path.join( working_directory, path )
 148         break
 149
 150     if new_flag:
 151       new_flags.append( new_flag )
 152   return new_flags
 153
 154
 155 def IsHeaderFile( filename ):
 156   extension = os.path.splitext( filename )[ 1 ]
 157   return extension in [ '.H', '.h', '.hxx', '.hpp', '.hh' ]
 158
 159
 160 def GetCompilationInfoForFile( filename ):
 161   # The compilation_commands.json file generated by CMake does not have entries
 162   # for header files. So we do our best by asking the db for flags for a
 163   # corresponding source file, if any. If one exists, the flags for that file
 164   # should be good enough.
 165   if IsHeaderFile( filename ):
 166     basename = os.path.splitext( filename )[ 0 ]
 167     for extension in SOURCE_EXTENSIONS:
 168       replacement_file = basename + extension
 169       if os.path.exists( replacement_file ):
 170         compilation_info = database.GetCompilationInfoForFile(
 171           replacement_file )
 172         if compilation_info.compiler_flags_:
 173           return compilation_info
 174     return None
 175   return database.GetCompilationInfoForFile( filename )
 176
 177
 178 def FlagsForFile( filename, **kwargs ):
 179   if database:
 180     # Bear in mind that compilation_info.compiler_flags_ does NOT return a
 181     # python list, but a "list-like" StringVec object
 182     compilation_info = GetCompilationInfoForFile( filename )
 183     if not compilation_info:
 184       return None
 185
 186     final_flags = MakeRelativePathsInFlagsAbsolute(
 187       compilation_info.compiler_flags_,
 188       compilation_info.compiler_working_dir_ )
 189   else:
 190     relative_to = DirectoryOfThisScript()
 191     final_flags = MakeRelativePathsInFlagsAbsolute( flags, relative_to )
 192
 193   return {
 194     'flags': final_flags,
 195     'do_cache': True
 196   }