-# 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/>
-
-import os
-import shlex
-import subprocess
-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',
-'-Wextra',
-'-Wshadow',
-#'-Werror',
-#'-Wc++98-compat',
-'-Wno-long-long',
-'-Wno-variadic-macros',
-'-fexceptions',
-'-DNDEBUG',
-# 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', '/usr/include',
-]
-
-# This function makes it easy to pull in additional flags from pkg-config
-def rospack():
- cmd = ['rospack', 'cflags-only-I']
- print subprocess.Popen('pwd')
- out = subprocess.Popen(cmd, shell=False, stdout=subprocess.PIPE).stdout
- line = out.readline()[:-1].split(" ")
- includes = []
- for include in line:
- includes += ['-I', include]
- return filter(lambda a: a != ' ', line)
-
-flags += rospack()
-
-# 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
-#
-# 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 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 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 database:
- # Bear in mind that compilation_info.compiler_flags_ does NOT return a
- # python list, but a "list-like" StringVec object
- compilation_info = GetCompilationInfoForFile( filename )
- if not compilation_info:
- return None
-
- 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% SURE YOU NEED IT.
- try:
- final_flags.remove( '-stdlib=libc++' )
- except ValueError:
- pass
- else:
- relative_to = DirectoryOfThisScript()
- final_flags = MakeRelativePathsInFlagsAbsolute( flags, relative_to )
-
- return {
- 'flags': final_flags,
- 'do_cache': True
- }
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