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# Partially stolen from https://bitbucket.org/mblum/libgp/src/2537ea7329ef/.ycm_extra_conf.py
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 = [
'-pipe',
'-std=c++11',
'-g',
'-O0',
'-DDEBUG',
'-c',
'-Wall',
'-pedantic',
'-Wextra',
'-Werror',
'-Wshadow',
'-Wpointer-arith',
'-Wcast-qual',
'-Wdelete-non-virtual-dtor',
'-Wredundant-decls',
'-fPIC',
'-x', 'c++',
'-I./alib2algo/src',
'-I./alib2algo_experimental/src',
'-I./alib2aux/src',
'-I./alib2cli/src',
'-I./alib2elgo/src',
'-I./alib2measurepp/src',
'-I./alib2raw/src',
'-I./alib2std/src',
'-I./alib2str/src',
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]
# 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 compilation_database_folder:
database = ycm_core.CompilationDatabase(compilation_database_folder)
else:
database = None
SOURCE_EXTENSIONS = ['.cpp', '.c', '.cxx']
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 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 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_)
else:
relative_to = DirectoryOfThisScript()
final_flags = MakeRelativePathsInFlagsAbsolute(flags, relative_to)
return {
'flags': final_flags,
'do_cache': True
}