Created
July 10, 2014 15:10
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ycm conf for apue2
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import os | |
import ycm_core | |
from clang_helpers import PrepareClangFlags | |
# 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 = '' | |
# These are the compilation flags that will be used in case there's no | |
# compilation database set. | |
flags = [ | |
'-Wall', | |
# '-std=c++11', | |
# '-stdlib=libc++', | |
# '-x', | |
# 'c++', | |
'-I', | |
'/Users/caorong/Documents/apue/apue.2e/include', | |
'/Users/caorong/Documents/apue/apue.2e/lib/libapue.a' | |
# '.', | |
# '-isystem', | |
# '/usr/lib/c++/v1' | |
] | |
# 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. | |
if 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 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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