110 linhas
3.3 KiB
Python
110 linhas
3.3 KiB
Python
import os
|
|
import ycm_core
|
|
|
|
flags = [
|
|
'-Wall',
|
|
'-Wextra',
|
|
'-Werror',
|
|
'-x', 'c',
|
|
'-Iinclude',
|
|
]
|
|
|
|
# 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 = 'obj'
|
|
|
|
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
|
|
}
|