RetroArch/rarchdb/.ycm_extra_conf.py
2014-12-30 21:02:15 +01:00

116 lines
3.6 KiB
Python

import os
import ycm_core
# Defaults, if no database can be found.
defaultsc = [
'gcc',
'-Wno-long-long',
'-Wno-variadic-macros',
'-pthread'
'-std=c99',
]
defaultscpp = [
'c'
'-Wno-long-long',
'-Wno-variadic-macros',
'-pthread'
'-std=c99',
]
# Things that must be included.
entered_flags = ['-fdelayed-template-parsing']
#
def DirectoryOfThisScript():
return os.path.dirname( os.path.abspath( __file__ ) )
# Find all compilation databases in the build directory and load them.
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 FlagsForFile( filename ):
# Search through all parent directories for a directory named 'build'
databases = []
path_focus = os.path.dirname(filename)
while len(path_focus) > 1:
for f in os.listdir(path_focus):
compilation_database_folder = path_focus + "/" + f
for r,d,f in os.walk(compilation_database_folder):
for files in f:
if files == 'compile_commands.json':
databases += [ycm_core.CompilationDatabase( r )]
path_focus = os.path.dirname(os.path.dirname(path_focus))
# Use a header's source file database for completion.
filetype_flags = []
if filename.endswith(".h"):
for f in os.listdir(os.path.dirname(filename)):
if filename.replace(".h",".cpp").find(f) != -1:
filename = filename.replace(".h",".cpp")
break
if filename.replace(".h",".c").find(f) != -1:
filename = filename.replace(".h",".c")
break
elif filename.endswith(".hpp"):
for f in os.listdir(os.path.dirname(filename)):
if filename.replace(".hpp",".cpp").find(f) != -1:
filename = filename.replace(".hpp",".cpp")
break
# Get the compile commands
final_flags = []
# If possible, from the database.
if len(databases) > 0:
for database in databases:
compilation_info = database.GetCompilationInfoForFile( filename )
fromfile_flags = MakeRelativePathsInFlagsAbsolute(
compilation_info.compiler_flags_,
compilation_info.compiler_working_dir_ )
final_flags += fromfile_flags
# If not, set some sane defaults.
else:
relative_to = DirectoryOfThisScript()
final_flags += MakeRelativePathsInFlagsAbsolute( flags, relative_to )
if not final_flags:
if filename.endswith(".c"):
final_flags = defaultsc
elif filename.endswith(".cpp"):
final_flags = defaultscpp
# This allows header files to be parsed according to their parent source
final_flags = filetype_flags + final_flags
# For things that must be included regardless:
final_flags += entered_flags
return {
'flags': final_flags,
'do_cache': True
}