# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import json
import os
import shlex
import subprocess
import sys
old_bytecode = sys.dont_write_bytecode
sys.dont_write_bytecode =
True
path = os.path.abspath(os.path.join(os.path.dirname(__file__),
"mach"))
# If mach is not here, we're on the objdir go to the srcdir.
if not os.path.exists(path):
with open(os.path.join(os.path.dirname(__file__),
"mozinfo.json"))
as info:
config = json.loads(info.read())
path = os.path.join(config[
"topsrcdir"],
"mach")
sys.dont_write_bytecode = old_bytecode
def _is_likely_cpp_header(filename):
if not filename.endswith(
".h"):
return False
if filename.endswith(
"Inlines.h")
or filename.endswith(
"-inl.h"):
return True
cpp_file = filename[:-1] +
"cpp"
return os.path.exists(cpp_file)
def Settings(**kwargs):
if kwargs[
"language"] ==
"cfamily":
return FlagsForFile(kwargs[
"filename"])
# This is useful for generic language server protocols, like rust-analyzer,
# to discover the right project root instead of guessing based on where the
# closest Cargo.toml is.
return {
"project_directory":
".",
}
def FlagsForFile(filename):
output = subprocess.check_output([path,
"compileflags", filename])
output = output.decode(
"utf-8")
flag_list = shlex.split(output)
# This flag is added by Fennec for android build and causes ycmd to fail to parse the file.
# Removing this flag is a workaround until ycmd starts to handle this flag properly.
# https://github.com/Valloric/YouCompleteMe/issues/1490
final_flags = [x
for x
in flag_list
if not x.startswith(
"-march=armv")]
if _is_likely_cpp_header(filename):
final_flags += [
"-x",
"c++"]
return {
"flags": final_flags,
"do_cache":
True}
if __name__ ==
"__main__":
print(FlagsForFile(sys.argv[1]))