blob: 0fd92c670f580e9904f6c2cdfd8b601719480869 [file] [log] [blame]
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2020 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Prototype compiler wrapper.
Only tested with: gcc, g++, clang, clang++
Installation instructions:
1. Rename compiler from <compiler_name> to <compiler_name>.real
2. Create symlink from this script (, and name it
<compiler_name>. can live anywhere as long as it is
Reference page:
Design doc:
from __future__ import print_function
import os
import shlex
import sys
from binary_search_tool import bisect_driver
WRAPPED = '%s.real' % sys.argv[0]
BISECT_STAGE = os.environ.get('BISECT_STAGE')
DEFAULT_BISECT_DIR = os.path.expanduser('~/ANDROID_BISECT')
def ProcessArgFile(arg_file):
args = []
# Read in entire file at once and parse as if in shell
with open(arg_file, 'r', encoding='utf-8') as f:
return args
def Main(_):
if not os.path.islink(sys.argv[0]):
print("Compiler wrapper can't be called directly!")
return 1
execargs = [WRAPPED] + sys.argv[1:]
if BISECT_STAGE not in bisect_driver.VALID_MODES or '-o' not in execargs:
os.execv(WRAPPED, [WRAPPED] + sys.argv[1:])
# Handle @file argument syntax with compiler
for idx, _ in enumerate(execargs):
# @file can be nested in other @file arguments, use While to re-evaluate
# the first argument of the embedded file.
while execargs[idx][0] == '@':
args_in_file = ProcessArgFile(execargs[idx][1:])
execargs = execargs[0:idx] + args_in_file + execargs[idx + 1:]
bisect_driver.bisect_driver(BISECT_STAGE, BISECT_DIR, execargs)
if __name__ == '__main__':