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#!/usr/bin/env python3
#===----------------------------------------------------------------------===##
#
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#
#===----------------------------------------------------------------------===##
"""
sym_match - Match all symbols in a list against a list of regexes.
"""
from argparse import ArgumentParser
import sys
from libcxx.sym_check import util, match, extract
def main():
parser = ArgumentParser(
description='Extract a list of symbols from a shared library.')
parser.add_argument(
'--blacklist', dest='blacklist',
type=str, action='store', default=None)
parser.add_argument(
'symbol_list', metavar='symbol_list', type=str,
help='The file containing the old symbol list')
parser.add_argument(
'regexes', metavar='regexes', default=[], nargs='*',
help='The file containing the new symbol list or a library')
args = parser.parse_args()
if not args.regexes and args.blacklist is None:
sys.stderr.write('Either a regex or a blacklist must be specified.\n')
sys.exit(1)
if args.blacklist:
search_list = util.read_blacklist(args.blacklist)
else:
search_list = args.regexes
symbol_list = util.extract_or_load(args.symbol_list)
matching_count, report = match.find_and_report_matching(
symbol_list, search_list)
sys.stdout.write(report)
if matching_count != 0:
print('%d matching symbols found...' % matching_count)
if __name__ == '__main__':
main()
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