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#!/usr/bin/env python
# ===----------------------------------------------------------------------===##
#
# 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
#
# ===----------------------------------------------------------------------===##
import argparse
import io
import libcxx.sym_check.extract
import libcxx.sym_check.util
import pprint
import sys
def OutputFile(file):
if isinstance(file, io.IOBase):
return file
assert isinstance(file, str), "Got object {} which is not a str".format(file)
return open(file, "w", newline="\n")
def main(argv):
parser = argparse.ArgumentParser(
description="Extract a list of symbols from a shared library."
)
parser.add_argument(
"library", metavar="LIB", type=str, help="The library to extract symbols from."
)
parser.add_argument(
"-o",
"--output",
dest="output",
type=OutputFile,
default=sys.stdout,
help="The output file to write the symbols to. It is overwritten if it already exists. "
"If no file is specified, the results are written to standard output.",
)
args = parser.parse_args(argv)
symbols = libcxx.sym_check.extract.extract_symbols(args.library)
symbols, _ = libcxx.sym_check.util.filter_stdlib_symbols(symbols)
lines = [pprint.pformat(sym, width=99999) for sym in symbols]
args.output.writelines("\n".join(sorted(lines)))
if __name__ == "__main__":
main(sys.argv[1:])
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