# Copyright 2017 syzkaller project authors. All rights reserved.
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# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
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'''
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This scripts takes as input a list of header files and generates metadata
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files to make syzkaller device descriptions.
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'''
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import argparse
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import logging
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import sys
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import traceback
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from headerlib.header_preprocessor import HeaderFilePreprocessorException
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from headerlib.container import GlobalHierarchy
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def main():
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"""
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python parser.py --filename=A.h,B.h
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"""
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parser = argparse.ArgumentParser(description='Parse header files to output fuzzer'
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'struct metadata.')
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parser.add_argument('--filenames',
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help='comma-separated header filenames',
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dest='filenames',
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required=True)
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parser.add_argument('--debug',
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help='print debug-information at every level of parsing',
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action='store_true')
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parser.add_argument('--include',
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help='include the specified file as the first line of the processed header files',
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required=False,
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const='',
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nargs='?')
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args = parser.parse_args()
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loglvl = logging.INFO
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if args.debug:
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loglvl = logging.DEBUG
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include_lines = ''
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if args.include:
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include_lines = open(args.include, 'r').read()
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try:
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gh = GlobalHierarchy(filenames=args.filenames.split(','),
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loglvl=loglvl, include_lines=include_lines)
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except HeaderFilePreprocessorException as e:
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excdata = traceback.format_exc().splitlines()
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logging.error(excdata[-1])
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sys.exit(-1)
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print gh.get_metadata_structs()
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if __name__ == '__main__':
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main()
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