93 lines
2.1 KiB
Python
93 lines
2.1 KiB
Python
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#!/usr/bin/env python3
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#
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# Copyright (c) 2023 Meta
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#
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# SPDX-License-Identifier: Apache-2.0
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import argparse
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import os
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import re
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def front_matter():
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return f'''
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/*
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* This file is generated by {__file__}
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*/
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#include <zephyr/posix/signal.h>
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'''
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def gen_strsignal_table(input, output):
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with open(input, 'r') as inf:
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highest_signo = 0
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symbols = []
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msgs = {}
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for line in inf.readlines():
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# Select items of the form below (note: SIGNO is numeric)
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# #define SYMBOL SIGNO /**< MSG */
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pat = r'^#define[\s]+(SIG[A-Z_]*)[\s]+([1-9][0-9]*)[\s]+/\*\*<[\s]+(.*)[\s]+\*/[\s]*$'
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match = re.match(pat, line)
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if not match:
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continue
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symbol = match[1]
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signo = int(match[2])
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msg = match[3]
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symbols.append(symbol)
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msgs[symbol] = msg
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highest_signo = max(int(signo), highest_signo)
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try:
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os.makedirs(os.path.dirname(output))
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except BaseException:
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# directory already present
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pass
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with open(output, 'w') as outf:
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print(front_matter(), file=outf)
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# Generate string table
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print(
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f'static const char *const strsignal_list[{highest_signo + 1}] = {{', file=outf)
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for symbol in symbols:
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print(f'\t[{symbol}] = "{msgs[symbol]}",', file=outf)
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print('};', file=outf)
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def parse_args():
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parser = argparse.ArgumentParser(allow_abbrev=False)
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parser.add_argument(
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'-i',
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'--input',
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dest='input',
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required=True,
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help='input file (e.g. include/zephyr/posix/signal.h)')
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parser.add_argument(
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'-o',
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'--output',
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dest='output',
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required=True,
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help='output file (e.g. build/zephyr/misc/generated/lib/posix/strsignal_table.h)')
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args = parser.parse_args()
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return args
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def main():
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args = parse_args()
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gen_strsignal_table(args.input, args.output)
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if __name__ == '__main__':
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main()
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