gcc/contrib/check-params-in-docs.py

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#!/usr/bin/env python3
#
# Find missing and extra parameters in documentation compared to
# output of: gcc --help=params.
#
# This file is part of GCC.
#
# GCC is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 3, or (at your option) any later
# version.
#
# GCC is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>. */
#
#
#
import sys
import json
import argparse
from itertools import *
def get_param_tuple(line):
line = line.strip()
i = line.find(' ')
return (line[:i], line[i:].strip())
parser = argparse.ArgumentParser()
parser.add_argument('texi_file')
parser.add_argument('params_output')
args = parser.parse_args()
ignored = set(['logical-op-non-short-circuit'])
params = {}
for line in open(args.params_output).readlines():
if line.startswith(' '):
r = get_param_tuple(line)
params[r[0]] = r[1]
# Find section in .texi manual with parameters
texi = ([x.strip() for x in open(args.texi_file).readlines()])
texi = dropwhile(lambda x: not 'item --param' in x, texi)
texi = takewhile(lambda x: not '@node Instrumentation Options' in x, texi)
texi = list(texi)[1:]
token = '@item '
texi = [x[len(token):] for x in texi if x.startswith(token)]
sorted_texi = sorted(texi)
texi_set = set(texi) - ignored
params_set = set(params.keys()) - ignored
extra = texi_set - params_set
if len(extra):
print('Extra:')
print(extra)
missing = params_set - texi_set
if len(missing):
print('Missing:')
for m in missing:
print('@item ' + m)
print(params[m])
print()
if texi != sorted_texi:
print('WARNING: not sorted alphabetically!')