Current File : //backups/router/usr/local/share/syslog-ng/tools/merge-grammar.py
#!/usr/local/bin/python3.11
#############################################################################
# Copyright (c) 2010-2017 Balabit
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# As an additional exemption you are allowed to compile & link against the
# OpenSSL libraries as published by the OpenSSL project. See the file
# COPYING for details.
#
#############################################################################
#
# TODOs:
# * be more clever about which rules to include as bison generates a lot of
# warnings about unused rules
#
from __future__ import print_function
import fileinput
import os
import sys
import codecs
grammar_file = os.path.join(os.environ.get('top_srcdir', ''), 'lib/cfg-grammar.y')
if not os.path.isfile(grammar_file):
grammar_file = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'cfg-grammar.y')
if not os.path.isfile(grammar_file):
sys.exit('Error opening cfg-grammar.y')
def print_to_stdout(line):
if sys.hexversion >= 0x3000000:
sys.stdout.buffer.write(line.encode("utf-8"))
else:
print(line.encode("utf-8"), end='')
def include_block(block_type):
start_marker = 'START_' + block_type
end_marker = 'END_' + block_type
with codecs.open(grammar_file, encoding="utf-8") as f:
in_block = False
for line in f:
if start_marker in line:
in_block = True
elif end_marker in line:
in_block = False
elif in_block:
print_to_stdout(line)
for line in fileinput.input(openhook=fileinput.hook_encoded("utf-8")):
if 'INCLUDE_DECLS' in line:
include_block('DECLS')
elif 'INCLUDE_RULES' in line:
include_block('RULES')
else:
print_to_stdout(line)
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