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#!/usr/bin/env python3
# Patch's predicate synthesizer
# Copyright (C) 2024 Nguyễn Gia Phong
#
# This file is part of taosc.
#
# Taosc is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Taosc 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with taosc. If not, see <https://www.gnu.org/licenses/>.
from argparse import ArgumentParser
from cProfile import run
from functools import partial
from pathlib import Path
from pacfix import learn
from pacfix.invariant import INVARIANT_MAP, InvariantType
from pacfix.utils import get_live_vars, get_valuations, parse_valuation
write = partial(print, end='')
def write_invariant(inv):
if inv.inv_type == InvariantType.VAR:
write('v')
write(inv.data)
elif inv.inv_type == InvariantType.CONST:
write('n' if inv.data < 0 else 'p')
write(abs(inv.data))
else:
write(INVARIANT_MAP[inv.inv_type])
write_invariant(inv.left)
write_invariant(inv.right)
arg_parser = ArgumentParser(prog='taosc-synth')
arg_parser.add_argument('input', help='input directory', type=Path)
arg_parser.add_argument('delta', help='PAC delta', type=float,
nargs='?', default=0.01)
args = arg_parser.parse_args()
with open(args.input / 'list') as f: live_vars = get_live_vars(f)
vals_neg, vals_pos = parse_valuation(get_valuations(args.input / 'neg'),
get_valuations(args.input / 'pos'))
result = learn(live_vars, vals_neg, vals_pos, args.delta)
for i in result.inv_mgr.invs:
write_invariant(i)
print()
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