spot/bin/common_hoaread.cc
Alexandre Duret-Lutz 66bd5db0af bin: fix documentation of --trust-hoa
* bin/common_hoaread.cc: Here.  Reported by Juraj Major.
2019-12-06 12:48:30 +01:00

94 lines
2.8 KiB
C++

// -*- coding: utf-8 -*-
// Copyright (C) 2015, 2019 Laboratoire de Recherche et Développement
// de l'Epita (LRDE).
//
// This file is part of Spot, a model checking library.
//
// Spot 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 of the License, or
// (at your option) any later version.
//
// Spot 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 this program. If not, see <http://www.gnu.org/licenses/>.
#include "common_hoaread.hh"
#include "common_setup.hh"
#include "argmatch.h"
#include "error.h"
enum
{
OPT_TRUST_HOA = 1,
};
static const argp_option options[] =
{
{ "trust-hoa", OPT_TRUST_HOA, "BOOL", 0,
"If false, properties listed in HOA files are ignored, "
"unless they can be easily verified. If true (the default) "
"any supported property is trusted.", 1 },
{ nullptr, 0, nullptr, 0, nullptr, 0 }
};
spot::automaton_parser_options opt_parse;
spot::twa_graph_ptr
read_automaton(const char* filename, spot::bdd_dict_ptr& dict)
{
auto p = spot::parse_aut(filename, dict,
spot::default_environment::instance(),
opt_parse);
if (p->format_errors(std::cerr))
error(2, 0, "failed to read automaton from %s", filename);
if (p->aborted)
error(2, 0, "failed to read automaton from %s (--ABORT-- read)", filename);
return std::move(p->aut);
}
static bool parse_bool(const char* opt, const char* arg)
{
enum bool_type { bool_false, bool_true };
static char const *const bool_args[] =
{
"false", "no", "0",
"true", "yes", "1",
nullptr
};
static bool_type const bool_types[] =
{
bool_false, bool_false, bool_false,
bool_true, bool_true, bool_true,
};
ARGMATCH_VERIFY(bool_args, bool_types);
bool_type bt = XARGMATCH(opt, arg, bool_args, bool_types);
return bt == bool_true;
}
static int
parse_opt_hoaread(int key, char* arg, struct argp_state*)
{
// Called from C code, so should not raise any exception.
BEGIN_EXCEPTION_PROTECT;
// This switch is alphabetically-ordered.
switch (key)
{
case OPT_TRUST_HOA:
opt_parse.trust_hoa = parse_bool("--trust-hoa", arg);
break;
default:
return ARGP_ERR_UNKNOWN;
}
END_EXCEPTION_PROTECT;
return 0;
}
const struct argp hoaread_argp = { options, parse_opt_hoaread,
nullptr, nullptr, nullptr,
nullptr, nullptr };