autfilt: introduce --acceptance-is
Fixes #288. * bin/autfilt.cc: Implement it. * spot/twa/acc.cc, spot/twa/acc.hh: Add acc_cond::is_generalized_streett, acc_cond::operator==, and acc_cond::operator!=. * tests/core/randaut.test: Add some tests. * NEWS: Mention it.
This commit is contained in:
Alexandre Duret-Lutz
parent
3334d37bb5
commit
62302b6046
5 changed files with 388 additions and 2 deletions
230
bin/autfilt.cc
230
bin/autfilt.cc
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@ -83,6 +83,7 @@ enum {
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OPT_ACC_SCCS = 256,
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OPT_ACC_SETS,
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OPT_ACCEPT_WORD,
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OPT_ACCEPTANCE_IS,
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OPT_AP_N,
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OPT_ARE_ISOMORPHIC,
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OPT_CLEAN_ACC,
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@ -174,6 +175,8 @@ static const argp_option options[] =
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{ "unused-ap", OPT_UNUSED_AP_N, "RANGE", 0,
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"match automata with a number of declared, but unused atomic "
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"propositions in RANGE", 0 },
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{ "acceptance-is", OPT_ACCEPTANCE_IS, "NAME|FORMULA", 0,
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"match automata with given accetance condition", 0 },
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{ "are-isomorphic", OPT_ARE_ISOMORPHIC, "FILENAME", 0,
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"keep automata that are isomorphic to the automaton in FILENAME", 0 },
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{ "isomorphic", 0, nullptr, OPTION_ALIAS | OPTION_HIDDEN, nullptr, 0 },
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@ -425,6 +428,99 @@ static gra_type const gra_types[] =
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};
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ARGMATCH_VERIFY(gra_args, gra_types);
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enum acc_type {
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ACC_Any = 0,
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ACC_Given,
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ACC_tt,
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ACC_ff,
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ACC_Buchi,
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ACC_GenBuchi,
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ACC_CoBuchi,
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ACC_GenCoBuchi,
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ACC_Rabin,
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ACC_Streett,
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ACC_GenRabin,
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ACC_GenStreett,
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ACC_RabinLike,
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ACC_StreettLike,
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ACC_Parity,
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ACC_ParityMin,
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ACC_ParityMax,
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ACC_ParityOdd,
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ACC_ParityEven,
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ACC_ParityMinOdd,
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ACC_ParityMaxOdd,
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ACC_ParityMinEven,
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ACC_ParityMaxEven,
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ACC_FinLess,
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};
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static acc_type opt_acceptance_is = ACC_Any;
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spot::acc_cond opt_acceptance_is_given;
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static char const *const acc_is_args[] =
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{
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"any",
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"t", "all",
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"f", "none",
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"Buchi", "Büchi",
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"generalized-Buchi", "generalized-Büchi",
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"genBuchi", "genBüchi", "gen-Buchi", "gen-Büchi",
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"coBuchi", "coBüchi", "co-Buchi", "co-Büchi",
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"generalized-coBuchi", "generalized-coBüchi",
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"generalized-co-Buchi", "generalized-co-Büchi",
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"gen-coBuchi", "gen-coBüchi",
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"gen-co-Buchi", "gen-co-Büchi",
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"gencoBuchi", "gencoBüchi",
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"Rabin",
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"Streett",
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"generalized-Rabin", "gen-Rabin", "genRabin",
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"generalized-Streett", "gen-Streett", "genStreett",
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"Streett-like",
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"Rabin-like",
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"parity",
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"parity min", "parity-min",
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"parity max", "parity-max",
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"parity odd", "parity-odd",
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"parity even", "parity-even",
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"parity min even", "parity-min-even",
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"parity min odd", "parity-min-odd",
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"parity max even", "parity-max-even",
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"parity max odd", "parity-max-odd",
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"Fin-less", "Finless",
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nullptr,
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};
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static acc_type const acc_is_types[] =
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{
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ACC_Any,
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ACC_tt, ACC_tt,
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ACC_ff, ACC_ff,
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ACC_Buchi, ACC_Buchi,
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ACC_GenBuchi, ACC_GenBuchi,
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ACC_GenBuchi, ACC_GenBuchi, ACC_GenBuchi, ACC_GenBuchi,
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ACC_CoBuchi, ACC_CoBuchi, ACC_CoBuchi, ACC_CoBuchi,
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ACC_GenCoBuchi, ACC_GenCoBuchi,
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ACC_GenCoBuchi, ACC_GenCoBuchi,
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ACC_GenCoBuchi, ACC_GenCoBuchi,
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ACC_GenCoBuchi, ACC_GenCoBuchi,
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ACC_GenCoBuchi, ACC_GenCoBuchi,
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ACC_Rabin,
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ACC_Streett,
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ACC_GenRabin, ACC_GenRabin, ACC_GenRabin,
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ACC_GenStreett, ACC_GenStreett, ACC_GenStreett,
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ACC_StreettLike,
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ACC_RabinLike,
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ACC_Parity,
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ACC_ParityMin, ACC_ParityMin,
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ACC_ParityMax, ACC_ParityMax,
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ACC_ParityOdd, ACC_ParityOdd,
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ACC_ParityEven, ACC_ParityEven,
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ACC_ParityMinEven, ACC_ParityMinEven,
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ACC_ParityMinOdd, ACC_ParityMinOdd,
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ACC_ParityMaxEven, ACC_ParityMaxEven,
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ACC_ParityMaxOdd, ACC_ParityMaxOdd,
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ACC_FinLess, ACC_FinLess,
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};
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ARGMATCH_VERIFY(acc_is_args, acc_is_types);
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enum gsa_type { GSA_NO = 0, GSA_SHARE_FIN = 1, GSA_UNIQUE_FIN = 2 };
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static gsa_type opt_gsa = GSA_NO;
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static char const *const gsa_args[] =
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@ -589,6 +685,45 @@ parse_opt(int key, char* arg, struct argp_state*)
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e.what());
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}
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break;
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case OPT_ACCEPTANCE_IS:
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{
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auto res = argmatch(arg, acc_is_args,
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(char const*) acc_is_types, sizeof(acc_type));
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if (res >= 0)
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opt_acceptance_is = acc_is_types[res];
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else
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{
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try
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{
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opt_acceptance_is_given =
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spot::acc_cond(spot::acc_cond::acc_code(arg));
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opt_acceptance_is = ACC_Given;
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}
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catch (const spot::parse_error& err)
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{
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std::cerr << program_name << ": failed to parse '" << arg
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<< ("' as an acceptance formula for "
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"--acceptance-is\n\t")
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<< err.what()
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<< ("\nIf you do not want to supply a formula, the "
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"following names are recognized:");
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acc_type last_val = ACC_Any;
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for (int i = 0; acc_is_args[i]; i++)
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if ((i == 0) || last_val != acc_is_types[i])
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{
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std::cerr << "\n - '" << acc_is_args[i] << '\'';
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last_val = acc_is_types[i];
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}
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else
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{
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std::cerr << ", '" << acc_is_args[i] << '"';
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}
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std::cerr << std::flush;
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exit(2);
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}
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}
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}
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break;
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case OPT_ARE_ISOMORPHIC:
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opt->are_isomorphic = read_automaton(arg, opt->dict);
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break;
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@ -976,6 +1111,97 @@ static int unused_ap(const spot::const_twa_graph_ptr& aut)
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namespace
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{
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static
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bool match_acceptance(spot::twa_graph_ptr aut)
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{
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auto& acc = aut->acc();
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switch (opt_acceptance_is)
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{
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case ACC_Any:
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return true;
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case ACC_Given:
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return acc == opt_acceptance_is_given;
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case ACC_tt:
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return acc.is_t();
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case ACC_ff:
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return acc.is_f();
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case ACC_Buchi:
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return acc.is_buchi();
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case ACC_GenBuchi:
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return acc.is_generalized_buchi();
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case ACC_CoBuchi:
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return acc.is_co_buchi();
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case ACC_GenCoBuchi:
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return acc.is_generalized_co_buchi();
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case ACC_Rabin:
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return acc.is_rabin() >= 0;
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case ACC_Streett:
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return acc.is_streett() >= 0;
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case ACC_GenRabin:
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{
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std::vector<unsigned> p;
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return acc.is_generalized_rabin(p);
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}
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case ACC_GenStreett:
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{
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std::vector<unsigned> p;
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return acc.is_generalized_streett(p);
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}
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case ACC_RabinLike:
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{
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std::vector<spot::acc_cond::rs_pair> p;
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return acc.is_rabin_like(p);
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}
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case ACC_StreettLike:
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{
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std::vector<spot::acc_cond::rs_pair> p;
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return acc.is_streett_like(p);
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}
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case ACC_Parity:
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case ACC_ParityMin:
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case ACC_ParityMax:
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case ACC_ParityOdd:
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case ACC_ParityEven:
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case ACC_ParityMinOdd:
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case ACC_ParityMaxOdd:
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case ACC_ParityMinEven:
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case ACC_ParityMaxEven:
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{
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bool max;
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bool odd;
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bool is_p = acc.is_parity(max, odd, true);
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if (!is_p)
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return false;
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switch (opt_acceptance_is)
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{
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case ACC_Parity:
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return true;
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case ACC_ParityMin:
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return !max;
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case ACC_ParityMax:
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return max;
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case ACC_ParityOdd:
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return odd;
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case ACC_ParityEven:
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return !odd;
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case ACC_ParityMinOdd:
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return !max && odd;
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case ACC_ParityMaxOdd:
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return max && odd;
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case ACC_ParityMinEven:
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return !max && !odd;
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case ACC_ParityMaxEven:
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return max && !odd;
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default:
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SPOT_UNREACHABLE();
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}
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}
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case ACC_FinLess:
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return !acc.uses_fin_acceptance();
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}
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SPOT_UNREACHABLE();
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}
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struct autfilt_processor: hoa_processor
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{
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@ -1045,6 +1271,10 @@ namespace
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matched &= !aut->is_existential();
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if (matched && opt_is_complete)
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matched &= is_complete(aut);
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if (matched && opt_acceptance_is)
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matched = match_acceptance(aut);
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if (matched && (opt_sccs_set | opt_art_sccs_set))
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{
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spot::scc_info si(aut);
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