hoa: add option to output implicit labels
Fixes #59. * src/tgbaalgos/hoa.cc: Add option i. * src/bin/common_aoutput.cc, src/bin/dstar2tgba.cc, src/tgbaalgos/hoa.hh: Document it. * src/tgbatest/hoaparse.test: Test it.
This commit is contained in:
Alexandre Duret-Lutz
parent
5749fe6f7c
commit
566118a5be
5 changed files with 220 additions and 45 deletions
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@ -49,15 +49,18 @@ namespace spot
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bool has_state_acc;
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bool is_complete;
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bool is_deterministic;
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bool use_implicit_labels;
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bdd all_ap;
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// Label support: the set of all conditions occurring in the
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// automaton.
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typedef std::map<bdd, std::string, bdd_less_than> sup_map;
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sup_map sup;
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metadata(const const_tgba_digraph_ptr& aut)
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metadata(const const_tgba_digraph_ptr& aut, bool implicit)
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{
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check_det_and_comp(aut);
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use_implicit_labels = implicit && is_deterministic && is_complete;
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number_all_ap();
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}
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@ -144,6 +147,7 @@ namespace spot
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bdd all = bddtrue;
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for (auto& i: sup)
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all &= bdd_support(i.first);
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all_ap = all;
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while (all != bddtrue)
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{
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@ -153,6 +157,9 @@ namespace spot
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vap.push_back(v);
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}
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if (use_implicit_labels)
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return;
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for (auto& i: sup)
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{
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bdd cond = i.first;
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@ -199,12 +206,10 @@ namespace spot
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i.second = s.str();
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}
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}
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};
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}
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enum hoa_alias { Hoa_Alias_None, Hoa_Alias_Ap, Hoa_Alias_Cond };
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enum hoa_acceptance
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{
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Hoa_Acceptance_States, /// state-based acceptance if
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@ -218,17 +223,40 @@ namespace spot
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static std::ostream&
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hoa_reachable(std::ostream& os,
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const const_tgba_digraph_ptr& aut,
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hoa_acceptance acceptance,
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hoa_alias alias,
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bool newline)
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const char* opt)
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{
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(void) alias;
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bool newline = true;
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hoa_acceptance acceptance = Hoa_Acceptance_States;
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bool implicit_labels = false;
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if (opt)
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while (*opt)
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{
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switch (*opt++)
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{
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case 'i':
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implicit_labels = true;
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break;
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case 'l':
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newline = false;
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break;
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case 'm':
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acceptance = Hoa_Acceptance_Mixed;
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break;
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case 's':
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acceptance = Hoa_Acceptance_States;
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break;
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case 't':
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acceptance = Hoa_Acceptance_Transitions;
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break;
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}
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}
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// Calling get_init_state_number() may add a state to empty
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// automata, so it has to be done first.
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unsigned init = aut->get_init_state_number();
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metadata md(aut);
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metadata md(aut, implicit_labels);
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if (acceptance == Hoa_Acceptance_States && !md.has_state_acc)
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acceptance = Hoa_Acceptance_Transitions;
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@ -240,9 +268,10 @@ namespace spot
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auto n = aut->get_named_prop<std::string>("automaton-name");
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if (n)
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escape_str(os << "name: \"", *n) << '"' << nl;
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unsigned nap = md.vap.size();
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os << "States: " << num_states << nl
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<< "Start: " << init << nl
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<< "AP: " << md.vap.size();
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<< "AP: " << nap;
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auto d = aut->get_dict();
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for (auto& i: md.vap)
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{
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@ -251,6 +280,7 @@ namespace spot
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escape_str(os << " \"", f->name()) << '"';
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}
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os << nl;
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unsigned num_acc = aut->acc().num_sets();
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if (aut->acc().is_generalized_buchi())
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{
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@ -265,7 +295,12 @@ namespace spot
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os << "Acceptance: " << num_acc << ' ';
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os << aut->acc().get_acceptance();
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os << nl;
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os << "properties: trans-labels explicit-labels";
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os << "properties:";
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implicit_labels = md.use_implicit_labels;
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if (implicit_labels)
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os << " implicit-labels";
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else
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os << " trans-labels explicit-labels";
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if (acceptance == Hoa_Acceptance_States)
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os << " state-acc";
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else if (acceptance == Hoa_Acceptance_Transitions)
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@ -275,6 +310,18 @@ namespace spot
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if (md.is_deterministic)
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os << " deterministic";
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os << nl;
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// If we want to output implicit labels, we have to
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// fill a vector with all destinations in order.
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std::vector<unsigned> out;
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std::vector<acc_cond::mark_t> outm;
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if (implicit_labels)
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{
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out.resize(1UL << nap);
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if (acceptance != Hoa_Acceptance_States)
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outm.resize(1UL << nap);
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}
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os << "--BODY--" << nl;
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auto sn = aut->get_named_prop<std::vector<std::string>>("state-names");
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for (unsigned i = 0; i < num_states; ++i)
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@ -299,12 +346,61 @@ namespace spot
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}
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os << nl;
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for (auto& t: aut->out(i))
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if (!implicit_labels)
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{
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os << '[' << md.sup[t.cond] << "] " << t.dst;
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if (this_acc == Hoa_Acceptance_Transitions)
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md.emit_acc(os, aut, t.acc);
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os << nl;
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for (auto& t: aut->out(i))
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{
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os << '[' << md.sup[t.cond] << "] " << t.dst;
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if (this_acc == Hoa_Acceptance_Transitions)
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md.emit_acc(os, aut, t.acc);
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os << nl;
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}
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}
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else
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{
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for (auto& t: aut->out(i))
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{
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bdd cond = t.cond;
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while (cond != bddfalse)
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{
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bdd one = bdd_satoneset(cond, md.all_ap, bddfalse);
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cond -= one;
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unsigned level = 1;
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unsigned pos = 0U;
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while (one != bddtrue)
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{
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bdd h = bdd_high(one);
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if (h == bddfalse)
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{
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one = bdd_low(one);
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}
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else
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{
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pos |= level;
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one = h;
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}
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level <<= 1;
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}
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out[pos] = t.dst;
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if (this_acc != Hoa_Acceptance_States)
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outm[pos] = t.acc;
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}
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}
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unsigned n = out.size();
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for (unsigned i = 0; i < n;)
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{
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os << out[i];
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if (this_acc != Hoa_Acceptance_States)
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{
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md.emit_acc(os, aut, outm[i]) << nl;
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++i;
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}
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else
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{
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++i;
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os << (((i & 15) && i < n) ? ' ' : nl);
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}
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}
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}
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}
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os << "--END--"; // No newline. Let the caller decide.
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@ -316,35 +412,12 @@ namespace spot
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const const_tgba_ptr& aut,
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const char* opt)
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{
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bool newline = true;
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hoa_acceptance acceptance = Hoa_Acceptance_States;
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hoa_alias alias = Hoa_Alias_None;
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if (opt)
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while (*opt)
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{
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switch (*opt++)
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{
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case 'l':
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newline = false;
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break;
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case 'm':
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acceptance = Hoa_Acceptance_Mixed;
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break;
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case 's':
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acceptance = Hoa_Acceptance_States;
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break;
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case 't':
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acceptance = Hoa_Acceptance_Transitions;
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break;
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}
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}
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auto a = std::dynamic_pointer_cast<const tgba_digraph>(aut);
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if (!a)
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a = make_tgba_digraph(aut, tgba::prop_set::all());
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return hoa_reachable(os, a, acceptance, alias, newline);
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return hoa_reachable(os, a, opt);
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}
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}
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@ -32,8 +32,10 @@ namespace spot
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/// \param os The output stream to print on.
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/// \param g The automaton to output.
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/// \param opt a set of characters each corresponding to a possible
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/// option: (s) state-based acceptance, (t) transition-based
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/// acceptance, (m) mixed acceptance, (l) single-line output.
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/// option: (i) implicit labels for complete and
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/// deterministic automata, (s) state-based acceptance, (t)
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/// transition-based acceptance, (m) mixed acceptance, (l)
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/// single-line output.
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SPOT_API std::ostream&
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hoa_reachable(std::ostream& os,
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const const_tgba_ptr& g,
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