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ltl2aa: implem closure

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This commit is contained in:
Antoine Martin 2022-09-06 16:31:17 +02:00
parent 4153ce0655
commit 58965475fb
1 changed files with 38 additions and 3 deletions
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41
spot/twaalgos/translate_aa.cc
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@ -71,6 +71,35 @@ namespace spot
aut_->new_edge(init_state, dst, e.cond, acc);
}
unsigned copy_sere_aut_to_res(twa_graph_ptr sere_aut)
{
std::map<unsigned, unsigned> old_to_new;
auto register_state = [&](unsigned st) -> unsigned {
auto p = old_to_new.emplace(st, 0);
if (p.second)
{
unsigned new_st = aut_->new_state();
p.first->second = new_st;
}
return p.first->second;
};
unsigned ns = sere_aut->num_states();
for (unsigned st = 0; st < ns; ++st)
{
unsigned new_st = register_state(st);
for (const auto& e : sere_aut->out(st))
{
if (sere_aut->state_is_accepting(e.dst))
aut_->new_edge(new_st, accepting_sink_, e.cond);
else
aut_->new_edge(new_st, register_state(e.dst), e.cond);
}
}
return register_state(sere_aut->get_init_state_number());
}
unsigned recurse(formula f)
{
@ -322,13 +351,19 @@ namespace spot
return it->second;
}
case op::Closure:
{
twa_graph_ptr sere_aut =
derive_finite_automaton_with_first(f[0], aut_->get_dict());
return copy_sere_aut_to_res(sere_aut);
}
case op::NegClosure:
case op::NegClosureMarked:
case op::eword:
case op::Xor:
case op::Implies:
case op::Equiv:
case op::Closure:
case op::NegClosure:
case op::NegClosureMarked:
case op::EConcat:
case op::EConcatMarked:
case op::OrRat: