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Simulation keeps track of simulated states in the input automaton.

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* NEWS: Document the change.
* spot/twaalgos/simulation.cc: Implement the change.
* spot/twa/twagraph.cc: `copy_state_names_from` uses simulated states
  info if present.
* spot/twaalgos/determinize.cc: Pretty-print in determinization follows
  simulated states, avoiding possible confusion.
* tests/Makefile.am, tests/python/simstate.py: Add a test.
This commit is contained in:
Maximilien Colange 2017-05-19 17:44:02 +02:00
parent 967b1a4192
commit 7b5ab54530
6 changed files with 228 additions and 12 deletions
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7
spot/twaalgos/simulation.cc
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@ -439,6 +439,10 @@ namespace spot
res->copy_ap_of(a_);
res->copy_acceptance_of(a_);
auto state_mapping = new std::vector<unsigned>();
state_mapping->resize(a_->num_states());
res->set_named_prop("simulated-states", state_mapping);
// Non atomic propositions variables (= acc and class)
bdd nonapvars = all_proms_ & bdd_support(all_class_var_);
@ -454,6 +458,9 @@ namespace spot
// its class, or by all the implied classes.
auto s = gb->new_state(cl.id());
gb->alias_state(s, relation_[cl].id());
// update state_mapping
for (auto& st : p.second)
(*state_mapping)[st] = s;
if (implications)
(*implications)[s] = relation_[cl];
}