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Make it easier to convert acc-conditions to associated formulae.

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This is motivated by the fact that sog-its used the low-level data
structures used by the bdd_dict to do such work, and broke because of
the recent changes in this area.

* src/tgba/bdddict.cc, src/tgba/bdddict.hh (oneacc_to_formula):
New method.
* src/tgbaalgos/save.cc: Use it.
This commit is contained in:
Alexandre Duret-Lutz 2012-05-22 17:57:12 +02:00
parent 8893f34da1
commit ebf4d2585d
3 changed files with 49 additions and 22 deletions
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29
src/tgbaalgos/save.cc
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@ -77,29 +77,16 @@ namespace spot
{
bdd cube = bdd_satone(acc);
acc -= cube;
while (cube != bddtrue)
const ltl::formula* f = d->oneacc_to_formula(cube);
std::string s = ltl::to_string(f);
if (is_atomic_prop(f) && s[0] == '"')
{
assert(cube != bddfalse);
// Display the first variable that is positive.
// There should be only one per satisfaction.
if (bdd_high(cube) != bddfalse)
{
int v = bdd_var(cube);
const bdd_dict::bdd_info& i = d->bdd_map[v];
assert(i.type == bdd_dict::acc);
std::string s = ltl::to_string(i.f);
if (is_atomic_prop(i.f) && s[0] == '"')
{
// Unquote atomic propositions.
s.erase(s.begin());
s.resize(s.size() - 1);
}
os_ << " \"";
escape_str(os_, s) << "\"";
break;
}
cube = bdd_low(cube);
// Unquote atomic propositions.
s.erase(s.begin());
s.resize(s.size() - 1);
}
os_ << " \"";
escape_str(os_, s) << "\"";
}
return os_;
}