genem: improve handling of co-Büchi

* spot/twaalgos/sccinfo.cc, spot/twaalgos/sccinfo.hh: Make sure
scc_and_mark_filter does not install a filter if there is nothing
to filter.
* tests/python/genem.py, spot/twaalgos/genem.cc,
python/spot/impl.i: Adjust.
This commit is contained in:
Alexandre Duret-Lutz 2019-04-12 23:14:29 +02:00
parent afdc7ddaf8
commit 0623965b43
5 changed files with 20 additions and 13 deletions

View file

@ -75,9 +75,10 @@ namespace spot
};
}
scc_info::scc_info(scc_and_mark_filter& filt, scc_info_options options)
scc_info::scc_info(const scc_and_mark_filter& filt, scc_info_options options)
: scc_info(filt.get_aut(), filt.start_state(),
filt.get_filter(), &filt, options)
filt.get_filter(),
const_cast<scc_and_mark_filter*>(&filt), options)
{
}