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ltlfilt: add support for --relabel=io, --ins, and --outs

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* bin/common_ioap.cc, bin/common_ioap.hh (relabel_io): New function.
* bin/ltlfilt.cc: Implement the above options.
* doc/org/ltlfilt.org, NEWS: Illustrate them.
* tests/core/ltlfilt.test: Add some quick tests.
This commit is contained in:
Alexandre Duret-Lutz 2024-08-23 17:22:17 +02:00
parent bea1713f4e
commit 6fa42c90b8
6 changed files with 222 additions and 3 deletions
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34
bin/common_ioap.cc
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@ -164,3 +164,37 @@ filter_list_of_aps(spot::formula f, const char* filename, int linenum)
}
return {matched[0], matched[1]};
}
spot::formula relabel_io(spot::formula f, spot::relabeling_map& fro,
const char* filename, int linenum)
{
auto [ins, outs] = filter_list_of_aps(f, filename, linenum);
// Different implementation of unordered_set, usinged in
// filter_list_of_aps can cause aps to be output in different order.
// Let's sort everything for the sake of determinism.
std::sort(ins.begin(), ins.end());
std::sort(outs.begin(), outs.end());
spot::relabeling_map to;
unsigned ni = 0;
for (std::string& i: ins)
{
std::ostringstream s;
s << 'i' << ni++;
spot::formula a1 = spot::formula::ap(i);
spot::formula a2 = spot::formula::ap(s.str());
fro[a2] = a1;
to[a1] = a2;
}
unsigned no = 0;
for (std::string& o: outs)
{
std::ostringstream s;
s << 'o' << no++;
spot::formula a1 = spot::formula::ap(o);
spot::formula a2 = spot::formula::ap(s.str());
fro[a2] = a1;
to[a1] = a2;
}
return spot::relabel_apply(f, &to);
}