Extend the ELTL parser to support more complex aliases of
automaton operators such as Strong=G(F($0))->G(F($1)) and G=R(false, $0). * src/eltlparse/eltlparse.yy, src/eltlparse/eltlscan.ll: Add support for more complex aliases. * src/eltltest/acc.cc, src/eltltest/acc.test: Adjust. * src/ltlast/nfa.cc, src/ltlast/nfa.hh (arity): Now returns an unsigned value. * src/tgbatest/eltl2tgba.test: Adjust. * src/tgbalagos/eltl2tgba_lacim.cc: Fix sanity.
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@ -74,7 +74,7 @@ namespace spot
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bool is_loop();
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/// \brief Get the `arity' i.e. max t.cost, for each transition t.
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int arity();
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unsigned arity();
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/// \brief Return an iterator on the first succesor (if any) of \a state.
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///
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