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twagraph: improve copy of kripke_graph

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Fix #505, Reported by Edmond Irani Liu.

* spot/twa/twagraph.cc (copy): Deal with kripke_graph in a better way.
* spot/twaalgos/hoa.cc: Do not force the use of named-states since
when the input is a kripke_graph.
* tests/python/kripke.py: Adjust test cases.
* NEWS: Mention the change.
* THANKS: Add Edmund.
This commit is contained in:
Alexandre Duret-Lutz 2022-05-09 13:42:20 +02:00
parent ef9267a58e
commit 013c879b41
5 changed files with 54 additions and 14 deletions
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7
spot/twaalgos/hoa.cc
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@ -31,6 +31,7 @@
#include <spot/twa/formula2bdd.hh>
#include <spot/tl/formula.hh>
#include <spot/kripke/fairkripke.hh>
#include <spot/kripke/kripkegraph.hh>
using namespace std::string_literals;
@ -973,7 +974,11 @@ namespace spot
strcpy(tmpopt, opt);
tmpopt[n] = 'k';
tmpopt[n + 1] = 0;
preserve_names = true;
// Preserve names if we have some state names, or if we are
// not a kripke_graph.
auto sn = aut->get_named_prop<std::vector<std::string>>("state-names");
preserve_names =
!!sn || !std::dynamic_pointer_cast<const kripke_graph>(aut);
}
auto a = std::dynamic_pointer_cast<const twa_graph>(aut);