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seq

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-12-29 10:13:19 -08:00
parent e2fab0a555
commit bd9b5b5735
5 changed files with 133 additions and 54 deletions
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4
src/ast/rewriter/seq_rewriter.cpp
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@ -39,7 +39,10 @@ re2automaton::re2automaton(ast_manager& m): m(m), u(m) {}
eautomaton* re2automaton::operator()(expr* e) {
eautomaton* r = re2aut(e);
if (r) {
//display_expr1 disp(m);
//r->display(std::cout, disp);
r->compress();
//r->display(std::cout, disp);
}
return r;
}
@ -61,6 +64,7 @@ eautomaton* re2automaton::re2aut(expr* e) {
else if (u.re.is_star(e, e1) && (a = re2aut(e1))) {
a->add_final_to_init_moves();
a->add_init_to_final_states();
return a.detach();
}
else if (u.re.is_plus(e, e1) && (a = re2aut(e1))) {