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new regex automata start; add complexity estimation

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This commit is contained in:
Murphy Berzish 2017-12-04 18:05:00 -05:00
parent b581ab70ed
commit fbe8d1577e
7 changed files with 127 additions and 3 deletions
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3
src/ast/rewriter/seq_rewriter.cpp
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@ -200,6 +200,9 @@ void re2automaton::set_solver(expr_solver* solver) {
m_sa = alloc(symbolic_automata_t, sm, *m_ba.get());
}
eautomaton* re2automaton::mk_product(eautomaton* a1, eautomaton* a2) {
return m_sa->mk_product(*a1, *a2);
}
eautomaton* re2automaton::operator()(expr* e) {
eautomaton* r = re2aut(e);

5
src/ast/rewriter/seq_rewriter.h
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@ -53,7 +53,9 @@ public:
bool is_range() const { return m_ty == t_range; }
sort* get_sort() const { return m_sort; }
expr* get_char() const { SASSERT(is_char()); return m_t; }
expr* get_pred() const { SASSERT(is_pred()); return m_t; }
expr* get_lo() const { SASSERT(is_range()); return m_t; }
expr* get_hi() const { SASSERT(is_range()); return m_s; }
};
class sym_expr_manager {
@ -87,6 +89,7 @@ public:
~re2automaton();
eautomaton* operator()(expr* e);
void set_solver(expr_solver* solver);
eautomaton* mk_product(eautomaton *a1, eautomaton *a2);
};
/**