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add shortcuts for concatenation and equality propagation

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-12-08 16:17:04 +05:30
parent c8d9be0bbf
commit faebbc5384
3 changed files with 32 additions and 190 deletions
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6
src/smt/theory_seq.h
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@ -410,6 +410,8 @@ namespace smt {
expr_ref mk_empty(sort* s) { return expr_ref(m_util.str.mk_empty(s), m); }
expr_ref mk_concat(unsigned n, expr*const* es) { return expr_ref(m_util.str.mk_concat(n, es), m); }
expr_ref mk_concat(expr_ref_vector const& es, sort* s) { if (es.empty()) return mk_empty(s); return mk_concat(es.size(), es.c_ptr()); }
expr_ref mk_concat(expr_ref_vector const& es) { SASSERT(!es.empty()); return mk_concat(es.size(), es.c_ptr()); }
expr_ref mk_concat(ptr_vector<expr> const& es) { SASSERT(!es.empty()); return mk_concat(es.size(), es.c_ptr()); }
expr_ref mk_concat(expr* e1, expr* e2) { return expr_ref(m_util.str.mk_concat(e1, e2), m); }
expr_ref mk_concat(expr* e1, expr* e2, expr* e3) { return expr_ref(m_util.str.mk_concat(e1, e2, e3), m); }
bool solve_nqs(unsigned i);
@ -436,7 +438,9 @@ namespace smt {
void propagate_lit(dependency* dep, unsigned n, literal const* lits, literal lit);
void propagate_eq(dependency* dep, enode* n1, enode* n2);
void propagate_eq(literal lit, expr* e1, expr* e2, bool add_to_eqs);
void propagate_eq(dependency* dep, literal_vector const& lits, expr* e1, expr* e2, bool add_to_eqs);
void propagate_eq(dependency* dep, literal_vector const& lits, expr* e1, expr* e2, bool add_to_eqs = true);
void propagate_eq(dependency* dep, expr* e1, expr* e2, bool add_to_eqs = true);
void propagate_eq(dependency* dep, literal lit, expr* e1, expr* e2, bool add_to_eqs = true);
void set_conflict(dependency* dep, literal_vector const& lits = literal_vector());
u_map<unsigned> m_branch_start;