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seq + API

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-01-04 18:01:48 -08:00
parent 68a532d066
commit c1ebf6b4fc
9 changed files with 484 additions and 77 deletions
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13
src/smt/theory_seq.h
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@ -261,6 +261,15 @@ namespace smt {
}
};
class replay_axiom : public apply {
expr_ref m_e;
public:
replay_axiom(ast_manager& m, expr* e) : m_e(e, m) {}
virtual void operator()(theory_seq& th) {
th.enque_axiom(m_e);
}
};
class push_replay : public trail<theory_seq> {
apply* m_apply;
public:
@ -282,6 +291,7 @@ namespace smt {
unsigned m_branch_variable;
unsigned m_solve_nqs;
unsigned m_solve_eqs;
unsigned m_add_axiom;
};
ast_manager& m;
dependency_manager m_dm;
@ -357,6 +367,7 @@ namespace smt {
bool solve_unit_eq(expr* l, expr* r, dependency* dep);
bool is_binary_eq(expr* l, expr* r, expr*& x, ptr_vector<expr>& xunits, ptr_vector<expr>& yunits, expr*& y);
bool solve_binary_eq(expr* l, expr* r, dependency* dep);
bool propagate_max_length(expr* l, expr* r, dependency* dep);
bool solve_nqs(unsigned i);
void solve_ne(unsigned i);
@ -383,9 +394,11 @@ namespace smt {
bool is_var(expr* b);
bool add_solution(expr* l, expr* r, dependency* dep);
bool is_nth(expr* a) const;
bool is_tail(expr* a, expr*& s, unsigned& idx) const;
expr_ref mk_nth(expr* s, expr* idx);
expr_ref mk_last(expr* e);
expr_ref canonize(expr* e, dependency*& eqs);
void canonize(expr* e, expr_ref_vector& es, dependency*& eqs);
expr_ref expand(expr* e, dependency*& eqs);
void add_dependency(dependency*& dep, enode* a, enode* b);