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have free variable utility use a class for more efficient re-use

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-09-15 16:14:22 -07:00
parent 73070585b8
commit c09903288f
39 changed files with 300 additions and 303 deletions
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16
src/muz/base/dl_rule.h
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@ -30,6 +30,7 @@ Revision History:
#include"rewriter.h"
#include"hnf.h"
#include"qe_lite.h"
#include"var_subst.h"
namespace datalog {
@ -64,10 +65,8 @@ namespace datalog {
context& m_ctx;
rule_counter m_counter;
used_vars m_used;
ptr_vector<sort> m_vars;
var_idx_set m_var_idx;
ptr_vector<expr> m_todo;
ast_mark m_mark;
expr_free_vars m_free_vars;
app_ref_vector m_body;
app_ref m_head;
expr_ref_vector m_args;
@ -143,7 +142,7 @@ namespace datalog {
void accumulate_vars(expr* pred);
ptr_vector<sort>& get_var_sorts() { return m_vars; }
// ptr_vector<sort>& get_var_sorts() { return m_vars; }
var_idx_set& get_var_idx() { return m_var_idx; }
@ -213,11 +212,14 @@ namespace datalog {
*/
bool is_fact(app * head) const;
static bool is_forall(ast_manager& m, expr* e, quantifier*& q);
rule_counter& get_counter() { return m_counter; }
void to_formula(rule const& r, expr_ref& result);
std::ostream& display_smt2(rule const& r, std::ostream & out);
};
class rule : public accounted_object {
@ -306,12 +308,8 @@ namespace datalog {
void get_vars(ast_manager& m, ptr_vector<sort>& sorts) const;
void to_formula(expr_ref& result) const;
void display(context & ctx, std::ostream & out) const;
std::ostream& display_smt2(ast_manager& m, std::ostream & out) const;
symbol const& name() const { return m_name; }
unsigned hash() const;