z3-z3-4.13.0.src.muz.ddnf.ddnf.h Maven / Gradle / Ivy
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/*++
Copyright (c) 2013 Microsoft Corporation
Module Name:
ddnf.h
Abstract:
DDNF based engine.
Author:
Nikolaj Bjorner (nbjorner) 2014-08-21
Revision History:
--*/
#pragma once
#include "ast/ast.h"
#include "util/lbool.h"
#include "util/statistics.h"
#include "muz/base/dl_engine_base.h"
class tbv;
class tbv_manager;
namespace datalog {
class context;
class ddnf : public engine_base {
class imp;
imp* m_imp;
public:
ddnf(context& ctx);
~ddnf() override;
lbool query(expr* query) override;
void reset_statistics() override;
void collect_statistics(statistics& st) const override;
void display_certificate(std::ostream& out) const override;
expr_ref get_answer() override;
};
class ddnf_node;
class ddnf_mgr;
class ddnf_core {
ddnf_mgr* m_imp;
public:
ddnf_core(unsigned n);
~ddnf_core();
ddnf_node* insert(tbv const& t);
tbv_manager& get_tbv_manager();
unsigned size() const;
bool contains(tbv const& t);
bool well_formed();
//
// accumulate labels covered by the stream of tbvs,
// such that labels that are covered by the current
// tbv but not the previous tbvs are included.
//
void reset_accumulate();
void accumulate(tbv const& t, unsigned_vector& labels);
void display(std::ostream& out) const;
void display_statistics(std::ostream& out) const;
};
};