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z3/src/sat/smt/q_mam.h
Nikolaj Bjorner a1f46392aa na
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2021-01-30 16:00:38 -08:00

75 lines
1.4 KiB
C++

/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
euf_mam.h
Abstract:
Matching Abstract Machine
Author:
Leonardo de Moura (leonardo) 2007-02-13.
Nikolaj Bjorner (nbjorner) 2021-01-22.
--*/
#pragma once
#include "ast/ast.h"
#include "ast/euf/euf_egraph.h"
#include <functional>
namespace euf {
class solver;
};
namespace q {
typedef euf::enode enode;
typedef euf::egraph egraph;
typedef euf::enode_vector enode_vector;
class ematch;
/**
\brief Matching Abstract Machine (MAM)
*/
class mam {
friend class mam_impl;
mam() {}
public:
static mam * mk(euf::solver& ctx, ematch& em);
virtual ~mam() {}
virtual void add_pattern(quantifier * q, app * mp) = 0;
virtual void add_node(enode * n, bool lazy) = 0;
virtual void propagate() = 0;
virtual bool can_propagate() const = 0;
virtual void rematch(bool use_irrelevant = false) = 0;
virtual void on_merge(enode * root, enode * other) = 0;
virtual void on_match(quantifier * qa, app * pat, unsigned num_bindings, enode * const * bindings, unsigned max_generation) = 0;
virtual void reset() = 0;
virtual std::ostream& display(std::ostream& out) = 0;
virtual bool check_missing_instances() = 0;
static void ground_subterms(expr* e, ptr_vector<app>& ground);
};
};