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https://github.com/Z3Prover/z3
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96671cfc73
* rewriter: fix unused variable warnings * cmake: make missing non-virtual dtors error * treewide: add missing virtual destructors * cmake: add a few more checks * api: add missing virtual destructor to user_propagator_base * examples: compile cpp example with compiler warnings * model: fix unused variable warnings * rewriter: fix logical-op-parentheses warnings * sat: fix unused variable warnings * smt: fix unused variable warnings
54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
/*++
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Copyright (c) 2017 Microsoft Corporation
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Module Name:
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pb_solver_interface.h
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Abstract:
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Abstract interface for a solver,
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covers functionality exposed by the sat and lookahead solvers.
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Author:
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Nikolaj Bjorner (nbjorner) 2017-01-30
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Revision History:
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--*/
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#pragma once
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#include "sat/sat_types.h"
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#include "sat/sat_solver.h"
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#include "sat/smt/sat_smt.h"
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namespace pb {
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typedef sat::literal literal;
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typedef sat::bool_var bool_var;
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typedef sat::literal_vector literal_vector;
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typedef std::pair<unsigned, literal> wliteral;
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class constraint;
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class solver_interface {
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public:
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virtual ~solver_interface() = default;
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virtual lbool value(bool_var v) const = 0;
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virtual lbool value(literal lit) const = 0;
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virtual bool is_false(literal lit) const = 0;
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virtual unsigned lvl(literal lit) const = 0;
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virtual unsigned lvl(bool_var v) const = 0;
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virtual bool inconsistent() const = 0;
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virtual sat::watch_list& get_wlist(literal l) = 0;
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virtual sat::watch_list const& get_wlist(literal l) const = 0;
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virtual void assign(literal l, sat::justification j) = 0;
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virtual void set_conflict(sat::justification j, literal l) = 0;
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virtual sat::config const& get_config() const = 0;
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virtual void assign(constraint& c, literal lit) = 0;
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virtual void set_conflict(constraint& c, literal lit) = 0;
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};
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}
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