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64 lines
1.5 KiB
C++
64 lines
1.5 KiB
C++
/*++
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Copyright (c) 2011 Microsoft Corporation
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Module Name:
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solver.h
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Abstract:
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abstract solver interface
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Author:
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Leonardo (leonardo) 2011-03-19
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Notes:
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--*/
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#ifndef _SOLVER_H_
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#define _SOLVER_H_
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#include"check_sat_result.h"
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#include"front_end_params.h"
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#include"progress_callback.h"
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#include"params.h"
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class solver : public check_sat_result {
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public:
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virtual ~solver() {}
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// for backward compatibility
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virtual void set_front_end_params(front_end_params & p) {}
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virtual void updt_params(params_ref const & p) {}
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virtual void collect_param_descrs(param_descrs & r) {}
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virtual void set_produce_proofs(bool f) {}
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virtual void set_produce_models(bool f) {}
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virtual void set_produce_unsat_cores(bool f) {}
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virtual void init(ast_manager & m, symbol const & logic) = 0;
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virtual void reset() = 0;
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virtual void assert_expr(expr * t) = 0;
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virtual void push() = 0;
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virtual void pop(unsigned n) = 0;
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virtual unsigned get_scope_level() const = 0;
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virtual lbool check_sat(unsigned num_assumptions, expr * const * assumptions) = 0;
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virtual void set_cancel(bool f) {}
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void cancel() { set_cancel(true); }
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void reset_cancel() { set_cancel(false); }
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virtual void set_progress_callback(progress_callback * callback) = 0;
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virtual unsigned get_num_assertions() const;
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virtual expr * get_assertion(unsigned idx) const;
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virtual void display(std::ostream & out) const;
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};
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solver * mk_default_solver();
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#endif
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