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75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
/*++
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Copyright (c) 2011 Microsoft Corporation
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Module Name:
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model_evaluator.h
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Abstract:
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Evaluate expressions in a given model.
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Author:
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Leonardo de Moura (leonardo) 2011-04-30.
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Revision History:
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--*/
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#pragma once
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#include "ast/ast.h"
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#include "ast/rewriter/rewriter_types.h"
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#include "util/params.h"
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class model;
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class model_core;
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class expr_solver;
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typedef rewriter_exception model_evaluator_exception;
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class model_evaluator {
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struct imp;
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imp * m_imp;
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public:
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model_evaluator(model_core & m, params_ref const & p = params_ref());
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~model_evaluator();
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ast_manager & m () const;
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model_core const& get_model() const;
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void set_model_completion(bool f);
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bool get_model_completion() const;
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void set_expand_array_equalities(bool f);
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void updt_params(params_ref const & p);
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static void get_param_descrs(param_descrs & r);
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void operator()(expr * t, expr_ref & r);
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expr_ref operator()(expr* t);
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expr_ref_vector operator()(expr_ref_vector const& ts);
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// exception safe
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bool eval(expr* t, expr_ref& r, bool model_completion = true);
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bool eval(expr_ref_vector const& ts, expr_ref& r, bool model_completion = true);
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bool is_true(expr * t);
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bool is_false(expr * t);
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bool is_true(expr_ref_vector const& ts);
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bool are_equal(expr* s, expr* t);
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void set_solver(expr_solver* solver);
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bool has_solver();
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/**
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* best effort evaluator of extensional array equality.
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*/
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expr_ref eval_array_eq(app* e, expr* arg1, expr* arg2);
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void cleanup(params_ref const & p = params_ref());
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void reset(params_ref const & p = params_ref());
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void reset(model_core& model, params_ref const & p = params_ref());
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unsigned get_num_steps() const;
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};
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