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z3/src/tactic/generic_model_converter.h
Nikolaj Bjorner 1c2966f8e9 updates to model generation
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2018-01-11 11:20:23 -08:00

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1.8 KiB
C++

/*++
Copyright (c) 2017 Microsoft Corporation
Module Name:
generic_model_converter.h
Abstract:
Generic model converter that hides and adds entries.
It subsumes filter_model_converter and extension_model_converter.
Author:
Nikolaj Bjorner (nbjorner) 2017-10-29
Notes:
--*/
#ifndef GENERIC_MODEL_CONVERTER_H_
#define GENERIC_MODEL_CONVERTER_H_
#include "tactic/model_converter.h"
class generic_model_converter : public model_converter {
enum instruction { HIDE, ADD };
struct entry {
func_decl_ref m_f;
expr_ref m_def;
instruction m_instruction;
entry(func_decl* f, expr* d, ast_manager& m, instruction i):
m_f(f, m), m_def(d, m), m_instruction(i) {}
};
ast_manager& m;
vector<entry> m_add_entries;
vector<entry> m_hide_entries;
obj_map<func_decl, unsigned> m_first_idx;
expr_ref simplify_def(entry const& e);
public:
generic_model_converter(ast_manager & m) : m(m) {}
virtual ~generic_model_converter() { }
void hide(expr* e) { SASSERT(is_app(e) && to_app(e)->get_num_args() == 0); hide(to_app(e)->get_decl()); }
void hide(func_decl * f) { m_hide_entries.push_back(entry(f, 0, m, HIDE)); }
void add(func_decl * d, expr* e);
void add(expr * d, expr* e) { SASSERT(is_app(d) && to_app(d)->get_num_args() == 0); add(to_app(d)->get_decl(), e); }
void operator()(labels_vec & labels) override {}
void operator()(model_ref & md) override;
void cancel() override {}
void display(std::ostream & out) override;
model_converter * translate(ast_translation & translator) override;
void collect(ast_pp_util& visitor) override;
void operator()(expr_ref& fml) override;
};
typedef ref<generic_model_converter> generic_model_converter_ref;
#endif