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adding fixedpoint object to C++ API

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-03-10 23:01:43 +01:00
parent 338193548b
commit 509f7409ba
1 changed files with 44 additions and 0 deletions
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44
src/api/c++/z3++.h
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@ -2175,6 +2175,50 @@ namespace z3 {
};
inline std::ostream & operator<<(std::ostream & out, optimize const & s) { out << Z3_optimize_to_string(s.ctx(), s.m_opt); return out; }
class fixedpoint : public object {
Z3_fixedpoint m_fp;
public:
fixedpoint(context& c):object(c) { m_fp = Z3_mk_fixedpoint(c); Z3_fixedpoint_inc_ref(c, m_fp); }
~fixedpoint() { Z3_fixedpoint_dec_ref(ctx(), m_fp); }
operator Z3_fixedpoint() const { return m_fp; }
void from_string(char const* s) { Z3_fixedpoint_from_string(ctx(), m_fp, s); check_error(); }
void from_file(char const* s) { Z3_fixedpoint_from_file(ctx(), m_fp, s); check_error(); }
void add_rule(expr& rule, symbol const& name) { Z3_fixedpoint_add_rule(ctx(), m_fp, rule, name); check_error(); }
void add_fact(func_decl& f, unsigned * args) { Z3_fixedpoint_add_fact(ctx(), m_fp, f, f.arity(), args); check_error(); }
check_result query(expr& q) { Z3_lbool r = Z3_fixedpoint_query(ctx(), m_fp, q); check_error(); to_check_result(r); }
check_result query(func_decl_vector& relations) {
array<Z3_func_decl> rs(relations);
Z3_lbool r = Z3_fixedpoint_query_relations(ctx(), m_fp, rs.size(), rs.ptr());
check_error();
return to_check_result(r);
}
expr get_answer() { Z3_ast r = Z3_fixedpoint_get_answer(ctx(), m_fp); check_error(); return expr(ctx(), r); }
std::string reason_unknown() { return Z3_fixedpoint_get_reason_unknown(ctx(), m_fp); }
void update_rule(expr& rule, symbol const& name) { Z3_fixedpoint_update_rule(ctx(), m_fp, rule, name); check_error(); }
unsigned get_num_levels(func_decl& p) { unsigned r = Z3_fixedpoint_get_num_levels(ctx(), m_fp, p); check_error(); return r; }
expr get_cover_delta(int level, func_decl& p) {
Z3_ast r = Z3_fixedpoint_get_cover_delta(ctx(), m_fp, level, p);
check_error();
return expr(ctx(), r);
}
void add_cover(int level, func_decl& p, expr& property) { Z3_fixedpoint_add_cover(ctx(), m_fp, level, p, property); check_error(); }
stats statistics() const { Z3_stats r = Z3_fixedpoint_get_statistics(ctx(), m_fp); check_error(); return stats(ctx(), r); }
void register_relation(func_decl& p) { Z3_fixedpoint_register_relation(ctx(), m_fp, p); }
expr_vector assertions() const { Z3_ast_vector r = Z3_fixedpoint_get_assertions(ctx(), m_fp); check_error(); return expr_vector(ctx(), r); }
expr_vector rules() const { Z3_ast_vector r = Z3_fixedpoint_get_rules(ctx(), m_fp); check_error(); return expr_vector(ctx(), r); }
void set(params const & p) { Z3_fixedpoint_set_params(ctx(), m_fp, p); check_error(); }
std::string help() const { return Z3_fixedpoint_get_help(ctx(), m_fp); }
param_descrs get_param_descrs() { return param_descrs(ctx(), Z3_fixedpoint_get_param_descrs(ctx(), m_fp)); }
std::string to_string() { return Z3_fixedpoint_to_string(ctx(), m_fp, 0, 0); }
std::string to_string(expr_vector const& queries) {
array<Z3_ast> qs(queries);
return Z3_fixedpoint_to_string(ctx(), m_fp, qs.size(), qs.ptr());
}
void push() { Z3_fixedpoint_push(ctx(), m_fp); check_error(); }
void pop() { Z3_fixedpoint_pop(ctx(), m_fp); check_error(); }
};
inline std::ostream & operator<<(std::ostream & out, fixedpoint const & f) { return out << Z3_fixedpoint_to_string(f.ctx(), f, 0, 0); }
inline tactic fail_if(probe const & p) {
Z3_tactic r = Z3_tactic_fail_if(p.ctx(), p);
p.check_error();