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z3/lib/array_rewriter.h
Leonardo de Moura e9eab22e5c Z3 sources
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-02 11:35:25 -07:00

66 lines
2 KiB
C++

/*++
Copyright (c) 2011 Microsoft Corporation
Module Name:
array_rewriter.h
Abstract:
Basic rewriting rules for Arrays.
Author:
Leonardo (leonardo) 2011-04-06
Notes:
--*/
#ifndef _ARRAY_REWRITER_H_
#define _ARRAY_REWRITER_H_
#include"array_decl_plugin.h"
#include"rewriter_types.h"
#include"lbool.h"
#include"params.h"
/**
\brief Cheap rewrite rules for Arrays
*/
class array_rewriter {
array_util m_util;
bool m_sort_store;
bool m_expand_select_store;
template<bool CHECK_DISEQ>
lbool compare_args(unsigned num_args, expr * const * args1, expr * const * args2);
public:
array_rewriter(ast_manager & m, params_ref const & p = params_ref()):
m_util(m) {
updt_params(p);
}
ast_manager & m() const { return m_util.get_manager(); }
family_id get_fid() const { return m_util.get_family_id(); }
void updt_params(params_ref const & p);
static void get_param_descrs(param_descrs & r);
br_status mk_app_core(func_decl * f, unsigned num_args, expr * const * args, expr_ref & result);
br_status mk_store_core(unsigned num_args, expr * const * args, expr_ref & result);
br_status mk_select_core(unsigned num_args, expr * const * args, expr_ref & result);
br_status mk_map_core(func_decl * f, unsigned num_args, expr * const * args, expr_ref & result);
void mk_store(unsigned num_args, expr * const * args, expr_ref & result);
void mk_select(unsigned num_args, expr * const * args, expr_ref & result);
void mk_map(func_decl * f, unsigned num_args, expr * const * args, expr_ref & result);
// The following methods never return BR_FAILED
br_status mk_set_union(unsigned num_args, expr * const * args, expr_ref & result);
br_status mk_set_intersect(unsigned num_args, expr * const * args, expr_ref & result);
br_status mk_set_complement(expr * arg, expr_ref & result);
br_status mk_set_difference(expr * arg1, expr * arg2, expr_ref & result);
br_status mk_set_subset(expr * arg1, expr * arg2, expr_ref & result);
};
#endif