/*++
Copyright (c) 2006 Microsoft Corporation

Module Name:

    struct_factory.h

Abstract:

    <abstract>

Author:

    Leonardo de Moura (leonardo) 2008-11-06.

Revision History:

--*/
#ifndef _STRUCT_FACTORY_H_
#define _STRUCT_FACTORY_H_

#include"value_factory.h"
#include"obj_hashtable.h"

class proto_model;

/**
   \brief Abstract factory for structured values such as: arrays and algebraic datatypes.
*/
class struct_factory : public value_factory {
protected:
    typedef obj_hashtable<expr> value_set;
    typedef obj_map<sort, value_set *> sort2value_set;

    proto_model &         m_model;
    sort2value_set        m_sort2value_set;
    expr_ref_vector       m_values;
    sort_ref_vector       m_sorts;
    ptr_vector<value_set> m_sets;
    
    value_set * get_value_set(sort * s);

public:
    struct_factory(ast_manager & m, family_id fid, proto_model & md);

    virtual ~struct_factory();

    virtual bool get_some_values(sort * s, expr_ref & v1, expr_ref & v2);

    virtual void register_value(expr * array_value);
};

#endif /* _STRUCT_FACTORY_H_ */