sc_value_base.h

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/*****************************************************************************

  sc_value_base.h -- Base class for SystemC bit values.
*/
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  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
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// $Log: sc_value_base.h,v $
// Revision 1.4  2011/08/29 18:04:32  acg
//  Philipp A. Hartmann: miscellaneous clean ups.
//
// Revision 1.3  2011/08/24 22:05:48  acg
//  Torsten Maehne: initialization changes to remove warnings.
//
// Revision 1.2  2011/06/28 21:23:04  acg
//  Andy Goodrich: merging of SCV tree.
//
// Revision 1.1.1.1  2006/12/15 20:20:05  acg
// SystemC 2.3
//
// Revision 1.3  2006/01/13 18:54:01  acg
// Andy Goodrich: added $Log command so that CVS comments are reproduced in
// the source.
//

#ifndef SC_VALUE_BASE_H
#define SC_VALUE_BASE_H


#include "sysc/datatypes/int/sc_nbdefs.h"

namespace sc_dt
{

class sc_signed;
class sc_unsigned;

class SC_API sc_value_base 
{
    friend class sc_concatref;
  private: 
    virtual void concat_clear_data( bool to_ones=false );
    virtual bool concat_get_ctrl( sc_digit* dst_p, int low_i ) const;
    virtual bool concat_get_data( sc_digit* dst_p, int low_i ) const;
    virtual uint64 concat_get_uint64() const;
    virtual int concat_length(bool* xz_present_p=0) const;
    virtual void concat_set( int64 src, int low_i );
    virtual void concat_set( const sc_signed& src, int low_i );
    virtual void concat_set( const sc_unsigned& src, int low_i );
    virtual void concat_set( uint64 src, int low_i );
  public:
    virtual ~sc_value_base() {}
};


template< class T >
class sc_generic_base {
  public: 
    inline const T* operator-> () const
    {
        return (const T*)this;
    }
    inline T* operator-> () 
    {
        return (T*)this;
    }
};

} // namespace sc_dt

#endif