/*------------------------------------------------------------\
|                                                             |
| Tool    :                  systemcass                       |
|                                                             |
| File    :                 sc_lv.h                           |
|                                                             |
| Author  :                 Buchmann Richard                  |
|                                                             |
| Date    :                   19_04_2005                      |
|                                                             |
\------------------------------------------------------------*/
#ifndef __SC_LV_H__
#define __SC_LV_H__

// ----------------------------------------------------------------------------
//  CLASS : sc_lv
//
// ----------------------------------------------------------------------------

#include"sc_nbdefs.h"
#include"sc_logic.h"
#include"sc_unsigned.h"
#include"sc_signed.h"
#include"sc_uint.h"
#include"sc_int.h"


namespace sc_dt {

template<int W> struct s_lv_type { typedef uint64 lv_type;};
#define DECLAR_LV_TYPE(W) template<> struct s_lv_type<W> { typedef smallest_uint lv_type; }// not declared as uint16 because << operator threats like a character
DECLAR_LV_TYPE( 1);
DECLAR_LV_TYPE( 2);
DECLAR_LV_TYPE( 3);
DECLAR_LV_TYPE( 4);
DECLAR_LV_TYPE( 5);
DECLAR_LV_TYPE( 6);
DECLAR_LV_TYPE( 7);
DECLAR_LV_TYPE( 8);
#undef DECLAR_LV_TYPE
#define DECLAR_LV_TYPE(W) template<> struct s_lv_type<W> { typedef uint16 lv_type; }
DECLAR_LV_TYPE( 9);
DECLAR_LV_TYPE(10);
DECLAR_LV_TYPE(11);
DECLAR_LV_TYPE(12);
DECLAR_LV_TYPE(13);
DECLAR_LV_TYPE(14);
DECLAR_LV_TYPE(15);
DECLAR_LV_TYPE(16);
#undef DECLAR_LV_TYPE
#define DECLAR_LV_TYPE(W) template<> struct s_lv_type<W> { typedef uint32 lv_type; }
DECLAR_LV_TYPE(17);
DECLAR_LV_TYPE(18);
DECLAR_LV_TYPE(19);
DECLAR_LV_TYPE(20);
DECLAR_LV_TYPE(21);
DECLAR_LV_TYPE(22);
DECLAR_LV_TYPE(23);
DECLAR_LV_TYPE(24);
DECLAR_LV_TYPE(25);
DECLAR_LV_TYPE(26);
DECLAR_LV_TYPE(27);
DECLAR_LV_TYPE(28);
DECLAR_LV_TYPE(29);
DECLAR_LV_TYPE(30);
DECLAR_LV_TYPE(31);
DECLAR_LV_TYPE(32);
#undef DECLAR_LV_TYPE


class sc_lv_base
{
public:
  // constructors 
/*
  explicit sc_lv_base (int length_ = sc_length_param ().len ());
  explicit sc_lv_base (bool a, int length_ = sc_length_param ().len ());
*/
    sc_lv_base () { } // SYSTEMCASS SPECIFIC
    sc_lv_base (const char *a);
    sc_lv_base (const char *a, int length_);
    template < class X > sc_lv_base (const sc_lv_base & a);
    virtual ~ sc_lv_base () {}
  // assignment operators 
    template < class X > sc_lv_base & operator = (const sc_lv_base & a);
    sc_lv_base & operator = (const char *a);
    sc_lv_base & operator = (const bool * a);
    sc_lv_base & operator = (const sc_logic * a);
    sc_lv_base & operator = (const sc_unsigned & a);
    sc_lv_base & operator = (const sc_signed & a);
/*
    sc_lv_base & operator = (const sc_uint_base & a);
    sc_lv_base & operator = (const sc_int_base & a);
*/
    sc_lv_base & operator = (unsigned long a);
    sc_lv_base & operator = (long a);
    sc_lv_base & operator = (unsigned int a);
    sc_lv_base & operator = (int a);
    sc_lv_base & operator = (uint64 a);
    sc_lv_base & operator = (int64 a);

  // methods 
  int length () const;
  bool is_01 () const;
};


template < int W > class sc_lv:public sc_lv_base
{
  /***********************/
  /* SYSTEMCASS SPECIFIC */
  /***********************/
  typedef sc_lv<W>                         this_type;
  typedef typename s_lv_type<W>::lv_type   data_type;
  data_type val;
public:
  // constructors 
  sc_lv ()                         { val = 0; }
  explicit sc_lv (bool init_value) { val = 0; }
  explicit sc_lv (char init_value) { val = 0; }
    sc_lv (const char *a)          { val = 0; write (atoi (a)); }
    sc_lv (const bool * a)         { val = 0; write (a); }
    sc_lv (const sc_logic * a)     { val = 0; write (a); }
    sc_lv (const sc_unsigned & a)  { val = 0; write (a); }
    sc_lv (const sc_signed & a)    { val = 0; write (a); }
/*
    sc_lv (const sc_uint_base & a);
    sc_lv (const sc_int_base & a);
*/
    sc_lv (unsigned long a)        { val = 0; write (a); }  
    sc_lv (long a)                 { val = 0; write (a); }
    sc_lv (unsigned int a)         { val = 0; write (a); }
    sc_lv (int a)                  { val = 0; write (a); }
    sc_lv (uint64 a)               { val = 0; write (a); }
    sc_lv (int64 a)                { val = 0; write (a); }
    sc_lv (const sc_lv_base & a)   { val = 0; write (a); }
    sc_lv (const sc_lv < W > &a)   { val = 0; write (a); }
  // assignment operators 
#ifdef LRM
  template < class X > sc_lv < W > &operator = (const sc_lv_base & a)
  sc_lv < W > &operator = (const sc_lv < W > &a)
  sc_lv < W > &operator = (const char *a)
  sc_lv < W > &operator = (const bool * a)
  sc_lv < W > &operator = (const sc_logic * a)
  sc_lv < W > &operator = (const sc_unsigned & a)
  sc_lv < W > &operator = (const sc_signed & a)
#endif // LRM
  template <typename T> inline sc_lv& operator = (const T& val_)
  { write (val_); return *this; }
/*
    sc_lv < W > &operator = (const sc_uint_base & a);
    sc_lv < W > &operator = (const sc_int_base & a);
*/
    sc_lv < W > &operator = (unsigned long a);
    sc_lv < W > &operator = (long a);
    sc_lv < W > &operator = (unsigned int a);
    sc_lv < W > &operator = (int a) { val = a; return *this; }
    sc_lv < W > &operator = (uint64 a);
    sc_lv < W > &operator = (int64 a);
  /***********************/
  /* SYSTEMCASS SPECIFIC */
  /***********************/
  // read/write
  inline void write(data_type val_)    { val = val_; }
  template <int W2> inline void write (const sc_lv<W2> val_) { write (val_.read()); }

};

} /* end of sc_dt namespace */

#endif /* __SC_LV_H__ */