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#ifndef SYSTEMC_SC_UINT_BASE_H
#define SYSTEMC_SC_UINT_BASE_H
#include <cassert>
#include "systemc_util.h"
class sc_uint_subref;
class sc_uint_base;
class sc_uint_subref
{
friend class sc_uint_base;
public:
sc_uint_subref(sc_uint_base *_ptr, int _left, int _right)
: ptr(_ptr), left(_left), right(_right)
{}
// TODO: doesn't work
// operator sc_uint_base ();
sc_uint_base &operator=(const sc_uint_base &other);
sc_uint_base &operator=(const sc_uint_subref &other);
int length() const
{
return left-right+1;
}
unsigned int to_uint() const;
protected:
sc_uint_base *ptr;
int left, right;
};
class sc_uint_base
{
friend class sc_uint_subref;
public:
explicit sc_uint_base(unsigned long v, int _len)
: val(v), m_len(_len)
{
}
sc_uint_base(const sc_uint_subref &other);
sc_uint_base &operator=(const sc_uint_base &other)
{
val = other.val;
return *this;
}
sc_uint_base &operator=(const sc_uint_subref &other);
bool operator==(const sc_uint_base &other)
{
return val == other.val;
}
sc_uint_base operator+=(const sc_uint_base &other)
{
val += other.val;
return *this;
}
sc_uint_base operator-=(const sc_uint_base &other)
{
val -= other.val;
return *this;
}
sc_uint_base operator*=(const sc_uint_base &other)
{
val *= other.val;
return *this;
}
sc_uint_base operator>>=(int v) //uint_type v
{
val >>= v;
return *this;
}
sc_uint_base operator+(const sc_uint_base &other)
{
return sc_uint_base(val+other.val, m_len);
}
sc_uint_base operator*(const sc_uint_base &other)
{
return sc_uint_base(val*other.val, m_len);
}
sc_uint_subref range(int left, int right);
int length() const
{
return m_len;
}
unsigned int to_uint() const
{
return val;
}
bv_type val;
protected:
const int m_len;
};
#endif
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