[1] | 1 | /*------------------------------------------------------------\ |
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| 2 | | | |
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| 3 | | Tool : systemcass | |
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| 4 | | | |
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| 5 | | File : sc_bit.h | |
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| 6 | | | |
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| 7 | | Author : Buchmann Richard | |
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| 8 | | | |
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| 9 | | Date : 14_04_2005 | |
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| 10 | | | |
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| 11 | \------------------------------------------------------------*/ |
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| 12 | #ifndef __SC_BIT_H__ |
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| 13 | #define __SC_BIT_H__ |
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| 14 | |
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[8] | 15 | #include "sc_nbdefs.h" |
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| 16 | #include "sc_fwd.h" |
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| 17 | #include "sc_logic.h" |
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| 18 | #include "sc_string.h" |
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| 19 | #include "sc_numrep.h" |
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[1] | 20 | |
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| 21 | // ---------------------------------------------------------------------------- |
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| 22 | // CLASS : sc_bit |
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| 23 | // |
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| 24 | // ---------------------------------------------------------------------------- |
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| 25 | |
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| 26 | namespace sc_dt { |
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| 27 | |
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| 28 | class sc_bit |
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| 29 | { |
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| 30 | ///////////////////////// |
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| 31 | ///// SYSTEMCASS SPECIFIC |
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| 32 | bool val; |
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| 33 | ///////////////////////// |
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| 34 | public: |
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| 35 | // constructors & destructor |
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| 36 | sc_bit () { val = false; } |
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| 37 | explicit sc_bit (bool a) { val = a; } |
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| 38 | explicit sc_bit (int a) { val = a > 0; } |
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| 39 | explicit sc_bit (char a) { val = (a == '1')?true:false; } |
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| 40 | explicit sc_bit (const sc_logic & a) { val = a.to_bool(); } |
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| 41 | ~sc_bit () { }; |
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| 42 | // copy constructor |
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| 43 | sc_bit (const sc_bit & a) { val = a; } |
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| 44 | // assignment operators |
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| 45 | sc_bit & operator = (const sc_bit & b) { val = b.to_bool(); return *this; } |
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| 46 | sc_bit & operator = (int b) { val = b > 0; return *this; } |
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| 47 | sc_bit & operator = (bool b) { val = b; return *this; } |
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| 48 | sc_bit & operator = (char b) { val = (b == '1')?true:false; return *this; } |
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| 49 | sc_bit & operator = (const sc_logic & b) { val = b.to_bool(); return *this; } |
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| 50 | |
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| 51 | // bitwise assignment operators |
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| 52 | sc_bit & operator &= (const sc_bit & b) { val &= b.to_bool(); return *this; } |
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| 53 | sc_bit & operator &= (int b) { val &= b > 0; return *this; } |
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| 54 | sc_bit & operator &= (bool b) { val &= b; return *this; } |
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| 55 | sc_bit & operator &= (char b) { val &= (b == '1')?true:false; return *this; } |
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| 56 | sc_bit & operator |= (const sc_bit & b) { val |= b.val; return *this; } |
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| 57 | sc_bit & operator |= (int b) { val |= b > 0; return *this; } |
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| 58 | sc_bit & operator |= (bool b) { val |= b; return *this; } |
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| 59 | sc_bit & operator |= (char b) { val |= (b == '1')?true:false; return *this; } |
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| 60 | sc_bit & operator ^= (const sc_bit & b) { val ^= b.val; return *this; } |
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| 61 | sc_bit & operator ^= (int b) { val ^= b > 0; return *this; } |
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| 62 | sc_bit & operator ^= (bool b) { val ^= b; return *this; } |
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| 63 | sc_bit & operator ^= (char b) { val ^= (b == '1')?true:false; return *this; } |
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| 64 | |
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| 65 | // implicit conversion to bool |
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| 66 | operator bool () const { return val; } |
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| 67 | bool operator ! () const { return !val; } |
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| 68 | |
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| 69 | // explicit conversion to character string |
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| 70 | const sc_string to_string ( sc_numrep numrep = SC_DEC ) const |
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| 71 | { return sc_string ((val)?"1":"0"); } |
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| 72 | const sc_string to_dec() const { return to_string (SC_DEC); } |
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| 73 | const sc_string to_bin() const { return to_string (SC_BIN); } |
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| 74 | const sc_string to_oct() const { return to_string (SC_OCT); } |
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| 75 | const sc_string to_hex() const { return to_string (SC_HEX); } |
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| 76 | |
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| 77 | // others explicit conversions |
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| 78 | bool to_bool () const { return val; } |
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| 79 | char to_char () const { return (val)?'1':'0'; } |
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| 80 | |
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| 81 | // relational operators and functions |
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| 82 | friend bool operator == (const sc_bit & a, const sc_bit & b) { return a == |
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| 83 | b; } |
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| 84 | friend bool operator == (const sc_bit & a, int b); |
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| 85 | friend bool operator == (const sc_bit & a, bool b); |
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| 86 | friend bool operator == (const sc_bit & a, char b); |
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| 87 | friend bool operator == (int a, const sc_bit & b); |
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| 88 | |
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| 89 | friend bool operator == (bool a, const sc_bit & b); |
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| 90 | friend bool operator == (char a, const sc_bit & b); |
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| 91 | friend bool equal (const sc_bit & a, const sc_bit & b); |
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| 92 | friend bool equal (const sc_bit & a, int b); |
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| 93 | friend bool equal (const sc_bit & a, bool b); |
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| 94 | friend bool equal (const sc_bit & a, char b); |
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| 95 | friend bool equal (int a, const sc_bit & b); |
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| 96 | friend bool equal (bool a, const sc_bit & b); |
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| 97 | friend bool equal (char a, const sc_bit & b); |
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| 98 | friend bool operator != (const sc_bit & a, const sc_bit & b); |
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| 99 | friend bool operator != (const sc_bit & a, int b); |
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| 100 | friend bool operator != (const sc_bit & a, bool b); |
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| 101 | friend bool operator != (const sc_bit & a, char b); |
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| 102 | friend bool operator != (int a, const sc_bit & b); |
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| 103 | friend bool operator != (bool a, const sc_bit & b); |
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| 104 | friend bool operator != (char a, const sc_bit & b); |
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| 105 | friend bool not_equal (const sc_bit & a, const sc_bit & b); |
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| 106 | friend bool not_equal (const sc_bit & a, int b); |
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| 107 | friend bool not_equal (const sc_bit & a, bool b); |
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| 108 | friend bool not_equal (const sc_bit & a, char b); |
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| 109 | friend bool not_equal (int a, const sc_bit & b); |
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| 110 | friend bool not_equal (bool a, const sc_bit & b); |
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| 111 | friend bool not_equal (char a, const sc_bit & b); |
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| 112 | // bitwise complement |
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| 113 | friend const sc_bit operator ~ (const sc_bit & a); |
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| 114 | sc_bit & b_not (); |
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| 115 | friend void b_not (sc_bit & r, const sc_bit & a); |
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| 116 | friend const sc_bit b_not (const sc_bit & a); |
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| 117 | // bitwise or |
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| 118 | friend const sc_bit operator | (const sc_bit & a, const sc_bit & b); |
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| 119 | friend const sc_bit operator | (const sc_bit & a, int b); |
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| 120 | friend const sc_bit operator | (const sc_bit & a, bool b); |
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| 121 | friend const sc_bit operator | (const sc_bit & a, char b); |
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| 122 | friend const sc_bit operator | (int a, const sc_bit & b); |
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| 123 | friend const sc_bit operator | (bool a, const sc_bit & b); |
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| 124 | friend const sc_bit operator | (char a, const sc_bit & b); |
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| 125 | friend const sc_bit b_or (const sc_bit & a, const sc_bit & b); |
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| 126 | friend const sc_bit b_or (const sc_bit & a, int b); |
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| 127 | friend const sc_bit b_or (const sc_bit & a, bool b); |
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| 128 | friend const sc_bit b_or (const sc_bit & a, char b); |
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| 129 | friend const sc_bit b_or (int a, const sc_bit & b); |
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| 130 | friend const sc_bit b_or (bool a, const sc_bit & b); |
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| 131 | |
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| 132 | friend const sc_bit b_or (char a, const sc_bit & b); |
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| 133 | friend void b_or (sc_bit & r, const sc_bit & a, const sc_bit & b); |
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| 134 | friend void b_or (sc_bit & r, const sc_bit & a, int b); |
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| 135 | friend void b_or (sc_bit & r, const sc_bit & a, bool b); |
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| 136 | friend void b_or (sc_bit & r, const sc_bit & a, char b); |
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| 137 | friend void b_or (sc_bit & r, int a, const sc_bit & b); |
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| 138 | friend void b_or (sc_bit & r, bool a, const sc_bit & b); |
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| 139 | friend void b_or (sc_bit & r, char a, const sc_bit & b); |
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| 140 | // bitwise and |
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| 141 | friend const sc_bit operator & (const sc_bit & a, const sc_bit & b); |
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| 142 | friend const sc_bit operator & (const sc_bit & a, int b); |
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| 143 | friend const sc_bit operator & (const sc_bit & a, bool b); |
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| 144 | friend const sc_bit operator & (const sc_bit & a, char b); |
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| 145 | friend const sc_bit operator & (int a, const sc_bit & b); |
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| 146 | friend const sc_bit operator & (bool a, const sc_bit & b); |
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| 147 | friend const sc_bit operator & (char a, const sc_bit & b); |
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| 148 | friend const sc_bit b_and (const sc_bit & a, const sc_bit & b); |
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| 149 | friend const sc_bit b_and (const sc_bit & a, int b); |
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| 150 | friend const sc_bit b_and (const sc_bit & a, bool b); |
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| 151 | friend const sc_bit b_and (const sc_bit & a, char b); |
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| 152 | friend const sc_bit b_and (int a, const sc_bit & b); |
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| 153 | friend const sc_bit b_and (bool a, const sc_bit & b); |
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| 154 | friend const sc_bit b_and (char a, const sc_bit & b); |
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| 155 | friend void b_and (sc_bit & r, const sc_bit & a, const sc_bit & b); |
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| 156 | friend void b_and (sc_bit & r, const sc_bit & a, int b); |
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| 157 | friend void b_and (sc_bit & r, const sc_bit & a, bool b); |
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| 158 | friend void b_and (sc_bit & r, const sc_bit & a, char b); |
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| 159 | friend void b_and (sc_bit & r, int a, const sc_bit & b); |
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| 160 | friend void b_and (sc_bit & r, bool a, const sc_bit & b); |
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| 161 | friend void b_and (sc_bit & r, char a, const sc_bit & b); |
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| 162 | // bitwise exor |
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| 163 | friend const sc_bit operator ^ (const sc_bit & a, const sc_bit & b); |
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| 164 | friend const sc_bit operator ^ (const sc_bit & a, int b); |
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| 165 | friend const sc_bit operator ^ (const sc_bit & a, bool b); |
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| 166 | friend const sc_bit operator ^ (const sc_bit & a, char b); |
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| 167 | friend const sc_bit operator ^ (int a, const sc_bit & b); |
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| 168 | |
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| 169 | friend const sc_bit operator ^ (bool a, const sc_bit & b); |
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| 170 | friend const sc_bit operator ^ (char a, const sc_bit & b); |
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| 171 | friend const sc_bit b_xor (const sc_bit & a, const sc_bit & b); |
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| 172 | friend const sc_bit b_xor (const sc_bit & a, int b); |
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| 173 | friend const sc_bit b_xor (const sc_bit & a, bool b); |
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| 174 | friend const sc_bit b_xor (const sc_bit & a, char b); |
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| 175 | friend const sc_bit b_xor (int a, const sc_bit & b); |
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| 176 | friend const sc_bit b_xor (bool a, const sc_bit & b); |
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| 177 | friend const sc_bit b_xor (char a, const sc_bit & b); |
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| 178 | friend void b_xor (sc_bit & r, const sc_bit & a, const sc_bit & b); |
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| 179 | friend void b_xor (sc_bit & r, const sc_bit & a, int b); |
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| 180 | friend void b_xor (sc_bit & r, const sc_bit & a, bool b); |
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| 181 | friend void b_xor (sc_bit & r, const sc_bit & a, char b); |
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| 182 | friend void b_xor (sc_bit & r, int a, const sc_bit & b); |
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| 183 | friend void b_xor (sc_bit & r, bool a, const sc_bit & b); |
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| 184 | friend void b_xor (sc_bit & r, char a, const sc_bit & b); |
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| 185 | /* |
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| 186 | // other functions |
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| 187 | void print (std::ostream & os = std::cout) const; |
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| 188 | void scan (std::istream & = std::cin); |
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| 189 | */ |
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| 190 | }; |
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| 191 | |
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| 192 | } /* end of sc_dt namespace */ |
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| 193 | |
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| 194 | #endif /* __SC_BIT_H__ */ |
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