[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_logic.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_LOGIC_H__ |
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| 13 | #define __SC_LOGIC_H__ |
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| 14 | |
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| 15 | // ---------------------------------------------------------------------------- |
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| 16 | // CLASS : sc_logic |
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| 17 | // |
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| 18 | // ---------------------------------------------------------------------------- |
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| 19 | |
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[8] | 20 | #include "sc_nbdefs.h" |
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| 21 | #include "sc_fwd.h" |
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[1] | 22 | |
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| 23 | namespace sc_dt { |
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| 24 | |
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| 25 | // ---------------------------------------------------------------------------- |
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| 26 | // ENUM : sc_logic_value_t |
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| 27 | // |
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| 28 | // Enumeration of logic values. |
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| 29 | // ---------------------------------------------------------------------------- |
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| 30 | |
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| 31 | enum sc_logic_value_t |
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| 32 | { |
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| 33 | Log_0 = 0, |
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| 34 | Log_1, |
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| 35 | Log_Z, |
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| 36 | Log_X |
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| 37 | }; |
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| 38 | |
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| 39 | class sc_logic |
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| 40 | { |
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| 41 | public: |
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| 42 | // constructors & destructor |
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| 43 | sc_logic (); |
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| 44 | sc_logic (const sc_logic & a); |
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| 45 | sc_logic (sc_logic_value_t v); |
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| 46 | explicit sc_logic (bool a); |
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| 47 | explicit sc_logic (char a); |
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| 48 | explicit sc_logic (int a); |
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| 49 | explicit sc_logic (const sc_bit & a); |
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| 50 | ~sc_logic (); |
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| 51 | // assignment operators |
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| 52 | sc_logic & operator = (const sc_logic & a); |
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| 53 | sc_logic & operator = (sc_logic_value_t v); |
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| 54 | sc_logic & operator = (bool a); |
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| 55 | sc_logic & operator = (char a); |
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| 56 | sc_logic & operator = (int a); |
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| 57 | sc_logic & operator = (const sc_bit & a); |
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| 58 | // bitwise assignment operators |
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| 59 | sc_logic & operator &= (const sc_logic & b); |
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| 60 | sc_logic & operator &= (sc_logic_value_t v); |
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| 61 | sc_logic & operator &= (bool b); |
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| 62 | sc_logic & operator &= (char b); |
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| 63 | sc_logic & operator &= (int b); |
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| 64 | sc_logic & operator |= (const sc_logic & b); |
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| 65 | sc_logic & operator |= (sc_logic_value_t v); |
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| 66 | sc_logic & operator |= (bool b); |
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| 67 | sc_logic & operator |= (char b); |
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| 68 | sc_logic & operator |= (int b); |
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| 69 | sc_logic & operator ^= (const sc_logic & b); |
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| 70 | sc_logic & operator ^= (sc_logic_value_t v); |
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| 71 | sc_logic & operator ^= (bool b); |
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| 72 | sc_logic & operator ^= (char b); |
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| 73 | sc_logic & operator ^= (int b); |
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| 74 | // bitwise complement |
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| 75 | const sc_logic operator ~ () const; |
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| 76 | sc_logic & b_not (); |
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| 77 | // bitwise and |
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| 78 | friend const sc_logic operator & (const sc_logic & a, const sc_logic & b); |
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| 79 | friend const sc_logic operator & (const sc_logic & a, sc_logic_value_t b); |
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| 80 | friend const sc_logic operator & (const sc_logic & a, bool b); |
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| 81 | friend const sc_logic operator & (const sc_logic & a, char b); |
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| 82 | friend const sc_logic operator & (const sc_logic & a, int b); |
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| 83 | friend const sc_logic operator & (sc_logic_value_t a, const sc_logic & b); |
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| 84 | friend const sc_logic operator & (bool a, const sc_logic & b); |
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| 85 | friend const sc_logic operator & (char a, const sc_logic & b); |
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| 86 | friend const sc_logic operator & (int a, const sc_logic & b); |
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| 87 | // bitwise or |
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| 88 | friend const sc_logic operator | (const sc_logic & a, const sc_logic & b); |
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| 89 | friend const sc_logic operator | (const sc_logic & a, sc_logic_value_t b); |
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| 90 | friend const sc_logic operator | (const sc_logic & a, bool b); |
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| 91 | friend const sc_logic operator | (const sc_logic & a, char b); |
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| 92 | friend const sc_logic operator | (const sc_logic & a, int b); |
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| 93 | friend const sc_logic operator | (sc_logic_value_t a, const sc_logic & b); |
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| 94 | friend const sc_logic operator | (bool a, const sc_logic & b); |
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| 95 | friend const sc_logic operator | (char a, const sc_logic & b); |
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| 96 | friend const sc_logic operator | (int a, const sc_logic & b); |
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| 97 | // bitwise xor |
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| 98 | friend const sc_logic operator ^ (const sc_logic & a, const sc_logic & b); |
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| 99 | friend const sc_logic operator ^ (const sc_logic & a, sc_logic_value_t b); |
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| 100 | friend const sc_logic operator ^ (const sc_logic & a, bool b); |
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| 101 | friend const sc_logic operator ^ (const sc_logic & a, char b); |
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| 102 | friend const sc_logic operator ^ (const sc_logic & a, int b); |
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| 103 | friend const sc_logic operator ^ (sc_logic_value_t a, const sc_logic & b); |
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| 104 | friend const sc_logic operator ^ (bool a, const sc_logic & b); |
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| 105 | friend const sc_logic operator ^ (char a, const sc_logic & b); |
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| 106 | friend const sc_logic operator ^ (int a, const sc_logic & b); |
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| 107 | // relational operators and functions |
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| 108 | friend bool operator == (const sc_logic & a, const sc_logic & b); |
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| 109 | friend bool operator == (const sc_logic & a, |
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| 110 | sc_logic_value_t b); |
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| 111 | friend bool operator == (const sc_logic & a, bool b); |
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| 112 | friend bool operator == (const sc_logic & a, char b); |
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| 113 | friend bool operator == (const sc_logic & a, int b); |
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| 114 | friend bool operator == (sc_logic_value_t a, const sc_logic & b); |
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| 115 | friend bool operator == (bool a, const sc_logic & b); |
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| 116 | friend bool operator == (char a, const sc_logic & b); |
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| 117 | friend bool operator == (int a, const sc_logic & b); |
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| 118 | friend bool operator != (const sc_logic & a, const sc_logic & b); |
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| 119 | friend bool operator != (const sc_logic & a, sc_logic_value_t b); |
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| 120 | friend bool operator != (const sc_logic & a, bool b); |
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| 121 | friend bool operator != (const sc_logic & a, char b); |
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| 122 | friend bool operator != (const sc_logic & a, int b); |
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| 123 | friend bool operator != (sc_logic_value_t a, const sc_logic & b); |
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| 124 | friend bool operator != (bool a, const sc_logic & b); |
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| 125 | friend bool operator != (char a, const sc_logic & b); |
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| 126 | friend bool operator != (int a, const sc_logic & b); |
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| 127 | // explicit conversions |
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| 128 | sc_logic_value_t value () const; |
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| 129 | bool is_01 () const; |
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| 130 | bool to_bool () const; |
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| 131 | char to_char () const; |
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| 132 | /* |
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| 133 | // other methods |
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| 134 | void print (std::ostream & os = std::cout) const; |
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| 135 | void scan (std::istream & is = std::cin); |
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| 136 | */ |
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| 137 | // memory (de);allocation |
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| 138 | static void *operator new (size_t, void *p); // placement new |
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| 139 | static void *operator new (size_t sz); |
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| 140 | static void operator delete (void *p, size_t sz); |
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| 141 | static void *operator new[] (size_t sz); |
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| 142 | static void operator delete[] (void *p, size_t sz); |
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| 143 | private: |
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| 144 | // disabled |
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| 145 | explicit sc_logic (const char *); |
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| 146 | sc_logic & operator = (const char *); |
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| 147 | }; |
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| 148 | |
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| 149 | extern const sc_logic SC_LOGIC_0; |
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| 150 | extern const sc_logic SC_LOGIC_1; |
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| 151 | extern const sc_logic SC_LOGIC_Z; |
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| 152 | extern const sc_logic SC_LOGIC_X; |
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| 153 | |
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| 154 | } /* end of sc_dt namespace */ |
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| 155 | |
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| 156 | #endif /* __SC_LOGIC_H__ */ |
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