1 | /*------------------------------------------------------------\ |
---|
2 | | | |
---|
3 | | Tool : systemcass | |
---|
4 | | | |
---|
5 | | File : sc_logic.h | |
---|
6 | | | |
---|
7 | | Author : Buchmann Richard | |
---|
8 | | | |
---|
9 | | Date : 14_04_2005 | |
---|
10 | | | |
---|
11 | \------------------------------------------------------------*/ |
---|
12 | #ifndef __SC_LOGIC_H__ |
---|
13 | #define __SC_LOGIC_H__ |
---|
14 | |
---|
15 | // ---------------------------------------------------------------------------- |
---|
16 | // CLASS : sc_logic |
---|
17 | // |
---|
18 | // ---------------------------------------------------------------------------- |
---|
19 | |
---|
20 | #include "sc_nbdefs.h" |
---|
21 | #include "sc_fwd.h" |
---|
22 | |
---|
23 | namespace sc_dt { |
---|
24 | |
---|
25 | // ---------------------------------------------------------------------------- |
---|
26 | // ENUM : sc_logic_value_t |
---|
27 | // |
---|
28 | // Enumeration of logic values. |
---|
29 | // ---------------------------------------------------------------------------- |
---|
30 | |
---|
31 | enum sc_logic_value_t { |
---|
32 | Log_0 = 0, |
---|
33 | Log_1, |
---|
34 | Log_Z, |
---|
35 | Log_X |
---|
36 | }; |
---|
37 | |
---|
38 | |
---|
39 | class sc_logic { |
---|
40 | public: |
---|
41 | // constructors & destructor |
---|
42 | sc_logic(); |
---|
43 | sc_logic(const sc_logic & a); |
---|
44 | sc_logic(sc_logic_value_t v); |
---|
45 | explicit sc_logic(bool a); |
---|
46 | explicit sc_logic(char a); |
---|
47 | explicit sc_logic(int a); |
---|
48 | explicit sc_logic(const sc_bit & a); |
---|
49 | ~sc_logic(); |
---|
50 | // assignment operators |
---|
51 | sc_logic & operator = (const sc_logic & a); |
---|
52 | sc_logic & operator = (sc_logic_value_t v); |
---|
53 | sc_logic & operator = (bool a); |
---|
54 | sc_logic & operator = (char a); |
---|
55 | sc_logic & operator = (int a); |
---|
56 | sc_logic & operator = (const sc_bit & a); |
---|
57 | // bitwise assignment operators |
---|
58 | sc_logic & operator &= (const sc_logic & b); |
---|
59 | sc_logic & operator &= (sc_logic_value_t v); |
---|
60 | sc_logic & operator &= (bool b); |
---|
61 | sc_logic & operator &= (char b); |
---|
62 | sc_logic & operator &= (int b); |
---|
63 | sc_logic & operator |= (const sc_logic & b); |
---|
64 | sc_logic & operator |= (sc_logic_value_t v); |
---|
65 | sc_logic & operator |= (bool b); |
---|
66 | sc_logic & operator |= (char b); |
---|
67 | sc_logic & operator |= (int b); |
---|
68 | sc_logic & operator ^= (const sc_logic & b); |
---|
69 | sc_logic & operator ^= (sc_logic_value_t v); |
---|
70 | sc_logic & operator ^= (bool b); |
---|
71 | sc_logic & operator ^= (char b); |
---|
72 | sc_logic & operator ^= (int b); |
---|
73 | // bitwise complement |
---|
74 | const sc_logic operator ~ () const; |
---|
75 | sc_logic & b_not(); |
---|
76 | // bitwise and |
---|
77 | friend const sc_logic operator & (const sc_logic & a, const sc_logic & b); |
---|
78 | friend const sc_logic operator & (const sc_logic & a, sc_logic_value_t b); |
---|
79 | friend const sc_logic operator & (const sc_logic & a, bool b); |
---|
80 | friend const sc_logic operator & (const sc_logic & a, char b); |
---|
81 | friend const sc_logic operator & (const sc_logic & a, int b); |
---|
82 | friend const sc_logic operator & (sc_logic_value_t a, const sc_logic & b); |
---|
83 | friend const sc_logic operator & (bool a, const sc_logic & b); |
---|
84 | friend const sc_logic operator & (char a, const sc_logic & b); |
---|
85 | friend const sc_logic operator & (int a, const sc_logic & b); |
---|
86 | // bitwise or |
---|
87 | friend const sc_logic operator | (const sc_logic & a, const sc_logic & b); |
---|
88 | friend const sc_logic operator | (const sc_logic & a, sc_logic_value_t b); |
---|
89 | friend const sc_logic operator | (const sc_logic & a, bool b); |
---|
90 | friend const sc_logic operator | (const sc_logic & a, char b); |
---|
91 | friend const sc_logic operator | (const sc_logic & a, int b); |
---|
92 | friend const sc_logic operator | (sc_logic_value_t a, const sc_logic & b); |
---|
93 | friend const sc_logic operator | (bool a, const sc_logic & b); |
---|
94 | friend const sc_logic operator | (char a, const sc_logic & b); |
---|
95 | friend const sc_logic operator | (int a, const sc_logic & b); |
---|
96 | // bitwise xor |
---|
97 | friend const sc_logic operator ^ (const sc_logic & a, const sc_logic & b); |
---|
98 | friend const sc_logic operator ^ (const sc_logic & a, sc_logic_value_t b); |
---|
99 | friend const sc_logic operator ^ (const sc_logic & a, bool b); |
---|
100 | friend const sc_logic operator ^ (const sc_logic & a, char b); |
---|
101 | friend const sc_logic operator ^ (const sc_logic & a, int b); |
---|
102 | friend const sc_logic operator ^ (sc_logic_value_t a, const sc_logic & b); |
---|
103 | friend const sc_logic operator ^ (bool a, const sc_logic & b); |
---|
104 | friend const sc_logic operator ^ (char a, const sc_logic & b); |
---|
105 | friend const sc_logic operator ^ (int a, const sc_logic & b); |
---|
106 | // relational operators and functions |
---|
107 | friend bool operator == (const sc_logic & a, const sc_logic & b); |
---|
108 | friend bool operator == (const sc_logic & a, sc_logic_value_t b); |
---|
109 | friend bool operator == (const sc_logic & a, bool b); |
---|
110 | friend bool operator == (const sc_logic & a, char b); |
---|
111 | friend bool operator == (const sc_logic & a, int b); |
---|
112 | friend bool operator == (sc_logic_value_t a, const sc_logic & b); |
---|
113 | friend bool operator == (bool a, const sc_logic & b); |
---|
114 | friend bool operator == (char a, const sc_logic & b); |
---|
115 | friend bool operator == (int a, const sc_logic & b); |
---|
116 | friend bool operator != (const sc_logic & a, const sc_logic & b); |
---|
117 | friend bool operator != (const sc_logic & a, sc_logic_value_t b); |
---|
118 | friend bool operator != (const sc_logic & a, bool b); |
---|
119 | friend bool operator != (const sc_logic & a, char b); |
---|
120 | friend bool operator != (const sc_logic & a, int b); |
---|
121 | friend bool operator != (sc_logic_value_t a, const sc_logic & b); |
---|
122 | friend bool operator != (bool a, const sc_logic & b); |
---|
123 | friend bool operator != (char a, const sc_logic & b); |
---|
124 | friend bool operator != (int a, const sc_logic & b); |
---|
125 | |
---|
126 | // explicit conversions |
---|
127 | sc_logic_value_t value() const; |
---|
128 | bool is_01() const; |
---|
129 | bool to_bool() const; |
---|
130 | char to_char() const; |
---|
131 | |
---|
132 | // memory (de);allocation |
---|
133 | static void * operator new (size_t, void * p); // placement new |
---|
134 | static void * operator new (size_t sz); |
---|
135 | static void operator delete (void * p, size_t sz); |
---|
136 | static void * operator new [] (size_t sz); |
---|
137 | static void operator delete [] (void * p, size_t sz); |
---|
138 | |
---|
139 | private: |
---|
140 | // disabled |
---|
141 | explicit sc_logic (const char *); |
---|
142 | sc_logic & operator = (const char *); |
---|
143 | }; |
---|
144 | |
---|
145 | extern const sc_logic SC_LOGIC_0; |
---|
146 | extern const sc_logic SC_LOGIC_1; |
---|
147 | extern const sc_logic SC_LOGIC_Z; |
---|
148 | extern const sc_logic SC_LOGIC_X; |
---|
149 | |
---|
150 | } /* end of sc_dt namespace */ |
---|
151 | |
---|
152 | #endif /* __SC_LOGIC_H__ */ |
---|
153 | |
---|
154 | /* |
---|
155 | # Local Variables: |
---|
156 | # tab-width: 4; |
---|
157 | # c-basic-offset: 4; |
---|
158 | # c-file-offsets:((innamespace . 0)(inline-open . 0)); |
---|
159 | # indent-tabs-mode: nil; |
---|
160 | # End: |
---|
161 | # |
---|
162 | # vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=4:softtabstop=4 |
---|
163 | */ |
---|
164 | |
---|