rt.compiler.ldc.typeinfo.ti

1 
2 module rt.compiler.ldc.typeinfo.ti_Along;
3 
4 private import tango.stdc.string : memcmp;
5 private import rt.compiler.util.hash;
6 
7 // long[]
8 
9 class TypeInfo_Al : TypeInfo_Array
10 {
11     override char[] toString() { return "long[]"; }
12 
13     override hash_t getHash(in void* p)
14     {   long[] s = *cast(long[]*)p;
15         size_t len = s.length;
16         auto str = s.ptr;
17         return rt_hash_str(str,len*long.sizeof,0);
18     }
19 
20     override equals_t equals(in void* p1, in void* p2)
21     {
22         long[] s1 = *cast(long[]*)p1;
23         long[] s2 = *cast(long[]*)p2;
24 
25         return s1.length == s2.length &&
26                memcmp(cast(void *)s1, cast(void *)s2, s1.length * long.sizeof) == 0;
27     }
28 
29     override int compare(in void* p1, in void* p2)
30     {
31         long[] s1 = *cast(long[]*)p1;
32         long[] s2 = *cast(long[]*)p2;
33         size_t len = s1.length;
34 
35         if (s2.length < len)
36             len = s2.length;
37         for (size_t u = 0; u < len; u++)
38         {
39             if (s1[u] < s2[u])
40                 return -1;
41             else if (s1[u] > s2[u])
42                 return 1;
43         }
44         if (s1.length < s2.length)
45             return -1;
46         else if (s1.length > s2.length)
47             return 1;
48         return 0;
49     }
50 
51     override size_t talign()
52     {
53         return (long[]).alignof;
54     }
55 
56     override size_t tsize()
57     {
58         return (long[]).sizeof;
59     }
60 
61     override uint flags()
62     {
63         return 1;
64     }
65 
66     override TypeInfo next()
67     {
68         return typeid(long);
69     }
70 }
71 
72 
73 // ulong[]
74 
75 class TypeInfo_Am : TypeInfo_Al
76 {
77     override char[] toString() { return "ulong[]"; }
78 
79     override int compare(in void* p1, in void* p2)
80     {
81         ulong[] s1 = *cast(ulong[]*)p1;
82         ulong[] s2 = *cast(ulong[]*)p2;
83         size_t len = s1.length;
84 
85         if (s2.length < len)
86             len = s2.length;
87         for (size_t u = 0; u < len; u++)
88         {
89             if (s1[u] < s2[u])
90                 return -1;
91             else if (s1[u] > s2[u])
92                 return 1;
93         }
94         if (s1.length < s2.length)
95             return -1;
96         else if (s1.length > s2.length)
97             return 1;
98         return 0;
99     }
100 
101     override TypeInfo next()
102     {
103         return typeid(ulong);
104     }
105 }