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comparison lphobos/typeinfo2/ti_C.d @ 106:5b5194b25f33 trunk

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[svn r110] Fixed typeinfo for classes.
author lindquist
date Mon, 19 Nov 2007 06:01:48 +0100
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children 79c9ac745fbc
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105:182b41f56b7f 106:5b5194b25f33
1 /*
2 * Copyright (C) 2004-2005 by Digital Mars, www.digitalmars.com
3 * Written by Walter Bright
4 *
5 * This software is provided 'as-is', without any express or implied
6 * warranty. In no event will the authors be held liable for any damages
7 * arising from the use of this software.
8 *
9 * Permission is granted to anyone to use this software for any purpose,
10 * including commercial applications, and to alter it and redistribute it
11 * freely, in both source and binary form, subject to the following
12 * restrictions:
13 *
14 * o The origin of this software must not be misrepresented; you must not
15 * claim that you wrote the original software. If you use this software
16 * in a product, an acknowledgment in the product documentation would be
17 * appreciated but is not required.
18 * o Altered source versions must be plainly marked as such, and must not
19 * be misrepresented as being the original software.
20 * o This notice may not be removed or altered from any source
21 * distribution.
22 */
23
24 module std.typeinfo.ti_C;
25
26 // Object
27
28 class TypeInfo_C : TypeInfo
29 {
30 hash_t getHash(void *p)
31 {
32 Object o = *cast(Object*)p;
33 assert(o);
34 return o.toHash();
35 }
36
37 int equals(void *p1, void *p2)
38 {
39 Object o1 = *cast(Object*)p1;
40 Object o2 = *cast(Object*)p2;
41
42 return o1 == o2;
43 }
44
45 int compare(void *p1, void *p2)
46 {
47 Object o1 = *cast(Object*)p1;
48 Object o2 = *cast(Object*)p2;
49 int c = 0;
50
51 // Regard null references as always being "less than"
52 if (!(o1 is o2))
53 {
54 if (o1)
55 { if (!o2)
56 c = 1;
57 else
58 c = o1.opCmp(o2);
59 }
60 else
61 c = -1;
62 }
63 return c;
64 }
65
66 size_t tsize()
67 {
68 return Object.sizeof;
69 }
70
71 uint flags()
72 {
73 return 1;
74 }
75 }
76