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comparison druntime/src/compiler/dmd/typeinfo/ti_C.d @ 759:d3eb054172f9

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Added copy of druntime from DMD 2.020 modified for LDC.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Tue, 11 Nov 2008 01:52:37 +0100
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758:f04dde6e882c 759:d3eb054172f9
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 rt.typeinfo.ti_C;
25
26 // Object
27
28 class TypeInfo_C : TypeInfo
29 {
30 override hash_t getHash(in void* p)
31 {
32 Object o = *cast(Object*)p;
33 return o ? o.toHash() : 0;
34 }
35
36 override equals_t equals(in void* p1, in void* p2)
37 {
38 Object o1 = *cast(Object*)p1;
39 Object o2 = *cast(Object*)p2;
40
41 return o1 == o2;
42 }
43
44 override int compare(in void* p1, in void* p2)
45 {
46 Object o1 = *cast(Object*)p1;
47 Object o2 = *cast(Object*)p2;
48 int c = 0;
49
50 // Regard null references as always being "less than"
51 if (!(o1 is o2))
52 {
53 if (o1)
54 { if (!o2)
55 c = 1;
56 else
57 c = o1.opCmp(o2);
58 }
59 else
60 c = -1;
61 }
62 return c;
63 }
64
65 override size_t tsize()
66 {
67 return Object.sizeof;
68 }
69
70 override uint flags()
71 {
72 return 1;
73 }
74 }