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annotate druntime/src/compiler/ldc/typeinfo/ti_AC.d @ 1458:e0b2d67cfe7c

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Added druntime (this should be removed once it works).
author Robert Clipsham <robert@octarineparrot.com>
date Tue, 02 Jun 2009 17:43:06 +0100
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1458
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1 /**
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2 * TypeInfo support code.
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3 *
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4 * Copyright: Copyright Digital Mars 2004 - 2009.
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5 * License: <a href="http://www.boost.org/LICENSE_1_0.txt>Boost License 1.0</a>.
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6 * Authors: Walter Bright
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7 *
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8 * Copyright Digital Mars 2004 - 2009.
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9 * Distributed under the Boost Software License, Version 1.0.
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10 * (See accompanying file LICENSE_1_0.txt or copy at
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11 * http://www.boost.org/LICENSE_1_0.txt)
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12 */
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13 module rt.typeinfo.ti_AC;
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14
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15 // Object[]
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16
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17 class TypeInfo_AC : TypeInfo
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18 {
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19 override hash_t getHash(in void* p)
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20 { Object[] s = *cast(Object[]*)p;
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21 hash_t hash = 0;
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22
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23 foreach (Object o; s)
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24 {
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25 if (o)
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26 hash += o.toHash();
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27 }
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28 return hash;
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29 }
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30
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31 override equals_t equals(in void* p1, in void* p2)
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32 {
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33 Object[] s1 = *cast(Object[]*)p1;
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34 Object[] s2 = *cast(Object[]*)p2;
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35
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36 if (s1.length == s2.length)
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37 {
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38 for (size_t u = 0; u < s1.length; u++)
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39 { Object o1 = s1[u];
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40 Object o2 = s2[u];
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41
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42 // Do not pass null's to Object.opEquals()
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43 if (o1 is o2 ||
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44 (!(o1 is null) && !(o2 is null) && o1.opEquals(o2)))
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45 continue;
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46 return false;
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47 }
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48 return true;
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49 }
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50 return false;
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51 }
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52
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53 override int compare(in void* p1, in void* p2)
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54 {
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55 Object[] s1 = *cast(Object[]*)p1;
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56 Object[] s2 = *cast(Object[]*)p2;
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57 ptrdiff_t c;
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58
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59 c = cast(ptrdiff_t)s1.length - cast(ptrdiff_t)s2.length;
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60 if (c == 0)
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61 {
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62 for (size_t u = 0; u < s1.length; u++)
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63 { Object o1 = s1[u];
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64 Object o2 = s2[u];
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65
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66 if (o1 is o2)
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67 continue;
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68
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69 // Regard null references as always being "less than"
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70 if (o1)
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71 {
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72 if (!o2)
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73 { c = 1;
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74 break;
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75 }
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76 c = o1.opCmp(o2);
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77 if (c)
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78 break;
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79 }
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80 else
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81 { c = -1;
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82 break;
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83 }
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84 }
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85 }
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86 if (c < 0)
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87 c = -1;
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88 else if (c > 0)
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89 c = 1;
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90 return c;
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91 }
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92
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93 override size_t tsize()
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94 {
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95 return (Object[]).sizeof;
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96 }
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97
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98 override uint flags()
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99 {
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100 return 1;
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101 }
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102
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103 override TypeInfo next()
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104 {
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105 return typeid(Object);
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106 }
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107 }