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annotate druntime/src/compiler/ldc/typeinfo/ti_Ashort.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_Ashort;
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14
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15 private import core.stdc.string;
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16
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17 // short[]
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18
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19 class TypeInfo_As : TypeInfo
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20 {
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21 override string toString() { return "short[]"; }
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22
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23 override hash_t getHash(in void* p)
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24 { short[] s = *cast(short[]*)p;
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25 size_t len = s.length;
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26 short *str = s.ptr;
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27 hash_t hash = 0;
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28
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29 while (1)
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30 {
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31 switch (len)
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32 {
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33 case 0:
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34 return hash;
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35
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36 case 1:
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37 hash *= 9;
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38 hash += *cast(ushort *)str;
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39 return hash;
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40
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41 default:
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42 hash *= 9;
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43 hash += *cast(uint *)str;
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44 str += 2;
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45 len -= 2;
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46 break;
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47 }
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48 }
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49
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50 return hash;
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51 }
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52
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53 override equals_t equals(in void* p1, in void* p2)
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54 {
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55 short[] s1 = *cast(short[]*)p1;
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56 short[] s2 = *cast(short[]*)p2;
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57
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58 return s1.length == s2.length &&
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59 memcmp(cast(void *)s1, cast(void *)s2, s1.length * short.sizeof) == 0;
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60 }
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61
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62 override int compare(in void* p1, in void* p2)
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63 {
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64 short[] s1 = *cast(short[]*)p1;
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65 short[] s2 = *cast(short[]*)p2;
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66 size_t len = s1.length;
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67
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68 if (s2.length < len)
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69 len = s2.length;
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70 for (size_t u = 0; u < len; u++)
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71 {
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72 int result = s1[u] - s2[u];
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73 if (result)
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74 return result;
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75 }
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76 if (s1.length < s2.length)
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77 return -1;
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78 else if (s1.length > s2.length)
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79 return 1;
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80 return 0;
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81 }
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82
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83 override size_t tsize()
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84 {
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85 return (short[]).sizeof;
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86 }
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87
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88 override uint flags()
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89 {
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90 return 1;
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91 }
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92
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93 override TypeInfo next()
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94 {
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95 return typeid(short);
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96 }
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97 }
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98
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99
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100 // ushort[]
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101
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102 class TypeInfo_At : TypeInfo_As
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103 {
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104 override string toString() { return "ushort[]"; }
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105
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106 override int compare(in void* p1, in void* p2)
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107 {
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108 ushort[] s1 = *cast(ushort[]*)p1;
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109 ushort[] s2 = *cast(ushort[]*)p2;
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110 size_t len = s1.length;
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111
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112 if (s2.length < len)
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113 len = s2.length;
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114 for (size_t u = 0; u < len; u++)
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115 {
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116 int result = s1[u] - s2[u];
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117 if (result)
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118 return result;
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119 }
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120 if (s1.length < s2.length)
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121 return -1;
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122 else if (s1.length > s2.length)
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123 return 1;
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124 return 0;
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125 }
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126
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127 override TypeInfo next()
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128 {
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129 return typeid(ushort);
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130 }
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131 }
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132
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133 // wchar[]
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134
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135 class TypeInfo_Au : TypeInfo_At
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136 {
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137 override string toString() { return "wchar[]"; }
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138
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139 override TypeInfo next()
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140 {
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141 return typeid(wchar);
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142 }
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143 }