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annotate druntime/src/compiler/ldc/typeinfo/ti_Aint.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_Aint;
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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 // int[]
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18
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19 class TypeInfo_Ai : TypeInfo
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20 {
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21 override string toString() { return "int[]"; }
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22
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23 override hash_t getHash(in void* p)
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24 { int[] s = *cast(int[]*)p;
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25 auto len = s.length;
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26 auto str = s.ptr;
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27 hash_t hash = 0;
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28
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29 while (len)
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30 {
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31 hash *= 9;
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32 hash += *cast(uint *)str;
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33 str++;
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34 len--;
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35 }
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36
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37 return hash;
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38 }
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39
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40 override equals_t equals(in void* p1, in void* p2)
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41 {
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42 int[] s1 = *cast(int[]*)p1;
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43 int[] s2 = *cast(int[]*)p2;
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44
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45 return s1.length == s2.length &&
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46 memcmp(cast(void *)s1, cast(void *)s2, s1.length * int.sizeof) == 0;
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47 }
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48
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49 override int compare(in void* p1, in void* p2)
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50 {
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51 int[] s1 = *cast(int[]*)p1;
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52 int[] s2 = *cast(int[]*)p2;
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53 size_t len = s1.length;
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54
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55 if (s2.length < len)
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56 len = s2.length;
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57 for (size_t u = 0; u < len; u++)
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58 {
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59 int result = s1[u] - s2[u];
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60 if (result)
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61 return result;
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62 }
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63 if (s1.length < s2.length)
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64 return -1;
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65 else if (s1.length > s2.length)
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66 return 1;
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67 return 0;
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68 }
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69
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70 override size_t tsize()
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71 {
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72 return (int[]).sizeof;
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73 }
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74
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75 override uint flags()
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76 {
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77 return 1;
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78 }
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79
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80 override TypeInfo next()
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81 {
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82 return typeid(int);
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83 }
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84 }
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85
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86 unittest
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87 {
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88 int[][] a = [[5,3,8,7], [2,5,3,8,7]];
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89 a.sort;
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90 assert(a == [[2,5,3,8,7], [5,3,8,7]]);
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91
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92 a = [[5,3,8,7], [5,3,8]];
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93 a.sort;
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94 assert(a == [[5,3,8], [5,3,8,7]]);
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95 }
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96
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97 // uint[]
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98
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99 class TypeInfo_Ak : TypeInfo_Ai
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100 {
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101 override string toString() { return "uint[]"; }
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102
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103 override int compare(in void* p1, in void* p2)
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104 {
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105 uint[] s1 = *cast(uint[]*)p1;
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106 uint[] s2 = *cast(uint[]*)p2;
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107 size_t len = s1.length;
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108
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109 if (s2.length < len)
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110 len = s2.length;
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111 for (size_t u = 0; u < len; u++)
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112 {
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113 int result = s1[u] - s2[u];
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114 if (result)
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115 return result;
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116 }
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117 if (s1.length < s2.length)
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118 return -1;
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119 else if (s1.length > s2.length)
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120 return 1;
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121 return 0;
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122 }
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123
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124 override TypeInfo next()
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125 {
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126 return typeid(uint);
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127 }
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128 }
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129
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130 // dchar[]
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131
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132 class TypeInfo_Aw : TypeInfo_Ak
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133 {
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diff changeset
134 override string toString() { return "dchar[]"; }
e0b2d67cfe7c Added druntime (this should be removed once it works).
Robert Clipsham <robert@octarineparrot.com>
parents:
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135
e0b2d67cfe7c Added druntime (this should be removed once it works).
Robert Clipsham <robert@octarineparrot.com>
parents:
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136 override TypeInfo next()
e0b2d67cfe7c Added druntime (this should be removed once it works).
Robert Clipsham <robert@octarineparrot.com>
parents:
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137 {
e0b2d67cfe7c Added druntime (this should be removed once it works).
Robert Clipsham <robert@octarineparrot.com>
parents:
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138 return typeid(dchar);
e0b2d67cfe7c Added druntime (this should be removed once it works).
Robert Clipsham <robert@octarineparrot.com>
parents:
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139 }
e0b2d67cfe7c Added druntime (this should be removed once it works).
Robert Clipsham <robert@octarineparrot.com>
parents:
diff changeset
140 }