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annotate dmd2/array.c @ 1083:c1e9f612e2e2

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Fix for dual operand form of fistp, also make reg ST(0) explicit and fix lindquists previous code that allowed dual operand form of fstp but dissallowed the single operand form accidently
author Kelly Wilson <wilsonk cpsc.ucalgary.ca>
date Tue, 10 Mar 2009 06:23:26 -0600
parents f04dde6e882c
children
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1
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2 // Copyright (c) 1999-2006 by Digital Mars
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3 // All Rights Reserved
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4 // written by Walter Bright
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5 // www.digitalmars.com
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6 // License for redistribution is by either the Artistic License
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7 // in artistic.txt, or the GNU General Public License in gnu.txt.
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8 // See the included readme.txt for details.
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10 #include <stdio.h>
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11 #include <stdlib.h>
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12 #include <stdarg.h>
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13 #include <string.h>
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14 #include <assert.h>
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15
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16 #if _MSC_VER || __MINGW32__
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17 #include <malloc.h>
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18 #endif
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20 #if IN_GCC
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21 #include "gdc_alloca.h"
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22 #endif
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23
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24 #if _WIN32
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25 #include <windows.h>
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26 #endif
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28 #ifndef _WIN32
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29 #include <sys/types.h>
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30 #include <sys/stat.h>
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31 #include <fcntl.h>
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32 #include <errno.h>
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33 #include <unistd.h>
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34 #include <utime.h>
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35 #endif
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36
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37 #include "port.h"
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38 #include "root.h"
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39 #include "dchar.h"
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40 #include "mem.h"
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43 /********************************* Array ****************************/
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44
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45 Array::Array()
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46 {
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47 data = NULL;
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48 dim = 0;
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49 allocdim = 0;
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50 }
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51
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52 Array::~Array()
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53 {
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54 mem.free(data);
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55 }
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56
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57 void Array::mark()
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58 { unsigned u;
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59
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60 mem.mark(data);
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61 for (u = 0; u < dim; u++)
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62 mem.mark(data[u]); // BUG: what if arrays of Object's?
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63 }
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64
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65 void Array::reserve(unsigned nentries)
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66 {
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67 //printf("Array::reserve: size = %d, offset = %d, nbytes = %d\n", size, offset, nbytes);
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68 if (allocdim - dim < nentries)
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69 {
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70 allocdim = dim + nentries;
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71 data = (void **)mem.realloc(data, allocdim * sizeof(*data));
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72 }
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73 }
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74
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75 void Array::setDim(unsigned newdim)
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76 {
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77 if (dim < newdim)
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78 {
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79 reserve(newdim - dim);
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80 }
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81 dim = newdim;
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82 }
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83
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84 void Array::fixDim()
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85 {
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86 if (dim != allocdim)
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87 { data = (void **)mem.realloc(data, dim * sizeof(*data));
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88 allocdim = dim;
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89 }
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90 }
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91
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92 void Array::push(void *ptr)
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93 {
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94 reserve(1);
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95 data[dim++] = ptr;
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96 }
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97
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98 void *Array::pop()
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99 {
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100 return data[--dim];
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101 }
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102
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103 void Array::shift(void *ptr)
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104 {
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105 reserve(1);
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106 memmove(data + 1, data, dim * sizeof(*data));
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107 data[0] = ptr;
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108 dim++;
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109 }
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110
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111 void Array::insert(unsigned index, void *ptr)
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112 {
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113 reserve(1);
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114 memmove(data + index + 1, data + index, (dim - index) * sizeof(*data));
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115 data[index] = ptr;
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116 dim++;
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117 }
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118
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119
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120 void Array::insert(unsigned index, Array *a)
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121 {
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122 if (a)
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123 { unsigned d;
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124
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125 d = a->dim;
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126 reserve(d);
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127 if (dim != index)
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128 memmove(data + index + d, data + index, (dim - index) * sizeof(*data));
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129 memcpy(data + index, a->data, d * sizeof(*data));
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130 dim += d;
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131 }
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132 }
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133
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134
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135 /***********************************
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136 * Append array a to this array.
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137 */
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138
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139 void Array::append(Array *a)
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140 {
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141 insert(dim, a);
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142 }
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143
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144 void Array::remove(unsigned i)
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145 {
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146 memmove(data + i, data + i + 1, (dim - i) * sizeof(data[0]));
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147 dim--;
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148 }
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149
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150 char *Array::toChars()
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151 {
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152 unsigned len;
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153 unsigned u;
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154 char **buf;
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155 char *str;
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156 char *p;
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157
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158 buf = (char **)alloca(dim * sizeof(char *));
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159 len = 2;
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160 for (u = 0; u < dim; u++)
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161 {
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162 buf[u] = ((Object *)data[u])->toChars();
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163 len += strlen(buf[u]) + 1;
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164 }
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165 str = (char *)mem.malloc(len);
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166
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167 str[0] = '[';
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168 p = str + 1;
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169 for (u = 0; u < dim; u++)
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170 {
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171 if (u)
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172 *p++ = ',';
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173 len = strlen(buf[u]);
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174 memcpy(p,buf[u],len);
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175 p += len;
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176 }
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177 *p++ = ']';
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178 *p = 0;
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179 return str;
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180 }
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181
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182 void Array::zero()
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183 {
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184 memset(data,0,dim * sizeof(data[0]));
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185 }
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186
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187 void *Array::tos()
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188 {
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189 return dim ? data[dim - 1] : NULL;
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190 }
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191
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192 int
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193 #if _WIN32
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194 __cdecl
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195 #endif
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196 Array_sort_compare(const void *x, const void *y)
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197 {
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198 Object *ox = *(Object **)x;
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199 Object *oy = *(Object **)y;
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200
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201 return ox->compare(oy);
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202 }
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203
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204 void Array::sort()
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205 {
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206 if (dim)
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207 {
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208 qsort(data, dim, sizeof(Object *), Array_sort_compare);
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209 }
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210 }
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211
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212 Array *Array::copy()
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213 {
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214 Array *a = new Array();
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215
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216 a->setDim(dim);
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217 memcpy(a->data, data, dim * sizeof(void *));
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218 return a;
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219 }
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220