Mercurial > projects > ldc
annotate druntime/src/compiler/dmd/aApply.d @ 759:d3eb054172f9
Added copy of druntime from DMD 2.020 modified for LDC.
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Tue, 11 Nov 2008 01:52:37 +0100 |
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759
d3eb054172f9
Added copy of druntime from DMD 2.020 modified for LDC.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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1 /** |
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2 * Part of the D programming language runtime library. |
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3 */ |
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4 |
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5 /* |
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6 * Copyright (C) 2004-2006 by Digital Mars, www.digitalmars.com |
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7 * Written by Walter Bright |
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8 * |
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9 * This software is provided 'as-is', without any express or implied |
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10 * warranty. In no event will the authors be held liable for any damages |
d3eb054172f9
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11 * arising from the use of this software. |
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12 * |
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13 * Permission is granted to anyone to use this software for any purpose, |
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14 * including commercial applications, and to alter it and redistribute it |
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15 * freely, in both source and binary form, subject to the following |
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16 * restrictions: |
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17 * |
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18 * o The origin of this software must not be misrepresented; you must not |
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19 * claim that you wrote the original software. If you use this software |
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20 * in a product, an acknowledgment in the product documentation would be |
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21 * appreciated but is not required. |
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22 * o Altered source versions must be plainly marked as such, and must not |
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23 * be misrepresented as being the original software. |
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24 * o This notice may not be removed or altered from any source |
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25 * distribution. |
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26 */ |
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27 |
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28 /* |
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29 * Modified by Sean Kelly for use with the D Runtime Project |
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30 */ |
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31 |
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32 module rt.aApply; |
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33 |
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34 /* This code handles decoding UTF strings for foreach loops. |
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35 * There are 6 combinations of conversions between char, wchar, |
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36 * and dchar, and 2 of each of those. |
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37 */ |
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38 |
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39 private import util.utf; |
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40 |
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41 /********************************************** |
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42 */ |
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43 |
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44 // dg is D, but _aApplycd() is C |
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45 extern (D) typedef int delegate(void *) dg_t; |
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46 |
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47 extern (C) int _aApplycd1(char[] aa, dg_t dg) |
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48 { int result; |
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49 size_t i; |
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50 size_t len = aa.length; |
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51 |
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52 debug(apply) printf("_aApplycd1(), len = %d\n", len); |
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53 for (i = 0; i < len; ) |
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54 { dchar d; |
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55 |
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56 d = aa[i]; |
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57 if (d & 0x80) |
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58 d = decode(aa, i); |
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59 else |
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60 i++; |
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61 result = dg(cast(void *)&d); |
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62 if (result) |
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63 break; |
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64 } |
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65 return result; |
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66 } |
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67 |
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68 extern (C) int _aApplywd1(wchar[] aa, dg_t dg) |
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69 { int result; |
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70 size_t i; |
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71 size_t len = aa.length; |
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72 |
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73 debug(apply) printf("_aApplywd1(), len = %d\n", len); |
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74 for (i = 0; i < len; ) |
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75 { dchar d; |
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76 |
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77 d = aa[i]; |
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78 if (d & ~0x7F) |
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79 d = decode(aa, i); |
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80 else |
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81 i++; |
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82 result = dg(cast(void *)&d); |
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83 if (result) |
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84 break; |
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85 } |
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86 return result; |
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87 } |
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88 |
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89 extern (C) int _aApplycw1(char[] aa, dg_t dg) |
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90 { int result; |
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91 size_t i; |
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92 size_t len = aa.length; |
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93 |
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94 debug(apply) printf("_aApplycw1(), len = %d\n", len); |
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95 for (i = 0; i < len; ) |
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96 { dchar d; |
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97 wchar w; |
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98 |
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99 w = aa[i]; |
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100 if (w & 0x80) |
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101 { d = decode(aa, i); |
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102 if (d <= 0xFFFF) |
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103 w = cast(wchar) d; |
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104 else |
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105 { |
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106 w = cast(wchar)((((d - 0x10000) >> 10) & 0x3FF) + 0xD800); |
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107 result = dg(cast(void *)&w); |
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108 if (result) |
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109 break; |
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110 w = cast(wchar)(((d - 0x10000) & 0x3FF) + 0xDC00); |
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111 } |
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112 } |
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113 else |
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114 i++; |
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115 result = dg(cast(void *)&w); |
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116 if (result) |
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117 break; |
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118 } |
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119 return result; |
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120 } |
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121 |
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122 extern (C) int _aApplywc1(wchar[] aa, dg_t dg) |
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123 { int result; |
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124 size_t i; |
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125 size_t len = aa.length; |
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126 |
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127 debug(apply) printf("_aApplywc1(), len = %d\n", len); |
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128 for (i = 0; i < len; ) |
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129 { dchar d; |
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130 wchar w; |
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131 char c; |
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132 |
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133 w = aa[i]; |
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134 if (w & ~0x7F) |
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135 { |
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136 char[4] buf; |
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137 |
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138 d = decode(aa, i); |
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139 auto b = toUTF8(buf, d); |
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140 foreach (char c2; b) |
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141 { |
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142 result = dg(cast(void *)&c2); |
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143 if (result) |
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144 return result; |
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145 } |
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146 continue; |
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147 } |
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148 else |
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149 { c = cast(char)w; |
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150 i++; |
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151 } |
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152 result = dg(cast(void *)&c); |
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153 if (result) |
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154 break; |
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155 } |
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156 return result; |
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157 } |
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158 |
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159 extern (C) int _aApplydc1(dchar[] aa, dg_t dg) |
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160 { int result; |
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161 |
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162 debug(apply) printf("_aApplydc1(), len = %d\n", aa.length); |
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163 foreach (dchar d; aa) |
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164 { |
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165 char c; |
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166 |
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167 if (d & ~0x7F) |
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168 { |
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169 char[4] buf; |
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170 |
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171 auto b = toUTF8(buf, d); |
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172 foreach (char c2; b) |
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173 { |
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174 result = dg(cast(void *)&c2); |
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175 if (result) |
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176 return result; |
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177 } |
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178 continue; |
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179 } |
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180 else |
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181 { |
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182 c = cast(char)d; |
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183 } |
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184 result = dg(cast(void *)&c); |
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185 if (result) |
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186 break; |
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187 } |
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188 return result; |
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189 } |
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190 |
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191 extern (C) int _aApplydw1(dchar[] aa, dg_t dg) |
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192 { int result; |
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193 |
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194 debug(apply) printf("_aApplydw1(), len = %d\n", aa.length); |
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195 foreach (dchar d; aa) |
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196 { |
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197 wchar w; |
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198 |
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199 if (d <= 0xFFFF) |
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200 w = cast(wchar) d; |
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201 else |
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202 { |
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203 w = cast(wchar)((((d - 0x10000) >> 10) & 0x3FF) + 0xD800); |
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204 result = dg(cast(void *)&w); |
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205 if (result) |
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206 break; |
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207 w = cast(wchar)(((d - 0x10000) & 0x3FF) + 0xDC00); |
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208 } |
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209 result = dg(cast(void *)&w); |
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210 if (result) |
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211 break; |
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212 } |
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213 return result; |
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214 } |
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215 |
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216 |
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|
217 /****************************************************************************/ |
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218 |
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219 // dg is D, but _aApplycd2() is C |
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220 extern (D) typedef int delegate(void *, void *) dg2_t; |
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221 |
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222 extern (C) int _aApplycd2(char[] aa, dg2_t dg) |
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223 { int result; |
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224 size_t i; |
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225 size_t n; |
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226 size_t len = aa.length; |
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227 |
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228 debug(apply) printf("_aApplycd2(), len = %d\n", len); |
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229 for (i = 0; i < len; i += n) |
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230 { dchar d; |
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231 |
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232 d = aa[i]; |
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233 if (d & 0x80) |
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234 { |
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235 n = i; |
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236 d = decode(aa, n); |
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237 n -= i; |
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238 } |
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239 else |
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240 n = 1; |
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241 result = dg(&i, cast(void *)&d); |
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242 if (result) |
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243 break; |
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244 } |
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245 return result; |
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246 } |
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247 |
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248 extern (C) int _aApplywd2(wchar[] aa, dg2_t dg) |
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249 { int result; |
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250 size_t i; |
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251 size_t n; |
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252 size_t len = aa.length; |
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253 |
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254 debug(apply) printf("_aApplywd2(), len = %d\n", len); |
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255 for (i = 0; i < len; i += n) |
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256 { dchar d; |
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257 |
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258 d = aa[i]; |
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259 if (d & ~0x7F) |
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260 { |
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261 n = i; |
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262 d = decode(aa, n); |
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263 n -= i; |
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264 } |
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265 else |
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266 n = 1; |
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267 result = dg(&i, cast(void *)&d); |
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268 if (result) |
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269 break; |
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270 } |
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271 return result; |
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272 } |
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273 |
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274 extern (C) int _aApplycw2(char[] aa, dg2_t dg) |
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275 { int result; |
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276 size_t i; |
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277 size_t n; |
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278 size_t len = aa.length; |
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279 |
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280 debug(apply) printf("_aApplycw2(), len = %d\n", len); |
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281 for (i = 0; i < len; i += n) |
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282 { dchar d; |
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283 wchar w; |
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284 |
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285 w = aa[i]; |
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286 if (w & 0x80) |
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287 { n = i; |
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288 d = decode(aa, n); |
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289 n -= i; |
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290 if (d <= 0xFFFF) |
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291 w = cast(wchar) d; |
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292 else |
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293 { |
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294 w = cast(wchar) ((((d - 0x10000) >> 10) & 0x3FF) + 0xD800); |
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295 result = dg(&i, cast(void *)&w); |
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296 if (result) |
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297 break; |
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298 w = cast(wchar) (((d - 0x10000) & 0x3FF) + 0xDC00); |
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|
299 } |
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300 } |
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|
301 else |
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302 n = 1; |
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303 result = dg(&i, cast(void *)&w); |
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304 if (result) |
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|
305 break; |
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306 } |
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307 return result; |
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308 } |
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309 |
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310 extern (C) int _aApplywc2(wchar[] aa, dg2_t dg) |
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311 { int result; |
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312 size_t i; |
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313 size_t n; |
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314 size_t len = aa.length; |
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315 |
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|
316 debug(apply) printf("_aApplywc2(), len = %d\n", len); |
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|
317 for (i = 0; i < len; i += n) |
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318 { dchar d; |
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319 wchar w; |
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320 char c; |
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321 |
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|
322 w = aa[i]; |
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|
323 if (w & ~0x7F) |
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|
324 { |
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|
325 char[4] buf; |
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326 |
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327 n = i; |
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328 d = decode(aa, n); |
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329 n -= i; |
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|
330 auto b = toUTF8(buf, d); |
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|
331 foreach (char c2; b) |
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|
332 { |
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|
333 result = dg(&i, cast(void *)&c2); |
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|
334 if (result) |
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|
335 return result; |
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|
336 } |
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|
337 continue; |
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338 } |
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339 else |
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340 { c = cast(char)w; |
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341 n = 1; |
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342 } |
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343 result = dg(&i, cast(void *)&c); |
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344 if (result) |
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345 break; |
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346 } |
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347 return result; |
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348 } |
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349 |
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350 extern (C) int _aApplydc2(dchar[] aa, dg2_t dg) |
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351 { int result; |
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352 size_t i; |
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353 size_t len = aa.length; |
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354 |
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355 debug(apply) printf("_aApplydc2(), len = %d\n", len); |
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356 for (i = 0; i < len; i++) |
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357 { dchar d; |
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358 char c; |
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359 |
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360 d = aa[i]; |
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361 if (d & ~0x7F) |
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362 { |
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363 char[4] buf; |
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364 |
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365 auto b = toUTF8(buf, d); |
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366 foreach (char c2; b) |
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367 { |
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368 result = dg(&i, cast(void *)&c2); |
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369 if (result) |
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370 return result; |
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371 } |
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372 continue; |
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373 } |
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374 else |
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375 { c = cast(char)d; |
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376 } |
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Added copy of druntime from DMD 2.020 modified for LDC.
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377 result = dg(&i, cast(void *)&c); |
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378 if (result) |
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379 break; |
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380 } |
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381 return result; |
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382 } |
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383 |
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384 extern (C) int _aApplydw2(dchar[] aa, dg2_t dg) |
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385 { int result; |
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386 |
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387 debug(apply) printf("_aApplydw2(), len = %d\n", aa.length); |
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388 foreach (size_t i, dchar d; aa) |
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389 { |
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390 wchar w; |
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391 auto j = i; |
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392 |
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Added copy of druntime from DMD 2.020 modified for LDC.
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393 if (d <= 0xFFFF) |
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394 w = cast(wchar) d; |
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395 else |
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Added copy of druntime from DMD 2.020 modified for LDC.
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396 { |
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397 w = cast(wchar) ((((d - 0x10000) >> 10) & 0x3FF) + 0xD800); |
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398 result = dg(&j, cast(void *)&w); |
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399 if (result) |
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parents:
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|
400 break; |
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Added copy of druntime from DMD 2.020 modified for LDC.
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|
401 w = cast(wchar) (((d - 0x10000) & 0x3FF) + 0xDC00); |
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Added copy of druntime from DMD 2.020 modified for LDC.
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parents:
diff
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|
402 } |
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Added copy of druntime from DMD 2.020 modified for LDC.
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|
403 result = dg(&j, cast(void *)&w); |
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Added copy of druntime from DMD 2.020 modified for LDC.
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parents:
diff
changeset
|
404 if (result) |
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Added copy of druntime from DMD 2.020 modified for LDC.
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changeset
|
405 break; |
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Added copy of druntime from DMD 2.020 modified for LDC.
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diff
changeset
|
406 } |
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Added copy of druntime from DMD 2.020 modified for LDC.
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parents:
diff
changeset
|
407 return result; |
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Added copy of druntime from DMD 2.020 modified for LDC.
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parents:
diff
changeset
|
408 } |