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annotate java/src/java/lang/System.d @ 21:9b96950f2c3c

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the 'java' tree compiles on both D1-Tango and D2-Phobos
author Frank Benoit <benoit@tionex.de>
date Thu, 19 Mar 2009 20:38:55 +0100
parents 6dd524f61e62
children
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1 /**
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2 * Authors: Frank Benoit <keinfarbton@googlemail.com>
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3 */
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4 module java.lang.System;
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5
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6 import java.lang.util;
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7 import java.lang.exceptions;
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8
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9 version(Tango){
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10 static import tango.sys.Environment;
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11 static import tango.core.Exception;
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12 static import tango.io.model.IFile;
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13 static import tango.time.Clock;
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14 static import tango.stdc.stdlib;
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15 } else { // Phobos
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16 static import std.c.stdlib;
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17 static import std.date;
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18 static import std.path;
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19 }
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20
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21 template SimpleType(T) {
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22 debug{
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23 static void validCheck(uint SrcLen, uint DestLen, uint copyLen){
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24 if(SrcLen < copyLen || DestLen < copyLen|| SrcLen < 0 || DestLen < 0){
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25 //Util.trace("Error : SimpleType.arraycopy(), out of bounds.");
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26 assert(0);
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27 }
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28 }
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29 }
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30
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31 static void remove(inout T[] items, int index) {
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32 if(items.length == 0)
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33 return;
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34
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35 if(index < 0 || index >= items.length){
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36 throw new ArrayIndexOutOfBoundsException(__FILE__, __LINE__);
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37 }
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38
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39 T element = items[index];
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40
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41 int length = items.length;
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42 if(length == 1){
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43 items.length = 0;
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44 return;// element;
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45 }
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46
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47 if(index == 0)
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48 items = items[1 .. $];
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49 else if(index == length - 1)
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50 items = items[0 .. index];
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51 else
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52 items = items[0 .. index] ~ items[index + 1 .. $];
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53 }
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54
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55 static void insert(inout T[] items, T item, int index = -1) {
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56 if(index == -1)
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57 index = items.length;
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58
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59 if(index < 0 || index > items.length ){
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60 throw new ArrayIndexOutOfBoundsException(__FILE__, __LINE__);
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61 }
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62
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63 if(index == items.length){
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64 items ~= item;
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65 }else if(index == 0){
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66 T[] newVect;
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67 newVect ~= item;
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68 items = newVect ~ items;
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69 }else if(index < items.length ){
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70 T[] arr1 = items[0 .. index];
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71 T[] arr2 = items[index .. $];
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72
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73 // Important : if you write like the following commented,
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74 // you get wrong data
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75 // code: T[] arr1 = items[0..index];
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76 // T[] arr2 = items[index..$];
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77 // items = arr1 ~ item; // error, !!!
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78 // items ~= arr2; // item replace the arrr2[0] here
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79 items = arr1 ~ item ~ arr2;
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80 }
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81 }
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82
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83 static void arraycopy(T[] src, uint srcPos, T[] dest, uint destPos, uint len)
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84 {
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85 if(len == 0) return;
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86
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87 assert(src);
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88 assert(dest);
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89 debug{validCheck(src.length - srcPos, dest.length - destPos, len);}
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90
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91 if(src is dest){
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92 if( destPos < srcPos ){
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93 for(int i=0; i<len; ++i){
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94 dest[destPos+i] = src[srcPos+i];
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95 }
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96 }
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97 else{
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98 for(int i=len-1; i>=0; --i){
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99 dest[destPos+i] = src[srcPos+i];
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100 }
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101 }
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102 }else{
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103 dest[destPos..(len+destPos)] = src[srcPos..(len+srcPos)];
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104 }
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105 }
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106 }
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107
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108
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109 class System {
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110
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111 alias SimpleType!(int).arraycopy arraycopy;
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112 alias SimpleType!(byte).arraycopy arraycopy;
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113 alias SimpleType!(double).arraycopy arraycopy;
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114 alias SimpleType!(float).arraycopy arraycopy;
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115 alias SimpleType!(short).arraycopy arraycopy;
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116 alias SimpleType!(long).arraycopy arraycopy;
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117 alias SimpleType!(uint).arraycopy arraycopy;
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118 alias SimpleType!(ushort).arraycopy arraycopy;
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119 alias SimpleType!(ubyte).arraycopy arraycopy;
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120 alias SimpleType!(ulong).arraycopy arraycopy;
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121 alias SimpleType!(char).arraycopy arraycopy;
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122 alias SimpleType!(wchar).arraycopy arraycopy;
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123 alias SimpleType!(Object).arraycopy arraycopy;
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124 alias SimpleType!(void*).arraycopy arraycopy;
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125
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126 alias SimpleType!(int[]).arraycopy arraycopy;
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127 alias SimpleType!(byte[]).arraycopy arraycopy;
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128 alias SimpleType!(double[]).arraycopy arraycopy;
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129 alias SimpleType!(float[]).arraycopy arraycopy;
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130 alias SimpleType!(short[]).arraycopy arraycopy;
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131 alias SimpleType!(long[]).arraycopy arraycopy;
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132 alias SimpleType!(uint[]).arraycopy arraycopy;
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133 alias SimpleType!(ushort[]).arraycopy arraycopy;
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134 alias SimpleType!(ubyte[]).arraycopy arraycopy;
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135 alias SimpleType!(ulong[]).arraycopy arraycopy;
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136 alias SimpleType!(String).arraycopy arraycopy;
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137 alias SimpleType!(wchar[]).arraycopy arraycopy;
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138 alias SimpleType!(Object[]).arraycopy arraycopy;
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139 alias SimpleType!(void*[]).arraycopy arraycopy;
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140 alias SimpleType!(void*[]).arraycopy arraycopy;
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141
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142 static long currentTimeMillis(){
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143 version(Tango) return tango.time.Clock.Clock.now().ticks() / 10000;
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144 else return std.date.getUTCtime() / (std.date.TicksPerSecond/1000);
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145 }
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146
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147 static void exit( int code ){
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148 version(Tango) tango.stdc.stdlib.exit(code);
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149 else std.c.stdlib.exit(code);
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150 }
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151 public static int identityHashCode(Object x){
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152 if( x is null ){
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153 return 0;
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154 }
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155 return (*cast(Object *)&x).toHash();
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156 }
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157
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158 public static String getProperty( String key, String defval ){
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159 String res = getProperty(key);
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160 if( res ){
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161 return res;
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162 }
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163 return defval;
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164 }
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165 public static String getProperty( String key ){
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166 /* Get values for local org.eclipse.swt specific keys */
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167 String* p;
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168 if (key[0..3] == "org.eclipse.swt") {
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169 return ((p = key in localProperties) != null) ? *p : null;
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170 /* else get values for global system keys (environment) */
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171 } else {
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172 switch( key ){
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173 case "os.name": return "linux";
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174 case "user.name": return "";
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175 case "user.home": return "";
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176 case "user.dir" : return "";
21
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177 case "file.separator" :
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178 version(Tango) return tango.io.model.IFile.FileConst.PathSeparatorString ;
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179 else return std.path.sep;
0
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180 default: return null;
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181 }
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182 }
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183 }
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184
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185 public static void setProperty ( String key, String value ) {
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186 /* set property for local org.eclipse.swt keys */
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187 if (key[0..3] == "org.eclipse.swt") {
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188 if (key !is null && value !is null)
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189 localProperties[ key ] = value;
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190 /* else set properties for global system keys (environment) */
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191 } else {
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192
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193 }
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194
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195 }
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196
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197 static class Output {
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198 public void println( String str ){
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199 implMissing( __FILE__, __LINE__ );
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200 }
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201 }
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202
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203 private static Output err__;
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204 public static Output err(){
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205 if( err__ is null ){
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206 err__ = new Output();
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207 }
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208 return err__;
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209 }
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210 private static Output out__;
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211 public static Output out_(){
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212 if( out__ is null ){
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213 out__ = new Output();
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214 }
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215 return out__;
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216 }
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217
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218 private static String[String] localProperties;
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219 }
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220