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annotate java/src/java/lang/System.d @ 0:6dd524f61e62

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add dwt win and basic java stuff
author Frank Benoit <benoit@tionex.de>
date Mon, 02 Mar 2009 14:44:16 +0100
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children 9b96950f2c3c
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6dd524f61e62 add dwt win and basic java stuff
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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
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8 import tango.sys.Environment;
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9 import tango.core.Exception;
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10 import tango.io.model.IFile : FileConst;
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11 import tango.time.Clock;
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12 import tango.stdc.stdlib : exit;
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13
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14 template SimpleType(T) {
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15 debug{
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16 static void validCheck(uint SrcLen, uint DestLen, uint copyLen){
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17 if(SrcLen < copyLen || DestLen < copyLen|| SrcLen < 0 || DestLen < 0){
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18 //Util.trace("Error : SimpleType.arraycopy(), out of bounds.");
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19 assert(0);
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20 }
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21 }
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22 }
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23
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24 static void remove(inout T[] items, int index) {
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25 if(items.length == 0)
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26 return;
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27
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28 if(index < 0 || index >= items.length){
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29 throw new ArrayBoundsException(__FILE__, __LINE__);
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30 }
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31
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32 T element = items[index];
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33
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34 int length = items.length;
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35 if(length == 1){
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36 items.length = 0;
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37 return;// element;
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38 }
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39
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40 if(index == 0)
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41 items = items[1 .. $];
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42 else if(index == length - 1)
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43 items = items[0 .. index];
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44 else
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45 items = items[0 .. index] ~ items[index + 1 .. $];
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46 }
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47
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48 static void insert(inout T[] items, T item, int index = -1) {
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49 if(index == -1)
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50 index = items.length;
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51
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52 if(index < 0 || index > items.length ){
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53 throw new ArrayBoundsException(__FILE__, __LINE__);
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54 }
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55
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56 if(index == items.length){
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57 items ~= item;
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58 }else if(index == 0){
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59 T[] newVect;
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60 newVect ~= item;
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61 items = newVect ~ items;
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62 }else if(index < items.length ){
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63 T[] arr1 = items[0 .. index];
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64 T[] arr2 = items[index .. $];
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65
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66 // Important : if you write like the following commented,
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67 // you get wrong data
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68 // code: T[] arr1 = items[0..index];
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69 // T[] arr2 = items[index..$];
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70 // items = arr1 ~ item; // error, !!!
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71 // items ~= arr2; // item replace the arrr2[0] here
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72 items = arr1 ~ item ~ arr2;
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73 }
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74 }
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75
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76 static void arraycopy(T[] src, uint srcPos, T[] dest, uint destPos, uint len)
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77 {
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78 if(len == 0) return;
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79
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80 assert(src);
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81 assert(dest);
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82 debug{validCheck(src.length - srcPos, dest.length - destPos, len);}
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83
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84 if(src is dest){
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85 if( destPos < srcPos ){
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86 for(int i=0; i<len; ++i){
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87 dest[destPos+i] = src[srcPos+i];
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88 }
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89 }
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90 else{
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91 for(int i=len-1; i>=0; --i){
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92 dest[destPos+i] = src[srcPos+i];
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93 }
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94 }
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95 }else{
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96 dest[destPos..(len+destPos)] = src[srcPos..(len+srcPos)];
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97 }
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98 }
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99 }
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100
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101
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102 class System {
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103
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104 alias SimpleType!(int).arraycopy arraycopy;
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105 alias SimpleType!(byte).arraycopy arraycopy;
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106 alias SimpleType!(double).arraycopy arraycopy;
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107 alias SimpleType!(float).arraycopy arraycopy;
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108 alias SimpleType!(short).arraycopy arraycopy;
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109 alias SimpleType!(long).arraycopy arraycopy;
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110 alias SimpleType!(uint).arraycopy arraycopy;
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111 alias SimpleType!(ushort).arraycopy arraycopy;
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112 alias SimpleType!(ubyte).arraycopy arraycopy;
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113 alias SimpleType!(ulong).arraycopy arraycopy;
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114 alias SimpleType!(char).arraycopy arraycopy;
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115 alias SimpleType!(wchar).arraycopy arraycopy;
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116 alias SimpleType!(Object).arraycopy arraycopy;
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117 alias SimpleType!(void*).arraycopy arraycopy;
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118
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119 alias SimpleType!(int[]).arraycopy arraycopy;
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120 alias SimpleType!(byte[]).arraycopy arraycopy;
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121 alias SimpleType!(double[]).arraycopy arraycopy;
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122 alias SimpleType!(float[]).arraycopy arraycopy;
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123 alias SimpleType!(short[]).arraycopy arraycopy;
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124 alias SimpleType!(long[]).arraycopy arraycopy;
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125 alias SimpleType!(uint[]).arraycopy arraycopy;
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126 alias SimpleType!(ushort[]).arraycopy arraycopy;
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127 alias SimpleType!(ubyte[]).arraycopy arraycopy;
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128 alias SimpleType!(ulong[]).arraycopy arraycopy;
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129 alias SimpleType!(String).arraycopy arraycopy;
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130 alias SimpleType!(wchar[]).arraycopy arraycopy;
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131 alias SimpleType!(Object[]).arraycopy arraycopy;
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132 alias SimpleType!(void*[]).arraycopy arraycopy;
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133 alias SimpleType!(void*[]).arraycopy arraycopy;
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134
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135 static long currentTimeMillis(){
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136 return Clock.now().ticks() / 10000;
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137 }
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138
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139 static void exit( int code ){
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140 .exit(code);
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141 }
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142 public static int identityHashCode(Object x){
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143 if( x is null ){
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144 return 0;
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145 }
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146 return (*cast(Object *)&x).toHash();
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147 }
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148
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149 public static String getProperty( String key, String defval ){
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150 String res = getProperty(key);
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151 if( res ){
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152 return res;
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153 }
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154 return defval;
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155 }
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156 public static String getProperty( String key ){
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157 /* Get values for local org.eclipse.swt specific keys */
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158 String* p;
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159 if (key[0..3] == "org.eclipse.swt") {
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160 return ((p = key in localProperties) != null) ? *p : null;
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161 /* else get values for global system keys (environment) */
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162 } else {
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163 switch( key ){
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164 case "os.name": return "linux";
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165 case "user.name": return "";
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166 case "user.home": return "";
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167 case "user.dir" : return "";
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168 case "file.separator" : return FileConst.PathSeparatorString ;
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169 default: return null;
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170 }
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171 }
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172 }
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173
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174 public static void setProperty ( String key, String value ) {
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175 /* set property for local org.eclipse.swt keys */
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176 if (key[0..3] == "org.eclipse.swt") {
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177 if (key !is null && value !is null)
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178 localProperties[ key ] = value;
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179 /* else set properties for global system keys (environment) */
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180 } else {
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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
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186 static class Output {
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187 public void println( String str ){
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188 implMissing( __FILE__, __LINE__ );
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189 }
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190 }
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191
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192 private static Output err__;
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193 public static Output err(){
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194 if( err__ is null ){
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195 err__ = new Output();
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196 }
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197 return err__;
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198 }
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199 private static Output out__;
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200 public static Output out_(){
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201 if( out__ is null ){
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202 out__ = new Output();
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203 }
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204 return out__;
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205 }
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206
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207 private static String[String] localProperties;
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208 }
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209