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annotate src/luan/LuanTable.java @ 1566:364859d29ff5

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handle nil keys
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 12 Nov 2020 16:59:47 -0700
parents 8fbcc4747091
children c922446f53aa
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rev   line source
1
2df768b926aa start Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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1 package luan;
2df768b926aa start Luan
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2
27
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3 import java.util.Iterator;
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4 import java.util.ListIterator;
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2df768b926aa start Luan
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5 import java.util.Map;
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6 import java.util.AbstractMap;
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7 import java.util.LinkedHashMap;
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8 import java.util.List;
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9 import java.util.ArrayList;
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10 import java.util.Collections;
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11 import java.util.Comparator;
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12 import java.util.Set;
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13 import java.util.HashSet;
1
2df768b926aa start Luan
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14
2df768b926aa start Luan
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15
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16 public final class LuanTable implements LuanCloneable {
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17 private Map map = null;
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18 private List list = null;
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19 private LuanTable metatable = null;
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20 public LuanClosure closure;
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21 private LuanCloner cloner;
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22 private boolean immutable = false;
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23 private Luan luan;
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24
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25 public LuanTable() {}
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26
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27 public LuanTable(List list) {
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28 try {
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29 list();
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30 int n = list.size();
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31 for( int i=0; i<n; i++ ) {
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32 Object val = list.get(i);
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33 if( val != null )
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34 rawPut(i+1,val);
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35 }
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36 } catch(LuanException e) {
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37 throw new RuntimeException(e);
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38 }
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39 }
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40
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41 public LuanTable(Map map) {
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42 try {
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43 for( Object stupid : map.entrySet() ) {
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44 Map.Entry entry = (Map.Entry)stupid;
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45 Object key = entry.getKey();
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46 Object value = entry.getValue();
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47 if( key != null && value != null )
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48 rawPut(key,value);
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49 }
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50 } catch(LuanException e) {
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51 throw new RuntimeException(e);
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52 }
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53 }
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54
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55 public LuanTable(Set set) {
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56 try {
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57 for( Object el : set ) {
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58 if( el != null )
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59 rawPut(el,Boolean.TRUE);
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60 }
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61 } catch(LuanException e) {
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62 throw new RuntimeException(e);
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63 }
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64 }
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2df768b926aa start Luan
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65
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66 public LuanTable(LuanTable tbl) {
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67 if( tbl.map != null && !tbl.map.isEmpty() )
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68 this.map = new LinkedHashMap<Object,Object>(tbl.map);
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69 if( tbl.rawLength() > 0 )
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70 this.list = new ArrayList<Object>(tbl.list);
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71 this.metatable = tbl.metatable;
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72 }
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73
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74 @Override public LuanTable shallowClone() {
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75 if(immutable) throw new RuntimeException();
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76 return new LuanTable();
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77 }
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78
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79 @Override public void deepenClone(LuanCloneable dc,LuanCloner cloner) {
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80 check();
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81 LuanTable clone = (LuanTable)dc;
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82 switch( cloner.type ) {
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83 case COMPLETE:
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84 completeClone(clone,cloner);
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85 return;
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86 case INCREMENTAL:
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87 clone.cloner = cloner;
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88 clone.map = map;
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89 clone.list = list;
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90 clone.metatable = metatable;
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91 clone.closure = closure;
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92 return;
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93 }
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94 }
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95
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96 private void check() {
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97 if( cloner != null ) {
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98 completeClone(this,cloner);
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99 cloner = null;
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100 }
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101 }
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102
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103 private void checkLuan(Luan luan) {
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104 check();
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105 if( this.luan==null ) {
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106 this.luan = luan;
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107 } else if( this.luan != luan ) {
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108 throw new RuntimeException("wrong luan");
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109 }
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110 }
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111
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112 private void completeClone(LuanTable clone,LuanCloner cloner) {
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113 clone.map = cloner.clone(map);
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114 clone.list = (List)cloner.clone(list);
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115 clone.metatable = (LuanTable)cloner.clone(metatable);
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116 clone.closure = (LuanClosure)cloner.clone(closure);
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117 clone.luan = (Luan)cloner.clone(luan);
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118 }
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119
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120 @Override public void makeImmutable(LuanImmutabler immutabler) throws LuanException {
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121 check();
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122 immutabler.makeImmutable(map);
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123 immutabler.makeImmutable(list);
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124 immutabler.makeImmutable(metatable);
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125 immutabler.makeImmutable(closure);
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126 immutable = true;
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127 }
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128
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129 public boolean isList() {
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130 return map==null || map.isEmpty();
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131 }
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132
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133 public boolean isMap() {
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134 return map!=null || list==null;
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135 }
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136
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137 public List<Object> asList() {
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138 check();
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139 return list!=null ? list : Collections.emptyList();
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140 }
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141
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142 public Map rawMap() {
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143 check();
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144 return map!=null ? map : Collections.emptyMap();
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145 }
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146
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147 public String toStringLuan(Luan luan) throws LuanException {
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148 Object h = getHandler("__to_string");
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149 if( h == null )
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150 return rawToString();
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151 LuanFunction fn = Luan.checkFunction(h);
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152 return Luan.checkString( Luan.first( fn.call(luan,this) ) );
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153 }
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154
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155 public String rawToString() {
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156 return "table: " + Integer.toHexString(hashCode());
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157 }
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158
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159 public Object get(Luan luan,Object key) throws LuanException {
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160 //checkLuan(luan);
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161 Object value = rawGet(key);
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162 if( value != null )
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163 return value;
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164 Object h = getHandler("__index");
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165 if( h==null )
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166 return null;
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167 if( h instanceof LuanFunction ) {
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168 LuanFunction fn = (LuanFunction)h;
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169 return Luan.first(fn.call(luan,this,key));
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170 }
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7c3ad6db8ac3 make LuanState.JAVA private
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171 return luan.index(h,key);
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172 }
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173
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174 public Object rawGet(Object key) {
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175 check();
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176 if( list != null ) {
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177 Integer iT = Luan.asInteger(key);
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178 if( iT != null ) {
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179 int i = iT - 1;
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180 if( i>=0 && i<list.size() )
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181 return list.get(i);
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182 }
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183 }
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184 if( map==null )
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185 return null;
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186 if( key instanceof Number && !(key instanceof Double) ) {
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187 Number n = (Number)key;
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188 key = Double.valueOf(n.doubleValue());
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189 }
1
2df768b926aa start Luan
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190 return map.get(key);
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191 }
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192
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193 public void put(Luan luan,Object key,Object value) throws LuanException {
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194 //checkLuan(luan);
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195 Object h = getHandler("__new_index");
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196 if( h==null || rawGet(key)!=null ) {
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197 rawPut(key,value);
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198 return;
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199 }
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200 if( h instanceof LuanFunction ) {
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201 LuanFunction fn = (LuanFunction)h;
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202 fn.call(luan,this,key,value);
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203 return;
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204 }
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205 if( h instanceof LuanTable ) {
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206 LuanTable tbl = (LuanTable)h;
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207 tbl.put(luan,key,value);
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dae264ad6a7b fix LuanTable.put() to use metatables
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208 return;
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209 }
646
cdc70de628b5 simplify LuanException
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diff changeset
210 throw new LuanException("invalid type "+Luan.type(h)+" for metamethod __new_index");
427
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211 }
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diff changeset
212
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213 public Object rawPut(Object key,Object val) throws LuanException {
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e1a13e707bf3 start immutable
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214 if( immutable )
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215 throw new LuanException("table is immutable");
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216 check();
1566
364859d29ff5 handle nil keys
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diff changeset
217 if( key==null )
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diff changeset
218 throw new LuanException("table index is nil");
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diff changeset
219 Integer iT = Luan.asInteger(key);
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diff changeset
220 if( iT != null ) {
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diff changeset
221 int i = iT - 1;
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diff changeset
222 if( list != null || i == 0 ) {
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diff changeset
223 if( i == list().size() ) {
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diff changeset
224 if( val != null ) {
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diff changeset
225 list.add(val);
47
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diff changeset
226 mapToList();
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227 }
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228 return null;
46
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229 } else if( i>=0 && i<list.size() ) {
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230 Object rtn = list.set(i,val);
118
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diff changeset
231 if( val == null ) {
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232 listToMap(i);
44
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233 }
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234 return rtn;
44
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235 }
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236 }
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237 }
46
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diff changeset
238 if( key instanceof Number && !(key instanceof Double) ) {
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diff changeset
239 Number n = (Number)key;
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diff changeset
240 key = Double.valueOf(n.doubleValue());
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diff changeset
241 }
1
2df768b926aa start Luan
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242 if( val == null ) {
1420
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diff changeset
243 if( map!=null )
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244 return map.remove(key);
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245 else
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diff changeset
246 return null;
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2df768b926aa start Luan
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247 } else {
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diff changeset
248 if( map==null )
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249 map = newMap();
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250 return map.put(key,val);
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2df768b926aa start Luan
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251 }
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252 }
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253
47
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diff changeset
254 private void mapToList() {
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diff changeset
255 if( map != null ) {
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diff changeset
256 while(true) {
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diff changeset
257 Object v = map.remove(Double.valueOf(list.size()+1));
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diff changeset
258 if( v == null )
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diff changeset
259 break;
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diff changeset
260 list.add(v);
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parents: 46
diff changeset
261 }
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diff changeset
262 }
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diff changeset
263 }
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diff changeset
264
118
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diff changeset
265 private void listToMap(int from) {
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diff changeset
266 if( list != null ) {
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diff changeset
267 while( list.size() > from ) {
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diff changeset
268 int i = list.size() - 1;
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diff changeset
269 Object v = list.remove(i);
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diff changeset
270 if( v != null ) {
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parents: 108
diff changeset
271 if( map==null )
284
8870840251ea use LinkedHashMap in LuanTable to preserve order
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parents: 233
diff changeset
272 map = newMap();
118
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273 map.put(i+1,v);
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274 }
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275 }
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276 }
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277 }
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278
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279 private List<Object> list() {
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280 if( list == null ) {
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281 list = new ArrayList<Object>();
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282 mapToList();
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283 }
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284 return list;
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285 }
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286
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287 public void rawInsert(int pos,Object value) {
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288 check();
108
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289 if( value==null )
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290 throw new IllegalArgumentException("can't insert a nil value");
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291 list().add(pos-1,value);
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292 mapToList();
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293 }
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294
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295 public void rawAdd(Object value) {
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296 check();
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297 if( value==null )
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298 throw new IllegalArgumentException("can't insert a nil value");
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299 list().add(value);
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300 mapToList();
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301 }
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302
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303 public Object removeFromList(int pos) {
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304 check();
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305 return list().remove(pos-1);
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306 }
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307
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308 public void rawSort(Comparator<Object> cmp) {
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309 check();
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310 Collections.sort(list(),cmp);
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311 }
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312
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313 public int length(Luan luan) throws LuanException {
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314 Object h = getHandler("__len");
432
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315 if( h != null ) {
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316 LuanFunction fn = Luan.checkFunction(h);
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317 return (Integer)Luan.first(fn.call(luan,this));
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318 }
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319 return rawLength();
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320 }
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321
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322 public int rawLength() {
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323 check();
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324 return list==null ? 0 : list.size();
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2df768b926aa start Luan
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325 }
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326
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327 public Iterable<Map.Entry> iterable(Luan luan) throws LuanException {
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328 final Iterator<Map.Entry> iter = iterator(luan);
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329 return new Iterable<Map.Entry>() {
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330 public Iterator<Map.Entry> iterator() {
432
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331 return iter;
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332 }
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333 };
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334 }
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335
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336 public Iterable<Map.Entry> rawIterable() {
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337 final Iterator<Map.Entry> iter = rawIterator();
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338 return new Iterable<Map.Entry>() {
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339 public Iterator<Map.Entry> iterator() {
498
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340 return iter;
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341 }
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342 };
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343 }
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344
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345 public Iterator<Map.Entry> iterator(final Luan luan) throws LuanException {
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346 if( getHandler("__pairs") == null )
432
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347 return rawIterator();
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348 final LuanFunction fn = pairs(luan);
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349 return new Iterator<Map.Entry>() {
432
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350 private Map.Entry<Object,Object> next = getNext();
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351
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352 private Map.Entry<Object,Object> getNext() {
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353 try {
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354 Object obj = fn.call(luan);
432
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355 if( obj==null )
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356 return null;
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357 Object[] a = (Object[])obj;
497
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358 if( a.length == 0 || a[0]==null )
432
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359 return null;
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360 return new AbstractMap.SimpleEntry<Object,Object>(a[0],a[1]);
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361 } catch(LuanException e) {
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362 throw new LuanRuntimeException(e);
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363 }
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364 }
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365
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366 public boolean hasNext() {
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367 return next != null;
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368 }
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369
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370 public Map.Entry<Object,Object> next() {
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371 Map.Entry<Object,Object> rtn = next;
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372 next = getNext();
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373 return rtn;
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374 }
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375
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376 public void remove() {
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377 throw new UnsupportedOperationException();
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378 }
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379 };
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380 }
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381
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382 public LuanFunction pairs(Luan luan) throws LuanException {
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383 Object h = getHandler("__pairs");
432
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384 if( h != null ) {
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385 if( h instanceof LuanFunction ) {
575
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386 LuanFunction fn = (LuanFunction)h;
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387 Object obj = Luan.first(fn.call(luan,this));
432
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388 if( !(obj instanceof LuanFunction) )
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389 throw new LuanException( "metamethod __pairs should return function but returned " + Luan.type(obj) );
432
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390 return (LuanFunction)obj;
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391 }
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392 throw new LuanException( "invalid type of metamethod __pairs: " + Luan.type(h) );
432
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393 }
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394 return rawPairs();
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395 }
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396
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diff changeset
397 private LuanFunction rawPairs() {
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398 return new LuanFunction() {
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399 final Iterator<Map.Entry> iter = rawIterator();
432
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400
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diff changeset
401 @Override public Object[] call(Luan luan,Object[] args) {
432
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diff changeset
402 if( !iter.hasNext() )
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403 return LuanFunction.NOTHING;
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diff changeset
404 Map.Entry<Object,Object> entry = iter.next();
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405 return new Object[]{entry.getKey(),entry.getValue()};
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diff changeset
406 }
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diff changeset
407 };
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diff changeset
408 }
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diff changeset
409
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diff changeset
410 public Iterator<Map.Entry> rawIterator() {
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diff changeset
411 check();
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diff changeset
412 if( list == null ) {
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parents: 35
diff changeset
413 if( map == null )
1113
22652f4020fb add JsonToString
Franklin Schmidt <fschmidt@gmail.com>
parents: 1100
diff changeset
414 return Collections.<Map.Entry>emptyList().iterator();
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
415 return map.entrySet().iterator();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
416 }
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
417 if( map == null )
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
418 return listIterator();
1113
22652f4020fb add JsonToString
Franklin Schmidt <fschmidt@gmail.com>
parents: 1100
diff changeset
419 return new Iterator<Map.Entry>() {
22652f4020fb add JsonToString
Franklin Schmidt <fschmidt@gmail.com>
parents: 1100
diff changeset
420 Iterator<Map.Entry> iter = listIterator();
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
421 boolean isList = true;
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
422
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
423 public boolean hasNext() {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
424 boolean b = iter.hasNext();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
425 if( !b && isList ) {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
426 iter = map.entrySet().iterator();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
427 isList = false;
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
428 b = iter.hasNext();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
429 }
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
430 return b;
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
431 }
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
432
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
433 public Map.Entry<Object,Object> next() {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
434 return iter.next();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
435 }
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
436
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
437 public void remove() {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
438 throw new UnsupportedOperationException();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
439 }
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
440 };
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
441 }
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
442
1113
22652f4020fb add JsonToString
Franklin Schmidt <fschmidt@gmail.com>
parents: 1100
diff changeset
443 private Iterator<Map.Entry> listIterator() {
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
444 if( list == null )
1113
22652f4020fb add JsonToString
Franklin Schmidt <fschmidt@gmail.com>
parents: 1100
diff changeset
445 return Collections.<Map.Entry>emptyList().iterator();
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
446 final ListIterator iter = list.listIterator();
1113
22652f4020fb add JsonToString
Franklin Schmidt <fschmidt@gmail.com>
parents: 1100
diff changeset
447 return new Iterator<Map.Entry>() {
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
448
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
449 public boolean hasNext() {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
450 return iter.hasNext();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
451 }
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
452
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
453 public Map.Entry<Object,Object> next() {
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
454 Integer key = iter.nextIndex()+1;
222
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 221
diff changeset
455 return new AbstractMap.SimpleEntry<Object,Object>(key,iter.next());
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
456 }
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
457
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
458 public void remove() {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
459 throw new UnsupportedOperationException();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
460 }
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
461 };
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
462 }
221
ec016471c6eb make LuanTable an interface
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 202
diff changeset
463
431
3ffe8ba5b297 TableLuan cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 430
diff changeset
464 public LuanTable rawSubList(int from,int to) {
785
d69d3c51c44e more work on incremental cloning
Franklin Schmidt <fschmidt@gmail.com>
parents: 784
diff changeset
465 check();
1562
b89212fd04b5 remove table.luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 1561
diff changeset
466 LuanTable tbl = new LuanTable();
221
ec016471c6eb make LuanTable an interface
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 202
diff changeset
467 tbl.list = new ArrayList<Object>(list().subList(from-1,to-1));
ec016471c6eb make LuanTable an interface
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 202
diff changeset
468 return tbl;
27
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 19
diff changeset
469 }
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 19
diff changeset
470
408
1b38de2b1845 merge LuanTableImpl into LuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 406
diff changeset
471 public LuanTable getMetatable() {
785
d69d3c51c44e more work on incremental cloning
Franklin Schmidt <fschmidt@gmail.com>
parents: 784
diff changeset
472 check();
35
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
473 return metatable;
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
474 }
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
475
1330
f41919741100 fix security
Franklin Schmidt <fschmidt@gmail.com>
parents: 1284
diff changeset
476 public void setMetatable(LuanTable metatable) throws LuanException {
785
d69d3c51c44e more work on incremental cloning
Franklin Schmidt <fschmidt@gmail.com>
parents: 784
diff changeset
477 check();
35
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
478 this.metatable = metatable;
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
479 }
300
9fb523472035 add java() to control java access
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 284
diff changeset
480
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
481 public Object getHandler(String op) throws LuanException {
785
d69d3c51c44e more work on incremental cloning
Franklin Schmidt <fschmidt@gmail.com>
parents: 784
diff changeset
482 check();
1562
b89212fd04b5 remove table.luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 1561
diff changeset
483 return metatable==null ? null : metatable.rawGet(op);
419
8fbb961aabd5 improve repr() to check metamethod recursively
Franklin Schmidt <fschmidt@gmail.com>
parents: 414
diff changeset
484 }
8fbb961aabd5 improve repr() to check metamethod recursively
Franklin Schmidt <fschmidt@gmail.com>
parents: 414
diff changeset
485
1561
e1a13e707bf3 start immutable
Franklin Schmidt <fschmidt@gmail.com>
parents: 1542
diff changeset
486 private static Map<Object,Object> newMap() {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
487 return new LinkedHashMap<Object,Object>();
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
488 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
489
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
490 public boolean isSet() throws LuanException {
1563
8fbcc4747091 remove LuanFunction.luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 1562
diff changeset
491 for( Map.Entry<Object,Object> entry : rawIterable() ) {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
492 if( !entry.getValue().equals(Boolean.TRUE) )
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
493 return false;
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
494 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
495 return true;
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
496 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
497
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
498 public Set<Object> asSet() throws LuanException {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
499 Set<Object> set = new HashSet<Object>();
1563
8fbcc4747091 remove LuanFunction.luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 1562
diff changeset
500 for( Map.Entry<Object,Object> entry : rawIterable() ) {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
501 set.add(entry.getKey());
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
502 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
503 return set;
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
504 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
505
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
506 public Map<Object,Object> asMap() throws LuanException {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
507 Map<Object,Object> map = newMap();
1563
8fbcc4747091 remove LuanFunction.luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 1562
diff changeset
508 for( Map.Entry<Object,Object> entry : rawIterable() ) {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
509 map.put(entry.getKey(),entry.getValue());
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
510 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
511 return map;
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
512 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
513
497
55f9f74f1e55 Http.request is now pure luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 434
diff changeset
514 public void rawClear() {
785
d69d3c51c44e more work on incremental cloning
Franklin Schmidt <fschmidt@gmail.com>
parents: 784
diff changeset
515 check();
497
55f9f74f1e55 Http.request is now pure luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 434
diff changeset
516 map = null;
55f9f74f1e55 Http.request is now pure luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 434
diff changeset
517 list = null;
55f9f74f1e55 Http.request is now pure luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 434
diff changeset
518 }
55f9f74f1e55 Http.request is now pure luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 434
diff changeset
519
1095
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
520 public int hashValue() {
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
521 int n = 99;
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
522 if( map != null )
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
523 n ^= map.hashCode();
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
524 if( list != null )
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
525 n ^= list.hashCode();
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
526 return n;
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
527 }
1100
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
528
1420
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
529 public boolean isEmpty() {
1100
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
530 return (map==null || map.isEmpty()) && (list==null || list.isEmpty());
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
531 }
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
532
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
533 public int rawSize() {
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
534 int n = 0;
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
535 if( map != null )
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
536 n += map.size();
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
537 if( list != null )
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
538 n += list.size();
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
539 return n;
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
540 }
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
541
1561
e1a13e707bf3 start immutable
Franklin Schmidt <fschmidt@gmail.com>
parents: 1542
diff changeset
542 public Object remove(Object key) throws LuanException {
e1a13e707bf3 start immutable
Franklin Schmidt <fschmidt@gmail.com>
parents: 1542
diff changeset
543 if( immutable )
e1a13e707bf3 start immutable
Franklin Schmidt <fschmidt@gmail.com>
parents: 1542
diff changeset
544 throw new LuanException("table is immutable");
1420
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
545 Object old = rawGet(key);
1562
b89212fd04b5 remove table.luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 1561
diff changeset
546 rawPut(key,null);
1420
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
547 return old;
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
548 }
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
549
1267
9fa8b8389578 add LuanTable.luan;
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550 protected void finalize() throws Throwable {
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551 Object h = getHandler("__gc");
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552 if( h != null ) {
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553 LuanFunction fn = Luan.checkFunction(h);
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554 fn.call(new Luan(),this); // ??? should be immutable
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555 }
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556 super.finalize();
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557 }
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558
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559 public LuanFunction fn(String fnName) throws LuanException {
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560 return (LuanFunction)rawGet(fnName);
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561 }
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465b4a0dae4a empty list vs map
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562
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563 public static void debug(LuanTable table) {
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564 System.out.println("isMap "+table.isMap());
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565 }
1
2df768b926aa start Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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566 }