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annotate src/luan/modules/JavaLuan.java @ 1561:e1a13e707bf3

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start immutable
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 05 Nov 2020 20:24:09 -0700
parents 8d95711f6615
children b89212fd04b5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
167
4c0131c2b650 merge luan/lib into modules
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diff changeset
1 package luan.modules;
37
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2
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3 import java.lang.reflect.Array;
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272b6f1d7dac fix java accessibility
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4 import java.lang.reflect.AccessibleObject;
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5 import java.lang.reflect.Member;
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6 import java.lang.reflect.Field;
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7 import java.lang.reflect.Method;
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8 import java.lang.reflect.Constructor;
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9 import java.lang.reflect.Modifier;
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10 import java.lang.reflect.InvocationHandler;
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11 import java.lang.reflect.Proxy;
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12 import java.util.Map;
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13 import java.util.HashMap;
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14 import java.util.List;
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15 import java.util.ArrayList;
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16 import java.util.Iterator;
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17 import java.util.Collections;
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18 import java.util.Arrays;
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19 import java.util.Comparator;
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20 import luan.Luan;
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21 import luan.LuanTable;
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22 import luan.LuanException;
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23 import luan.LuanFunction;
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24 import luan.LuanJavaFunction;
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25 import luan.LuanCloner;
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26 import luan.LuanImmutabler;
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27
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28
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29 public final class JavaLuan {
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30
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31 public static void java(Luan luan) throws LuanException {
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32 Luan.checkSecurity(luan,"java");
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33 luan.peek().javaOk = true;
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34 }
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35
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36 private static void checkJava(Luan luan) throws LuanException {
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37 if( !luan.peek().javaOk )
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38 throw new LuanException("Java isn't allowed");
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39 }
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40
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41 public static Object __index(Luan luan,Object obj,Object key) throws LuanException {
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42 checkJava(luan);
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43 Class cls;
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44 if( obj instanceof Static ) {
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45 Static st = (Static)obj;
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46 cls = st.cls;
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47 if( key instanceof String ) {
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48 String name = (String)key;
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49 if( "class".equals(name) ) {
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50 return cls;
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51 } else if( "new".equals(name) ) {
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52 Constructor[] constructors = cls.getConstructors();
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53 if( constructors.length > 0 ) {
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54 if( constructors.length==1 ) {
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55 return new LuanJavaFunction(luan,constructors[0],null);
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56 } else {
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57 List<LuanJavaFunction> fns = new ArrayList<LuanJavaFunction>();
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58 for( Constructor constructor : constructors ) {
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59 fns.add(new LuanJavaFunction(luan,constructor,null));
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60 }
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61 return new AmbiguousJavaFunction(fns);
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62 }
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63 }
304
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64 /*
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65 } else if( "assert".equals(name) ) {
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66 return new LuanJavaFunction(assertClass,new AssertClass(cls));
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67 */
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68 } else if( "luan_proxy".equals(name) ) {
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69 return new LuanJavaFunction(luan,luan_proxyMethod,st);
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70 } else {
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71 List<Member> members = getStaticMembers(cls,name);
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72 if( !members.isEmpty() ) {
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73 return member(luan,null,members);
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74 }
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75 }
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76 }
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77 } else {
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78 cls = obj.getClass();
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79 if( cls.isArray() ) {
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80 if( "length".equals(key) ) {
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81 return Array.getLength(obj);
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82 }
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83 Integer i = Luan.asInteger(key);
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84 if( i != null ) {
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85 return Array.get(obj,i);
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86 }
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87 // throw new LuanException(luan,"invalid member '"+key+"' for java array: "+obj);
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88 } else if( key instanceof String ) {
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89 String name = (String)key;
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90 if( "instanceof".equals(name) ) {
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91 return new LuanJavaFunction(luan,instanceOf,new InstanceOf(obj));
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92 } else {
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93 List<Member> members = getMembers(cls,name);
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94 if( !members.isEmpty() ) {
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95 return member(luan,obj,members);
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96 }
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97 }
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98 }
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99 }
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100 //System.out.println("invalid member '"+key+"' for java object: "+obj);
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101 throw new LuanException( "invalid index '"+key+"' for java "+cls );
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102 }
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103
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104 private static Object member(Luan luan,Object obj,List<Member> members) throws LuanException {
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105 try {
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106 if( members.size()==1 ) {
56
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107 Member member = members.get(0);
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108 if( member instanceof Static ) {
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109 return member;
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110 } else if( member instanceof Field ) {
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111 Field field = (Field)member;
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112 Object rtn = field.get(obj);
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113 return rtn instanceof Object[] ? Arrays.asList((Object[])rtn) : rtn;
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114 } else {
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115 Method method = (Method)member;
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116 return new LuanJavaFunction(luan,method,obj);
37
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117 }
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118 } else {
48
64ecb7a3aad7 rename Lua to Luan
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119 List<LuanJavaFunction> fns = new ArrayList<LuanJavaFunction>();
56
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120 for( Member member : members ) {
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121 Method method = (Method)member;
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122 fns.add(new LuanJavaFunction(luan,method,obj));
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123 }
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124 return new AmbiguousJavaFunction(fns);
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125 }
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126 } catch(IllegalAccessException e) {
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127 throw new RuntimeException(e);
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128 }
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129 }
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130
1333
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131 public static void __new_index(Luan luan,Object obj,Object key,Object value) throws LuanException {
421
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132 checkJava(luan);
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133 Class cls;
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134 if( obj instanceof Static ) {
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135 Static st = (Static)obj;
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136 cls = st.cls;
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137 if( key instanceof String ) {
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138 String name = (String)key;
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139 List<Member> members = getStaticMembers(cls,name);
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140 if( !members.isEmpty() ) {
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141 if( members.size() != 1 )
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142 throw new RuntimeException("not field '"+name+"' of "+obj);
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143 setMember(obj,members,value);
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144 return;
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145 }
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146 }
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147 // throw new LuanException(luan,"invalid member '"+key+"' for: "+obj);
511
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148 } else {
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149 cls = obj.getClass();
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150 if( cls.isArray() ) {
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151 Integer i = Luan.asInteger(key);
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152 if( i != null ) {
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153 Array.set(obj,i,value);
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154 return;
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155 }
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156 // throw new LuanException(luan,"invalid member '"+key+"' for java array: "+obj);
511
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157 } else if( key instanceof String ) {
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158 String name = (String)key;
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159 List<Member> members = getMembers(cls,name);
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160 if( !members.isEmpty() ) {
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161 if( members.size() != 1 )
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162 throw new RuntimeException("not field '"+name+"' of "+obj);
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163 setMember(obj,members,value);
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164 return;
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165 }
60
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166 }
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167 }
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168 throw new LuanException( "invalid index for java "+cls );
60
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169 }
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170
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diff changeset
171 private static void setMember(Object obj,List<Member> members,Object value) {
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172 Field field = (Field)members.get(0);
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173 try {
100
6c827f7275df fix JavaLib.setMember() for int conversion
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diff changeset
174 try {
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175 field.set(obj,value);
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diff changeset
176 } catch(IllegalArgumentException e) {
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diff changeset
177 Class cls = field.getType();
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178 if( value instanceof Number ) {
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diff changeset
179 Number n = (Number)value;
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180 if( cls.equals(Integer.TYPE) || cls.equals(Integer.class) ) {
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diff changeset
181 int r = n.intValue();
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diff changeset
182 if( r==n.doubleValue() ) {
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183 field.setInt(obj,r);
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184 return;
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185 }
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186 }
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diff changeset
187 }
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diff changeset
188 throw e;
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diff changeset
189 }
60
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diff changeset
190 } catch(IllegalAccessException e) {
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diff changeset
191 throw new RuntimeException(e);
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192 }
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193 }
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diff changeset
194
102
90b918cbf888 add JavaLib.privateAccess
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diff changeset
195 public static boolean privateAccess = false;
56
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diff changeset
196 private static Map<Class,Map<String,List<Member>>> memberMap = new HashMap<Class,Map<String,List<Member>>>();
37
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197
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198 private static List<Member> getMembers(Class cls,String name) {
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199 Map<String,List<Member>> clsMap;
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200 synchronized(memberMap) {
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201 clsMap = memberMap.get(cls);
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202 if( clsMap == null ) {
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203 clsMap = new HashMap<String,List<Member>>();
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204 for( Class c : cls.getClasses() ) {
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205 String s = c.getSimpleName();
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206 List<Member> list = new ArrayList<Member>();
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207 clsMap.put(s,list);
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208 list.add(new Static(c));
58
d6c454b7f58c make concat work with any type;
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diff changeset
209 }
778
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diff changeset
210 for( Field field : cls.getFields() ) {
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211 String s = field.getName();
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212 try {
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213 if( !cls.getField(s).equals(field) )
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diff changeset
214 continue; // not accessible
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diff changeset
215 } catch(NoSuchFieldException e) {
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diff changeset
216 throw new RuntimeException(e);
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217 }
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diff changeset
218 List<Member> list = new ArrayList<Member>();
71
5a93129995e1 handle conflicting java member names
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219 clsMap.put(s,list);
778
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220 list.add(field);
71
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diff changeset
221 }
778
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diff changeset
222 for( Method method : cls.getMethods() ) {
102
90b918cbf888 add JavaLib.privateAccess
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diff changeset
223 String s = method.getName();
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diff changeset
224 List<Member> list = clsMap.get(s);
778
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225 if( list == null || !(list.get(0) instanceof Method) ) {
102
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226 list = new ArrayList<Member>();
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227 clsMap.put(s,list);
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228 }
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229 list.add(method);
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230 }
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231 if( privateAccess ) {
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diff changeset
232 for( Method method : cls.getDeclaredMethods() ) {
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233 String s = method.getName();
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234 List<Member> list = clsMap.get(s);
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235 if( list == null ) {
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236 list = new ArrayList<Member>();
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237 clsMap.put(s,list);
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238 } else if( !(list.get(0) instanceof Method) )
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239 continue;
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240 if( !list.contains(method) ) {
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241 list.add(method);
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242 }
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243 }
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244 for( Field field : cls.getDeclaredFields() ) {
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245 String s = field.getName();
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246 List<Member> list = clsMap.get(s);
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247 if( list == null ) {
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248 list = new ArrayList<Member>();
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249 clsMap.put(s,list);
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250 list.add(field);
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251 }
102
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252 }
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253 }
778
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254 for( List<Member> members : clsMap.values() ) {
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255 for( Member m : members ) {
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256 if( m instanceof AccessibleObject )
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257 ((AccessibleObject)m).setAccessible(true);
102
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258 }
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259 }
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260 memberMap.put(cls,clsMap);
102
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261 }
37
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262 }
56
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263 List<Member> rtn = clsMap.get(name);
55
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264 if( rtn==null )
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265 rtn = Collections.emptyList();
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266 return rtn;
37
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267 }
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268
778
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269 private static List<Member> getStaticMembers(Class cls,String name) {
56
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270 List<Member> staticMembers = new ArrayList<Member>();
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271 for( Member m : getMembers(cls,name) ) {
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272 if( Modifier.isStatic(m.getModifiers()) )
37
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273 staticMembers.add(m);
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274 }
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275 return staticMembers;
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276 }
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277
56
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278 static final class Static implements Member {
37
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279 final Class cls;
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280
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281 Static(Class cls) {
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282 this.cls = cls;
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283 }
56
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284
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diff changeset
285 @Override public String toString() {
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286 return cls.toString();
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287 }
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288
437
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diff changeset
289 @Override public Class getDeclaringClass() {
56
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290 return cls.getDeclaringClass();
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291 }
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292
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diff changeset
293 @Override public String getName() {
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diff changeset
294 return cls.getName();
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295 }
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diff changeset
296
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diff changeset
297 @Override public int getModifiers() {
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diff changeset
298 return cls.getModifiers();
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diff changeset
299 }
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diff changeset
300
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diff changeset
301 @Override public boolean isSynthetic() {
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302 return cls.isSynthetic();
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diff changeset
303 }
304
03e9cda4748d add JavaLuan.Static.luan_proxy()
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diff changeset
304
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diff changeset
305 public Object luan_proxy(final LuanTable t) throws LuanException {
304
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
306 return Proxy.newProxyInstance(
03e9cda4748d add JavaLuan.Static.luan_proxy()
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parents: 301
diff changeset
307 cls.getClassLoader(),
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
308 new Class[]{cls},
03e9cda4748d add JavaLuan.Static.luan_proxy()
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parents: 301
diff changeset
309 new InvocationHandler() {
03e9cda4748d add JavaLuan.Static.luan_proxy()
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diff changeset
310 public Object invoke(Object proxy,Method method, Object[] args)
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
311 throws Throwable
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
312 {
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
313 if( args==null )
03e9cda4748d add JavaLuan.Static.luan_proxy()
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parents: 301
diff changeset
314 args = new Object[0];
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
315 String name = method.getName();
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1134
diff changeset
316 Object fnObj = t.get(name);
502
d3183a330ff5 improve the __index metamethod to work with any type;
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parents: 455
diff changeset
317 if( fnObj == null )
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parents: 455
diff changeset
318 throw new NullPointerException("luan_proxy couldn't find method '"+name+"'");
647
8e8c30b72e9b move methods from LuanState to Luan
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parents: 646
diff changeset
319 LuanFunction fn = Luan.checkFunction(fnObj);
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e0cf0d108a77 major cleanup
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diff changeset
320 return Luan.first(fn.call(args));
304
03e9cda4748d add JavaLuan.Static.luan_proxy()
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parents: 301
diff changeset
321 }
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
322 }
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
323 );
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
324 }
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
325 }
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
326 private static final Method luan_proxyMethod;
03e9cda4748d add JavaLuan.Static.luan_proxy()
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diff changeset
327 static {
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diff changeset
328 try {
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parents: 1333
diff changeset
329 luan_proxyMethod = Static.class.getMethod("luan_proxy",LuanTable.class);
304
03e9cda4748d add JavaLuan.Static.luan_proxy()
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diff changeset
330 luan_proxyMethod.setAccessible(true);
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
331 } catch(NoSuchMethodException e) {
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
332 throw new RuntimeException(e);
03e9cda4748d add JavaLuan.Static.luan_proxy()
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parents: 301
diff changeset
333 }
37
8a57ebfdfd78 add JavaLib
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diff changeset
334 }
8a57ebfdfd78 add JavaLib
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diff changeset
335
1333
25746915a241 merge Luan and LuanState
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parents: 1330
diff changeset
336 public static Static load(Luan luan,String name) throws LuanException {
300
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parents: 299
diff changeset
337 checkJava(luan);
51
28dfd91a816c various small issues
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parents: 50
diff changeset
338 Class cls;
37
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diff changeset
339 try {
51
28dfd91a816c various small issues
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diff changeset
340 cls = Class.forName(name);
37
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parents:
diff changeset
341 } catch(ClassNotFoundException e) {
51
28dfd91a816c various small issues
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parents: 50
diff changeset
342 try {
28dfd91a816c various small issues
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parents: 50
diff changeset
343 cls = Thread.currentThread().getContextClassLoader().loadClass(name);
28dfd91a816c various small issues
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 50
diff changeset
344 } catch(ClassNotFoundException e2) {
108
3c404a296995 make Package module more standard;
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diff changeset
345 return null;
51
28dfd91a816c various small issues
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parents: 50
diff changeset
346 }
37
8a57ebfdfd78 add JavaLib
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347 }
51
28dfd91a816c various small issues
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diff changeset
348 return new Static(cls);
37
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349 }
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350
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351 private static final Comparator<LuanJavaFunction> varArgsSorter = new Comparator<LuanJavaFunction>() {
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352 public int compare(LuanJavaFunction fn1,LuanJavaFunction fn2) {
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353 return fn2.getParameterCount() - fn1.getParameterCount();
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354 }
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355 };
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356
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357 private static final class AmbiguousJavaFunction extends LuanFunction {
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358 private Map<Integer,List<LuanJavaFunction>> fnMap = new HashMap<Integer,List<LuanJavaFunction>>();
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359 private List<LuanJavaFunction> varArgs = new ArrayList<LuanJavaFunction>();
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360
48
64ecb7a3aad7 rename Lua to Luan
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361 AmbiguousJavaFunction(List<LuanJavaFunction> fns) {
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362 super(true);
48
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363 for( LuanJavaFunction fn : fns ) {
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364 if( fn.isVarArgs() ) {
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365 varArgs.add(fn);
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366 } else {
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367 Integer n = fn.getParameterCount();
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368 List<LuanJavaFunction> list = fnMap.get(n);
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369 if( list==null ) {
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370 list = new ArrayList<LuanJavaFunction>();
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371 fnMap.put(n,list);
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372 }
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373 list.add(fn);
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374 }
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375 }
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376 Collections.sort(varArgs,varArgsSorter);
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377 }
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378
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379 @Override protected void completeClone(LuanFunction dc,LuanCloner cloner) {
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380 AmbiguousJavaFunction clone = (AmbiguousJavaFunction)dc;
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381 clone.fnMap = (Map)cloner.clone(fnMap);
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382 clone.varArgs = (List)cloner.clone(varArgs);
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383 // no call to super?
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384 }
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385
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386 @Override public void makeImmutable(LuanImmutabler immutabler) throws LuanException {
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387 immutabler.makeImmutable(fnMap);
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388 immutabler.makeImmutable(varArgs);
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389 super.makeImmutable(immutabler);
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390 }
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391
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diff changeset
392 @Override public Object call(Object[] args) throws LuanException {
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393 List<LuanJavaFunction> list = fnMap.get(args.length);
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394 if( list != null ) {
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395 for( LuanJavaFunction fn : list ) {
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diff changeset
396 try {
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397 return fn.rawCall(args);
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398 } catch(IllegalArgumentException e) {}
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399 }
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400 }
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diff changeset
401 for( LuanJavaFunction fn : varArgs ) {
37
8a57ebfdfd78 add JavaLib
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402 try {
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403 return fn.rawCall(args);
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404 } catch(IllegalArgumentException e) {}
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parents:
diff changeset
405 }
646
cdc70de628b5 simplify LuanException
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parents: 645
diff changeset
406 throw new LuanException("no method matched args: "+Arrays.asList(args));
37
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407 }
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408 }
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parents:
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409
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
410 private static class InstanceOf {
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411 private final Object obj;
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412
8a57ebfdfd78 add JavaLib
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diff changeset
413 InstanceOf(Object obj) {
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414 this.obj = obj;
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415 }
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416
8a57ebfdfd78 add JavaLib
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417 public boolean instanceOf(Static st) {
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418 return st.cls.isInstance(obj);
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419 }
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420 }
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421 private static final Method instanceOf;
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diff changeset
422 static {
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diff changeset
423 try {
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424 instanceOf = InstanceOf.class.getMethod("instanceOf",Static.class);
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diff changeset
425 instanceOf.setAccessible(true);
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diff changeset
426 } catch(NoSuchMethodException e) {
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parents:
diff changeset
427 throw new RuntimeException(e);
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diff changeset
428 }
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parents:
diff changeset
429 }
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
430
304
03e9cda4748d add JavaLuan.Static.luan_proxy()
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diff changeset
431 /*
64
177cfdc2bdb3 add type assertions
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diff changeset
432 private static class AssertClass {
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parents: 63
diff changeset
433 private final Class cls;
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parents: 63
diff changeset
434
177cfdc2bdb3 add type assertions
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parents: 63
diff changeset
435 AssertClass(Class cls) {
177cfdc2bdb3 add type assertions
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parents: 63
diff changeset
436 this.cls = cls;
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parents: 63
diff changeset
437 }
177cfdc2bdb3 add type assertions
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parents: 63
diff changeset
438
1333
25746915a241 merge Luan and LuanState
Franklin Schmidt <fschmidt@gmail.com>
parents: 1330
diff changeset
439 public Object assertClass(Luan luan,Object v) throws LuanException {
64
177cfdc2bdb3 add type assertions
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parents: 63
diff changeset
440 if( !cls.isInstance(v) ) {
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
441 String got = v.getClass().getSimpleName();
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
442 String expected = cls.getSimpleName();
578
60c549d43988 remove LuanState.exception()
Franklin Schmidt <fschmidt@gmail.com>
parents: 576
diff changeset
443 throw new LuanException(luan,"bad argument #1 ("+expected+" expected, got "+got+")");
64
177cfdc2bdb3 add type assertions
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parents: 63
diff changeset
444 }
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parents: 63
diff changeset
445 return v;
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parents: 63
diff changeset
446 }
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parents: 63
diff changeset
447 }
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parents: 63
diff changeset
448 private static final Method assertClass;
177cfdc2bdb3 add type assertions
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diff changeset
449 static {
177cfdc2bdb3 add type assertions
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parents: 63
diff changeset
450 try {
1333
25746915a241 merge Luan and LuanState
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parents: 1330
diff changeset
451 assertClass = AssertClass.class.getMethod("assertClass",Luan.class,Object.class);
64
177cfdc2bdb3 add type assertions
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diff changeset
452 assertClass.setAccessible(true);
177cfdc2bdb3 add type assertions
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parents: 63
diff changeset
453 } catch(NoSuchMethodException e) {
177cfdc2bdb3 add type assertions
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parents: 63
diff changeset
454 throw new RuntimeException(e);
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parents: 63
diff changeset
455 }
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
456 }
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parents: 63
diff changeset
457
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
458
1333
25746915a241 merge Luan and LuanState
Franklin Schmidt <fschmidt@gmail.com>
parents: 1330
diff changeset
459 public static Object proxy(final Luan luan,Static st,final LuanTable t,final Object base) throws LuanException {
61
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
460 return Proxy.newProxyInstance(
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
461 st.cls.getClassLoader(),
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
462 new Class[]{st.cls},
183d470be7e8 add java.proxy
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parents: 60
diff changeset
463 new InvocationHandler() {
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
464 public Object invoke(Object proxy,Method method, Object[] args)
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parents: 60
diff changeset
465 throws Throwable
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
466 {
63
ebe578282363 minor fix
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 62
diff changeset
467 if( args==null )
ebe578282363 minor fix
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 62
diff changeset
468 args = new Object[0];
61
183d470be7e8 add java.proxy
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parents: 60
diff changeset
469 String name = method.getName();
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470 Object fnObj = t.get(name);
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471 if( fnObj==null && base!=null )
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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472 return method.invoke(base,args);
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473 LuanFunction fn = luan.checkFunction(fnObj);
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474 return Luan.first(luan.call(fn,name,args));
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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475 }
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476 }
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477 );
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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478 }
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479 */
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480
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Franklin Schmidt <fschmidt@gmail.com>
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481 private void JavaLuan() {} // never
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482 }