annotate src/luan/modules/JavaLuan.java @ 1802:ca98dee04e08 default tip

add Parsers.json_null
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 21 Apr 2024 21:25:15 -0600
parents 8dd8c556c449
children
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rev   line source
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1 package luan.modules;
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2
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3 import java.lang.reflect.Array;
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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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e8fc6712b468 luan Rpc uses luan.lib.rpc
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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
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26
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ebe9db183eb7 rename *Lib.java to *Luan.java
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27 public final class JavaLuan {
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28
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29 public static void java(Luan luan) throws LuanException {
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30 Luan.checkSecurity(luan,"java");
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31 luan.peek().javaOk = true;
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32 }
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33
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34 private static void checkJava(Luan luan) throws LuanException {
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35 if( !luan.peek().javaOk )
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36 throw new LuanException("Java isn't allowed");
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37 }
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38
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39 public static Object __index(Luan luan,Object obj,Object key) throws LuanException {
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b31d614343e8 add Io.LuanString.text_writer();
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40 checkJava(luan);
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41 Class cls;
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42 if( obj instanceof Static ) {
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43 Static st = (Static)obj;
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44 cls = st.cls;
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45 if( key instanceof String ) {
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46 String name = (String)key;
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47 if( "class".equals(name) ) {
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48 return cls;
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49 } else if( "new".equals(name) ) {
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50 Constructor[] constructors = cls.getConstructors();
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51 if( constructors.length > 0 ) {
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52 if( constructors.length==1 ) {
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53 return new LuanJavaFunction(constructors[0],null);
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54 } else {
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55 List<LuanJavaFunction> fns = new ArrayList<LuanJavaFunction>();
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56 for( Constructor constructor : constructors ) {
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57 fns.add(new LuanJavaFunction(constructor,null));
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58 }
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59 return new AmbiguousJavaFunction(fns);
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60 }
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61 }
304
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62 /*
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63 } else if( "assert".equals(name) ) {
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64 return new LuanJavaFunction(assertClass,new AssertClass(cls));
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65 */
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66 } else if( "luan_proxy".equals(name) ) {
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67 return new LuanJavaFunction(luan_proxyMethod,st);
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68 } else {
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69 List<Member> members = getStaticMembers(cls,name);
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70 if( !members.isEmpty() ) {
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71 return member(null,members);
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72 }
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73 }
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74 }
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75 } else {
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76 cls = obj.getClass();
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77 if( cls.isArray() ) {
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78 if( "length".equals(key) ) {
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79 return Array.getLength(obj);
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80 }
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81 Integer i = Luan.asInteger(key);
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82 if( i != null ) {
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83 return Array.get(obj,i);
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84 }
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85 // throw new LuanException(luan,"invalid member '"+key+"' for java array: "+obj);
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86 } else if( key instanceof String ) {
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87 String name = (String)key;
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88 if( "instanceof".equals(name) ) {
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89 return new LuanJavaFunction(instanceOf,new InstanceOf(obj));
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90 } else {
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91 List<Member> members = getMembers(cls,name);
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92 if( !members.isEmpty() ) {
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93 return member(obj,members);
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94 }
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95 }
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96 }
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97 }
297
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98 //System.out.println("invalid member '"+key+"' for java object: "+obj);
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99 throw new LuanException( "invalid index '"+key+"' for java "+cls );
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100 }
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101
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102 private static Object member(Object obj,List<Member> members) throws LuanException {
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103 try {
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104 if( members.size()==1 ) {
56
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105 Member member = members.get(0);
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106 if( member instanceof Static ) {
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107 return member;
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108 } else if( member instanceof Field ) {
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109 Field field = (Field)member;
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110 Object rtn = field.get(obj);
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111 return rtn instanceof Object[] ? Arrays.asList((Object[])rtn) : rtn;
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112 } else {
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113 Method method = (Method)member;
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114 return new LuanJavaFunction(method,obj);
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115 }
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116 } else {
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117 List<LuanJavaFunction> fns = new ArrayList<LuanJavaFunction>();
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118 for( Member member : members ) {
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119 Method method = (Method)member;
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120 fns.add(new LuanJavaFunction(method,obj));
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121 }
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122 return new AmbiguousJavaFunction(fns);
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123 }
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124 } catch(IllegalAccessException e) {
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125 throw new RuntimeException(e);
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126 }
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127 }
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128
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129 public static void __new_index(Luan luan,Object obj,Object key,Object value) throws LuanException {
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130 checkJava(luan);
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131 Class cls;
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132 if( obj instanceof Static ) {
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133 Static st = (Static)obj;
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134 cls = st.cls;
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135 if( key instanceof String ) {
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136 String name = (String)key;
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137 List<Member> members = getStaticMembers(cls,name);
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138 if( !members.isEmpty() ) {
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139 if( members.size() != 1 )
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140 throw new RuntimeException("not field '"+name+"' of "+obj);
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141 setMember(obj,members,value);
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142 return;
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143 }
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144 }
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145 // throw new LuanException(luan,"invalid member '"+key+"' for: "+obj);
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146 } else {
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147 cls = obj.getClass();
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148 if( cls.isArray() ) {
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149 Integer i = Luan.asInteger(key);
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150 if( i != null ) {
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151 Array.set(obj,i,value);
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152 return;
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153 }
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154 // throw new LuanException(luan,"invalid member '"+key+"' for java array: "+obj);
511
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155 } else if( key instanceof String ) {
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156 String name = (String)key;
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157 List<Member> members = getMembers(cls,name);
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158 if( !members.isEmpty() ) {
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159 if( members.size() != 1 )
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160 throw new RuntimeException("not field '"+name+"' of "+obj);
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161 setMember(obj,members,value);
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162 return;
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163 }
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164 }
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165 }
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166 throw new LuanException( "invalid index for java "+cls );
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167 }
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168
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169 private static void setMember(Object obj,List<Member> members,Object value) throws LuanException {
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170 Field field = (Field)members.get(0);
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171 try {
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172 /*
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173 try {
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174 field.set(obj,value);
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175 } catch(IllegalArgumentException e) {
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176 Class cls = field.getType();
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177 if( value instanceof Number ) {
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178 Number n = (Number)value;
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179 if( cls.equals(Integer.TYPE) || cls.equals(Integer.class) ) {
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180 int r = n.intValue();
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181 if( r==n.doubleValue() ) {
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182 field.setInt(obj,r);
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183 return;
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184 }
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185 }
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186 }
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187 throw new LuanException(e);
100
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188 }
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189 */
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190 Class cls = field.getType();
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191 LuanJavaFunction.ArgConverter ac = LuanJavaFunction.getArgConverter(cls);
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192 field.set( obj, ac.convert(value) );
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193 } catch(IllegalArgumentException e) {
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194 throw new LuanException(e);
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195 } catch(IllegalAccessException e) {
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196 throw new LuanException(e);
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197 }
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198 }
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diff changeset
199
102
90b918cbf888 add JavaLib.privateAccess
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diff changeset
200 public static boolean privateAccess = false;
56
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201 private static Map<Class,Map<String,List<Member>>> memberMap = new HashMap<Class,Map<String,List<Member>>>();
37
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202
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203 private static List<Member> getMembers(Class cls,String name) {
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204 Map<String,List<Member>> clsMap;
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205 synchronized(memberMap) {
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206 clsMap = memberMap.get(cls);
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207 if( clsMap == null ) {
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208 clsMap = new HashMap<String,List<Member>>();
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209 for( Class c : cls.getClasses() ) {
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210 String s = c.getSimpleName();
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211 List<Member> list = new ArrayList<Member>();
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212 clsMap.put(s,list);
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213 list.add(new Static(c));
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d6c454b7f58c make concat work with any type;
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214 }
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215 for( Field field : cls.getFields() ) {
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216 String s = field.getName();
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217 try {
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218 if( !cls.getField(s).equals(field) )
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219 continue; // not accessible
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220 } catch(NoSuchFieldException e) {
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221 throw new RuntimeException(e);
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222 }
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223 List<Member> list = new ArrayList<Member>();
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224 clsMap.put(s,list);
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225 list.add(field);
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226 }
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227 for( Method method : cls.getMethods() ) {
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228 String s = method.getName();
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229 List<Member> list = clsMap.get(s);
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230 if( list == null || !(list.get(0) instanceof Method) ) {
102
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231 list = new ArrayList<Member>();
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232 clsMap.put(s,list);
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233 }
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234 list.add(method);
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235 }
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236 if( privateAccess ) {
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237 for( Method method : cls.getDeclaredMethods() ) {
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238 String s = method.getName();
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239 List<Member> list = clsMap.get(s);
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240 if( list == null ) {
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241 list = new ArrayList<Member>();
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242 clsMap.put(s,list);
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243 } else if( !(list.get(0) instanceof Method) )
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244 continue;
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245 if( !list.contains(method) ) {
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246 list.add(method);
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247 }
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248 }
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249 for( Field field : cls.getDeclaredFields() ) {
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250 String s = field.getName();
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251 List<Member> list = clsMap.get(s);
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252 if( list == null ) {
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253 list = new ArrayList<Member>();
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254 clsMap.put(s,list);
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255 list.add(field);
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256 }
102
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257 }
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258 }
778
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259 for( List<Member> members : clsMap.values() ) {
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260 for( Member m : members ) {
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261 if( m instanceof AccessibleObject )
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262 ((AccessibleObject)m).setAccessible(true);
102
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263 }
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264 }
778
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265 memberMap.put(cls,clsMap);
102
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266 }
37
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267 }
56
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268 List<Member> rtn = clsMap.get(name);
55
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269 if( rtn==null )
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270 rtn = Collections.emptyList();
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271 return rtn;
37
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272 }
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273
778
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274 private static List<Member> getStaticMembers(Class cls,String name) {
56
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275 List<Member> staticMembers = new ArrayList<Member>();
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276 for( Member m : getMembers(cls,name) ) {
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277 if( Modifier.isStatic(m.getModifiers()) )
37
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278 staticMembers.add(m);
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279 }
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280 return staticMembers;
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281 }
8a57ebfdfd78 add JavaLib
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282
56
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diff changeset
283 static final class Static implements Member {
37
8a57ebfdfd78 add JavaLib
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diff changeset
284 final Class cls;
8a57ebfdfd78 add JavaLib
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285
8a57ebfdfd78 add JavaLib
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diff changeset
286 Static(Class cls) {
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
287 this.cls = cls;
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parents:
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288 }
56
c84274b18f0c various
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diff changeset
289
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diff changeset
290 @Override public String toString() {
c84274b18f0c various
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diff changeset
291 return cls.toString();
c84274b18f0c various
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diff changeset
292 }
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diff changeset
293
437
Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
294 @Override public Class getDeclaringClass() {
56
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diff changeset
295 return cls.getDeclaringClass();
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parents: 55
diff changeset
296 }
c84274b18f0c various
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parents: 55
diff changeset
297
c84274b18f0c various
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diff changeset
298 @Override public String getName() {
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diff changeset
299 return cls.getName();
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parents: 55
diff changeset
300 }
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parents: 55
diff changeset
301
c84274b18f0c various
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diff changeset
302 @Override public int getModifiers() {
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diff changeset
303 return cls.getModifiers();
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diff changeset
304 }
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parents: 55
diff changeset
305
c84274b18f0c various
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diff changeset
306 @Override public boolean isSynthetic() {
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diff changeset
307 return cls.isSynthetic();
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parents: 55
diff changeset
308 }
304
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
309
1563
8fbcc4747091 remove LuanFunction.luan
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parents: 1562
diff changeset
310 public Object luan_proxy(final Luan luan,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
311 return Proxy.newProxyInstance(
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
312 cls.getClassLoader(),
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
313 new Class[]{cls},
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
314 new InvocationHandler() {
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
315 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
316 throws Throwable
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
317 {
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
318 if( args==null )
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
319 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
320 String name = method.getName();
1562
b89212fd04b5 remove table.luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 1561
diff changeset
321 Object fnObj = t.get(luan,name);
502
d3183a330ff5 improve the __index metamethod to work with any type;
Franklin Schmidt <fschmidt@gmail.com>
parents: 455
diff changeset
322 if( fnObj == null )
d3183a330ff5 improve the __index metamethod to work with any type;
Franklin Schmidt <fschmidt@gmail.com>
parents: 455
diff changeset
323 throw new NullPointerException("luan_proxy couldn't find method '"+name+"'");
647
8e8c30b72e9b move methods from LuanState to Luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 646
diff changeset
324 LuanFunction fn = Luan.checkFunction(fnObj);
1563
8fbcc4747091 remove LuanFunction.luan
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parents: 1562
diff changeset
325 return Luan.first(fn.call(luan,args));
304
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
326 }
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
327 }
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
328 );
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
329 }
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
330 }
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
331 private static final Method luan_proxyMethod;
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
332 static {
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
333 try {
1562
b89212fd04b5 remove table.luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 1561
diff changeset
334 luan_proxyMethod = Static.class.getMethod("luan_proxy",Luan.class,LuanTable.class);
304
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
335 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
336 } catch(NoSuchMethodException e) {
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
337 throw new RuntimeException(e);
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
338 }
37
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
339 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
340
1333
25746915a241 merge Luan and LuanState
Franklin Schmidt <fschmidt@gmail.com>
parents: 1330
diff changeset
341 public static Static load(Luan luan,String name) throws LuanException {
300
9fb523472035 add java() to control java access
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parents: 299
diff changeset
342 checkJava(luan);
51
28dfd91a816c various small issues
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 50
diff changeset
343 Class cls;
37
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
344 try {
51
28dfd91a816c various small issues
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 50
diff changeset
345 cls = Class.forName(name);
37
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
346 } catch(ClassNotFoundException e) {
51
28dfd91a816c various small issues
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 50
diff changeset
347 try {
28dfd91a816c various small issues
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parents: 50
diff changeset
348 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
349 } catch(ClassNotFoundException e2) {
108
3c404a296995 make Package module more standard;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 102
diff changeset
350 return null;
51
28dfd91a816c various small issues
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 50
diff changeset
351 }
37
8a57ebfdfd78 add JavaLib
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352 }
51
28dfd91a816c various small issues
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diff changeset
353 return new Static(cls);
37
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354 }
300
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diff changeset
355
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diff changeset
356 private static final Comparator<LuanJavaFunction> varArgsSorter = new Comparator<LuanJavaFunction>() {
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357 public int compare(LuanJavaFunction fn1,LuanJavaFunction fn2) {
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358 return fn2.getParameterCount() - fn1.getParameterCount();
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359 }
e8fc6712b468 luan Rpc uses luan.lib.rpc
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360 };
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361
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Franklin Schmidt <fschmidt@gmail.com>
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362 private static final class AmbiguousJavaFunction extends LuanFunction {
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363 private Map<Integer,List<LuanJavaFunction>> fnMap = new HashMap<Integer,List<LuanJavaFunction>>();
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364 private List<LuanJavaFunction> varArgs = new ArrayList<LuanJavaFunction>();
37
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parents:
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365
48
64ecb7a3aad7 rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 46
diff changeset
366 AmbiguousJavaFunction(List<LuanJavaFunction> fns) {
64ecb7a3aad7 rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 46
diff changeset
367 for( LuanJavaFunction fn : fns ) {
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Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
368 if( fn.isVarArgs() ) {
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parents: 795
diff changeset
369 varArgs.add(fn);
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parents: 795
diff changeset
370 } else {
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Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
371 Integer n = fn.getParameterCount();
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Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
372 List<LuanJavaFunction> list = fnMap.get(n);
e8fc6712b468 luan Rpc uses luan.lib.rpc
Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
373 if( list==null ) {
e8fc6712b468 luan Rpc uses luan.lib.rpc
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parents: 795
diff changeset
374 list = new ArrayList<LuanJavaFunction>();
e8fc6712b468 luan Rpc uses luan.lib.rpc
Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
375 fnMap.put(n,list);
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parents: 795
diff changeset
376 }
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diff changeset
377 list.add(fn);
37
8a57ebfdfd78 add JavaLib
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parents:
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378 }
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parents:
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379 }
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diff changeset
380 Collections.sort(varArgs,varArgsSorter);
37
8a57ebfdfd78 add JavaLib
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parents:
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381 }
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382
1563
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Franklin Schmidt <fschmidt@gmail.com>
parents: 1562
diff changeset
383 @Override public Object call(Luan luan,Object[] args) throws LuanException {
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Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
384 List<LuanJavaFunction> list = fnMap.get(args.length);
e8fc6712b468 luan Rpc uses luan.lib.rpc
Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
385 if( list != null ) {
e8fc6712b468 luan Rpc uses luan.lib.rpc
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parents: 795
diff changeset
386 for( LuanJavaFunction fn : list ) {
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diff changeset
387 try {
1563
8fbcc4747091 remove LuanFunction.luan
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diff changeset
388 return fn.rawCall(luan,args);
1120
e8fc6712b468 luan Rpc uses luan.lib.rpc
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parents: 795
diff changeset
389 } catch(IllegalArgumentException e) {}
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Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
390 }
e8fc6712b468 luan Rpc uses luan.lib.rpc
Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
391 }
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Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
392 for( LuanJavaFunction fn : varArgs ) {
37
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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393 try {
1563
8fbcc4747091 remove LuanFunction.luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 1562
diff changeset
394 return fn.rawCall(luan,args);
37
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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395 } catch(IllegalArgumentException e) {}
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
396 }
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 645
diff changeset
397 throw new LuanException("no method matched args: "+Arrays.asList(args));
37
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
398 }
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parents:
diff changeset
399 }
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
400
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
401 private static class InstanceOf {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
402 private final Object obj;
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
403
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
404 InstanceOf(Object obj) {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
405 this.obj = obj;
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
406 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
407
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
408 public boolean instanceOf(Static st) {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
409 return st.cls.isInstance(obj);
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
410 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
411 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
412 private static final Method instanceOf;
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
413 static {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
414 try {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
415 instanceOf = InstanceOf.class.getMethod("instanceOf",Static.class);
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
416 instanceOf.setAccessible(true);
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
417 } catch(NoSuchMethodException e) {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
418 throw new RuntimeException(e);
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
419 }
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
420 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
421
304
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
422 /*
64
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
423 private static class AssertClass {
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
424 private final Class cls;
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
425
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
426 AssertClass(Class cls) {
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
427 this.cls = cls;
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
428 }
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
429
1333
25746915a241 merge Luan and LuanState
Franklin Schmidt <fschmidt@gmail.com>
parents: 1330
diff changeset
430 public Object assertClass(Luan luan,Object v) throws LuanException {
64
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
431 if( !cls.isInstance(v) ) {
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
432 String got = v.getClass().getSimpleName();
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
433 String expected = cls.getSimpleName();
578
60c549d43988 remove LuanState.exception()
Franklin Schmidt <fschmidt@gmail.com>
parents: 576
diff changeset
434 throw new LuanException(luan,"bad argument #1 ("+expected+" expected, got "+got+")");
64
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
435 }
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
436 return v;
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
437 }
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
438 }
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
439 private static final Method assertClass;
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
440 static {
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
441 try {
1333
25746915a241 merge Luan and LuanState
Franklin Schmidt <fschmidt@gmail.com>
parents: 1330
diff changeset
442 assertClass = AssertClass.class.getMethod("assertClass",Luan.class,Object.class);
64
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
443 assertClass.setAccessible(true);
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
444 } catch(NoSuchMethodException e) {
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
445 throw new RuntimeException(e);
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
446 }
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
447 }
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
448
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
449
1333
25746915a241 merge Luan and LuanState
Franklin Schmidt <fschmidt@gmail.com>
parents: 1330
diff changeset
450 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
451 return Proxy.newProxyInstance(
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
452 st.cls.getClassLoader(),
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
453 new Class[]{st.cls},
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
454 new InvocationHandler() {
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
455 public Object invoke(Object proxy,Method method, Object[] args)
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
456 throws Throwable
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
457 {
63
ebe578282363 minor fix
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 62
diff changeset
458 if( args==null )
ebe578282363 minor fix
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 62
diff changeset
459 args = new Object[0];
61
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
460 String name = method.getName();
62
7c05f53ef6cb improve java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 61
diff changeset
461 Object fnObj = t.get(name);
7c05f53ef6cb improve java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 61
diff changeset
462 if( fnObj==null && base!=null )
7c05f53ef6cb improve java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 61
diff changeset
463 return method.invoke(base,args);
130
0594c132888b cleanup
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 124
diff changeset
464 LuanFunction fn = luan.checkFunction(fnObj);
0594c132888b cleanup
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 124
diff changeset
465 return Luan.first(luan.call(fn,name,args));
61
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
466 }
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
467 }
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
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468 );
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
469 }
304
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
470 */
301
a6bf8ff720f8 add java security
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 300
diff changeset
471
1330
f41919741100 fix security
Franklin Schmidt <fschmidt@gmail.com>
parents: 1267
diff changeset
472 private void JavaLuan() {} // never
37
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
473 }