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annotate src/luan/modules/JavaLuan.java @ 1335:e0cf0d108a77

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major cleanup
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 14 Feb 2019 03:10:45 -0700
parents 25746915a241
children 8d95711f6615
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;
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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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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
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27
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28 public final class JavaLuan {
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29
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30 public static void java(Luan luan) throws LuanException {
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31 Luan.checkSecurity(luan,"java");
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32 luan.peek().javaOk = true;
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33 }
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34
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35 public static LuanFunction javaFn(Luan luan) {
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36 LuanFunction fn = (LuanFunction)luan.registry().get("JavaLuan.java");
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37 if( fn == null ) {
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38 try {
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39 fn = new LuanJavaFunction(luan,JavaLuan.class.getMethod("java",Luan.class),null);
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40 } catch(NoSuchMethodException e) {
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41 throw new RuntimeException(e);
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42 }
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43 luan.registry().put("JavaLuan.java",fn);
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44 }
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45 return fn;
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46 }
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47
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48 private static void checkJava(Luan luan) throws LuanException {
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49 if( !luan.peek().javaOk )
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50 throw new LuanException("Java isn't allowed");
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51 }
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52
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53 public static Object __index(Luan luan,Object obj,Object key) throws LuanException {
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54 checkJava(luan);
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55 Class cls;
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56 if( obj instanceof Static ) {
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57 Static st = (Static)obj;
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58 cls = st.cls;
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59 if( key instanceof String ) {
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60 String name = (String)key;
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61 if( "class".equals(name) ) {
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62 return cls;
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63 } else if( "new".equals(name) ) {
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64 Constructor[] constructors = cls.getConstructors();
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65 if( constructors.length > 0 ) {
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66 if( constructors.length==1 ) {
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67 return new LuanJavaFunction(luan,constructors[0],null);
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68 } else {
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69 List<LuanJavaFunction> fns = new ArrayList<LuanJavaFunction>();
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70 for( Constructor constructor : constructors ) {
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71 fns.add(new LuanJavaFunction(luan,constructor,null));
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72 }
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73 return new AmbiguousJavaFunction(fns);
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74 }
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75 }
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76 /*
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77 } else if( "assert".equals(name) ) {
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78 return new LuanJavaFunction(assertClass,new AssertClass(cls));
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79 */
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80 } else if( "luan_proxy".equals(name) ) {
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81 return new LuanJavaFunction(luan,luan_proxyMethod,st);
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82 } else {
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83 List<Member> members = getStaticMembers(cls,name);
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84 if( !members.isEmpty() ) {
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85 return member(luan,null,members);
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86 }
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87 }
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88 }
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89 } else {
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90 cls = obj.getClass();
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91 if( cls.isArray() ) {
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92 if( "length".equals(key) ) {
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93 return Array.getLength(obj);
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94 }
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95 Integer i = Luan.asInteger(key);
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96 if( i != null ) {
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97 return Array.get(obj,i);
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98 }
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99 // throw new LuanException(luan,"invalid member '"+key+"' for java array: "+obj);
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100 } else if( key instanceof String ) {
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101 String name = (String)key;
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102 if( "instanceof".equals(name) ) {
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103 return new LuanJavaFunction(luan,instanceOf,new InstanceOf(obj));
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104 } else {
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105 List<Member> members = getMembers(cls,name);
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106 if( !members.isEmpty() ) {
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107 return member(luan,obj,members);
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108 }
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109 }
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110 }
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111 }
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112 //System.out.println("invalid member '"+key+"' for java object: "+obj);
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113 throw new LuanException( "invalid index '"+key+"' for java "+cls );
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114 }
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115
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116 private static Object member(Luan luan,Object obj,List<Member> members) throws LuanException {
37
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117 try {
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118 if( members.size()==1 ) {
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119 Member member = members.get(0);
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120 if( member instanceof Static ) {
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121 return member;
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122 } else if( member instanceof Field ) {
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123 Field field = (Field)member;
157
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124 Object rtn = field.get(obj);
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125 return rtn instanceof Object[] ? Arrays.asList((Object[])rtn) : rtn;
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126 } else {
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127 Method method = (Method)member;
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128 return new LuanJavaFunction(luan,method,obj);
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129 }
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130 } else {
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64ecb7a3aad7 rename Lua to Luan
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131 List<LuanJavaFunction> fns = new ArrayList<LuanJavaFunction>();
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132 for( Member member : members ) {
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133 Method method = (Method)member;
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134 fns.add(new LuanJavaFunction(luan,method,obj));
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135 }
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136 return new AmbiguousJavaFunction(fns);
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137 }
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138 } catch(IllegalAccessException e) {
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139 throw new RuntimeException(e);
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140 }
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141 }
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142
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143 public static void __new_index(Luan luan,Object obj,Object key,Object value) throws LuanException {
421
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144 checkJava(luan);
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145 Class cls;
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146 if( obj instanceof Static ) {
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147 Static st = (Static)obj;
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148 cls = st.cls;
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149 if( key instanceof String ) {
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150 String name = (String)key;
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151 List<Member> members = getStaticMembers(cls,name);
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152 if( !members.isEmpty() ) {
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153 if( members.size() != 1 )
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154 throw new RuntimeException("not field '"+name+"' of "+obj);
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155 setMember(obj,members,value);
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156 return;
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157 }
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158 }
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159 // throw new LuanException(luan,"invalid member '"+key+"' for: "+obj);
511
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160 } else {
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161 cls = obj.getClass();
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162 if( cls.isArray() ) {
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163 Integer i = Luan.asInteger(key);
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164 if( i != null ) {
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165 Array.set(obj,i,value);
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166 return;
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167 }
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168 // throw new LuanException(luan,"invalid member '"+key+"' for java array: "+obj);
511
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169 } else if( key instanceof String ) {
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170 String name = (String)key;
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171 List<Member> members = getMembers(cls,name);
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172 if( !members.isEmpty() ) {
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173 if( members.size() != 1 )
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174 throw new RuntimeException("not field '"+name+"' of "+obj);
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175 setMember(obj,members,value);
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176 return;
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177 }
60
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178 }
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179 }
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180 throw new LuanException( "invalid index for java "+cls );
60
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181 }
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182
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diff changeset
183 private static void setMember(Object obj,List<Member> members,Object value) {
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184 Field field = (Field)members.get(0);
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185 try {
100
6c827f7275df fix JavaLib.setMember() for int conversion
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diff changeset
186 try {
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187 field.set(obj,value);
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diff changeset
188 } catch(IllegalArgumentException e) {
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parents: 90
diff changeset
189 Class cls = field.getType();
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parents: 90
diff changeset
190 if( value instanceof Number ) {
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diff changeset
191 Number n = (Number)value;
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diff changeset
192 if( cls.equals(Integer.TYPE) || cls.equals(Integer.class) ) {
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diff changeset
193 int r = n.intValue();
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parents: 90
diff changeset
194 if( r==n.doubleValue() ) {
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diff changeset
195 field.setInt(obj,r);
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diff changeset
196 return;
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197 }
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198 }
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diff changeset
199 }
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diff changeset
200 throw e;
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diff changeset
201 }
60
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diff changeset
202 } catch(IllegalAccessException e) {
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diff changeset
203 throw new RuntimeException(e);
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204 }
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diff changeset
205 }
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diff changeset
206
102
90b918cbf888 add JavaLib.privateAccess
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diff changeset
207 public static boolean privateAccess = false;
56
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diff changeset
208 private static Map<Class,Map<String,List<Member>>> memberMap = new HashMap<Class,Map<String,List<Member>>>();
37
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diff changeset
209
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diff changeset
210 private static List<Member> getMembers(Class cls,String name) {
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211 Map<String,List<Member>> clsMap;
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212 synchronized(memberMap) {
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213 clsMap = memberMap.get(cls);
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214 if( clsMap == null ) {
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215 clsMap = new HashMap<String,List<Member>>();
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diff changeset
216 for( Class c : cls.getClasses() ) {
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diff changeset
217 String s = c.getSimpleName();
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218 List<Member> list = new ArrayList<Member>();
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219 clsMap.put(s,list);
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diff changeset
220 list.add(new Static(c));
58
d6c454b7f58c make concat work with any type;
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diff changeset
221 }
778
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diff changeset
222 for( Field field : cls.getFields() ) {
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223 String s = field.getName();
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diff changeset
224 try {
305ffb00ebc1 improve synchronization in JavaLuan
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225 if( !cls.getField(s).equals(field) )
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diff changeset
226 continue; // not accessible
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diff changeset
227 } catch(NoSuchFieldException e) {
305ffb00ebc1 improve synchronization in JavaLuan
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diff changeset
228 throw new RuntimeException(e);
305ffb00ebc1 improve synchronization in JavaLuan
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229 }
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diff changeset
230 List<Member> list = new ArrayList<Member>();
71
5a93129995e1 handle conflicting java member names
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diff changeset
231 clsMap.put(s,list);
778
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232 list.add(field);
71
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diff changeset
233 }
778
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parents: 775
diff changeset
234 for( Method method : cls.getMethods() ) {
102
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235 String s = method.getName();
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236 List<Member> list = clsMap.get(s);
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237 if( list == null || !(list.get(0) instanceof Method) ) {
102
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238 list = new ArrayList<Member>();
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239 clsMap.put(s,list);
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240 }
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241 list.add(method);
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242 }
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243 if( privateAccess ) {
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244 for( Method method : cls.getDeclaredMethods() ) {
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245 String s = method.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 } else if( !(list.get(0) instanceof Method) )
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251 continue;
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252 if( !list.contains(method) ) {
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253 list.add(method);
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254 }
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255 }
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256 for( Field field : cls.getDeclaredFields() ) {
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257 String s = field.getName();
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258 List<Member> list = clsMap.get(s);
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259 if( list == null ) {
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260 list = new ArrayList<Member>();
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261 clsMap.put(s,list);
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262 list.add(field);
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263 }
102
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264 }
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265 }
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266 for( List<Member> members : clsMap.values() ) {
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267 for( Member m : members ) {
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268 if( m instanceof AccessibleObject )
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269 ((AccessibleObject)m).setAccessible(true);
102
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270 }
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271 }
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272 memberMap.put(cls,clsMap);
102
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273 }
37
8a57ebfdfd78 add JavaLib
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274 }
56
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275 List<Member> rtn = clsMap.get(name);
55
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276 if( rtn==null )
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277 rtn = Collections.emptyList();
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278 return rtn;
37
8a57ebfdfd78 add JavaLib
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279 }
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280
778
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281 private static List<Member> getStaticMembers(Class cls,String name) {
56
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282 List<Member> staticMembers = new ArrayList<Member>();
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diff changeset
283 for( Member m : getMembers(cls,name) ) {
c84274b18f0c various
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284 if( Modifier.isStatic(m.getModifiers()) )
37
8a57ebfdfd78 add JavaLib
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285 staticMembers.add(m);
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286 }
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diff changeset
287 return staticMembers;
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288 }
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289
56
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diff changeset
290 static final class Static implements Member {
37
8a57ebfdfd78 add JavaLib
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diff changeset
291 final Class cls;
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292
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diff changeset
293 Static(Class cls) {
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
294 this.cls = cls;
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diff changeset
295 }
56
c84274b18f0c various
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diff changeset
296
c84274b18f0c various
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diff changeset
297 @Override public String toString() {
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diff changeset
298 return cls.toString();
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diff changeset
299 }
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diff changeset
300
437
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diff changeset
301 @Override public Class getDeclaringClass() {
56
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diff changeset
302 return cls.getDeclaringClass();
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parents: 55
diff changeset
303 }
c84274b18f0c various
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diff changeset
304
c84274b18f0c various
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parents: 55
diff changeset
305 @Override public String getName() {
c84274b18f0c various
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parents: 55
diff changeset
306 return cls.getName();
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parents: 55
diff changeset
307 }
c84274b18f0c various
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parents: 55
diff changeset
308
c84274b18f0c various
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parents: 55
diff changeset
309 @Override public int getModifiers() {
c84274b18f0c various
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parents: 55
diff changeset
310 return cls.getModifiers();
c84274b18f0c various
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parents: 55
diff changeset
311 }
c84274b18f0c various
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parents: 55
diff changeset
312
c84274b18f0c various
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diff changeset
313 @Override public boolean isSynthetic() {
c84274b18f0c various
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diff changeset
314 return cls.isSynthetic();
c84274b18f0c various
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parents: 55
diff changeset
315 }
304
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
316
1335
e0cf0d108a77 major cleanup
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parents: 1333
diff changeset
317 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
318 return Proxy.newProxyInstance(
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
319 cls.getClassLoader(),
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
320 new Class[]{cls},
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
321 new InvocationHandler() {
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
322 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
323 throws Throwable
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 if( args==null )
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
326 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
327 String name = method.getName();
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1134
diff changeset
328 Object fnObj = t.get(name);
502
d3183a330ff5 improve the __index metamethod to work with any type;
Franklin Schmidt <fschmidt@gmail.com>
parents: 455
diff changeset
329 if( fnObj == null )
d3183a330ff5 improve the __index metamethod to work with any type;
Franklin Schmidt <fschmidt@gmail.com>
parents: 455
diff changeset
330 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
331 LuanFunction fn = Luan.checkFunction(fnObj);
1335
e0cf0d108a77 major cleanup
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parents: 1333
diff changeset
332 return Luan.first(fn.call(args));
304
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
333 }
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
334 }
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
335 );
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
336 }
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
337 }
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
338 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
339 static {
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
340 try {
1335
e0cf0d108a77 major cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 1333
diff changeset
341 luan_proxyMethod = Static.class.getMethod("luan_proxy",LuanTable.class);
304
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
342 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
343 } catch(NoSuchMethodException e) {
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
344 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
345 }
37
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
346 }
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
347
1333
25746915a241 merge Luan and LuanState
Franklin Schmidt <fschmidt@gmail.com>
parents: 1330
diff changeset
348 public static Static load(Luan luan,String name) throws LuanException {
300
9fb523472035 add java() to control java access
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 299
diff changeset
349 checkJava(luan);
51
28dfd91a816c various small issues
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 50
diff changeset
350 Class cls;
37
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
351 try {
51
28dfd91a816c various small issues
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diff changeset
352 cls = Class.forName(name);
37
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353 } catch(ClassNotFoundException e) {
51
28dfd91a816c various small issues
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parents: 50
diff changeset
354 try {
28dfd91a816c various small issues
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parents: 50
diff changeset
355 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
356 } catch(ClassNotFoundException e2) {
108
3c404a296995 make Package module more standard;
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357 return null;
51
28dfd91a816c various small issues
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parents: 50
diff changeset
358 }
37
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359 }
51
28dfd91a816c various small issues
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diff changeset
360 return new Static(cls);
37
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361 }
300
9fb523472035 add java() to control java access
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diff changeset
362
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Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
363 private static final Comparator<LuanJavaFunction> varArgsSorter = new Comparator<LuanJavaFunction>() {
e8fc6712b468 luan Rpc uses luan.lib.rpc
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364 public int compare(LuanJavaFunction fn1,LuanJavaFunction fn2) {
e8fc6712b468 luan Rpc uses luan.lib.rpc
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diff changeset
365 return fn2.getParameterCount() - fn1.getParameterCount();
e8fc6712b468 luan Rpc uses luan.lib.rpc
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diff changeset
366 }
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367 };
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368
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369 private static final class AmbiguousJavaFunction extends LuanFunction {
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370 private Map<Integer,List<LuanJavaFunction>> fnMap = new HashMap<Integer,List<LuanJavaFunction>>();
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371 private List<LuanJavaFunction> varArgs = new ArrayList<LuanJavaFunction>();
37
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parents:
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372
48
64ecb7a3aad7 rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
373 AmbiguousJavaFunction(List<LuanJavaFunction> fns) {
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diff changeset
374 super(true);
48
64ecb7a3aad7 rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
375 for( LuanJavaFunction fn : fns ) {
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Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
376 if( fn.isVarArgs() ) {
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parents: 795
diff changeset
377 varArgs.add(fn);
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Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
378 } else {
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Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
379 Integer n = fn.getParameterCount();
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Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
380 List<LuanJavaFunction> list = fnMap.get(n);
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Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
381 if( list==null ) {
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diff changeset
382 list = new ArrayList<LuanJavaFunction>();
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Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
383 fnMap.put(n,list);
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Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
384 }
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parents: 795
diff changeset
385 list.add(fn);
37
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
386 }
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parents:
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387 }
1120
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diff changeset
388 Collections.sort(varArgs,varArgsSorter);
37
8a57ebfdfd78 add JavaLib
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parents:
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389 }
8a57ebfdfd78 add JavaLib
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parents:
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390
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diff changeset
391 @Override protected void completeClone(LuanFunction dc,LuanCloner cloner) {
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diff changeset
392 AmbiguousJavaFunction clone = (AmbiguousJavaFunction)dc;
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diff changeset
393 clone.fnMap = (Map)cloner.clone(fnMap);
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diff changeset
394 clone.varArgs = (List)cloner.clone(varArgs);
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Franklin Schmidt <fschmidt@gmail.com>
parents: 1333
diff changeset
395 }
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parents: 1333
diff changeset
396
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parents: 1333
diff changeset
397 @Override public Object call(Object[] args) throws LuanException {
1120
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Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
398 List<LuanJavaFunction> list = fnMap.get(args.length);
e8fc6712b468 luan Rpc uses luan.lib.rpc
Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
399 if( list != null ) {
e8fc6712b468 luan Rpc uses luan.lib.rpc
Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
400 for( LuanJavaFunction fn : list ) {
e8fc6712b468 luan Rpc uses luan.lib.rpc
Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
401 try {
1335
e0cf0d108a77 major cleanup
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diff changeset
402 return fn.rawCall(args);
1120
e8fc6712b468 luan Rpc uses luan.lib.rpc
Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
403 } catch(IllegalArgumentException e) {}
e8fc6712b468 luan Rpc uses luan.lib.rpc
Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
404 }
e8fc6712b468 luan Rpc uses luan.lib.rpc
Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
405 }
e8fc6712b468 luan Rpc uses luan.lib.rpc
Franklin Schmidt <fschmidt@gmail.com>
parents: 795
diff changeset
406 for( LuanJavaFunction fn : varArgs ) {
37
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
407 try {
1335
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Franklin Schmidt <fschmidt@gmail.com>
parents: 1333
diff changeset
408 return fn.rawCall(args);
37
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
409 } catch(IllegalArgumentException e) {}
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
410 }
646
cdc70de628b5 simplify LuanException
Franklin Schmidt <fschmidt@gmail.com>
parents: 645
diff changeset
411 throw new LuanException("no method matched args: "+Arrays.asList(args));
37
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
412 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
413 }
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
414
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
415 private static class InstanceOf {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
416 private final Object obj;
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
417
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
418 InstanceOf(Object obj) {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
419 this.obj = obj;
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
420 }
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
421
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
422 public boolean instanceOf(Static st) {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
423 return st.cls.isInstance(obj);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
424 }
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
425 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
426 private static final Method instanceOf;
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
427 static {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
428 try {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
429 instanceOf = InstanceOf.class.getMethod("instanceOf",Static.class);
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
430 instanceOf.setAccessible(true);
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
431 } catch(NoSuchMethodException e) {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
432 throw new RuntimeException(e);
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
433 }
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
434 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
435
304
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
436 /*
64
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
437 private static class AssertClass {
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
438 private final Class cls;
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
439
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
440 AssertClass(Class cls) {
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
441 this.cls = cls;
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
442 }
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
443
1333
25746915a241 merge Luan and LuanState
Franklin Schmidt <fschmidt@gmail.com>
parents: 1330
diff changeset
444 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
445 if( !cls.isInstance(v) ) {
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
446 String got = v.getClass().getSimpleName();
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
447 String expected = cls.getSimpleName();
578
60c549d43988 remove LuanState.exception()
Franklin Schmidt <fschmidt@gmail.com>
parents: 576
diff changeset
448 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
449 }
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
450 return v;
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
451 }
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
452 }
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
453 private static final Method assertClass;
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
454 static {
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
455 try {
1333
25746915a241 merge Luan and LuanState
Franklin Schmidt <fschmidt@gmail.com>
parents: 1330
diff changeset
456 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
457 assertClass.setAccessible(true);
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
458 } catch(NoSuchMethodException e) {
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
459 throw new RuntimeException(e);
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
460 }
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
461 }
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
462
177cfdc2bdb3 add type assertions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 63
diff changeset
463
1333
25746915a241 merge Luan and LuanState
Franklin Schmidt <fschmidt@gmail.com>
parents: 1330
diff changeset
464 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
465 return Proxy.newProxyInstance(
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
466 st.cls.getClassLoader(),
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
467 new Class[]{st.cls},
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
468 new InvocationHandler() {
183d470be7e8 add java.proxy
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 60
diff changeset
469 public Object invoke(Object proxy,Method method, Object[] args)
183d470be7e8 add java.proxy
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470 throws Throwable
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471 {
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472 if( args==null )
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473 args = new Object[0];
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474 String name = method.getName();
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475 Object fnObj = t.get(name);
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476 if( fnObj==null && base!=null )
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477 return method.invoke(base,args);
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478 LuanFunction fn = luan.checkFunction(fnObj);
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479 return Luan.first(luan.call(fn,name,args));
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480 }
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481 }
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482 );
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483 }
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484 */
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485
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486 private void JavaLuan() {} // never
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487 }