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annotate core/src/luan/modules/JavaLuan.java @ 437:6cfbf45a1885 0.6

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minor
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 03 May 2015 23:39:04 -0600
parents c6bcb8859b93
children 34a4ed3597ea
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
167
4c0131c2b650 merge luan/lib into modules
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diff changeset
1 package luan.modules;
37
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2
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3 import java.lang.reflect.Array;
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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;
37
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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 luan.Luan;
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20 import luan.LuanState;
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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.LuanElement;
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26
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27
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28 public final class JavaLuan {
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29
301
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30 public static void java(LuanState luan) throws LuanException {
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31 check(luan,luan.currentSource().name);
300
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32 luan.currentEnvironment().setJava();
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33 }
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34
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35 public static final LuanFunction javaFn;
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36 static {
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37 try {
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38 javaFn = new LuanJavaFunction(JavaLuan.class.getMethod("java",LuanState.class),null);
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39 } catch(NoSuchMethodException e) {
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40 throw new RuntimeException(e);
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41 }
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42 }
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43
300
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44 private static void checkJava(LuanState luan) throws LuanException {
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45 if( !luan.currentEnvironment().hasJava() )
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46 throw luan.exception("Java isn't allowed");
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47 }
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48
202
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49 private static boolean isLoaded(LuanState luan) {
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50 // return PackageLuan.loaded(luan).get("luan:Java") != null;
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51 return true;
202
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52 }
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53
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54 public static Object __index(LuanState luan,Object obj,Object key) throws LuanException {
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55 checkJava(luan);
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56 if( obj instanceof Static ) {
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57 if( key instanceof String ) {
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58 String name = (String)key;
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59 Static st = (Static)obj;
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60 Class cls = st.cls;
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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(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(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_proxyMethod,st);
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82 } else {
208
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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(null,members);
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86 }
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87 }
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88 }
208
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89 throw luan.exception("invalid member '"+key+"' for: "+obj);
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90 }
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91 Class cls = obj.getClass();
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92 if( cls.isArray() ) {
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93 if( "length".equals(key) ) {
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94 return Array.getLength(obj);
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95 }
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96 Integer i = Luan.asInteger(key);
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97 if( i != null ) {
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98 return Array.get(obj,i);
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99 }
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100 throw luan.exception("invalid member '"+key+"' for java array: "+obj);
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101 }
208
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102 if( key instanceof String ) {
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103 String name = (String)key;
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104 if( "instanceof".equals(name) ) {
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105 return new LuanJavaFunction(instanceOf,new InstanceOf(obj));
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106 } else {
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107 List<Member> members = getMembers(cls,name);
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108 if( !members.isEmpty() ) {
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109 return member(obj,members);
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110 }
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111 }
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112 }
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113 // throw luan.exception("invalid member '"+key+"' for java object: "+obj);
297
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114 //System.out.println("invalid member '"+key+"' for java object: "+obj);
208
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115 return null;
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116 }
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117
56
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118 private static Object member(Object obj,List<Member> members) throws LuanException {
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119 try {
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120 if( members.size()==1 ) {
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121 Member member = members.get(0);
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122 if( member instanceof Static ) {
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123 return member;
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124 } else if( member instanceof Field ) {
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125 Field field = (Field)member;
157
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126 Object rtn = field.get(obj);
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127 return rtn instanceof Object[] ? Arrays.asList((Object[])rtn) : rtn;
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128 } else {
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129 Method method = (Method)member;
297
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130 return new LuanJavaFunction(method,obj);
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131 }
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132 } else {
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133 List<LuanJavaFunction> fns = new ArrayList<LuanJavaFunction>();
56
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134 for( Member member : members ) {
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135 Method method = (Method)member;
297
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136 fns.add(new LuanJavaFunction(method,obj));
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137 }
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138 return new AmbiguousJavaFunction(fns);
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139 }
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140 } catch(IllegalAccessException e) {
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141 throw new RuntimeException(e);
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142 }
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143 }
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144
428
df95199ca4c0 rename __newindex to __new_index
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145 public static void __new_index(LuanState luan,Object obj,Object key,Object value) throws LuanException {
421
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146 checkJava(luan);
60
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147 if( obj instanceof Static ) {
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148 if( key instanceof String ) {
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149 String name = (String)key;
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150 Static st = (Static)obj;
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151 Class cls = st.cls;
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152 List<Member> members = getStaticMembers(cls,name);
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153 if( !members.isEmpty() ) {
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154 if( members.size() != 1 )
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155 throw new RuntimeException("not field '"+name+"' of "+obj);
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156 setMember(obj,members,value);
421
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157 return;
60
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158 }
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159 }
130
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160 throw luan.exception("invalid member '"+key+"' for: "+obj);
60
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161 }
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162 Class cls = obj.getClass();
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163 if( cls.isArray() ) {
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164 Integer i = Luan.asInteger(key);
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165 if( i != null ) {
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166 Array.set(obj,i,value);
421
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167 return;
60
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168 }
130
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169 throw luan.exception("invalid member '"+key+"' for java array: "+obj);
60
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170 }
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171 if( key instanceof String ) {
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172 String name = (String)key;
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173 List<Member> members = getMembers(cls,name);
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174 if( !members.isEmpty() ) {
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175 if( members.size() != 1 )
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176 throw new RuntimeException("not field '"+name+"' of "+obj);
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diff changeset
177 setMember(obj,members,value);
421
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178 return;
60
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179 }
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180 }
130
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diff changeset
181 throw luan.exception("invalid member '"+key+"' for java object: "+obj);
60
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182 }
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diff changeset
183
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diff changeset
184 private static void setMember(Object obj,List<Member> members,Object value) {
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diff changeset
185 Field field = (Field)members.get(0);
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diff changeset
186 try {
100
6c827f7275df fix JavaLib.setMember() for int conversion
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diff changeset
187 try {
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diff changeset
188 field.set(obj,value);
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diff changeset
189 } catch(IllegalArgumentException e) {
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diff changeset
190 Class cls = field.getType();
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diff changeset
191 if( value instanceof Number ) {
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diff changeset
192 Number n = (Number)value;
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diff changeset
193 if( cls.equals(Integer.TYPE) || cls.equals(Integer.class) ) {
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diff changeset
194 int r = n.intValue();
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diff changeset
195 if( r==n.doubleValue() ) {
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diff changeset
196 field.setInt(obj,r);
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diff changeset
197 return;
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diff changeset
198 }
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diff changeset
199 }
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200 }
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201 throw e;
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202 }
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203 } catch(IllegalAccessException e) {
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204 throw new RuntimeException(e);
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205 }
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206 }
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207
102
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208 public static boolean privateAccess = false;
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209 private static Map<Class,Map<String,List<Member>>> memberMap = new HashMap<Class,Map<String,List<Member>>>();
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210
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211 private static synchronized List<Member> getMembers(Class cls,String name) {
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212 Map<String,List<Member>> clsMap = memberMap.get(cls);
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213 if( clsMap == null ) {
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214 clsMap = new HashMap<String,List<Member>>();
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215 for( Class c : cls.getClasses() ) {
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216 String s = c.getSimpleName();
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217 List<Member> list = new ArrayList<Member>();
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218 clsMap.put(s,list);
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219 list.add(new Static(c));
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220 }
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221 for( Field field : cls.getFields() ) {
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222 String s = field.getName();
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223 try {
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224 if( !cls.getField(s).equals(field) )
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225 continue; // not accessible
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226 } catch(NoSuchFieldException e) {
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227 throw new RuntimeException(e);
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228 }
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229 List<Member> list = new ArrayList<Member>();
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230 clsMap.put(s,list);
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231 list.add(field);
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232 }
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233 for( Method method : cls.getMethods() ) {
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234 String s = method.getName();
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235 List<Member> list = clsMap.get(s);
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236 if( list == null || !(list.get(0) instanceof Method) ) {
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237 list = new ArrayList<Member>();
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238 clsMap.put(s,list);
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239 }
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240 list.add(method);
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241 }
102
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242 if( privateAccess ) {
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243 for( Method method : cls.getDeclaredMethods() ) {
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244 String s = method.getName();
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245 List<Member> list = clsMap.get(s);
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246 if( list == null ) {
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247 list = new ArrayList<Member>();
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248 clsMap.put(s,list);
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249 } else if( !(list.get(0) instanceof Method) )
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250 continue;
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251 if( !list.contains(method) ) {
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252 list.add(method);
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253 }
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254 }
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255 for( Field field : cls.getDeclaredFields() ) {
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256 String s = field.getName();
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257 List<Member> list = clsMap.get(s);
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258 if( list == null ) {
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259 list = new ArrayList<Member>();
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260 clsMap.put(s,list);
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261 list.add(field);
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262 }
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263 }
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264 }
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265 for( List<Member> members : clsMap.values() ) {
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266 for( Member m : members ) {
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267 if( m instanceof AccessibleObject )
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268 ((AccessibleObject)m).setAccessible(true);
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269 }
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270 }
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271 memberMap.put(cls,clsMap);
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272 }
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273 List<Member> rtn = clsMap.get(name);
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274 if( rtn==null )
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275 rtn = Collections.emptyList();
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276 return rtn;
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277 }
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278
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279 private static synchronized List<Member> getStaticMembers(Class cls,String name) {
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280 List<Member> staticMembers = new ArrayList<Member>();
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281 for( Member m : getMembers(cls,name) ) {
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282 if( Modifier.isStatic(m.getModifiers()) )
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283 staticMembers.add(m);
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284 }
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285 return staticMembers;
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286 }
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287
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288 static final class Static implements Member {
37
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289 final Class cls;
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290
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291 Static(Class cls) {
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292 this.cls = cls;
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293 }
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294
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295 @Override public String toString() {
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296 return cls.toString();
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297 }
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298
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299 @Override public Class getDeclaringClass() {
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300 return cls.getDeclaringClass();
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301 }
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302
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303 @Override public String getName() {
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parents: 55
diff changeset
304 return cls.getName();
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parents: 55
diff changeset
305 }
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parents: 55
diff changeset
306
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parents: 55
diff changeset
307 @Override public int getModifiers() {
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parents: 55
diff changeset
308 return cls.getModifiers();
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parents: 55
diff changeset
309 }
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parents: 55
diff changeset
310
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parents: 55
diff changeset
311 @Override public boolean isSynthetic() {
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parents: 55
diff changeset
312 return cls.isSynthetic();
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parents: 55
diff changeset
313 }
304
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
314
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
315 public Object luan_proxy(final LuanState luan,final LuanTable t,final Object base) throws LuanException {
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
316 return Proxy.newProxyInstance(
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
317 cls.getClassLoader(),
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
318 new Class[]{cls},
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
319 new InvocationHandler() {
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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diff changeset
320 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
321 throws Throwable
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
322 {
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
323 if( args==null )
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
324 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
325 String name = method.getName();
426
23a93c118042 fix LuanTable.get() to use metatables
Franklin Schmidt <fschmidt@gmail.com>
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diff changeset
326 Object fnObj = t.get(luan,name);
304
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
327 if( fnObj==null && base!=null )
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
328 return method.invoke(base,args);
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
329 LuanFunction fn = luan.checkFunction(fnObj);
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
330 return Luan.first(luan.call(fn,name,args));
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
331 }
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
332 }
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 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
337 static {
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
338 try {
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
339 luan_proxyMethod = Static.class.getMethod("luan_proxy",LuanState.class,LuanTable.class,Object.class);
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
340 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
341 } catch(NoSuchMethodException e) {
03e9cda4748d add JavaLuan.Static.luan_proxy()
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 301
diff changeset
342 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
343 }
37
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
344 }
8a57ebfdfd78 add JavaLib
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diff changeset
345
299
a74559240b4f simplify PackageLuan and remove IO loading param
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 297
diff changeset
346 public static Static load(LuanState luan,String name) throws LuanException {
300
9fb523472035 add java() to control java access
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parents: 299
diff changeset
347 checkJava(luan);
51
28dfd91a816c various small issues
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 50
diff changeset
348 Class cls;
37
8a57ebfdfd78 add JavaLib
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diff changeset
349 try {
51
28dfd91a816c various small issues
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 50
diff changeset
350 cls = Class.forName(name);
37
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
351 } catch(ClassNotFoundException e) {
51
28dfd91a816c various small issues
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 50
diff changeset
352 try {
28dfd91a816c various small issues
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parents: 50
diff changeset
353 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
354 } 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
355 return null;
51
28dfd91a816c various small issues
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 50
diff changeset
356 }
37
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
357 }
51
28dfd91a816c various small issues
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 50
diff changeset
358 return new Static(cls);
37
8a57ebfdfd78 add JavaLib
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parents:
diff changeset
359 }
300
9fb523472035 add java() to control java access
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 299
diff changeset
360
9fb523472035 add java() to control java access
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 299
diff changeset
361 private static class AmbiguousJavaFunction extends LuanFunction {
48
64ecb7a3aad7 rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 46
diff changeset
362 private final Map<Integer,List<LuanJavaFunction>> fnMap = new HashMap<Integer,List<LuanJavaFunction>>();
37
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
363
48
64ecb7a3aad7 rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 46
diff changeset
364 AmbiguousJavaFunction(List<LuanJavaFunction> fns) {
64ecb7a3aad7 rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 46
diff changeset
365 for( LuanJavaFunction fn : fns ) {
37
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
366 Integer n = fn.getParameterTypes().length;
48
64ecb7a3aad7 rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 46
diff changeset
367 List<LuanJavaFunction> list = fnMap.get(n);
37
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
368 if( list==null ) {
48
64ecb7a3aad7 rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 46
diff changeset
369 list = new ArrayList<LuanJavaFunction>();
37
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
370 fnMap.put(n,list);
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
371 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
372 list.add(fn);
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
373 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
374 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
375
112
f5af13062b10 fix previous rev
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 108
diff changeset
376 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
48
64ecb7a3aad7 rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 46
diff changeset
377 for( LuanJavaFunction fn : fnMap.get(args.length) ) {
37
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
378 try {
55
9381b23ea9e1 various fixes
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 51
diff changeset
379 return fn.rawCall(luan,args);
37
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
380 } catch(IllegalArgumentException e) {}
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
381 }
402
62b457c50594 add stripe;
Franklin Schmidt <fschmidt@gmail.com>
parents: 321
diff changeset
382 throw luan.exception("no method matched args: "+Arrays.asList(args));
37
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
383 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
384 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
385
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
386 private static class InstanceOf {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
387 private final Object obj;
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
388
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
389 InstanceOf(Object obj) {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
390 this.obj = obj;
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
391 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
392
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
393 public boolean instanceOf(Static st) {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
394 return st.cls.isInstance(obj);
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
395 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
396 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
397 private static final Method instanceOf;
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
398 static {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
399 try {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
400 instanceOf = InstanceOf.class.getMethod("instanceOf",Static.class);
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
401 instanceOf.setAccessible(true);
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
402 } catch(NoSuchMethodException e) {
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
403 throw new RuntimeException(e);
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
404 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
405 }
8a57ebfdfd78 add JavaLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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406
304
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407 /*
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408 private static class AssertClass {
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409 private final Class cls;
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410
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411 AssertClass(Class cls) {
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412 this.cls = cls;
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413 }
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414
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415 public Object assertClass(LuanState luan,Object v) throws LuanException {
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416 if( !cls.isInstance(v) ) {
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417 String got = v.getClass().getSimpleName();
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418 String expected = cls.getSimpleName();
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419 throw luan.exception("bad argument #1 ("+expected+" expected, got "+got+")");
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420 }
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421 return v;
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422 }
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423 }
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424 private static final Method assertClass;
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425 static {
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426 try {
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427 assertClass = AssertClass.class.getMethod("assertClass",LuanState.class,Object.class);
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428 assertClass.setAccessible(true);
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429 } catch(NoSuchMethodException e) {
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430 throw new RuntimeException(e);
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431 }
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432 }
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433
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434
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435 public static Object proxy(final LuanState luan,Static st,final LuanTable t,final Object base) throws LuanException {
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436 return Proxy.newProxyInstance(
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437 st.cls.getClassLoader(),
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438 new Class[]{st.cls},
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439 new InvocationHandler() {
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440 public Object invoke(Object proxy,Method method, Object[] args)
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441 throws Throwable
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442 {
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443 if( args==null )
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444 args = new Object[0];
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445 String name = method.getName();
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446 Object fnObj = t.get(name);
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447 if( fnObj==null && base!=null )
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448 return method.invoke(base,args);
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449 LuanFunction fn = luan.checkFunction(fnObj);
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450 return Luan.first(luan.call(fn,name,args));
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451 }
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452 }
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453 );
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454 }
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455 */
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456
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457
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458
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459 // security
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460
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461 public interface Security {
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462 public void check(LuanState luan,String name) throws LuanException;
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463 }
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464
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465 private static String SECURITY_KEY = "Java.Security";
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466
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467 private static void check(LuanState luan,String name) throws LuanException {
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468 Security s = (Security)luan.registry().get(SECURITY_KEY);
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469 if( s!=null )
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470 s.check(luan,name);
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471 }
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472
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473 public static void setSecurity(LuanState luan,Security s) {
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474 luan.registry().put(SECURITY_KEY,s);
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475 }
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476
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477 }