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annotate graal/com.oracle.jvmci.runtime.test/src/com/oracle/jvmci/runtime/test/TypeUniverse.java @ 21667:5910a266f32d

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TypeUniverse: add JaCoCo Exclude.
author Josef Eisl <josef.eisl@jku.at>
date Tue, 02 Jun 2015 17:50:41 +0200
parents 381ab4105afe
children
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1 /*
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2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.jvmci.runtime.test;
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24
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25 import static java.lang.reflect.Modifier.*;
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26
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27 import java.io.*;
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28 import java.lang.reflect.*;
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29 import java.util.*;
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30 import java.util.Queue;
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31 import java.util.stream.*;
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32
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33 import org.junit.*;
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34
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35 import sun.misc.*;
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36
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37 import com.oracle.jvmci.meta.*;
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38 import com.oracle.jvmci.runtime.*;
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39
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5910a266f32d TypeUniverse: add JaCoCo Exclude.
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40 //JaCoCo Exclude
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41
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42 /**
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43 * Context for type related tests.
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44 */
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45 public class TypeUniverse {
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46
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47 public static final Unsafe unsafe;
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48 public static final double JAVA_VERSION = Double.valueOf(System.getProperty("java.specification.version"));
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49
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50 public static final MetaAccessProvider metaAccess = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess();
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51 public static final ConstantReflectionProvider constantReflection = JVMCI.getRuntime().getHostJVMCIBackend().getConstantReflection();
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52 public static final Collection<Class<?>> classes = new HashSet<>();
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53 public static final Set<ResolvedJavaType> javaTypes;
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54 public static final Map<Class<?>, Class<?>> arrayClasses = new HashMap<>();
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55
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56 private static List<ConstantValue> constants;
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57
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58 static {
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59 Unsafe theUnsafe = null;
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60 try {
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61 theUnsafe = Unsafe.getUnsafe();
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62 } catch (Exception e) {
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63 try {
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64 Field theUnsafeField = Unsafe.class.getDeclaredField("theUnsafe");
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65 theUnsafeField.setAccessible(true);
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66 theUnsafe = (Unsafe) theUnsafeField.get(null);
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67 } catch (Exception e1) {
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68 throw (InternalError) new InternalError("unable to initialize unsafe").initCause(e1);
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69 }
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70 }
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71 unsafe = theUnsafe;
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72
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73 Class<?>[] initialClasses = {void.class, boolean.class, byte.class, short.class, char.class, int.class, float.class, long.class, double.class, Object.class, Class.class, ClassLoader.class,
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74 String.class, Serializable.class, Cloneable.class, Test.class, TestMetaAccessProvider.class, List.class, Collection.class, Map.class, Queue.class, HashMap.class,
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75 LinkedHashMap.class, IdentityHashMap.class, AbstractCollection.class, AbstractList.class, ArrayList.class, TrustedInterface.class};
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76 for (Class<?> c : initialClasses) {
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77 addClass(c);
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78 }
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79
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80 javaTypes = Collections.unmodifiableSet(classes.stream().map(c -> metaAccess.lookupJavaType(c)).collect(Collectors.toSet()));
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81 }
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82
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83 static class ConstantsUniverse {
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84 static final Object[] ARRAYS = classes.stream().map(c -> c != void.class && !c.isArray() ? Array.newInstance(c, 42) : null).filter(o -> o != null).collect(Collectors.toList()).toArray();
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85 static final Object CONST1 = new ArrayList<>();
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86 static final Object CONST2 = new ArrayList<>();
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87 static final Object CONST3 = new IdentityHashMap<>();
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88 static final Object CONST4 = new LinkedHashMap<>();
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89 static final Object CONST5 = new TreeMap<>();
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90 static final Object CONST6 = new ArrayDeque<>();
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91 static final Object CONST7 = new LinkedList<>();
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92 static final Object CONST8 = "a string";
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93 static final Object CONST9 = 42;
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94 static final Object CONST10 = String.class;
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95 static final Object CONST11 = String[].class;
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96 }
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97
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98 public static List<ConstantValue> constants() {
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99 if (constants == null) {
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100 List<ConstantValue> res = readConstants(JavaConstant.class);
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101 res.addAll(readConstants(ConstantsUniverse.class));
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102 constants = res;
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103 }
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104 return constants;
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105 }
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106
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107 public static class ConstantValue {
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108 public final String name;
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109 public final JavaConstant value;
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110 public final Object boxed;
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111
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112 public ConstantValue(String name, JavaConstant value, Object boxed) {
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113 this.name = name;
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114 this.value = value;
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115 this.boxed = boxed;
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116 }
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117
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118 @Override
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119 public String toString() {
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120 return name + "=" + value;
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121 }
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122
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123 public String getSimpleName() {
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124 return name.substring(name.lastIndexOf('.') + 1);
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125 }
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126 }
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127
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128 /**
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129 * Reads the value of all {@code static final} fields from a given class into an array of
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130 * {@link ConstantValue}s.
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131 */
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132 public static List<ConstantValue> readConstants(Class<?> fromClass) {
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133 try {
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134 List<ConstantValue> res = new ArrayList<>();
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135 for (Field field : fromClass.getDeclaredFields()) {
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136 if (isStatic(field.getModifiers()) && isFinal(field.getModifiers())) {
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137 JavaField javaField = metaAccess.lookupJavaField(field);
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138 Object boxed = field.get(null);
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139 if (boxed instanceof JavaConstant) {
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140 res.add(new ConstantValue(javaField.format("%H.%n"), (JavaConstant) boxed, boxed));
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141 } else {
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142 JavaConstant value = constantReflection.readConstantFieldValue(javaField, null);
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143 if (value != null) {
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144 res.add(new ConstantValue(javaField.format("%H.%n"), value, boxed));
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145 if (boxed instanceof Object[]) {
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146 Object[] arr = (Object[]) boxed;
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147 for (int i = 0; i < arr.length; i++) {
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148 JavaConstant element = constantReflection.readArrayElement(value, i);
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149 if (element != null) {
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150 res.add(new ConstantValue(javaField.format("%H.%n[" + i + "]"), element, arr[i]));
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151 }
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152 }
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153 }
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154 }
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155 }
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156 }
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157 }
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158 return res;
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159 } catch (Exception e) {
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160 throw new AssertionError(e);
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161 }
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162 }
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163
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164 public synchronized Class<?> getArrayClass(Class<?> componentType) {
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165 Class<?> arrayClass = arrayClasses.get(componentType);
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166 if (arrayClass == null) {
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167 arrayClass = Array.newInstance(componentType, 0).getClass();
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168 arrayClasses.put(componentType, arrayClass);
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169 }
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170 return arrayClass;
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171 }
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172
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173 public static int dimensions(Class<?> c) {
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174 if (c.getComponentType() != null) {
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175 return 1 + dimensions(c.getComponentType());
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176 }
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177 return 0;
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178 }
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179
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180 private static void addClass(Class<?> c) {
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181 if (classes.add(c)) {
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182 if (c.getSuperclass() != null) {
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183 addClass(c.getSuperclass());
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184 }
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185 for (Class<?> sc : c.getInterfaces()) {
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186 addClass(sc);
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187 }
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188 for (Class<?> dc : c.getDeclaredClasses()) {
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189 addClass(dc);
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190 }
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191 for (Method m : c.getDeclaredMethods()) {
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192 addClass(m.getReturnType());
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193 for (Class<?> p : m.getParameterTypes()) {
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194 addClass(p);
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195 }
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196 }
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197
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198 if (c != void.class && dimensions(c) < 2) {
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199 Class<?> arrayClass = Array.newInstance(c, 0).getClass();
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200 arrayClasses.put(c, arrayClass);
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201 addClass(arrayClass);
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202 }
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203 }
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204 }
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205 }