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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotTypeUnresolved.java @ 2284:569d3fe7d65c

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non-static VMEntries and VMExits, CompilationServer simplifications
author Lukas Stadler <lukas.stadler@jku.at>
date Thu, 07 Apr 2011 15:32:25 +0200
parents 99ad52189524
children 6190d20bd6d6
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1 /*
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2 * Copyright (c) 2010 Sun Microsystems, Inc. All rights reserved.
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3 *
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4 * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product
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5 * that is described in this document. In particular, and without limitation, these intellectual property
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6 * rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and one or
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7 * more additional patents or pending patent applications in the U.S. and in other countries.
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8 *
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9 * U.S. Government Rights - Commercial software. Government users are subject to the Sun
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10 * Microsystems, Inc. standard license agreement and applicable provisions of the FAR and its
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11 * supplements.
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12 *
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13 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or
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14 * registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks
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15 * are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the
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16 * U.S. and other countries.
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17 *
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18 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open
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19 * Company, Ltd.
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20 */
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21 package com.sun.hotspot.c1x;
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22
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23 import com.sun.cri.ci.*;
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24 import com.sun.cri.ri.*;
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25
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26 /**
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27 * Implementation of RiType for unresolved HotSpot classes.
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28 *
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29 * @author Thomas Wuerthinger, Lukas Stadler
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30 */
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31 public class HotSpotTypeUnresolved extends HotSpotType {
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32
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33 public final String simpleName;
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34 public final int dimensions;
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35
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36 /**
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37 * Creates a new unresolved type for a specified type descriptor.
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38 */
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39 public HotSpotTypeUnresolved(Compiler compiler, String name) {
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40 super(compiler);
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41 assert name.length() > 0 : "name cannot be empty";
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42
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43 int dimensions = 0;
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44 // Decode name if necessary.
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45 if (name.charAt(name.length() - 1) == ';') {
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46 int startIndex = 0;
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47 while (name.charAt(startIndex) == '[') {
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48 startIndex++;
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49 dimensions++;
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50 }
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51 assert name.charAt(startIndex) == 'L';
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52 this.simpleName = name.substring(startIndex + 1, name.length() - 1);
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53 this.name = name;
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54 } else {
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55 this.simpleName = name;
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56 this.name = getFullName(name, dimensions);
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57 }
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58
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59 this.dimensions = dimensions;
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60 }
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61
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62 public HotSpotTypeUnresolved(Compiler compiler, String name, int dimensions) {
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63 super(compiler);
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64 assert dimensions >= 0;
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65 this.simpleName = name;
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66 this.dimensions = dimensions;
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67 this.name = getFullName(name, dimensions);
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68 }
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69
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70 private String getFullName(String name, int dimensions) {
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71 StringBuilder str = new StringBuilder();
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72 for (int i = 0; i < dimensions; i++) {
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73 str.append('[');
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74 }
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75 str.append('L').append(simpleName).append(';');
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76 return str.toString();
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77 }
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78
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79 @Override
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80 public RiType uniqueConcreteSubtype() {
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81 throw unresolved("uniqueConcreteSubtype");
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82 }
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83
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84 @Override
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85 public Class<?> javaClass() {
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86 throw unresolved("javaClass");
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87 }
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88
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89 @Override
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90 public boolean hasSubclass() {
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91 throw unresolved("hasSubclass()");
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92 }
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93
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94 @Override
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95 public boolean hasFinalizer() {
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96 throw unresolved("hasFinalizer()");
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97 }
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98
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99 @Override
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100 public boolean hasFinalizableSubclass() {
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101 throw unresolved("hasFinalizableSubclass()");
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102 }
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103
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104 @Override
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105 public boolean isInterface() {
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106 throw unresolved("isInterface()");
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107 }
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108
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109 @Override
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110 public boolean isArrayClass() {
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111 return dimensions > 0;
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112 }
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113
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114 @Override
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115 public boolean isInstanceClass() {
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116 throw unresolved("isInstanceClass()");
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117 }
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118
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119 @Override
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120 public int accessFlags() {
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121 throw unresolved("accessFlags()");
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122 }
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123
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124 @Override
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125 public boolean isResolved() {
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126 return false;
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127 }
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128
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129 @Override
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130 public boolean isInitialized() {
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131 throw unresolved("isInitialized()");
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132 }
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133
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134 @Override
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135 public boolean isSubtypeOf(RiType other) {
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136 throw unresolved("isSubtypeOf()");
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137 }
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138
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139 @Override
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140 public boolean isInstance(Object obj) {
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141 throw unresolved("isInstance()");
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142 }
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143
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144 @Override
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145 public RiType componentType() {
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146 assert isArrayClass() : "no array class" + name();
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147 return new HotSpotTypeUnresolved(compiler, simpleName, dimensions - 1);
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148 }
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149
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150 @Override
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151 public RiType exactType() {
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152 throw unresolved("exactType()");
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153 }
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154
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155 @Override
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156 public RiType arrayOf() {
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157 return new HotSpotTypeUnresolved(compiler, simpleName, dimensions + 1);
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158 }
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159
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160 @Override
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161 public RiMethod resolveMethodImpl(RiMethod method) {
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162 throw unresolved("resolveMethodImpl()");
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163 }
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164
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165 @Override
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166 public CiKind kind() {
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167 return CiKind.Object;
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168 }
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169
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170 private CiUnresolvedException unresolved(String operation) {
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171 throw new CiUnresolvedException(operation + " not defined for unresolved class " + simpleName);
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172 }
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173
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174 @Override
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175 public int hashCode() {
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176 return simpleName.hashCode();
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177 }
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178
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179 @Override
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180 public boolean equals(Object o) {
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181 return o == this;
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182 }
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183
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184 @Override
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185 public String toString() {
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186 return "HotSpotType<" + simpleName + ", unresolved>";
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187 }
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188
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189 @Override
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190 public CiConstant getEncoding(RiType.Representation r) {
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191 throw unresolved("getEncoding()");
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192 }
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193
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194 @Override
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195 public CiKind getRepresentationKind(RiType.Representation r) {
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196 return CiKind.Object;
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197 }
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198
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199 }