Mercurial > hg > graal-compiler
annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotTypeUnresolved.java @ 2062:231bf6b9f5ad
Added caching for constant pool entries.
author | Thomas Wuerthinger <wuerthinger@ssw.jku.at> |
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date | Sat, 22 Jan 2011 17:31:11 +0100 |
parents | 99ad52189524 |
children | f21664b3dd1c 569d3fe7d65c |
rev | line source |
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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(String name) { |
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40 assert name.length() > 0 : "name cannot be empty"; |
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41 |
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42 int dimensions = 0; |
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43 // Decode name if necessary. |
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44 if (name.charAt(name.length() - 1) == ';') { |
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45 int startIndex = 0; |
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46 while (name.charAt(startIndex) == '[') { |
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47 startIndex++; |
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48 dimensions++; |
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49 } |
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50 assert name.charAt(startIndex) == 'L'; |
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51 this.simpleName = name.substring(startIndex + 1, name.length() - 1); |
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52 this.name = name; |
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53 } else { |
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54 this.simpleName = name; |
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55 this.name = getFullName(name, dimensions); |
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56 } |
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57 |
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58 this.dimensions = dimensions; |
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59 } |
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60 |
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61 public HotSpotTypeUnresolved(String name, int dimensions) { |
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62 assert dimensions >= 0; |
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63 this.simpleName = name; |
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64 this.dimensions = dimensions; |
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65 this.name = getFullName(name, dimensions); |
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66 } |
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67 |
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68 private String getFullName(String name, int dimensions) { |
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69 StringBuilder str = new StringBuilder(); |
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70 for (int i = 0; i < dimensions; i++) { |
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71 str.append('['); |
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72 } |
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73 str.append('L').append(simpleName).append(';'); |
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74 return str.toString(); |
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75 } |
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76 |
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77 @Override |
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78 public RiType uniqueConcreteSubtype() { |
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79 throw unresolved("uniqueConcreteSubtype"); |
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80 } |
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81 |
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82 @Override |
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83 public Class<?> javaClass() { |
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84 throw unresolved("javaClass"); |
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85 } |
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86 |
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87 @Override |
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88 public boolean hasSubclass() { |
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89 throw unresolved("hasSubclass()"); |
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90 } |
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91 |
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92 @Override |
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93 public boolean hasFinalizer() { |
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94 throw unresolved("hasFinalizer()"); |
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95 } |
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96 |
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97 @Override |
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98 public boolean hasFinalizableSubclass() { |
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99 throw unresolved("hasFinalizableSubclass()"); |
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100 } |
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101 |
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102 @Override |
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103 public boolean isInterface() { |
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104 throw unresolved("isInterface()"); |
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105 } |
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106 |
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107 @Override |
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108 public boolean isArrayClass() { |
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109 return dimensions > 0; |
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110 } |
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111 |
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112 @Override |
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113 public boolean isInstanceClass() { |
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114 throw unresolved("isInstanceClass()"); |
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115 } |
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116 |
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117 @Override |
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118 public int accessFlags() { |
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119 throw unresolved("accessFlags()"); |
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120 } |
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121 |
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122 @Override |
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123 public boolean isResolved() { |
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124 return false; |
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125 } |
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126 |
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127 @Override |
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128 public boolean isInitialized() { |
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129 throw unresolved("isInitialized()"); |
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130 } |
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131 |
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132 @Override |
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133 public boolean isSubtypeOf(RiType other) { |
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134 throw unresolved("isSubtypeOf()"); |
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135 } |
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136 |
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137 @Override |
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138 public boolean isInstance(Object obj) { |
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139 throw unresolved("isInstance()"); |
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140 } |
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141 |
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142 @Override |
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143 public RiType componentType() { |
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144 assert isArrayClass() : "no array class" + name(); |
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145 return new HotSpotTypeUnresolved(simpleName, dimensions - 1); |
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146 } |
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147 |
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148 @Override |
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149 public RiType exactType() { |
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150 throw unresolved("exactType()"); |
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151 } |
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152 |
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153 @Override |
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154 public RiType arrayOf() { |
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155 return new HotSpotTypeUnresolved(simpleName, dimensions + 1); |
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156 } |
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157 |
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158 @Override |
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159 public RiMethod resolveMethodImpl(RiMethod method) { |
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160 throw unresolved("resolveMethodImpl()"); |
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161 } |
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162 |
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163 @Override |
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164 public CiKind kind() { |
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165 return CiKind.Object; |
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166 } |
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167 |
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168 private CiUnresolvedException unresolved(String operation) { |
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169 throw new CiUnresolvedException(operation + " not defined for unresolved class " + simpleName); |
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170 } |
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171 |
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172 @Override |
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173 public int hashCode() { |
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174 return simpleName.hashCode(); |
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175 } |
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176 |
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177 @Override |
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178 public boolean equals(Object o) { |
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179 return o == this; |
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180 } |
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181 |
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182 @Override |
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183 public String toString() { |
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184 return "HotSpotType<" + simpleName + ", unresolved>"; |
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185 } |
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186 |
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187 @Override |
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188 public CiConstant getEncoding(RiType.Representation r) { |
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189 throw unresolved("getEncoding()"); |
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190 } |
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191 |
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192 @Override |
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193 public CiKind getRepresentationKind(RiType.Representation r) { |
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194 return CiKind.Object; |
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195 } |
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196 |
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197 } |