Mercurial > hg > truffle

annotate graal/com.oracle.max.graal.hotspot/src/com/oracle/max/graal/hotspot/ri/HotSpotTypeResolvedImpl.java @ 4433:b494d6f329a3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
some more checkcast opts
author Lukas Stadler <lukas.stadler@jku.at>
date Fri, 03 Feb 2012 17:13:46 +0100
parents 5c80ccb80036
children 14a00ee82980
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1 /*
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2 * Copyright (c) 2011, 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.max.graal.hotspot.ri;
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24
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25 import java.lang.annotation.*;
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26 import java.lang.reflect.*;
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27 import java.util.*;
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28
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29 import com.oracle.max.cri.ci.*;
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30 import com.oracle.max.cri.ri.*;
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31
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32 /**
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33 * Implementation of RiType for resolved non-primitive HotSpot classes.
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34 */
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35 public final class HotSpotTypeResolvedImpl extends HotSpotType implements HotSpotTypeResolved {
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36
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37 /**
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38 *
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39 */
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40 private static final long serialVersionUID = 3481514353553840471L;
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41 private Class javaMirror;
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42 private String simpleName;
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43 private int accessFlags;
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44 private boolean hasFinalizer;
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45 private boolean hasSubclass;
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46 private boolean hasFinalizableSubclass;
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47 private boolean isArrayClass;
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48 private boolean isInstanceClass;
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49 private boolean isInterface;
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50 private int instanceSize;
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51 private HashMap<Long, RiResolvedField> fieldCache;
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52 private RiResolvedType superType;
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53 private boolean superTypeSet;
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54 private RiResolvedField[] fields;
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55 private RiConstantPool constantPool;
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56 private boolean isInitialized;
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57 private RiResolvedType arrayOfType;
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58
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59 private HotSpotTypeResolvedImpl() {
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60 super(null);
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61 }
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62
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63 @Override
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64 public int accessFlags() {
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65 return accessFlags;
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66 }
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67
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68 @Override
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69 public RiResolvedType arrayOf() {
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70 if (arrayOfType == null) {
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71 arrayOfType = (RiResolvedType) compiler.getVMEntries().RiType_arrayOf(this);
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72 }
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73 return arrayOfType;
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74 }
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75
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76 @Override
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77 public RiResolvedType componentType() {
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78 assert isArrayClass();
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79 return (RiResolvedType) compiler.getVMEntries().RiType_componentType(this);
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80 }
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81
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82 @Override
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83 public RiResolvedType uniqueConcreteSubtype() {
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84 if (isArrayClass()) {
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85 return Modifier.isFinal(componentType().accessFlags()) ? this : null;
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86 } else {
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87 return (RiResolvedType) compiler.getVMEntries().RiType_uniqueConcreteSubtype(this);
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88 }
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89 }
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90
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91 @Override
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92 public RiResolvedType superType() {
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93 if (!superTypeSet) {
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94 superType = (RiResolvedType) compiler.getVMEntries().RiType_superType(this);
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95 superTypeSet = true;
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96 }
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97 return superType;
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98 }
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99
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100 @Override
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101 public RiResolvedType exactType() {
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102 if (Modifier.isFinal(accessFlags)) {
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103 return this;
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104 }
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105 return null;
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106 }
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107
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108 @Override
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109 public CiConstant getEncoding(Representation r) {
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110 switch (r) {
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111 case JavaClass:
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112 return CiConstant.forObject(javaMirror);
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113 case ObjectHub:
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114 return CiConstant.forObject(this);
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115 case StaticFields:
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116 return CiConstant.forObject(javaMirror);
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117 case TypeInfo:
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118 return CiConstant.forObject(this);
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119 default:
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120 return null;
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121 }
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122 }
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123
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124 @Override
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125 public CiKind getRepresentationKind(Representation r) {
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126 return CiKind.Object;
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127 }
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128
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129 @Override
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130 public boolean hasFinalizableSubclass() {
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131 return hasFinalizableSubclass;
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132 }
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133
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134 @Override
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135 public boolean hasFinalizer() {
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136 return hasFinalizer;
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137 }
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138
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139 @Override
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140 public boolean hasSubclass() {
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141 return hasSubclass;
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142 }
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143
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diff changeset
144 @Override
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diff changeset
145 public boolean isArrayClass() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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146 return isArrayClass;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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147 }
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148
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149 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
150 public boolean isInitialized() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
151 if (!isInitialized) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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152 isInitialized = compiler.getVMEntries().RiType_isInitialized(this);
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153 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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154 return isInitialized;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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155 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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156
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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157 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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158 public boolean isInstance(CiConstant obj) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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159 return javaMirror.isInstance(obj);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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160 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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161
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
162 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
163 public boolean isInstanceClass() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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164 return isInstanceClass;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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165 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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166
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
167 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
168 public boolean isInterface() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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169 return isInterface;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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170 }
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parents:
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171
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
172 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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173 public boolean isSubtypeOf(RiResolvedType other) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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174 if (other instanceof HotSpotTypeResolved) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
175 return compiler.getVMEntries().RiType_isSubtypeOf(this, other);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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176 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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177 // No resolved type is a subtype of an unresolved type.
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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178 return false;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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179 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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180
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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181 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
182 public CiKind kind(boolean architecture) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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183 return CiKind.Object;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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184 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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185
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
186 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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187 public RiResolvedMethod resolveMethodImpl(RiResolvedMethod method) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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188 assert method instanceof HotSpotMethod;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
189 return (RiResolvedMethod) compiler.getVMEntries().RiType_resolveMethodImpl(this, method.name(), method.signature().asString());
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
190 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
191
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
192 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
193 public String toString() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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194 return "HotSpotType<" + simpleName + ", resolved>";
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
195 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
196
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
197 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
198 public RiConstantPool constantPool() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
199 if (constantPool == null) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
200 constantPool = new HotSpotConstantPool(compiler, this);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
201 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
202 return constantPool;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
203 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
204
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
205 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
206 public int instanceSize() {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
207 return instanceSize;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
208 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
209
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
210 @Override
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
211 public synchronized RiResolvedField createRiField(String fieldName, RiType type, int offset, int flags) {
3733
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parents:
diff changeset
212 RiResolvedField result = null;
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parents:
diff changeset
213
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
214 long id = offset + ((long) flags << 32);
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parents:
diff changeset
215
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
216 // (tw) Must cache the fields, because the local load elimination only works if the objects from two field lookups are equal.
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
217 if (fieldCache == null) {
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
218 fieldCache = new HashMap<>(8);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
219 } else {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
220 result = fieldCache.get(id);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
221 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
222
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
223 if (result == null) {
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
224 result = new HotSpotField(compiler, this, fieldName, type, offset, flags);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
225 fieldCache.put(id, result);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
226 } else {
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
227 assert result.name().equals(fieldName);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
228 assert result.accessFlags() == flags;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
229 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
230
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
231 return result;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
232 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
233
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
234 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
235 public RiResolvedMethod uniqueConcreteMethod(RiResolvedMethod method) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
236 return ((HotSpotMethodResolved) method).uniqueConcreteMethod();
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
237 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
238
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
239 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
240 public RiResolvedField[] declaredFields() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
241 if (fields == null) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
242 fields = compiler.getVMEntries().RiType_fields(this);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
243 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
244 return fields;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
245 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
246
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
247 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
248 public Class< ? > toJava() {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
249 return javaMirror;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
250 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
251
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
252 @Override
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
253 public <T extends Annotation> T getAnnotation(Class<T> annotationClass) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
254 return toJava().getAnnotation(annotationClass);
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
255 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
256 }