Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/jdi/InterfaceTypeImpl.java @ 14188:29985fccf378
4990369: visibleMethods() and methodsByName() return wrong visible methods
Reviewed-by: sspitsyn, coleenp
| author | sla |
|---|---|
| date | Tue, 07 Jan 2014 10:50:28 +0100 |
| parents | c18cbe5936b8 |
| children | 4ca6dc0799b6 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2002, 2004, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 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. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.jdi; | |
| 26 | |
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27 import java.lang.ref.SoftReference; |
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28 import java.util.ArrayList; |
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29 import java.util.Collections; |
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30 import java.util.Iterator; |
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31 import java.util.List; |
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32 import java.util.Map; |
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33 import java.util.Set; |
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34 |
| 0 | 35 import sun.jvm.hotspot.oops.InstanceKlass; |
| 36 | |
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37 import com.sun.jdi.ClassNotPreparedException; |
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38 import com.sun.jdi.ClassType; |
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39 import com.sun.jdi.InterfaceType; |
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40 import com.sun.jdi.Method; |
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41 import com.sun.jdi.ReferenceType; |
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42 import com.sun.jdi.VirtualMachine; |
| 0 | 43 |
| 44 public class InterfaceTypeImpl extends ReferenceTypeImpl | |
| 45 implements InterfaceType { | |
| 46 private SoftReference superInterfacesCache = null; | |
| 47 private SoftReference subInterfacesCache = null; | |
| 48 private SoftReference implementorsCache = null; | |
| 49 | |
| 50 protected InterfaceTypeImpl(VirtualMachine aVm, InstanceKlass aRef) { | |
| 51 super(aVm, aRef); | |
| 52 } | |
| 53 | |
| 54 public List superinterfaces() throws ClassNotPreparedException { | |
| 55 List superinterfaces = (superInterfacesCache != null)? (List) superInterfacesCache.get() : null; | |
| 56 if (superinterfaces == null) { | |
| 57 checkPrepared(); | |
| 58 superinterfaces = Collections.unmodifiableList(getInterfaces()); | |
| 59 superInterfacesCache = new SoftReference(superinterfaces); | |
| 60 } | |
| 61 return superinterfaces; | |
| 62 } | |
| 63 | |
| 64 public List subinterfaces() { | |
| 65 List subinterfaces = (subInterfacesCache != null)? (List) subInterfacesCache.get() : null; | |
| 66 if (subinterfaces == null) { | |
| 67 List all = vm.allClasses(); | |
| 68 subinterfaces = new ArrayList(); | |
| 69 Iterator iter = all.iterator(); | |
| 70 while (iter.hasNext()) { | |
| 71 ReferenceType refType = (ReferenceType)iter.next(); | |
| 72 if (refType instanceof InterfaceType) { | |
| 73 InterfaceType interfaze = (InterfaceType)refType; | |
| 74 if (interfaze.isPrepared() && interfaze.superinterfaces().contains(this)) { | |
| 75 subinterfaces.add(interfaze); | |
| 76 } | |
| 77 } | |
| 78 } | |
| 79 subinterfaces = Collections.unmodifiableList(subinterfaces); | |
| 80 subInterfacesCache = new SoftReference(subinterfaces); | |
| 81 } | |
| 82 return subinterfaces; | |
| 83 } | |
| 84 | |
| 85 public List implementors() { | |
| 86 List implementors = (implementorsCache != null)? (List) implementorsCache.get() : null; | |
| 87 if (implementors == null) { | |
| 88 List all = vm.allClasses(); | |
| 89 implementors = new ArrayList(); | |
| 90 Iterator iter = all.iterator(); | |
| 91 while (iter.hasNext()) { | |
| 92 ReferenceType refType = (ReferenceType)iter.next(); | |
| 93 if (refType instanceof ClassType) { | |
| 94 ClassType clazz = (ClassType)refType; | |
| 95 if (clazz.isPrepared() && clazz.interfaces().contains(this)) { | |
| 96 implementors.add(clazz); | |
| 97 } | |
| 98 } | |
| 99 } | |
| 100 implementors = Collections.unmodifiableList(implementors); | |
| 101 implementorsCache = new SoftReference(implementors); | |
| 102 } | |
| 103 return implementors; | |
| 104 } | |
| 105 | |
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106 @Override |
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107 void addVisibleMethods(Map<String, Method> methodMap, Set<InterfaceType> seenInterfaces) { |
| 0 | 108 /* |
| 109 * Add methods from | |
| 110 * parent types first, so that the methods in this class will | |
| 111 * overwrite them in the hash table | |
| 112 */ | |
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113 Iterator<InterfaceType> iter = superinterfaces().iterator(); |
| 0 | 114 while (iter.hasNext()) { |
| 115 InterfaceTypeImpl interfaze = (InterfaceTypeImpl)iter.next(); | |
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116 if (!seenInterfaces.contains(interfaze)) { |
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117 interfaze.addVisibleMethods(methodMap, seenInterfaces); |
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118 seenInterfaces.add(interfaze); |
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119 } |
| 0 | 120 } |
| 121 | |
| 122 addToMethodMap(methodMap, methods()); | |
| 123 } | |
| 124 | |
| 125 List getAllMethods() { | |
| 126 ArrayList list = new ArrayList(methods()); | |
| 127 /* | |
| 128 * It's more efficient if don't do this | |
| 129 * recursively. | |
| 130 */ | |
| 131 List interfaces = allSuperinterfaces(); | |
| 132 Iterator iter = interfaces.iterator(); | |
| 133 while (iter.hasNext()) { | |
| 134 InterfaceType interfaze = (InterfaceType)iter.next(); | |
| 135 list.addAll(interfaze.methods()); | |
| 136 } | |
| 137 | |
| 138 return list; | |
| 139 } | |
| 140 | |
| 141 List allSuperinterfaces() { | |
| 142 ArrayList list = new ArrayList(); | |
| 143 addSuperinterfaces(list); | |
| 144 return list; | |
| 145 } | |
| 146 | |
| 147 void addSuperinterfaces(List list) { | |
| 148 /* | |
| 149 * This code is a little strange because it | |
| 150 * builds the list with a more suitable order than the | |
| 151 * depth-first approach a normal recursive solution would | |
| 152 * take. Instead, all direct superinterfaces precede all | |
| 153 * indirect ones. | |
| 154 */ | |
| 155 | |
| 156 /* | |
| 157 * Get a list of direct superinterfaces that's not already in the | |
| 158 * list being built. | |
| 159 */ | |
| 160 List immediate = new ArrayList(superinterfaces()); | |
| 161 Iterator iter = immediate.iterator(); | |
| 162 while (iter.hasNext()) { | |
| 163 InterfaceType interfaze = (InterfaceType)iter.next(); | |
| 164 if (list.contains(interfaze)) { | |
| 165 iter.remove(); | |
| 166 } | |
| 167 } | |
| 168 | |
| 169 /* | |
| 170 * Add all new direct superinterfaces | |
| 171 */ | |
| 172 list.addAll(immediate); | |
| 173 | |
| 174 /* | |
| 175 * Recurse for all new direct superinterfaces. | |
| 176 */ | |
| 177 iter = immediate.iterator(); | |
| 178 while (iter.hasNext()) { | |
| 179 InterfaceTypeImpl interfaze = (InterfaceTypeImpl)iter.next(); | |
| 180 interfaze.addSuperinterfaces(list); | |
| 181 } | |
| 182 } | |
| 183 | |
| 184 boolean isAssignableTo(ReferenceType type) { | |
| 185 | |
| 186 // Exact match? | |
| 187 if (this.equals(type)) { | |
| 188 return true; | |
| 189 } else { | |
| 190 // Try superinterfaces. | |
| 191 List supers = superinterfaces(); | |
| 192 Iterator iter = supers.iterator(); | |
| 193 while (iter.hasNext()) { | |
| 194 InterfaceTypeImpl interfaze = (InterfaceTypeImpl)iter.next(); | |
| 195 if (interfaze.isAssignableTo(type)) { | |
| 196 return true; | |
| 197 } | |
| 198 } | |
| 199 | |
| 200 return false; | |
| 201 } | |
| 202 } | |
| 203 | |
| 204 List inheritedTypes() { | |
| 205 return superinterfaces(); | |
| 206 } | |
| 207 | |
| 208 public boolean isInitialized() { | |
| 209 return isPrepared(); | |
| 210 } | |
| 211 | |
| 212 public String toString() { | |
| 213 return "interface " + name() + " (" + loaderString() + ")"; | |
| 214 } | |
| 215 } |