Mercurial > hg > graal-jvmci-8
annotate agent/src/share/classes/sun/jvm/hotspot/jdi/ClassTypeImpl.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, 2007, 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.HashSet; |
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31 import java.util.Iterator; |
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32 import java.util.List; |
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33 import java.util.Map; |
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34 import java.util.Set; |
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35 |
| 0 | 36 import sun.jvm.hotspot.oops.InstanceKlass; |
| 37 | |
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38 import com.sun.jdi.ClassNotLoadedException; |
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39 import com.sun.jdi.ClassType; |
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40 import com.sun.jdi.Field; |
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41 import com.sun.jdi.IncompatibleThreadStateException; |
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42 import com.sun.jdi.InterfaceType; |
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43 import com.sun.jdi.InvalidTypeException; |
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44 import com.sun.jdi.InvocationException; |
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45 import com.sun.jdi.Method; |
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46 import com.sun.jdi.ObjectReference; |
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47 import com.sun.jdi.ReferenceType; |
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48 import com.sun.jdi.ThreadReference; |
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49 import com.sun.jdi.Value; |
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50 import com.sun.jdi.VirtualMachine; |
| 0 | 51 |
| 52 public class ClassTypeImpl extends ReferenceTypeImpl | |
| 53 implements ClassType | |
| 54 { | |
| 55 private SoftReference interfacesCache = null; | |
| 56 private SoftReference allInterfacesCache = null; | |
| 57 private SoftReference subclassesCache = null; | |
| 58 | |
| 59 protected ClassTypeImpl(VirtualMachine aVm, InstanceKlass aRef) { | |
| 60 super(aVm, aRef); | |
| 61 } | |
| 62 | |
| 63 public ClassType superclass() { | |
| 64 InstanceKlass kk = (InstanceKlass)ref().getSuper(); | |
| 65 if (kk == null) { | |
| 66 return null; | |
| 67 } | |
| 68 return (ClassType) vm.referenceType(kk); | |
| 69 } | |
| 70 | |
| 71 public List interfaces() { | |
| 72 List interfaces = (interfacesCache != null)? (List) interfacesCache.get() : null; | |
| 73 if (interfaces == null) { | |
| 74 checkPrepared(); | |
| 75 interfaces = Collections.unmodifiableList(getInterfaces()); | |
| 76 interfacesCache = new SoftReference(interfaces); | |
| 77 } | |
| 78 return interfaces; | |
| 79 } | |
| 80 | |
| 81 void addInterfaces(List list) { | |
| 82 List immediate = interfaces(); | |
| 83 | |
| 84 HashSet hashList = new HashSet(list); | |
| 85 hashList.addAll(immediate); | |
| 86 list.clear(); | |
| 87 list.addAll(hashList); | |
| 88 | |
| 89 Iterator iter = immediate.iterator(); | |
| 90 while (iter.hasNext()) { | |
| 91 InterfaceTypeImpl interfaze = (InterfaceTypeImpl)iter.next(); | |
| 92 interfaze.addSuperinterfaces(list); | |
| 93 } | |
| 94 | |
| 95 ClassTypeImpl superclass = (ClassTypeImpl)superclass(); | |
| 96 if (superclass != null) { | |
| 97 superclass.addInterfaces(list); | |
| 98 } | |
| 99 } | |
| 100 | |
| 101 public List allInterfaces() { | |
| 102 List allinterfaces = (allInterfacesCache != null)? (List) allInterfacesCache.get() : null; | |
| 103 if (allinterfaces == null) { | |
| 104 checkPrepared(); | |
| 105 allinterfaces = new ArrayList(); | |
| 106 addInterfaces(allinterfaces); | |
| 107 allinterfaces = Collections.unmodifiableList(allinterfaces); | |
| 108 allInterfacesCache = new SoftReference(allinterfaces); | |
| 109 } | |
| 110 return allinterfaces; | |
| 111 } | |
| 112 | |
| 113 public List subclasses() { | |
| 114 List subclasses = (subclassesCache != null)? (List) subclassesCache.get() : null; | |
| 115 if (subclasses == null) { | |
| 116 List all = vm.allClasses(); | |
| 117 subclasses = new ArrayList(0); | |
| 118 Iterator iter = all.iterator(); | |
| 119 while (iter.hasNext()) { | |
| 120 ReferenceType refType = (ReferenceType)iter.next(); | |
| 121 if (refType instanceof ClassType) { | |
| 122 ClassType clazz = (ClassType)refType; | |
| 123 ClassType superclass = clazz.superclass(); | |
| 124 if ((superclass != null) && superclass.equals(this)) { | |
| 125 subclasses.add(refType); | |
| 126 } | |
| 127 } | |
| 128 } | |
| 129 subclasses = Collections.unmodifiableList(subclasses); | |
| 130 subclassesCache = new SoftReference(subclasses); | |
| 131 } | |
| 132 return subclasses; | |
| 133 } | |
| 134 | |
| 135 public Method concreteMethodByName(String name, String signature) { | |
| 136 checkPrepared(); | |
| 137 List methods = visibleMethods(); | |
| 138 Method method = null; | |
| 139 Iterator iter = methods.iterator(); | |
| 140 while (iter.hasNext()) { | |
| 141 Method candidate = (Method)iter.next(); | |
| 142 if (candidate.name().equals(name) && | |
| 143 candidate.signature().equals(signature) && | |
| 144 !candidate.isAbstract()) { | |
| 145 | |
| 146 method = candidate; | |
| 147 break; | |
| 148 } | |
| 149 } | |
| 150 return method; | |
| 151 } | |
| 152 | |
| 153 List getAllMethods() { | |
| 154 ArrayList list = new ArrayList(methods()); | |
| 155 ClassType clazz = superclass(); | |
| 156 while (clazz != null) { | |
| 157 list.addAll(clazz.methods()); | |
| 158 clazz = clazz.superclass(); | |
| 159 } | |
| 160 /* | |
| 161 * Avoid duplicate checking on each method by iterating through | |
| 162 * duplicate-free allInterfaces() rather than recursing | |
| 163 */ | |
| 164 Iterator iter = allInterfaces().iterator(); | |
| 165 while (iter.hasNext()) { | |
| 166 InterfaceType interfaze = (InterfaceType)iter.next(); | |
| 167 list.addAll(interfaze.methods()); | |
| 168 } | |
| 169 return list; | |
| 170 } | |
| 171 | |
| 172 List inheritedTypes() { | |
| 173 List inherited = new ArrayList(interfaces()); | |
| 174 if (superclass() != null) { | |
| 175 inherited.add(0, superclass()); /* insert at front */ | |
| 176 } | |
| 177 return inherited; | |
| 178 } | |
| 179 | |
| 180 public boolean isEnum() { | |
| 181 ClassTypeImpl superclass = (ClassTypeImpl) superclass(); | |
| 182 if (superclass != null) { | |
| 183 return superclass.typeNameAsSymbol().equals(vm.javaLangEnum()); | |
| 184 } else { | |
| 185 return false; | |
| 186 } | |
| 187 } | |
| 188 | |
| 189 public void setValue(Field field, Value value) | |
| 190 throws InvalidTypeException, ClassNotLoadedException { | |
| 191 vm.throwNotReadOnlyException("ClassType.setValue(...)"); | |
| 192 } | |
| 193 | |
| 194 | |
| 195 public Value invokeMethod(ThreadReference threadIntf, Method methodIntf, | |
| 196 List arguments, int options) | |
| 197 throws InvalidTypeException, | |
| 198 ClassNotLoadedException, | |
| 199 IncompatibleThreadStateException, | |
| 200 InvocationException { | |
| 201 vm.throwNotReadOnlyException("ClassType.invokeMethod(...)"); | |
| 202 return null; | |
| 203 } | |
| 204 | |
| 205 public ObjectReference newInstance(ThreadReference threadIntf, | |
| 206 Method methodIntf, | |
| 207 List arguments, int options) | |
| 208 throws InvalidTypeException, | |
| 209 ClassNotLoadedException, | |
| 210 IncompatibleThreadStateException, | |
| 211 InvocationException { | |
| 212 vm.throwNotReadOnlyException("ClassType.newInstance(...)"); | |
| 213 return null; | |
| 214 } | |
| 215 | |
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216 @Override |
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217 void addVisibleMethods(Map<String, Method> methodMap, Set<InterfaceType> seenInterfaces) { |
| 0 | 218 /* |
| 219 * Add methods from | |
| 220 * parent types first, so that the methods in this class will | |
| 221 * overwrite them in the hash table | |
| 222 */ | |
| 223 | |
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224 Iterator<InterfaceType> iter = interfaces().iterator(); |
| 0 | 225 while (iter.hasNext()) { |
| 226 InterfaceTypeImpl interfaze = (InterfaceTypeImpl)iter.next(); | |
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227 if (!seenInterfaces.contains(interfaze)) { |
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228 interfaze.addVisibleMethods(methodMap, seenInterfaces); |
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229 seenInterfaces.add(interfaze); |
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230 } |
| 0 | 231 } |
| 232 | |
| 233 ClassTypeImpl clazz = (ClassTypeImpl)superclass(); | |
| 234 if (clazz != null) { | |
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235 clazz.addVisibleMethods(methodMap, seenInterfaces); |
| 0 | 236 } |
| 237 | |
| 238 addToMethodMap(methodMap, methods()); | |
| 239 } | |
| 240 | |
| 241 boolean isAssignableTo(ReferenceType type) { | |
| 242 ClassTypeImpl superclazz = (ClassTypeImpl)superclass(); | |
| 243 if (this.equals(type)) { | |
| 244 return true; | |
| 245 } else if ((superclazz != null) && superclazz.isAssignableTo(type)) { | |
| 246 return true; | |
| 247 } else { | |
| 248 List interfaces = interfaces(); | |
| 249 Iterator iter = interfaces.iterator(); | |
| 250 while (iter.hasNext()) { | |
| 251 InterfaceTypeImpl interfaze = (InterfaceTypeImpl)iter.next(); | |
| 252 if (interfaze.isAssignableTo(type)) { | |
| 253 return true; | |
| 254 } | |
| 255 } | |
| 256 return false; | |
| 257 } | |
| 258 } | |
| 259 | |
| 260 public String toString() { | |
| 261 return "class " + name() + "(" + loaderString() + ")"; | |
| 262 } | |
| 263 } |