Mercurial > hg > Members > kono > jpf-core
annotate src/main/gov/nasa/jpf/vm/ClassInfo.java @ 24:6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
In the wake of nested locks, there were a number of cases to fix that implicitly relied on absent clinits because clients were not properly checking for re-execution (most notably java.util.Exchanger). This mostly came in through MJIEnv.newObject/ElementInfo. We might turn ClinitRequired into a handled exception at some point, to catch such cases during compilation.
Added a UnknownJPFClass exception (in analogy to ClinitRequired), to make clients aware of failed class load attempts/reasons.
fixed Exchanger peer, which was not giving up the lock when timing out. This is an example of a lockfree wait op that can time out. Basically, ThreadInfo.isWaiting() needs to be complemented by a isWaitingOrTimedOut(), and ElementInfo.notifies0() has to be aware of it
fixed NPE when setting report.probe_interval in tests, which was missing that it had to create a stat object
author | Peter Mehlitz <Peter.C.Mehlitz@nasa.gov> |
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date | Tue, 21 Apr 2015 00:34:15 -0700 |
parents | db918c531e6d |
children | 7be90179bb3b |
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1 /* |
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2 * Copyright (C) 2014, United States Government, as represented by the |
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3 * Administrator of the National Aeronautics and Space Administration. |
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4 * All rights reserved. |
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5 * |
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6 * The Java Pathfinder core (jpf-core) platform is licensed under the |
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7 * Apache License, Version 2.0 (the "License"); you may not use this file except |
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8 * in compliance with the License. You may obtain a copy of the License at |
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9 * |
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10 * http://www.apache.org/licenses/LICENSE-2.0. |
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11 * |
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12 * Unless required by applicable law or agreed to in writing, software |
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13 * distributed under the License is distributed on an "AS IS" BASIS, |
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14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 * See the License for the specific language governing permissions and |
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16 * limitations under the License. |
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17 */ |
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18 package gov.nasa.jpf.vm; |
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19 |
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20 import gov.nasa.jpf.Config; |
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21 import gov.nasa.jpf.JPF; |
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22 import gov.nasa.jpf.JPFConfigException; |
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23 import gov.nasa.jpf.JPFListener; |
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24 import gov.nasa.jpf.util.ImmutableList; |
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25 import gov.nasa.jpf.util.JPFLogger; |
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26 import gov.nasa.jpf.util.LocationSpec; |
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27 import gov.nasa.jpf.util.MethodSpec; |
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28 import gov.nasa.jpf.util.Misc; |
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29 import gov.nasa.jpf.util.OATHash; |
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30 import gov.nasa.jpf.util.Source; |
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31 |
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32 import java.io.File; |
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33 import java.lang.reflect.Modifier; |
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34 import java.util.ArrayList; |
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35 import java.util.Collections; |
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36 import java.util.HashMap; |
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37 import java.util.HashSet; |
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38 import java.util.Iterator; |
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39 import java.util.LinkedHashMap; |
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40 import java.util.List; |
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41 import java.util.Map; |
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42 import java.util.NoSuchElementException; |
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43 import java.util.Set; |
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44 import java.util.logging.Level; |
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45 |
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46 |
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47 /** |
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48 * Describes the VM's view of a java class. Contains descriptions of the |
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49 * static and dynamic fields, declaredMethods, and information relevant to the |
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50 * class. |
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51 * |
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52 * Note that ClassInfos / classes have three different construction/initialization steps: |
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53 * (1) construction : recursively via ClassLoaderInfo.getResolvedClassInfo -> ClassFileContainer.createClassInfo |
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54 * -> ClassInfo ctor -> resolveClass |
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55 * this only creates the ClassInfo object, but it is not visible/usable from SUT code yet and hence not |
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56 * observable from classLoaded() listeners |
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57 * (2) registration : create StaticElementInfo and add it to the respective ClassLoaderInfo statics, then create |
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58 * the java.lang.Class companion object in the SUT |
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59 * this makes the ClassInfo usable from SUT code |
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60 * (3) initialization : execute clinit (if the class has one) |
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61 * |
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62 * Note that id/uniqueId are NOT set before registration takes place, and registration is not automatically performed since |
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63 * listeners/peers might create ClassInfos internally (e.g. for inspection), which should not be visible from the SUT or observable |
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64 * by other listeners. |
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65 * |
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66 * Automatic registration from the ClassInfo ctors would require to pass a ThreadInfo context throughout the whole ClassLoaderInfo/ |
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67 * ClassFileContainer/ClassInfo chain and could lead to false positives for sharedness based POR, which would record this |
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68 * thread as referencing even if this is a listener/peer internal request |
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69 */ |
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70 public class ClassInfo extends InfoObject implements Iterable<MethodInfo>, GenericSignatureHolder { |
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71 |
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72 //--- ClassInfo states, in chronological order |
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73 // note the somewhat strange, decreasing values - >= 0 (=thread-id) means |
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74 // we are in clinit |
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75 // ideally, we would have a separate RESOLVED state, but (a) this is somewhat |
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76 // orthogonal to REGISTERED, and - more importantly - (b) we need the |
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77 // superClass instance when initializing our Fields (instance field offsets). |
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78 // Doing the field initialization during resolveReferencedClass() seems awkward and |
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79 // error prone (there is not much you can do with an unresolved class then) |
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80 |
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81 // not registered or clinit'ed (but cached in loadedClasses) |
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82 public static final int UNINITIALIZED = -1; |
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83 // 'REGISTERED' simply means 'sei' is set (we have a StaticElementInfo) |
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84 // 'INITIALIZING' is any number >=0, which is the thread objRef that executes the clinit |
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85 public static final int INITIALIZED = -2; |
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86 |
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87 protected static final String ID_FIELD = "nativeId"; |
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88 |
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89 protected static JPFLogger logger = JPF.getLogger("class"); |
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90 |
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91 protected static int nClassInfos; // for statistics |
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92 |
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93 protected static Config config; |
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94 |
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95 /** |
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96 * ClassLoader that loaded this class. |
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97 */ |
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98 protected static final ClassLoader thisClassLoader = ClassInfo.class.getClassLoader(); |
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99 |
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100 /** |
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101 * our abstract factory to createAndInitialize object and class fields |
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102 */ |
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103 protected static FieldsFactory fieldsFactory; |
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104 |
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105 |
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106 protected static final FieldInfo[] EMPTY_FIELDINFO_ARRAY = new FieldInfo[0]; |
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107 protected static final String[] EMPTY_STRING_ARRAY = new String[0]; |
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108 protected static final String UNINITIALIZED_STRING = "UNINITIALIZED"; |
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109 protected static final Map<String,MethodInfo> NO_METHODS = Collections.emptyMap(); |
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110 protected static final Set<ClassInfo> NO_INTERFACES = new HashSet<ClassInfo>(); |
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111 |
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112 /** |
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113 * support to auto-load listeners from annotations |
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114 */ |
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115 protected static HashSet<String> autoloadAnnotations; |
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116 protected static HashSet<String> autoloaded; |
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117 |
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118 /** |
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119 * Name of the class. e.g. "java.lang.String" |
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120 * NOTE - this is the expanded name for builtin types, e.g. "int", but NOT |
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121 * for arrays, which are for some reason in Ldot notation, e.g. "[Ljava.lang.String;" or "[I" |
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122 */ |
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123 protected String name; |
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124 |
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125 /** type erased signature of the class. e.g. "Ljava/lang/String;" */ |
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126 protected String signature; |
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127 |
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128 /** Generic type signatures of the class as per para. 4.4.4 of the revised VM spec */ |
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129 protected String genericSignature; |
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130 |
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131 /** The classloader that defined (directly loaded) this class */ |
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132 protected ClassLoaderInfo classLoader; |
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133 |
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134 // various class attributes |
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135 protected boolean isClass = true; |
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136 protected boolean isWeakReference = false; |
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137 protected boolean isObjectClassInfo = false; |
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138 protected boolean isStringClassInfo = false; |
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139 protected boolean isThreadClassInfo = false; |
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140 protected boolean isRefClassInfo = false; |
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141 protected boolean isArray = false; |
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142 protected boolean isEnum = false; |
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143 protected boolean isReferenceArray = false; |
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144 protected boolean isAbstract = false; |
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145 protected boolean isBuiltin = false; |
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146 |
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147 // that's ultimately where we keep the attributes |
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148 // <2do> this is currently quite redundant, but these are used in reflection |
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149 protected int modifiers; |
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150 |
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151 protected MethodInfo finalizer = null; |
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152 |
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153 /** type based object attributes (for GC, partial order reduction and |
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154 * property checks) |
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155 */ |
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156 protected int elementInfoAttrs = 0; |
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157 |
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158 /** |
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159 * all our declared declaredMethods (we don't flatten, this is not |
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160 * a high-performance VM) |
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161 */ |
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162 protected Map<String, MethodInfo> methods; |
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163 |
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164 /** |
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165 * our instance fields. |
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166 * Note these are NOT flattened, idx.e. only contain the declared ones |
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167 */ |
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168 protected FieldInfo[] iFields; |
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169 |
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170 /** the storage size of instances of this class (stored as an int[]) */ |
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171 protected int instanceDataSize; |
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172 |
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173 /** where in the instance data array (int[]) do our declared fields start */ |
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174 protected int instanceDataOffset; |
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175 |
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176 /** total number of instance fields (flattened, not only declared ones) */ |
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177 protected int nInstanceFields; |
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178 |
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179 /** |
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180 * our static fields. Again, not flattened |
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181 */ |
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182 protected FieldInfo[] sFields; |
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183 |
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184 /** the storage size of static fields of this class (stored as an int[]) */ |
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185 protected int staticDataSize; |
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186 |
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187 /** |
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188 * we only set the superClassName upon creation, it is instantiated into |
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189 * a ClassInfo by resolveReferencedClass(), which is required to be called before |
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190 * we can createAndInitialize objects of this type |
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191 */ |
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192 protected ClassInfo superClass; |
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193 protected String superClassName; |
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194 |
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195 protected String enclosingClassName; |
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196 protected String enclosingMethodName; |
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197 |
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198 protected String[] innerClassNames = EMPTY_STRING_ARRAY; |
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199 protected BootstrapMethodInfo[] bootstrapMethods; |
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200 |
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201 /** direct ifcs implemented by this class */ |
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202 protected String[] interfaceNames; |
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203 |
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204 protected Set<ClassInfo> interfaces = new HashSet<ClassInfo>(); |
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205 |
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206 /** cache of all interfaceNames (parent interfaceNames and interface parents) - lazy eval */ |
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207 protected Set<ClassInfo> allInterfaces; |
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208 |
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209 /** Name of the package. */ |
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210 protected String packageName; |
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211 |
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212 /** this is only set if the classfile has a SourceFile class attribute */ |
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213 protected String sourceFileName; |
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214 |
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215 /** |
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216 * Uniform resource locater for the class file. NOTE: since for builtin classes |
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217 * there is no class file assigned is set to the typeName |
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218 */ |
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219 protected String classFileUrl; |
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220 |
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221 /** from where the corresponding classfile was loaded (if this is not a builtin) */ |
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222 protected gov.nasa.jpf.vm.ClassFileContainer container; |
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223 |
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224 |
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225 /** |
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226 * a search global numeric id that is only unique within this ClassLoader namespace. Ids are |
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227 * computed by the ClassLoaderInfo/Statics implementation during ClassInfo registration |
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228 */ |
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229 protected int id = -1; |
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230 |
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231 /** |
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232 * A search global unique id associate with this class, which is comprised of the classLoader id |
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233 * and the (loader-specific) ClassInfo id. This is just a quick way to do search global checks for equality |
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234 * |
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235 * NOTE - since this is based on the classloader-specific id, it can't be used before the ClassInfo is registered |
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236 */ |
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237 protected long uniqueId = -1; |
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238 |
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239 /** |
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240 * this is the object we use to enter declaredMethods in the underlying VM |
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241 * (it replaces Reflection) |
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242 */ |
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243 protected NativePeer nativePeer; |
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244 |
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245 /** Source file associated with the class.*/ |
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246 protected Source source; |
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247 |
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248 protected boolean enableAssertions; |
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249 |
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250 /** actions to be taken when an object of this type is gc'ed */ |
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251 protected ImmutableList<ReleaseAction> releaseActions; |
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252 |
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253 |
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254 static boolean init (Config config) { |
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255 |
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256 ClassInfo.config = config; |
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257 |
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258 setSourceRoots(config); |
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259 //buildBCELModelClassPath(config); |
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260 |
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261 fieldsFactory = config.getEssentialInstance("vm.fields_factory.class", |
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262 FieldsFactory.class); |
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263 |
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264 autoloadAnnotations = config.getNonEmptyStringSet("listener.autoload"); |
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265 if (autoloadAnnotations != null) { |
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266 autoloaded = new HashSet<String>(); |
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267 |
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268 if (logger.isLoggable(Level.INFO)) { |
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269 for (String s : autoloadAnnotations){ |
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270 logger.info("watching for autoload annotation @" + s); |
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271 } |
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272 } |
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273 } |
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274 |
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275 return true; |
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276 } |
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277 |
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278 public static boolean isObjectClassInfo (ClassInfo ci){ |
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279 return ci.isObjectClassInfo(); |
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280 } |
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281 |
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282 public static boolean isStringClassInfo (ClassInfo ci){ |
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283 return ci.isStringClassInfo(); |
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284 } |
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285 |
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286 |
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287 //--- initialization interface towards parsers (which might reside in other packages) |
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288 |
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289 protected void setClass(String clsName, String superClsName, int flags, int cpCount) throws ClassParseException { |
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290 String parsedName = Types.getClassNameFromTypeName(clsName); |
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291 |
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292 if (name != null && !name.equals(parsedName)){ |
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293 throw new ClassParseException("wrong class name (expected: " + name + ", found: " + parsedName + ')'); |
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294 } |
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295 name = parsedName; |
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296 |
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297 // the enclosingClassName is set on demand since it requires loading enclosing class candidates |
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298 // to verify their innerClass attributes |
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299 |
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300 int i = name.lastIndexOf('.'); |
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301 packageName = (i > 0) ? name.substring(0, i) : ""; |
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302 |
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303 modifiers = flags; |
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304 |
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305 // annotations are interfaces too (not exposed by Modifier) |
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306 isClass = ((flags & Modifier.INTERFACE) == 0); |
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307 |
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308 superClassName = superClsName; |
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309 } |
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310 |
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311 public void setInnerClassNames(String[] clsNames) { |
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312 innerClassNames = clsNames; |
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313 } |
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314 |
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315 public void setEnclosingClass (String clsName) { |
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316 enclosingClassName = clsName; |
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317 } |
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318 |
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319 public void setEnclosingMethod (String mthName){ |
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320 enclosingMethodName = mthName; |
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321 } |
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322 |
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323 public void setInterfaceNames(String[] ifcNames) { |
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324 interfaceNames = ifcNames; |
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325 } |
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326 |
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327 public void setSourceFile (String fileName){ |
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328 // prepend if we already know the package |
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329 if (packageName.length() > 0) { |
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330 // Source will take care of proper separator chars later |
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331 sourceFileName = packageName.replace('.', '/') + '/' + fileName; |
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332 } else { |
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333 sourceFileName = fileName; |
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334 } |
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335 } |
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336 |
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337 public void setFields(FieldInfo[] fields) { |
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338 if (fields == null){ |
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339 iFields = EMPTY_FIELDINFO_ARRAY; |
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340 sFields = EMPTY_FIELDINFO_ARRAY; |
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341 |
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342 } else { // there are fields, we have to tell them apart |
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343 int nInstance = 0, nStatic = 0; |
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344 for (int i = 0; i < fields.length; i++) { |
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345 if (fields[i].isStatic()) { |
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346 nStatic++; |
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347 } else { |
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348 nInstance++; |
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349 } |
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350 } |
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351 |
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352 FieldInfo[] instanceFields = (nInstance > 0) ? new FieldInfo[nInstance] : EMPTY_FIELDINFO_ARRAY; |
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353 FieldInfo[] staticFields = (nStatic > 0) ? new FieldInfo[nStatic] : EMPTY_FIELDINFO_ARRAY; |
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354 |
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355 int iInstance = 0; |
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356 int iStatic = 0; |
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357 for (int i = 0; i < fields.length; i++) { |
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358 FieldInfo fi = fields[i]; |
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359 |
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360 if (fi.isStatic()) { |
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361 staticFields[iStatic++] = fi; |
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362 } else { |
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363 instanceFields[iInstance++] = fi; |
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364 } |
7
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added a @JPFAttribute(TYPE_NAME,...) annotation for model classes (class, field and method target), which causes JPF to automatically set attribute objects that are instantiated from the provided type name args. Note that the respective attribute classes need to have a public default constructor. Added a JPFAttrAnnotationTest to show how to use it. This is the generic mechanism to use if we need to mark ClassInfos, MethodInfos and FieldInfos either from sources (using annotations), or from config files (type names/matchers used from listeners etc.) - base the processing on attributes, and set them from annotations via @JPFAttribute
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365 |
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366 processJPFAnnotations(fi); |
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367 } |
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368 |
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369 iFields = instanceFields; |
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370 sFields = staticFields; |
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371 |
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372 // we can't link the fields yet because we need the superclasses to be resolved |
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373 } |
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374 } |
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375 |
7
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376 protected void setMethod (MethodInfo mi){ |
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377 mi.linkToClass(this); |
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378 methods.put( mi.getUniqueName(), mi); |
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379 processJPFAnnotations(mi); |
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380 } |
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381 |
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382 public void setMethods (MethodInfo[] newMethods) { |
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383 if (newMethods != null && newMethods.length > 0) { |
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384 methods = new LinkedHashMap<String, MethodInfo>(); |
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385 |
7
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386 for (int i = 0; i < newMethods.length; i++) { |
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387 setMethod( newMethods[i]); |
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388 } |
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389 } |
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390 } |
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391 |
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392 protected void processJPFAttrAnnotation(InfoObject infoObj){ |
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393 AnnotationInfo ai = infoObj.getAnnotation("gov.nasa.jpf.annotation.JPFAttribute"); |
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394 if (ai != null){ |
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395 String[] attrTypes = ai.getValueAsStringArray(); |
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396 if (attrTypes != null){ |
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397 ClassLoader loader = config.getClassLoader(); |
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398 |
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399 for (String clsName : attrTypes){ |
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400 try { |
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401 Class<?> attrCls = loader.loadClass(clsName); |
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402 Object attr = attrCls.newInstance(); // needs to have a default ctor |
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403 infoObj.addAttr(attr); |
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404 |
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405 } catch (ClassNotFoundException cnfx){ |
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406 logger.warning("attribute class not found: " + clsName); |
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407 |
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408 } catch (IllegalAccessException iax){ |
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409 logger.warning("attribute class has no public default ctor: " + clsName); |
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410 |
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411 } catch (InstantiationException ix){ |
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412 logger.warning("attribute class has no default ctor: " + clsName); |
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413 } |
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414 } |
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415 } |
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416 } |
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417 } |
0
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418 |
17
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419 protected void processNoJPFExecutionAnnotation(InfoObject infoObj) { |
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420 AnnotationInfo ai = infoObj.getAnnotation("gov.nasa.jpf.annotation.NoJPFExecution"); |
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421 if (ai != null) { |
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422 infoObj.addAttr(NoJPFExec.SINGLETON); |
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423 } |
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424 } |
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425 |
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426 protected void processJPFAnnotations(InfoObject infoObj) { |
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427 processJPFAttrAnnotation(infoObj); |
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428 processNoJPFExecutionAnnotation(infoObj); |
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429 } |
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430 |
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431 public AnnotationInfo getResolvedAnnotationInfo (String typeName){ |
0
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432 return classLoader.getResolvedAnnotationInfo( typeName); |
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433 } |
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434 |
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435 @Override |
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436 public void setAnnotations(AnnotationInfo[] annotations) { |
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437 this.annotations = annotations; |
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438 } |
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439 |
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440 //--- end initialization interface |
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441 |
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442 //--- the overridden annotation accessors (we need these because of inherited superclass annotations) |
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443 // note that we don't flatten annotations anymore, assuming the prevalent query will be getAnnotation(name) |
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444 |
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445 @Override |
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446 public boolean hasAnnotations(){ |
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447 if (annotations.length > 0){ |
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448 return true; |
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449 } |
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450 |
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451 for (ClassInfo ci = superClass; ci != null; ci = ci.superClass){ |
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452 AnnotationInfo[] a = ci.annotations; |
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453 for (int j=0; j<a.length; j++){ |
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454 if (a[j].isInherited()){ |
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455 return true; |
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456 } |
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457 } |
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458 } |
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459 |
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460 return false; |
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461 } |
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462 |
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463 /** |
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464 * return all annotations, which includes the ones inherited from our superclasses |
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465 * NOTE - this is not very efficient |
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466 */ |
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467 @Override |
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468 public AnnotationInfo[] getAnnotations() { |
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469 int nAnnotations = annotations.length; |
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470 for (ClassInfo ci = superClass; ci != null; ci = ci.superClass){ |
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471 AnnotationInfo[] a = ci.annotations; |
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472 for (int i=0; i<a.length; i++){ |
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473 if (a[i].isInherited()){ |
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474 nAnnotations++; |
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475 } |
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476 } |
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477 } |
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478 |
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479 AnnotationInfo[] allAnnotations = new AnnotationInfo[nAnnotations]; |
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480 System.arraycopy(annotations, 0, allAnnotations, 0, annotations.length); |
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481 int idx=annotations.length; |
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482 for (ClassInfo ci = superClass; ci != null; ci = ci.superClass){ |
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483 AnnotationInfo[] a = ci.annotations; |
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484 for (int i=0; i<a.length; i++){ |
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485 if (a[i].isInherited()){ |
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486 allAnnotations[idx++] = a[i]; |
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487 } |
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488 } |
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489 } |
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490 |
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491 return allAnnotations; |
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492 } |
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493 |
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494 @Override |
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495 public AnnotationInfo getAnnotation (String annotationName){ |
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496 AnnotationInfo[] a = annotations; |
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497 for (int i=0; i<a.length; i++){ |
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498 if (a[i].getName().equals(annotationName)){ |
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499 return a[i]; |
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500 } |
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501 } |
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502 |
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503 for (ClassInfo ci = superClass; ci != null; ci = ci.superClass){ |
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504 a = ci.annotations; |
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505 for (int i=0; i<a.length; i++){ |
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506 AnnotationInfo ai = a[i]; |
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507 if (ai.getName().equals(annotationName) && ai.isInherited()){ |
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508 return ai; |
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509 } |
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510 } |
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511 } |
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512 |
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513 return null; |
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514 } |
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515 |
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516 protected ClassInfo (String name, ClassLoaderInfo cli, String classFileUrl){ |
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517 nClassInfos++; |
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518 |
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519 this.name = name; |
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520 this.classLoader = cli; |
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521 this.classFileUrl = classFileUrl; |
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522 |
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523 this.methods = NO_METHODS; // yet |
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524 |
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525 // rest has to be initialized by concrete ctor, which should call resolveAndLink(parser) |
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526 } |
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527 |
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528 /** |
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529 * the initialization part that has to happen once we have super, fields, methods and annotations |
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530 * NOTE - this has to be called by concrete ctors after parsing class files |
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531 */ |
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532 protected void resolveAndLink () throws ClassParseException { |
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533 |
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534 //--- these might get streamlined |
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535 isStringClassInfo = isStringClassInfo0(); |
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536 isThreadClassInfo = isThreadClassInfo0(); |
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537 isObjectClassInfo = isObjectClassInfo0(); |
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538 isRefClassInfo = isRefClassInfo0(); |
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539 // isWeakReference = isWeakReference0(); |
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540 isAbstract = (modifiers & Modifier.ABSTRACT) != 0; |
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541 // isEnum = isEnum0(); |
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542 |
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543 finalizer = getFinalizer0(); |
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544 |
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545 resolveClass(); // takes care of super classes and interfaces |
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546 |
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547 // Used to enter native methods (in the host VM). |
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548 // This needs to be initialized AFTER we get our MethodInfos, since it does a reverse lookup to determine which |
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549 // ones are handled by the peer (by means of setting MethodInfo attributes) |
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550 nativePeer = loadNativePeer(); |
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551 checkUnresolvedNativeMethods(); |
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552 |
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553 linkFields(); // computes field offsets |
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554 |
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555 setAssertionStatus(); |
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556 processJPFConfigAnnotation(); |
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557 processJPFAnnotations(this); |
0
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558 loadAnnotationListeners(); |
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559 } |
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560 |
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561 protected ClassInfo(){ |
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562 nClassInfos++; |
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563 |
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564 // for explicit subclass initialization |
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565 } |
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566 |
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567 /** |
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568 * ClassInfo ctor used for builtin types (arrays and primitive types) |
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569 * idx.e. classes we don't have class files for |
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570 */ |
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571 protected ClassInfo (String builtinClassName, ClassLoaderInfo classLoader) { |
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572 nClassInfos++; |
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573 |
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574 this.classLoader = classLoader; |
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575 |
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576 isArray = (builtinClassName.charAt(0) == '['); |
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577 isReferenceArray = isArray && (builtinClassName.endsWith(";") || builtinClassName.charAt(1) == '['); |
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578 isBuiltin = true; |
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579 |
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580 name = builtinClassName; |
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581 |
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582 logger.log(Level.FINE, "generating builtin class: %1$s", name); |
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583 |
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584 packageName = ""; // builtin classes don't reside in java.lang ! |
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585 sourceFileName = null; |
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586 source = null; |
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587 genericSignature = ""; |
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588 |
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589 // no fields |
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590 iFields = EMPTY_FIELDINFO_ARRAY; |
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591 sFields = EMPTY_FIELDINFO_ARRAY; |
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592 |
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593 if (isArray) { |
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594 if(classLoader.isSystemClassLoader()) { |
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595 superClass = ((SystemClassLoaderInfo)classLoader).getObjectClassInfo(); |
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596 } else { |
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597 superClass = ClassLoaderInfo.getCurrentSystemClassLoader().getObjectClassInfo(); |
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598 } |
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599 interfaceNames = loadArrayInterfaces(); |
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600 methods = loadArrayMethods(); |
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601 } else { |
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602 superClass = null; // strange, but true, a 'no object' class |
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603 interfaceNames = loadBuiltinInterfaces(name); |
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604 methods = loadBuiltinMethods(name); |
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605 } |
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|
606 |
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607 enableAssertions = true; // doesn't really matter - no code associated |
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|
608 |
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609 classFileUrl = name; |
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|
610 |
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611 // no fields or declaredMethods, so we don't have to link/resolve anything |
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612 } |
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|
613 |
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614 public static int getNumberOfLoadedClasses(){ |
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615 return nClassInfos; |
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616 } |
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617 |
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618 //--- the VM type specific methods |
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619 // <2do> those should be abstract |
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620 |
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621 protected void setAnnotationValueGetterCode (MethodInfo pmi, FieldInfo fi){ |
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622 // to be overridden by VM specific class |
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623 } |
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624 |
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625 protected void setDirectCallCode (MethodInfo miCallee, MethodInfo miStub){ |
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626 // to be overridden by VM specific class |
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627 } |
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|
628 |
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629 protected void setLambdaDirectCallCode (MethodInfo miDirectCall, BootstrapMethodInfo bootstrapMethod){ |
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630 // to be overridden by VM specific class |
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631 } |
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632 |
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633 protected void setNativeCallCode (NativeMethodInfo miNative){ |
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634 // to be overridden by VM specific class |
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635 } |
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636 |
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637 protected void setRunStartCode (MethodInfo miStub, MethodInfo miRun){ |
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638 // to be overridden by VM specific class |
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|
639 } |
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|
640 |
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|
641 /** |
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642 * createAndInitialize a fully synthetic implementation of an Annotation proxy |
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643 */ |
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644 protected ClassInfo (ClassInfo annotationCls, String name, ClassLoaderInfo classLoader, String url) { |
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645 this.classLoader = classLoader; |
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|
646 |
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647 this.name = name; |
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648 isClass = true; |
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649 |
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650 //superClass = objectClassInfo; |
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651 superClass = ClassLoaderInfo.getSystemResolvedClassInfo("gov.nasa.jpf.AnnotationProxyBase"); |
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652 |
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653 interfaceNames = new String[]{ annotationCls.name }; |
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654 packageName = annotationCls.packageName; |
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655 sourceFileName = annotationCls.sourceFileName; |
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656 genericSignature = annotationCls.genericSignature; |
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657 |
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658 sFields = new FieldInfo[0]; // none |
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659 staticDataSize = 0; |
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660 |
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661 methods = new HashMap<String, MethodInfo>(); |
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662 iFields = new FieldInfo[annotationCls.methods.size()]; |
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663 nInstanceFields = iFields.length; |
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664 |
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665 // all accessor declaredMethods of ours make it into iField/method combinations |
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666 int idx = 0; |
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667 int off = 0; // no super class |
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668 for (MethodInfo mi : annotationCls.getDeclaredMethodInfos()) { |
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669 String mname = mi.getName(); |
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670 String mtype = mi.getReturnType(); |
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671 String genericSignature = mi.getGenericSignature(); |
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672 |
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673 // create and initialize an instance field for it |
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674 FieldInfo fi = FieldInfo.create(mname, mtype, 0); |
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675 fi.linkToClass(this, idx, off); |
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676 fi.setGenericSignature(genericSignature); |
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677 iFields[idx++] = fi; |
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|
678 off += fi.getStorageSize(); |
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|
679 |
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parents:
diff
changeset
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680 MethodInfo pmi = new MethodInfo(this, mname, mi.getSignature(), Modifier.PUBLIC, 1, 2); |
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parents:
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|
681 pmi.setGenericSignature(genericSignature); |
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parents:
diff
changeset
|
682 |
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parents:
diff
changeset
|
683 setAnnotationValueGetterCode( pmi, fi); |
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parents:
diff
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|
684 methods.put(pmi.getUniqueName(), pmi); |
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parents:
diff
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|
685 } |
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parents:
diff
changeset
|
686 |
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parents:
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changeset
|
687 instanceDataSize = computeInstanceDataSize(); |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
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|
688 instanceDataOffset = 0; |
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parents:
diff
changeset
|
689 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
690 classFileUrl = url; |
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parents:
diff
changeset
|
691 linkFields(); |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
692 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
693 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
694 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
695 //used to create synthetic classes that implement functional interfaces |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
696 protected ClassInfo createFuncObjClassInfo (BootstrapMethodInfo bootstrapMethod, String name, String samUniqueName, String[] fieldTypesName) { |
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parents:
diff
changeset
|
697 return null; |
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parents:
diff
changeset
|
698 } |
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parents:
diff
changeset
|
699 |
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parents:
diff
changeset
|
700 protected ClassInfo (ClassInfo funcInterface, BootstrapMethodInfo bootstrapMethod, String name, String[] fieldTypesName) { |
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parents:
diff
changeset
|
701 ClassInfo enclosingClass = bootstrapMethod.enclosingClass; |
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parents:
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702 this.classLoader = enclosingClass.classLoader; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
703 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
704 this.name = name; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
705 isClass = true; |
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initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
706 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
707 superClassName = "java.lang.Object"; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
708 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
709 interfaceNames = new String[]{ funcInterface.name }; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
710 packageName = enclosingClass.getPackageName(); |
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initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
711 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
712 // creating fields used to capture free variables |
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parents:
diff
changeset
|
713 int n = fieldTypesName.length; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
714 |
61d41facf527
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parents:
diff
changeset
|
715 iFields = new FieldInfo[n]; |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
716 nInstanceFields = n; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
717 |
61d41facf527
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parents:
diff
changeset
|
718 sFields = new FieldInfo[0]; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
719 staticDataSize = 0; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
720 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
721 int idx = 0; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
722 int off = 0; // no super class |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
723 |
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initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
724 int i = 0; |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
725 for(String type: fieldTypesName) { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
726 FieldInfo fi = FieldInfo.create("arg" + i++, type, 0); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
727 fi.linkToClass(this, idx, off); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
728 iFields[idx++] = fi; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
729 off += fi.getStorageSize(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
730 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
731 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
732 linkFields(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
733 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
734 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
735 // since id and hence uniqueId are not set before this class is registered, we can't use them |
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parents:
diff
changeset
|
736 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
737 @Override |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
738 public int hashCode() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
739 return OATHash.hash(name.hashCode(), classLoader.hashCode()); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
740 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
741 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
742 @Override |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
743 public boolean equals (Object o) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
744 if (o instanceof ClassInfo) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
745 ClassInfo other = (ClassInfo)o; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
746 if (classLoader == other.classLoader) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
747 // beware of ClassInfos that are not registered yet - in this case we have to equals names |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
748 if (name.equals(other.name)) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
749 return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
750 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
751 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
752 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
753 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
754 return false; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
755 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
756 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
757 protected String computeSourceFileName(){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
758 return name.replace('.', '/') + ".java"; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
759 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
760 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
761 protected void checkUnresolvedNativeMethods(){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
762 for (MethodInfo mi : methods.values()){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
763 if (mi.isUnresolvedNativeMethod()){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
764 NativeMethodInfo nmi = new NativeMethodInfo(mi, null, nativePeer); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
765 nmi.replace(mi); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
766 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
767 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
768 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
769 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
770 protected void processJPFConfigAnnotation() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
771 AnnotationInfo ai = getAnnotation("gov.nasa.jpf.annotation.JPFConfig"); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
772 if (ai != null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
773 for (String s : ai.getValueAsStringArray()) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
774 config.parse(s); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
775 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
776 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
777 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
778 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
779 protected void loadAnnotationListeners () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
780 if (autoloadAnnotations != null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
781 autoloadListeners(annotations); // class annotations |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
782 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
783 for (int i=0; i<sFields.length; i++) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
784 autoloadListeners(sFields[i].getAnnotations()); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
785 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
786 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
787 for (int i=0; i<iFields.length; i++) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
788 autoloadListeners(iFields[i].getAnnotations()); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
789 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
790 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
791 // method annotations are checked during method loading |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
792 // (to avoid extra iteration) |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
793 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
794 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
795 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
796 void autoloadListeners(AnnotationInfo[] annos) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
797 if ((annos != null) && (autoloadAnnotations != null)) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
798 for (AnnotationInfo ai : annos) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
799 String aName = ai.getName(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
800 if (autoloadAnnotations.contains(aName)) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
801 if (!autoloaded.contains(aName)) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
802 autoloaded.add(aName); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
803 String key = "listener." + aName; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
804 String defClsName = aName + "Checker"; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
805 try { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
806 JPFListener listener = config.getInstance(key, JPFListener.class, defClsName); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
807 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
808 JPF jpf = VM.getVM().getJPF(); // <2do> that's a BAD access path |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
809 jpf.addUniqueTypeListener(listener); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
810 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
811 if (logger.isLoggable(Level.INFO)){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
812 logger.info("autoload annotation listener: @", aName, " => ", listener.getClass().getName()); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
813 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
814 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
815 } catch (JPFConfigException cx) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
816 logger.warning("no autoload listener class for annotation " + aName + |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
817 " : " + cx.getMessage()); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
818 autoloadAnnotations.remove(aName); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
819 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
820 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
821 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
822 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
823 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
824 if (autoloadAnnotations.isEmpty()) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
825 autoloadAnnotations = null; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
826 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
827 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
828 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
829 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
830 protected NativePeer loadNativePeer(){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
831 return NativePeer.getNativePeer(this); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
832 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
833 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
834 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
835 * Returns the class loader that |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
836 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
837 public ClassLoaderInfo getClassLoaderInfo() { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
838 return classLoader; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
839 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
840 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
841 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
842 * the container this is stored in |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
843 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
844 public Statics getStatics() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
845 return classLoader.getStatics(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
846 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
847 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
848 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
849 * required by InfoObject interface |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
850 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
851 public ClassInfo getClassInfo() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
852 return this; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
853 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
854 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
855 protected void setAssertionStatus() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
856 if(isInitialized()) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
857 return; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
858 } else { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
859 enableAssertions = classLoader.desiredAssertionStatus(name); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
860 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
861 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
862 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
863 boolean getAssertionStatus () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
864 return enableAssertions; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
865 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
866 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
867 public boolean desiredAssertionStatus() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
868 return classLoader.desiredAssertionStatus(name); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
869 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
870 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
871 @Override |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
872 public String getGenericSignature() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
873 return genericSignature; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
874 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
875 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
876 @Override |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
877 public void setGenericSignature(String sig){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
878 genericSignature = sig; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
879 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
880 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
881 public boolean isArray () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
882 return isArray; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
883 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
884 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
885 public boolean isEnum () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
886 return isEnum; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
887 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
888 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
889 public boolean isAbstract() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
890 return isAbstract; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
891 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
892 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
893 public boolean isBuiltin(){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
894 return isBuiltin; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
895 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
896 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
897 public boolean isInterface() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
898 return ((modifiers & Modifier.INTERFACE) != 0); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
899 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
900 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
901 public boolean isReferenceArray () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
902 return isReferenceArray; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
903 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
904 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
905 public boolean isObjectClassInfo() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
906 return isObjectClassInfo; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
907 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
908 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
909 public boolean isStringClassInfo() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
910 return isStringClassInfo; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
911 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
912 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
913 public boolean isThreadClassInfo() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
914 return isThreadClassInfo; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
915 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
916 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
917 protected void checkNoClinitInitialization(){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
918 if (!isInitialized()){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
919 ThreadInfo ti = ThreadInfo.getCurrentThread(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
920 registerClass(ti); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
921 setInitialized(); // we might want to check if there is a clinit |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
922 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
923 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
924 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
925 protected ClassInfo createAnnotationProxy (String proxyName){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
926 // to be overridden by VM specific ClassInfos |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
927 return null; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
928 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
929 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
930 public ClassInfo getAnnotationProxy (){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
931 // <2do> test if this is a annotation ClassInfo |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
932 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
933 checkNoClinitInitialization(); // annotation classes don't have clinits |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
934 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
935 ClassInfo ciProxy = classLoader.getResolvedAnnotationProxy(this); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
936 ciProxy.checkNoClinitInitialization(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
937 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
938 return ciProxy; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
939 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
940 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
941 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
942 public static ClassInfo getAnnotationProxy (ClassInfo ciAnnotation){ |
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diff
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|
943 ThreadInfo ti = ThreadInfo.getCurrentThread(); |
61d41facf527
initial v8 import (history reset)
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parents:
diff
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|
944 |
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diff
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|
945 // make sure the annotationCls is initialized (no code there) |
61d41facf527
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parents:
diff
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|
946 if (!ciAnnotation.isInitialized()) { |
61d41facf527
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parents:
diff
changeset
|
947 ciAnnotation.registerClass(ti); |
61d41facf527
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parents:
diff
changeset
|
948 ciAnnotation.setInitialized(); // no clinit |
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parents:
diff
changeset
|
949 } |
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parents:
diff
changeset
|
950 |
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parents:
diff
changeset
|
951 String url = computeProxyUrl(ciAnnotation); |
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parents:
diff
changeset
|
952 ClassInfo ci = null; // getOriginalClassInfo(url); |
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parents:
diff
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|
953 |
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parents:
diff
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|
954 if (ci == null){ |
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parents:
diff
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955 String cname = ciAnnotation.getName() + "$Proxy"; |
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parents:
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|
956 ci = new ClassInfo(ciAnnotation, cname, ciAnnotation.classLoader, url); |
61d41facf527
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parents:
diff
changeset
|
957 ciAnnotation.classLoader.addResolvedClass(ci); |
61d41facf527
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parents:
diff
changeset
|
958 if (!ci.isInitialized()){ |
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parents:
diff
changeset
|
959 ci.registerClass(ti); |
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parents:
diff
changeset
|
960 ci.setInitialized(); |
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parents:
diff
changeset
|
961 } |
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parents:
diff
changeset
|
962 } |
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parents:
diff
changeset
|
963 |
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parents:
diff
changeset
|
964 return ci; |
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parents:
diff
changeset
|
965 } |
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parents:
diff
changeset
|
966 **/ |
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parents:
diff
changeset
|
967 |
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parents:
diff
changeset
|
968 public boolean areAssertionsEnabled() { |
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parents:
diff
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|
969 return enableAssertions; |
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parents:
diff
changeset
|
970 } |
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parents:
diff
changeset
|
971 |
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parents:
diff
changeset
|
972 public boolean hasInstanceFields () { |
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parents:
diff
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|
973 return (instanceDataSize > 0); |
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parents:
diff
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|
974 } |
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parents:
diff
changeset
|
975 |
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parents:
diff
changeset
|
976 public ElementInfo getClassObject(){ |
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parents:
diff
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|
977 StaticElementInfo sei = getStaticElementInfo(); |
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|
978 |
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parents:
diff
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|
979 if (sei != null){ |
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parents:
diff
changeset
|
980 int objref = sei.getClassObjectRef(); |
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981 return VM.getVM().getElementInfo(objref); |
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diff
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|
982 } |
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parents:
diff
changeset
|
983 |
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parents:
diff
changeset
|
984 return null; |
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parents:
diff
changeset
|
985 } |
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parents:
diff
changeset
|
986 |
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diff
changeset
|
987 public ElementInfo getModifiableClassObject(){ |
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|
988 StaticElementInfo sei = getStaticElementInfo(); |
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diff
changeset
|
989 |
61d41facf527
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diff
changeset
|
990 if (sei != null){ |
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diff
changeset
|
991 int objref = sei.getClassObjectRef(); |
61d41facf527
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parents:
diff
changeset
|
992 return VM.getVM().getModifiableElementInfo(objref); |
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parents:
diff
changeset
|
993 } |
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parents:
diff
changeset
|
994 |
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parents:
diff
changeset
|
995 return null; |
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parents:
diff
changeset
|
996 } |
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parents:
diff
changeset
|
997 |
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parents:
diff
changeset
|
998 |
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parents:
diff
changeset
|
999 public int getClassObjectRef () { |
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parents:
diff
changeset
|
1000 StaticElementInfo sei = getStaticElementInfo(); |
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parents:
diff
changeset
|
1001 return (sei != null) ? sei.getClassObjectRef() : MJIEnv.NULL; |
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parents:
diff
changeset
|
1002 } |
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parents:
diff
changeset
|
1003 |
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parents:
diff
changeset
|
1004 public gov.nasa.jpf.vm.ClassFileContainer getContainer(){ |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1005 return container; |
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parents:
diff
changeset
|
1006 } |
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parents:
diff
changeset
|
1007 |
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parents:
diff
changeset
|
1008 public String getClassFileUrl (){ |
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parents:
diff
changeset
|
1009 return classFileUrl; |
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parents:
diff
changeset
|
1010 } |
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parents:
diff
changeset
|
1011 |
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parents:
diff
changeset
|
1012 //--- type based object release actions |
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parents:
diff
changeset
|
1013 |
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parents:
diff
changeset
|
1014 public boolean hasReleaseAction (ReleaseAction action){ |
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parents:
diff
changeset
|
1015 return (releaseActions != null) && releaseActions.contains(action); |
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parents:
diff
changeset
|
1016 } |
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parents:
diff
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|
1017 |
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parents:
diff
changeset
|
1018 /** |
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parents:
diff
changeset
|
1019 * NOTE - this can only be set *before* subclasses are loaded (e.g. from classLoaded() notification) |
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diff
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|
1020 */ |
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diff
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|
1021 public void addReleaseAction (ReleaseAction action){ |
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parents:
diff
changeset
|
1022 // flattened in ctor to super releaseActions |
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parents:
diff
changeset
|
1023 releaseActions = new ImmutableList<ReleaseAction>( action, releaseActions); |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1024 } |
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parents:
diff
changeset
|
1025 |
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parents:
diff
changeset
|
1026 /** |
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parents:
diff
changeset
|
1027 * recursively process release actions registered for this type or any of |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1028 * its super types (only classes). The releaseAction list is flattened during |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1029 * ClassInfo initialization, to reduce runtime overhead during GC sweep |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1030 */ |
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parents:
diff
changeset
|
1031 public void processReleaseActions (ElementInfo ei){ |
61d41facf527
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parents:
diff
changeset
|
1032 if (superClass != null){ |
61d41facf527
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parents:
diff
changeset
|
1033 superClass.processReleaseActions(ei); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1034 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1035 |
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parents:
diff
changeset
|
1036 if (releaseActions != null) { |
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parents:
diff
changeset
|
1037 for (ReleaseAction action : releaseActions) { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1038 action.release(ei); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1039 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1040 } |
61d41facf527
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parents:
diff
changeset
|
1041 } |
61d41facf527
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parents:
diff
changeset
|
1042 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1043 public int getModifiers() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1044 return modifiers; |
61d41facf527
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parents:
diff
changeset
|
1045 } |
61d41facf527
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parents:
diff
changeset
|
1046 |
61d41facf527
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parents:
diff
changeset
|
1047 /** |
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parents:
diff
changeset
|
1048 * Note that 'uniqueName' is the name plus the argument type part of the |
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parents:
diff
changeset
|
1049 * signature, idx.e. everything that's relevant for overloading |
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parents:
diff
changeset
|
1050 * (besides saving some const space, we also ease reverse lookup |
61d41facf527
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parents:
diff
changeset
|
1051 * of natives that way). |
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parents:
diff
changeset
|
1052 * Note also that we don't have to make any difference between |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1053 * class and instance declaredMethods, because that just matters in the |
61d41facf527
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parents:
diff
changeset
|
1054 * INVOKExx instruction, when looking up the relevant ClassInfo to start |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1055 * searching in (either by means of the object type, or by means of the |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1056 * constpool classname entry). |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1057 */ |
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parents:
diff
changeset
|
1058 public MethodInfo getMethod (String uniqueName, boolean isRecursiveLookup) { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1059 MethodInfo mi = methods.get(uniqueName); |
61d41facf527
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parents:
diff
changeset
|
1060 |
61d41facf527
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parents:
diff
changeset
|
1061 if ((mi == null) && isRecursiveLookup && (superClass != null)) { |
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parents:
diff
changeset
|
1062 mi = superClass.getMethod(uniqueName, true); |
61d41facf527
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parents:
diff
changeset
|
1063 } |
61d41facf527
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parents:
diff
changeset
|
1064 |
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parents:
diff
changeset
|
1065 return mi; |
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parents:
diff
changeset
|
1066 } |
61d41facf527
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parents:
diff
changeset
|
1067 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1068 /** |
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parents:
diff
changeset
|
1069 * if we don't know the return type |
61d41facf527
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parents:
diff
changeset
|
1070 * signature is in paren/dot notation |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1071 */ |
61d41facf527
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parents:
diff
changeset
|
1072 public MethodInfo getMethod (String name, String signature, boolean isRecursiveLookup) { |
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parents:
diff
changeset
|
1073 MethodInfo mi = null; |
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parents:
diff
changeset
|
1074 String matchName = name + signature; |
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parents:
diff
changeset
|
1075 |
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initial v8 import (history reset)
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parents:
diff
changeset
|
1076 for (Map.Entry<String, MethodInfo>e : methods.entrySet()) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1077 if (e.getKey().startsWith(matchName)){ |
61d41facf527
initial v8 import (history reset)
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parents:
diff
changeset
|
1078 mi = e.getValue(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1079 break; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1080 } |
61d41facf527
initial v8 import (history reset)
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parents:
diff
changeset
|
1081 } |
61d41facf527
initial v8 import (history reset)
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parents:
diff
changeset
|
1082 |
61d41facf527
initial v8 import (history reset)
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parents:
diff
changeset
|
1083 if ((mi == null) && isRecursiveLookup && (superClass != null)) { |
61d41facf527
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parents:
diff
changeset
|
1084 mi = superClass.getMethod(name, signature, true); |
61d41facf527
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parents:
diff
changeset
|
1085 } |
61d41facf527
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parents:
diff
changeset
|
1086 |
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parents:
diff
changeset
|
1087 return mi; |
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parents:
diff
changeset
|
1088 } |
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parents:
diff
changeset
|
1089 |
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parents:
diff
changeset
|
1090 |
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parents:
diff
changeset
|
1091 public MethodInfo getDefaultMethod (String uniqueName) { |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1092 MethodInfo mi = null; |
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parents:
diff
changeset
|
1093 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1094 for (ClassInfo ci = this; ci != null; ci = ci.superClass){ |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1095 for (ClassInfo ciIfc : ci.interfaces){ |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1096 MethodInfo miIfc = ciIfc.getMethod(uniqueName, true); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1097 if (miIfc != null && !miIfc.isAbstract()){ |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1098 if (mi != null){ |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1099 // this has to throw a IncompatibleClassChangeError in the client since Java prohibits ambiguous default methods |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1100 String msg = "Conflicting default methods: " + mi.getFullName() + ", " + miIfc.getFullName(); |
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parents:
diff
changeset
|
1101 throw new ClassChangeException(msg); |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1102 } else { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1103 mi = miIfc; |
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parents:
diff
changeset
|
1104 } |
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parents:
diff
changeset
|
1105 } |
61d41facf527
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parents:
diff
changeset
|
1106 } |
61d41facf527
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parents:
diff
changeset
|
1107 } |
61d41facf527
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parents:
diff
changeset
|
1108 |
61d41facf527
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parents:
diff
changeset
|
1109 return mi; |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1110 } |
61d41facf527
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parents:
diff
changeset
|
1111 |
61d41facf527
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parents:
diff
changeset
|
1112 public MethodInfo getInterfaceAbstractMethod (String uniqueName) { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1113 MethodInfo mi = this.getMethod(uniqueName, true); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1114 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1115 if(mi != null) { |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1116 return mi; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1117 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1118 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1119 for (ClassInfo ci = this; ci != null && mi == null; ci = ci.superClass){ |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1120 for (ClassInfo ciIfc : ci.interfaces){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1121 mi = ciIfc.getMethod(uniqueName, true); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1122 if (mi != null && mi.isAbstract()){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1123 return mi; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1124 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1125 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1126 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1127 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1128 return null; |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1129 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1130 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1131 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1132 * method lookup for use by reflection methods (java.lang.Class.getXMethod) |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1133 * |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1134 * note this doesn't specify the return type, which means covariant return |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1135 * types are not allowed in reflection lookup. |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1136 * |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1137 * note also this includes interface methods, but only after the inheritance |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1138 * hierarchy has been searched |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1139 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1140 public MethodInfo getReflectionMethod (String fullName, boolean isRecursiveLookup) { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1141 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1142 // first look for methods within the class hierarchy |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1143 for (ClassInfo ci = this; ci != null; ci = ci.superClass){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1144 for (Map.Entry<String, MethodInfo>e : ci.methods.entrySet()) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1145 String name = e.getKey(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1146 if (name.startsWith(fullName)) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1147 return e.getValue(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1148 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1149 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1150 if (!isRecursiveLookup){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1151 return null; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1152 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1153 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1154 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1155 // this is the recursive case - if none found, look for interface methods |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1156 for (ClassInfo ci : getAllInterfaces() ){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1157 for (Map.Entry<String, MethodInfo>e : ci.methods.entrySet()) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1158 String name = e.getKey(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1159 if (name.startsWith(fullName)) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1160 return e.getValue(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1161 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1162 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1163 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1164 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1165 return null; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1166 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1167 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1168 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1169 * iterate over all declaredMethods of this class (and it's superclasses), until |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1170 * the provided MethodLocator tells us it's done |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1171 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1172 public void matchMethods (MethodLocator loc) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1173 for (MethodInfo mi : methods.values()) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1174 if (loc.match(mi)) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1175 return; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1176 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1177 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1178 if (superClass != null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1179 superClass.matchMethods(loc); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1180 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1181 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1182 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1183 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1184 * iterate over all declaredMethods declared in this class, until the provided |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1185 * MethodLocator tells us it's done |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1186 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1187 public void matchDeclaredMethods (MethodLocator loc) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1188 for (MethodInfo mi : methods.values()) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1189 if (loc.match(mi)) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1190 return; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1191 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1192 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1193 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1194 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1195 @Override |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1196 public Iterator<MethodInfo> iterator() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1197 return new Iterator<MethodInfo>() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1198 ClassInfo ci = ClassInfo.this; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1199 Iterator<MethodInfo> it = ci.methods.values().iterator(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1200 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1201 @Override |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1202 public boolean hasNext() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1203 if (it.hasNext()) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1204 return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1205 } else { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1206 if (ci.superClass != null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1207 ci = ci.superClass; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1208 it = ci.methods.values().iterator(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1209 return it.hasNext(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1210 } else { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1211 return false; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1212 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1213 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1214 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1215 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1216 @Override |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1217 public MethodInfo next() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1218 if (hasNext()) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1219 return it.next(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1220 } else { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1221 throw new NoSuchElementException(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1222 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1223 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1224 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1225 @Override |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1226 public void remove() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1227 // not supported |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1228 throw new UnsupportedOperationException("can't remove methods"); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1229 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1230 }; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1231 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1232 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1233 public Iterator<MethodInfo> declaredMethodIterator() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1234 return methods.values().iterator(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1235 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1236 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1237 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1238 * Search up the class hierarchy to find a static field |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1239 * @param fName name of field |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1240 * @return null if field name not found (not declared) |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1241 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1242 public FieldInfo getStaticField (String fName) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1243 FieldInfo fi; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1244 ClassInfo c = this; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1245 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1246 while (c != null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1247 fi = c.getDeclaredStaticField(fName); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1248 if (fi != null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1249 return fi; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1250 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1251 c = c.superClass; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1252 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1253 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1254 //interfaceNames can have static fields too |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1255 // <2do> why would that not be already resolved here ? |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1256 for (ClassInfo ci : getAllInterfaces()) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1257 fi = ci.getDeclaredStaticField(fName); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1258 if (fi != null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1259 return fi; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1260 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1261 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1262 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1263 return null; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1264 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1265 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1266 public Object getStaticFieldValueObject (String id){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1267 ClassInfo c = this; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1268 Object v; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1269 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1270 while (c != null){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1271 ElementInfo sei = c.getStaticElementInfo(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1272 v = sei.getFieldValueObject(id); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1273 if (v != null){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1274 return v; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1275 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1276 c = c.getSuperClass(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1277 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1278 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1279 return null; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1280 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1281 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1282 public FieldInfo[] getDeclaredStaticFields() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1283 return sFields; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1284 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1285 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1286 public FieldInfo[] getDeclaredInstanceFields() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1287 return iFields; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1288 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1289 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1290 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1291 * FieldInfo lookup in the static fields that are declared in this class |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1292 * <2do> pcm - should employ a map at some point, but it's usually not that |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1293 * important since we can cash the returned FieldInfo in the PUT/GET_STATIC insns |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1294 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1295 public FieldInfo getDeclaredStaticField (String fName) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1296 for (int i=0; i<sFields.length; i++) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1297 if (sFields[i].getName().equals(fName)) return sFields[i]; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1298 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1299 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1300 return null; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1301 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1302 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1303 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1304 * base relative FieldInfo lookup - the workhorse |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1305 * <2do> again, should eventually use Maps |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1306 * @param fName the field name |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1307 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1308 public FieldInfo getInstanceField (String fName) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1309 FieldInfo fi; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1310 ClassInfo c = this; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1311 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1312 while (c != null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1313 fi = c.getDeclaredInstanceField(fName); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1314 if (fi != null) return fi; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1315 c = c.superClass; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1316 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1317 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1318 return null; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1319 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1320 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1321 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1322 * FieldInfo lookup in the fields that are declared in this class |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1323 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1324 public FieldInfo getDeclaredInstanceField (String fName) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1325 for (int i=0; i<iFields.length; i++) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1326 if (iFields[i].getName().equals(fName)) return iFields[i]; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1327 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1328 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1329 return null; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1330 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1331 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1332 public String getSignature() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1333 if (signature == null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1334 signature = Types.getTypeSignature(name, false); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1335 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1336 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1337 return signature; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1338 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1339 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1340 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1341 * Returns the name of the class. e.g. "java.lang.String". similar to |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1342 * java.lang.Class.getName(). |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1343 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1344 public String getName () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1345 return name; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1346 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1347 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1348 public String getSimpleName () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1349 int i; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1350 String enclosingClassName = getEnclosingClassName(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1351 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1352 if(enclosingClassName!=null){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1353 i = enclosingClassName.length(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1354 } else{ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1355 i = name.lastIndexOf('.'); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1356 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1357 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1358 return name.substring(i+1); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1359 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1360 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1361 public String getPackageName () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1362 return packageName; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1363 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1364 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1365 public int getId() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1366 return id; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1367 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1368 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1369 public long getUniqueId() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1370 return uniqueId; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1371 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1372 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1373 public int getFieldAttrs (int fieldIndex) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1374 fieldIndex = 0; // Get rid of IDE warning |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1375 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1376 return 0; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1377 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1378 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1379 public void setElementInfoAttrs (int attrs){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1380 elementInfoAttrs = attrs; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1381 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1382 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1383 public void addElementInfoAttr (int attr){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1384 elementInfoAttrs |= attr; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1385 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1386 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1387 public int getElementInfoAttrs () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1388 return elementInfoAttrs; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1389 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1390 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1391 public Source getSource () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1392 if (source == null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1393 source = loadSource(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1394 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1395 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1396 return source; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1397 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1398 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1399 public String getSourceFileName () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1400 return sourceFileName; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1401 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1402 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1403 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1404 * Returns the information about a static field. |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1405 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1406 public FieldInfo getStaticField (int index) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1407 return sFields[index]; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1408 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1409 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1410 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1411 * Returns the name of a static field. |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1412 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1413 public String getStaticFieldName (int index) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1414 return getStaticField(index).getName(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1415 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1416 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1417 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1418 * Checks if a static method call is deterministic, but only for |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1419 * abtraction based determinism, due to Bandera.choose() calls |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1420 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1421 public boolean isStaticMethodAbstractionDeterministic (ThreadInfo th, |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1422 MethodInfo mi) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1423 // Reflection r = reflection.instantiate(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1424 // return r.isStaticMethodAbstractionDeterministic(th, mi); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1425 // <2do> - still has to be implemented |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1426 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1427 th = null; // Get rid of IDE warning |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1428 mi = null; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1429 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1430 return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1431 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1432 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1433 public String getSuperClassName() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1434 return superClassName; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1435 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1436 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1437 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1438 * Return the super class. |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1439 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1440 public ClassInfo getSuperClass () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1441 return superClass; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1442 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1443 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1444 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1445 * return the ClassInfo for the provided superclass name. If this is equals |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1446 * to ourself, return this (a little bit strange if we hit it in the first place) |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1447 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1448 public ClassInfo getSuperClass (String clsName) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1449 if (clsName.equals(name)) return this; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1450 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1451 if (superClass != null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1452 return superClass.getSuperClass(clsName); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1453 } else { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1454 return null; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1455 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1456 } |
24
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
1457 |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
1458 public int getNumberOfSuperClasses(){ |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
1459 int n = 0; |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
1460 for (ClassInfo ci = superClass; ci != null; ci = ci.superClass){ |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
1461 n++; |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
1462 } |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
1463 return n; |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
1464 } |
0
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|
1465 |
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diff
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|
1466 /** |
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diff
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|
1467 * beware - this loads (but not yet registers) the enclosing class |
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parents:
diff
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|
1468 */ |
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parents:
diff
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|
1469 public String getEnclosingClassName(){ |
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parents:
diff
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|
1470 return enclosingClassName; |
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parents:
diff
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|
1471 } |
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parents:
diff
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|
1472 |
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parents:
diff
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|
1473 /** |
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diff
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|
1474 * beware - this loads (but not yet registers) the enclosing class |
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parents:
diff
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|
1475 */ |
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parents:
diff
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|
1476 public ClassInfo getEnclosingClassInfo() { |
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parents:
diff
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|
1477 String enclName = getEnclosingClassName(); |
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parents:
diff
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|
1478 return (enclName == null ? null : classLoader.getResolvedClassInfo(enclName)); // ? is this supposed to use the same classloader |
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diff
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|
1479 } |
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parents:
diff
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|
1480 |
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parents:
diff
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|
1481 public String getEnclosingMethodName(){ |
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parents:
diff
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|
1482 return enclosingMethodName; |
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parents:
diff
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|
1483 } |
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parents:
diff
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|
1484 |
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parents:
diff
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|
1485 /** |
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parents:
diff
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|
1486 * same restriction as getEnclosingClassInfo() - might not be registered/initialized |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
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|
1487 */ |
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parents:
diff
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|
1488 public MethodInfo getEnclosingMethodInfo(){ |
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parents:
diff
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|
1489 MethodInfo miEncl = null; |
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parents:
diff
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|
1490 |
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parents:
diff
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|
1491 if (enclosingMethodName != null){ |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
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|
1492 ClassInfo ciIncl = getEnclosingClassInfo(); |
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parents:
diff
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|
1493 miEncl = ciIncl.getMethod( enclosingMethodName, false); |
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parents:
diff
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|
1494 } |
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parents:
diff
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|
1495 |
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parents:
diff
changeset
|
1496 return miEncl; |
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parents:
diff
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|
1497 } |
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parents:
diff
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|
1498 |
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diff
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|
1499 /** |
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parents:
diff
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|
1500 * Returns true if the class is a system class. |
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parents:
diff
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|
1501 */ |
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parents:
diff
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|
1502 public boolean isSystemClass () { |
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parents:
diff
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|
1503 return name.startsWith("java.") || name.startsWith("javax."); |
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|
1504 } |
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|
1505 |
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|
1506 /** |
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diff
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|
1507 * <2do> that's stupid - we should use subclasses for builtin and box types |
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diff
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|
1508 */ |
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parents:
diff
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|
1509 public boolean isBoxClass () { |
61d41facf527
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diff
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|
1510 if (name.startsWith("java.lang.")) { |
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parents:
diff
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|
1511 String rawType = name.substring(10); |
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parents:
diff
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|
1512 if (rawType.startsWith("Boolean") || |
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diff
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|
1513 rawType.startsWith("Byte") || |
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parents:
diff
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|
1514 rawType.startsWith("Character") || |
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parents:
diff
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|
1515 rawType.startsWith("Integer") || |
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parents:
diff
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|
1516 rawType.startsWith("Float") || |
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parents:
diff
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|
1517 rawType.startsWith("Long") || |
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|
1518 rawType.startsWith("Double")) { |
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diff
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|
1519 return true; |
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diff
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|
1520 } |
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diff
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|
1521 } |
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diff
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|
1522 return false; |
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parents:
diff
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|
1523 } |
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|
1524 |
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diff
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|
1525 /** |
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|
1526 * Returns the type of a class. |
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|
1527 */ |
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diff
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|
1528 public String getType () { |
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diff
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|
1529 if (!isArray) { |
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|
1530 return "L" + name.replace('.', '/') + ";"; |
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|
1531 } else { |
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|
1532 return name; |
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|
1533 } |
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diff
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|
1534 } |
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parents:
diff
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|
1535 |
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|
1536 /** |
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|
1537 * is this a (subclass of) WeakReference? this must be efficient, since it's |
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|
1538 * called in the mark phase on all live objects |
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diff
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|
1539 */ |
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parents:
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|
1540 public boolean isWeakReference () { |
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diff
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|
1541 return isWeakReference; |
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diff
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|
1542 } |
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|
1543 |
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|
1544 /** |
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|
1545 * note this only returns true is this is really the java.lang.ref.Reference classInfo |
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diff
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|
1546 */ |
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parents:
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changeset
|
1547 public boolean isReferenceClassInfo () { |
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|
1548 return isRefClassInfo; |
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diff
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|
1549 } |
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|
1550 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1551 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1552 * whether this refers to a primitive type. |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1553 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1554 public boolean isPrimitive() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1555 return superClass == null && !isObjectClassInfo(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1556 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1557 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1558 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1559 boolean hasRefField (int ref, Fields fv) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1560 ClassInfo c = this; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1561 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1562 do { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1563 FieldInfo[] fia = c.iFields; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1564 for (int i=0; i<fia.length; i++) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1565 FieldInfo fi = c.iFields[i]; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1566 if (fi.isReference() && (fv.getIntValue( fi.getStorageOffset()) == ref)) return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1567 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1568 c = c.superClass; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1569 } while (c != null); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1570 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1571 return false; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1572 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1573 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1574 boolean hasImmutableInstances () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1575 return ((elementInfoAttrs & ElementInfo.ATTR_IMMUTABLE) != 0); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1576 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1577 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1578 public boolean hasInstanceFieldInfoAttr (Class<?> type){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1579 for (int i=0; i<nInstanceFields; i++){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1580 if (getInstanceField(i).hasAttr(type)){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1581 return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1582 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1583 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1584 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1585 return false; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1586 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1587 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1588 public NativePeer getNativePeer () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1589 return nativePeer; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1590 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1591 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1592 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1593 * Returns true if the given class is an instance of the class |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1594 * or interface specified. |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1595 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1596 public boolean isInstanceOf (String cname) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1597 if (isPrimitive()) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1598 return Types.getJNITypeCode(name).equals(cname); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1599 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1600 } else { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1601 cname = Types.getClassNameFromTypeName(cname); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1602 ClassInfo ci = this.classLoader.getResolvedClassInfo(cname); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1603 return isInstanceOf(ci); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1604 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1605 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1606 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1607 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1608 * Returns true if the given class is an instance of the class |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1609 * or interface specified. |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1610 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1611 public boolean isInstanceOf (ClassInfo ci) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1612 if (isPrimitive()) { // no inheritance for builtin types |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1613 return (this==ci); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1614 } else { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1615 for (ClassInfo c = this; c != null; c = c.superClass) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1616 if (c==ci) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1617 return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1618 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1619 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1620 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1621 return getAllInterfaces().contains(ci); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1622 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1623 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1624 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1625 public boolean isInnerClassOf (String enclosingName){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1626 // don't register or initialize yet |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1627 ClassInfo ciEncl = classLoader.tryGetResolvedClassInfo( enclosingName); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1628 if (ciEncl != null){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1629 return ciEncl.hasInnerClass(name); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1630 } else { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1631 return false; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1632 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1633 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1634 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1635 public boolean hasInnerClass (String innerName){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1636 for (int i=0; i<innerClassNames.length; i++){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1637 if (innerClassNames[i].equals(innerName)){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1638 return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1639 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1640 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1641 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1642 return false; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1643 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1644 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1645 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1646 public static String makeModelClassPath (Config config) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1647 StringBuilder buf = new StringBuilder(256); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1648 String ps = File.pathSeparator; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1649 String v; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1650 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1651 for (File f : config.getPathArray("boot_classpath")){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1652 buf.append(f.getAbsolutePath()); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1653 buf.append(ps); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1654 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1655 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1656 for (File f : config.getPathArray("classpath")){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1657 buf.append(f.getAbsolutePath()); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1658 buf.append(ps); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1659 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1660 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1661 // finally, we load from the standard Java libraries |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1662 v = System.getProperty("sun.boot.class.path"); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1663 if (v != null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1664 buf.append(v); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1665 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1666 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1667 return buf.toString(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1668 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1669 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1670 protected static String[] loadArrayInterfaces () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1671 return new String[] {"java.lang.Cloneable", "java.io.Serializable"}; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1672 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1673 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1674 protected static String[] loadBuiltinInterfaces (String type) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1675 return EMPTY_STRING_ARRAY; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1676 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1677 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1678 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1679 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1680 * Loads the ClassInfo for named class. |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1681 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1682 void loadInterfaceRec (Set<ClassInfo> set, String[] interfaces) throws ClassInfoException { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1683 if (interfaces != null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1684 for (String iname : interfaces) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1685 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1686 ClassInfo ci = classLoader.getResolvedClassInfo(iname); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1687 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1688 if (set != null){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1689 set.add(ci); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1690 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1691 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1692 loadInterfaceRec(set, ci.interfaceNames); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1693 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1694 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1695 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1696 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1697 int computeInstanceDataOffset () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1698 if (superClass == null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1699 return 0; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1700 } else { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1701 return superClass.getInstanceDataSize(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1702 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1703 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1704 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1705 int getInstanceDataOffset () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1706 return instanceDataOffset; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1707 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1708 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1709 ClassInfo getClassBase (String clsBase) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1710 if ((clsBase == null) || (name.equals(clsBase))) return this; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1711 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1712 if (superClass != null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1713 return superClass.getClassBase(clsBase); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1714 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1715 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1716 return null; // Eeek - somebody asked for a class that isn't in the base list |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1717 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1718 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1719 int computeInstanceDataSize () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1720 int n = getDataSize( iFields); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1721 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1722 for (ClassInfo c=superClass; c!= null; c=c.superClass) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1723 n += c.getDataSize(c.iFields); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1724 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1725 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1726 return n; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1727 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1728 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1729 public int getInstanceDataSize () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1730 return instanceDataSize; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1731 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1732 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1733 int getDataSize (FieldInfo[] fields) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1734 int n=0; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1735 for (int i=0; i<fields.length; i++) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1736 n += fields[i].getStorageSize(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1737 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1738 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1739 return n; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1740 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1741 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1742 public int getNumberOfDeclaredInstanceFields () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1743 return iFields.length; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1744 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1745 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1746 public FieldInfo getDeclaredInstanceField (int i) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1747 return iFields[i]; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1748 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1749 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1750 public int getNumberOfInstanceFields () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1751 return nInstanceFields; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1752 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1753 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1754 public FieldInfo getInstanceField (int i) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1755 int idx = i - (nInstanceFields - iFields.length); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1756 if (idx >= 0) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1757 return ((idx < iFields.length) ? iFields[idx] : null); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1758 } else { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1759 return ((superClass != null) ? superClass.getInstanceField(i) : null); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1760 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1761 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1762 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1763 public FieldInfo[] getInstanceFields(){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1764 FieldInfo[] fields = new FieldInfo[nInstanceFields]; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1765 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1766 for (int i=0; i<fields.length; i++){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1767 fields[i] = getInstanceField(i); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1768 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1769 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1770 return fields; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1771 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1772 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1773 public int getStaticDataSize () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1774 return staticDataSize; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1775 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1776 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1777 int computeStaticDataSize () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1778 return getDataSize(sFields); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1779 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1780 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1781 public int getNumberOfStaticFields () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1782 return sFields.length; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1783 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1784 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1785 protected Source loadSource () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1786 return Source.getSource(sourceFileName); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1787 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1788 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1789 public static boolean isBuiltinClass (String cname) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1790 char c = cname.charAt(0); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1791 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1792 // array class |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1793 if ((c == '[') || cname.endsWith("[]")) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1794 return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1795 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1796 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1797 // primitive type class |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1798 if (Character.isLowerCase(c)) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1799 if ("int".equals(cname) || "byte".equals(cname) || |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1800 "boolean".equals(cname) || "double".equals(cname) || |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1801 "long".equals(cname) || "char".equals(cname) || |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1802 "short".equals(cname) || "float".equals(cname) || "void".equals(cname)) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1803 return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1804 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1805 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1806 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1807 return false; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1808 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1809 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1810 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1811 * set the locations where we look up sources |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1812 */ |
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initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1813 static void setSourceRoots (Config config) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1814 Source.init(config); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1815 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1816 |
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initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1817 /** |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1818 * get names of all interfaceNames (transitive, idx.e. incl. bases and super-interfaceNames) |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1819 * @return a Set of String interface names |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1820 */ |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1821 public Set<ClassInfo> getAllInterfaces () { |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1822 if (allInterfaces == null) { |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1823 HashSet<ClassInfo> set = new HashSet<ClassInfo>(); |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1824 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1825 for (ClassInfo ci=this; ci != null; ci=ci.superClass) { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1826 loadInterfaceRec(set, ci.interfaceNames); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1827 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1828 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1829 allInterfaces = Collections.unmodifiableSet(set); |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1830 } |
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parents:
diff
changeset
|
1831 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1832 return allInterfaces; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1833 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1834 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1835 /** |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1836 * get names of directly implemented interfaceNames |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1837 */ |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1838 public String[] getDirectInterfaceNames () { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1839 return interfaceNames; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1840 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1841 |
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parents:
diff
changeset
|
1842 public Set<ClassInfo> getInterfaceClassInfos() { |
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initial v8 import (history reset)
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parents:
diff
changeset
|
1843 return interfaces; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1844 } |
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parents:
diff
changeset
|
1845 |
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parents:
diff
changeset
|
1846 public Set<ClassInfo> getAllInterfaceClassInfos() { |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1847 return getAllInterfaces(); |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1848 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1849 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1850 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1851 /** |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1852 * get names of direct inner classes |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1853 */ |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1854 public String[] getInnerClasses(){ |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1855 return innerClassNames; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1856 } |
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parents:
diff
changeset
|
1857 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1858 public ClassInfo[] getInnerClassInfos(){ |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1859 ClassInfo[] innerClassInfos = new ClassInfo[innerClassNames.length]; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1860 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1861 for (int i=0; i< innerClassNames.length; i++){ |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1862 innerClassInfos[i] = classLoader.getResolvedClassInfo(innerClassNames[i]); // ? is this supposed to use the same classloader |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1863 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1864 |
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parents:
diff
changeset
|
1865 return innerClassInfos; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1866 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1867 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1868 public BootstrapMethodInfo getBootstrapMethodInfo(int index) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1869 return bootstrapMethods[index]; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1870 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1871 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1872 public ClassInfo getComponentClassInfo () { |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1873 if (isArray()) { |
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parents:
diff
changeset
|
1874 String cn = name.substring(1); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1875 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1876 if (cn.charAt(0) != '[') { |
61d41facf527
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parents:
diff
changeset
|
1877 cn = Types.getTypeName(cn); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1878 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1879 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1880 ClassInfo cci = classLoader.getResolvedClassInfo(cn); |
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parents:
diff
changeset
|
1881 |
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parents:
diff
changeset
|
1882 return cci; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1883 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1884 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1885 return null; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1886 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1887 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1888 /** |
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parents:
diff
changeset
|
1889 * most definitely not a public method, but handy for the NativePeer |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1890 */ |
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parents:
diff
changeset
|
1891 protected Map<String, MethodInfo> getDeclaredMethods () { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1892 return methods; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1893 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1894 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1895 /** |
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parents:
diff
changeset
|
1896 * be careful, this replaces or adds MethodInfos dynamically |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1897 */ |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1898 public MethodInfo putDeclaredMethod (MethodInfo mi){ |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1899 return methods.put(mi.getUniqueName(), mi); |
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parents:
diff
changeset
|
1900 } |
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parents:
diff
changeset
|
1901 |
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parents:
diff
changeset
|
1902 public MethodInfo[] getDeclaredMethodInfos() { |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1903 MethodInfo[] a = new MethodInfo[methods.size()]; |
61d41facf527
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parents:
diff
changeset
|
1904 methods.values().toArray(a); |
61d41facf527
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parents:
diff
changeset
|
1905 return a; |
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parents:
diff
changeset
|
1906 } |
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parents:
diff
changeset
|
1907 |
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parents:
diff
changeset
|
1908 public Instruction[] getMatchingInstructions (LocationSpec lspec){ |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1909 Instruction[] insns = null; |
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parents:
diff
changeset
|
1910 |
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parents:
diff
changeset
|
1911 if (lspec.matchesFile(sourceFileName)){ |
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parents:
diff
changeset
|
1912 for (MethodInfo mi : methods.values()) { |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1913 Instruction[] a = mi.getMatchingInstructions(lspec); |
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parents:
diff
changeset
|
1914 if (a != null){ |
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parents:
diff
changeset
|
1915 if (insns != null) { |
61d41facf527
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parents:
diff
changeset
|
1916 // not very efficient but probably rare |
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parents:
diff
changeset
|
1917 insns = Misc.appendArray(insns, a); |
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parents:
diff
changeset
|
1918 } else { |
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parents:
diff
changeset
|
1919 insns = a; |
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parents:
diff
changeset
|
1920 } |
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parents:
diff
changeset
|
1921 |
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parents:
diff
changeset
|
1922 // little optimization |
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parents:
diff
changeset
|
1923 if (!lspec.isLineInterval()) { |
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parents:
diff
changeset
|
1924 break; |
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parents:
diff
changeset
|
1925 } |
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parents:
diff
changeset
|
1926 } |
61d41facf527
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parents:
diff
changeset
|
1927 } |
61d41facf527
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parents:
diff
changeset
|
1928 } |
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parents:
diff
changeset
|
1929 |
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parents:
diff
changeset
|
1930 return insns; |
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parents:
diff
changeset
|
1931 } |
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parents:
diff
changeset
|
1932 |
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parents:
diff
changeset
|
1933 public List<MethodInfo> getMatchingMethodInfos (MethodSpec mspec){ |
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parents:
diff
changeset
|
1934 ArrayList<MethodInfo> list = null; |
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parents:
diff
changeset
|
1935 if (mspec.matchesClass(name)) { |
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parents:
diff
changeset
|
1936 for (MethodInfo mi : methods.values()) { |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1937 if (mspec.matches(mi)) { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1938 if (list == null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1939 list = new ArrayList<MethodInfo>(); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1940 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1941 list.add(mi); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1942 } |
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parents:
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1943 } |
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|
1944 } |
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|
1945 return list; |
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parents:
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|
1946 } |
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|
1947 |
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1948 public MethodInfo getFinalizer () { |
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1949 return finalizer; |
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parents:
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|
1950 } |
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parents:
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1951 |
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1952 public MethodInfo getClinit() { |
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1953 // <2do> braindead - cache |
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1954 for (MethodInfo mi : methods.values()) { |
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1955 if ("<clinit>".equals(mi.getName())) { |
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1956 return mi; |
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|
1957 } |
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1958 } |
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1959 return null; |
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|
1960 } |
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1961 |
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1962 public boolean hasCtors() { |
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1963 // <2do> braindead - cache |
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1964 for (MethodInfo mi : methods.values()) { |
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1965 if ("<init>".equals(mi.getName())) { |
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1966 return true; |
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|
1967 } |
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1968 } |
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1969 return false; |
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|
1970 } |
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1971 |
24
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
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|
1972 /** |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
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|
1973 * see getInitializedClassInfo() for restrictions. |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
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1974 */ |
0
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1975 public static ClassInfo getInitializedSystemClassInfo (String clsName, ThreadInfo ti){ |
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1976 ClassLoaderInfo systemLoader = ClassLoaderInfo.getCurrentSystemClassLoader(); |
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1977 ClassInfo ci = systemLoader.getResolvedClassInfo(clsName); |
24
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
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1978 ci.initializeClassAtomic(ti); |
0
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1979 |
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1980 return ci; |
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|
1981 } |
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|
1982 |
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|
1983 /** |
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1984 * this one is for clients that need to synchronously get an initialized classinfo. |
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1985 * NOTE: we don't handle clinits here. If there is one, this will throw |
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parents:
diff
changeset
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1986 * an exception. NO STATIC BLOCKS / FIELDS ALLOWED |
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parents:
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|
1987 */ |
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|
1988 public static ClassInfo getInitializedClassInfo (String clsName, ThreadInfo ti){ |
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parents:
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|
1989 ClassLoaderInfo cl = ClassLoaderInfo.getCurrentClassLoader(); |
24
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
1990 ClassInfo ci = cl.getResolvedClassInfo(clsName); |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
1991 ci.initializeClassAtomic(ti); |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
1992 |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
1993 return ci; |
0
61d41facf527
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parents:
diff
changeset
|
1994 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1995 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
1996 public boolean isRegistered () { |
61d41facf527
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parents:
diff
changeset
|
1997 //return (id != -1); |
61d41facf527
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parents:
diff
changeset
|
1998 return getStaticElementInfo() != null; |
61d41facf527
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parents:
diff
changeset
|
1999 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2000 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2001 /** |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2002 * this registers a ClassInfo in the corresponding ClassLoader statics so that we can cross-link from |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2003 * SUT code and access static fields. |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2004 */ |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2005 public StaticElementInfo registerClass (ThreadInfo ti){ |
61d41facf527
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parents:
diff
changeset
|
2006 StaticElementInfo sei = getStaticElementInfo(); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2007 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2008 if (sei == null) { |
61d41facf527
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parents:
diff
changeset
|
2009 // do this recursively for superclasses and interfaceNames |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2010 // respective classes might be defined by another classloader, so we have to call their ClassInfo.registerClass() |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2011 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2012 if (superClass != null) { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2013 superClass.registerClass(ti); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2014 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2015 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2016 for (ClassInfo ifc : interfaces) { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2017 ifc.registerClass(ti); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2018 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2019 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2020 ClassInfo.logger.finer("registering class: ", name); |
61d41facf527
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parents:
diff
changeset
|
2021 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2022 ElementInfo ei = createClassObject( ti); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2023 sei = createAndLinkStaticElementInfo( ti, ei); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2024 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2025 // SUT class is fully resolved and registered (but not necessarily initialized), notify listeners |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2026 ti.getVM().notifyClassLoaded(this); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2027 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2028 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2029 return sei; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2030 } |
61d41facf527
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parents:
diff
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|
2031 |
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parents:
diff
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|
2032 ElementInfo createClassObject (ThreadInfo ti){ |
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parents:
diff
changeset
|
2033 Heap heap = VM.getVM().getHeap(); // ti can be null (during main thread initialization) |
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|
2034 |
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parents:
diff
changeset
|
2035 int anchor = name.hashCode(); // 2do - this should also take the ClassLoader ref into account |
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parents:
diff
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|
2036 |
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parents:
diff
changeset
|
2037 SystemClassLoaderInfo systemClassLoader = ti.getSystemClassLoaderInfo(); |
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parents:
diff
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|
2038 |
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parents:
diff
changeset
|
2039 ClassInfo classClassInfo = systemClassLoader.getClassClassInfo(); |
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parents:
diff
changeset
|
2040 ElementInfo ei = heap.newSystemObject(classClassInfo, ti, anchor); |
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parents:
diff
changeset
|
2041 int clsObjRef = ei.getObjectRef(); |
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parents:
diff
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|
2042 |
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parents:
diff
changeset
|
2043 ElementInfo eiClsName = heap.newSystemString(name, ti, clsObjRef); |
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parents:
diff
changeset
|
2044 ei.setReferenceField("name", eiClsName.getObjectRef()); |
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parents:
diff
changeset
|
2045 |
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parents:
diff
changeset
|
2046 ei.setBooleanField("isPrimitive", isPrimitive()); |
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parents:
diff
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|
2047 |
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parents:
diff
changeset
|
2048 // setting the ID_FIELD is done in registerClass once we have a StaticElementInfo |
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parents:
diff
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|
2049 |
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parents:
diff
changeset
|
2050 // link the SUT class object to the classloader |
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parents:
diff
changeset
|
2051 ei.setReferenceField("classLoader", classLoader.getClassLoaderObjectRef()); |
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parents:
diff
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|
2052 |
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diff
changeset
|
2053 return ei; |
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parents:
diff
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|
2054 } |
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parents:
diff
changeset
|
2055 |
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parents:
diff
changeset
|
2056 StaticElementInfo createAndLinkStaticElementInfo (ThreadInfo ti, ElementInfo eiClsObj) { |
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parents:
diff
changeset
|
2057 Statics statics = classLoader.getStatics(); |
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parents:
diff
changeset
|
2058 StaticElementInfo sei = statics.newClass(this, ti, eiClsObj); |
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parents:
diff
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|
2059 |
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parents:
diff
changeset
|
2060 id = sei.getObjectRef(); // kind of a misnomer, it's really an id |
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parents:
diff
changeset
|
2061 uniqueId = ((long)classLoader.getId() << 32) | id; |
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parents:
diff
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|
2062 |
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parents:
diff
changeset
|
2063 eiClsObj.setIntField( ID_FIELD, id); |
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parents:
diff
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|
2064 |
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parents:
diff
changeset
|
2065 return sei; |
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parents:
diff
changeset
|
2066 } |
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parents:
diff
changeset
|
2067 |
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parents:
diff
changeset
|
2068 |
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parents:
diff
changeset
|
2069 // for startup classes, the order of initialization is reversed since we can't create |
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parents:
diff
changeset
|
2070 // heap objects before we have a minimal set of registered classes |
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parents:
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|
2071 |
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parents:
diff
changeset
|
2072 void registerStartupClass(ThreadInfo ti, List<ClassInfo> list) { |
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parents:
diff
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|
2073 if (!isRegistered()) { |
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parents:
diff
changeset
|
2074 // do this recursively for superclasses and interfaceNames |
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parents:
diff
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2075 // respective classes might be defined by another classloader, so we have |
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parents:
diff
changeset
|
2076 // to call their ClassInfo.registerClass() |
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parents:
diff
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|
2077 |
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parents:
diff
changeset
|
2078 if (superClass != null) { |
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parents:
diff
changeset
|
2079 superClass.registerStartupClass(ti, list); |
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parents:
diff
changeset
|
2080 } |
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parents:
diff
changeset
|
2081 |
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parents:
diff
changeset
|
2082 for (ClassInfo ifc : interfaces) { |
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parents:
diff
changeset
|
2083 ifc.registerStartupClass(ti, list); |
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parents:
diff
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|
2084 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2085 } |
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parents:
diff
changeset
|
2086 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2087 if (!list.contains(this)) { |
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parents:
diff
changeset
|
2088 list.add(this); |
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parents:
diff
changeset
|
2089 ClassInfo.logger.finer("registering startup class: ", name); |
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parents:
diff
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|
2090 createStartupStaticElementInfo(ti); |
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parents:
diff
changeset
|
2091 } |
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parents:
diff
changeset
|
2092 |
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diff
changeset
|
2093 // SUT class is fully resolved and registered (but not necessarily initialized), notify listeners |
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parents:
diff
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|
2094 ti.getVM().notifyClassLoaded(this); |
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parents:
diff
changeset
|
2095 } |
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parents:
diff
changeset
|
2096 |
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parents:
diff
changeset
|
2097 StaticElementInfo createStartupStaticElementInfo (ThreadInfo ti) { |
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parents:
diff
changeset
|
2098 Statics statics = classLoader.getStatics(); |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2099 StaticElementInfo sei = statics.newStartupClass(this, ti); |
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parents:
diff
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|
2100 |
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parents:
diff
changeset
|
2101 id = sei.getObjectRef(); // kind of a misnomer, it's really an id |
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parents:
diff
changeset
|
2102 uniqueId = ((long)classLoader.getId() << 32) | id; |
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diff
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|
2103 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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diff
changeset
|
2104 return sei; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2105 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2106 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2107 ElementInfo createAndLinkStartupClassObject (ThreadInfo ti) { |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2108 StaticElementInfo sei = getStaticElementInfo(); |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2109 ElementInfo ei = createClassObject(ti); |
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parents:
diff
changeset
|
2110 |
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parents:
diff
changeset
|
2111 sei.setClassObjectRef(ei.getObjectRef()); |
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parents:
diff
changeset
|
2112 ei.setIntField( ID_FIELD, id); |
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diff
changeset
|
2113 |
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parents:
diff
changeset
|
2114 return ei; |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2115 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2116 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2117 boolean checkIfValidClassClassInfo() { |
61d41facf527
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parents:
diff
changeset
|
2118 return getDeclaredInstanceField( ID_FIELD) != null; |
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diff
changeset
|
2119 } |
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parents:
diff
changeset
|
2120 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2121 public boolean isInitializing () { |
61d41facf527
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diff
changeset
|
2122 StaticElementInfo sei = getStaticElementInfo(); |
61d41facf527
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diff
changeset
|
2123 return ((sei != null) && (sei.getStatus() >= 0)); |
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parents:
diff
changeset
|
2124 } |
61d41facf527
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parents:
diff
changeset
|
2125 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2126 /** |
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parents:
diff
changeset
|
2127 * note - this works recursively upwards since there might |
61d41facf527
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parents:
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changeset
|
2128 * be a superclass with a clinit that is still executing |
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parents:
diff
changeset
|
2129 */ |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2130 public boolean isInitialized () { |
61d41facf527
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parents:
diff
changeset
|
2131 for (ClassInfo ci = this; ci != null; ci = ci.superClass){ |
61d41facf527
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parents:
diff
changeset
|
2132 StaticElementInfo sei = ci.getStaticElementInfo(); |
61d41facf527
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diff
changeset
|
2133 if (sei == null || sei.getStatus() != INITIALIZED){ |
61d41facf527
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parents:
diff
changeset
|
2134 return false; |
61d41facf527
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parents:
diff
changeset
|
2135 } |
61d41facf527
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parents:
diff
changeset
|
2136 } |
61d41facf527
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parents:
diff
changeset
|
2137 |
61d41facf527
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parents:
diff
changeset
|
2138 return true; |
61d41facf527
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parents:
diff
changeset
|
2139 } |
61d41facf527
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parents:
diff
changeset
|
2140 |
61d41facf527
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parents:
diff
changeset
|
2141 public boolean isResolved () { |
61d41facf527
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parents:
diff
changeset
|
2142 return (!isObjectClassInfo() && superClass != null); |
61d41facf527
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parents:
diff
changeset
|
2143 } |
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parents:
diff
changeset
|
2144 |
24
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2145 public boolean needsInitialization (ThreadInfo ti){ |
0
61d41facf527
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parents:
diff
changeset
|
2146 StaticElementInfo sei = getStaticElementInfo(); |
24
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
2147 if (sei != null){ |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2148 int status = sei.getStatus(); |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2149 if (status == INITIALIZED || status == ti.getId()){ |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
2150 return false; |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2151 } |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2152 } |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2153 |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2154 return true; |
0
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2155 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2156 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2157 public void setInitializing(ThreadInfo ti) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2158 StaticElementInfo sei = getModifiableStaticElementInfo(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2159 sei.setStatus(ti.getId()); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2160 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2161 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2162 /** |
23
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2163 * initialize this class and its superclasses (but not interfaces) |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2164 * this will cause execution of clinits of not-yet-initialized classes in this hierarchy |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2165 * |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2166 * note - we don't treat registration/initialization of a class as |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2167 * a sharedness-changing operation since it is done automatically by |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2168 * the VM and the triggering action in the SUT (e.g. static field access or method call) |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2169 * is the one that should update sharedness and/or break the transition accordingly |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2170 * |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2171 * @return true - if initialization pushed DirectCallStackFrames and caller has to re-execute |
0
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2172 */ |
23
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2173 public boolean initializeClass(ThreadInfo ti){ |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2174 int pushedFrames = 0; |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2175 |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2176 // push clinits of class hierarchy (upwards, since call stack is LIFO) |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2177 for (ClassInfo ci = this; ci != null; ci = ci.getSuperClass()) { |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2178 StaticElementInfo sei = ci.getStaticElementInfo(); |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2179 if (sei == null){ |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2180 sei = ci.registerClass(ti); |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2181 } |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2182 |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2183 int status = sei.getStatus(); |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2184 if (status != INITIALIZED){ |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2185 // we can't do setInitializing() yet because there is no global lock that |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2186 // covers the whole clinit chain, and we might have a context switch before executing |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2187 // a already pushed subclass clinit - there can be races as to which thread |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
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|
2188 // does the static init first. Note this case is checked in INVOKECLINIT |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2189 // (which is one of the reasons why we have it). |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2190 |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2191 if (status != ti.getId()) { |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2192 // even if it is already initializing - if it does not happen in the current thread |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2193 // we have to sync, which we do by calling clinit |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
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|
2194 MethodInfo mi = ci.getMethod("<clinit>()V", false); |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2195 if (mi != null) { |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2196 DirectCallStackFrame frame = ci.createDirectCallStackFrame(ti, mi, 0); |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2197 ti.pushFrame( frame); |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2198 pushedFrames++; |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2199 |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2200 } else { |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2201 // it has no clinit, we can set it initialized |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2202 ci.setInitialized(); |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2203 } |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2204 } else { |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2205 // ignore if it's already being initialized by our own thread (recursive request) |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2206 } |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2207 } else { |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2208 break; // if this class is initialized, so are its superclasses |
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2209 } |
0
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2210 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2211 |
23
db918c531e6d
streamlined class init, which was a mixed case of registerClass()/initializeClass() and pushRequiredClinits(). Now it is a single initializeClass(ti) method which combines the previous initializeClass(), pushRequiredClinits() and pushClinit() methods. The reason for combining these is the forthcoming replacement of separately locked clinits from different DirectCallStackFrames with a single synthetic frame that calls clinits from nested synchronized blocks. This is required to model hotspot, which does cause deadlocks with concurrent init of classes that cause subclass init during their clinit executions.
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
17
diff
changeset
|
2212 return (pushedFrames > 0); |
0
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2213 } |
24
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2214 |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
2215 /** |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
2216 * use this with care since it will throw a JPFException if we encounter a choice point |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
2217 * during execution of clinits |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2218 * Use this mostly for wrapper exceptions and other system classes that are guaranteed to load |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
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|
2219 */ |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
2220 public void initializeClassAtomic (ThreadInfo ti){ |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2221 for (ClassInfo ci = this; ci != null; ci = ci.getSuperClass()) { |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2222 StaticElementInfo sei = ci.getStaticElementInfo(); |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
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|
2223 if (sei == null){ |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
2224 sei = ci.registerClass(ti); |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2225 } |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
2226 |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
2227 int status = sei.getStatus(); |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
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|
2228 if (status != INITIALIZED && status != ti.getId()){ |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
2229 MethodInfo mi = ci.getMethod("<clinit>()V", false); |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
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changeset
|
2230 if (mi != null) { |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
2231 DirectCallStackFrame frame = ci.createDirectCallStackFrame(ti, mi, 0); |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
2232 ti.executeMethodAtomic(frame); |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
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|
2233 } else { |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
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|
2234 ci.setInitialized(); |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
2235 } |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
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|
2236 } else { |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
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changeset
|
2237 break; // if this class is initialized, so are its superclasses |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
2238 } |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
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|
2239 } |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
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|
2240 } |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
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|
2241 |
0
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2242 public void setInitialized() { |
24
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
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|
2243 StaticElementInfo sei = getStaticElementInfo(); |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2244 if (sei != null && sei.getStatus() != INITIALIZED){ |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2245 sei = getModifiableStaticElementInfo(); |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2246 sei.setStatus(INITIALIZED); |
0
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2247 |
24
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2248 // we don't emit classLoaded() notifications for non-builtin classes |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2249 // here anymore because it would be confusing to get instructionExecuted() |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2250 // notifications from the <clinit> execution before the classLoaded() |
6774e2e08d37
the fix I would have liked to avoid - apparently hotspot internally does nested locking during class init, which can lead to deadlocks such as described in http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html. Actually, it's not a regular deadlock since core dumps still list the threads as runnable, althouth it doesn't seem to be a livelock either. In any case, it can be simulated by nested locking and clinit execution, and it is such a serious defect that we want to be able to catch it. The general mechanism is to replace the disparate (but properly ordered) direct clinit calls of the generic ClassInfo.initializeClass() with a single sythetic method that includes all required locking (bottom up), clinit calls / class status change (top down), and unlocking (top down). We also need to add a synthetic insn to defer changing the class status of classes that don't have clinits(), or otherwise the correct lock/unlock order will not amount to anything if the hierarchy is entered through one of the clinit-absent classes. Now we get proper deadlocks if there are concurrent cyclic dependencies during class resolution. However, this can be such a state exploder that we certainly don't want this as the default behavior, especially since it probably is hotspot specific. Nested class init locking is therefore controlled by jvm.nested_init and respective jvm.nested_init.include/exclude options. Added a NestedInitTest to demonstrate use. Thanks to Lilia Abdulina for bringing this long forgotten issue up
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
23
diff
changeset
|
2251 } |
0
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2252 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
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|
2253 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
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|
2254 public StaticElementInfo getStaticElementInfo() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
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|
2255 if (id != -1) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2256 return classLoader.getStatics().get( id); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2257 } else { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2258 return null; |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2259 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
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|
2260 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2261 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2262 public StaticElementInfo getModifiableStaticElementInfo() { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2263 if (id != -1) { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2264 return classLoader.getStatics().getModifiable( id); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
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|
2265 } else { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
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|
2266 return null; |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2267 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
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|
2268 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
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|
2269 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
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|
2270 Fields createArrayFields (String type, int nElements, int typeSize, boolean isReferenceArray) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2271 return fieldsFactory.createArrayFields( type, this, |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2272 nElements, typeSize, isReferenceArray); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2273 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
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|
2274 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
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|
2275 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2276 * Creates the fields for a class. This gets called during registration of a ClassInfo |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
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|
2277 */ |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2278 Fields createStaticFields () { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2279 return fieldsFactory.createStaticFields(this); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2280 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2281 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2282 void initializeStaticData (ElementInfo ei, ThreadInfo ti) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2283 for (int i=0; i<sFields.length; i++) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2284 FieldInfo fi = sFields[i]; |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2285 fi.initialize(ei, ti); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2286 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2287 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2288 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2289 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2290 * Creates the fields for an object. |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2291 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2292 public Fields createInstanceFields () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2293 return fieldsFactory.createInstanceFields(this); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2294 } |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2295 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2296 void initializeInstanceData (ElementInfo ei, ThreadInfo ti) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2297 // Note this is only used for field inits, and array elements are not fields! |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2298 // Since Java has only limited element init requirements (either 0 or null), |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2299 // we do this ad hoc in the ArrayFields ctor |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2300 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2301 // the order of inits should not matter, since this is only |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2302 // for constant inits. In case of a "class X { int a=42; int b=a; ..}" |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2303 // we have a explicit "GETFIELD a, PUTFIELD b" in the ctor, but to play it |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2304 // safely we init top down |
61d41facf527
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parents:
diff
changeset
|
2305 |
61d41facf527
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parents:
diff
changeset
|
2306 if (superClass != null) { // do superclasses first |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2307 superClass.initializeInstanceData(ei, ti); |
61d41facf527
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diff
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|
2308 } |
61d41facf527
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parents:
diff
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|
2309 |
61d41facf527
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diff
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|
2310 for (int i=0; i<iFields.length; i++) { |
61d41facf527
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parents:
diff
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|
2311 FieldInfo fi = iFields[i]; |
61d41facf527
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parents:
diff
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|
2312 fi.initialize(ei, ti); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
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|
2313 } |
61d41facf527
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parents:
diff
changeset
|
2314 } |
61d41facf527
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parents:
diff
changeset
|
2315 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
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|
2316 Map<String, MethodInfo> loadArrayMethods () { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2317 return new HashMap<String, MethodInfo>(0); |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2318 } |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2319 |
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2320 Map<String, MethodInfo> loadBuiltinMethods (String type) { |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2321 type = null; // Get rid of IDE warning |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2322 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2323 return new HashMap<String, MethodInfo>(0); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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diff
changeset
|
2324 } |
61d41facf527
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diff
changeset
|
2325 |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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diff
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|
2326 protected ClassInfo loadSuperClass (String superName) throws ClassInfoException { |
61d41facf527
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parents:
diff
changeset
|
2327 if (isObjectClassInfo()) { |
61d41facf527
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parents:
diff
changeset
|
2328 return null; |
61d41facf527
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parents:
diff
changeset
|
2329 } |
61d41facf527
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parents:
diff
changeset
|
2330 |
61d41facf527
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parents:
diff
changeset
|
2331 logger.finer("resolving superclass: ", superName, " of ", name); |
61d41facf527
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2332 |
61d41facf527
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parents:
diff
changeset
|
2333 // resolve the superclass |
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parents:
diff
changeset
|
2334 ClassInfo sci = resolveReferencedClass(superName); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2335 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2336 return sci; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2337 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2338 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2339 protected Set<ClassInfo> loadInterfaces (String[] ifcNames) throws ClassInfoException { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2340 if (ifcNames == null || ifcNames.length == 0){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2341 return NO_INTERFACES; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2342 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2343 } else { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2344 Set<ClassInfo> set = new HashSet<ClassInfo>(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2345 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2346 for (String ifcName : ifcNames) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2347 ClassInfo.logger.finer("resolving interface: ", ifcName, " of ", name); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2348 ClassInfo ifc = resolveReferencedClass(ifcName); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2349 set.add(ifc); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2350 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2351 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2352 return set; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2353 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2354 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2355 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2356 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2357 * loads superclass and direct interfaces, and computes information |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2358 * that depends on them |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2359 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2360 protected void resolveClass() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2361 if (!isObjectClassInfo){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2362 superClass = loadSuperClass(superClassName); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2363 releaseActions = superClass.releaseActions; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2364 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2365 interfaces = loadInterfaces(interfaceNames); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2366 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2367 //computeInheritedAnnotations(superClass); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2368 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2369 isWeakReference = isWeakReference0(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2370 isEnum = isEnum0(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2371 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2372 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2373 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2374 * get a ClassInfo for a referenced type that is resolved with the same classLoader, but make |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2375 * sure we only do this once per path |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2376 * |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2377 * This method is called by the following bytecode instructions: |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2378 * anewarray, checkcast, getstatic, instanceof, invokespecial, |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2379 * invokestatic, ldc, ldc_w, multianewarray, new, and putstatic |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2380 * |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2381 * It loads the class referenced by these instructions and adds it to the |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2382 * resolvedClasses map of the classLoader |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2383 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2384 public ClassInfo resolveReferencedClass(String cname) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2385 if(name.equals(cname)) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2386 return this; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2387 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2388 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2389 // if the class has been already resolved just return it |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2390 ClassInfo ci = classLoader.getAlreadyResolvedClassInfo(cname); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2391 if(ci != null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2392 return ci; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2393 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2394 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2395 // The defining class loader of the class initiate the load of referenced classes |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2396 ci = classLoader.loadClass(cname); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2397 classLoader.addResolvedClass(ci); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2398 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2399 return ci; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2400 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2401 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2402 protected int linkFields (FieldInfo[] fields, int idx, int off){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2403 for (FieldInfo fi: fields) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2404 fi.linkToClass(this, idx, off); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2405 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2406 int storageSize = fi.getStorageSize(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2407 off += storageSize; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2408 idx++; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2409 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2410 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2411 return off; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2412 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2413 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2414 protected void linkFields() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2415 //--- instance fields |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2416 if(superClass != null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2417 int superDataSize = superClass.instanceDataSize; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2418 instanceDataSize = linkFields( iFields, superClass.nInstanceFields, superDataSize); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2419 nInstanceFields = superClass.nInstanceFields + iFields.length; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2420 instanceDataOffset = superClass.instanceDataSize; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2421 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2422 } else { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2423 instanceDataSize = linkFields( iFields, 0, 0); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2424 nInstanceFields = iFields.length; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2425 instanceDataOffset = 0; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2426 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2427 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2428 //--- static fields |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2429 staticDataSize = linkFields( sFields, 0, 0); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2430 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2431 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2432 // this resolves all annotations in this class hierarchy, which sets inherited attributes |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2433 protected void checkInheritedAnnotations (){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2434 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2435 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2436 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2437 @Override |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2438 public String toString() { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2439 return "ClassInfo[name=" + name + "]"; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2440 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2441 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2442 protected MethodInfo getFinalizer0 () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2443 MethodInfo mi = getMethod("finalize()V", true); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2444 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2445 // we are only interested in non-empty method bodies, Object.finalize() |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2446 // is a dummy |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2447 if ((mi != null) && (!mi.getClassInfo().isObjectClassInfo())) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2448 return mi; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2449 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2450 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2451 return null; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2452 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2453 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2454 protected boolean isObjectClassInfo0 () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2455 if (name.equals("java.lang.Object")) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2456 return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2457 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2458 return false; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2459 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2460 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2461 protected boolean isStringClassInfo0 () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2462 if(name.equals("java.lang.String")) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2463 return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2464 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2465 return false; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2466 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2467 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2468 protected boolean isRefClassInfo0 () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2469 if(name.equals("java.lang.ref.Reference")) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2470 return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2471 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2472 return false; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2473 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2474 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2475 protected boolean isWeakReference0 () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2476 if(name.equals("java.lang.ref.WeakReference")) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2477 return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2478 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2479 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2480 for (ClassInfo ci = this; !ci.isObjectClassInfo(); ci = ci.superClass) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2481 if (ci.isWeakReference()) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2482 return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2483 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2484 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2485 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2486 return false; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2487 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2488 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2489 protected boolean isEnum0 () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2490 if(name.equals("java.lang.Enum")) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2491 return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2492 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2493 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2494 for (ClassInfo ci = this; !ci.isObjectClassInfo(); ci = ci.superClass) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2495 if (ci.isEnum()) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2496 return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2497 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2498 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2499 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2500 return false; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2501 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2502 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2503 protected boolean isThreadClassInfo0 () { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2504 if(name.equals("java.lang.Thread")) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2505 return true; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2506 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2507 return false; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2508 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2509 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2510 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2511 /** |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2512 * It creates an instance from a original ClassInfo instance. It doesn't copy sei & |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2513 * uniqueId. |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2514 * |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2515 * It is used for the cases where cl tries to load a class that the original version |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2516 * of which has been loaded by some other classloader. |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2517 */ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2518 public ClassInfo cloneFor (ClassLoaderInfo cl) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2519 ClassInfo ci; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2520 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2521 try { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2522 ci = (ClassInfo)clone(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2523 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2524 ci.classLoader = cl; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2525 ci.interfaces = new HashSet<ClassInfo>(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2526 ci.resolveClass(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2527 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2528 ci.id = -1; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2529 ci.uniqueId = -1; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2530 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2531 if (methods != Collections.EMPTY_MAP){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2532 ci.methods = (Map<String, MethodInfo>)((HashMap<String, MethodInfo>) methods).clone(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2533 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2534 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2535 for(Map.Entry<String, MethodInfo> e: ci.methods.entrySet()) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2536 MethodInfo mi = e.getValue(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2537 e.setValue(mi.getInstanceFor(ci)); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2538 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2539 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2540 ci.iFields = new FieldInfo[iFields.length]; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2541 for(int i=0; i<iFields.length; i++) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2542 ci.iFields[i] = iFields[i].getInstanceFor(ci); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2543 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2544 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2545 ci.sFields = new FieldInfo[sFields.length]; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2546 for(int i=0; i<sFields.length; i++) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2547 ci.sFields[i] = sFields[i].getInstanceFor(ci); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2548 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2549 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2550 if(nativePeer != null) { |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2551 ci.nativePeer = NativePeer.getNativePeer(ci); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2552 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2553 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2554 ci.setAssertionStatus(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2555 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2556 } catch (CloneNotSupportedException cnsx){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2557 cnsx.printStackTrace(); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2558 return null; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2559 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2560 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2561 VM.getVM().notifyClassLoaded(ci); |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2562 return ci; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2563 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2564 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2565 // <2do> should be abstract |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2566 public StackFrame createStackFrame (ThreadInfo ti, MethodInfo callee){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2567 return null; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2568 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2569 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2570 public DirectCallStackFrame createDirectCallStackFrame (ThreadInfo ti, MethodInfo callee, int nLocalSlots){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2571 return null; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2572 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2573 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2574 public DirectCallStackFrame createRunStartStackFrame (ThreadInfo ti, MethodInfo miRun){ |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2575 return null; |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2576 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2577 } |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2578 |
61d41facf527
initial v8 import (history reset)
Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
parents:
diff
changeset
|
2579 |