use of com.oracle.truffle.espresso.redefinition.RedefintionNotSupportedException in project graal by oracle.
the class JDWPContextImpl method doRedefine.
private void doRedefine(List<RedefineInfo> redefineInfos, List<ObjectKlass> changedKlasses) throws RedefintionNotSupportedException {
// list to hold removed inner classes that must be marked removed
List<ObjectKlass> removedInnerClasses = new ArrayList<>(0);
// list of classes that need to refresh due to
// changes in other classes for things like vtable
List<ObjectKlass> invalidatedClasses = new ArrayList<>();
// list of all classes that have been redefined within this transaction
List<ObjectKlass> redefinedClasses = new ArrayList<>();
// match anon inner classes with previous state
HotSwapClassInfo[] matchedInfos = innerClassRedefiner.matchAnonymousInnerClasses(redefineInfos, removedInnerClasses);
// detect all changes to all classes, throws if redefinition cannot be completed
// due to the nature of the changes
List<ChangePacket> changePackets = classRedefinition.detectClassChanges(matchedInfos);
// We have to redefine super classes prior to subclasses
Collections.sort(changePackets, new HierarchyComparator());
for (ChangePacket packet : changePackets) {
JDWP.LOGGER.fine(() -> "Redefining class " + packet.info.getNewName());
int result = classRedefinition.redefineClass(packet, invalidatedClasses, redefinedClasses);
if (result != 0) {
throw new RedefintionNotSupportedException(result);
}
}
// refresh invalidated classes if not already redefined
Collections.sort(invalidatedClasses, new SubClassHierarchyComparator());
for (ObjectKlass invalidatedClass : invalidatedClasses) {
if (!redefinedClasses.contains(invalidatedClass)) {
JDWP.LOGGER.fine(() -> "Updating invalidated class " + invalidatedClass.getName());
invalidatedClass.swapKlassVersion(ids);
}
}
// include invalidated classes in all changed classes list
changedKlasses.addAll(invalidatedClasses);
// update the JWDP IDs for renamed inner classes
for (ChangePacket changePacket : changePackets) {
ObjectKlass klass = changePacket.info.getKlass();
changedKlasses.add(klass);
if (changePacket.info.isRenamed()) {
if (klass != null) {
ids.updateId(klass);
}
}
}
// tell the InnerClassRedefiner to commit the changes to cache
innerClassRedefiner.commit(matchedInfos);
for (ObjectKlass removed : removedInnerClasses) {
removed.removeByRedefinition();
}
}
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