@Specialization(guards = {"isBucketHash(hash)", "!isRubyString(key)"})
public Object setBuckets(
VirtualFrame frame, DynamicObject hash, Object key, Object value, boolean byIdentity) {
assert HashNodes.verifyStore(hash);
if (lookupEntryNode == null) {
CompilerDirectives.transferToInterpreterAndInvalidate();
lookupEntryNode = insert(new LookupEntryNode(getContext(), getEncapsulatingSourceSection()));
}
final HashLookupResult result = lookupEntryNode.lookup(frame, hash, key);
final Entry entry = result.getEntry();
if (foundProfile.profile(entry == null)) {
final Entry[] entries = (Entry[]) Layouts.HASH.getStore(hash);
final Entry newEntry = new Entry(result.getHashed(), key, value);
if (bucketCollisionProfile.profile(result.getPreviousEntry() == null)) {
entries[result.getIndex()] = newEntry;
} else {
result.getPreviousEntry().setNextInLookup(newEntry);
}
final Entry lastInSequence = Layouts.HASH.getLastInSequence(hash);
if (appendingProfile.profile(lastInSequence == null)) {
Layouts.HASH.setFirstInSequence(hash, newEntry);
} else {
lastInSequence.setNextInSequence(newEntry);
newEntry.setPreviousInSequence(lastInSequence);
}
Layouts.HASH.setLastInSequence(hash, newEntry);
final int newSize = Layouts.HASH.getSize(hash) + 1;
Layouts.HASH.setSize(hash, newSize);
// TODO CS 11-May-15 could store the next size for resize instead of doing a float operation
// each time
if (resizeProfile.profile(newSize / (double) entries.length > BucketsStrategy.LOAD_FACTOR)) {
BucketsStrategy.resize(hash);
}
} else {
entry.setKeyValue(result.getHashed(), key, value);
}
assert HashNodes.verifyStore(hash);
return value;
}
