private Object lookupRestKeywordArgumentHash(VirtualFrame frame) {
CompilerDirectives.transferToInterpreter();
final DynamicObject hash = RubyArguments.getUserKeywordsHash(frame.getArguments(), minimum);
if (hash == null) {
return Layouts.HASH.createHash(
getContext().getCoreLibrary().getHashFactory(), null, null, null, 0, null, null, false);
}
final List<Map.Entry<Object, Object>> entries = new ArrayList<>();
outer:
for (Map.Entry<Object, Object> keyValue : HashOperations.iterableKeyValues(hash)) {
for (String excludedKeyword : excludedKeywords) {
if (excludedKeyword.equals(keyValue.getKey().toString())) {
continue outer;
}
}
entries.add(keyValue);
}
return BucketsStrategy.create(getContext(), entries, Layouts.HASH.getCompareByIdentity(hash));
}
@CompilerDirectives.TruffleBoundary
private Object lookupKeywordInHash(RubyHash hash) {
for (KeyValue keyValue : HashOperations.verySlowToKeyValues(hash)) {
if (keyValue.getKey().toString().equals(name)) {
return keyValue.getValue();
}
}
return null;
}