private Object lookupRestKeywordArgumentHash(VirtualFrame frame) {
final Object hash = readUserKeywordsHashNode.execute(frame);
if (noHash.profile(hash == null)) {
return Layouts.HASH.createHash(
coreLibrary().getHashFactory(), null, 0, null, null, null, null, false);
}
CompilerDirectives.bailout("Ruby keyword arguments aren't optimized");
final DynamicObject hashObject = (DynamicObject) hash;
final List<Map.Entry<Object, Object>> entries = new ArrayList<>();
outer:
for (Map.Entry<Object, Object> keyValue : HashOperations.iterableKeyValues(hashObject)) {
if (!RubyGuards.isRubySymbol(keyValue.getKey())) {
continue;
}
for (String excludedKeyword : excludedKeywords) {
if (excludedKeyword.equals(keyValue.getKey().toString())) {
continue outer;
}
}
entries.add(keyValue);
}
return BucketsStrategy.create(
getContext(), entries, Layouts.HASH.getCompareByIdentity(hashObject));
}
