@Override
public Object isDefined(VirtualFrame frame) {
CompilerDirectives.transferToInterpreter();
final DynamicObject threadLocalVariablesObject =
threadLocalVariablesObjectNode.executeDynamicObject(frame);
if (readNode.getName().equals("$~")
|| readNode.getName().equals("$!")
|| readNode.execute(threadLocalVariablesObject) != nil()) {
return create7BitString(
StringOperations.encodeByteList("global-variable", UTF8Encoding.INSTANCE));
} else {
return nil();
}
}
@Override
public Object execute(VirtualFrame frame) {
final DynamicObject threadLocalVariablesObject =
threadLocalVariablesObjectNode.executeDynamicObject(frame);
return readNode.execute(threadLocalVariablesObject);
}