public Colon2Node new_colon2(ISourcePosition position, Node leftNode, String name) {
if (IdUtil.isConstant(name)) {
if (leftNode == null) return new Colon2ImplicitNode(position, name);
return new Colon2ConstNode(position, leftNode, name);
}
return new Colon2MethodNode(position, leftNode, name);
}