OP_DUP_QUESTION
token->type = OP_DUP_QUESTION;
token->type = OP_DUP_QUESTION;
case OP_DUP_QUESTION:
|| token->type == OP_DUP_QUESTION || token->type == OP_OPEN_DUP_NUM)
end = (token->type == OP_DUP_QUESTION) ? 1 : -1;