String expr = tag.getValue("expr");
if (expr == null) {
expr = tag.getValue("do");
}
if (expr != null) {
ExpressionParser p = new ExpressionParser(parser, getLocation(), expr);
Object[] list = p.parseForExpressionList();
_init = (Expression[]) list[0];
_condition = (Expression) list[1];
_action = (Expression[]) list[2];
}
_label = parseLabel(parser, tag);