public Node visit(WhileStmt _n, Object _arg) {
Expression condition = cloneNodes(_n.getCondition(), _arg);
Statement body = cloneNodes(_n.getBody(), _arg);
Comment comment = cloneNodes(_n.getComment(), _arg);
WhileStmt r = new WhileStmt(
_n.getBeginLine(), _n.getBeginColumn(), _n.getEndLine(), _n.getEndColumn(),
condition, body
);
r.setComment(comment);
return r;
}