visitChild(node.child(i), parenthesize(op, node.child(i)));
}
}
/** @effects appends the tokenization of the given node to this.tokens */
public void visit(NaryIntExpression node) {
final IntOperator op = node.op();
visitChild(node.child(0), parenthesize(op, node.child(0)));
for(int i = 1, size = node.size(); i < size; i++) {
infix(op);
visitChild(node.child(i), parenthesize(op, node.child(i)));
}