package swa.prakt3;



public class PrintVisitor implements Visitor {	
	@Override
	public Number visit(ArithmeticOperation ao, Iterator it) {
		System.out.print("(");
		it.traverse(ao.getLeftOperand(), this);
		System.out.print(ao.getOperationSign());
		it.traverse(ao.getRightOperand(), this);
		System.out.print(")");
		return null;
	}

	@Override
	public Number visit(ArithmeticVariable av) {
		System.out.print(av.getName());
		return null;
	}
}