Esempio n. 1
0
        public void SimpleAddition()
        {
            var simple = new AdditionExpression(new Value(2), new Value(3));
            var ep     = new ExpressionPrinter();

            ep.Visit(simple);
            Assert.That(ep.ToString(), Is.EqualTo("(2+3)"));
        }
Esempio n. 2
0
        public static void Main(string[] args)
        {
            var e = new AdditionExpression(
                new DoubleExpression(1),
                new AdditionExpression(
                    new DoubleExpression(2),
                    new DoubleExpression(3)));

            var ep = new ExpressionPrinter();

            ep.Visit(e);
            Console.WriteLine(ep);

            var calc = new ExpressionCalculator();

            calc.Visit(e);
            Console.WriteLine($"{ep} = {calc.Result}");

            Console.WriteLine("Taxi Visitor!");


            CustomerStructure o = new CustomerStructure();

            o.Attach(new TaxiCustomer("Andrzej"));
            o.Attach(new TaxiCustomer("Seba"));
            o.Attach(new TaxiCustomer("Pudzian"));
            o.Attach(new RichCustomer("Musk"));
            o.Attach(new PoorCustomer("Żul"));

            Taxi t1 = new Taxi1();
            Taxi t2 = new Taxi2();

            o.Accept(t1);

            Console.WriteLine();

            o.Accept(t2);


            Console.WriteLine("Acyclic visitor");


            var expression = new AcyclicVisitor.AdditionExpression(
                new AcyclicVisitor.DoubleExpression(1),
                new AcyclicVisitor.AdditionExpression(
                    new AcyclicVisitor.DoubleExpression(2),
                    new AcyclicVisitor.DoubleExpression(3)));

            var acyclic_ep = new AcyclicVisitor.ExpressionPrinter();

            acyclic_ep.Visit(expression);
            Console.WriteLine(acyclic_ep.ToString());


            Console.WriteLine();

            Console.WriteLine("Code exercise");

            var simple      = new Coding.Exercise.AdditionExpression(new Coding.Exercise.Value(2), new Coding.Exercise.Value(3));
            var exercise_ep = new Coding.Exercise.ExpressionPrinter();

            exercise_ep.Visit(simple);

            Console.WriteLine(exercise_ep.ToString());


            Console.ReadLine();
        }