public void Visit(AdditionExpression3 ae)
{
sb.Append("(");
ae.Left.Accept(this);
sb.Append("+");
ae.Right.Accept(this);
sb.Append(")");
}
public void Visit(AdditionExpression3 ae)
{
ae.Left.Accept(this);
var a = Result;
ae.Right.Accept(this);
var b = Result;
Result = a + b;
}
public void Run()
{
var e = new AdditionExpression3(
new DoubleExpression3(4),
new AdditionExpression3(
new DoubleExpression3(5),
new DoubleExpression3(6)
)
);
//var sb = new StringBuilder();
var ep = new ExpressionPrinter3();
ep.Visit(e);
Console.WriteLine(ep);
var cal = new ExpressionCalculator();
cal.Visit(e);
Console.WriteLine($"{ep} = {cal.Result}");
}
