static void Main(string[] args)
{
var e = new MultiplicationExpression(
new Value(12),
new AdditionExpression(
new Value(3),
new MultiplicationExpression(
new Value(4),
new Value(9)
)
)
);
var ep = new ExpressionPrinter();
ep.Visit(e);
Console.WriteLine(ep.ToString());
}
public override void Visit(MultiplicationExpression me)
{
me.LHS.Accept(this);
sb.Append("*");
me.RHS.Accept(this);
}
public virtual void Visit(MultiplicationExpression me)
{
}