private static BaseExpression GenerateRandomExpression(Random rnd, int lvl)
{
if (lvl <= 1)
{
var leafKind = rnd.Next(0, 1);
if (leafKind == 0)
{
return(new IntegerExpression(rnd.Next()));
}
else
{
return(new VarExpression("v" + rnd.Next(0, 10)));
}
}
var p = rnd.NextDouble();
if (p < 0.5)
{
var lhs = GenerateRandomExpression(rnd, rnd.Next(1, lvl - 1));
var rhs = GenerateRandomExpression(rnd, rnd.Next(1, lvl - 1));
BinopExpression.BinopType op = (BinopExpression.BinopType)rnd.Next(0, 5);
return(new BinopExpression(lhs, rhs, op));
}
else if (p < 0.75)
{
return(new IntegerExpression(rnd.Next()));
}
else
{
return(new VarExpression("v" + rnd.Next(0, 10)));
}
}
public OrphanOperator(BinopExpression.BinopType op)
{
this.op = op;
}
