private static IToken Acquire(IToken arg0, IToken arg1)
{
var key = Tuple.Create(arg0, arg1);
if (Cache.TryGetValue(key, out var cached))
{
return(cached);
}
IToken x;
if (arg1 == null)
{
x = new AddOperator(arg0);
}
else
{
var x0 = AlienMessageParser.Reduce(arg0);
var x1 = AlienMessageParser.Reduce(arg1);
x = ConstantOperator.Acquire(x0.AsValue() + x1.AsValue());
}
Cache[key] = x;
return(x);
}
public IToken Apply(IToken arg)
{
if (x0 == null)
{
return(Acquire(arg));
}
x0 = AlienMessageParser.Reduce(x0);
var x1 = AlienMessageParser.Reduce(arg);
return(ConstantOperator.Acquire(x0.AsValue() * x1.AsValue()));
}
public IToken Apply(IToken arg)
{
if (x0 == null)
{
return(Acquire(arg));
}
x0 = AlienMessageParser.Reduce(x0);
var x1 = AlienMessageParser.Reduce(arg);
return(ConstantOperator.Acquire(decimal.Round(x0.AsValue() / x1.AsValue(), MidpointRounding.ToZero)));
}
public static ConstantOperator Acquire(decimal value)
{
if (Cache.TryGetValue(value, out var cached))
{
return(cached);
}
var x = new ConstantOperator(value);
Cache[value] = x;
return(x);
}
public IToken Apply(IToken arg)
{
var x0 = AlienMessageParser.Reduce(arg);
return(ConstantOperator.Acquire(x0.AsValue() - 1));
}
public IToken Apply(IToken arg)
{
return(ConstantOperator.Acquire((decimal)Math.Pow(2, (double)arg.AsValue())));
}