public IJsmExpression Evaluate(IServices services)
{
IJsmExpression result = _value.Evaluate(services);
if (result is IConstExpression number)
{
return(ValueExpression.Create(number.Value == 0 ? 1 : 0));
}
return(result);
}
public IJsmExpression Evaluate(IServices services)
{
IJsmExpression first = _first.Evaluate(services);
IJsmExpression last = _last.Evaluate(services);
if (first is IConstExpression n1 && last is IConstExpression n2)
{
return(ValueExpression.Create((Int32)(n1.Value ^ n2.Value)));
}
return(new BitXor(first, last));
}
public IJsmExpression Evaluate(IServices services)
{
IJsmExpression first = _first.Evaluate(services);
IJsmExpression last = _last.Evaluate(services);
if (first is IConstExpression n1 && last is IConstExpression n2)
{
return(ValueExpression.Create(n1.Value != n2.Value ? 1 : 0));
}
return(new NotEquals(first, last));
}
public IJsmExpression Evaluate(IServices services)
{
var first = _first.Evaluate(services);
var last = _last.Evaluate(services);
if (first is IConstExpression n1 && last is IConstExpression n2)
{
return(ValueExpression.Create((int)(n1.Value * n2.Value)));
}
return(new Mul(first, last));
}
public IJsmExpression Evaluate(IServices services)
{
var first = _first.Evaluate(services);
var last = _last.Evaluate(services);
if (first is IConstExpression n1 && last is IConstExpression n2)
{
return(ValueExpression.Create(n1.Value <= n2.Value ? 1 : 0));
}
return(new LessOrEquals(first, last));
}
public static IJsmExpression TryMake(Jsm.Opcode opcode, Int32 param, IStack <IJsmExpression> stack)
{
IJsmExpression result = TryMakeInternal(opcode, param, stack);
return(result?.Evaluate(StatelessServices.Instance)); // Simplify the expression
}
