internal override IExp RemoveExpIfNull(ICaster caster)
{
IExp exp = _operand.RemoveExpIfNull(caster);
if (exp == null)
{
return(null);
}
else
{
return(new NotExp(exp));
}
}
internal override IExp RemoveExpIfNull(ICaster caster)
{
IExp lExp = _lOperand.RemoveExpIfNull(caster);
IExp rExp = _rOperand.RemoveExpIfNull(caster);
if (lExp == null && rExp == null)
{
return(null);
}
else if (lExp == null)
{
return(rExp);
}
else if (rExp == null)
{
return(lExp);
}
else
{
return(new XOrExp(lExp, rExp));
}
}