public override bool Equals(OrderedLiteralBase other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
switch (other)
{
case CharLiteral charLiteral:
return(Equals(charLiteral));
case FloatLiteral floatLiteral:
return(Equals(IntegerLiteral.From((long)floatLiteral.Value)));
case IntegerLiteral integerLiteral:
return(Equals(new CharLiteral(integerLiteral)));
default:
throw new ArgumentOutOfRangeException(nameof(other));
}
}
public override int CompareTo(OrderedLiteralBase other)
{
if (ReferenceEquals(this, other))
{
return(0);
}
if (ReferenceEquals(null, other))
{
return(1);
}
switch (other)
{
case CharLiteral charLiteral:
return(CompareTo(new FloatLiteral(IntegerLiteral.From(charLiteral.Value))));
case FloatLiteral floatLiteral:
return(CompareTo(floatLiteral));
case IntegerLiteral integerLiteral:
return(CompareTo(new FloatLiteral(integerLiteral)));
default:
throw new ArgumentOutOfRangeException(nameof(other));
}
}
public CharLiteral([NotNull] OrderedLiteralBase other)
{
if (other == null)
{
throw new ArgumentNullException(nameof(other));
}
switch (other)
{
case CharLiteral charLiteral:
Value = charLiteral.Value;
break;
case FloatLiteral floatLiteral:
Value = (char)floatLiteral.Value;
break;
case IntegerLiteral integerLiteral:
Value = checked ((char)((long)integerLiteral.AbsoluteValue * integerLiteral.Sign));
if (integerLiteral.Sign == 0 && integerLiteral.AbsoluteValue != 0)
{
throw new ArgumentException(nameof(integerLiteral));
}
break;
default:
throw new ArgumentOutOfRangeException(nameof(other));
}
}
public IntegerLiteral([NotNull] OrderedLiteralBase other)
{
if (other == null)
{
throw new ArgumentNullException(nameof(other));
}
switch (other)
{
case CharLiteral charLiteral:
AbsoluteValue = (ulong)Math.Abs(charLiteral.Value);
Sign = Math.Sign(charLiteral.Value);
break;
case FloatLiteral floatLiteral:
AbsoluteValue = (ulong)Math.Abs(floatLiteral.Value);
Sign = Math.Sign(floatLiteral.Value);
break;
case IntegerLiteral integerLiteral:
AbsoluteValue = integerLiteral.AbsoluteValue;
Sign = integerLiteral.Sign;
if (integerLiteral.Sign == 0 && integerLiteral.AbsoluteValue != 0)
{
throw new ArgumentException(nameof(integerLiteral));
}
break;
default:
throw new ArgumentOutOfRangeException(nameof(other));
}
}
