public override IEnumerator <VHDLEnumValue <T> > GetEnumerator()
{
foreach (T i in EnumBaseType <T> .GetBaseValuesInRange(left.TypedValue, right.TypedValue, direction))
{
yield return(new VHDLEnumValue <T>(i));
}
}
System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
{
ReadOnlyCollection <T> enumValues = EnumBaseType <T> .GetBaseValues();
int leftIndex = enumValues.IndexOf(left);
int rightIndex = enumValues.IndexOf(right);
if (direction == RangeDirection.To)
{
int iterator = leftIndex;
do
{
yield return(enumValues[iterator]);
iterator++;
if (iterator >= enumValues.Count)
{
iterator = 0;
}
}while (iterator != rightIndex);
yield return(enumValues[rightIndex]);
}
else
{
int iterator = rightIndex;
do
{
yield return(enumValues[iterator]);
iterator--;
if (iterator < 0)
{
iterator = enumValues.Count - 1;
}
}while (iterator != leftIndex);
yield return(enumValues[leftIndex]);
}
}
public override VHDLEnumValue <T> RIGHTOF(VHDLEnumValue <T> X)
{
return(new VHDLEnumValue <T>(EnumBaseType <T> .SUCC(X.TypedValue)));
}
public override VHDLEnumValue <T> LEFTOF(VHDLEnumValue <T> X)
{
return(new VHDLEnumValue <T>(EnumBaseType <T> .PRED(X.TypedValue)));
}
public override VHDLIntegerValue POS(VHDLEnumValue <T> X)
{
return(new VHDLIntegerValue(EnumBaseType <T> .IndexOf(X.TypedValue)));
}
public EnumRange()
: base(new VHDLEnumValue <T>(EnumBaseType <T> .GetFirstValue()), new VHDLEnumValue <T>(EnumBaseType <T> .GetLastValue()), RangeDirection.To)
{
}
