/// <summary>
/// Creates a new look-ahead set that is the intersection of
/// this set with another set. The token sequences in the net
/// set will only have the repeat flag set if it was set in
/// both the identical token sequences.
/// </summary>
/// <param name="set">The set to intersect with</param>
/// <returns>A new look-ahead set containing the intersection</returns>
public LookAheadSet CreateIntersection(LookAheadSet set)
{
LookAheadSet result = new LookAheadSet(this.maxLength);
Sequence seq2;
foreach (var seq in this.elements)
{
seq2 = set.FindSequence(seq);
if (seq2 != null && seq.IsRepetitive)
{
result.Add(seq2);
}
else if (seq2 != null)
{
result.Add(seq);
}
}
return(result);
}
/**
* Creates a new look-ahead set that is the intersection of
* this set with another set. The token sequences in the net
* set will only have the repeat flag set if it was set in
* both the identical token sequences.
*
* @param set the set to intersect with
*
* @return a new look-ahead set containing the intersection
*/
public LookAheadSet CreateIntersection(LookAheadSet set)
{
LookAheadSet result = new LookAheadSet(maxLength);
Sequence seq1;
Sequence seq2;
for (int i = 0; i < elements.Count; i++)
{
seq1 = (Sequence)elements[i];
seq2 = set.FindSequence(seq1);
if (seq2 != null && seq1.IsRepetitive())
{
result.Add(seq2);
}
else if (seq2 != null)
{
result.Add(seq1);
}
}
return(result);
}
/**
* Creates a new look-ahead set that is the intersection of
* this set with another set. The token sequences in the net
* set will only have the repeat flag set if it was set in
* both the identical token sequences.
*
* @param set the set to intersect with
*
* @return a new look-ahead set containing the intersection
*/
public LookAheadSet CreateIntersection(LookAheadSet set) {
LookAheadSet result = new LookAheadSet(maxLength);
Sequence seq1;
Sequence seq2;
for (int i = 0; i < elements.Count; i++) {
seq1 = (Sequence) elements[i];
seq2 = set.FindSequence(seq1);
if (seq2 != null && seq1.IsRepetitive()) {
result.Add(seq2);
} else if (seq2 != null) {
result.Add(seq1);
}
}
return result;
}
