private QilNode MatchPatterns(QilIterator it, XmlQueryType xt, PatternBag patternBag, QilNode otherwise)
{
if (patternBag.FixedNamePatternsNames.Count == 0)
{
return(MatchPatterns(it, xt, patternBag.NonFixedNamePatterns, otherwise));
}
QilNode matcher = _f.Int32(NoMatch);
foreach (QilName qname in patternBag.FixedNamePatternsNames)
{
matcher = _f.Conditional(_f.Eq(_f.NameOf(it), qname.ShallowClone(_f.BaseFactory)),
MatchPatterns(it, patternBag.FixedNamePatterns[qname]),
matcher
);
}
matcher = MatchPatternsWhosePriorityGreater(it, patternBag.NonFixedNamePatterns, matcher);
return(_f.Conditional(_f.IsType(it, xt), matcher, otherwise));
}