public static int Compare(SubtermMatcher m1, SubtermMatcher m2)
{
if (m1 == m2)
{
return(0);
}
if (m1.IsMatchOnlyNewKinds != m2.IsMatchOnlyNewKinds)
{
return(!m1.IsMatchOnlyNewKinds ? -1 : 1);
}
if (m1.pattern.Length != m2.pattern.Length)
{
return(m1.pattern.Length < m2.pattern.Length ? -1 : 1);
}
int cmp;
for (int i = 0; i < m1.pattern.Length; ++i)
{
cmp = Term.Compare(m1.pattern[i], m2.pattern[i]);
if (cmp != 0)
{
return(cmp);
}
}
return(0);
}
public SubtermMatcher Clone(TermIndex index)
{
var srcIndex = pattern[0].Owner;
var clone = new SubtermMatcher();
clone.IsMatchOnlyNewKinds = IsMatchOnlyNewKinds;
clone.Trigger = Trigger == null ? null : index.MkClone(Trigger);
clone.IsSatisfiable = IsSatisfiable;
clone.IsTriggerable = IsTriggerable;
Map <Term, Set <int> > levelMatches, clonedLevelMatches;
clone.pattern = new Term[pattern.Length];
clone.matchingUnions = new AppFreeCanUnn[pattern.Length];
for (int i = 0; i < pattern.Length; ++i)
{
clone.pattern[i] = index.MkClone(pattern[i]);
if (matchingUnions[i] != null)
{
clone.matchingUnions[i] = new AppFreeCanUnn(index.MkClone(matchingUnions[i].MkTypeTerm(srcIndex)));
}
if (matcher.TryFindValue(i, out levelMatches))
{
clonedLevelMatches = new Map <Term, Set <int> >(Term.Compare);
foreach (var kv in levelMatches)
{
clonedLevelMatches.Add(index.MkClone(kv.Key), kv.Value);
}
clone.matcher.Add(i, clonedLevelMatches);
}
}
return(clone);
}