public List<TreeContext> pathUpTo(Class<ASTNode> node, ASTNodePredicate predicate) {
List<TreeContext> path = new LinkedList<TreeContext>();
TreeContext current = lastContext;
boolean found = false;
while (current != null && !found) {
path.add(current);
ASTNode currentNode = current.node;
if (node == null) {
if (predicate.matches(currentNode)) {
found = true;
}
} else {
if (predicate == null) {
if (currentNode == null || node == currentNode.getClass()) {
found = true;
}
} else {
found =
currentNode != null
&& node == currentNode.getClass()
&& predicate.matches(currentNode);
}
}
current = current.parent;
}
if (found) {
return path;
}
return Collections.emptyList();
}
public List<TreeContext> pathMatches(List<ASTNodePredicate> predicates) {
List<TreeContext> path = new LinkedList<TreeContext>();
TreeContext current = lastContext.parent;
for (ASTNodePredicate predicate : predicates) {
path.add(current);
if (current == null || !predicate.matches(current.node)) {
return Collections.emptyList();
}
current = current.parent;
}
if (!path.isEmpty()) {
path.add(0, lastContext);
}
return path;
}
