public static List<SNode> nodes(SModel model, final SAbstractConcept concept) {
if (model == null) {
return new ArrayList<SNode>();
}
if (concept != null) {
return jetbrains.mps.smodel.SModelOperations.getNodes(model, concept);
}
List<SNode> result = new ArrayList<SNode>();
for (SNode node : SNodeUtil.getDescendants(model)) {
result.add(node);
}
return result;
}
private static List<SNode> allNodesIncludingImported(
SModel sModel, boolean roots, @Nullable SAbstractConcept concept) {
List<SModel> modelsList = new ArrayList<SModel>();
modelsList.add(sModel);
List<SModel> modelDescriptors = jetbrains.mps.smodel.SModelOperations.allImportedModels(sModel);
for (SModel descriptor : modelDescriptors) {
modelsList.add(descriptor);
}
List<SNode> resultNodes = new ArrayList<SNode>();
final Condition<SNode> instanceCondition =
(concept == null ? null : new InstanceOfCondition(concept));
for (SModel aModel : modelsList) {
if (concept == null || roots) {
ConditionalIterable<SNode> nodes =
new ConditionalIterable<SNode>(
(roots ? aModel.getRootNodes() : SNodeUtil.getDescendants(aModel)),
instanceCondition);
resultNodes.addAll(IterableUtil.asList(nodes));
} else {
resultNodes.addAll(jetbrains.mps.smodel.SModelOperations.getNodes(aModel, concept));
}
}
return resultNodes;
}