private static void flattenBag(
List<org.kframework.kil.Term> flatBag, List<org.kframework.kil.Term> nestedBag) {
for (org.kframework.kil.Term term : nestedBag) {
if (term instanceof org.kframework.kil.Bag) {
org.kframework.kil.Bag bag = (org.kframework.kil.Bag) term;
KILtoBackendJavaKILTransformer.flattenBag(flatBag, bag.getContents());
} else {
flatBag.add(term);
}
}
}
@Override
public ASTNode transform(org.kframework.kil.Cell node) throws TransformerException {
if (node.getContents() instanceof org.kframework.kil.Bag
|| node.getContents() instanceof org.kframework.kil.Cell) {
List<org.kframework.kil.Term> contents;
if (node.getContents() instanceof org.kframework.kil.Bag) {
contents = new ArrayList<org.kframework.kil.Term>();
KILtoBackendJavaKILTransformer.flattenBag(
contents, ((org.kframework.kil.Bag) node.getContents()).getContents());
} else {
contents = Collections.singletonList(node.getContents());
}
Multimap<String, Cell> cells = HashMultimap.create();
Variable variable = null;
for (org.kframework.kil.Term term : contents) {
if (term instanceof org.kframework.kil.Cell) {
Cell cell = (Cell) term.accept(this);
cells.put(cell.getLabel(), cell);
} else if (variable == null
&& term instanceof org.kframework.kil.Variable
&& term.getSort().equals("Bag")) {
variable = (Variable) term.accept(this);
} else {
throw new RuntimeException();
}
}
// TODO(AndreiS): get the multiplicity
boolean isStar = !cells.isEmpty() && cells.keySet().iterator().next().equals("thread");
return new Cell<CellCollection>(node.getLabel(), new CellCollection(cells, variable, isStar));
} else {
Term content = (Term) node.getContents().accept(this);
if (content instanceof KItem) {
return new Cell<KItem>(node.getLabel(), (KItem) content);
} else if (content instanceof Token) {
return new Cell<Token>(node.getLabel(), (Token) content);
} else if (content instanceof KSequence) {
return new Cell<KSequence>(node.getLabel(), (KSequence) content);
} else if (content instanceof KList) {
return new Cell<KList>(node.getLabel(), (KList) content);
} else if (content instanceof BuiltinList) {
return new Cell<BuiltinList>(node.getLabel(), (BuiltinList) content);
// } else if (content instanceof ListUpdate) {
// return new Cell<ListUpdate>(node.getLabel(), (ListUpdate) content);
} else if (content instanceof BuiltinSet) {
return new Cell<BuiltinSet>(node.getLabel(), (BuiltinSet) content);
} else if (content instanceof SetUpdate) {
return new Cell<SetUpdate>(node.getLabel(), (SetUpdate) content);
} else if (content instanceof BuiltinMap) {
return new Cell<BuiltinMap>(node.getLabel(), (BuiltinMap) content);
} else if (content instanceof MapUpdate) {
return new Cell<MapUpdate>(node.getLabel(), (MapUpdate) content);
} else if (content instanceof Variable) {
return new Cell<Term>(node.getLabel(), content);
} else {
throw new RuntimeException();
}
}
}