@Override
protected TypedAST doTransform(TypedAST transform) {
List<List<SCCNode>> sccs =
TarjansSCCCheck(
new ImportGraphBuilder(
new ImportGraphBuilder.NodeFactory<SCCNode>() {
@Override
public SCCNode create(
String name, TypedAST ast, LinkedList<Node<SCCNode>> links) {
return new SCCNode(name, ast, links);
}
})
.getGraph("entry", transform));
if (sccs.size() > 0) {
StringBuilder allSCCs = new StringBuilder(sccs.size());
for (List<SCCNode> scc : sccs) {
StringBuilder sccBuilder = new StringBuilder(scc.size() * 2 + 1);
sccBuilder.append("\t");
Iterator<SCCNode> iterator = scc.iterator();
while (iterator.hasNext()) {
SCCNode component = iterator.next();
sccBuilder.append(component.getName());
sccBuilder.append(" -> ");
}
sccBuilder.append(scc.get(0).getName() + "\n");
allSCCs.append(sccBuilder.toString());
}
ToolError.reportError(ErrorMessage.IMPORT_CYCLE, allSCCs.toString(), transform);
}
return transform;
}
