import org.checkerframework.checker.tainting.qual.PolyTainted;
import org.checkerframework.checker.tainting.qual.Tainted;
import org.checkerframework.checker.tainting.qual.Untainted;
import org.checkerframework.framework.qual.HasQualifierParameter;

public class ObjectCreation {

  @HasQualifierParameter(Tainted.class)
  static class Buffer { // Which constructors and super calls are legal?
    @PolyTainted Buffer() {
      super(); // ok this creates an @Untainted object
    }

    @Untainted Buffer(int p) {
      super(); // ok, super is untainted and creating an untainted buffer
    }

    @Tainted Buffer(String s) {
      super(); // ok, super is not @HasQualifierParameter @Tainted Object >: the type of
      // super.
    }
  }

  @HasQualifierParameter(Tainted.class)
  static class MyBuffer extends Buffer {
    @PolyTainted MyBuffer() {
      super(); // ok, if super is @PolyTainted.
    }

    @Untainted MyBuffer(int p) {
      super(p);
    }

    @Tainted MyBuffer(String s) {
      super(s);
    }

    @PolyTainted MyBuffer(Object o) {
      // :: error: (super.invocation)
      super("");
    }

    @Untainted MyBuffer(Object o, int p) {
      super();
    }

    @Tainted MyBuffer(Object o, String s) {
      super();
    }
  }
}