core:

import edu.neu.ccs.demeter.*;
add: class __Subtraversal extends AroundContinuation {
  public constructor __Subtraversal() {{
    super();
  }}
{{  java.lang.reflect.Method method;
  Object object;
  Object args[];
  __Subtraversal(java.lang.reflect.Method m, Object o, Object a[])
    { method = m; object = o; args = a; }
  public void apply() {
    try {
      method.invoke(object, args);
    } catch (IllegalAccessException e) {
      throw new RuntimeException("Internal error: " + e);
    } catch (IllegalArgumentException e) {
      throw new RuntimeException("Internal error: " + e);
    } catch (java.lang.reflect.InvocationTargetException e) {
      Throwable t = e.getTargetException();
      java.io.StringWriter w = new java.io.StringWriter();
      t.printStackTrace(new java.io.PrintWriter(w));
      throw new RuntimeException("__Subtraversal got exception:"
                                 + "\n" + t + "\n" + w);
    }
  }
}}
}