88     }
  89 
  90     /**
  91      * Determines if one loop is a transitive parent of another loop.
  92      *
  93      * @param childLoop The loop for which parentLoop might be a transitive parent loop.
  94      * @param parentLoop The loop which might be a transitive parent loop of child loop.
  95      * @return {@code true} if parentLoop is a (transitive) parent loop of childLoop, {@code false}
  96      *         otherwise
  97      */
  98     public static <T extends AbstractBlockBase<T>> boolean transitiveParentLoop(Loop<T> childLoop, Loop<T> parentLoop) {
  99         Loop<T> curr = childLoop;
 100         while (curr != null) {
 101             if (curr == parentLoop) {
 102                 return true;
 103             }
 104             curr = curr.getParent();
 105         }
 106         return false;
 107     }





 108 }

  88     }
  89 
  90     /**
  91      * Determines if one loop is a transitive parent of another loop.
  92      *
  93      * @param childLoop The loop for which parentLoop might be a transitive parent loop.
  94      * @param parentLoop The loop which might be a transitive parent loop of child loop.
  95      * @return {@code true} if parentLoop is a (transitive) parent loop of childLoop, {@code false}
  96      *         otherwise
  97      */
  98     public static <T extends AbstractBlockBase<T>> boolean transitiveParentLoop(Loop<T> childLoop, Loop<T> parentLoop) {
  99         Loop<T> curr = childLoop;
 100         while (curr != null) {
 101             if (curr == parentLoop) {
 102                 return true;
 103             }
 104             curr = curr.getParent();
 105         }
 106         return false;
 107     }
 108 
 109     @Override
 110     public int hashCode() {
 111         return index + depth * 31;
 112     }
 113 }