How to use

visitShape

method

in

com.oracle.truffle.object.Debug$1Visitor

private static String calcShapeGraphSize(ShapeImpl shape) {
  class Visitor implements DebugShapeVisitor<Integer> {
    final Set<Shape> visitedShapes = new HashSet<>();
    int invalidShapeCount;
    int branchCount = 1;
    int leafCount;
    @Override
    public Integer visitShape(ShapeImpl s, Map<? extends Transition, ? extends ShapeImpl> transitions) {
      if (!visitedShapes.add(s)) {
        return 0;
      }
      int shapeCount = 1;
      if (!s.isValid()) {
        invalidShapeCount++;
      }
      if (s.isLeaf()) {
        leafCount++;
      }
      branchCount += Math.max(0, transitions.size() - 1);
      for (Map.Entry<? extends Transition, ? extends ShapeImpl> entry : transitions.entrySet()) {
        shapeCount += this.visitShape(entry.getValue());
      }
      return shapeCount;
    }
  }
  Visitor v = new Visitor();
  int shapeCount = v.visitShape(shape);
  assert shapeCount == v.visitedShapes.size();
  return shapeCount + (v.invalidShapeCount != 0 ? (", " + INVALID + v.invalidShapeCount) : "") + ", " + BRANCH + v.branchCount + ", " + LEAF + v.leafCount;
}

private static String calcShapeGraphSize(ShapeImpl shape) {
  class Visitor implements DebugShapeVisitor<Integer> {
    final Set<Shape> visitedShapes = new HashSet<>();
    int invalidShapeCount;
    int branchCount = 1;
    int leafCount;
    @Override
    public Integer visitShape(ShapeImpl s, Map<? extends Transition, ? extends ShapeImpl> transitions) {
      if (!visitedShapes.add(s)) {
        return 0;
      }
      int shapeCount = 1;
      if (!s.isValid()) {
        invalidShapeCount++;
      }
      if (s.isLeaf()) {
        leafCount++;
      }
      branchCount += Math.max(0, transitions.size() - 1);
      for (Map.Entry<? extends Transition, ? extends ShapeImpl> entry : transitions.entrySet()) {
        shapeCount += this.visitShape(entry.getValue());
      }
      return shapeCount;
    }
  }
  Visitor v = new Visitor();
  int shapeCount = v.visitShape(shape);
  assert shapeCount == v.visitedShapes.size();
  return shapeCount + (v.invalidShapeCount != 0 ? (", " + INVALID + v.invalidShapeCount) : "") + ", " + BRANCH + v.branchCount + ", " + LEAF + v.leafCount;
}