public void visitAnyParameterAnnotationsAttribute(
      Clazz clazz, Method method, ParameterAnnotationsAttribute parameterAnnotationsAttribute) {
    int[] annotationsCounts = parameterAnnotationsAttribute.u2parameterAnnotationsCount;
    Annotation[][] annotations = parameterAnnotationsAttribute.parameterAnnotations;

    // All parameters of non-static methods are shifted by one in the local
    // variable frame.
    int parameterIndex =
        (method.getAccessFlags() & ClassConstants.INTERNAL_ACC_STATIC) != 0 ? 0 : 1;

    int annotationIndex = 0;
    int newAnnotationIndex = 0;

    // Go over the parameters.
    String descriptor = method.getDescriptor(clazz);
    InternalTypeEnumeration internalTypeEnumeration = new InternalTypeEnumeration(descriptor);

    while (internalTypeEnumeration.hasMoreTypes()) {
      String type = internalTypeEnumeration.nextType();
      if (ParameterUsageMarker.isParameterUsed(method, parameterIndex)) {
        annotationsCounts[newAnnotationIndex] = annotationsCounts[annotationIndex];
        annotations[newAnnotationIndex++] = annotations[annotationIndex];
      }

      annotationIndex++;

      parameterIndex += ClassUtil.isInternalCategory2Type(type) ? 2 : 1;
    }

    // Update the number of parameters.
    parameterAnnotationsAttribute.u2parametersCount = newAnnotationIndex;

    // Clear the unused entries.
    while (newAnnotationIndex < annotationIndex) {
      annotationsCounts[newAnnotationIndex] = 0;
      annotations[newAnnotationIndex++] = null;
    }
  }
Ejemplo n.º 2
0
 public void visitAnyParameterAnnotationsAttribute(
     Clazz clazz, Method method, ParameterAnnotationsAttribute parameterAnnotationsAttribute) {
   // Visit the annotations.
   parameterAnnotationsAttribute.annotationsAccept(clazz, method, annotationVisitor);
 }