--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/oops/annotations.hpp	Sat Sep 01 13:25:18 2012 -0400
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_OOPS_ANNOTATIONS_HPP
+#define SHARE_VM_OOPS_ANNOTATIONS_HPP
+
+#include "oops/metadata.hpp"
+#include "runtime/handles.hpp"
+#include "utilities/array.hpp"
+#include "utilities/exceptions.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+
+class ClassLoaderData;
+class outputStream;
+
+typedef Array<u1> AnnotationArray;
+
+// Class to hold the various types of annotations. The only metadata that points
+// to this is InstanceKlass.
+
+class Annotations: public MetaspaceObj {
+
+  // Annotations for this class, or null if none.
+  AnnotationArray*             _class_annotations;
+  // Annotation objects (byte arrays) for fields, or null if no annotations.
+  // Indices correspond to entries (not indices) in fields array.
+  Array<AnnotationArray*>*     _fields_annotations;
+  // Annotation objects (byte arrays) for methods, or null if no annotations.
+  // Index is the idnum, which is initially the same as the methods array index.
+  Array<AnnotationArray*>*     _methods_annotations;
+  // Annotation objects (byte arrays) for methods' parameters, or null if no
+  // such annotations.
+  // Index is the idnum, which is initially the same as the methods array index.
+  Array<AnnotationArray*>*     _methods_parameter_annotations;
+  // Annotation objects (byte arrays) for methods' default values, or null if no
+  // such annotations.
+  // Index is the idnum, which is initially the same as the methods array index.
+  Array<AnnotationArray*>*     _methods_default_annotations;
+
+  // Constructor where some some values are known to not be null
+  Annotations(Array<AnnotationArray*>* fa, Array<AnnotationArray*>* ma,
+              Array<AnnotationArray*>* mpa, Array<AnnotationArray*>* mda) :
+                 _class_annotations(NULL),
+                 _fields_annotations(fa),
+                 _methods_annotations(ma),
+                 _methods_parameter_annotations(mpa),
+                 _methods_default_annotations(mda) {}
+
+ public:
+  // Allocate instance of this class
+  static Annotations* allocate(ClassLoaderData* loader_data, TRAPS);
+  static Annotations* allocate(ClassLoaderData* loader_data,
+                               Array<AnnotationArray*>* fa,
+                               Array<AnnotationArray*>* ma,
+                               Array<AnnotationArray*>* mpa,
+                               Array<AnnotationArray*>* mda, TRAPS);
+  void deallocate_contents(ClassLoaderData* loader_data);
+  DEBUG_ONLY(bool on_stack() { return false; })  // for template
+  static int size()    { return sizeof(Annotations) / wordSize; }
+
+  // Constructor to initialize to null
+  Annotations() : _class_annotations(NULL), _fields_annotations(NULL),
+                  _methods_annotations(NULL),
+                  _methods_parameter_annotations(NULL),
+                  _methods_default_annotations(NULL) {}
+
+  AnnotationArray* class_annotations() const                       { return _class_annotations; }
+  Array<AnnotationArray*>* fields_annotations() const              { return _fields_annotations; }
+  Array<AnnotationArray*>* methods_annotations() const             { return _methods_annotations; }
+  Array<AnnotationArray*>* methods_parameter_annotations() const   { return _methods_parameter_annotations; }
+  Array<AnnotationArray*>* methods_default_annotations() const     { return _methods_default_annotations; }
+
+  void set_class_annotations(AnnotationArray* md)                     { _class_annotations = md; }
+  void set_fields_annotations(Array<AnnotationArray*>* md)            { _fields_annotations = md; }
+  void set_methods_annotations(Array<AnnotationArray*>* md)           { _methods_annotations = md; }
+  void set_methods_parameter_annotations(Array<AnnotationArray*>* md) { _methods_parameter_annotations = md; }
+  void set_methods_default_annotations(Array<AnnotationArray*>* md)   { _methods_default_annotations = md; }
+
+  // Redefine classes support
+  AnnotationArray* get_method_annotations_of(int idnum)
+                                                { return get_method_annotations_from(idnum, _methods_annotations); }
+
+  AnnotationArray* get_method_parameter_annotations_of(int idnum)
+                                                { return get_method_annotations_from(idnum, _methods_parameter_annotations); }
+  AnnotationArray* get_method_default_annotations_of(int idnum)
+                                                { return get_method_annotations_from(idnum, _methods_default_annotations); }
+
+
+  void set_method_annotations_of(instanceKlassHandle ik,
+                                 int idnum, AnnotationArray* anno, TRAPS) {
+    set_methods_annotations_of(ik, idnum, anno, &_methods_annotations, THREAD);
+  }
+
+  void set_method_parameter_annotations_of(instanceKlassHandle ik,
+                                 int idnum, AnnotationArray* anno, TRAPS) {
+    set_methods_annotations_of(ik, idnum, anno, &_methods_parameter_annotations, THREAD);
+  }
+
+  void set_method_default_annotations_of(instanceKlassHandle ik,
+                                 int idnum, AnnotationArray* anno, TRAPS) {
+    set_methods_annotations_of(ik, idnum, anno, &_methods_default_annotations, THREAD);
+  }
+
+  // Turn metadata annotations into a Java heap object (oop)
+  static typeArrayOop make_java_array(AnnotationArray* annotations, TRAPS);
+
+  inline AnnotationArray* get_method_annotations_from(int idnum, Array<AnnotationArray*>* annos);
+  void set_annotations(Array<AnnotationArray*>* md, Array<AnnotationArray*>** md_p)  { *md_p = md; }
+
+ private:
+  void set_methods_annotations_of(instanceKlassHandle ik,
+                                  int idnum, AnnotationArray* anno,
+                                  Array<AnnotationArray*>** md_p, TRAPS);
+
+ public:
+  const char* internal_name() const { return "{constant pool}"; }
+#ifndef PRODUCT
+  void print_on(outputStream* st) const;
+#endif
+  void print_value_on(outputStream* st) const;
+};
+
+
+// For method with idnum get the method's Annotations
+inline AnnotationArray* Annotations::get_method_annotations_from(int idnum, Array<AnnotationArray*>* annos) {
+  if (annos == NULL || annos->length() <= idnum) {
+    return NULL;
+  }
+  return annos->at(idnum);
+}
+#endif // SHARE_VM_OOPS_ANNOTATIONS_HPP