jdk8-mips64-public/hotspot: src/share/vm/oops/annotations.hpp@4735d2c84362 (annotated)

src/share/vm/oops/annotations.hpp@4735d2c84362 (annotated)

src/share/vm/oops/annotations.hpp

Thu, 11 Oct 2012 12:25:42 -0400

author: kamg
date: Thu, 11 Oct 2012 12:25:42 -0400
changeset 4245: 4735d2c84362
parent 4037: da91efe96a93
child 4393: 35431a769282
permissions: -rw-r--r--

7200776: Implement default methods in interfaces
Summary: Add generic type analysis and default method selection algorithms
Reviewed-by: coleenp, acorn

 /*
  * 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

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/oops/annotations.hpp@4735d2c84362 (annotated)

src/share/vm/oops/annotations.hpp