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/*
* Copyright (c) 2012, 2020, 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_OOPS_ANNOTATIONS_HPP
#define SHARE_OOPS_ANNOTATIONS_HPP
#include "oops/array.hpp"
#include "oops/metadata.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, or another Annotations instance if this is a
// a type_annotation instance.
class Annotations: public MetaspaceObj {
friend class JVMCIVMStructs;
// If you add a new field that points to any metaspace object, you
// must add this field to Annotations::metaspace_pointers_do().
// 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;
// Type annotations for this class, or null if none.
AnnotationArray* _class_type_annotations;
Array<AnnotationArray*>* _fields_type_annotations;
public:
// Allocate instance of this class
static Annotations* allocate(ClassLoaderData* loader_data, TRAPS);
static void free_contents(ClassLoaderData* loader_data, Array<AnnotationArray*>* p);
void deallocate_contents(ClassLoaderData* loader_data);
DEBUG_ONLY(bool on_stack() { return false; }) // for template
// Sizing (in words)
static int size() { return sizeof(Annotations) / wordSize; }
// Annotations should be stored in the read-only region of CDS archive.
static bool is_read_only_by_default() { return true; }
// Constructor to initialize to null
Annotations() : _class_annotations(NULL),
_fields_annotations(NULL),
_class_type_annotations(NULL),
_fields_type_annotations(NULL) {}
AnnotationArray* class_annotations() const { return _class_annotations; }
Array<AnnotationArray*>* fields_annotations() const { return _fields_annotations; }
AnnotationArray* class_type_annotations() const { return _class_type_annotations; }
Array<AnnotationArray*>* fields_type_annotations() const { return _fields_type_annotations; }
void set_class_annotations(AnnotationArray* md) { _class_annotations = md; }
void set_fields_annotations(Array<AnnotationArray*>* md) { _fields_annotations = md; }
void set_class_type_annotations(AnnotationArray* cta) { _class_type_annotations = cta; }
void set_fields_type_annotations(Array<AnnotationArray*>* fta) { _fields_type_annotations = fta; }
// Turn metadata annotations into a Java heap object (oop)
static typeArrayOop make_java_array(AnnotationArray* annotations, TRAPS);
bool is_klass() const { return false; }
void metaspace_pointers_do(MetaspaceClosure* it);
MetaspaceObj::Type type() const { return AnnotationsType; }
private:
static julong count_bytes(Array<AnnotationArray*>* p);
public:
const char* internal_name() const { return "{annotations}"; }
#ifndef PRODUCT
void print_on(outputStream* st) const;
#endif
void print_value_on(outputStream* st) const;
};
#endif // SHARE_OOPS_ANNOTATIONS_HPP
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