| /* |
| * Copyright (c) 2012, 2017, 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/array.hpp" |
| #include "oops/metadata.hpp" |
| #include "runtime/handles.hpp" |
| #include "utilities/exceptions.hpp" |
| #include "utilities/globalDefinitions.hpp" |
| |
| |
| class ClassLoaderData; |
| class outputStream; |
| class KlassSizeStats; |
| |
| 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 { |
| // 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; } |
| |
| #if INCLUDE_SERVICES |
| void collect_statistics(KlassSizeStats *sz) const; |
| #endif |
| |
| // 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 "{constant pool}"; } |
| #ifndef PRODUCT |
| void print_on(outputStream* st) const; |
| #endif |
| void print_value_on(outputStream* st) const; |
| }; |
| #endif // SHARE_VM_OOPS_ANNOTATIONS_HPP |