src/share/vm/oops/annotations.hpp

Tue, 08 Aug 2017 15:57:29 +0800

author
aoqi
date
Tue, 08 Aug 2017 15:57:29 +0800
changeset 6876
710a3c8b516e
parent 4572
927a311d00f9
parent 0
f90c822e73f8
permissions
-rw-r--r--

merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 *
aoqi@0 23 */
aoqi@0 24
aoqi@0 25 #ifndef SHARE_VM_OOPS_ANNOTATIONS_HPP
aoqi@0 26 #define SHARE_VM_OOPS_ANNOTATIONS_HPP
aoqi@0 27
aoqi@0 28 #include "oops/metadata.hpp"
aoqi@0 29 #include "runtime/handles.hpp"
aoqi@0 30 #include "utilities/array.hpp"
aoqi@0 31 #include "utilities/exceptions.hpp"
aoqi@0 32 #include "utilities/globalDefinitions.hpp"
aoqi@0 33
aoqi@0 34
aoqi@0 35 class ClassLoaderData;
aoqi@0 36 class outputStream;
aoqi@0 37 class KlassSizeStats;
aoqi@0 38
aoqi@0 39 typedef Array<u1> AnnotationArray;
aoqi@0 40
aoqi@0 41 // Class to hold the various types of annotations. The only metadata that points
aoqi@0 42 // to this is InstanceKlass, or another Annotations instance if this is a
aoqi@0 43 // a type_annotation instance.
aoqi@0 44
aoqi@0 45 class Annotations: public MetaspaceObj {
aoqi@0 46
aoqi@0 47 // Annotations for this class, or null if none.
aoqi@0 48 AnnotationArray* _class_annotations;
aoqi@0 49 // Annotation objects (byte arrays) for fields, or null if no annotations.
aoqi@0 50 // Indices correspond to entries (not indices) in fields array.
aoqi@0 51 Array<AnnotationArray*>* _fields_annotations;
aoqi@0 52 // Type annotations for this class, or null if none.
aoqi@0 53 AnnotationArray* _class_type_annotations;
aoqi@0 54 Array<AnnotationArray*>* _fields_type_annotations;
aoqi@0 55
aoqi@0 56 public:
aoqi@0 57 // Allocate instance of this class
aoqi@0 58 static Annotations* allocate(ClassLoaderData* loader_data, TRAPS);
aoqi@0 59
aoqi@0 60 static void free_contents(ClassLoaderData* loader_data, Array<AnnotationArray*>* p);
aoqi@0 61 void deallocate_contents(ClassLoaderData* loader_data);
aoqi@0 62 DEBUG_ONLY(bool on_stack() { return false; }) // for template
aoqi@0 63
aoqi@0 64 // Sizing (in words)
aoqi@0 65 static int size() { return sizeof(Annotations) / wordSize; }
aoqi@0 66 #if INCLUDE_SERVICES
aoqi@0 67 void collect_statistics(KlassSizeStats *sz) const;
aoqi@0 68 #endif
aoqi@0 69
aoqi@0 70 // Constructor to initialize to null
aoqi@0 71 Annotations() : _class_annotations(NULL),
aoqi@0 72 _fields_annotations(NULL),
aoqi@0 73 _class_type_annotations(NULL),
aoqi@0 74 _fields_type_annotations(NULL) {}
aoqi@0 75
aoqi@0 76 AnnotationArray* class_annotations() const { return _class_annotations; }
aoqi@0 77 Array<AnnotationArray*>* fields_annotations() const { return _fields_annotations; }
aoqi@0 78 AnnotationArray* class_type_annotations() const { return _class_type_annotations; }
aoqi@0 79 Array<AnnotationArray*>* fields_type_annotations() const { return _fields_type_annotations; }
aoqi@0 80
aoqi@0 81 void set_class_annotations(AnnotationArray* md) { _class_annotations = md; }
aoqi@0 82 void set_fields_annotations(Array<AnnotationArray*>* md) { _fields_annotations = md; }
aoqi@0 83 void set_class_type_annotations(AnnotationArray* cta) { _class_type_annotations = cta; }
aoqi@0 84 void set_fields_type_annotations(Array<AnnotationArray*>* fta) { _fields_type_annotations = fta; }
aoqi@0 85
aoqi@0 86 // Turn metadata annotations into a Java heap object (oop)
aoqi@0 87 static typeArrayOop make_java_array(AnnotationArray* annotations, TRAPS);
aoqi@0 88
aoqi@0 89 bool is_klass() const { return false; }
aoqi@0 90 private:
aoqi@0 91 static julong count_bytes(Array<AnnotationArray*>* p);
aoqi@0 92 public:
aoqi@0 93 const char* internal_name() const { return "{constant pool}"; }
aoqi@0 94 #ifndef PRODUCT
aoqi@0 95 void print_on(outputStream* st) const;
aoqi@0 96 #endif
aoqi@0 97 void print_value_on(outputStream* st) const;
aoqi@0 98 };
aoqi@0 99 #endif // SHARE_VM_OOPS_ANNOTATIONS_HPP

mercurial