1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/oops/annotations.cpp Sat Sep 01 13:25:18 2012 -0400
1.3 @@ -0,0 +1,124 @@
1.4 +/*
1.5 + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#include "precompiled.hpp"
1.29 +#include "classfile/classLoaderData.hpp"
1.30 +#include "memory/metadataFactory.hpp"
1.31 +#include "memory/oopFactory.hpp"
1.32 +#include "oops/annotations.hpp"
1.33 +#include "oops/instanceKlass.hpp"
1.34 +#include "utilities/ostream.hpp"
1.35 +
1.36 +// Allocate annotations in metadata area
1.37 +Annotations* Annotations::allocate(ClassLoaderData* loader_data, TRAPS) {
1.38 + return new (loader_data, size(), true, THREAD) Annotations();
1.39 +}
1.40 +
1.41 +Annotations* Annotations::allocate(ClassLoaderData* loader_data,
1.42 + Array<AnnotationArray*>* fa,
1.43 + Array<AnnotationArray*>* ma,
1.44 + Array<AnnotationArray*>* mpa,
1.45 + Array<AnnotationArray*>* mda, TRAPS) {
1.46 + return new (loader_data, size(), true, THREAD) Annotations(fa, ma, mpa, mda);
1.47 +}
1.48 +
1.49 +// helper
1.50 +static void free_contents(ClassLoaderData* loader_data, Array<AnnotationArray*>* p) {
1.51 + if (p != NULL) {
1.52 + for (int i = 0; i < p->length(); i++) {
1.53 + MetadataFactory::free_array<u1>(loader_data, p->at(i));
1.54 + }
1.55 + MetadataFactory::free_array<AnnotationArray*>(loader_data, p);
1.56 + }
1.57 +}
1.58 +
1.59 +void Annotations::deallocate_contents(ClassLoaderData* loader_data) {
1.60 + if (class_annotations() != NULL) {
1.61 + MetadataFactory::free_array<u1>(loader_data, class_annotations());
1.62 + }
1.63 + free_contents(loader_data, fields_annotations());
1.64 + free_contents(loader_data, methods_annotations());
1.65 + free_contents(loader_data, methods_parameter_annotations());
1.66 + free_contents(loader_data, methods_default_annotations());
1.67 +}
1.68 +
1.69 +// Set the annotation at 'idnum' to 'anno'.
1.70 +// We don't want to create or extend the array if 'anno' is NULL, since that is the
1.71 +// default value. However, if the array exists and is long enough, we must set NULL values.
1.72 +void Annotations::set_methods_annotations_of(instanceKlassHandle ik,
1.73 + int idnum, AnnotationArray* anno,
1.74 + Array<AnnotationArray*>** md_p,
1.75 + TRAPS) {
1.76 + Array<AnnotationArray*>* md = *md_p;
1.77 + if (md != NULL && md->length() > idnum) {
1.78 + md->at_put(idnum, anno);
1.79 + } else if (anno != NULL) {
1.80 + // create the array
1.81 + int length = MAX2(idnum+1, (int)ik->idnum_allocated_count());
1.82 + md = MetadataFactory::new_array<AnnotationArray*>(ik->class_loader_data(), length, CHECK);
1.83 + if (*md_p != NULL) {
1.84 + // copy the existing entries
1.85 + for (int index = 0; index < (*md_p)->length(); index++) {
1.86 + md->at_put(index, (*md_p)->at(index));
1.87 + }
1.88 + }
1.89 + set_annotations(md, md_p);
1.90 + md->at_put(idnum, anno);
1.91 + } // if no array and idnum isn't included there is nothing to do
1.92 +}
1.93 +
1.94 +// Keep created annotations in a global growable array (should be hashtable)
1.95 +// need to add, search, delete when class is unloaded.
1.96 +// Does it need a lock? yes. This sucks.
1.97 +
1.98 +// Copy annotations to JVM call or reflection to the java heap.
1.99 +typeArrayOop Annotations::make_java_array(AnnotationArray* annotations, TRAPS) {
1.100 + if (annotations != NULL) {
1.101 + int length = annotations->length();
1.102 + typeArrayOop copy = oopFactory::new_byteArray(length, CHECK_NULL);
1.103 + for (int i = 0; i< length; i++) {
1.104 + copy->byte_at_put(i, annotations->at(i));
1.105 + }
1.106 + return copy;
1.107 + } else {
1.108 + return NULL;
1.109 + }
1.110 +}
1.111 +
1.112 +
1.113 +void Annotations::print_value_on(outputStream* st) const {
1.114 + st->print("Anotations(" INTPTR_FORMAT ")", this);
1.115 +}
1.116 +
1.117 +#define BULLET " - "
1.118 +
1.119 +#ifndef PRODUCT
1.120 +void Annotations::print_on(outputStream* st) const {
1.121 + st->print(BULLET"class_annotations "); class_annotations()->print_value_on(st);
1.122 + st->print(BULLET"fields_annotations "); fields_annotations()->print_value_on(st);
1.123 + st->print(BULLET"methods_annotations "); methods_annotations()->print_value_on(st);
1.124 + st->print(BULLET"methods_parameter_annotations"); methods_parameter_annotations()->print_value_on(st);
1.125 + st->print(BULLET"methods_default_annotations "); methods_default_annotations()->print_value_on(st);
1.126 +}
1.127 +#endif // PRODUCT
