diff -r caf5eb7dd4a7 -r 882756847a04 hotspot/src/share/vm/oops/annotations.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hotspot/src/share/vm/oops/annotations.cpp Sat Sep 01 13:25:18 2012 -0400 @@ -0,0 +1,124 @@ +/* + * 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. + * + */ + +#include "precompiled.hpp" +#include "classfile/classLoaderData.hpp" +#include "memory/metadataFactory.hpp" +#include "memory/oopFactory.hpp" +#include "oops/annotations.hpp" +#include "oops/instanceKlass.hpp" +#include "utilities/ostream.hpp" + +// Allocate annotations in metadata area +Annotations* Annotations::allocate(ClassLoaderData* loader_data, TRAPS) { + return new (loader_data, size(), true, THREAD) Annotations(); +} + +Annotations* Annotations::allocate(ClassLoaderData* loader_data, + Array* fa, + Array* ma, + Array* mpa, + Array* mda, TRAPS) { + return new (loader_data, size(), true, THREAD) Annotations(fa, ma, mpa, mda); +} + +// helper +static void free_contents(ClassLoaderData* loader_data, Array* p) { + if (p != NULL) { + for (int i = 0; i < p->length(); i++) { + MetadataFactory::free_array(loader_data, p->at(i)); + } + MetadataFactory::free_array(loader_data, p); + } +} + +void Annotations::deallocate_contents(ClassLoaderData* loader_data) { + if (class_annotations() != NULL) { + MetadataFactory::free_array(loader_data, class_annotations()); + } + free_contents(loader_data, fields_annotations()); + free_contents(loader_data, methods_annotations()); + free_contents(loader_data, methods_parameter_annotations()); + free_contents(loader_data, methods_default_annotations()); +} + +// Set the annotation at 'idnum' to 'anno'. +// We don't want to create or extend the array if 'anno' is NULL, since that is the +// default value. However, if the array exists and is long enough, we must set NULL values. +void Annotations::set_methods_annotations_of(instanceKlassHandle ik, + int idnum, AnnotationArray* anno, + Array** md_p, + TRAPS) { + Array* md = *md_p; + if (md != NULL && md->length() > idnum) { + md->at_put(idnum, anno); + } else if (anno != NULL) { + // create the array + int length = MAX2(idnum+1, (int)ik->idnum_allocated_count()); + md = MetadataFactory::new_array(ik->class_loader_data(), length, CHECK); + if (*md_p != NULL) { + // copy the existing entries + for (int index = 0; index < (*md_p)->length(); index++) { + md->at_put(index, (*md_p)->at(index)); + } + } + set_annotations(md, md_p); + md->at_put(idnum, anno); + } // if no array and idnum isn't included there is nothing to do +} + +// Keep created annotations in a global growable array (should be hashtable) +// need to add, search, delete when class is unloaded. +// Does it need a lock? yes. This sucks. + +// Copy annotations to JVM call or reflection to the java heap. +typeArrayOop Annotations::make_java_array(AnnotationArray* annotations, TRAPS) { + if (annotations != NULL) { + int length = annotations->length(); + typeArrayOop copy = oopFactory::new_byteArray(length, CHECK_NULL); + for (int i = 0; i< length; i++) { + copy->byte_at_put(i, annotations->at(i)); + } + return copy; + } else { + return NULL; + } +} + + +void Annotations::print_value_on(outputStream* st) const { + st->print("Anotations(" INTPTR_FORMAT ")", this); +} + +#define BULLET " - " + +#ifndef PRODUCT +void Annotations::print_on(outputStream* st) const { + st->print(BULLET"class_annotations "); class_annotations()->print_value_on(st); + st->print(BULLET"fields_annotations "); fields_annotations()->print_value_on(st); + st->print(BULLET"methods_annotations "); methods_annotations()->print_value_on(st); + st->print(BULLET"methods_parameter_annotations"); methods_parameter_annotations()->print_value_on(st); + st->print(BULLET"methods_default_annotations "); methods_default_annotations()->print_value_on(st); +} +#endif // PRODUCT