Mercurial > jdk8-mips64-public > hotspot / file revision

 /*

  * 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<AnnotationArray*>* fa,

                                    Array<AnnotationArray*>* ma,

                                    Array<AnnotationArray*>* mpa,

                                    Array<AnnotationArray*>* mda, TRAPS) {

   return new (loader_data, size(), true, THREAD) Annotations(fa, ma, mpa, mda);

 }

 // helper

 static void free_contents(ClassLoaderData* loader_data, Array<AnnotationArray*>* p) {

   if (p != NULL) {

     for (int i = 0; i < p->length(); i++) {

       MetadataFactory::free_array<u1>(loader_data, p->at(i));

     }

     MetadataFactory::free_array<AnnotationArray*>(loader_data, p);

   }

 }

 void Annotations::deallocate_contents(ClassLoaderData* loader_data) {

   if (class_annotations() != NULL) {

     MetadataFactory::free_array<u1>(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());

   // Recursively deallocate optional Annotations linked through this one

   MetadataFactory::free_metadata(loader_data, type_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<AnnotationArray*>** md_p,

                                              TRAPS) {

   Array<AnnotationArray*>* 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<AnnotationArray*>(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