|
0
|
1 /*
|
|
|
2 * Copyright 1999-2006 Sun Microsystems, Inc. All Rights Reserved.
|
|
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
|
4 *
|
|
|
5 * This code is free software; you can redistribute it and/or modify it
|
|
|
6 * under the terms of the GNU General Public License version 2 only, as
|
|
|
7 * published by the Free Software Foundation.
|
|
|
8 *
|
|
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT
|
|
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
12 * version 2 for more details (a copy is included in the LICENSE file that
|
|
|
13 * accompanied this code).
|
|
|
14 *
|
|
|
15 * You should have received a copy of the GNU General Public License version
|
|
|
16 * 2 along with this work; if not, write to the Free Software Foundation,
|
|
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
18 *
|
|
|
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
|
20 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
|
21 * have any questions.
|
|
|
22 *
|
|
|
23 */
|
|
|
24
|
|
|
25 #include "incls/_precompiled.incl"
|
|
|
26 #include "incls/_reflectionUtils.cpp.incl"
|
|
|
27
|
|
|
28 KlassStream::KlassStream(instanceKlassHandle klass, bool local_only, bool classes_only) {
|
|
|
29 _klass = klass;
|
|
|
30 if (classes_only) {
|
|
|
31 _interfaces = Universe::the_empty_system_obj_array();
|
|
|
32 } else {
|
|
|
33 _interfaces = klass->transitive_interfaces();
|
|
|
34 }
|
|
|
35 _interface_index = _interfaces->length();
|
|
|
36 _local_only = local_only;
|
|
|
37 _classes_only = classes_only;
|
|
|
38 }
|
|
|
39
|
|
|
40 bool KlassStream::eos() {
|
|
|
41 if (index() >= 0) return false;
|
|
|
42 if (_local_only) return true;
|
|
|
43 if (!_klass->is_interface() && _klass->super() != NULL) {
|
|
|
44 // go up superclass chain (not for interfaces)
|
|
|
45 _klass = _klass->super();
|
|
|
46 } else {
|
|
|
47 if (_interface_index > 0) {
|
|
|
48 _klass = klassOop(_interfaces->obj_at(--_interface_index));
|
|
|
49 } else {
|
|
|
50 return true;
|
|
|
51 }
|
|
|
52 }
|
|
|
53 _index = length();
|
|
|
54 next();
|
|
|
55 return eos();
|
|
|
56 }
|
|
|
57
|
|
|
58
|
|
|
59 GrowableArray<FilteredField*> *FilteredFieldsMap::_filtered_fields =
|
|
|
60 new (ResourceObj::C_HEAP) GrowableArray<FilteredField*>(3,true);
|
|
|
61
|
|
|
62
|
|
|
63 void FilteredFieldsMap::initialize() {
|
|
|
64 int offset;
|
|
|
65 offset = java_lang_Throwable::get_backtrace_offset();
|
|
|
66 _filtered_fields->append(new FilteredField(SystemDictionary::throwable_klass(), offset));
|
|
|
67 // The latest version of vm may be used with old jdk.
|
|
|
68 if (JDK_Version::is_gte_jdk16x_version()) {
|
|
|
69 // The following class fields do not exist in
|
|
|
70 // previous version of jdk.
|
|
|
71 offset = sun_reflect_ConstantPool::cp_oop_offset();
|
|
|
72 _filtered_fields->append(new FilteredField(SystemDictionary::reflect_constant_pool_klass(), offset));
|
|
|
73 offset = sun_reflect_UnsafeStaticFieldAccessorImpl::base_offset();
|
|
|
74 _filtered_fields->append(new FilteredField(SystemDictionary::reflect_unsafe_static_field_accessor_impl_klass(), offset));
|
|
|
75 }
|
|
|
76 }
|
|
|
77
|
|
|
78 int FilteredFieldStream::field_count() {
|
|
|
79 int numflds = 0;
|
|
|
80 for (;!eos(); next()) {
|
|
|
81 numflds++;
|
|
|
82 }
|
|
|
83 return numflds;
|
|
|
84 }
|
