--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/runtime/reflectionUtils.cpp Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,84 @@
+/*
+ * Copyright 1999-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+#include "incls/_precompiled.incl"
+#include "incls/_reflectionUtils.cpp.incl"
+
+KlassStream::KlassStream(instanceKlassHandle klass, bool local_only, bool classes_only) {
+ _klass = klass;
+ if (classes_only) {
+ _interfaces = Universe::the_empty_system_obj_array();
+ } else {
+ _interfaces = klass->transitive_interfaces();
+ }
+ _interface_index = _interfaces->length();
+ _local_only = local_only;
+ _classes_only = classes_only;
+}
+
+bool KlassStream::eos() {
+ if (index() >= 0) return false;
+ if (_local_only) return true;
+ if (!_klass->is_interface() && _klass->super() != NULL) {
+ // go up superclass chain (not for interfaces)
+ _klass = _klass->super();
+ } else {
+ if (_interface_index > 0) {
+ _klass = klassOop(_interfaces->obj_at(--_interface_index));
+ } else {
+ return true;
+ }
+ }
+ _index = length();
+ next();
+ return eos();
+}
+
+
+GrowableArray<FilteredField*> *FilteredFieldsMap::_filtered_fields =
+ new (ResourceObj::C_HEAP) GrowableArray<FilteredField*>(3,true);
+
+
+void FilteredFieldsMap::initialize() {
+ int offset;
+ offset = java_lang_Throwable::get_backtrace_offset();
+ _filtered_fields->append(new FilteredField(SystemDictionary::throwable_klass(), offset));
+ // The latest version of vm may be used with old jdk.
+ if (JDK_Version::is_gte_jdk16x_version()) {
+ // The following class fields do not exist in
+ // previous version of jdk.
+ offset = sun_reflect_ConstantPool::cp_oop_offset();
+ _filtered_fields->append(new FilteredField(SystemDictionary::reflect_constant_pool_klass(), offset));
+ offset = sun_reflect_UnsafeStaticFieldAccessorImpl::base_offset();
+ _filtered_fields->append(new FilteredField(SystemDictionary::reflect_unsafe_static_field_accessor_impl_klass(), offset));
+ }
+}
+
+int FilteredFieldStream::field_count() {
+ int numflds = 0;
+ for (;!eos(); next()) {
+ numflds++;
+ }
+ return numflds;
+}