| /* |
| * Copyright (c) 1999, 2014, 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/javaClasses.hpp" |
| #include "memory/universe.inline.hpp" |
| #include "runtime/reflectionUtils.hpp" |
| |
| KlassStream::KlassStream(instanceKlassHandle klass, bool local_only, |
| bool classes_only, bool walk_defaults) { |
| _klass = _base_klass = klass; |
| _base_class_search_defaults = false; |
| _defaults_checked = false; |
| if (classes_only) { |
| _interfaces = Universe::the_empty_klass_array(); |
| } else { |
| _interfaces = klass->transitive_interfaces(); |
| } |
| _interface_index = _interfaces->length(); |
| _local_only = local_only; |
| _classes_only = classes_only; |
| _walk_defaults = walk_defaults; |
| } |
| |
| 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(); |
| // Next for method walks, walk default methods |
| } else if (_walk_defaults && (_defaults_checked == false) && (_base_klass->default_methods() != NULL)) { |
| _base_class_search_defaults = true; |
| _klass = _base_klass; |
| _defaults_checked = true; |
| } else { |
| // Next walk transitive interfaces |
| if (_interface_index > 0) { |
| _klass = _interfaces->at(--_interface_index); |
| } else { |
| return true; |
| } |
| } |
| _index = length(); |
| next(); |
| return eos(); |
| } |
| |
| |
| GrowableArray<FilteredField*> *FilteredFieldsMap::_filtered_fields = |
| new (ResourceObj::C_HEAP, mtInternal) 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)); |
| offset = reflect_ConstantPool::oop_offset(); |
| _filtered_fields->append(new FilteredField(SystemDictionary::reflect_ConstantPool_klass(), offset)); |
| offset = reflect_UnsafeStaticFieldAccessorImpl::base_offset(); |
| _filtered_fields->append(new FilteredField(SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass(), offset)); |
| } |
| |
| int FilteredFieldStream::field_count() { |
| int numflds = 0; |
| for (;!eos(); next()) { |
| numflds++; |
| } |
| return numflds; |
| } |