| /* |
| * Copyright 2019 The Bazel Authors. All rights reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.devtools.build.android.desugar.langmodel; |
| |
| import com.google.auto.value.AutoValue; |
| import com.google.common.collect.ImmutableSet; |
| import java.util.Collection; |
| import org.objectweb.asm.Opcodes; |
| |
| /** |
| * Used to track the declaration and invocation information of a class member, including fields, |
| * constructors and methods. |
| */ |
| @AutoValue |
| abstract class ClassMemberTrackReason { |
| |
| abstract boolean hasDeclReason(); |
| |
| abstract int ownerAccess(); |
| |
| abstract int memberAccess(); |
| |
| abstract ImmutableSet<MemberUseKind> useAccesses(); |
| |
| public static ClassMemberTrackReasonBuilder builder() { |
| return new AutoValue_ClassMemberTrackReason.Builder() |
| .setHasDeclReason(false) |
| .setOwnerAccess(0) |
| .setMemberAccess(0); |
| } |
| |
| abstract ClassMemberTrackReasonBuilder toBuilder(); |
| |
| final boolean hasInterfaceDeclReason() { |
| return hasDeclReason() && (ownerAccess() & Opcodes.ACC_INTERFACE) != 0; |
| } |
| |
| final boolean hasMemberUseReason() { |
| return !useAccesses().isEmpty(); |
| } |
| |
| /** The builder for {@link ClassMemberTrackReason}. */ |
| @AutoValue.Builder |
| abstract static class ClassMemberTrackReasonBuilder { |
| |
| abstract ClassMemberTrackReasonBuilder setHasDeclReason(boolean value); |
| |
| abstract ClassMemberTrackReasonBuilder setOwnerAccess(int value); |
| |
| abstract ClassMemberTrackReasonBuilder setMemberAccess(int value); |
| |
| abstract ClassMemberTrackReasonBuilder setUseAccesses(Collection<MemberUseKind> value); |
| |
| abstract ImmutableSet.Builder<MemberUseKind> useAccessesBuilder(); |
| |
| final ClassMemberTrackReasonBuilder setDeclAccess(int ownerAccess, int memberAccess) { |
| return setHasDeclReason(true).setOwnerAccess(ownerAccess).setMemberAccess(memberAccess); |
| } |
| |
| final ClassMemberTrackReasonBuilder addUseAccess(int invokeOpcode) { |
| useAccessesBuilder().add(MemberUseKind.fromValue(invokeOpcode)); |
| return this; |
| } |
| |
| final ClassMemberTrackReasonBuilder addAllUseAccesses(Collection<MemberUseKind> values) { |
| useAccessesBuilder().addAll(values); |
| return this; |
| } |
| |
| final ClassMemberTrackReasonBuilder mergeFrom(ClassMemberTrackReason otherReason) { |
| if (otherReason.hasDeclReason()) { |
| setDeclAccess(otherReason.ownerAccess(), otherReason.memberAccess()); |
| } |
| addAllUseAccesses(otherReason.useAccesses()); |
| return this; |
| } |
| |
| abstract ClassMemberTrackReason build(); |
| } |
| } |