| // Copyright (c) 2022, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| package com.android.tools.r8.keepanno.ast; |
| |
| public abstract class KeepMemberPattern { |
| |
| public static KeepMemberPattern none() { |
| return None.getInstance(); |
| } |
| |
| public static KeepMemberPattern allMembers() { |
| return All.getInstance(); |
| } |
| |
| public static Builder memberBuilder() { |
| return new Builder(); |
| } |
| |
| public static class Builder { |
| private KeepMemberAccessPattern accessPattern = KeepMemberAccessPattern.anyMemberAccess(); |
| |
| public Builder setAccessPattern(KeepMemberAccessPattern accessPattern) { |
| this.accessPattern = accessPattern; |
| return this; |
| } |
| |
| public KeepMemberPattern build() { |
| if (accessPattern.isAny()) { |
| return allMembers(); |
| } |
| return new Some(accessPattern); |
| } |
| } |
| |
| private static class Some extends KeepMemberPattern { |
| private final KeepMemberAccessPattern accessPattern; |
| |
| public Some(KeepMemberAccessPattern accessPattern) { |
| this.accessPattern = accessPattern; |
| } |
| |
| @Override |
| public KeepMemberAccessPattern getAccessPattern() { |
| return accessPattern; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| Some some = (Some) o; |
| return accessPattern.equals(some.accessPattern); |
| } |
| |
| @Override |
| public int hashCode() { |
| return accessPattern.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return "Member{" + "access=" + accessPattern + '}'; |
| } |
| } |
| |
| private static class All extends KeepMemberPattern { |
| |
| private static final All INSTANCE = new All(); |
| |
| public static All getInstance() { |
| return INSTANCE; |
| } |
| |
| @Override |
| public boolean isAllMembers() { |
| return true; |
| } |
| |
| @Override |
| public KeepMemberAccessPattern getAccessPattern() { |
| return KeepMemberAccessPattern.anyMemberAccess(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| return this == obj; |
| } |
| |
| @Override |
| public int hashCode() { |
| return System.identityHashCode(this); |
| } |
| |
| @Override |
| public String toString() { |
| return "*"; |
| } |
| } |
| |
| private static class None extends KeepMemberPattern { |
| |
| private static final None INSTANCE = new None(); |
| |
| public static None getInstance() { |
| return INSTANCE; |
| } |
| |
| @Override |
| public boolean isNone() { |
| return true; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| return this == obj; |
| } |
| |
| @Override |
| public int hashCode() { |
| return System.identityHashCode(this); |
| } |
| |
| @Override |
| public String toString() { |
| return "<none>"; |
| } |
| } |
| |
| KeepMemberPattern() {} |
| |
| public boolean isAllMembers() { |
| return false; |
| } |
| |
| public boolean isNone() { |
| return false; |
| } |
| |
| public final boolean isGeneralMember() { |
| return !isNone() && !isMethod() && !isField(); |
| } |
| |
| public final boolean isMethod() { |
| return asMethod() != null; |
| } |
| |
| public KeepMethodPattern asMethod() { |
| return null; |
| } |
| |
| public final boolean isField() { |
| return asField() != null; |
| } |
| |
| public KeepFieldPattern asField() { |
| return null; |
| } |
| |
| public KeepMemberAccessPattern getAccessPattern() { |
| throw new KeepEdgeException("Invalid access to member access pattern"); |
| } |
| } |