1 // Copyright 2018 The Bazel Authors. All rights reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 package com.google.devtools.build.android.desugar.scan; 15 16 import static com.google.common.base.Preconditions.checkArgument; 17 18 import com.google.auto.value.AutoValue; 19 import com.google.errorprone.annotations.Immutable; 20 21 @AutoValue 22 @Immutable 23 abstract class KeepReference { classReference(String internalName)24 public static KeepReference classReference(String internalName) { 25 checkArgument(!internalName.isEmpty()); 26 return new AutoValue_KeepReference(internalName, "", ""); 27 } 28 memberReference(String internalName, String name, String desc)29 public static KeepReference memberReference(String internalName, String name, String desc) { 30 checkArgument(!internalName.isEmpty()); 31 checkArgument(!name.isEmpty()); 32 checkArgument(!desc.isEmpty()); 33 return new AutoValue_KeepReference(internalName, name, desc); 34 } 35 isMemberReference()36 public final boolean isMemberReference() { 37 return !name().isEmpty(); 38 } 39 isMethodReference()40 public final boolean isMethodReference() { 41 return desc().startsWith("("); 42 } 43 isFieldReference()44 public final boolean isFieldReference() { 45 return isMemberReference() && !isMethodReference(); 46 } 47 internalName()48 public abstract String internalName(); name()49 public abstract String name(); desc()50 public abstract String desc(); 51 } 52