| // Copyright (c) 2016, 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.graph; |
| |
| import com.android.tools.r8.dex.IndexedItemCollection; |
| import com.android.tools.r8.dex.MixedSectionCollection; |
| import java.util.Arrays; |
| |
| public class DexAnnotationSet extends DexItem { |
| |
| private static final int UNSORTED = 0; |
| private static final DexAnnotationSet THE_EMPTY_ANNOTATIONS_SET = |
| new DexAnnotationSet(new DexAnnotation[0]); |
| |
| public final DexAnnotation[] annotations; |
| private int sorted = UNSORTED; |
| |
| public DexAnnotationSet(DexAnnotation[] annotations) { |
| this.annotations = annotations; |
| } |
| |
| public static DexAnnotationSet empty() { |
| return THE_EMPTY_ANNOTATIONS_SET; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Arrays.hashCode(annotations); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (this == other) { |
| return true; |
| } |
| if (other instanceof DexAnnotationSet) { |
| DexAnnotationSet o = (DexAnnotationSet) other; |
| return Arrays.equals(annotations, o.annotations); |
| } |
| return false; |
| } |
| |
| @Override |
| public void collectIndexedItems(IndexedItemCollection indexedItems) { |
| collectAll(indexedItems, annotations); |
| } |
| |
| @Override |
| void collectMixedSectionItems(MixedSectionCollection mixedItems) { |
| mixedItems.add(this); |
| collectAll(mixedItems, annotations); |
| } |
| |
| public boolean isEmpty() { |
| return annotations.length == 0; |
| } |
| |
| public void sort() { |
| if (sorted != UNSORTED) { |
| assert sorted == sortedHashCode(); |
| return; |
| } |
| Arrays.sort(annotations, (a, b) -> a.annotation.type.compareTo(b.annotation.type)); |
| for (DexAnnotation annotation : annotations) { |
| annotation.annotation.sort(); |
| } |
| sorted = hashCode(); |
| } |
| |
| public DexAnnotation getFirstMatching(DexType type) { |
| for (DexAnnotation annotation : annotations) { |
| if (annotation.annotation.type == type) { |
| return annotation; |
| } |
| } |
| return null; |
| } |
| |
| private int sortedHashCode() { |
| int hashCode = hashCode(); |
| return hashCode == UNSORTED ? 1 : hashCode; |
| } |
| } |