| // Copyright (c) 2023, 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.lens; |
| |
| import java.util.ArrayDeque; |
| import java.util.Deque; |
| |
| public class GraphLensUtils { |
| |
| public static Deque<NonIdentityGraphLens> extractNonIdentityLenses(GraphLens lens) { |
| Deque<NonIdentityGraphLens> lenses = new ArrayDeque<>(); |
| while (lens.isNonIdentityLens()) { |
| NonIdentityGraphLens nonIdentityLens = lens.asNonIdentityLens(); |
| lenses.addFirst(nonIdentityLens); |
| lens = nonIdentityLens.getPrevious(); |
| } |
| return lenses; |
| } |
| } |