| // Copyright (c) 2021, 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.retrace; |
| |
| import com.android.tools.r8.Keep; |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.Reader; |
| |
| /** Interface for producing a string format of a mapping file. */ |
| @Keep |
| public interface ProguardMapProducer { |
| |
| String get() throws IOException; |
| |
| static ProguardMapProducer fromReader(Reader reader) { |
| return () -> { |
| try (BufferedReader br = new BufferedReader(reader)) { |
| StringBuilder sb = new StringBuilder(); |
| String line; |
| while ((line = br.readLine()) != null) { |
| sb.append(line).append('\n'); |
| } |
| return sb.toString(); |
| } |
| }; |
| } |
| } |