| // 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.utils; |
| |
| import com.android.tools.r8.dump.DumpOptions; |
| import com.android.tools.r8.errors.Unreachable; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.regex.Pattern; |
| |
| public abstract class DumpInputFlags { |
| |
| private static final String DUMP_INPUT_TO_FILE_PROPERTY = "com.android.tools.r8.dumpinputtofile"; |
| private static final String DUMP_INPUT_TO_DIRECTORY_PROPERTY = |
| "com.android.tools.r8.dumpinputtodirectory"; |
| |
| public static DumpInputFlags getDefault() { |
| String dumpInputToFile = System.getProperty(DUMP_INPUT_TO_FILE_PROPERTY); |
| if (dumpInputToFile != null) { |
| return dumpToFile(Paths.get(dumpInputToFile)); |
| } |
| String dumpInputToDirectory = System.getProperty(DUMP_INPUT_TO_DIRECTORY_PROPERTY); |
| if (dumpInputToDirectory != null) { |
| return dumpToDirectory(Paths.get(dumpInputToDirectory)); |
| } |
| return noDump(); |
| } |
| |
| public static DumpInputFlags noDump() { |
| return new DumpInputFlags() { |
| |
| @Override |
| public Path getDumpPath() { |
| throw new Unreachable(); |
| } |
| |
| @Override |
| public boolean shouldDump(DumpOptions options) { |
| return false; |
| } |
| |
| @Override |
| public boolean shouldFailCompilation() { |
| throw new Unreachable(); |
| } |
| }; |
| } |
| |
| public static DumpInputFlags dumpToFile(Path file) { |
| return new DumpInputToFileOrDirectoryFlags() { |
| |
| @Override |
| public Path getDumpPath() { |
| return file; |
| } |
| |
| @Override |
| public boolean shouldFailCompilation() { |
| return true; |
| } |
| }; |
| } |
| |
| public static DumpInputFlags dumpToDirectory(Path directory) { |
| return new DumpInputToFileOrDirectoryFlags() { |
| |
| @Override |
| public Path getDumpPath() { |
| return directory.resolve("dump" + System.nanoTime() + ".zip"); |
| } |
| |
| @Override |
| public boolean shouldFailCompilation() { |
| return false; |
| } |
| }; |
| } |
| |
| public abstract Path getDumpPath(); |
| |
| public abstract boolean shouldDump(DumpOptions options); |
| |
| public abstract boolean shouldFailCompilation(); |
| |
| abstract static class DumpInputToFileOrDirectoryFlags extends DumpInputFlags { |
| |
| @Override |
| public boolean shouldDump(DumpOptions options) { |
| Map<String, String> buildProperties = options.getBuildProperties(); |
| for (Entry<String, String> entry : buildProperties.entrySet()) { |
| String valueRegExp = |
| System.getProperty("com.android.tools.r8.dump.filter.buildproperty." + entry.getKey()); |
| if (valueRegExp != null && !Pattern.matches(valueRegExp, entry.getValue())) { |
| return false; |
| } |
| } |
| return true; |
| } |
| } |
| } |