| // Copyright (c) 2017, 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.shaking; |
| |
| import com.android.tools.r8.graph.DexClass; |
| import com.android.tools.r8.graph.DexEncodedMethod; |
| import com.google.common.collect.ImmutableList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| public class ProguardConfigurationUtils { |
| public static ProguardKeepRule buildDefaultInitializerKeepRule(DexClass clazz) { |
| ProguardKeepRule.Builder builder = ProguardKeepRule.builder(); |
| builder.setType(ProguardKeepRuleType.KEEP); |
| builder.getModifiersBuilder().allowsObfuscation = true; |
| builder.getModifiersBuilder().allowsOptimization = true; |
| builder.getClassAccessFlags().setPublic(); |
| builder.setClassType(ProguardClassType.CLASS); |
| ProguardClassNameList.Builder classNameListBuilder = ProguardClassNameList.builder(); |
| classNameListBuilder.addClassName(false, ProguardTypeMatcher.create(clazz.type)); |
| builder.setClassNames(classNameListBuilder.build()); |
| if (clazz.hasDefaultInitializer()) { |
| ProguardMemberRule.Builder memberRuleBuilder = ProguardMemberRule.builder(); |
| memberRuleBuilder.setRuleType(ProguardMemberType.INIT); |
| memberRuleBuilder.setName("<init>"); |
| memberRuleBuilder.setArguments(ImmutableList.of()); |
| builder.getMemberRules().add(memberRuleBuilder.build()); |
| } |
| return builder.build(); |
| } |
| |
| public static ProguardKeepRule buildDefaultMethodKeepRule( |
| DexClass clazz, DexEncodedMethod method) { |
| assert clazz.type == method.method.holder; |
| ProguardKeepRule.Builder builder = ProguardKeepRule.builder(); |
| builder.setType(ProguardKeepRuleType.KEEP); |
| builder.getModifiersBuilder().allowsObfuscation = true; |
| builder.getModifiersBuilder().allowsOptimization = true; |
| builder.getClassAccessFlags().setPublic(); |
| builder.setClassType(ProguardClassType.INTERFACE); |
| builder.setClassNames( |
| ProguardClassNameList.singletonList(ProguardTypeMatcher.create(clazz.type))); |
| ProguardMemberRule.Builder memberRuleBuilder = ProguardMemberRule.builder(); |
| memberRuleBuilder.setRuleType(ProguardMemberType.METHOD); |
| memberRuleBuilder.setName(method.method.name.toString()); |
| memberRuleBuilder.setTypeMatcher(ProguardTypeMatcher.create(method.method.proto.returnType)); |
| List<ProguardTypeMatcher> arguments = Arrays.stream(method.method.proto.parameters.values) |
| .map(ProguardTypeMatcher::create) |
| .collect(Collectors.toList()); |
| memberRuleBuilder.setArguments(arguments); |
| builder.getMemberRules().add(memberRuleBuilder.build()); |
| return builder.build(); |
| } |
| } |