| // Copyright (c) 2022, 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.profile.art; |
| |
| |
| import com.android.tools.r8.TextInputStream; |
| import com.android.tools.r8.errors.Unreachable; |
| import com.android.tools.r8.references.ClassReference; |
| import com.android.tools.r8.references.MethodReference; |
| import com.android.tools.r8.startup.StartupProfileBuilder; |
| import com.android.tools.r8.utils.MethodReferenceUtils; |
| import java.io.IOException; |
| import java.io.OutputStreamWriter; |
| import java.util.function.Consumer; |
| |
| public class ArtProfileBuilderUtils { |
| |
| /** |
| * Helper for creating an {@link ArtProfileBuilder} that performs callbacks on the given {@param |
| * startupProfileBuilder}. |
| */ |
| public static ArtProfileBuilder createBuilderForArtProfileToStartupProfileConversion( |
| StartupProfileBuilder startupProfileBuilder) { |
| return new ArtProfileBuilder() { |
| |
| @Override |
| public ArtProfileBuilder addClassRule( |
| Consumer<ArtProfileClassRuleBuilder> classRuleBuilderConsumer) { |
| MutableArtProfileClassRule classRule = new MutableArtProfileClassRule(); |
| classRuleBuilderConsumer.accept(classRule); |
| startupProfileBuilder.addStartupClass( |
| startupClassBuilder -> |
| startupClassBuilder.setClassReference(classRule.getClassReference())); |
| return this; |
| } |
| |
| @Override |
| public ArtProfileBuilder addMethodRule( |
| Consumer<ArtProfileMethodRuleBuilder> methodRuleBuilderConsumer) { |
| MutableArtProfileMethodRule methodRule = new MutableArtProfileMethodRule(); |
| methodRuleBuilderConsumer.accept(methodRule); |
| startupProfileBuilder.addStartupMethod( |
| startupMethodBuilder -> |
| startupMethodBuilder.setMethodReference(methodRule.getMethodReference())); |
| return this; |
| } |
| |
| @Override |
| public ArtProfileBuilder addHumanReadableArtProfile( |
| TextInputStream textInputStream, |
| Consumer<HumanReadableArtProfileParserBuilder> parserBuilderConsumer) { |
| // The ART profile parser never calls addHumanReadableArtProfile(). |
| throw new Unreachable(); |
| } |
| }; |
| } |
| |
| static class MutableArtProfileClassRule implements ArtProfileClassRuleBuilder { |
| |
| private ClassReference classReference; |
| |
| MutableArtProfileClassRule() {} |
| |
| public ClassReference getClassReference() { |
| return classReference; |
| } |
| |
| @Override |
| public ArtProfileClassRuleBuilder setClassReference(ClassReference classReference) { |
| this.classReference = classReference; |
| return this; |
| } |
| |
| public ArtProfileClassRuleInfo getClassRuleInfo() { |
| return ArtProfileClassRuleInfoImpl.empty(); |
| } |
| |
| public void writeHumanReadableRuleString(OutputStreamWriter writer) throws IOException { |
| writer.write(classReference.getDescriptor()); |
| } |
| } |
| |
| static class MutableArtProfileMethodRule implements ArtProfileMethodRuleBuilder { |
| |
| private MethodReference methodReference; |
| private ArtProfileMethodRuleInfoImpl methodRuleInfo = ArtProfileMethodRuleInfoImpl.empty(); |
| |
| MutableArtProfileMethodRule() {} |
| |
| public MethodReference getMethodReference() { |
| return methodReference; |
| } |
| |
| public ArtProfileMethodRuleInfo getMethodRuleInfo() { |
| return methodRuleInfo; |
| } |
| |
| @Override |
| public ArtProfileMethodRuleBuilder setMethodReference(MethodReference methodReference) { |
| this.methodReference = methodReference; |
| return this; |
| } |
| |
| @Override |
| public ArtProfileMethodRuleBuilder setMethodRuleInfo( |
| Consumer<ArtProfileMethodRuleInfoBuilder> methodRuleInfoBuilderConsumer) { |
| ArtProfileMethodRuleInfoImpl.Builder methodRuleInfoBuilder = |
| ArtProfileMethodRuleInfoImpl.builder(); |
| methodRuleInfoBuilderConsumer.accept(methodRuleInfoBuilder); |
| methodRuleInfo = methodRuleInfoBuilder.build(); |
| return this; |
| } |
| |
| public void writeHumanReadableRuleString(OutputStreamWriter writer) throws IOException { |
| methodRuleInfo.writeHumanReadableFlags(writer); |
| writer.write(MethodReferenceUtils.toSmaliString(methodReference)); |
| } |
| } |
| } |