| // 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.experimental.startup.profile; |
| |
| import com.android.tools.r8.TextInputStream; |
| import com.android.tools.r8.graph.DexDefinitionSupplier; |
| import com.android.tools.r8.graph.DexItemFactory; |
| import com.android.tools.r8.profile.art.ArtProfileBuilderUtils; |
| import com.android.tools.r8.profile.art.HumanReadableArtProfileParser; |
| import com.android.tools.r8.profile.art.HumanReadableArtProfileParserBuilder; |
| import com.android.tools.r8.startup.StartupClassBuilder; |
| import com.android.tools.r8.startup.StartupMethodBuilder; |
| import com.android.tools.r8.startup.StartupProfileBuilder; |
| import com.android.tools.r8.startup.StartupProfileProvider; |
| import com.android.tools.r8.startup.diagnostic.MissingStartupProfileItemsDiagnostic; |
| import com.android.tools.r8.utils.InternalOptions; |
| import com.android.tools.r8.utils.Reporter; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.function.Consumer; |
| |
| public class StartupProfile { |
| |
| private final LinkedHashSet<StartupItem> startupItems; |
| |
| StartupProfile(LinkedHashSet<StartupItem> startupItems) { |
| this.startupItems = startupItems; |
| } |
| |
| public static Builder builder( |
| InternalOptions options, |
| MissingStartupProfileItemsDiagnostic.Builder missingItemsDiagnosticBuilder, |
| StartupProfileProvider startupProfileProvider) { |
| return new Builder(options, missingItemsDiagnosticBuilder, startupProfileProvider); |
| } |
| |
| public static StartupProfile merge(Collection<StartupProfile> startupProfiles) { |
| LinkedHashSet<StartupItem> mergedStartupItems = new LinkedHashSet<>(); |
| for (StartupProfile startupProfile : startupProfiles) { |
| mergedStartupItems.addAll(startupProfile.getStartupItems()); |
| } |
| return new StartupProfile(mergedStartupItems); |
| } |
| |
| /** |
| * Parses the supplied startup configuration, if any. The startup configuration is a list of class |
| * and method descriptors. |
| * |
| * <p>Example: |
| * |
| * <pre> |
| * Landroidx/compose/runtime/ComposerImpl;->updateValue(Ljava/lang/Object;)V |
| * Landroidx/compose/runtime/ComposerImpl;->updatedNodeCount(I)I |
| * Landroidx/compose/runtime/ComposerImpl;->validateNodeExpected()V |
| * Landroidx/compose/runtime/CompositionImpl;->applyChanges()V |
| * Landroidx/compose/runtime/ComposerKt;->findLocation(Ljava/util/List;I)I |
| * Landroidx/compose/runtime/ComposerImpl; |
| * </pre> |
| */ |
| public static StartupProfile parseStartupProfile( |
| InternalOptions options, DexDefinitionSupplier definitions) { |
| if (!options.getStartupOptions().hasStartupProfileProviders()) { |
| return null; |
| } |
| Collection<StartupProfileProvider> startupProfileProviders = |
| options.getStartupOptions().getStartupProfileProviders(); |
| List<StartupProfile> startupProfiles = new ArrayList<>(startupProfileProviders.size()); |
| for (StartupProfileProvider startupProfileProvider : startupProfileProviders) { |
| MissingStartupProfileItemsDiagnostic.Builder missingItemsDiagnosticBuilder = |
| new MissingStartupProfileItemsDiagnostic.Builder(definitions) |
| .setOrigin(startupProfileProvider.getOrigin()); |
| StartupProfile.Builder startupProfileBuilder = |
| StartupProfile.builder(options, missingItemsDiagnosticBuilder, startupProfileProvider); |
| startupProfileProvider.getStartupProfile(startupProfileBuilder); |
| startupProfiles.add(startupProfileBuilder.build()); |
| if (missingItemsDiagnosticBuilder.hasMissingStartupItems()) { |
| options.reporter.warning(missingItemsDiagnosticBuilder.build()); |
| } |
| } |
| return StartupProfile.merge(startupProfiles); |
| } |
| |
| public Collection<StartupItem> getStartupItems() { |
| return startupItems; |
| } |
| |
| public int size() { |
| return startupItems.size(); |
| } |
| |
| public static class Builder implements StartupProfileBuilder { |
| |
| private final DexItemFactory dexItemFactory; |
| private final MissingStartupProfileItemsDiagnostic.Builder missingItemsDiagnosticBuilder; |
| private Reporter reporter; |
| private final StartupProfileProvider startupProfileProvider; |
| |
| private final LinkedHashSet<StartupItem> startupItems = new LinkedHashSet<>(); |
| |
| Builder( |
| InternalOptions options, |
| MissingStartupProfileItemsDiagnostic.Builder missingItemsDiagnosticBuilder, |
| StartupProfileProvider startupProfileProvider) { |
| this.dexItemFactory = options.dexItemFactory(); |
| this.missingItemsDiagnosticBuilder = missingItemsDiagnosticBuilder; |
| this.reporter = options.reporter; |
| this.startupProfileProvider = startupProfileProvider; |
| } |
| |
| @Override |
| public Builder addStartupClass(Consumer<StartupClassBuilder> startupClassBuilderConsumer) { |
| StartupClass.Builder startupClassBuilder = StartupClass.builder(dexItemFactory); |
| startupClassBuilderConsumer.accept(startupClassBuilder); |
| StartupClass startupClass = startupClassBuilder.build(); |
| if (missingItemsDiagnosticBuilder.registerStartupClass(startupClass)) { |
| return this; |
| } |
| return addStartupItem(startupClass); |
| } |
| |
| @Override |
| public Builder addStartupMethod(Consumer<StartupMethodBuilder> startupMethodBuilderConsumer) { |
| StartupMethod.Builder startupMethodBuilder = StartupMethod.builder(dexItemFactory); |
| startupMethodBuilderConsumer.accept(startupMethodBuilder); |
| StartupMethod startupMethod = startupMethodBuilder.build(); |
| if (missingItemsDiagnosticBuilder.registerStartupMethod(startupMethod)) { |
| return this; |
| } |
| return addStartupItem(startupMethod); |
| } |
| |
| @Override |
| public StartupProfileBuilder addHumanReadableArtProfile( |
| TextInputStream textInputStream, |
| Consumer<HumanReadableArtProfileParserBuilder> parserBuilderConsumer) { |
| HumanReadableArtProfileParser.Builder parserBuilder = |
| HumanReadableArtProfileParser.builder() |
| .setReporter(reporter) |
| .setProfileBuilder( |
| ArtProfileBuilderUtils.createBuilderForArtProfileToStartupProfileConversion( |
| this)); |
| parserBuilderConsumer.accept(parserBuilder); |
| HumanReadableArtProfileParser parser = parserBuilder.build(); |
| parser.parse(textInputStream, startupProfileProvider.getOrigin()); |
| return this; |
| } |
| |
| private Builder addStartupItem(StartupItem startupItem) { |
| this.startupItems.add(startupItem); |
| return this; |
| } |
| |
| public Builder apply(Consumer<Builder> consumer) { |
| consumer.accept(this); |
| return this; |
| } |
| |
| public Builder setIgnoreWarnings() { |
| return setReporter(null); |
| } |
| |
| public Builder setReporter(Reporter reporter) { |
| this.reporter = reporter; |
| return this; |
| } |
| |
| public StartupProfile build() { |
| return new StartupProfile(startupItems); |
| } |
| } |
| } |