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NativeBasePlugin.java
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NativeBasePlugin.java
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/*
* Copyright 2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.gradle.language.plugins;
import org.gradle.api.DomainObjectSet;
import org.gradle.api.Incubating;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.api.artifacts.Configuration;
import org.gradle.api.artifacts.ModuleVersionIdentifier;
import org.gradle.api.artifacts.dsl.DependencyHandler;
import org.gradle.api.artifacts.type.ArtifactTypeDefinition;
import org.gradle.api.attributes.Attribute;
import org.gradle.api.attributes.AttributeContainer;
import org.gradle.api.attributes.AttributeDisambiguationRule;
import org.gradle.api.attributes.MultipleCandidatesDetails;
import org.gradle.api.attributes.Usage;
import org.gradle.api.component.ComponentWithVariants;
import org.gradle.api.component.PublishableComponent;
import org.gradle.api.component.SoftwareComponent;
import org.gradle.api.component.SoftwareComponentContainer;
import org.gradle.api.file.DirectoryProperty;
import org.gradle.api.file.FileCollection;
import org.gradle.api.file.RegularFile;
import org.gradle.api.internal.artifacts.configurations.ConfigurationRolesForMigration;
import org.gradle.api.internal.artifacts.configurations.RoleBasedConfigurationContainerInternal;
import org.gradle.api.internal.artifacts.transform.UnzipTransform;
import org.gradle.api.internal.project.ProjectInternal;
import org.gradle.api.model.ObjectFactory;
import org.gradle.api.plugins.ExtensionContainer;
import org.gradle.api.provider.Provider;
import org.gradle.api.publish.PublishingExtension;
import org.gradle.api.publish.maven.MavenPublication;
import org.gradle.api.publish.maven.internal.publication.MavenPublicationInternal;
import org.gradle.api.publish.maven.internal.publisher.MavenPublicationCoordinates;
import org.gradle.api.tasks.TaskContainer;
import org.gradle.api.tasks.TaskProvider;
import org.gradle.internal.Cast;
import org.gradle.language.ComponentWithBinaries;
import org.gradle.language.ComponentWithOutputs;
import org.gradle.language.ComponentWithTargetMachines;
import org.gradle.language.ProductionComponent;
import org.gradle.language.base.plugins.LifecycleBasePlugin;
import org.gradle.language.nativeplatform.internal.ComponentWithNames;
import org.gradle.language.nativeplatform.internal.ConfigurableComponentWithExecutable;
import org.gradle.language.nativeplatform.internal.ConfigurableComponentWithLinkUsage;
import org.gradle.language.nativeplatform.internal.ConfigurableComponentWithRuntimeUsage;
import org.gradle.language.nativeplatform.internal.ConfigurableComponentWithSharedLibrary;
import org.gradle.language.nativeplatform.internal.ConfigurableComponentWithStaticLibrary;
import org.gradle.language.nativeplatform.internal.Names;
import org.gradle.language.nativeplatform.internal.PublicationAwareComponent;
import org.gradle.nativeplatform.Linkage;
import org.gradle.nativeplatform.TargetMachine;
import org.gradle.nativeplatform.TargetMachineFactory;
import org.gradle.nativeplatform.internal.DefaultTargetMachineFactory;
import org.gradle.nativeplatform.platform.NativePlatform;
import org.gradle.nativeplatform.tasks.AbstractLinkTask;
import org.gradle.nativeplatform.tasks.CreateStaticLibrary;
import org.gradle.nativeplatform.tasks.ExtractSymbols;
import org.gradle.nativeplatform.tasks.InstallExecutable;
import org.gradle.nativeplatform.tasks.LinkExecutable;
import org.gradle.nativeplatform.tasks.LinkSharedLibrary;
import org.gradle.nativeplatform.tasks.StripSymbols;
import org.gradle.nativeplatform.toolchain.NativeToolChain;
import org.gradle.nativeplatform.toolchain.internal.PlatformToolProvider;
import javax.inject.Inject;
import java.util.Collections;
import java.util.Set;
import java.util.concurrent.Callable;
import static org.gradle.api.artifacts.type.ArtifactTypeDefinition.DIRECTORY_TYPE;
import static org.gradle.api.artifacts.type.ArtifactTypeDefinition.ZIP_TYPE;
import static org.gradle.language.cpp.CppBinary.LINKAGE_ATTRIBUTE;
/**
* A common base plugin for the native plugins.
*
* <p>Expects plugins to register the native components in the {@link Project#getComponents()} container, and defines a number of rules that act on these components to configure them.</p>
*
* <ul>
*
* <li>Configures the {@value LifecycleBasePlugin#ASSEMBLE_TASK_NAME} task to build the development binary of the main component, if present. Expects the main component to be of type {@link ProductionComponent} and {@link ComponentWithBinaries}.</li>
*
* <li>Adds an {@code "assemble"} task for each binary of the main component.</li>
*
* <li>Adds tasks to compile and link an executable. Currently requires component implements internal API {@link ConfigurableComponentWithExecutable}.</li>
*
* <li>Adds tasks to compile and link a shared library. Currently requires component implements internal API {@link ConfigurableComponentWithSharedLibrary}.</li>
*
* <li>Adds tasks to compile and create a static library. Currently requires component implements internal API {@link ConfigurableComponentWithStaticLibrary}.</li>
*
* <li>Adds outgoing configuration and artifacts for link file. Currently requires component implements internal API {@link ConfigurableComponentWithLinkUsage}.</li>
*
* <li>Adds outgoing configuration and artifacts for runtime file. Currently requires component implements internal API {@link ConfigurableComponentWithRuntimeUsage}.</li>
*
* <li>Maven publications. Currently requires component implements internal API {@link PublicationAwareComponent}.</li>
*
* <li>Adds {@link TargetMachineFactory} for configuring {@link TargetMachine}.</li>
*
* </ul>
*
* @since 4.5
*/
@Incubating
public abstract class NativeBasePlugin implements Plugin<Project> {
private final TargetMachineFactory targetMachineFactory;
@Inject
public NativeBasePlugin(TargetMachineFactory targetMachineFactory) {
this.targetMachineFactory = targetMachineFactory;
}
@Override
public void apply(final Project project) {
project.getPluginManager().apply(LifecycleBasePlugin.class);
addTargetMachineFactoryAsExtension(project.getExtensions(), targetMachineFactory);
final TaskContainer tasks = project.getTasks();
final DirectoryProperty buildDirectory = project.getLayout().getBuildDirectory();
final SoftwareComponentContainer components = project.getComponents();
addLifecycleTasks(project, tasks, components);
// Add tasks to build various kinds of components
addTasksForComponentWithExecutable(tasks, buildDirectory, components);
addTasksForComponentWithSharedLibrary(tasks, buildDirectory, components);
addTasksForComponentWithStaticLibrary(tasks, buildDirectory, components);
// Add incoming artifact transforms
final DependencyHandler dependencyHandler = project.getDependencies();
final ObjectFactory objects = project.getObjects();
addHeaderZipTransform(dependencyHandler, objects);
// Add outgoing configurations and publications
final RoleBasedConfigurationContainerInternal configurations = ((ProjectInternal) project).getConfigurations();
project.getDependencies().getAttributesSchema().attribute(LINKAGE_ATTRIBUTE).getDisambiguationRules().add(LinkageSelectionRule.class);
addOutgoingConfigurationForLinkUsage(components, configurations);
addOutgoingConfigurationForRuntimeUsage(components, configurations);
addPublicationsFromVariants(project, components);
}
private static void addTargetMachineFactoryAsExtension(ExtensionContainer extensions, TargetMachineFactory targetMachineFactory) {
extensions.add(TargetMachineFactory.class, "machines", targetMachineFactory);
}
private void addLifecycleTasks(final Project project, final TaskContainer tasks, final SoftwareComponentContainer components) {
components.withType(ComponentWithBinaries.class, component -> {
// Register each child of each component
component.getBinaries().whenElementKnown(binary -> components.add(binary));
if (component instanceof ProductionComponent) {
// Add an assemble task for each binary and also wire the development binary in to the `assemble` task
component.getBinaries().whenElementFinalized(ComponentWithOutputs.class, binary -> {
// Determine which output to produce at development time.
final FileCollection outputs = binary.getOutputs();
Names names = ((ComponentWithNames) binary).getNames();
tasks.register(names.getTaskName("assemble"), task -> task.dependsOn(outputs));
if (binary == ((ProductionComponent) component).getDevelopmentBinary().get()) {
tasks.named(LifecycleBasePlugin.ASSEMBLE_TASK_NAME, task -> task.dependsOn(outputs));
}
});
}
if (component instanceof ComponentWithTargetMachines) {
ComponentWithTargetMachines componentWithTargetMachines = (ComponentWithTargetMachines)component;
tasks.named(LifecycleBasePlugin.ASSEMBLE_TASK_NAME, task -> {
task.dependsOn((Callable) () -> {
TargetMachine currentHost = ((DefaultTargetMachineFactory)targetMachineFactory).host();
boolean targetsCurrentMachine = componentWithTargetMachines.getTargetMachines().get().stream().anyMatch(targetMachine -> currentHost.getOperatingSystemFamily().equals(targetMachine.getOperatingSystemFamily()));
if (!targetsCurrentMachine) {
task.getLogger().warn("'" + component.getName() + "' component in project '" + project.getPath() + "' does not target this operating system.");
}
return Collections.emptyList();
});
});
}
});
}
private void addTasksForComponentWithExecutable(final TaskContainer tasks, final DirectoryProperty buildDirectory, SoftwareComponentContainer components) {
components.withType(ConfigurableComponentWithExecutable.class, executable -> {
final Names names = executable.getNames();
final NativeToolChain toolChain = executable.getToolChain();
final NativePlatform targetPlatform = executable.getNativePlatform();
final PlatformToolProvider toolProvider = executable.getPlatformToolProvider();
// Add a link task
TaskProvider<LinkExecutable> link = tasks.register(names.getTaskName("link"), LinkExecutable.class, task -> {
task.source(executable.getObjects());
task.lib(executable.getLinkLibraries());
task.getLinkedFile().set(buildDirectory.file(executable.getBaseName().map(baseName -> toolProvider.getExecutableName("exe/" + names.getDirName() + baseName))));
task.getTargetPlatform().set(targetPlatform);
task.getToolChain().set(toolChain);
task.getDebuggable().set(executable.isDebuggable());
});
executable.getLinkTask().set(link);
executable.getDebuggerExecutableFile().set(link.flatMap(linkExecutable -> linkExecutable.getLinkedFile()));
if (executable.isDebuggable() && executable.isOptimized() && toolProvider.requiresDebugBinaryStripping()) {
Provider<RegularFile> symbolLocation = buildDirectory.file(
executable.getBaseName().map(baseName -> toolProvider.getExecutableSymbolFileName("exe/" + names.getDirName() + "stripped/" + baseName)));
Provider<RegularFile> strippedLocation = buildDirectory.file(
executable.getBaseName().map(baseName -> toolProvider.getExecutableName("exe/" + names.getDirName() + "stripped/" + baseName)));
TaskProvider<StripSymbols> stripSymbols = stripSymbols(link, names, tasks, toolChain, targetPlatform, strippedLocation);
executable.getExecutableFile().set(stripSymbols.flatMap(task -> task.getOutputFile()));
TaskProvider<ExtractSymbols> extractSymbols = extractSymbols(link, names, tasks, toolChain, targetPlatform, symbolLocation);
executable.getOutputs().from(extractSymbols.flatMap(task -> task.getSymbolFile()));
executable.getExecutableFileProducer().set(stripSymbols);
} else {
executable.getExecutableFile().set(link.flatMap(task -> task.getLinkedFile()));
executable.getExecutableFileProducer().set(link);
}
// Add an install task
// TODO - should probably not add this for all executables?
// TODO - add stripped symbols to the installation
final TaskProvider<InstallExecutable> install = tasks.register(names.getTaskName("install"), InstallExecutable.class, task -> {
task.getTargetPlatform().set(targetPlatform);
task.getToolChain().set(toolChain);
task.getInstallDirectory().set(buildDirectory.dir("install/" + names.getDirName()));
task.getExecutableFile().set(executable.getExecutableFile());
task.lib(executable.getRuntimeLibraries());
});
executable.getInstallTask().set(install);
executable.getInstallDirectory().set(install.flatMap(task -> task.getInstallDirectory()));
executable.getOutputs().from(executable.getInstallDirectory());
executable.getDebuggerExecutableFile().set(install.flatMap(task -> task.getInstalledExecutable()));
});
}
private void addTasksForComponentWithSharedLibrary(final TaskContainer tasks, final DirectoryProperty buildDirectory, SoftwareComponentContainer components) {
components.withType(ConfigurableComponentWithSharedLibrary.class, library -> {
final Names names = library.getNames();
final NativePlatform targetPlatform = library.getNativePlatform();
final NativeToolChain toolChain = library.getToolChain();
final PlatformToolProvider toolProvider = library.getPlatformToolProvider();
// Add a link task
final TaskProvider<LinkSharedLibrary> link = tasks.register(names.getTaskName("link"), LinkSharedLibrary.class, task -> {
task.source(library.getObjects());
task.lib(library.getLinkLibraries());
task.getLinkedFile().set(buildDirectory.file(library.getBaseName().map(baseName -> toolProvider.getSharedLibraryName("lib/" + names.getDirName() + baseName))));
// TODO: We should set this for macOS, but this currently breaks XCTest support for Swift
// when Swift depends on C++ libraries built by Gradle.
if (!targetPlatform.getOperatingSystem().isMacOsX()) {
Provider<String> installName = task.getLinkedFile().getLocationOnly().map(linkedFile -> linkedFile.getAsFile().getName());
task.getInstallName().set(installName);
}
task.getTargetPlatform().set(targetPlatform);
task.getToolChain().set(toolChain);
task.getDebuggable().set(library.isDebuggable());
});
Provider<RegularFile> linkFile = link.flatMap(task -> task.getLinkedFile());
Provider<RegularFile> runtimeFile = link.flatMap(task -> task.getLinkedFile());
Provider<? extends Task> linkFileTask = link;
if (toolProvider.producesImportLibrary()) {
link.configure(linkSharedLibrary -> {
linkSharedLibrary.getImportLibrary().set(buildDirectory.file(
library.getBaseName().map(baseName -> toolProvider.getImportLibraryName("lib/" + names.getDirName() + baseName))));
});
linkFile = link.flatMap(task -> task.getImportLibrary());
}
if (library.isDebuggable() && library.isOptimized() && toolProvider.requiresDebugBinaryStripping()) {
Provider<RegularFile> symbolLocation = buildDirectory.file(
library.getBaseName().map(baseName -> toolProvider.getLibrarySymbolFileName("lib/" + names.getDirName() + "stripped/" + baseName)));
Provider<RegularFile> strippedLocation = buildDirectory.file(
library.getBaseName().map(baseName -> toolProvider.getSharedLibraryName("lib/" + names.getDirName() + "stripped/" + baseName)));
TaskProvider<StripSymbols> stripSymbols = stripSymbols(link, names, tasks, toolChain, targetPlatform, strippedLocation);
linkFile = runtimeFile = stripSymbols.flatMap(task -> task.getOutputFile());
TaskProvider<ExtractSymbols> extractSymbols = extractSymbols(link, names, tasks, toolChain, targetPlatform, symbolLocation);
library.getOutputs().from(extractSymbols.flatMap(task -> task.getSymbolFile()));
linkFileTask = stripSymbols;
}
library.getLinkTask().set(link);
library.getLinkFile().set(linkFile);
library.getLinkFileProducer().set(linkFileTask);
library.getRuntimeFile().set(runtimeFile);
library.getOutputs().from(library.getLinkFile());
library.getOutputs().from(library.getRuntimeFile());
});
}
private void addTasksForComponentWithStaticLibrary(final TaskContainer tasks, final DirectoryProperty buildDirectory, SoftwareComponentContainer components) {
components.withType(ConfigurableComponentWithStaticLibrary.class, library -> {
final Names names = library.getNames();
// Add a create task
final TaskProvider<CreateStaticLibrary> createTask = tasks.register(names.getTaskName("create"), CreateStaticLibrary.class, task -> {
task.source(library.getObjects());
final PlatformToolProvider toolProvider = library.getPlatformToolProvider();
Provider<RegularFile> linktimeFile = buildDirectory.file(
library.getBaseName().map(baseName -> toolProvider.getStaticLibraryName("lib/" + names.getDirName() + baseName)));
task.getOutputFile().set(linktimeFile);
task.getTargetPlatform().set(library.getNativePlatform());
task.getToolChain().set(library.getToolChain());
});
// Wire the task into the library model
library.getLinkFile().set(createTask.flatMap(task -> task.getBinaryFile()));
library.getLinkFileProducer().set(createTask);
library.getCreateTask().set(createTask);
library.getOutputs().from(library.getLinkFile());
});
}
private void addOutgoingConfigurationForLinkUsage(SoftwareComponentContainer components, final RoleBasedConfigurationContainerInternal configurations) {
components.withType(ConfigurableComponentWithLinkUsage.class, component -> {
Names names = component.getNames();
Configuration linkElements = configurations.migratingUnlocked(names.withSuffix("linkElements"), ConfigurationRolesForMigration.CONSUMABLE_DEPENDENCY_SCOPE_TO_CONSUMABLE);
linkElements.extendsFrom(component.getImplementationDependencies());
AttributeContainer attributes = component.getLinkAttributes();
copyAttributesTo(attributes, linkElements);
linkElements.getOutgoing().artifact(component.getLinkFile());
component.getLinkElements().set(linkElements);
});
}
private void addOutgoingConfigurationForRuntimeUsage(SoftwareComponentContainer components, final RoleBasedConfigurationContainerInternal configurations) {
components.withType(ConfigurableComponentWithRuntimeUsage.class, component -> {
Names names = component.getNames();
Configuration runtimeElements = configurations.migratingUnlocked(names.withSuffix("runtimeElements"), ConfigurationRolesForMigration.CONSUMABLE_DEPENDENCY_SCOPE_TO_CONSUMABLE);
runtimeElements.extendsFrom(component.getImplementationDependencies());
AttributeContainer attributes = component.getRuntimeAttributes();
copyAttributesTo(attributes, runtimeElements);
if (component.hasRuntimeFile()) {
runtimeElements.getOutgoing().artifact(component.getRuntimeFile());
}
component.getRuntimeElements().set(runtimeElements);
});
}
private void addPublicationsFromVariants(final Project project, final SoftwareComponentContainer components) {
project.getPluginManager().withPlugin("maven-publish", plugin -> {
components.withType(PublicationAwareComponent.class, component -> {
project.getExtensions().configure(PublishingExtension.class, publishing -> {
final ComponentWithVariants mainVariant = component.getMainPublication();
publishing.getPublications().create("main", MavenPublication.class, publication -> {
MavenPublicationInternal publicationInternal = (MavenPublicationInternal) publication;
publicationInternal.getPom().getCoordinates().getArtifactId().set(component.getBaseName());
publicationInternal.from(mainVariant);
publicationInternal.publishWithOriginalFileName();
});
Set<? extends SoftwareComponent> variants = mainVariant.getVariants();
if (variants instanceof DomainObjectSet) {
((DomainObjectSet<? extends SoftwareComponent>) variants).all(child -> addPublicationFromVariant(child, publishing, project));
} else {
for (SoftwareComponent variant : variants) {
addPublicationFromVariant(variant, publishing, project);
}
}
});
});
});
}
private void addPublicationFromVariant(SoftwareComponent child, PublishingExtension publishing, Project project) {
if (child instanceof PublishableComponent) {
publishing.getPublications().create(child.getName(), MavenPublication.class, publication -> {
MavenPublicationInternal publicationInternal = (MavenPublicationInternal) publication;
fillInCoordinates(project, publicationInternal, (PublishableComponent) child);
publicationInternal.from(child);
publicationInternal.publishWithOriginalFileName();
});
}
}
private void fillInCoordinates(Project project, MavenPublicationInternal publication, PublishableComponent publishableComponent) {
final ModuleVersionIdentifier coordinates = publishableComponent.getCoordinates();
MavenPublicationCoordinates pomCoordinates = publication.getPom().getCoordinates();
pomCoordinates.getGroupId().set(project.provider(() -> coordinates.getGroup()));
pomCoordinates.getArtifactId().set(project.provider(() -> coordinates.getName()));
pomCoordinates.getVersion().set(project.provider(() -> coordinates.getVersion()));
}
private void copyAttributesTo(AttributeContainer attributes, Configuration linkElements) {
for (Attribute<?> attribute : attributes.keySet()) {
Object value = attributes.getAttribute(attribute);
linkElements.getAttributes().attribute(Cast.<Attribute<Object>>uncheckedCast(attribute), value);
}
}
private TaskProvider<StripSymbols> stripSymbols(final TaskProvider<? extends AbstractLinkTask> link, Names names, TaskContainer tasks, final NativeToolChain toolChain, final NativePlatform currentPlatform, final Provider<RegularFile> strippedLocation) {
return tasks.register(names.getTaskName("stripSymbols"), StripSymbols.class, stripSymbols -> {
stripSymbols.getBinaryFile().set(link.flatMap(task -> task.getLinkedFile()));
stripSymbols.getOutputFile().set(strippedLocation);
stripSymbols.getTargetPlatform().set(currentPlatform);
stripSymbols.getToolChain().set(toolChain);
});
}
private TaskProvider<ExtractSymbols> extractSymbols(final TaskProvider<? extends AbstractLinkTask> link, Names names, TaskContainer tasks, final NativeToolChain toolChain, final NativePlatform currentPlatform, final Provider<RegularFile> symbolLocation) {
return tasks.register(names.getTaskName("extractSymbols"), ExtractSymbols.class, extractSymbols -> {
extractSymbols.getBinaryFile().set(link.flatMap(task -> task.getLinkedFile()));
extractSymbols.getSymbolFile().set(symbolLocation);
extractSymbols.getTargetPlatform().set(currentPlatform);
extractSymbols.getToolChain().set(toolChain);
});
}
private void addHeaderZipTransform(DependencyHandler dependencyHandler, ObjectFactory objects) {
dependencyHandler.registerTransform(UnzipTransform.class, variantTransform -> {
variantTransform.getFrom().attribute(ArtifactTypeDefinition.ARTIFACT_TYPE_ATTRIBUTE, ZIP_TYPE);
variantTransform.getFrom().attribute(Usage.USAGE_ATTRIBUTE, objects.named(Usage.class, Usage.C_PLUS_PLUS_API));
variantTransform.getTo().attribute(ArtifactTypeDefinition.ARTIFACT_TYPE_ATTRIBUTE, DIRECTORY_TYPE);
variantTransform.getTo().attribute(Usage.USAGE_ATTRIBUTE, objects.named(Usage.class, Usage.C_PLUS_PLUS_API));
});
}
static class LinkageSelectionRule implements AttributeDisambiguationRule<Linkage> {
@Override
public void execute(MultipleCandidatesDetails<Linkage> details) {
if (details.getCandidateValues().contains(Linkage.SHARED)) {
details.closestMatch(Linkage.SHARED);
}
}
}
}