| // Copyright 2015 The Bazel Authors. All rights reserved. |
| // |
| // 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 com.google.devtools.build.lib.rules.android; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.devtools.build.lib.actions.Artifact; |
| import com.google.devtools.build.lib.actions.MutableActionGraph.ActionConflictException; |
| import com.google.devtools.build.lib.analysis.ConfiguredAspect; |
| import com.google.devtools.build.lib.analysis.ConfiguredAspectFactory; |
| import com.google.devtools.build.lib.analysis.ConfiguredTarget; |
| import com.google.devtools.build.lib.analysis.RuleContext; |
| import com.google.devtools.build.lib.analysis.TransitiveInfoCollection; |
| import com.google.devtools.build.lib.cmdline.Label; |
| import com.google.devtools.build.lib.cmdline.RepositoryName; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSet; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder; |
| import com.google.devtools.build.lib.packages.AspectDefinition; |
| import com.google.devtools.build.lib.packages.AspectParameters; |
| import com.google.devtools.build.lib.packages.BuildType; |
| import com.google.devtools.build.lib.packages.NativeAspectClass; |
| import com.google.devtools.build.lib.packages.RuleClass.ConfiguredTargetFactory.RuleErrorException; |
| import com.google.devtools.build.lib.packages.StarlarkProviderIdentifier; |
| import com.google.devtools.build.lib.rules.java.JavaCommon; |
| import com.google.devtools.build.lib.rules.java.JavaInfo; |
| import java.util.ArrayList; |
| import java.util.List; |
| import javax.annotation.Nullable; |
| |
| /** |
| * An aspect that collects neverlink libraries in the transitive closure. |
| * |
| * <p>Used for determining the -libraryjars argument of the Proguard invocation in Android binaries. |
| * |
| * <p>One would think that using the compile time classpath would be enough, but alas, those are |
| * ijars, |
| */ |
| public class AndroidNeverlinkAspect extends NativeAspectClass implements ConfiguredAspectFactory { |
| public static final String NAME = "AndroidNeverlinkAspect"; |
| private static final ImmutableList<String> ATTRIBUTES = |
| ImmutableList.of( |
| "deps", "exports", "runtime_deps", "binary_under_test", "$instrumentation_test_runner"); |
| |
| @Override |
| @Nullable |
| public ConfiguredAspect create( |
| Label targetLabel, |
| ConfiguredTarget ct, |
| RuleContext ruleContext, |
| AspectParameters parameters, |
| RepositoryName toolsRepository) |
| throws ActionConflictException, InterruptedException { |
| if (!JavaCommon.getConstraints(ruleContext).contains("android") |
| && !ruleContext.getRule().getRuleClass().startsWith("android_")) { |
| return new ConfiguredAspect.Builder(ruleContext).build(); |
| } |
| |
| List<TransitiveInfoCollection> deps = new ArrayList<>(); |
| |
| // This is probably an overestimate, but it's fine -- Proguard doesn't care if there are more |
| // jars in -libraryjars than is required. The alternative would be somehow getting |
| // JavaCommon.getDependencies() here, which would be fugly. |
| for (String attribute : ATTRIBUTES) { |
| if (!ruleContext.getRule().getRuleClassObject().hasAttr(attribute, BuildType.LABEL_LIST)) { |
| continue; |
| } |
| |
| deps.addAll(ruleContext.getPrerequisites(attribute)); |
| } |
| |
| NestedSetBuilder<Artifact> runtimeJars = NestedSetBuilder.naiveLinkOrder(); |
| try { |
| runtimeJars.addAll(JavaInfo.getJavaInfo(ct).getDirectRuntimeJars()); |
| } catch (RuleErrorException e) { |
| ruleContext.ruleError(e.getMessage()); |
| return null; |
| } |
| AndroidLibraryResourceClassJarProvider provider = |
| AndroidLibraryResourceClassJarProvider.getProvider(ct); |
| if (provider != null) { |
| runtimeJars.addTransitive(provider.getResourceClassJars()); |
| } |
| NestedSet<Artifact> neverLinkLibraries; |
| try { |
| neverLinkLibraries = |
| AndroidCommon.collectTransitiveNeverlinkLibraries(ruleContext, deps, runtimeJars.build()); |
| } catch (RuleErrorException e) { |
| ruleContext.ruleError(e.getMessage()); |
| return null; |
| } |
| return new ConfiguredAspect.Builder(ruleContext) |
| .addNativeDeclaredProvider(AndroidNeverLinkLibrariesProvider.create(neverLinkLibraries)) |
| .build(); |
| } |
| |
| @Override |
| public AspectDefinition getDefinition(AspectParameters aspectParameters) { |
| AspectDefinition.Builder builder = new AspectDefinition.Builder(this); |
| for (String attribute : ATTRIBUTES) { |
| builder.propagateAlongAttribute(attribute); |
| } |
| |
| return builder |
| .requireStarlarkProviders(StarlarkProviderIdentifier.forKey(JavaInfo.PROVIDER.getKey())) |
| .requireStarlarkProviders( |
| StarlarkProviderIdentifier.forKey(JavaInfo.PROVIDER.getKey()), |
| StarlarkProviderIdentifier.forKey( |
| AndroidLibraryResourceClassJarProvider.PROVIDER.getKey())) |
| .requiresConfigurationFragments() |
| .build(); |
| } |
| } |