| // Copyright 2017 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.skyframe.packages; |
| |
| import com.google.common.base.Suppliers; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.devtools.build.lib.bazel.rules.BazelRuleClassProvider; |
| import com.google.devtools.build.lib.packages.PackageFactory.EnvironmentExtension; |
| import com.google.devtools.build.lib.packages.RuleClassProvider; |
| import com.google.devtools.build.lib.rules.repository.LocalRepositoryFunction; |
| import com.google.devtools.build.lib.rules.repository.LocalRepositoryRule; |
| import com.google.devtools.build.lib.rules.repository.RepositoryDelegatorFunction; |
| import com.google.devtools.build.lib.rules.repository.RepositoryFunction; |
| import com.google.devtools.build.lib.rules.repository.RepositoryLoaderFunction; |
| import com.google.devtools.build.lib.runtime.proto.InvocationPolicyOuterClass.InvocationPolicy; |
| import com.google.devtools.build.lib.skyframe.BazelSkyframeExecutorConstants; |
| import com.google.devtools.build.lib.skyframe.LocalRepositoryLookupFunction; |
| import com.google.devtools.build.lib.skyframe.PackageFunction.ActionOnIOExceptionReadingBuildFile; |
| import com.google.devtools.build.lib.skyframe.PackageLookupFunction.CrossRepositoryLabelViolationStrategy; |
| import com.google.devtools.build.lib.skyframe.PackageLookupValue.BuildFileName; |
| import com.google.devtools.build.lib.skyframe.PrecomputedValue; |
| import com.google.devtools.build.lib.skyframe.SkyFunctions; |
| import com.google.devtools.build.lib.vfs.Path; |
| import com.google.devtools.build.skyframe.SkyFunction; |
| import com.google.devtools.build.skyframe.SkyFunctionName; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| /** |
| * Concrete implementation of {@link PackageLoader} that uses skyframe under the covers, but with |
| * no caching or incrementality. |
| */ |
| public class BazelPackageLoader extends AbstractPackageLoader { |
| /** Returns a fresh {@link Builder} instance. */ |
| public static Builder builder(Path workspaceDir) { |
| Builder builder = new Builder(workspaceDir); |
| |
| // Set up SkyFunctions and PrecomputedValues needed to make local repositories work correctly. |
| ImmutableMap<String, RepositoryFunction> repositoryHandlers = |
| ImmutableMap.of( |
| LocalRepositoryRule.NAME, (RepositoryFunction) new LocalRepositoryFunction()); |
| |
| builder.addExtraSkyFunctions( |
| ImmutableMap.<SkyFunctionName, SkyFunction>of( |
| SkyFunctions.LOCAL_REPOSITORY_LOOKUP, |
| new LocalRepositoryLookupFunction(), |
| SkyFunctions.REPOSITORY_DIRECTORY, |
| new RepositoryDelegatorFunction( |
| repositoryHandlers, |
| null, |
| new AtomicBoolean(true), |
| ImmutableMap::of, |
| builder.directories), |
| SkyFunctions.REPOSITORY, |
| new RepositoryLoaderFunction())); |
| |
| // Set extra precomputed values. |
| builder.addExtraPrecomputedValues( |
| PrecomputedValue.injected( |
| RepositoryDelegatorFunction.REPOSITORY_OVERRIDES, |
| Suppliers.ofInstance(ImmutableMap.of()))); |
| |
| return builder; |
| } |
| |
| /** Builder for {@link BazelPackageLoader} instances. */ |
| public static class Builder extends AbstractPackageLoader.Builder { |
| private Builder(Path workspaceDir) { |
| super(workspaceDir); |
| } |
| |
| @Override |
| public BazelPackageLoader buildImpl() { |
| return new BazelPackageLoader(this); |
| } |
| |
| @Override |
| protected RuleClassProvider getDefaultRuleClassProvider() { |
| return BazelRuleClassProvider.create(); |
| } |
| |
| @Override |
| protected String getDefaultDefaultPackageContents() { |
| return BazelRuleClassProvider.create().getDefaultsPackageContent( |
| InvocationPolicy.getDefaultInstance()); |
| } |
| } |
| |
| private BazelPackageLoader(Builder builder) { |
| super(builder); |
| } |
| |
| @Override |
| protected String getName() { |
| return "BazelPackageLoader"; |
| } |
| |
| @Override |
| protected ImmutableList<EnvironmentExtension> getEnvironmentExtensions() { |
| return ImmutableList.of(); |
| } |
| |
| @Override |
| protected CrossRepositoryLabelViolationStrategy getCrossRepositoryLabelViolationStrategy() { |
| return BazelSkyframeExecutorConstants.CROSS_REPOSITORY_LABEL_VIOLATION_STRATEGY; |
| } |
| |
| @Override |
| protected ImmutableList<BuildFileName> getBuildFilesByPriority() { |
| return BazelSkyframeExecutorConstants.BUILD_FILES_BY_PRIORITY; |
| } |
| |
| @Override |
| protected ActionOnIOExceptionReadingBuildFile getActionOnIOExceptionReadingBuildFile() { |
| return BazelSkyframeExecutorConstants.ACTION_ON_IO_EXCEPTION_READING_BUILD_FILE; |
| } |
| } |