| // Copyright 2014 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.standalone; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableList.Builder; |
| import com.google.devtools.build.lib.actions.Action; |
| import com.google.devtools.build.lib.actions.ActionContextProvider; |
| import com.google.devtools.build.lib.actions.ActionExecutionContext; |
| import com.google.devtools.build.lib.actions.Artifact; |
| import com.google.devtools.build.lib.actions.ArtifactResolver; |
| import com.google.devtools.build.lib.actions.ExecutionStrategy; |
| import com.google.devtools.build.lib.actions.Executor.ActionContext; |
| import com.google.devtools.build.lib.buildtool.BuildRequest; |
| import com.google.devtools.build.lib.exec.ExecutionOptions; |
| import com.google.devtools.build.lib.exec.FileWriteStrategy; |
| import com.google.devtools.build.lib.rules.cpp.IncludeScanningContext; |
| import com.google.devtools.build.lib.rules.cpp.SpawnGccStrategy; |
| import com.google.devtools.build.lib.rules.cpp.SpawnLinkStrategy; |
| import com.google.devtools.build.lib.rules.test.ExclusiveTestStrategy; |
| import com.google.devtools.build.lib.rules.test.StandaloneTestStrategy; |
| import com.google.devtools.build.lib.rules.test.TestActionContext; |
| import com.google.devtools.build.lib.runtime.BlazeRuntime; |
| import com.google.devtools.build.lib.runtime.CommandEnvironment; |
| import com.google.devtools.build.lib.vfs.FileSystemUtils; |
| |
| import java.io.IOException; |
| |
| /** |
| * Provide a standalone, local execution context. |
| */ |
| public class StandaloneActionContextProvider extends ActionContextProvider { |
| |
| /** |
| * a IncludeScanningContext that does nothing. Since local execution does not need to |
| * discover inclusion in advance, we do not need include scanning. |
| */ |
| @ExecutionStrategy(contextType = IncludeScanningContext.class) |
| class DummyIncludeScanningContext implements IncludeScanningContext { |
| @Override |
| public void extractIncludes( |
| ActionExecutionContext actionExecutionContext, |
| Action resourceOwner, |
| Artifact primaryInput, |
| Artifact primaryOutput) |
| throws IOException { |
| FileSystemUtils.writeContent(primaryOutput.getPath(), new byte[]{}); |
| } |
| |
| @Override |
| public ArtifactResolver getArtifactResolver() { |
| return env.getView().getArtifactFactory(); |
| } |
| } |
| |
| private final CommandEnvironment env; |
| private final ImmutableList<ActionContext> strategies; |
| |
| public StandaloneActionContextProvider(CommandEnvironment env, BuildRequest buildRequest) { |
| this.env = env; |
| BlazeRuntime runtime = env.getRuntime(); |
| boolean verboseFailures = buildRequest.getOptions(ExecutionOptions.class).verboseFailures; |
| |
| TestActionContext testStrategy = |
| new StandaloneTestStrategy( |
| buildRequest, runtime.getBinTools(), env.getClientEnv(), runtime.getWorkspace()); |
| |
| Builder<ActionContext> strategiesBuilder = ImmutableList.builder(); |
| |
| // Order of strategies passed to builder is significant - when there are many strategies that |
| // could potentially be used and a spawnActionContext doesn't specify which one it wants, the |
| // last one from strategies list will be used |
| strategiesBuilder.add( |
| new StandaloneSpawnStrategy(runtime.getExecRoot(), verboseFailures), |
| new DummyIncludeScanningContext(), |
| new SpawnLinkStrategy(), |
| new SpawnGccStrategy(), |
| testStrategy, |
| new ExclusiveTestStrategy(testStrategy), |
| new FileWriteStrategy()); |
| |
| this.strategies = strategiesBuilder.build(); |
| } |
| |
| @Override |
| public Iterable<ActionContext> getActionContexts() { |
| return strategies; |
| } |
| } |