1 files changed, 126 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/standalone/StandaloneContextProvider.java b/src/main/java/com/google/devtools/build/lib/standalone/StandaloneContextProvider.java
new file mode 100644
index 0000000000..dbfac2eb54
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/standalone/StandaloneContextProvider.java
@@ -0,0 +1,126 @@
+// Copyright 2014 Google Inc. 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.ActionContextProvider;
+import com.google.devtools.build.lib.actions.ActionExecutionContext;
+import com.google.devtools.build.lib.actions.ActionGraph;
+import com.google.devtools.build.lib.actions.ActionInputFileCache;
+import com.google.devtools.build.lib.actions.ActionMetadata;
+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.actions.ExecutorInitException;
+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.LocalGccStrategy;
+import com.google.devtools.build.lib.rules.cpp.LocalLinkStrategy;
+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.util.OS;
+import com.google.devtools.build.lib.vfs.FileSystemUtils;
+
+import java.io.IOException;
+
+/**
+ * Provide a standalone, local execution context.
+ */
+public class StandaloneContextProvider implements 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,
+        ActionMetadata resourceOwner, Artifact primaryInput, Artifact primaryOutput)
+        throws IOException, InterruptedException {
+      FileSystemUtils.writeContent(primaryOutput.getPath(), new byte[]{});
+    }
+
+    @Override
+    public ArtifactResolver getArtifactResolver() {
+      return runtime.getView().getArtifactFactory();
+    }
+  }
+
+  @SuppressWarnings("unchecked")
+  private final ActionContext localSpawnStrategy;
+  private final ImmutableList<ActionContext> strategies;
+  private final BlazeRuntime runtime;
+
+  public StandaloneContextProvider(
+      BlazeRuntime runtime, BuildRequest buildRequest) {
+    boolean verboseFailures = buildRequest.getOptions(ExecutionOptions.class).verboseFailures;
+
+    localSpawnStrategy = new LocalSpawnStrategy(
+        runtime.getDirectories().getExecRoot(), verboseFailures);
+    this.runtime = runtime;
+
+    TestActionContext testStrategy = new StandaloneTestStrategy(buildRequest,
+        runtime.getStartupOptionsProvider(), runtime.getBinTools(), runtime.getRunfilesPrefix());
+    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
+    
+    // put sandboxed strategy first, as we don't want it by default
+    if (OS.getCurrent() == OS.LINUX) {
+      LinuxSandboxedStrategy sandboxedLinuxStrategy =
+          new LinuxSandboxedStrategy(runtime.getDirectories(), verboseFailures);
+      strategiesBuilder.add(sandboxedLinuxStrategy);
+    }
+    strategiesBuilder.add(
+        localSpawnStrategy,
+        new DummyIncludeScanningContext(),
+        new LocalLinkStrategy(),
+        testStrategy,
+        new ExclusiveTestStrategy(testStrategy),
+        new LocalGccStrategy(buildRequest),
+        new FileWriteStrategy());
+  
+
+    this.strategies = strategiesBuilder.build();
+  }
+
+  @Override
+  public Iterable<ActionContext> getActionContexts() {
+    return strategies;
+  }
+
+  @Override
+  public void executorCreated(Iterable<ActionContext> usedContexts) throws ExecutorInitException {
+  }
+
+  @Override
+  public void executionPhaseStarting(
+      ActionInputFileCache actionInputFileCache,
+      ActionGraph actionGraph,
+      Iterable<Artifact> topLevelArtifacts) throws ExecutorInitException {
+  }
+
+  @Override
+  public void executionPhaseEnding()  {}
+}
+
+