1 files changed, 96 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/LocalGccStrategy.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/LocalGccStrategy.java
new file mode 100644
index 0000000000..80ee23d70b
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/LocalGccStrategy.java
@@ -0,0 +1,96 @@
+// 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.rules.cpp;
+
+import com.google.common.collect.ImmutableList;
+import com.google.devtools.build.lib.actions.ActionExecutionContext;
+import com.google.devtools.build.lib.actions.ActionInput;
+import com.google.devtools.build.lib.actions.Artifact;
+import com.google.devtools.build.lib.actions.BaseSpawn;
+import com.google.devtools.build.lib.actions.ExecException;
+import com.google.devtools.build.lib.actions.ExecutionStrategy;
+import com.google.devtools.build.lib.actions.ResourceSet;
+import com.google.devtools.common.options.OptionsClassProvider;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Run gcc locally by delegating to spawn.
+ */
+@ExecutionStrategy(name = { "local" },
+          contextType = CppCompileActionContext.class)
+public class LocalGccStrategy implements CppCompileActionContext {
+  private static final Reply CANNED_REPLY = new Reply() {
+    @Override
+    public byte[] getContents() {
+      throw new IllegalStateException("Remotely computed data requested for local action");
+    }
+  };
+
+  public LocalGccStrategy(OptionsClassProvider options) {
+  }
+
+  @Override
+  public String strategyLocality() {
+    return "local";
+  }
+
+  public static void updateEnv(CppCompileAction action, Map<String, String> env) {
+    // We cannot locally execute an action that does not expect to output a .d file, since we would
+    // have no way to tell what files that it included were used during compilation.
+    env.put("INTERCEPT_LOCALLY_EXECUTABLE", action.getDotdFile().artifact() == null ? "0" : "1");
+  }
+
+  @Override
+  public boolean needsIncludeScanning() {
+    return false;
+  }
+
+  @Override
+  public Collection<? extends ActionInput> findAdditionalInputs(CppCompileAction action,
+      ActionExecutionContext actionExecutionContext) throws ExecException, InterruptedException {
+    return ImmutableList.of();
+  }
+
+  @Override
+  public CppCompileActionContext.Reply execWithReply(
+      CppCompileAction action, ActionExecutionContext actionExecutionContext)
+      throws ExecException, InterruptedException {
+    Map<String, String> env = new HashMap<>();
+    env.putAll(action.getEnvironment());
+    updateEnv(action, env);
+    actionExecutionContext.getExecutor().getSpawnActionContext(action.getMnemonic())
+        .exec(new BaseSpawn.Local(action.getArgv(), env, action),
+            actionExecutionContext);
+    return null;
+  }
+
+  @Override
+  public ResourceSet estimateResourceConsumption(CppCompileAction action) {
+    return action.estimateResourceConsumptionLocal();
+  }
+
+  @Override
+  public Collection<Artifact> getScannedIncludeFiles(
+      CppCompileAction action, ActionExecutionContext actionExecutionContext) {
+    return ImmutableList.of();
+  }
+
+  @Override
+  public Reply getReplyFromException(ExecException e, CppCompileAction action) {
+    return CANNED_REPLY;
+  }
+}