1 files changed, 88 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/standalone/DummyIncludeScanningContextProvider.java b/src/main/java/com/google/devtools/build/lib/standalone/DummyIncludeScanningContextProvider.java
new file mode 100644
index 0000000000..2c92f75c9e
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/standalone/DummyIncludeScanningContextProvider.java
@@ -0,0 +1,88 @@
+// Copyright 2018 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.devtools.build.lib.actions.Action;
+import com.google.devtools.build.lib.actions.ActionContext;
+import com.google.devtools.build.lib.actions.ActionExecutionContext;
+import com.google.devtools.build.lib.actions.ActionExecutionException;
+import com.google.devtools.build.lib.actions.Artifact;
+import com.google.devtools.build.lib.actions.ArtifactResolver;
+import com.google.devtools.build.lib.actions.ExecException;
+import com.google.devtools.build.lib.actions.ExecutionStrategy;
+import com.google.devtools.build.lib.exec.ActionContextProvider;
+import com.google.devtools.build.lib.rules.cpp.CppCompileAction;
+import com.google.devtools.build.lib.rules.cpp.CppIncludeExtractionContext;
+import com.google.devtools.build.lib.rules.cpp.CppIncludeScanningContext;
+import com.google.devtools.build.lib.rules.cpp.IncludeProcessing;
+import com.google.devtools.build.lib.runtime.CommandEnvironment;
+import com.google.devtools.build.lib.vfs.FileSystemUtils;
+import java.io.IOException;
+import javax.annotation.Nullable;
+
+/**
+ * Provide a standalone, local execution context.
+ */
+public class DummyIncludeScanningContextProvider extends ActionContextProvider {
+
+  /**
+   * An IncludeExtractionContext that does nothing. Since local execution does not need to discover
+   * inclusion in advance, we do not need include scanning.
+   */
+  @ExecutionStrategy(contextType = CppIncludeExtractionContext.class)
+  class DummyCppIncludeExtractionContext implements CppIncludeExtractionContext {
+    @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.getSkyframeBuildView().getArtifactFactory();
+    }
+  }
+
+  /** A CppIncludeScanningContext that does nothing. */
+  @ExecutionStrategy(contextType = CppIncludeScanningContext.class)
+  static class DummyCppIncludeScanningContext implements CppIncludeScanningContext {
+    @Override
+    @Nullable
+    public Iterable<Artifact> findAdditionalInputs(
+        CppCompileAction action,
+        ActionExecutionContext actionExecutionContext,
+        IncludeProcessing includeProcessing)
+        throws ExecException, InterruptedException, ActionExecutionException {
+      return null;
+    }
+  }
+
+  private final CommandEnvironment env;
+
+  public DummyIncludeScanningContextProvider(CommandEnvironment env) {
+    this.env = env;
+  }
+
+  @Override
+  public Iterable<? extends ActionContext> getActionContexts() {
+    return ImmutableList.of(
+        new DummyCppIncludeExtractionContext(),
+        new DummyCppIncludeScanningContext());
+  }
+}