Update from Google.
--
MOE_MIGRATED_REVID=85702957
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/PseudoAction.java b/src/main/java/com/google/devtools/build/lib/analysis/PseudoAction.java
new file mode 100644
index 0000000..00d43a3
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/analysis/PseudoAction.java
@@ -0,0 +1,95 @@
+// 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.analysis;
+
+import com.google.devtools.build.lib.actions.AbstractAction;
+import com.google.devtools.build.lib.actions.ActionExecutionContext;
+import com.google.devtools.build.lib.actions.ActionExecutionException;
+import com.google.devtools.build.lib.actions.ActionOwner;
+import com.google.devtools.build.lib.actions.Artifact;
+import com.google.devtools.build.lib.actions.Executor;
+import com.google.devtools.build.lib.actions.ResourceSet;
+import com.google.devtools.build.lib.actions.extra.ExtraActionInfo;
+import com.google.devtools.build.lib.util.Fingerprint;
+import com.google.protobuf.GeneratedMessage.GeneratedExtension;
+import com.google.protobuf.MessageLite;
+
+import java.util.Collection;
+import java.util.UUID;
+
+/**
+ * An action that is inserted into the build graph only to provide info
+ * about rules to extra_actions.
+ */
+public class PseudoAction<InfoType extends MessageLite> extends AbstractAction {
+
+ private final UUID uuid;
+ private final String mnemonic;
+ private final GeneratedExtension<ExtraActionInfo, InfoType> infoExtension;
+ private final InfoType info;
+
+ public PseudoAction(UUID uuid, ActionOwner owner,
+ Collection<Artifact> inputs, Collection<Artifact> outputs,
+ String mnemonic,
+ GeneratedExtension<ExtraActionInfo, InfoType> infoExtension, InfoType info) {
+ super(owner, inputs, outputs);
+ this.uuid = uuid;
+ this.mnemonic = mnemonic;
+ this.infoExtension = infoExtension;
+ this.info = info;
+ }
+
+ @Override
+ public String describeStrategy(Executor executor) {
+ return null;
+ }
+
+ @Override
+ public void execute(ActionExecutionContext actionExecutionContext)
+ throws ActionExecutionException {
+ throw new ActionExecutionException(
+ mnemonic + "ExtraAction should not be executed.", this, false);
+ }
+
+ @Override
+ public String getMnemonic() {
+ return mnemonic;
+ }
+
+ @Override
+ protected String computeKey() {
+ return new Fingerprint()
+ .addUUID(uuid)
+ .addBytes(info.toByteArray())
+ .hexDigestAndReset();
+ }
+
+ @Override
+ public ResourceSet estimateResourceConsumption(Executor executor) {
+ return ResourceSet.ZERO;
+ }
+
+ @Override
+ public ExtraActionInfo.Builder getExtraActionInfo() {
+ return super.getExtraActionInfo().setExtension(infoExtension, info);
+ }
+
+ public static Artifact getDummyOutput(RuleContext ruleContext) {
+ return ruleContext.getAnalysisEnvironment().getDerivedArtifact(
+ ruleContext.getLabel().toPathFragment().replaceName(
+ ruleContext.getLabel().getName() + ".extra_action_dummy"),
+ ruleContext.getConfiguration().getGenfilesDirectory());
+ }
+}
