Update from Google.

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MOE_MIGRATED_REVID=85702957

1 files changed, 85 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/CppRunfilesProvider.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/CppRunfilesProvider.java
new file mode 100644
index 0000000000..f4aa38cb1f
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/CppRunfilesProvider.java
@@ -0,0 +1,85 @@
+// 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.base.Function;
+import com.google.devtools.build.lib.analysis.Runfiles;
+import com.google.devtools.build.lib.analysis.TransitiveInfoCollection;
+import com.google.devtools.build.lib.analysis.TransitiveInfoProvider;
+import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
+
+/**
+ * Runfiles provider for C++ targets.
+ *
+ * <p>Contains two {@link Runfiles} objects: one for the eventual statically linked binary and
+ * one for the one that uses shared libraries. Data dependencies are present in both.
+ */
+@Immutable
+public final class CppRunfilesProvider implements TransitiveInfoProvider {
+  private final Runfiles staticRunfiles;
+  private final Runfiles sharedRunfiles;
+
+  public CppRunfilesProvider(Runfiles staticRunfiles, Runfiles sharedRunfiles) {
+    this.staticRunfiles = staticRunfiles;
+    this.sharedRunfiles = sharedRunfiles;
+  }
+
+  public Runfiles getStaticRunfiles() {
+    return staticRunfiles;
+  }
+
+  public Runfiles getSharedRunfiles() {
+    return sharedRunfiles;
+  }
+
+  /**
+   * Returns a function that gets the static C++ runfiles from a {@link TransitiveInfoCollection}
+   * or the empty runfiles instance if it does not contain that provider.
+   */
+  public static final Function<TransitiveInfoCollection, Runfiles> STATIC_RUNFILES =
+      new Function<TransitiveInfoCollection, Runfiles>() {
+        @Override
+        public Runfiles apply(TransitiveInfoCollection input) {
+          CppRunfilesProvider provider = input.getProvider(CppRunfilesProvider.class);
+          return provider == null
+              ? Runfiles.EMPTY
+              : provider.getStaticRunfiles();
+        }
+      };
+
+  /**
+   * Returns a function that gets the shared C++ runfiles from a {@link TransitiveInfoCollection}
+   * or the empty runfiles instance if it does not contain that provider.
+   */
+  public static final Function<TransitiveInfoCollection, Runfiles> SHARED_RUNFILES =
+      new Function<TransitiveInfoCollection, Runfiles>() {
+        @Override
+        public Runfiles apply(TransitiveInfoCollection input) {
+          CppRunfilesProvider provider = input.getProvider(CppRunfilesProvider.class);
+          return provider == null
+              ? Runfiles.EMPTY
+              : provider.getSharedRunfiles();
+        }
+      };
+
+  /**
+   * Returns a function that gets the C++ runfiles from a {@link TransitiveInfoCollection} or
+   * the empty runfiles instance if it does not contain that provider.
+   */
+  public static final Function<TransitiveInfoCollection, Runfiles> runfilesFunction(
+      boolean linkingStatically) {
+    return linkingStatically ? STATIC_RUNFILES : SHARED_RUNFILES;
+  }
+}