Update from Google.

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MOE_MIGRATED_REVID=85702957

1 files changed, 51 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/LinkerInput.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/LinkerInput.java
new file mode 100644
index 0000000000..15a8b90c7f
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/LinkerInput.java
@@ -0,0 +1,51 @@
+// 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.devtools.build.lib.actions.Artifact;
+
+/**
+ * Something that appears on the command line of the linker. Since we sometimes expand archive
+ * files to their constituent object files, we need to keep information whether a certain file
+ * contains embedded objects and if so, the list of the object files themselves.
+ */
+public interface LinkerInput {
+  /**
+   * Returns the artifact that is the input of the linker.
+   */
+  Artifact getArtifact();
+
+  /**
+   * Returns the original library to link. If this library is a solib symlink, returns the
+   * artifact the symlink points to, otherwise, the library itself.
+   */
+  Artifact getOriginalLibraryArtifact();
+
+  /**
+   * Whether the input artifact contains object files or is opaque.
+   */
+  boolean containsObjectFiles();
+
+  /**
+   * Returns whether the input artifact is a fake object file or not.
+   */
+  boolean isFake();
+
+  /**
+   * Return the list of object files included in the input artifact, if there are any. It is
+   * legal to call this only when {@link #containsObjectFiles()} returns true.
+   */
+  Iterable<Artifact> getObjectFiles();
+}