Add FeatureSpecification.

RELNOTES: None.
PiperOrigin-RevId: 157450873

1 files changed, 36 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/FeatureSpecification.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/FeatureSpecification.java
new file mode 100644
index 0000000000..dfc563165b
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/FeatureSpecification.java
@@ -0,0 +1,36 @@
+// Copyright 2014 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.rules.cpp;
+
+import com.google.auto.value.AutoValue;
+import com.google.common.collect.ImmutableSet;
+
+/**
+ * Object encapsulating which additional toolchain features should be enabled and/or disabled.
+ */
+@AutoValue
+public abstract class FeatureSpecification {
+
+  public static final FeatureSpecification EMPTY =
+      create(ImmutableSet.<String>of(), ImmutableSet.<String>of());
+
+  public static final FeatureSpecification create(
+      ImmutableSet<String> requestedFeatures, ImmutableSet<String> unsupportedFeatures) {
+    return new AutoValue_FeatureSpecification(requestedFeatures, unsupportedFeatures);
+  }
+
+  public abstract ImmutableSet<String> getRequestedFeatures();
+
+  public abstract ImmutableSet<String> getUnsupportedFeatures();
+}