Remove special handling of visibility dependencies in DependencyResolver.
This is done by allowing the analysis of a configured target with a null configuration to proceed a little further than before: we start the ConfiguredTargetFunction, but we short-circuit it as soon as we know that it won't work out.
RELNOTES: None.
PiperOrigin-RevId: 234465687
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/EmptyConfiguredTarget.java b/src/main/java/com/google/devtools/build/lib/analysis/EmptyConfiguredTarget.java
new file mode 100644
index 0000000..90ef920
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/analysis/EmptyConfiguredTarget.java
@@ -0,0 +1,42 @@
+// Copyright 2019 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.analysis;
+
+import com.google.devtools.build.lib.analysis.configuredtargets.AbstractConfiguredTarget;
+import com.google.devtools.build.lib.cmdline.Label;
+import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
+import com.google.devtools.build.lib.collect.nestedset.Order;
+import com.google.devtools.build.lib.packages.InfoInterface;
+import com.google.devtools.build.lib.packages.Provider;
+import com.google.devtools.build.lib.skyframe.BuildConfigurationValue;
+import javax.annotation.Nullable;
+
+/** A configured target that is empty. */
+public class EmptyConfiguredTarget extends AbstractConfiguredTarget {
+ public EmptyConfiguredTarget(Label label, BuildConfigurationValue.Key configurationKey) {
+ super(label, configurationKey, NestedSetBuilder.emptySet(Order.STABLE_ORDER));
+ }
+
+ @Nullable
+ @Override
+ protected InfoInterface rawGetSkylarkProvider(Provider.Key providerKey) {
+ return null;
+ }
+
+ @Override
+ protected Object rawGetSkylarkProvider(String providerKey) {
+ return null;
+ }
+}
