Rename some of native declared providers according to the new naming scheme.

RELNOTES: None
PiperOrigin-RevId: 165910455

1 files changed, 103 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/analysis/DefaultInfo.java b/src/main/java/com/google/devtools/build/lib/analysis/DefaultInfo.java
new file mode 100644
index 0000000000..7becc71ebc
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/analysis/DefaultInfo.java
@@ -0,0 +1,103 @@
+// Copyright 2017 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.common.collect.ImmutableCollection;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
+import com.google.devtools.build.lib.actions.Artifact;
+import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
+import com.google.devtools.build.lib.events.Location;
+import com.google.devtools.build.lib.packages.Info;
+import com.google.devtools.build.lib.packages.NativeProvider;
+import com.google.devtools.build.lib.packages.Provider;
+import com.google.devtools.build.lib.syntax.SkylarkNestedSet;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicReference;
+
+/** DefaultInfo is provided by all targets implicitly and contains all standard fields. */
+@Immutable
+public final class DefaultInfo extends Info {
+
+  // Accessors for Skylark
+  private static final String DATA_RUNFILES_FIELD = "data_runfiles";
+  private static final String DEFAULT_RUNFILES_FIELD = "default_runfiles";
+  private static final String FILES_FIELD = "files";
+  private static final ImmutableList<String> KEYS =
+      ImmutableList.of(
+          DATA_RUNFILES_FIELD,
+          DEFAULT_RUNFILES_FIELD,
+          FILES_FIELD,
+          FilesToRunProvider.SKYLARK_NAME);
+
+  private final RunfilesProvider runfilesProvider;
+  private final FileProvider fileProvider;
+  private final FilesToRunProvider filesToRunProvider;
+  private final AtomicReference<SkylarkNestedSet> files = new AtomicReference<>();
+
+  public static final String SKYLARK_NAME = "DefaultInfo";
+  public static final Provider PROVIDER =
+      new NativeProvider<Info>(Info.class, SKYLARK_NAME) {
+        @Override
+        protected Info createInstanceFromSkylark(Object[] args, Location loc) {
+          @SuppressWarnings("unchecked")
+          Map<String, Object> kwargs = (Map<String, Object>) args[0];
+          return new Info(this, kwargs, loc);
+        }
+      };
+
+  private DefaultInfo(
+      Provider constructor,
+      RunfilesProvider runfilesProvider,
+      FileProvider fileProvider,
+      FilesToRunProvider filesToRunProvider) {
+    // Fields map is not used here to prevent memory regression
+    super(constructor, ImmutableMap.<String, Object>of());
+    this.runfilesProvider = runfilesProvider;
+    this.fileProvider = fileProvider;
+    this.filesToRunProvider = filesToRunProvider;
+  }
+
+  public static DefaultInfo build(
+      RunfilesProvider runfilesProvider,
+      FileProvider fileProvider,
+      FilesToRunProvider filesToRunProvider) {
+    return new DefaultInfo(
+        PROVIDER, runfilesProvider, fileProvider, filesToRunProvider);
+  }
+
+  @Override
+  public Object getValue(String name) {
+    switch (name) {
+      case DATA_RUNFILES_FIELD:
+        return (runfilesProvider == null) ? Runfiles.EMPTY : runfilesProvider.getDataRunfiles();
+      case DEFAULT_RUNFILES_FIELD:
+        return (runfilesProvider == null) ? Runfiles.EMPTY : runfilesProvider.getDefaultRunfiles();
+      case FILES_FIELD:
+        if (files.get() == null) {
+          files.compareAndSet(
+              null, SkylarkNestedSet.of(Artifact.class, fileProvider.getFilesToBuild()));
+        }
+        return files.get();
+      case FilesToRunProvider.SKYLARK_NAME:
+        return filesToRunProvider;
+    }
+    return null;
+  }
+
+  @Override
+  public ImmutableCollection<String> getKeys() {
+    return KEYS;
+  }
+}