1 files changed, 58 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/DefaultProvider.java b/src/main/java/com/google/devtools/build/lib/analysis/DefaultProvider.java
new file mode 100644
index 0000000000..c0c2a317a4
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/analysis/DefaultProvider.java
@@ -0,0 +1,58 @@
+// 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.ImmutableMap;
+import com.google.devtools.build.lib.actions.Artifact;
+import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
+import com.google.devtools.build.lib.packages.ClassObjectConstructor;
+import com.google.devtools.build.lib.packages.SkylarkClassObject;
+import com.google.devtools.build.lib.rules.SkylarkRuleContext;
+import com.google.devtools.build.lib.syntax.SkylarkNestedSet;
+import java.util.Map;
+
+/** DefaultProvider is provided by all targets implicitly and contains all standard fields. */
+@Immutable
+public final class DefaultProvider extends SkylarkClassObject {
+
+  // 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 DefaultProvider(ClassObjectConstructor constructor, Map<String, Object> values) {
+    super(constructor, values);
+  }
+
+  public static DefaultProvider build(
+      RunfilesProvider runfilesProvider,
+      FileProvider fileProvider,
+      FilesToRunProvider filesToRunProvider) {
+    ImmutableMap.Builder<String, Object> attrBuilder = new ImmutableMap.Builder<>();
+    if (runfilesProvider != null) {
+      attrBuilder.put(DATA_RUNFILES_FIELD, runfilesProvider.getDataRunfiles());
+      attrBuilder.put(DEFAULT_RUNFILES_FIELD, runfilesProvider.getDefaultRunfiles());
+    } else {
+      attrBuilder.put(DATA_RUNFILES_FIELD, Runfiles.EMPTY);
+      attrBuilder.put(DEFAULT_RUNFILES_FIELD, Runfiles.EMPTY);
+    }
+
+    attrBuilder.put(
+        FILES_FIELD, SkylarkNestedSet.of(Artifact.class, fileProvider.getFilesToBuild()));
+    attrBuilder.put(FilesToRunProvider.SKYLARK_NAME, filesToRunProvider);
+
+    ClassObjectConstructor constructor = SkylarkRuleContext.getDefaultProvider();
+    return new DefaultProvider(constructor, attrBuilder.build());
+  }
+}