Rollback of commit ac7195025b073948785db8c6975a53fc305c5087.

*** Reason for rollback ***

Uses tests that don't run on Bazel

*** Original change description ***

Implement aspect(...) Skylark function.

--
MOS_MIGRATED_REVID=105808850

1 files changed, 0 insertions, 79 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/analysis/SkylarkProviders.java b/src/main/java/com/google/devtools/build/lib/analysis/SkylarkProviders.java
deleted file mode 100644
index d4746c4659..0000000000
--- a/src/main/java/com/google/devtools/build/lib/analysis/SkylarkProviders.java
+++ /dev/null
@@ -1,79 +0,0 @@
-// 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.analysis;
-
-import com.google.common.base.Preconditions;
-import com.google.common.collect.ImmutableCollection;
-import com.google.common.collect.ImmutableMap;
-import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
-
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
-/**
- * A helper class for transitive infos provided by Skylark rule implementations.
- */
-@Immutable
-public final class SkylarkProviders implements TransitiveInfoProvider {
-  private final ImmutableMap<String, Object> skylarkProviders;
-
-  SkylarkProviders(ImmutableMap<String, Object> skylarkProviders) {
-    Preconditions.checkNotNull(skylarkProviders);
-    this.skylarkProviders = skylarkProviders;
-  }
-
-  /**
-   * Returns the keys for the Skylark providers.
-   */
-  public ImmutableCollection<String> getKeys() {
-    return skylarkProviders.keySet();
-  }
-
-  /**
-   * Returns a Skylark provider; "key" must be one from {@link #getKeys()}.
-   */
-  public Object getValue(String key) {
-    return skylarkProviders.get(key);
-  }
-
-  /**
-   * Merges skylark providers. The set of providers must be disjoint.
-   *
-   * @param providers providers to merge {@code this} with.
-   */
-
-  public static SkylarkProviders merge(List<SkylarkProviders> providers) {
-    if (providers.size() == 0) {
-      return null;
-    }
-    if (providers.size() == 1) {
-      return providers.get(0);
-    }
-
-    ImmutableMap.Builder<String, Object> resultBuilder = new ImmutableMap.Builder<>();
-    Set<String> seenKeys = new HashSet<>();
-    for (SkylarkProviders provider : providers) {
-      for (String key : provider.skylarkProviders.keySet()) {
-        if (!seenKeys.add(key)) {
-          // TODO(dslomov): add better diagnostics.
-          throw new IllegalStateException("Skylark provider " + key + " provided twice");
-        }
-
-        resultBuilder.put(key, provider.getValue(key));
-      }
-    }
-    return new SkylarkProviders(resultBuilder.build());
-  }
-}