| // 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.devtools.build.lib.analysis.TransitiveInfoProvider; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSet; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder; |
| import com.google.devtools.build.lib.collect.nestedset.Order; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec; |
| |
| /** |
| * A target that can contribute profiling information to LIPO C++ compilations. |
| * |
| * <p>This is used in the LIPO context collector tree to collect data from the transitive closure of |
| * the :lipo_context_collector target. It is eventually passed to the configured targets in the |
| * target configuration through {@link LipoContextProvider}. |
| */ |
| @Immutable |
| @AutoCodec |
| public final class TransitiveLipoInfoProvider implements TransitiveInfoProvider { |
| public static final String LIPO_CONTEXT_COLLECTOR = ":lipo_context_collector"; |
| public static final TransitiveLipoInfoProvider EMPTY = |
| new TransitiveLipoInfoProvider( |
| NestedSetBuilder.<IncludeScannable>emptySet(Order.STABLE_ORDER)); |
| |
| private final NestedSet<IncludeScannable> includeScannables; |
| |
| @AutoCodec.Instantiator |
| public TransitiveLipoInfoProvider(NestedSet<IncludeScannable> includeScannables) { |
| this.includeScannables = includeScannables; |
| } |
| |
| /** |
| * Returns the include scannables in the transitive closure. |
| * |
| * <p>This is used for constructing the path fragment -> include scannable map in the |
| * LIPO-enabled target configuration. |
| */ |
| public NestedSet<IncludeScannable> getTransitiveIncludeScannables() { |
| return includeScannables; |
| } |
| } |