| // 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.python; |
| |
| import com.google.common.base.Function; |
| import com.google.devtools.build.lib.analysis.TransitiveInfoCollection; |
| import com.google.devtools.build.lib.analysis.TransitiveInfoProvider; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.rules.cpp.CcLinkParamsStore; |
| import com.google.devtools.build.lib.rules.cpp.CcLinkParamsStore.CcLinkParamsStoreImpl; |
| |
| /** |
| * A target that provides C++ libraries to be linked into Python targets. |
| */ |
| @Immutable |
| public final class PyCcLinkParamsProvider implements TransitiveInfoProvider { |
| private final CcLinkParamsStoreImpl store; |
| |
| public PyCcLinkParamsProvider(CcLinkParamsStore store) { |
| this.store = new CcLinkParamsStoreImpl(store); |
| } |
| |
| public CcLinkParamsStore getLinkParams() { |
| return store; |
| } |
| |
| public static final Function<TransitiveInfoCollection, CcLinkParamsStore> TO_LINK_PARAMS = |
| new Function<TransitiveInfoCollection, CcLinkParamsStore>() { |
| @Override |
| public CcLinkParamsStore apply(TransitiveInfoCollection input) { |
| PyCcLinkParamsProvider provider = input.getProvider( |
| PyCcLinkParamsProvider.class); |
| return provider == null ? null : provider.getLinkParams(); |
| } |
| }; |
| } |