| // 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.rules.java.proto; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.devtools.build.lib.analysis.RuleContext; |
| import com.google.devtools.build.lib.analysis.TransitiveInfoCollection; |
| import com.google.devtools.build.lib.analysis.configuredtargets.RuleConfiguredTarget; |
| import com.google.devtools.build.lib.rules.cpp.CcInfo; |
| import com.google.devtools.build.lib.rules.java.JavaCcLinkParamsProvider; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** Methods that all java_xxx_proto_library rules use to construct JavaCcLinkParamsProvider's. */ |
| public class JplCcLinkParams { |
| |
| /** |
| * Creates a CcLinkingInfo based on 'deps' and an explicit list of proto runtimes, in the context |
| * of a java_xxx_proto_library and its aspects. |
| * |
| * @param ruleContext used to extract 'deps'. the 'deps' are expected to provide |
| * JavaProtoLibraryAspectProvider, which is the case when a java_xxx_proto_library rule |
| * depends on proto_library's with the aspect, and when an aspect node depends on its |
| * dependency's aspect node. |
| * @param protoRuntimes a list of java_library. |
| */ |
| public static JavaCcLinkParamsProvider createCcLinkingInfo( |
| final RuleContext ruleContext, final ImmutableList<TransitiveInfoCollection> protoRuntimes) { |
| List<CcInfo> providers = new ArrayList<>(); |
| for (TransitiveInfoCollection t : |
| ruleContext.getPrerequisites("deps", RuleConfiguredTarget.Mode.TARGET)) { |
| JavaCcLinkParamsProvider javaCcLinkParamsProvider = t.get(JavaCcLinkParamsProvider.PROVIDER); |
| if (javaCcLinkParamsProvider != null) { |
| providers.add(javaCcLinkParamsProvider.getCcInfo()); |
| } |
| } |
| |
| for (TransitiveInfoCollection t : protoRuntimes) { |
| JavaCcLinkParamsProvider javaCcLinkParamsProvider = t.get(JavaCcLinkParamsProvider.PROVIDER); |
| if (javaCcLinkParamsProvider != null) { |
| providers.add(javaCcLinkParamsProvider.getCcInfo()); |
| } |
| CcInfo ccInfo = t.get(CcInfo.PROVIDER); |
| if (ccInfo != null) { |
| providers.add(ccInfo); |
| } |
| } |
| |
| return new JavaCcLinkParamsProvider(CcInfo.merge(providers)); |
| } |
| } |