| // Copyright 2015 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.proto; |
| |
| import static com.google.devtools.build.lib.collect.nestedset.Order.STABLE_ORDER; |
| |
| import com.google.devtools.build.lib.actions.MutableActionGraph.ActionConflictException; |
| import com.google.devtools.build.lib.analysis.ConfiguredTarget; |
| import com.google.devtools.build.lib.analysis.RuleConfiguredTargetBuilder; |
| import com.google.devtools.build.lib.analysis.RuleConfiguredTargetFactory; |
| import com.google.devtools.build.lib.analysis.RuleContext; |
| import com.google.devtools.build.lib.analysis.Runfiles; |
| import com.google.devtools.build.lib.analysis.RunfilesProvider; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder; |
| import com.google.devtools.build.lib.rules.proto.ProtoCompileActionBuilder.Services; |
| |
| /** The implementation of the <code>proto_library</code> rule. */ |
| public class BazelProtoLibrary implements RuleConfiguredTargetFactory { |
| |
| @Override |
| public ConfiguredTarget create(RuleContext ruleContext) |
| throws ActionConflictException, RuleErrorException { |
| ProtoCommon.checkRuleHasValidMigrationTag(ruleContext); |
| ProtoInfo protoInfo = |
| ProtoCommon.createProtoInfo( |
| ruleContext, |
| ruleContext.getFragment(ProtoConfiguration.class).generatedProtosInVirtualImports()); |
| if (ruleContext.hasErrors()) { |
| return null; |
| } |
| |
| ProtoCompileActionBuilder.writeDescriptorSet(ruleContext, protoInfo, Services.ALLOW); |
| |
| Runfiles dataRunfiles = |
| ProtoCommon.createDataRunfilesProvider(protoInfo.getTransitiveProtoSources(), ruleContext) |
| .addArtifact(protoInfo.getDirectDescriptorSet()) |
| .build(); |
| |
| RuleConfiguredTargetBuilder builder = |
| new RuleConfiguredTargetBuilder(ruleContext) |
| .setFilesToBuild( |
| NestedSetBuilder.create(STABLE_ORDER, protoInfo.getDirectDescriptorSet())) |
| .addProvider(RunfilesProvider.withData(Runfiles.EMPTY, dataRunfiles)) |
| .addNativeDeclaredProvider(protoInfo); |
| |
| if (ruleContext.getFragment(ProtoConfiguration.class).enableLegacyProvider()) { |
| builder.addSkylarkTransitiveInfo(ProtoInfo.LEGACY_SKYLARK_NAME, protoInfo); |
| } |
| |
| return builder.build(); |
| } |
| } |