| // 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.common.base.Preconditions; |
| import com.google.common.collect.ImmutableList; |
| import com.google.devtools.build.lib.analysis.AnalysisUtils; |
| 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.packages.NativeInfo; |
| import com.google.devtools.build.lib.packages.NativeProvider; |
| import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec; |
| import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec.VisibleForSerialization; |
| import com.google.devtools.build.lib.skylarkinterface.SkylarkCallable; |
| import com.google.devtools.build.lib.skylarkinterface.SkylarkModule; |
| import com.google.devtools.build.lib.skylarkinterface.SkylarkModuleCategory; |
| |
| /** Wrapper for every C++ compilation provider. */ |
| @Immutable |
| @AutoCodec |
| @SkylarkModule( |
| name = "cc_compilation_info", |
| documented = false, |
| category = SkylarkModuleCategory.PROVIDER, |
| doc = "Wrapper for every C++ compilation provider" |
| ) |
| public final class CcCompilationInfo extends NativeInfo { |
| public static final NativeProvider<CcCompilationInfo> PROVIDER = |
| new NativeProvider<CcCompilationInfo>(CcCompilationInfo.class, "CcCompilationInfo") {}; |
| |
| private final CcCompilationContext ccCompilationContext; |
| |
| @AutoCodec.Instantiator |
| @VisibleForSerialization |
| CcCompilationInfo(CcCompilationContext ccCompilationContext) { |
| super(PROVIDER); |
| this.ccCompilationContext = ccCompilationContext; |
| } |
| |
| @SkylarkCallable( |
| name = "cc_compilation_context", |
| structField = true, |
| allowReturnNones = true, |
| doc = "Returns compilation information for this C++ target." |
| ) |
| public CcCompilationContext getCcCompilationContext() { |
| return ccCompilationContext; |
| } |
| |
| /** A Builder for {@link CcCompilationInfo}. */ |
| public static class Builder { |
| CcCompilationContext ccCompilationContext; |
| |
| public static CcCompilationInfo.Builder create() { |
| return new CcCompilationInfo.Builder(); |
| } |
| |
| public <P extends TransitiveInfoProvider> Builder setCcCompilationContext( |
| CcCompilationContext ccCompilationContext) { |
| Preconditions.checkState(this.ccCompilationContext == null); |
| this.ccCompilationContext = ccCompilationContext; |
| return this; |
| } |
| |
| public CcCompilationInfo build() { |
| return new CcCompilationInfo(ccCompilationContext); |
| } |
| } |
| |
| public static ImmutableList<CcCompilationContext> getCcCompilationContexts( |
| Iterable<? extends TransitiveInfoCollection> deps) { |
| ImmutableList.Builder<CcCompilationContext> ccCompilationContextsBuilder = |
| ImmutableList.builder(); |
| for (CcCompilationInfo ccCompilationInfo : |
| AnalysisUtils.getProviders(deps, CcCompilationInfo.PROVIDER)) { |
| CcCompilationContext ccCompilationContext = ccCompilationInfo.getCcCompilationContext(); |
| if (ccCompilationContext != null) { |
| ccCompilationContextsBuilder.add(ccCompilationContext); |
| } |
| } |
| return ccCompilationContextsBuilder.build(); |
| } |
| } |