| // 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.bazel.rules.cpp; |
| |
| import com.google.devtools.build.lib.analysis.RuleContext; |
| import com.google.devtools.build.lib.analysis.TransitiveInfoCollection; |
| import com.google.devtools.build.lib.analysis.config.BuildConfiguration; |
| import com.google.devtools.build.lib.cmdline.Label; |
| import com.google.devtools.build.lib.packages.Provider; |
| import com.google.devtools.build.lib.packages.SkylarkProvider.SkylarkKey; |
| import com.google.devtools.build.lib.packages.StructImpl; |
| import com.google.devtools.build.lib.rules.cpp.AspectLegalCppSemantics; |
| import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.FeatureConfiguration; |
| import com.google.devtools.build.lib.rules.cpp.CcToolchainProvider; |
| import com.google.devtools.build.lib.rules.cpp.CppActionNames; |
| import com.google.devtools.build.lib.rules.cpp.CppCompileActionBuilder; |
| import com.google.devtools.build.lib.rules.cpp.CppConfiguration; |
| import com.google.devtools.build.lib.rules.cpp.CppConfiguration.HeadersCheckingMode; |
| import com.google.devtools.build.lib.rules.cpp.IncludeProcessing; |
| import com.google.devtools.build.lib.rules.cpp.NoProcessing; |
| import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec; |
| |
| /** C++ compilation semantics. */ |
| public class BazelCppSemantics implements AspectLegalCppSemantics { |
| @AutoCodec public static final BazelCppSemantics INSTANCE = new BazelCppSemantics(); |
| |
| // TODO(#10338): We need to check for both providers. With and without the @rules_cc repo name. |
| // The reason for that is that when we are in a target inside @rules_cc, the provider won't have |
| // the repo name set. |
| public static final Provider.Key CC_SHARED_INFO_PROVIDER_RULES_CC = |
| new SkylarkKey( |
| Label.parseAbsoluteUnchecked("@rules_cc//examples:experimental_cc_shared_library.bzl"), |
| "CcSharedLibraryInfo"); |
| |
| public static final Provider.Key CC_SHARED_INFO_PROVIDER = |
| new SkylarkKey( |
| Label.parseAbsoluteUnchecked("//examples:experimental_cc_shared_library.bzl"), |
| "CcSharedLibraryInfo"); |
| |
| private final IncludeProcessing includeProcessing; |
| |
| private BazelCppSemantics() { |
| this.includeProcessing = NoProcessing.INSTANCE; |
| } |
| |
| @Override |
| public void finalizeCompileActionBuilder( |
| BuildConfiguration configuration, |
| FeatureConfiguration featureConfiguration, |
| CppCompileActionBuilder actionBuilder) { |
| CcToolchainProvider toolchain = actionBuilder.getToolchain(); |
| actionBuilder |
| .addTransitiveMandatoryInputs( |
| configuration.getFragment(CppConfiguration.class).useSpecificToolFiles() |
| ? (actionBuilder.getActionName().equals(CppActionNames.ASSEMBLE) |
| ? toolchain.getAsFiles() |
| : toolchain.getCompilerFiles()) |
| : toolchain.getAllFiles()) |
| .setShouldScanIncludes(false); |
| } |
| |
| @Override |
| public HeadersCheckingMode determineHeadersCheckingMode(RuleContext ruleContext) { |
| return HeadersCheckingMode.STRICT; |
| } |
| |
| @Override |
| public IncludeProcessing getIncludeProcessing() { |
| return includeProcessing; |
| } |
| |
| @Override |
| public boolean needsDotdInputPruning() { |
| return true; |
| } |
| |
| @Override |
| public void validateAttributes(RuleContext ruleContext) { |
| } |
| |
| @Override |
| public boolean needsIncludeValidation() { |
| return true; |
| } |
| |
| @Override |
| public StructImpl getCcSharedLibraryInfo(TransitiveInfoCollection dep) { |
| StructImpl ccSharedLibraryInfo = (StructImpl) dep.get(CC_SHARED_INFO_PROVIDER); |
| if (ccSharedLibraryInfo != null) { |
| return ccSharedLibraryInfo; |
| } |
| ccSharedLibraryInfo = (StructImpl) dep.get(CC_SHARED_INFO_PROVIDER_RULES_CC); |
| if (ccSharedLibraryInfo != null) { |
| return ccSharedLibraryInfo; |
| } |
| return null; |
| } |
| } |