| // 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.cpp; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.devtools.build.lib.analysis.RuleContext; |
| import com.google.devtools.build.lib.analysis.RuleErrorConsumer; |
| import com.google.devtools.build.lib.analysis.TransitiveInfoCollection; |
| import com.google.devtools.build.lib.analysis.config.BuildConfigurationValue; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.packages.AspectDescriptor; |
| import com.google.devtools.build.lib.packages.StructImpl; |
| import com.google.devtools.build.lib.rules.cpp.CcCommon.Language; |
| import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.FeatureConfiguration; |
| import com.google.devtools.build.lib.rules.cpp.CppConfiguration.HeadersCheckingMode; |
| import com.google.devtools.build.lib.skyframe.serialization.autocodec.SerializationConstant; |
| |
| /** |
| * Null-object like {@link CppSemantics} implementation. Only to be used in tests that don't depend |
| * on semantics details. |
| */ |
| @Immutable |
| public final class MockCppSemantics implements CppSemantics { |
| @SerializationConstant public static final MockCppSemantics INSTANCE = new MockCppSemantics(); |
| |
| private MockCppSemantics() {} |
| |
| @Override |
| public Language language() { |
| return Language.CPP; |
| } |
| |
| @Override |
| public void finalizeCompileActionBuilder( |
| BuildConfigurationValue configuration, |
| FeatureConfiguration featureConfiguration, |
| CppCompileActionBuilder actionBuilder, |
| RuleErrorConsumer ruleErrorConsumer) {} |
| |
| @Override |
| public boolean allowIncludeScanning() { |
| return false; |
| } |
| |
| @Override |
| public HeadersCheckingMode determineHeadersCheckingMode(RuleContext ruleContext) { |
| return HeadersCheckingMode.LOOSE; |
| } |
| |
| @Override |
| public HeadersCheckingMode determineStarlarkHeadersCheckingMode( |
| RuleContext context, CppConfiguration cppConfig, CcToolchainProvider toolchain) { |
| return HeadersCheckingMode.LOOSE; |
| } |
| |
| @Override |
| public boolean needsDotdInputPruning(BuildConfigurationValue configuration) { |
| return true; |
| } |
| |
| @Override |
| public void validateAttributes(RuleContext ruleContext) {} |
| |
| @Override |
| public boolean needsIncludeValidation() { |
| return true; |
| } |
| |
| @Override |
| public StructImpl getCcSharedLibraryInfo(TransitiveInfoCollection dep) { |
| return null; |
| } |
| |
| @Override |
| public void validateLayeringCheckFeatures( |
| RuleContext ruleContext, |
| AspectDescriptor aspectDescriptor, |
| CcToolchainProvider ccToolchain, |
| ImmutableSet<String> unsupportedFeatures) {} |
| |
| @Override |
| public boolean createEmptyArchive() { |
| return false; |
| } |
| |
| @Override |
| public boolean shouldUseInterfaceDepsBehavior(RuleContext ruleContext) { |
| boolean experimentalCcInterfaceDeps = |
| ruleContext.getFragment(CppConfiguration.class).experimentalCcInterfaceDeps(); |
| if (!experimentalCcInterfaceDeps |
| && ruleContext.attributes().isAttributeValueExplicitlySpecified("interface_deps")) { |
| ruleContext.attributeError("interface_deps", "requires --experimental_cc_interface_deps"); |
| } |
| return experimentalCcInterfaceDeps; |
| } |
| } |