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// 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 void checkCanUseImplementationDeps(RuleContext ruleContext) {
boolean experimentalCcImplementationDeps =
ruleContext.getFragment(CppConfiguration.class).experimentalCcImplementationDeps();
if (!experimentalCcImplementationDeps
&& ruleContext.attributes().isAttributeValueExplicitlySpecified("implementation_deps")) {
ruleContext.attributeError(
"implementation_deps", "requires --experimental_cc_implementation_deps");
}
}
}