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// Copyright 2016 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.objc;
import static com.google.devtools.build.lib.rules.objc.XcodeProductType.LIBRARY_STATIC;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.RuleConfiguredTarget.Mode;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.rules.RuleConfiguredTargetFactory;
import com.google.devtools.build.lib.rules.cpp.CcLinkParamsProvider;
import com.google.devtools.build.lib.rules.objc.ObjcCommon.ResourceAttributes;
import com.google.devtools.build.lib.rules.test.InstrumentedFilesProvider;
import com.google.devtools.build.lib.syntax.Type;
import java.util.Map;
import java.util.TreeMap;
/** Implementation for experimental_objc_library. */
public class ExperimentalObjcLibrary implements RuleConfiguredTargetFactory {
@Override
public ConfiguredTarget create(RuleContext ruleContext)
throws InterruptedException, RuleErrorException {
return configureExperimentalObjcLibrary(ruleContext);
}
/**
* Returns a configured target using the given context as an experimental_objc_library.
*
* <p>Implemented outside of {@link RuleClass.ConfiguredTargetFactory#create} so as to allow
* experimental analysis of objc_library targets as experimental_objc_library.
*/
public static ConfiguredTarget configureExperimentalObjcLibrary(RuleContext ruleContext)
throws InterruptedException, RuleErrorException {
validateAttributes(ruleContext);
ObjcCommon common = common(ruleContext);
Map<String, NestedSet<Artifact>> outputGroupCollector = new TreeMap<>();
CompilationSupport compilationSupport =
new CrosstoolCompilationSupport(ruleContext, outputGroupCollector)
.registerCompileAndArchiveActions(common)
.registerFullyLinkAction(
common.getObjcProvider(),
ruleContext.getImplicitOutputArtifact(CompilationSupport.FULLY_LINKED_LIB));
NestedSetBuilder<Artifact> filesToBuild =
NestedSetBuilder.<Artifact>stableOrder().addAll(common.getCompiledArchive().asSet());
XcodeProvider.Builder xcodeProviderBuilder = new XcodeProvider.Builder();
compilationSupport.addXcodeSettings(xcodeProviderBuilder, common);
new ResourceSupport(ruleContext)
.validateAttributes()
.addXcodeSettings(xcodeProviderBuilder);
new XcodeSupport(ruleContext)
.addFilesToBuild(filesToBuild)
.addXcodeSettings(xcodeProviderBuilder, common.getObjcProvider(), LIBRARY_STATIC)
.addDependencies(xcodeProviderBuilder, new Attribute("bundles", Mode.TARGET))
.addDependencies(xcodeProviderBuilder, new Attribute("deps", Mode.TARGET))
.addNonPropagatedDependencies(
xcodeProviderBuilder, new Attribute("non_propagated_deps", Mode.TARGET))
.registerActions(xcodeProviderBuilder.build());
J2ObjcMappingFileProvider j2ObjcMappingFileProvider =
J2ObjcMappingFileProvider.union(
ruleContext.getPrerequisites("deps", Mode.TARGET, J2ObjcMappingFileProvider.class));
J2ObjcEntryClassProvider j2ObjcEntryClassProvider =
new J2ObjcEntryClassProvider.Builder()
.addTransitive(
ruleContext.getPrerequisites("deps", Mode.TARGET, J2ObjcEntryClassProvider.class))
.build();
return ObjcRuleClasses.ruleConfiguredTarget(ruleContext, filesToBuild.build())
.addProvider(ObjcProvider.class, common.getObjcProvider())
.addProvider(J2ObjcEntryClassProvider.class, j2ObjcEntryClassProvider)
.addProvider(J2ObjcMappingFileProvider.class, j2ObjcMappingFileProvider)
.addProvider(
InstrumentedFilesProvider.class,
compilationSupport.getInstrumentedFilesProvider(common))
.addProvider(
CcLinkParamsProvider.class,
new CcLinkParamsProvider(new ObjcLibraryCcLinkParamsStore(common)))
.addProvider(ObjcProvider.class, common.getObjcProvider())
.addProvider(XcodeProvider.class, xcodeProviderBuilder.build())
.addOutputGroups(outputGroupCollector)
.build();
}
/** Throws errors or warnings for bad attribute state. */
private static void validateAttributes(RuleContext ruleContext) {
for (String copt : ObjcCommon.getNonCrosstoolCopts(ruleContext)) {
if (copt.contains("-fmodules-cache-path")) {
ruleContext.ruleWarning(CompilationSupport.MODULES_CACHE_PATH_WARNING);
}
}
}
/**
* Constructs an {@link ObjcCommon} instance based on the attributes of the given rule context.
*/
private static ObjcCommon common(RuleContext ruleContext) {
return new ObjcCommon.Builder(ruleContext)
.setCompilationAttributes(
CompilationAttributes.Builder.fromRuleContext(ruleContext).build())
.setResourceAttributes(new ResourceAttributes(ruleContext))
.addDefines(ruleContext.getTokenizedStringListAttr("defines"))
.setCompilationArtifacts(CompilationSupport.compilationArtifacts(ruleContext))
.addDeps(ruleContext.getPrerequisites("deps", Mode.TARGET))
.addRuntimeDeps(ruleContext.getPrerequisites("runtime_deps", Mode.TARGET))
.addDepObjcProviders(
ruleContext.getPrerequisites("bundles", Mode.TARGET, ObjcProvider.class))
.addNonPropagatedDepObjcProviders(
ruleContext.getPrerequisites("non_propagated_deps", Mode.TARGET, ObjcProvider.class))
.setIntermediateArtifacts(ObjcRuleClasses.intermediateArtifacts(ruleContext))
.setAlwayslink(ruleContext.attributes().get("alwayslink", Type.BOOLEAN))
.setHasModuleMap()
.build();
}
}
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