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// 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.objc;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.RuleConfiguredTargetFactory;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.analysis.configuredtargets.RuleConfiguredTarget.Mode;
import com.google.devtools.build.lib.analysis.test.InstrumentedFilesProvider;
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.cpp.CcLinkParamsInfo;
import com.google.devtools.build.lib.rules.objc.ObjcCommon.ResourceAttributes;
import com.google.devtools.build.lib.syntax.Type;
import java.util.Map;
import java.util.TreeMap;
/**
* Implementation for {@code objc_library}.
*/
public class ObjcLibrary implements RuleConfiguredTargetFactory {
/**
* Constructs an {@link ObjcCommon} instance based on the attributes of the given rule context.
*/
private ObjcCommon common(RuleContext ruleContext) {
return new ObjcCommon.Builder(ruleContext)
.setCompilationAttributes(
CompilationAttributes.Builder.fromRuleContext(ruleContext).build())
.setResourceAttributes(new ResourceAttributes(ruleContext))
.addDefines(ruleContext.getExpander().withDataLocations().tokenized("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.SKYLARK_CONSTRUCTOR))
.addNonPropagatedDepObjcProviders(
ruleContext.getPrerequisites(
"non_propagated_deps", Mode.TARGET, ObjcProvider.SKYLARK_CONSTRUCTOR))
.setIntermediateArtifacts(ObjcRuleClasses.intermediateArtifacts(ruleContext))
.setAlwayslink(ruleContext.attributes().get("alwayslink", Type.BOOLEAN))
.setHasModuleMap()
.build();
}
@Override
public ConfiguredTarget create(RuleContext ruleContext)
throws InterruptedException, RuleErrorException {
validateAttributes(ruleContext);
ObjcCommon common = common(ruleContext);
NestedSetBuilder<Artifact> filesToBuild = NestedSetBuilder.<Artifact>stableOrder()
.addAll(common.getCompiledArchive().asSet());
Map<String, NestedSet<Artifact>> outputGroupCollector = new TreeMap<>();
CompilationSupport compilationSupport =
new CompilationSupport.Builder()
.setRuleContext(ruleContext)
.setOutputGroupCollector(outputGroupCollector)
.setIsObjcLibrary()
.build();
compilationSupport
.registerCompileAndArchiveActions(common)
.registerFullyLinkAction(
common.getObjcProvider(),
ruleContext.getImplicitOutputArtifact(CompilationSupport.FULLY_LINKED_LIB))
.validateAttributes();
new ResourceSupport(ruleContext).validateAttributes();
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())
.addNativeDeclaredProvider(common.getObjcProvider())
.addProvider(J2ObjcEntryClassProvider.class, j2ObjcEntryClassProvider)
.addProvider(J2ObjcMappingFileProvider.class, j2ObjcMappingFileProvider)
.addProvider(
InstrumentedFilesProvider.class,
compilationSupport.getInstrumentedFilesProvider(common))
.addNativeDeclaredProvider(
new CcLinkParamsInfo(new ObjcLibraryCcLinkParamsStore(common)))
.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);
}
}
}
}
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