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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 static com.google.devtools.build.lib.rules.objc.XcodeProductType.LIBRARY_STATIC;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
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.NestedSetBuilder;
import com.google.devtools.build.lib.rules.RuleConfiguredTargetFactory;
import com.google.devtools.build.lib.rules.cpp.CcLinkParams;
import com.google.devtools.build.lib.rules.cpp.CcLinkParamsProvider;
import com.google.devtools.build.lib.rules.cpp.CcLinkParamsStore;
import com.google.devtools.build.lib.rules.cpp.CppCompilationContext;
import com.google.devtools.build.lib.rules.cpp.LinkerInputs;
import com.google.devtools.build.lib.rules.cpp.LinkerInputs.LibraryToLink;
import com.google.devtools.build.lib.rules.objc.ObjcCommon.CompilationAttributes;
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;
/**
* Implementation for {@code objc_library}.
*/
public class ObjcLibrary implements RuleConfiguredTargetFactory {
/**
* An {@link IterableWrapper} containing extra library {@link Artifact}s to be linked into the
* final ObjC application bundle.
*/
static final class ExtraImportLibraries extends IterableWrapper<Artifact> {
ExtraImportLibraries(Artifact... extraImportLibraries) {
super(extraImportLibraries);
}
ExtraImportLibraries(Iterable<Artifact> extraImportLibraries) {
super(extraImportLibraries);
}
}
/**
* A {@link CcLinkParamsStore} to be propagated to dependent cc_{library, binary} targets.
*/
private static class ObjcLibraryCcLinkParamsStore extends CcLinkParamsStore {
private ObjcCommon common;
public ObjcLibraryCcLinkParamsStore(ObjcCommon common) {
this.common = common;
}
@Override
protected void collect(
CcLinkParams.Builder builder, boolean linkingStatically, boolean linkShared) {
ObjcProvider objcProvider = common.getObjcProvider();
ImmutableSet.Builder<LibraryToLink> libraries = new ImmutableSet.Builder<>();
for (Artifact library : objcProvider.get(ObjcProvider.LIBRARY)) {
libraries.add(LinkerInputs.opaqueLibraryToLink(library));
}
libraries.addAll(objcProvider.get(ObjcProvider.CC_LIBRARY));
builder.addLibraries(libraries.build());
}
}
/**
* Constructs an {@link ObjcCommon} instance based on the attributes of the given rule. The rule
* should inherit from {@link ObjcLibraryRule}..
*/
static ObjcCommon common(RuleContext ruleContext, Iterable<SdkFramework> extraSdkFrameworks,
boolean alwayslink, ExtraImportLibraries extraImportLibraries,
Iterable<ObjcProvider> extraDepObjcProviders) {
CompilationArtifacts compilationArtifacts =
CompilationSupport.compilationArtifacts(ruleContext);
return new ObjcCommon.Builder(ruleContext)
.setCompilationAttributes(new CompilationAttributes(ruleContext))
.setResourceAttributes(new ResourceAttributes(ruleContext))
.addExtraSdkFrameworks(extraSdkFrameworks)
.addDefines(ruleContext.getTokenizedStringListAttr("defines"))
.setCompilationArtifacts(compilationArtifacts)
.addDepObjcProviders(ruleContext.getPrerequisites("deps", Mode.TARGET, ObjcProvider.class))
.addDepObjcProviders(
ruleContext.getPrerequisites("bundles", Mode.TARGET, ObjcProvider.class))
.addNonPropagatedDepObjcProviders(
ruleContext.getPrerequisites("non_propagated_deps", Mode.TARGET, ObjcProvider.class))
.addDepCcHeaderProviders(
ruleContext.getPrerequisites("deps", Mode.TARGET, CppCompilationContext.class))
.addDepCcLinkProviders(ruleContext)
.setIntermediateArtifacts(ObjcRuleClasses.intermediateArtifacts(ruleContext))
.setAlwayslink(alwayslink)
.setHasModuleMap()
.addExtraImportLibraries(extraImportLibraries)
.addDepObjcProviders(extraDepObjcProviders)
.build();
}
@Override
public ConfiguredTarget create(RuleContext ruleContext) throws InterruptedException {
final ObjcCommon common =
common(
ruleContext,
ImmutableList.<SdkFramework>of(),
ruleContext.attributes().get("alwayslink", Type.BOOLEAN),
new ExtraImportLibraries(),
ImmutableList.<ObjcProvider>of());
XcodeProvider.Builder xcodeProviderBuilder = new XcodeProvider.Builder();
NestedSetBuilder<Artifact> filesToBuild = NestedSetBuilder.<Artifact>stableOrder()
.addAll(common.getCompiledArchive().asSet());
CompilationSupport compilationSupport =
new CompilationSupport(ruleContext)
.registerCompileAndArchiveActions(common)
.addXcodeSettings(xcodeProviderBuilder, common)
.validateAttributes();
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());
return ObjcRuleClasses.ruleConfiguredTarget(ruleContext, filesToBuild.build())
.addProvider(XcodeProvider.class, xcodeProviderBuilder.build())
.addProvider(ObjcProvider.class, common.getObjcProvider())
.addProvider(J2ObjcSrcsProvider.class, J2ObjcSrcsProvider.buildFrom(ruleContext))
.addProvider(
J2ObjcMappingFileProvider.class, ObjcRuleClasses.j2ObjcMappingFileProvider(ruleContext))
.addProvider(
InstrumentedFilesProvider.class,
compilationSupport.getInstrumentedFilesProvider(common))
.addProvider(
CcLinkParamsProvider.class,
new CcLinkParamsProvider(new ObjcLibraryCcLinkParamsStore(common)))
.build();
}
}
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