blob: e51444de1b2832d29c38aca5d128fc17e6deac70 [file] [log] [blame]
// 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.java;
import static com.google.devtools.build.lib.rules.cpp.CppRuleClasses.STATIC_LINKING_MODE;
import static com.google.devtools.build.lib.rules.java.DeployArchiveBuilder.Compression.COMPRESSED;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.actions.MutableActionGraph.ActionConflictException;
import com.google.devtools.build.lib.actions.ParamFileInfo;
import com.google.devtools.build.lib.actions.ParameterFile.ParameterFileType;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.OutputGroupInfo;
import com.google.devtools.build.lib.analysis.RuleConfiguredTargetBuilder;
import com.google.devtools.build.lib.analysis.RuleConfiguredTargetFactory;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.analysis.Runfiles;
import com.google.devtools.build.lib.analysis.RunfilesProvider;
import com.google.devtools.build.lib.analysis.RunfilesSupport;
import com.google.devtools.build.lib.analysis.TransitiveInfoCollection;
import com.google.devtools.build.lib.analysis.actions.CustomCommandLine;
import com.google.devtools.build.lib.analysis.actions.CustomCommandLine.VectorArg;
import com.google.devtools.build.lib.analysis.actions.FileWriteAction;
import com.google.devtools.build.lib.analysis.actions.LazyWritePathsFileAction;
import com.google.devtools.build.lib.analysis.actions.SpawnAction;
import com.google.devtools.build.lib.analysis.config.CompilationMode;
import com.google.devtools.build.lib.analysis.configuredtargets.RuleConfiguredTarget.Mode;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.collect.nestedset.Order;
import com.google.devtools.build.lib.packages.BuildType;
import com.google.devtools.build.lib.packages.Type;
import com.google.devtools.build.lib.rules.cpp.CcCommon;
import com.google.devtools.build.lib.rules.cpp.CcToolchainFeatures.FeatureConfiguration;
import com.google.devtools.build.lib.rules.cpp.CcToolchainProvider;
import com.google.devtools.build.lib.rules.cpp.CppConfiguration;
import com.google.devtools.build.lib.rules.cpp.CppHelper;
import com.google.devtools.build.lib.rules.cpp.LibraryToLink;
import com.google.devtools.build.lib.rules.java.JavaCompilationArgsProvider.ClasspathType;
import com.google.devtools.build.lib.rules.java.JavaConfiguration.OneVersionEnforcementLevel;
import com.google.devtools.build.lib.rules.java.proto.GeneratedExtensionRegistryProvider;
import com.google.devtools.build.lib.syntax.EvalException;
import com.google.devtools.build.lib.util.OS;
import com.google.devtools.build.lib.util.Pair;
import com.google.devtools.build.lib.vfs.PathFragment;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/** An implementation of java_binary. */
public class JavaBinary implements RuleConfiguredTargetFactory {
private static final PathFragment CPP_RUNTIMES = PathFragment.create("_cpp_runtimes");
private final JavaSemantics semantics;
protected JavaBinary(JavaSemantics semantics) {
this.semantics = semantics;
}
@Override
public ConfiguredTarget create(RuleContext ruleContext)
throws InterruptedException, RuleErrorException, ActionConflictException {
JavaCommon.checkRuleLoadedThroughMacro(ruleContext);
final JavaCommon common = new JavaCommon(ruleContext, semantics);
DeployArchiveBuilder deployArchiveBuilder = new DeployArchiveBuilder(semantics, ruleContext);
Runfiles.Builder runfilesBuilder =
new Runfiles.Builder(
ruleContext.getWorkspaceName(),
ruleContext.getConfiguration().legacyExternalRunfiles());
List<String> jvmFlags = new ArrayList<>();
JavaTargetAttributes.Builder attributesBuilder = common.initCommon();
attributesBuilder.addClassPathResources(
ruleContext.getPrerequisiteArtifacts("classpath_resources", Mode.TARGET).list());
// Add Java8 timezone resource data
addTimezoneResourceForJavaBinaries(ruleContext, attributesBuilder);
List<String> userJvmFlags = JavaCommon.getJvmFlags(ruleContext);
ruleContext.checkSrcsSamePackage(true);
boolean createExecutable = ruleContext.attributes().get("create_executable", Type.BOOLEAN);
if (!createExecutable) {
// TODO(cushon): disallow combining launcher=JDK_LAUNCHER_LABEL with create_executable=0
// and use isAttributeExplicitlySpecified here
Label launcherAttribute = ruleContext.attributes().get("launcher", BuildType.LABEL);
if (launcherAttribute != null && !JavaHelper.isJdkLauncher(ruleContext, launcherAttribute)) {
ruleContext.ruleError("launcher specified but create_executable is false");
}
}
semantics.checkRule(ruleContext, common);
semantics.checkForProtoLibraryAndJavaProtoLibraryOnSameProto(ruleContext, common);
String mainClass = semantics.getMainClass(ruleContext, common.getSrcsArtifacts());
String originalMainClass = mainClass;
if (ruleContext.hasErrors()) {
return null;
}
// Collect the transitive dependencies.
JavaCompilationHelper helper =
new JavaCompilationHelper(ruleContext, semantics, common.getJavacOpts(), attributesBuilder);
List<TransitiveInfoCollection> deps =
Lists.newArrayList(common.targetsTreatedAsDeps(ClasspathType.COMPILE_ONLY));
helper.addLibrariesToAttributes(deps);
attributesBuilder.addNativeLibraries(
collectNativeLibraries(common.targetsTreatedAsDeps(ClasspathType.BOTH)));
// deploy_env is valid for java_binary, but not for java_test.
if (ruleContext.getRule().isAttrDefined("deploy_env", BuildType.LABEL_LIST)) {
for (JavaRuntimeClasspathProvider envTarget :
ruleContext.getPrerequisites(
"deploy_env", Mode.TARGET, JavaRuntimeClasspathProvider.class)) {
attributesBuilder.addExcludedArtifacts(envTarget.getRuntimeClasspathNestedSet());
}
}
Artifact srcJar = ruleContext.getImplicitOutputArtifact(JavaSemantics.JAVA_BINARY_SOURCE_JAR);
JavaSourceJarsProvider.Builder javaSourceJarsProviderBuilder =
JavaSourceJarsProvider.builder()
.addSourceJar(srcJar)
.addAllTransitiveSourceJars(common.collectTransitiveSourceJars(srcJar));
Artifact classJar = ruleContext.getImplicitOutputArtifact(JavaSemantics.JAVA_BINARY_CLASS_JAR);
CppConfiguration cppConfiguration =
ruleContext.getConfiguration().getFragment(CppConfiguration.class);
CcToolchainProvider ccToolchain =
CppHelper.getToolchainUsingDefaultCcToolchainAttribute(ruleContext);
FeatureConfiguration featureConfiguration =
CcCommon.configureFeaturesOrReportRuleError(
ruleContext,
/* requestedFeatures= */ ImmutableSet.<String>builder()
.addAll(ruleContext.getFeatures())
.add(STATIC_LINKING_MODE)
.build(),
/* unsupportedFeatures= */ ruleContext.getDisabledFeatures(),
ccToolchain);
boolean stripAsDefault =
ccToolchain.shouldCreatePerObjectDebugInfo(featureConfiguration, cppConfiguration)
&& cppConfiguration.getCompilationMode() == CompilationMode.OPT;
DeployArchiveBuilder unstrippedDeployArchiveBuilder = null;
if (stripAsDefault) {
unstrippedDeployArchiveBuilder = new DeployArchiveBuilder(semantics, ruleContext);
}
Pair<Artifact, Artifact> launcherAndUnstrippedLauncher =
semantics.getLauncher(
ruleContext,
common,
deployArchiveBuilder,
unstrippedDeployArchiveBuilder,
runfilesBuilder,
jvmFlags,
attributesBuilder,
stripAsDefault,
ccToolchain,
featureConfiguration);
Artifact launcher = launcherAndUnstrippedLauncher.first;
Artifact unstrippedLauncher = launcherAndUnstrippedLauncher.second;
JavaCompilationArtifacts.Builder javaArtifactsBuilder = new JavaCompilationArtifacts.Builder();
NestedSetBuilder<Artifact> filesBuilder = NestedSetBuilder.stableOrder();
Artifact executableForRunfiles = null;
if (createExecutable) {
// This artifact is named as the rule itself, e.g. //foo:bar_bin -> bazel-bin/foo/bar_bin
// On Windows, it's going to be bazel-bin/foo/bar_bin.exe
if (OS.getCurrent() == OS.WINDOWS) {
executableForRunfiles =
ruleContext.getImplicitOutputArtifact(ruleContext.getTarget().getName() + ".exe");
} else {
executableForRunfiles = ruleContext.createOutputArtifact();
}
filesBuilder.add(classJar).add(executableForRunfiles);
if (ruleContext.getConfiguration().isCodeCoverageEnabled()) {
mainClass = semantics.addCoverageSupport(helper, executableForRunfiles);
}
} else {
filesBuilder.add(classJar);
}
JavaCompileOutputs<Artifact> outputs = helper.createOutputs(classJar);
JavaRuleOutputJarsProvider.Builder ruleOutputJarsProviderBuilder =
JavaRuleOutputJarsProvider.builder()
.addOutputJar(
/* classJar= */ classJar,
/* iJar= */ null,
/* manifestProto= */ outputs.manifestProto(),
/* sourceJars= */ ImmutableList.of(srcJar));
JavaTargetAttributes attributes = attributesBuilder.build();
List<Artifact> nativeLibraries = attributes.getNativeLibraries();
if (!nativeLibraries.isEmpty()) {
jvmFlags.add(
"-Djava.library.path="
+ JavaCommon.javaLibraryPath(
nativeLibraries, ruleContext.getRule().getPackage().getWorkspaceName()));
}
JavaConfiguration javaConfig = ruleContext.getFragment(JavaConfiguration.class);
if (attributes.hasMessages()) {
helper.setTranslations(
semantics.translate(ruleContext, javaConfig, attributes.getMessages()));
}
if (attributes.hasSources() || attributes.hasResources()) {
// We only want to add a jar to the classpath of a dependent rule if it has content.
javaArtifactsBuilder.addRuntimeJar(classJar);
}
GeneratedExtensionRegistryProvider generatedExtensionRegistryProvider =
semantics.createGeneratedExtensionRegistry(
ruleContext,
common,
filesBuilder,
javaArtifactsBuilder,
ruleOutputJarsProviderBuilder,
javaSourceJarsProviderBuilder);
javaArtifactsBuilder.setCompileTimeDependencies(outputs.depsProto());
ruleOutputJarsProviderBuilder.setJdeps(outputs.depsProto());
JavaCompilationArtifacts javaArtifacts = javaArtifactsBuilder.build();
common.setJavaCompilationArtifacts(javaArtifacts);
helper.createCompileAction(outputs);
helper.createSourceJarAction(srcJar, outputs.genSource());
common.setClassPathFragment(
new ClasspathConfiguredFragment(
javaArtifacts, attributes, false, helper.getBootclasspathOrDefault()));
Iterables.addAll(
jvmFlags, semantics.getJvmFlags(ruleContext, common.getSrcsArtifacts(), userJvmFlags));
if (ruleContext.hasErrors()) {
return null;
}
Artifact executableToRun = executableForRunfiles;
if (createExecutable) {
String javaExecutable;
if (semantics.isJavaExecutableSubstitution()) {
javaExecutable = JavaCommon.getJavaBinSubstitution(ruleContext, launcher);
} else {
javaExecutable = JavaCommon.getJavaExecutableForStub(ruleContext, launcher);
}
// Create a shell stub for a Java application
executableToRun =
semantics.createStubAction(
ruleContext,
common,
jvmFlags,
executableForRunfiles,
mainClass,
originalMainClass,
filesBuilder,
javaExecutable,
/* createCoverageMetadataJar= */ false);
if (!executableToRun.equals(executableForRunfiles)) {
filesBuilder.add(executableToRun);
runfilesBuilder.addArtifact(executableToRun);
}
}
JavaSourceJarsProvider sourceJarsProvider = javaSourceJarsProviderBuilder.build();
NestedSet<Artifact> transitiveSourceJars = sourceJarsProvider.getTransitiveSourceJars();
// TODO(bazel-team): if (getOptions().sourceJars) then make this a dummy prerequisite for the
// DeployArchiveAction ? Needs a few changes there as we can't pass inputs
SingleJarActionBuilder.createSourceJarAction(
ruleContext,
semantics,
NestedSetBuilder.<Artifact>emptySet(Order.STABLE_ORDER),
transitiveSourceJars,
ruleContext.getImplicitOutputArtifact(JavaSemantics.JAVA_BINARY_DEPLOY_SOURCE_JAR));
RuleConfiguredTargetBuilder builder = new RuleConfiguredTargetBuilder(ruleContext);
builder.add(
JavaPrimaryClassProvider.class,
new JavaPrimaryClassProvider(
semantics.getPrimaryClass(ruleContext, common.getSrcsArtifacts())));
if (generatedExtensionRegistryProvider != null) {
builder.addNativeDeclaredProvider(generatedExtensionRegistryProvider);
}
Artifact deployJar =
ruleContext.getImplicitOutputArtifact(JavaSemantics.JAVA_BINARY_DEPLOY_JAR);
if (javaConfig.oneVersionEnforcementLevel() != OneVersionEnforcementLevel.OFF) {
// This JavaBinary class is also the implementation for java_test targets (via the
// {Google,Bazel}JavaTest subclass). java_test targets can have their one version enforcement
// disabled with a second flag (to avoid the incremental build performance cost at the expense
// of safety.)
if (javaConfig.enforceOneVersionOnJavaTests() || !isJavaTestRule(ruleContext)) {
builder.addOutputGroup(
OutputGroupInfo.HIDDEN_TOP_LEVEL,
OneVersionCheckActionBuilder.newBuilder()
.withEnforcementLevel(javaConfig.oneVersionEnforcementLevel())
.outputArtifact(
ruleContext.getImplicitOutputArtifact(JavaSemantics.JAVA_ONE_VERSION_ARTIFACT))
.useToolchain(JavaToolchainProvider.from(ruleContext))
.checkJars(
NestedSetBuilder.fromNestedSet(attributes.getRuntimeClassPath())
.add(classJar)
.build())
.build(ruleContext));
}
}
NestedSet<Artifact> filesToBuild = filesBuilder.build();
NestedSet<Artifact> dynamicRuntimeActionInputs;
try {
dynamicRuntimeActionInputs = ccToolchain.getDynamicRuntimeLinkInputs(featureConfiguration);
} catch (EvalException e) {
throw ruleContext.throwWithRuleError(e.getMessage());
}
collectDefaultRunfiles(
runfilesBuilder,
ruleContext,
common,
javaArtifacts,
filesToBuild,
launcher,
dynamicRuntimeActionInputs);
Runfiles defaultRunfiles = runfilesBuilder.build();
RunfilesSupport runfilesSupport = null;
Runfiles persistentTestRunnerRunfiles = null;
NestedSetBuilder<Artifact> extraFilesToRunBuilder = NestedSetBuilder.stableOrder();
if (createExecutable) {
List<String> extraArgs =
new ArrayList<>(semantics.getExtraArguments(ruleContext, common.getSrcsArtifacts()));
// The executable we pass here will be used when creating the runfiles directory. E.g. for the
// stub script called bazel-bin/foo/bar_bin, the runfiles directory will be created under
// bazel-bin/foo/bar_bin.runfiles . On platforms where there's an extra stub script (Windows)
// which dispatches to this one, we still create the runfiles directory for the shell script,
// but use the dispatcher script (a batch file) as the RunfilesProvider's executable.
runfilesSupport =
RunfilesSupport.withExecutable(
ruleContext, defaultRunfiles, executableForRunfiles, extraArgs);
extraFilesToRunBuilder.add(runfilesSupport.getRunfilesMiddleman());
if (JavaSemantics.isTestTargetAndPersistentTestRunner(ruleContext)) {
persistentTestRunnerRunfiles = JavaSemantics.getTestSupportRunfiles(ruleContext);
}
}
RunfilesProvider runfilesProvider =
RunfilesProvider.withData(
defaultRunfiles,
new Runfiles.Builder(
ruleContext.getWorkspaceName(),
ruleContext.getConfiguration().legacyExternalRunfiles())
.merge(runfilesSupport)
.build());
ImmutableList<String> deployManifestLines =
getDeployManifestLines(ruleContext, originalMainClass);
Artifact jsa = createSharedArchive(ruleContext, javaArtifacts, attributes);
deployArchiveBuilder
.setOutputJar(deployJar)
.setJavaStartClass(mainClass)
.setDeployManifestLines(deployManifestLines)
.setAttributes(attributes)
.addRuntimeJars(javaArtifacts.getRuntimeJars())
.setIncludeBuildData(true)
.setRunfilesMiddleman(
runfilesSupport == null ? null : runfilesSupport.getRunfilesMiddleman())
.setCompression(COMPRESSED)
.setLauncher(launcher)
.setOneVersionEnforcementLevel(
javaConfig.oneVersionEnforcementLevel(),
JavaToolchainProvider.from(ruleContext).getOneVersionWhitelist())
.setSharedArchive(jsa)
.build();
Artifact unstrippedDeployJar =
ruleContext.getImplicitOutputArtifact(JavaSemantics.JAVA_UNSTRIPPED_BINARY_DEPLOY_JAR);
if (stripAsDefault) {
unstrippedDeployArchiveBuilder
.setOutputJar(unstrippedDeployJar)
.setJavaStartClass(mainClass)
.setDeployManifestLines(deployManifestLines)
.setAttributes(attributes)
.addRuntimeJars(javaArtifacts.getRuntimeJars())
.setIncludeBuildData(true)
.setRunfilesMiddleman(
runfilesSupport == null ? null : runfilesSupport.getRunfilesMiddleman())
.setCompression(COMPRESSED)
.setLauncher(unstrippedLauncher);
unstrippedDeployArchiveBuilder.build();
} else {
// Write an empty file as the name_deploy.jar.unstripped when the default output jar is not
// stripped.
ruleContext.registerAction(
FileWriteAction.create(ruleContext, unstrippedDeployJar, "", false));
}
JavaRuleOutputJarsProvider ruleOutputJarsProvider = ruleOutputJarsProviderBuilder.build();
JavaInfo.Builder javaInfoBuilder = JavaInfo.Builder.create();
NestedSetBuilder<Pair<String, String>> coverageEnvironment = NestedSetBuilder.stableOrder();
NestedSetBuilder<Artifact> coverageSupportFiles = NestedSetBuilder.stableOrder();
if (ruleContext.getConfiguration().isCodeCoverageEnabled()) {
// Create an artifact that contains the root relative paths of the jars on the runtime
// classpath.
Artifact runtimeClasspathArtifact =
ruleContext.getUniqueDirectoryArtifact(
"runtime_classpath_for_coverage",
"runtime_classpath.txt",
ruleContext.getBinOrGenfilesDirectory());
ruleContext.registerAction(
new LazyWritePathsFileAction(
ruleContext.getActionOwner(),
runtimeClasspathArtifact,
common.getRuntimeClasspath(),
/* filesToIgnore= */ ImmutableSet.of(),
true));
filesBuilder.add(runtimeClasspathArtifact);
// Pass the artifact through an environment variable in the coverage environment so it
// can be read by the coverage collection script.
coverageEnvironment.add(
new Pair<>(
"JAVA_RUNTIME_CLASSPATH_FOR_COVERAGE", runtimeClasspathArtifact.getExecPathString()));
// Add the file to coverageSupportFiles so it ends up as an input for the test action
// when coverage is enabled.
coverageSupportFiles.add(runtimeClasspathArtifact);
// Make single jar reachable from the coverage environment because it needs to be executed
// by the coverage collection script.
Artifact singleJar = JavaToolchainProvider.from(ruleContext).getSingleJar();
coverageEnvironment.add(new Pair<>("SINGLE_JAR_TOOL", singleJar.getExecPathString()));
coverageSupportFiles.add(singleJar);
runfilesBuilder.addArtifact(singleJar);
runfilesBuilder.addArtifact(runtimeClasspathArtifact);
}
common.addTransitiveInfoProviders(
builder,
javaInfoBuilder,
filesToBuild,
classJar,
coverageEnvironment.build(),
coverageSupportFiles.build());
common.addGenJarsProvider(builder, javaInfoBuilder, outputs.genClass(), outputs.genSource());
JavaInfo javaInfo =
javaInfoBuilder
.addProvider(JavaSourceJarsProvider.class, sourceJarsProvider)
.addProvider(JavaRuleOutputJarsProvider.class, ruleOutputJarsProvider)
.addProvider(
JavaSourceInfoProvider.class,
JavaSourceInfoProvider.fromJavaTargetAttributes(attributes, semantics))
.maybeTransitiveOnlyRuntimeJarsToJavaInfo(
common.getDependencies(), JavaSemantics.isPersistentTestRunner(ruleContext))
.build();
return builder
.setFilesToBuild(filesToBuild)
.addNativeDeclaredProvider(javaInfo)
.addSkylarkTransitiveInfo(
JavaSkylarkApiProvider.NAME, JavaSkylarkApiProvider.fromRuleContext())
.add(RunfilesProvider.class, runfilesProvider)
// The executable to run (below) may be different from the executable for runfiles (the one
// we create the runfiles support object with). On Linux they are the same (it's the same
// shell script), on Windows they are different (the executable to run is a batch file, the
// executable for runfiles is the shell script).
.setRunfilesSupport(runfilesSupport, executableToRun)
.setPersistentTestRunnerRunfiles(persistentTestRunnerRunfiles)
// Add the native libraries as test action tools. Useful for the persistent test runner
// to include them in the worker's key and re-build a worker if the native dependencies
// have changed.
.addTestActionTools(nativeLibraries)
.addFilesToRun(extraFilesToRunBuilder.build())
.add(
JavaRuntimeClasspathProvider.class,
new JavaRuntimeClasspathProvider(common.getRuntimeClasspath()))
.addOutputGroup(JavaSemantics.SOURCE_JARS_OUTPUT_GROUP, transitiveSourceJars)
.build();
}
private static Artifact createSharedArchive(
RuleContext ruleContext,
JavaCompilationArtifacts javaArtifacts,
JavaTargetAttributes attributes)
throws InterruptedException {
if (!ruleContext.getRule().isAttrDefined("classlist", BuildType.LABEL)) {
return null;
}
Artifact classlist = ruleContext.getPrerequisiteArtifact("classlist", Mode.HOST);
if (classlist == null) {
return null;
}
NestedSet<Artifact> classpath =
NestedSetBuilder.<Artifact>stableOrder()
.addAll(javaArtifacts.getRuntimeJars())
.addTransitive(attributes.getRuntimeClassPathForArchive())
.build();
Artifact jsa = ruleContext.getImplicitOutputArtifact(JavaSemantics.SHARED_ARCHIVE_ARTIFACT);
JavaRuntimeInfo javaRuntime = JavaRuntimeInfo.from(ruleContext);
ruleContext.registerAction(
new SpawnAction.Builder()
.setExecutable(javaRuntime.javaBinaryExecPathFragment())
.addCommandLine(
CustomCommandLine.builder()
.add("-Xshare:dump")
.addFormatted("-XX:SharedArchiveFile=%s", jsa.getExecPath())
.addFormatted("-XX:SharedClassListFile=%s", classlist.getExecPath())
.add("-cp")
.build())
.addCommandLine(
CustomCommandLine.builder()
.addExecPaths(VectorArg.join(":").each(classpath))
.build(),
ParamFileInfo.builder(ParameterFileType.UNQUOTED).build())
.addOutput(jsa)
.addInput(classlist)
.addTransitiveInputs(javaRuntime.javaBaseInputsMiddleman())
.addTransitiveInputs(classpath)
.build(ruleContext));
return jsa;
}
// Create the deploy jar and make it dependent on the runfiles middleman if an executable is
// created. Do not add the deploy jar to files to build, so we will only build it when it gets
// requested.
private static ImmutableList<String> getDeployManifestLines(
RuleContext ruleContext, String originalMainClass) {
ImmutableList.Builder<String> builder =
ImmutableList.<String>builder()
.addAll(ruleContext.attributes().get("deploy_manifest_lines", Type.STRING_LIST));
if (ruleContext.getConfiguration().isCodeCoverageEnabled()) {
builder.add("Coverage-Main-Class: " + originalMainClass);
}
return builder.build();
}
/** Add Java8 timezone resource jar to java binary, if specified in tool chain. */
private static void addTimezoneResourceForJavaBinaries(
RuleContext ruleContext, JavaTargetAttributes.Builder attributesBuilder) {
JavaToolchainProvider toolchainProvider = JavaToolchainProvider.from(ruleContext);
if (toolchainProvider.getTimezoneData() != null) {
attributesBuilder.addResourceJars(
NestedSetBuilder.create(Order.STABLE_ORDER, toolchainProvider.getTimezoneData()));
}
}
private void collectDefaultRunfiles(
Runfiles.Builder builder,
RuleContext ruleContext,
JavaCommon common,
JavaCompilationArtifacts javaArtifacts,
NestedSet<Artifact> filesToBuild,
Artifact launcher,
NestedSet<Artifact> dynamicRuntimeActionInputs) {
builder.addTransitiveArtifactsWrappedInStableOrder(filesToBuild);
builder.addArtifacts(javaArtifacts.getRuntimeJars());
if (launcher != null) {
final TransitiveInfoCollection defaultLauncher =
JavaHelper.launcherForTarget(semantics, ruleContext);
final Artifact defaultLauncherArtifact =
JavaHelper.launcherArtifactForTarget(semantics, ruleContext);
if (!defaultLauncherArtifact.equals(launcher)) {
builder.addArtifact(launcher);
// N.B. The "default launcher" referred to here is the launcher target specified through
// an attribute or flag. We wish to retain the runfiles of the default launcher, *except*
// for the original cc_binary artifact, because we've swapped it out with our custom
// launcher. Hence, instead of calling builder.addTarget(), or adding an odd method
// to Runfiles.Builder, we "unravel" the call and manually add things to the builder.
// Because the NestedSet representing each target's launcher runfiles is re-built here,
// we may see increased memory consumption for representing the target's runfiles.
Runfiles runfiles =
defaultLauncher.getProvider(RunfilesProvider.class).getDefaultRunfiles();
NestedSetBuilder<Artifact> unconditionalArtifacts = NestedSetBuilder.compileOrder();
for (Artifact a : runfiles.getUnconditionalArtifacts().toList()) {
if (!a.equals(defaultLauncherArtifact)) {
unconditionalArtifacts.add(a);
}
}
builder.addTransitiveArtifacts(unconditionalArtifacts.build());
builder.addSymlinks(runfiles.getSymlinks());
builder.addRootSymlinks(runfiles.getRootSymlinks());
builder.addPruningManifests(runfiles.getPruningManifests());
} else {
builder.addTarget(defaultLauncher, RunfilesProvider.DEFAULT_RUNFILES);
}
}
semantics.addRunfilesForBinary(ruleContext, launcher, builder);
builder.addRunfiles(ruleContext, RunfilesProvider.DEFAULT_RUNFILES);
builder.add(ruleContext, JavaRunfilesProvider.TO_RUNFILES);
List<? extends TransitiveInfoCollection> runtimeDeps =
ruleContext.getPrerequisites("runtime_deps", Mode.TARGET);
builder.addTargets(runtimeDeps, JavaRunfilesProvider.TO_RUNFILES);
builder.addTargets(runtimeDeps, RunfilesProvider.DEFAULT_RUNFILES);
builder.addTransitiveArtifactsWrappedInStableOrder(common.getRuntimeClasspath());
// Add the JDK files if it comes from the source repository (see java_stub_template.txt).
JavaRuntimeInfo javaRuntime = JavaRuntimeInfo.from(ruleContext);
if (javaRuntime != null) {
builder.addTransitiveArtifacts(javaRuntime.javaBaseInputs());
if (!javaRuntime.javaHomePathFragment().isAbsolute()) {
// Add symlinks to the C++ runtime libraries under a path that can be built
// into the Java binary without having to embed the crosstool, gcc, and grte
// version information contained within the libraries' package paths.
for (Artifact lib : dynamicRuntimeActionInputs.toList()) {
PathFragment path = CPP_RUNTIMES.getRelative(lib.getExecPath().getBaseName());
builder.addSymlink(path, lib);
}
}
}
}
/**
* Collects the native libraries in the transitive closure of the deps.
*
* @param deps the dependencies to be included as roots of the transitive closure.
* @return the native libraries found in the transitive closure of the deps.
*/
public static Collection<Artifact> collectNativeLibraries(
Iterable<? extends TransitiveInfoCollection> deps) {
NestedSet<LibraryToLink> linkerInputs =
new NativeLibraryNestedSetBuilder().addJavaTargets(deps).build();
return LibraryToLink.getDynamicLibrariesForLinking(linkerInputs);
}
private static boolean isJavaTestRule(RuleContext ruleContext) {
return ruleContext.getRule().getRuleClass().endsWith("_test");
}
}