public static boolean isPreprocessFlavoredBuildTarget(BuildTarget target) {
Set<Flavor> flavors = target.getFlavors();
for (Flavor flavor : flavors) {
if (flavor.getName().startsWith(PREPROCESS_FLAVOR_PREFIX)) {
return true;
}
}
return false;
}
public static boolean isCompileFlavoredBuildTarget(BuildTarget target) {
Set<Flavor> flavors = target.getFlavors();
for (Flavor flavor : flavors) {
if (flavor.getName().startsWith(COMPILE_FLAVOR_PREFIX)) {
return true;
}
}
return false;
}
/** Only works with thin binaries. */
private CxxPlatform getCxxPlatformForBuildTarget(BuildTarget target) {
CxxPlatform cxxPlatform;
try {
cxxPlatform = cxxPlatformFlavorDomain.getValue(target.getFlavors()).or(defaultCxxPlatform);
} catch (FlavorDomainException e) {
throw new HumanReadableException(e, "%s: %s", target, e.getMessage());
}
return cxxPlatform;
}
/** Propagate the bundle's platform flavors to its dependents. */
@Override
public ImmutableSet<BuildTarget> findDepsForTargetFromConstructorArgs(
BuildTarget buildTarget,
Function<Optional<String>, Path> cellRoots,
AppleBundleDescription.Arg constructorArg) {
if (!constructorArg.deps.isPresent()) {
return ImmutableSet.of();
}
if (!cxxPlatformFlavorDomain.containsAnyOf(buildTarget.getFlavors())) {
buildTarget =
BuildTarget.builder(buildTarget)
.addAllFlavors(ImmutableSet.of(defaultCxxPlatform.getFlavor()))
.build();
}
Optional<FatBinaryInfo> fatBinaryInfo =
FatBinaryInfo.create(platformFlavorsToAppleCxxPlatforms, buildTarget);
CxxPlatform cxxPlatform;
if (fatBinaryInfo.isPresent()) {
AppleCxxPlatform appleCxxPlatform = fatBinaryInfo.get().getRepresentativePlatform();
cxxPlatform = appleCxxPlatform.getCxxPlatform();
} else {
cxxPlatform = getCxxPlatformForBuildTarget(buildTarget);
}
String platformName = cxxPlatform.getFlavor().getName();
final Flavor actualWatchFlavor;
if (ApplePlatform.isSimulator(platformName)) {
actualWatchFlavor = ImmutableFlavor.builder().name("watchsimulator-i386").build();
} else if (platformName.startsWith(ApplePlatform.Name.IPHONEOS)
|| platformName.startsWith(ApplePlatform.Name.WATCHOS)) {
actualWatchFlavor = ImmutableFlavor.builder().name("watchos-armv7k").build();
} else {
actualWatchFlavor = ImmutableFlavor.builder().name(platformName).build();
}
FluentIterable<BuildTarget> depsExcludingBinary =
FluentIterable.from(constructorArg.deps.get())
.filter(Predicates.not(Predicates.equalTo(constructorArg.binary)));
FluentIterable<BuildTarget> targetsWithPlatformFlavors =
depsExcludingBinary.filter(BuildTargets.containsFlavors(cxxPlatformFlavorDomain));
FluentIterable<BuildTarget> targetsWithoutPlatformFlavors =
depsExcludingBinary.filter(
Predicates.not(BuildTargets.containsFlavors(cxxPlatformFlavorDomain)));
FluentIterable<BuildTarget> watchTargets =
targetsWithoutPlatformFlavors
.filter(BuildTargets.containsFlavor(WATCH))
.transform(
new Function<BuildTarget, BuildTarget>() {
@Override
public BuildTarget apply(BuildTarget input) {
return BuildTarget.builder(input.withoutFlavors(ImmutableSet.of(WATCH)))
.addFlavors(actualWatchFlavor)
.build();
}
});
targetsWithoutPlatformFlavors =
targetsWithoutPlatformFlavors.filter(Predicates.not(BuildTargets.containsFlavor(WATCH)));
return ImmutableSet.<BuildTarget>builder()
.addAll(targetsWithPlatformFlavors)
.addAll(watchTargets)
.addAll(
BuildTargets.propagateFlavorDomains(
buildTarget,
ImmutableSet.<FlavorDomain<?>>of(cxxPlatformFlavorDomain),
targetsWithoutPlatformFlavors))
.build();
}
@SuppressWarnings({"rawtypes", "unchecked"})
private TargetNode<?> createTargetNode(
BuckEventBus eventBus,
Cell cell,
Path buildFile,
BuildTarget target,
Map<String, Object> rawNode,
TargetNodeListener nodeListener) {
BuildRuleType buildRuleType = parseBuildRuleTypeFromRawRule(cell, rawNode);
// Because of the way that the parser works, we know this can never return null.
Description<?> description = cell.getDescription(buildRuleType);
if (target.isFlavored()) {
if (description instanceof Flavored) {
if (!((Flavored) description).hasFlavors(ImmutableSet.copyOf(target.getFlavors()))) {
throw new HumanReadableException(
"Unrecognized flavor in target %s while parsing %s%s.",
target,
UnflavoredBuildTarget.BUILD_TARGET_PREFIX,
MorePaths.pathWithUnixSeparators(
target.getBasePath().resolve(cell.getBuildFileName())));
}
} else {
LOG.warn(
"Target %s (type %s) must implement the Flavored interface "
+ "before we can check if it supports flavors: %s",
target.getUnflavoredBuildTarget(), buildRuleType, target.getFlavors());
throw new HumanReadableException(
"Target %s (type %s) does not currently support flavors (tried %s)",
target.getUnflavoredBuildTarget(), buildRuleType, target.getFlavors());
}
}
Cell targetCell = cell.getCell(target);
BuildRuleFactoryParams factoryParams =
new BuildRuleFactoryParams(
targetCell.getFilesystem(),
target.withoutCell(),
new FilesystemBackedBuildFileTree(cell.getFilesystem(), cell.getBuildFileName()),
targetCell.isEnforcingBuckPackageBoundaries());
Object constructorArg = description.createUnpopulatedConstructorArg();
try {
ImmutableSet.Builder<BuildTarget> declaredDeps = ImmutableSet.builder();
ImmutableSet.Builder<BuildTargetPattern> visibilityPatterns = ImmutableSet.builder();
try (SimplePerfEvent.Scope scope =
SimplePerfEvent.scope(
eventBus, PerfEventId.of("MarshalledConstructorArg"), "target", target)) {
marshaller.populate(
targetCell.getCellRoots(),
targetCell.getFilesystem(),
factoryParams,
constructorArg,
declaredDeps,
visibilityPatterns,
rawNode);
}
try (SimplePerfEvent.Scope scope =
SimplePerfEvent.scope(eventBus, PerfEventId.of("CreatedTargetNode"), "target", target)) {
Hasher hasher = Hashing.sha1().newHasher();
hasher.putString(BuckVersion.getVersion(), UTF_8);
JsonObjectHashing.hashJsonObject(hasher, rawNode);
synchronized (this) {
targetsCornucopia.put(target.getUnflavoredBuildTarget(), target);
}
TargetNode<?> node =
new TargetNode(
hasher.hash(),
description,
constructorArg,
typeCoercerFactory,
factoryParams,
declaredDeps.build(),
visibilityPatterns.build(),
targetCell.getCellRoots());
nodeListener.onCreate(buildFile, node);
return node;
}
} catch (NoSuchBuildTargetException | TargetNode.InvalidSourcePathInputException e) {
throw new HumanReadableException(e);
} catch (ConstructorArgMarshalException e) {
throw new HumanReadableException("%s: %s", target, e.getMessage());
} catch (IOException e) {
throw new HumanReadableException(e.getMessage(), e);
}
}