Examples with BuildTarget com.facebook.buck.model.BuildTarget used on opensource projects

Example 41 with BuildTarget

use of com.facebook.buck.model.BuildTarget in project buck by facebook.

the class CopyResourcesStep method buildSteps.

@VisibleForTesting
ImmutableList<Step> buildSteps() {
    ImmutableList.Builder<Step> allSteps = ImmutableList.builder();
    if (resources.isEmpty()) {
        return allSteps.build();
    }
    String targetPackageDir = javaPackageFinder.findJavaPackage(target);
    for (SourcePath rawResource : resources) {
        // If the path to the file defining this rule were:
        // "first-party/orca/lib-http/tests/com/facebook/orca/BUCK"
        //
        // And the value of resource were:
        // "first-party/orca/lib-http/tests/com/facebook/orca/protocol/base/batch_exception1.txt"
        //
        // Assuming that `src_roots = tests` were in the [java] section of the .buckconfig file,
        // then javaPackageAsPath would be:
        // "com/facebook/orca/protocol/base/"
        //
        // And the path that we would want to copy to the classes directory would be:
        // "com/facebook/orca/protocol/base/batch_exception1.txt"
        //
        // Therefore, some path-wrangling is required to produce the correct string.
        Optional<BuildRule> underlyingRule = ruleFinder.getRule(rawResource);
        Path relativePathToResource = resolver.getRelativePath(rawResource);
        String resource;
        if (underlyingRule.isPresent()) {
            BuildTarget underlyingTarget = underlyingRule.get().getBuildTarget();
            if (underlyingRule.get() instanceof HasOutputName) {
                resource = MorePaths.pathWithUnixSeparators(underlyingTarget.getBasePath().resolve(((HasOutputName) underlyingRule.get()).getOutputName()));
            } else {
                Path genOutputParent = BuildTargets.getGenPath(filesystem, underlyingTarget, "%s").getParent();
                Path scratchOutputParent = BuildTargets.getScratchPath(filesystem, underlyingTarget, "%s").getParent();
                Optional<Path> outputPath = MorePaths.stripPrefix(relativePathToResource, genOutputParent).map(Optional::of).orElse(MorePaths.stripPrefix(relativePathToResource, scratchOutputParent));
                Preconditions.checkState(outputPath.isPresent(), "%s is used as a resource but does not output to a default output directory", underlyingTarget.getFullyQualifiedName());
                resource = MorePaths.pathWithUnixSeparators(underlyingTarget.getBasePath().resolve(outputPath.get()));
            }
        } else {
            resource = MorePaths.pathWithUnixSeparators(relativePathToResource);
        }
        Path javaPackageAsPath = javaPackageFinder.findJavaPackageFolder(outputDirectory.getFileSystem().getPath(resource));
        Path relativeSymlinkPath;
        if ("".equals(javaPackageAsPath.toString())) {
            // In this case, the project root is acting as the default package, so the resource path
            // works fine.
            relativeSymlinkPath = relativePathToResource.getFileName();
        } else {
            int lastIndex = resource.lastIndexOf(MorePaths.pathWithUnixSeparatorsAndTrailingSlash(javaPackageAsPath));
            if (lastIndex < 0) {
                Preconditions.checkState(rawResource instanceof BuildTargetSourcePath, "If resource path %s does not contain %s, then it must be a BuildTargetSourcePath.", relativePathToResource, javaPackageAsPath);
                // Handle the case where we depend on the output of another BuildRule. In that case, just
                // grab the output and put in the same package as this target would be in.
                relativeSymlinkPath = outputDirectory.getFileSystem().getPath(String.format("%s%s%s", targetPackageDir, targetPackageDir.isEmpty() ? "" : "/", resolver.getRelativePath(rawResource).getFileName()));
            } else {
                relativeSymlinkPath = outputDirectory.getFileSystem().getPath(resource.substring(lastIndex));
            }
        }
        Path target = outputDirectory.resolve(relativeSymlinkPath);
        MkdirAndSymlinkFileStep link = new MkdirAndSymlinkFileStep(filesystem, resolver.getAbsolutePath(rawResource), target);
        allSteps.add(link);
    }
    return allSteps.build();
}

Example 42 with BuildTarget

use of com.facebook.buck.model.BuildTarget in project buck by facebook.

the class DefaultJavaLibrary method getBuildSteps.

/**
   * Building a java_library() rule entails compiling the .java files specified in the srcs
   * attribute. They are compiled into a directory under {@link BuckPaths#getScratchDir()}.
   */
@Override
public final ImmutableList<Step> getBuildSteps(BuildContext context, BuildableContext buildableContext) {
    ImmutableList.Builder<Step> steps = ImmutableList.builder();
    FluentIterable<JavaLibrary> declaredClasspathDeps = JavaLibraryClasspathProvider.getJavaLibraryDeps(getDepsForTransitiveClasspathEntries());
    // Always create the output directory, even if there are no .java files to compile because there
    // might be resources that need to be copied there.
    BuildTarget target = getBuildTarget();
    Path outputDirectory = getClassesDir(target, getProjectFilesystem());
    steps.add(new MakeCleanDirectoryStep(getProjectFilesystem(), outputDirectory));
    SuggestBuildRules suggestBuildRule = DefaultSuggestBuildRules.createSuggestBuildFunction(JAR_RESOLVER, context.getSourcePathResolver(), declaredClasspathDeps.toSet(), ImmutableSet.<JavaLibrary>builder().addAll(getTransitiveClasspathDeps()).add(this).build(), context.getActionGraph().getNodes());
    // We don't want to add these to the declared or transitive deps, since they're only used at
    // compile time.
    Collection<Path> provided = JavaLibraryClasspathProvider.getJavaLibraryDeps(providedDeps).transformAndConcat(JavaLibrary::getOutputClasspaths).filter(Objects::nonNull).transform(context.getSourcePathResolver()::getAbsolutePath).toSet();
    Iterable<Path> declaredClasspaths = declaredClasspathDeps.transformAndConcat(JavaLibrary::getOutputClasspaths).transform(context.getSourcePathResolver()::getAbsolutePath);
    // Only override the bootclasspath if this rule is supposed to compile Android code.
    ImmutableSortedSet<Path> declared = ImmutableSortedSet.<Path>naturalOrder().addAll(declaredClasspaths).addAll(additionalClasspathEntries.stream().map(e -> e.isLeft() ? context.getSourcePathResolver().getAbsolutePath(e.getLeft()) : checkIsAbsolute(e.getRight())).collect(MoreCollectors.toImmutableSet())).addAll(provided).build();
    // Make sure that this directory exists because ABI information will be written here.
    Step mkdir = new MakeCleanDirectoryStep(getProjectFilesystem(), getPathToAbiOutputDir());
    steps.add(mkdir);
    // If there are resources, then link them to the appropriate place in the classes directory.
    JavaPackageFinder finder = context.getJavaPackageFinder();
    if (resourcesRoot.isPresent()) {
        finder = new ResourcesRootPackageFinder(resourcesRoot.get(), finder);
    }
    steps.add(new CopyResourcesStep(getProjectFilesystem(), context.getSourcePathResolver(), ruleFinder, target, resources, outputDirectory, finder));
    steps.add(new MakeCleanDirectoryStep(getProjectFilesystem(), getOutputJarDirPath(target, getProjectFilesystem())));
    // into the built jar.
    if (!getJavaSrcs().isEmpty()) {
        ClassUsageFileWriter usedClassesFileWriter;
        if (trackClassUsage) {
            final Path usedClassesFilePath = getUsedClassesFilePath(getBuildTarget(), getProjectFilesystem());
            depFileOutputPath = getProjectFilesystem().getPathForRelativePath(usedClassesFilePath);
            usedClassesFileWriter = new DefaultClassUsageFileWriter(usedClassesFilePath);
            buildableContext.recordArtifact(usedClassesFilePath);
        } else {
            usedClassesFileWriter = NoOpClassUsageFileWriter.instance();
        }
        // This adds the javac command, along with any supporting commands.
        Path pathToSrcsList = BuildTargets.getGenPath(getProjectFilesystem(), getBuildTarget(), "__%s__srcs");
        steps.add(new MkdirStep(getProjectFilesystem(), pathToSrcsList.getParent()));
        Path scratchDir = BuildTargets.getGenPath(getProjectFilesystem(), target, "lib__%s____working_directory");
        steps.add(new MakeCleanDirectoryStep(getProjectFilesystem(), scratchDir));
        Optional<Path> workingDirectory = Optional.of(scratchDir);
        ImmutableSortedSet<Path> javaSrcs = getJavaSrcs().stream().map(context.getSourcePathResolver()::getRelativePath).collect(MoreCollectors.toImmutableSortedSet());
        compileStepFactory.createCompileToJarStep(context, javaSrcs, target, context.getSourcePathResolver(), ruleFinder, getProjectFilesystem(), declared, outputDirectory, workingDirectory, pathToSrcsList, Optional.of(suggestBuildRule), postprocessClassesCommands, ImmutableSortedSet.of(outputDirectory), /* mainClass */
        Optional.empty(), manifestFile.map(context.getSourcePathResolver()::getAbsolutePath), outputJar.get(), usedClassesFileWriter, /* output params */
        steps, buildableContext, classesToRemoveFromJar);
    }
    if (outputJar.isPresent()) {
        Path output = outputJar.get();
        // No source files, only resources
        if (getJavaSrcs().isEmpty()) {
            steps.add(new JarDirectoryStep(getProjectFilesystem(), output, ImmutableSortedSet.of(outputDirectory), /* mainClass */
            null, manifestFile.map(context.getSourcePathResolver()::getAbsolutePath).orElse(null), true, classesToRemoveFromJar));
        }
        buildableContext.recordArtifact(output);
    }
    JavaLibraryRules.addAccumulateClassNamesStep(this, buildableContext, context.getSourcePathResolver(), steps);
    return steps.build();
}

Example 43 with BuildTarget

use of com.facebook.buck.model.BuildTarget in project buck by facebook.

the class AbstractLuaScriptStarter method build.

@Override
public SourcePath build() {
    BuildTarget templateTarget = BuildTarget.builder(getBaseParams().getBuildTarget()).addFlavors(InternalFlavor.of("starter-template")).build();
    WriteFile templateRule = getRuleResolver().addToIndex(new WriteFile(getBaseParams().withBuildTarget(templateTarget).copyReplacingDeclaredAndExtraDeps(Suppliers.ofInstance(ImmutableSortedSet.of()), Suppliers.ofInstance(ImmutableSortedSet.of())), getPureStarterTemplate(), BuildTargets.getGenPath(getBaseParams().getProjectFilesystem(), templateTarget, "%s/starter.lua.in"), /* executable */
    false));
    final Tool lua = getLuaConfig().getLua(getRuleResolver());
    WriteStringTemplateRule writeStringTemplateRule = getRuleResolver().addToIndex(WriteStringTemplateRule.from(getBaseParams(), getRuleFinder(), getTarget(), getOutput(), templateRule.getSourcePathToOutput(), ImmutableMap.of("SHEBANG", lua.getCommandPrefix(getPathResolver()).get(0), "MAIN_MODULE", Escaper.escapeAsPythonString(getMainModule()), "MODULES_DIR", getRelativeModulesDir().isPresent() ? Escaper.escapeAsPythonString(getRelativeModulesDir().get().toString()) : "nil", "PY_MODULES_DIR", getRelativePythonModulesDir().isPresent() ? Escaper.escapeAsPythonString(getRelativePythonModulesDir().get().toString()) : "nil", "EXT_SUFFIX", Escaper.escapeAsPythonString(getCxxPlatform().getSharedLibraryExtension())), /* executable */
    true));
    return writeStringTemplateRule.getSourcePathToOutput();
}

Example 44 with BuildTarget

use of com.facebook.buck.model.BuildTarget in project buck by facebook.

the class AbstractNativeExecutableStarter method build.

@Override
public SourcePath build() throws NoSuchBuildTargetException {
    BuildTarget linkTarget = getTarget();
    CxxLink linkRule = getRuleResolver().addToIndex(CxxLinkableEnhancer.createCxxLinkableBuildRule(getCxxBuckConfig(), getCxxPlatform(), getBaseParams(), getRuleResolver(), getPathResolver(), getRuleFinder(), linkTarget, Linker.LinkType.EXECUTABLE, Optional.empty(), getOutput(), Linker.LinkableDepType.SHARED, getNativeStarterDeps(), Optional.empty(), Optional.empty(), ImmutableSet.of(), getNativeLinkableInput()));
    return linkRule.getSourcePathToOutput();
}

Example 45 with BuildTarget

use of com.facebook.buck.model.BuildTarget in project buck by facebook.

the class AbstractNativeExecutableStarter method getNativeStarterCxxSource.

private CxxSource getNativeStarterCxxSource() {
    BuildTarget target = BuildTarget.builder(getBaseParams().getBuildTarget()).addFlavors(InternalFlavor.of("native-starter-cxx-source")).build();
    BuildRule rule;
    Optional<BuildRule> maybeRule = getRuleResolver().getRuleOptional(target);
    if (maybeRule.isPresent()) {
        rule = maybeRule.get();
    } else {
        BuildTarget templateTarget = BuildTarget.builder(getBaseParams().getBuildTarget()).addFlavors(InternalFlavor.of("native-starter-cxx-source-template")).build();
        WriteFile templateRule = getRuleResolver().addToIndex(new WriteFile(getBaseParams().withBuildTarget(templateTarget).copyReplacingDeclaredAndExtraDeps(Suppliers.ofInstance(ImmutableSortedSet.of()), Suppliers.ofInstance(ImmutableSortedSet.of())), getNativeStarterCxxSourceTemplate(), BuildTargets.getGenPath(getBaseParams().getProjectFilesystem(), templateTarget, "%s/native-starter.cpp.in"), /* executable */
        false));
        Path output = BuildTargets.getGenPath(getBaseParams().getProjectFilesystem(), target, "%s/native-starter.cpp");
        rule = getRuleResolver().addToIndex(WriteStringTemplateRule.from(getBaseParams(), getRuleFinder(), target, output, templateRule.getSourcePathToOutput(), ImmutableMap.of("MAIN_MODULE", Escaper.escapeAsPythonString(getMainModule()), "MODULES_DIR", getRelativeModulesDir().isPresent() ? Escaper.escapeAsPythonString(getRelativeModulesDir().get().toString()) : "NULL", "PY_MODULES_DIR", getRelativePythonModulesDir().isPresent() ? Escaper.escapeAsPythonString(getRelativePythonModulesDir().get().toString()) : "NULL", "EXT_SUFFIX", Escaper.escapeAsPythonString(getCxxPlatform().getSharedLibraryExtension())), /* executable */
        false));
    }
    return CxxSource.of(CxxSource.Type.CXX, Preconditions.checkNotNull(rule.getSourcePathToOutput()), ImmutableList.of());
}