Examples with ImmutableSet com.google.common.collect.ImmutableSet used on opensource projects

Example 61 with ImmutableSet

use of com.google.common.collect.ImmutableSet in project buck by facebook.

the class AuditFlavorsCommand method runWithoutHelp.

@Override
public int runWithoutHelp(CommandRunnerParams params) throws IOException, InterruptedException {
    ImmutableSet<BuildTarget> targets = getArgumentsFormattedAsBuildTargets(params.getBuckConfig()).stream().map(input -> BuildTargetParser.INSTANCE.parse(input, BuildTargetPatternParser.fullyQualified(), params.getCell().getCellPathResolver())).collect(MoreCollectors.toImmutableSet());
    if (targets.isEmpty()) {
        params.getBuckEventBus().post(ConsoleEvent.severe("Please specify at least one build target."));
        return 1;
    }
    ImmutableList.Builder<TargetNode<?, ?>> builder = ImmutableList.builder();
    try (CommandThreadManager pool = new CommandThreadManager("Audit", getConcurrencyLimit(params.getBuckConfig()))) {
        for (BuildTarget target : targets) {
            TargetNode<?, ?> targetNode = params.getParser().getTargetNode(params.getBuckEventBus(), params.getCell(), getEnableParserProfiling(), pool.getExecutor(), target);
            builder.add(targetNode);
        }
    } catch (BuildFileParseException | BuildTargetException e) {
        params.getBuckEventBus().post(ConsoleEvent.severe(MoreExceptions.getHumanReadableOrLocalizedMessage(e)));
        return 1;
    }
    ImmutableList<TargetNode<?, ?>> targetNodes = builder.build();
    if (shouldGenerateJsonOutput()) {
        printJsonFlavors(targetNodes, params);
    } else {
        printFlavors(targetNodes, params);
    }
    return 0;
}

Example 62 with ImmutableSet

use of com.google.common.collect.ImmutableSet in project buck by facebook.

the class NativeLinkables method getNativeLinkables.

/**
     * Extract from the dependency graph all the libraries which must be considered for linking.
     *
     * Traversal proceeds depending on whether each dependency is to be statically or dynamically
     * linked.
     *
     * @param linkStyle how dependencies should be linked, if their preferred_linkage is
     *                  {@code NativeLinkable.Linkage.ANY}.
     */
public static ImmutableMap<BuildTarget, NativeLinkable> getNativeLinkables(final CxxPlatform cxxPlatform, Iterable<? extends NativeLinkable> inputs, final Linker.LinkableDepType linkStyle, final Predicate<? super NativeLinkable> traverse) {
    final Map<BuildTarget, NativeLinkable> nativeLinkables = Maps.newHashMap();
    for (NativeLinkable nativeLinkable : inputs) {
        nativeLinkables.put(nativeLinkable.getBuildTarget(), nativeLinkable);
    }
    final MutableDirectedGraph<BuildTarget> graph = new MutableDirectedGraph<>();
    AbstractBreadthFirstTraversal<BuildTarget> visitor = new AbstractBreadthFirstTraversal<BuildTarget>(nativeLinkables.keySet()) {

        @Override
        public ImmutableSet<BuildTarget> visit(BuildTarget target) {
            NativeLinkable nativeLinkable = Preconditions.checkNotNull(nativeLinkables.get(target));
            graph.addNode(target);
            // We always traverse a rule's exported native linkables.
            Iterable<? extends NativeLinkable> nativeLinkableDeps = nativeLinkable.getNativeLinkableExportedDepsForPlatform(cxxPlatform);
            boolean shouldTraverse = true;
            switch(nativeLinkable.getPreferredLinkage(cxxPlatform)) {
                case ANY:
                    shouldTraverse = linkStyle != Linker.LinkableDepType.SHARED;
                    break;
                case SHARED:
                    shouldTraverse = false;
                    break;
                case STATIC:
                    shouldTraverse = true;
                    break;
            }
            // If we're linking this dependency statically, we also need to traverse its deps.
            if (shouldTraverse) {
                nativeLinkableDeps = Iterables.concat(nativeLinkableDeps, nativeLinkable.getNativeLinkableDepsForPlatform(cxxPlatform));
            }
            // Process all the traversable deps.
            ImmutableSet.Builder<BuildTarget> deps = ImmutableSet.builder();
            for (NativeLinkable dep : nativeLinkableDeps) {
                if (traverse.apply(dep)) {
                    BuildTarget depTarget = dep.getBuildTarget();
                    graph.addEdge(target, depTarget);
                    deps.add(depTarget);
                    nativeLinkables.put(depTarget, dep);
                }
            }
            return deps.build();
        }
    };
    visitor.start();
    // Topologically sort the rules.
    Iterable<BuildTarget> ordered = TopologicalSort.sort(graph).reverse();
    // Return a map of of the results.
    ImmutableMap.Builder<BuildTarget, NativeLinkable> result = ImmutableMap.builder();
    for (BuildTarget target : ordered) {
        result.put(target, nativeLinkables.get(target));
    }
    return result.build();
}

Example 63 with ImmutableSet

use of com.google.common.collect.ImmutableSet in project buck by facebook.

the class ExecutableFinder method getPaths.

private ImmutableSet<Path> getPaths(ImmutableMap<String, String> env) {
    ImmutableSet.Builder<Path> paths = ImmutableSet.builder();
    // Add the empty path so that when we iterate over it, we can check for the suffixed version of
    // a given path, be it absolute or not.
    paths.add(Paths.get(""));
    String pathEnv = env.get("PATH");
    if (pathEnv != null) {
        pathEnv = pathEnv.trim();
        paths.addAll(StreamSupport.stream(Splitter.on(pathSeparator).omitEmptyStrings().split(pathEnv).spliterator(), false).map(Paths::get).iterator());
    }
    if (platform == Platform.MACOS) {
        Path osXPaths = Paths.get("/etc/paths");
        if (Files.exists(osXPaths)) {
            try {
                paths.addAll(Files.readAllLines(osXPaths, Charset.defaultCharset()).stream().map(Paths::get).iterator());
            } catch (IOException e) {
                LOG.warn("Unable to read mac-specific paths. Skipping");
            }
        }
    }
    return paths.build();
}

Example 64 with ImmutableSet

use of com.google.common.collect.ImmutableSet in project buck by facebook.

the class JavaFileParser method extractFeaturesFromJavaCode.

public JavaFileFeatures extractFeaturesFromJavaCode(String code) {
    // For now, we will harcode this. Ultimately, we probably want to make this configurable via
    // .buckconfig. For example, the Buck project itself is diligent about disallowing wildcard
    // imports, but the one exception is the Java code generated via Thrift in src-gen.
    final boolean shouldThrowForUnsupportedWildcardImport = false;
    final AtomicBoolean isPoisonedByUnsupportedWildcardImport = new AtomicBoolean(false);
    final CompilationUnit compilationUnit = makeCompilationUnitFromSource(code);
    final ImmutableSortedSet.Builder<String> providedSymbols = ImmutableSortedSet.naturalOrder();
    final ImmutableSortedSet.Builder<String> requiredSymbols = ImmutableSortedSet.naturalOrder();
    final ImmutableSortedSet.Builder<String> exportedSymbols = ImmutableSortedSet.naturalOrder();
    final ImmutableSortedSet.Builder<String> requiredSymbolsFromExplicitImports = ImmutableSortedSet.naturalOrder();
    compilationUnit.accept(new ASTVisitor() {

        @Nullable
        private String packageName;

        /** Maps simple name to fully-qualified name. */
        private Map<String, String> simpleImportedTypes = new HashMap<>();

        /**
       * Maps wildcard import prefixes, such as {@code "java.util"} to the types in the respective
       * package if a wildcard import such as {@code import java.util.*} is used.
       */
        private Map<String, ImmutableSet<String>> wildcardImports = new HashMap<>();

        @Override
        public boolean visit(PackageDeclaration node) {
            Preconditions.checkState(packageName == null, "There should be at most one package declaration");
            packageName = node.getName().getFullyQualifiedName();
            return false;
        }

        // providedSymbols
        @Override
        public boolean visit(TypeDeclaration node) {
            // Local classes can be declared inside of methods. Skip over these.
            if (node.getParent() instanceof TypeDeclarationStatement) {
                return true;
            }
            String fullyQualifiedName = getFullyQualifiedTypeName(node);
            if (fullyQualifiedName != null) {
                providedSymbols.add(fullyQualifiedName);
            }
            @SuppressWarnings("unchecked") List<Type> interfaceTypes = node.superInterfaceTypes();
            for (Type interfaceType : interfaceTypes) {
                tryAddType(interfaceType, DependencyType.EXPORTED);
            }
            Type superclassType = node.getSuperclassType();
            if (superclassType != null) {
                tryAddType(superclassType, DependencyType.EXPORTED);
            }
            return true;
        }

        @Override
        public boolean visit(EnumDeclaration node) {
            String fullyQualifiedName = getFullyQualifiedTypeName(node);
            if (fullyQualifiedName != null) {
                providedSymbols.add(fullyQualifiedName);
            }
            return true;
        }

        @Override
        public boolean visit(AnnotationTypeDeclaration node) {
            String fullyQualifiedName = getFullyQualifiedTypeName(node);
            if (fullyQualifiedName != null) {
                providedSymbols.add(fullyQualifiedName);
            }
            return true;
        }

        // requiredSymbols
        /**
       * Uses heuristics to try to figure out what type of QualifiedName this is. Returns a non-null
       * value if this is believed to be a reference that qualifies as a "required symbol"
       * relationship.
       */
        @Override
        public boolean visit(QualifiedName node) {
            QualifiedName ancestor = findMostQualifiedAncestor(node);
            ASTNode parent = ancestor.getParent();
            if (!(parent instanceof PackageDeclaration) && !(parent instanceof ImportDeclaration)) {
                String symbol = ancestor.getFullyQualifiedName();
                // lookup.
                if (CharMatcher.javaUpperCase().matches(symbol.charAt(0))) {
                    addTypeFromDotDelimitedSequence(symbol, DependencyType.REQUIRED);
                }
            }
            return false;
        }

        /**
       * @param expr could be "Example", "Example.field", "com.example.Example". Note it could also
       *     be a built-in type, such as "java.lang.Integer", in which case it will not be added to
       *     the set of required symbols.
       */
        private void addTypeFromDotDelimitedSequence(String expr, DependencyType dependencyType) {
            // check it against JAVA_LANG_TYPES.
            if (startsWithUppercaseChar(expr)) {
                int index = expr.indexOf('.');
                if (index >= 0) {
                    String leftmostComponent = expr.substring(0, index);
                    if (JAVA_LANG_TYPES.contains(leftmostComponent)) {
                        return;
                    }
                }
            }
            expr = qualifyWithPackageNameIfNecessary(expr);
            addSymbol(expr, dependencyType);
        }

        @Override
        public boolean visit(ImportDeclaration node) {
            String fullyQualifiedName = node.getName().getFullyQualifiedName();
            // third-party code. As such, we will tolerate these for some of the common cases.
            if (node.isOnDemand()) {
                ImmutableSet<String> value = SUPPORTED_WILDCARD_IMPORTS.get(fullyQualifiedName);
                if (value != null) {
                    wildcardImports.put(fullyQualifiedName, value);
                    return false;
                } else if (shouldThrowForUnsupportedWildcardImport) {
                    throw new RuntimeException(String.format("Use of wildcard 'import %s.*' makes it impossible to statically determine " + "required symbols in this file. Please enumerate explicit imports.", fullyQualifiedName));
                } else {
                    isPoisonedByUnsupportedWildcardImport.set(true);
                    return false;
                }
            }
            // Only worry about the dependency on the enclosing type.
            Optional<String> simpleName = getSimpleNameFromFullyQualifiedName(fullyQualifiedName);
            if (simpleName.isPresent()) {
                String name = simpleName.get();
                int index = fullyQualifiedName.indexOf("." + name);
                String enclosingType = fullyQualifiedName.substring(0, index + name.length() + 1);
                requiredSymbolsFromExplicitImports.add(enclosingType);
                simpleImportedTypes.put(name, enclosingType);
            } else {
                LOG.warn("Suspicious import lacks obvious enclosing type: %s", fullyQualifiedName);
                // The one example we have seen of this in the wild is
                // "org.whispersystems.curve25519.java.curve_sigs". In practice, we still need to add it
                // as a required symbol in this case.
                requiredSymbols.add(fullyQualifiedName);
            }
            return false;
        }

        @Override
        public boolean visit(MethodInvocation node) {
            if (node.getExpression() == null) {
                return true;
            }
            String receiver = node.getExpression().toString();
            if (looksLikeAType(receiver)) {
                addTypeFromDotDelimitedSequence(receiver, DependencyType.REQUIRED);
            }
            return true;
        }

        /** An annotation on a member with zero arguments. */
        @Override
        public boolean visit(MarkerAnnotation node) {
            DependencyType dependencyType = findDependencyTypeForAnnotation(node);
            addSimpleTypeName(node.getTypeName(), dependencyType);
            return true;
        }

        /** An annotation on a member with named arguments. */
        @Override
        public boolean visit(NormalAnnotation node) {
            DependencyType dependencyType = findDependencyTypeForAnnotation(node);
            addSimpleTypeName(node.getTypeName(), dependencyType);
            return true;
        }

        /** An annotation on a member with a single, unnamed argument. */
        @Override
        public boolean visit(SingleMemberAnnotation node) {
            DependencyType dependencyType = findDependencyTypeForAnnotation(node);
            addSimpleTypeName(node.getTypeName(), dependencyType);
            return true;
        }

        private DependencyType findDependencyTypeForAnnotation(Annotation annotation) {
            ASTNode parentNode = annotation.getParent();
            if (parentNode == null) {
                return DependencyType.REQUIRED;
            }
            if (parentNode instanceof BodyDeclaration) {
                // Note that BodyDeclaration is an abstract class. Its subclasses are things like
                // FieldDeclaration and MethodDeclaration. We want to be sure that an annotation on any
                // non-private declaration is considered an exported symbol.
                BodyDeclaration declaration = (BodyDeclaration) parentNode;
                int modifiers = declaration.getModifiers();
                if ((modifiers & Modifier.PRIVATE) == 0) {
                    return DependencyType.EXPORTED;
                }
            }
            return DependencyType.REQUIRED;
        }

        @Override
        public boolean visit(SimpleType node) {
            // This method is responsible for finding the overwhelming majority of the required symbols
            // in the AST.
            tryAddType(node, DependencyType.REQUIRED);
            return true;
        }

        // exportedSymbols
        @Override
        public boolean visit(MethodDeclaration node) {
            // Types from private method signatures need not be exported.
            if ((node.getModifiers() & Modifier.PRIVATE) != 0) {
                return true;
            }
            Type returnType = node.getReturnType2();
            if (returnType != null) {
                tryAddType(returnType, DependencyType.EXPORTED);
            }
            @SuppressWarnings("unchecked") List<SingleVariableDeclaration> params = node.parameters();
            for (SingleVariableDeclaration decl : params) {
                tryAddType(decl.getType(), DependencyType.EXPORTED);
            }
            @SuppressWarnings("unchecked") List<Type> exceptions = node.thrownExceptionTypes();
            for (Type exception : exceptions) {
                tryAddType(exception, DependencyType.EXPORTED);
            }
            return true;
        }

        @Override
        public boolean visit(FieldDeclaration node) {
            // Types from private fields need not be exported.
            if ((node.getModifiers() & Modifier.PRIVATE) == 0) {
                tryAddType(node.getType(), DependencyType.EXPORTED);
            }
            return true;
        }

        private void tryAddType(Type type, DependencyType dependencyType) {
            if (type.isSimpleType()) {
                SimpleType simpleType = (SimpleType) type;
                Name simpleTypeName = simpleType.getName();
                String simpleName = simpleTypeName.toString();
                // rather than simply required.
                if (!CharMatcher.javaUpperCase().matchesAllOf(simpleName) || (dependencyType == DependencyType.EXPORTED && simpleImportedTypes.containsKey(simpleName))) {
                    addSimpleTypeName(simpleTypeName, dependencyType);
                }
            } else if (type.isArrayType()) {
                ArrayType arrayType = (ArrayType) type;
                tryAddType(arrayType.getElementType(), dependencyType);
            } else if (type.isParameterizedType()) {
                ParameterizedType parameterizedType = (ParameterizedType) type;
                tryAddType(parameterizedType.getType(), dependencyType);
                @SuppressWarnings("unchecked") List<Type> argTypes = parameterizedType.typeArguments();
                for (Type argType : argTypes) {
                    tryAddType(argType, dependencyType);
                }
            }
        }

        private void addSimpleTypeName(Name simpleTypeName, DependencyType dependencyType) {
            String simpleName = simpleTypeName.toString();
            if (JAVA_LANG_TYPES.contains(simpleName)) {
                return;
            }
            String fullyQualifiedNameForSimpleName = simpleImportedTypes.get(simpleName);
            if (fullyQualifiedNameForSimpleName != null) {
                // May need to promote from required to exported in this case.
                if (dependencyType == DependencyType.EXPORTED) {
                    addSymbol(fullyQualifiedNameForSimpleName, DependencyType.EXPORTED);
                }
                return;
            }
            // the iterator most of the time.
            if (!wildcardImports.isEmpty()) {
                for (Map.Entry<String, ImmutableSet<String>> entry : wildcardImports.entrySet()) {
                    Set<String> types = entry.getValue();
                    if (types.contains(simpleName)) {
                        String packageName = entry.getKey();
                        addSymbol(packageName + "." + simpleName, dependencyType);
                        return;
                    }
                }
            }
            String symbol = simpleTypeName.getFullyQualifiedName();
            symbol = qualifyWithPackageNameIfNecessary(symbol);
            addSymbol(symbol, dependencyType);
        }

        private void addSymbol(String symbol, DependencyType dependencyType) {
            ((dependencyType == DependencyType.REQUIRED) ? requiredSymbols : exportedSymbols).add(symbol);
        }

        private String qualifyWithPackageNameIfNecessary(String symbol) {
            if (!startsWithUppercaseChar(symbol)) {
                return symbol;
            }
            // If the symbol starts with a capital letter, then we assume that it is a reference to
            // a type in the same package.
            int index = symbol.indexOf('.');
            if (index >= 0) {
                symbol = symbol.substring(0, index);
            }
            if (packageName != null) {
                symbol = packageName + "." + symbol;
            }
            return symbol;
        }
    });
    // TODO(bolinfest): Special treatment for exportedSymbols when poisoned by wildcard import.
    ImmutableSortedSet<String> totalExportedSymbols = exportedSymbols.build();
    // If we were poisoned by an unsupported wildcard import, then we should rely exclusively on
    // the explicit imports to determine the required symbols.
    Set<String> totalRequiredSymbols = new HashSet<>();
    if (isPoisonedByUnsupportedWildcardImport.get()) {
        totalRequiredSymbols.addAll(requiredSymbolsFromExplicitImports.build());
    } else {
        totalRequiredSymbols.addAll(requiredSymbolsFromExplicitImports.build());
        totalRequiredSymbols.addAll(requiredSymbols.build());
    }
    // Make sure that required and exported symbols are disjoint sets.
    totalRequiredSymbols.removeAll(totalExportedSymbols);
    return new JavaFileFeatures(providedSymbols.build(), ImmutableSortedSet.copyOf(totalRequiredSymbols), totalExportedSymbols);
}

Example 65 with ImmutableSet

use of com.google.common.collect.ImmutableSet in project buck by facebook.

the class Jsr199Javac method buildWithClasspath.

@Override
public int buildWithClasspath(JavacExecutionContext context, BuildTarget invokingRule, ImmutableList<String> options, ImmutableList<ResolvedJavacPluginProperties> annotationProcessors, ImmutableSortedSet<Path> javaSourceFilePaths, Path pathToSrcsList, Optional<Path> workingDirectory, JavacOptions.AbiGenerationMode abiGenerationMode) {
    JavaCompiler compiler = createCompiler(context);
    CustomZipOutputStream jarOutputStream = null;
    StandardJavaFileManager fileManager = null;
    JavaInMemoryFileManager inMemoryFileManager = null;
    try {
        fileManager = compiler.getStandardFileManager(null, null, null);
        Supplier<ImmutableSet<String>> alreadyAddedFilesAvailableAfterCompilation = Suppliers.ofInstance(ImmutableSet.of());
        if (context.getDirectToJarOutputSettings().isPresent()) {
            Path path = context.getProjectFilesystem().getPathForRelativePath(context.getDirectToJarOutputSettings().get().getDirectToJarOutputPath());
            jarOutputStream = ZipOutputStreams.newOutputStream(path, ZipOutputStreams.HandleDuplicates.APPEND_TO_ZIP);
            inMemoryFileManager = new JavaInMemoryFileManager(fileManager, path, jarOutputStream, context.getDirectToJarOutputSettings().get().getClassesToRemoveFromJar());
            alreadyAddedFilesAvailableAfterCompilation = inMemoryFileManager::getEntries;
            fileManager = inMemoryFileManager;
        }
        Iterable<? extends JavaFileObject> compilationUnits;
        try {
            compilationUnits = createCompilationUnits(fileManager, context.getProjectFilesystem()::resolve, javaSourceFilePaths);
        } catch (IOException e) {
            LOG.warn(e, "Error building compilation units");
            return 1;
        }
        try {
            int result = buildWithClasspath(context, invokingRule, options, annotationProcessors, javaSourceFilePaths, pathToSrcsList, compiler, fileManager, compilationUnits, abiGenerationMode);
            if (result != 0 || !context.getDirectToJarOutputSettings().isPresent()) {
                return result;
            }
            return JarDirectoryStepHelper.createJarFile(context.getProjectFilesystem(), context.getDirectToJarOutputSettings().get().getDirectToJarOutputPath(), Preconditions.checkNotNull(jarOutputStream), context.getDirectToJarOutputSettings().get().getEntriesToJar(), alreadyAddedFilesAvailableAfterCompilation.get(), context.getDirectToJarOutputSettings().get().getMainClass(), context.getDirectToJarOutputSettings().get().getManifestFile(), /* mergeManifests */
            true, /* blacklist */
            ImmutableSet.of(), context.getEventSink(), context.getStdErr());
        } finally {
            close(compilationUnits);
        }
    } catch (IOException e) {
        LOG.warn(e, "Unable to create jarOutputStream");
    } finally {
        closeResources(fileManager, inMemoryFileManager, jarOutputStream);
    }
    return 1;
}