Quelle Build.java Sprache: JAVA

/*  Title:      Tools/Setup/src/Build.java
    Author:     Makarius

Build Isabelle/Scala/Java modules.
*/

package isabelle.setup;

import java.io.BufferedOutputStream;
import java.io.CharArrayWriter;
import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
import java.math.BigInteger;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardCopyOption;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.LinkedList;
import java.util.List;
import java.util.Locale;
import java.util.Properties;
import java.util.TreeMap;
import java.util.jar.Attributes;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.jar.JarOutputStream;
import java.util.jar.Manifest;
import java.util.stream.Stream;

import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.StandardJavaFileManager;
import javax.tools.ToolProvider;

import dotty.tools.dotc.Driver;
import dotty.tools.dotc.interfaces.Diagnostic;
import dotty.tools.dotc.interfaces.ReporterResult;
import dotty.tools.dotc.interfaces.SimpleReporter;

public class Build
{
    /** SHA1 digest **/

    @FunctionalInterface
    public interface Digest_Body
    {
      void apply(MessageDigest sha) throws IOException, InterruptedException;
    }

    public static String make_digest(Digest_Body body)
      throws NoSuchAlgorithmException, IOException, InterruptedException
    {
        MessageDigest sha = MessageDigest.getInstance("SHA");
        body.apply(sha);
        return String.format(Locale.ROOT, "%040x", new BigInteger(1, sha.digest()));
    }

    public static String make_shasum(String name, Digest_Body body)
      throws NoSuchAlgorithmException, IOException, InterruptedException
    {
        return make_digest(body) + " " + name + "\n";
    }

    /** context **/

    public static String BUILD_PROPS = "build.props";
    public static String COMPONENT_BUILD_PROPS = "etc/build.props";
    public static String META_INFO = "";

    public static String TITLE = "title";
    public static String MODULE = "module";
    public static String NO_BUILD = "no_build";

    public static Context component_context(Path dir)
        throws IOException
    {
        Properties props = new Properties();
        Path props_path = dir.resolve(COMPONENT_BUILD_PROPS);
        props.load(Files.newBufferedReader(props_path));
        return new Context(dir, props, props_path.toString());
    }

    public static List<Context> component_contexts()
        throws IOException, InterruptedException
    {
        List<Context> result = new LinkedList<Context>();
        for (String p : Environment.getenv("ISABELLE_COMPONENTS").split(":", -1)) {
            if (!p.isEmpty()) {
                Path dir = Path.of(Environment.platform_path(p));
                if (Files.isRegularFile(dir.resolve(COMPONENT_BUILD_PROPS))) {
                    result.add(component_context(dir));
                }
            }
        }
        return List.copyOf(result);
    }

    public static class Context
    {
        private final Path _dir;
        private final Properties _props;
        private final String _location;

        public Context(Path dir, Properties props, String location)
        {
            _dir = dir;
            _props = props;
            _location = location;
        }

        @Override public String toString() { return _dir.toString(); }

        public String error_message(String msg)
        {
            if (_location == null || _location.isEmpty()) {
                return msg;
            }
            else {
                return msg +" (in " + Library.quote(_location) + ")";
            }
        }

        public boolean get_bool(String name) {
            String prop = _props.getProperty(name, "false");
            switch(prop) {
                case "true": return true;
                case "false": return false;
                default:
                    throw new RuntimeException(
                        error_message("Bad boolean property " + Library.quote(name) + ": " + Library.quote(prop)));
            }
        }

        public String title() { return _props.getProperty(TITLE, ""); }

        public String module_name() { return _props.getProperty(MODULE, ""); }
        public String module_result() { return get_bool(NO_BUILD) ? "" : module_name(); }

        public String scalac_options() { return _props.getProperty("scalac_options", ""); }
        public String javac_options() { return _props.getProperty("javac_options", ""); }
        public String main() { return _props.getProperty("main", ""); }

        private List<String> get_list(String name)
        {
            List<String> list = new LinkedList<String>();
            for (String s : _props.getProperty(name, "").split("\\s+")) {
                if (!s.isEmpty()) { list.add(s); }
            }
            return List.copyOf(list);
        }
        public List<String> requirements() { return get_list("requirements"); }
        public List<String> sources() { return get_list("sources"); }
        public List<String> resources() { return get_list("resources"); }
        public List<String> services() { return get_list("services"); }

        public boolean is_vacuous()
        {
            return sources().isEmpty() && resources().isEmpty() && services().isEmpty();
        }

        public Path path(String file)
            throws IOException, InterruptedException
        {
            return _dir.resolve(Environment.expand_platform_path(file));
        }

        public List<Path> requirement_paths(String s)
            throws IOException, InterruptedException
        {
            if (s.startsWith("env:")) {
                List<Path> paths = new LinkedList<Path>();
                for (String p : Environment.getenv(s.substring(4)).split(":", -1)) {
                    if (!p.isEmpty()) {
                        Path path = Path.of(Environment.platform_path(p));
                        paths.add(path);
                    }
                }
                return List.copyOf(paths);
            }
            else { return List.of(path(s)); }
        }

        public String item_name(String s)
        {
            int i = s.indexOf(':');
            return i > 0 ? s.substring(0, i) : s;
        }

        public String item_target(String s)
        {
            int i = s.indexOf(':');
            return i > 0 ? s.substring(i + 1) : s;
        }

        public String shasum(String name, List<Path> paths)
            throws NoSuchAlgorithmException, IOException, InterruptedException
        {
            return make_shasum(name, sha ->
                {
                    for (Path file : paths) {
                        if (Files.isRegularFile(file)) {
                            sha.update(Files.readAllBytes(file));
                        }
                        else {
                            throw new RuntimeException(
                                error_message("Bad input file " + Library.quote(file.toString())));
                        }
                    }
                });
        }

        public String shasum(String file)
            throws NoSuchAlgorithmException, IOException, InterruptedException
        {
            return shasum(file, List.of(path(file)));
        }

        public String shasum_meta_info()
            throws NoSuchAlgorithmException, IOException, InterruptedException
        {
            TreeMap<String,Object> sorted = new TreeMap<String,Object>();
            for (Object x : _props.entrySet()) {
                sorted.put(x.toString(), _props.get(x));
            }
            return make_shasum(META_INFO,
                    sha -> sha.update(sorted.toString().getBytes(StandardCharsets.UTF_8)));
        }
    }

    /** compile sources **/

    private static void add_options(List<String> options_list, String options)
    {
        if (options != null) {
            for (String s : options.split("\\s+")) {
                if (!s.isEmpty()) { options_list.add(s); }
            }
        }
    }

    public static void compile_scala_sources(
        PrintStream output,
        Path target_dir,
        String more_options,
        List<Path> deps,
        List<Path> sources) throws IOException, InterruptedException
    {
        ArrayList<String> args = new ArrayList<String>();
        add_options(args, Environment.getenv("ISABELLE_SCALAC_OPTIONS"));
        add_options(args, more_options);
        args.add("-d");
        args.add(target_dir.toString());
        args.add("-bootclasspath");
        args.add(Environment.join_platform_paths(deps));
        args.add("--");

        boolean scala_sources = false;
        for (Path p : sources) {
            args.add(p.toString());
            if (p.toString().endsWith(".scala")) { scala_sources = true; }
        }
        if (scala_sources) {
            String[] args_array = args.toArray(String[]::new);
            SimpleReporter reporter = new SimpleReporter() {
                @Override
                public void report(Diagnostic diagnostic) {
                    output.println(diagnostic.message());
                }
            };
            new Driver().process(args_array, reporter, null);
            ReporterResult result = new Driver().process(args_array);
            if (result.hasErrors()) { throw new RuntimeException("Failed to compile Scala sources"); }
        }
    }

    public static void compile_java_sources(
        PrintStream output,
        Path target_dir,
        String more_options,
        List<Path> deps,
        List<Path> sources) throws IOException, InterruptedException
    {
        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
        StandardJavaFileManager file_manager =
            compiler.getStandardFileManager(null, Locale.ROOT, StandardCharsets.UTF_8);

        List<String> options = new LinkedList<String>();
        add_options(options, Environment.getenv("ISABELLE_JAVAC_OPTIONS"));
        add_options(options, more_options);
        options.add("-d");
        options.add(target_dir.toString());
        options.add("-classpath");
        options.add(Environment.join_platform_paths(deps));

        List<JavaFileObject> java_sources = new LinkedList<JavaFileObject>();
        for (Path p : sources) {
            if (p.toString().endsWith(".java")) {
                for (JavaFileObject o : file_manager.getJavaFileObjectsFromPaths(List.of(p))) {
                    java_sources.add(o);
                }
            }
        }

        if (!java_sources.isEmpty()) {
            CharArrayWriter out = new CharArrayWriter();
            boolean ok = compiler.getTask(out, file_manager, null, options, null, java_sources).call();
            out.flush();

            String msg = Library.trim_line(out.toString());
            if (ok) { if (!msg.isEmpty()) { output.print(msg + "\n"); } }
            else {
                throw new RuntimeException(
                    (msg.isEmpty() ? "" : msg + "\n") + "Failed to compile Java sources");
            }
        }
    }

    /** shasum for jar content **/

    private static String SHASUM = "META-INF/isabelle/shasum";

    public static String get_shasum(Path jar_path)
    {
        try {
            try (JarFile jar_file = new JarFile(jar_path.toFile()))
            {
                JarEntry entry = jar_file.getJarEntry(SHASUM);
                if (entry != null) {
                    byte[] bytes = jar_file.getInputStream(entry).readAllBytes();
                    return new String(bytes, StandardCharsets.UTF_8);
                }
                else { return ""; }
            }
        }
        catch (IOException exn) { return ""; }
    }

    public static void create_shasum(Path dir, String shasum)
        throws IOException
    {
        Path path = dir.resolve(SHASUM);
        Files.createDirectories(path.getParent());
        Files.writeString(path, shasum);
    }

    /** services **/

    private static String SERVICES = "META-INF/isabelle/services";

    public static List<String> get_services(Path jar_path)
        throws IOException
    {
        if (Files.isRegularFile(jar_path)) {
            try (JarFile jar_file = new JarFile(jar_path.toFile()))
            {
                JarEntry entry = jar_file.getJarEntry(SERVICES);
                if (entry != null) {
                    byte[] bytes = jar_file.getInputStream(entry).readAllBytes();
                    return Library.split_lines(new String(bytes, StandardCharsets.UTF_8));
                }
                else { return List.of(); }
            }
        }
        else { return List.of(); }
    }

    public static void create_services(Path dir, List<String> services)
        throws IOException
    {
        if (!services.isEmpty()) {
            Path path = dir.resolve(SERVICES);
            Files.createDirectories(path.getParent());
            Files.writeString(path, Library.cat_lines(services));
        }
    }

    /** create jar **/

    public static void create_jar(Path dir, String main, Path jar)
        throws IOException
    {
        Files.createDirectories(dir.resolve(jar).getParent());
        Files.deleteIfExists(jar);

        Manifest manifest = new Manifest();
        Attributes attributes = manifest.getMainAttributes();
        attributes.put(Attributes.Name.MANIFEST_VERSION, "1.0");
        attributes.put(new Attributes.Name("Created-By"),
            System.getProperty("java.version") + " (" + System.getProperty("java.vendor") + ")");
        if (!main.isEmpty()) { attributes.put(Attributes.Name.MAIN_CLASS, main); }

        try (JarOutputStream out =
            new JarOutputStream(new BufferedOutputStream(Files.newOutputStream(jar)), manifest))
        {
            for (Path path : Files.walk(dir).sorted().toArray(Path[]::new)) {
                boolean is_dir = Files.isDirectory(path);
                boolean is_file = Files.isRegularFile(path);
                if (is_dir || is_file) {
                    String name = Environment.slashes(dir.relativize(path).toString());
                    if (!name.isEmpty()) {
                        JarEntry entry = new JarEntry(is_dir ? name + "/" : name);
                        entry.setTime(path.toFile().lastModified());
                        out.putNextEntry(entry);
                        if (is_file) { out.write(Files.readAllBytes(path)); }
                        out.closeEntry();
                    }
                }
            }
        }
    }

    /** classpath **/

    public static List<Path> classpath()
        throws IOException, InterruptedException
    {
        List<Path> result = new LinkedList<Path>();
        for (Context context : component_contexts()) {
            String module = context.module_result();
            if (!module.isEmpty()) { result.add(context.path(module)); }
        }
        return List.copyOf(result);
    }

    public static List<String> services()
        throws IOException, InterruptedException
    {
        List<String> result = new LinkedList<String>();
        for (Context context : component_contexts()) {
            for (String s : context.services()) {
                result.add(s);
            }
        }
        return List.copyOf(result);
    }

    /** build **/

    public static void build(List<Path> classpath, PrintStream output, Context context, boolean fresh)
        throws NoSuchAlgorithmException, IOException, InterruptedException
    {
        String module = context.module_result();
        if (!module.isEmpty()) {
            String title = context.title();

            Path jar_path = context.path(module);
            String jar_name = jar_path.toString();
            if (!jar_name.endsWith(".jar")) {
                throw new RuntimeException(
                    context.error_message("Bad jar module " + Library.quote(jar_name)));
            }

            if (context.is_vacuous()) { Files.deleteIfExists(jar_path); }
            else {
                List<String> requirements = context.requirements();
                List<String> resources = context.resources();
                List<String> sources = context.sources();

                String shasum_old = get_shasum(jar_path);
                String shasum;
                List<Path> compiler_deps = new LinkedList<Path>();
                {
                    StringBuilder _shasum = new StringBuilder();
                    _shasum.append(context.shasum_meta_info());
                    for (String s : requirements) {
                        List<Path> paths = context.requirement_paths(s);
                        compiler_deps.addAll(paths);
                        _shasum.append(context.shasum(s, paths));
                    }
                    for (String s : resources) {
                        _shasum.append(context.shasum(context.item_name(s)));
                    }
                    for (String s : sources) { _shasum.append(context.shasum(s)); }
                    shasum = _shasum.toString();
                }
                if (fresh || !shasum_old.equals(shasum)) {
                    if (!title.isEmpty()) {
                        output.print("### Building " + title + " (" + jar_path + ") ...\n");
                    }

                    Path build_dir = Files.createTempDirectory("isabelle");
                    try {
                        /* compile sources */

                        compiler_deps.addAll(classpath);

                        List<Path> compiler_sources = new LinkedList<Path>();
                        for (String s : sources) { compiler_sources.add(context.path(s)); }

                        compile_scala_sources(output, build_dir,
                            context.scalac_options(), compiler_deps, compiler_sources);

                        compiler_deps.add(build_dir);
                        compile_java_sources(output, build_dir,
                            context.javac_options(), compiler_deps, compiler_sources);

                        /* copy resources */

                        for (String s : context.resources()) {
                            String name = context.item_name(s);
                            String target = context.item_target(s);
                            Path file_name = Path.of(name).normalize().getFileName();
                            Path target_path = Path.of(target).normalize();

                            Path target_dir;
                            Path target_file;
                            {
                                if (target.endsWith("/") || target.endsWith("/.")) {
                                    target_dir = build_dir.resolve(target_path);
                                    target_file = target_dir.resolve(file_name);
                                }
                                else {
                                    target_file = build_dir.resolve(target_path);
                                    target_dir = target_file.getParent();
                                }
                            }
                            Files.createDirectories(target_dir);
                            Files.copy(context.path(name), target_file,
                                StandardCopyOption.COPY_ATTRIBUTES);
                        }

                        /* packaging */

                        create_shasum(build_dir, shasum);
                        create_services(build_dir, context.services());
                        create_jar(build_dir, context.main(), jar_path);
                    }
                    finally {
                        try (Stream<Path> walk = Files.walk(build_dir)) {
                            walk.sorted(Comparator.reverseOrder())
                                .map(Path::toFile)
                                .forEach(File::delete);
                        }
                    }
                }
            }
        }
    }

    public static void build_components(PrintStream output, boolean fresh)
        throws NoSuchAlgorithmException, IOException, InterruptedException
    {
        List<Path> classpath = new LinkedList<Path>();
        for (String s : Environment.getenv("ISABELLE_CLASSPATH").split(":", -1)) {
            if (!s.isEmpty()) {
                classpath.add(Path.of(Environment.platform_path(s)));
            }
        }

        for (Context context : component_contexts()) {
            build(classpath, output, context, fresh);
        }
    }
}

quality76%

¤ Dauer der Verarbeitung: 0.19 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.