Examples with JavacTask com.sun.source.util.JavacTask used on opensource projects

Example 36 with JavacTask

use of com.sun.source.util.JavacTask in project bazel by bazelbuild.

the class BlazeJavacMain method compile.

public static BlazeJavacResult compile(BlazeJavacArguments arguments) {
    List<String> javacArguments = arguments.javacOptions();
    try {
        javacArguments = processPluginArgs(arguments.plugins(), javacArguments);
    } catch (InvalidCommandLineException e) {
        return BlazeJavacResult.error(e.getMessage());
    }
    Context context = new Context();
    setupBlazeJavaCompiler(arguments.plugins(), context);
    boolean ok = false;
    StringWriter errOutput = new StringWriter();
    // TODO(cushon): where is this used when a diagnostic listener is registered? Consider removing
    // it and handling exceptions directly in callers.
    PrintWriter errWriter = new PrintWriter(errOutput);
    Listener diagnostics = new Listener(context);
    BlazeJavaCompiler compiler;
    try (JavacFileManager fileManager = new ClassloaderMaskingFileManager()) {
        JavacTask task = JavacTool.create().getTask(errWriter, fileManager, diagnostics, javacArguments, ImmutableList.of(), /*classes*/
        fileManager.getJavaFileObjectsFromPaths(arguments.sourceFiles()), context);
        if (arguments.processors() != null) {
            task.setProcessors(arguments.processors());
        }
        fileManager.setContext(context);
        setLocations(fileManager, arguments);
        try {
            ok = task.call();
        } catch (PropagatedException e) {
            throw e.getCause();
        }
    } catch (Throwable t) {
        t.printStackTrace(errWriter);
        ok = false;
    } finally {
        compiler = (BlazeJavaCompiler) JavaCompiler.instance(context);
        if (ok) {
            // or empty source files.
            if (compiler.skippedFlowEvents() > 0 && compiler.flowEvents() == 0) {
                errWriter.println("Expected at least one FLOW event");
                ok = false;
            }
        }
    }
    errWriter.flush();
    return new BlazeJavacResult(ok, filterDiagnostics(diagnostics.build()), errOutput.toString(), compiler);
}

Example 37 with JavacTask

use of com.sun.source.util.JavacTask in project bazel by bazelbuild.

the class JavacTurbineCompiler method compile.

static JavacTurbineCompileResult compile(JavacTurbineCompileRequest request) throws IOException {
    Map<String, OutputFileObject> files = new LinkedHashMap<>();
    Status status;
    StringWriter sw = new StringWriter();
    Context context = new Context();
    try (PrintWriter pw = new PrintWriter(sw)) {
        setupContext(context, request.strictJavaDepsPlugin());
        CacheFSInfo.preRegister(context);
        try (ZipOutputFileManager fm = new ZipOutputFileManager(files)) {
            JavacTask task = JavacTool.create().getTask(pw, fm, null, /*diagnostics*/
            request.javacOptions(), ImmutableList.of(), /*classes*/
            fm.getJavaFileObjectsFromPaths(request.sources()), context);
            fm.setContext(context);
            fm.setLocationFromPaths(StandardLocation.SOURCE_PATH, Collections.<Path>emptyList());
            fm.setLocationFromPaths(StandardLocation.CLASS_PATH, request.classPath());
            fm.setLocationFromPaths(StandardLocation.PLATFORM_CLASS_PATH, request.bootClassPath());
            fm.setLocationFromPaths(StandardLocation.ANNOTATION_PROCESSOR_PATH, request.processorClassPath());
            status = task.call() ? Status.OK : Status.ERROR;
        } catch (Throwable t) {
            t.printStackTrace(pw);
            status = Status.ERROR;
        }
    }
    return new JavacTurbineCompileResult(ImmutableMap.copyOf(files), status, sw, context);
}

Example 38 with JavacTask

use of com.sun.source.util.JavacTask in project bazel by bazelbuild.

the class JavacTurbineTest method compileLib.

private void compileLib(Path jar, Collection<Path> classpath, Iterable<? extends JavaFileObject> units) throws IOException {
    final Path outdir = temp.newFolder().toPath();
    JavacFileManager fm = new JavacFileManager(new Context(), false, UTF_8);
    fm.setLocationFromPaths(StandardLocation.CLASS_OUTPUT, Collections.singleton(outdir));
    fm.setLocationFromPaths(StandardLocation.CLASS_PATH, classpath);
    List<String> options = Arrays.asList("-d", outdir.toString());
    JavacTool tool = JavacTool.create();
    JavacTask task = tool.getTask(new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.err, UTF_8)), true), fm, null, options, null, units);
    assertThat(task.call()).isTrue();
    try (JarOutputStream jos = new JarOutputStream(Files.newOutputStream(jar))) {
        Files.walkFileTree(outdir, new SimpleFileVisitor<Path>() {

            @Override
            public FileVisitResult visitFile(Path path, BasicFileAttributes attrs) throws IOException {
                JarEntry je = new JarEntry(outdir.relativize(path).toString());
                jos.putNextEntry(je);
                Files.copy(path, jos);
                return FileVisitResult.CONTINUE;
            }
        });
    }
}

Example 39 with JavacTask

use of com.sun.source.util.JavacTask in project jdk8u_jdk by JetBrains.

the class FDTest method run.

void run(JavaCompiler tool, StandardJavaFileManager fm) throws Exception {
    JavacTask ct = (JavacTask) tool.getTask(null, fm, diagChecker, null, null, Arrays.asList(source));
    try {
        ct.analyze();
    } catch (Throwable ex) {
        fail("Error thrown when analyzing the following source:\n" + source.getCharContent(true));
    }
    check();
}

Example 40 with JavacTask

use of com.sun.source.util.JavacTask in project ceylon-compiler by ceylon.

the class T6402077 method main.

public static void main(String... args) throws IOException {
    class MyFileObject extends SimpleJavaFileObject {

        MyFileObject() {
            super(URI.create("myfo:///Test.java"), SOURCE);
        }

        @Override
        public String getCharContent(boolean ignoreEncodingErrors) {
            //      0123456789012345678901234
            return "class Test { Test() { } }";
        }
    }
    JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
    List<JavaFileObject> compilationUnits = Collections.<JavaFileObject>singletonList(new MyFileObject());
    JavacTask task = (JavacTask) javac.getTask(null, null, null, null, null, compilationUnits);
    Trees trees = Trees.instance(task);
    CompilationUnitTree toplevel = task.parse().iterator().next();
    Tree tree = ((ClassTree) toplevel.getTypeDecls().get(0)).getMembers().get(0);
    long pos = trees.getSourcePositions().getStartPosition(toplevel, tree);
    if (pos != 13)
        throw new AssertionError(String.format("Start pos for %s is incorrect (%s)!", tree, pos));
    pos = trees.getSourcePositions().getEndPosition(toplevel, tree);
    if (pos != 23)
        throw new AssertionError(String.format("End pos for %s is incorrect (%s)!", tree, pos));
}