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

Example 76 with JavacTask

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

the class OverrideBridge method compile.

static Map<ClassFile, List<Method>> compile(Implementation implB, Implementation implC, Implementation implD, String destPath) throws Exception {
    File destDir = new File(workDir, destPath);
    destDir.mkdir();
    final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
    JavaSource source = new JavaSource(implB, implC, implD);
    JavacTask ct = (JavacTask) tool.getTask(null, null, null, Arrays.asList("-d", destPath), null, Arrays.asList(source));
    ct.generate();
    Map<ClassFile, List<Method>> members = new HashMap<>();
    addMembers(destDir, members);
    return members;
}

Example 77 with JavacTask

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

the class GenStubs method run.

boolean run(String sourcepath, File outdir, List<String> classes) {
    // System.err.println("run: sourcepath:" + sourcepath + " outdir:" + outdir + " classes:" + classes);
    if (sourcepath == null)
        throw new IllegalArgumentException("sourcepath not set");
    if (outdir == null)
        throw new IllegalArgumentException("source output dir not set");
    JavacTool tool = JavacTool.create();
    StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
    try {
        fm.setLocation(StandardLocation.SOURCE_OUTPUT, Collections.singleton(outdir));
        fm.setLocation(StandardLocation.SOURCE_PATH, splitPath(sourcepath));
        List<JavaFileObject> files = new ArrayList<JavaFileObject>();
        for (String c : classes) {
            JavaFileObject fo = fm.getJavaFileForInput(StandardLocation.SOURCE_PATH, c, JavaFileObject.Kind.SOURCE);
            if (fo == null)
                error("class not found: " + c);
            else
                files.add(fo);
        }
        JavacTask t = tool.getTask(null, fm, null, null, null, files);
        Iterable<? extends CompilationUnitTree> trees = t.parse();
        for (CompilationUnitTree tree : trees) {
            makeStub(fm, tree);
        }
    } catch (IOException e) {
        error("IO error " + e, e);
    }
    return (errors == 0);
}

Example 78 with JavacTask

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

the class T6963934 method main.

public static void main(String[] args) throws Exception {
    File testSrc = new File(System.getProperty("test.src"));
    File thisSrc = new File(testSrc, T6963934.class.getSimpleName() + ".java");
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    StandardJavaFileManager fileManager = compiler.getStandardFileManager(null, null, null);
    JavacTask task = (JavacTask) compiler.getTask(null, fileManager, null, null, null, fileManager.getJavaFileObjects(thisSrc));
    CompilationUnitTree tree = task.parse().iterator().next();
    int count = 0;
    for (ImportTree importTree : tree.getImports()) {
        System.out.println(importTree);
        count++;
    }
    int expected = 7;
    if (count != expected)
        throw new Exception("unexpected number of imports found: " + count + ", expected: " + expected);
}

Example 79 with JavacTask

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

the class TreePosTest method read.

/**
 * Read a file.
 * @param file the file to be read
 * @return the tree for the content of the file
 * @throws IOException if any IO errors occur
 * @throws TreePosTest.ParseException if any errors occur while parsing the file
 */
JCCompilationUnit read(File file) throws IOException, ParseException {
    JavacTool tool = JavacTool.create();
    r.errors = 0;
    Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(file);
    JavacTask task = tool.getTask(pw, fm, r, Collections.<String>emptyList(), null, files);
    Iterable<? extends CompilationUnitTree> trees = task.parse();
    pw.flush();
    if (r.errors > 0)
        throw new ParseException(sw.toString());
    Iterator<? extends CompilationUnitTree> iter = trees.iterator();
    if (!iter.hasNext())
        throw new Error("no trees found");
    JCCompilationUnit t = (JCCompilationUnit) iter.next();
    if (iter.hasNext())
        throw new Error("too many trees found");
    return t;
}

Example 80 with JavacTask

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

the class Main method main.

public static void main(String[] args) throws Exception {
    JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
    StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
    fm.setLocation(CLASS_PATH, Collections.<File>emptyList());
    JavacTask javac = (JavacTask) tool.getTask(null, fm, null, null, null, null);
    Elements elements = javac.getElements();
    final Set<String> packages = new LinkedHashSet<String>();
    int nestedClasses = 0;
    int classes = 0;
    for (JavaFileObject file : fm.list(PLATFORM_CLASS_PATH, "", EnumSet.of(CLASS), true)) {
        String type = fm.inferBinaryName(PLATFORM_CLASS_PATH, file);
        if (type.endsWith("package-info"))
            continue;
        try {
            TypeElement elem = elements.getTypeElement(type);
            if (elem == null && type.indexOf('$') > 0) {
                nestedClasses++;
                type = null;
                continue;
            }
            classes++;
            packages.add(getPackage(elem).getQualifiedName().toString());
            // force completion
            elements.getTypeElement(type).getKind();
            type = null;
        } finally {
            if (type != null)
                System.err.println("Looking at " + type);
        }
    }
    javac = null;
    elements = null;
    javac = (JavacTask) tool.getTask(null, fm, null, null, null, null);
    elements = javac.getElements();
    for (String name : packages) {
        PackageElement pe = elements.getPackageElement(name);
        for (Element e : pe.getEnclosedElements()) {
            e.getSimpleName().getClass();
        }
    }
    /*
         * A few sanity checks based on current values:
         *
         * packages: 775, classes: 12429 + 5917
         *
         * As the platform evolves the numbers are likely to grow
         * monotonically but in case somebody gets a clever idea for
         * limiting the number of packages exposed, this number might
         * drop.  So we test low values.
         */
    System.out.format("packages: %s, classes: %s + %s%n", packages.size(), classes, nestedClasses);
    if (classes < 9000)
        throw new AssertionError("Too few classes in PLATFORM_CLASS_PATH ;-)");
    if (packages.size() < 530)
        throw new AssertionError("Too few packages in PLATFORM_CLASS_PATH ;-)");
    if (nestedClasses < 3000)
        throw new AssertionError("Too few nested classes in PLATFORM_CLASS_PATH ;-)");
}