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

Example 81 with JavacTask

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

the class AbstractTreeScannerTest 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 82 with JavacTask

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

the class T6345974 method main.

public static void main(String[] args) throws Exception {
    PrintWriter out = new PrintWriter(System.out, true);
    JavacTool tool = JavacTool.create();
    StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
    File testSrc = new File(System.getProperty("test.src"));
    Iterable<? extends JavaFileObject> f = fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrc, "T6345974.java")));
    JavacTask task = tool.getTask(out, fm, null, null, null, f);
    Iterable<? extends CompilationUnitTree> trees = task.parse();
    out.flush();
    Scanner s = new Scanner();
    for (CompilationUnitTree t : trees) s.scan(t, null);
}

Example 83 with JavacTask

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

the class T6430241 method testTaskAPI.

void testTaskAPI(boolean expectWarnings, Iterable<? extends File> pcp) throws Exception {
    System.err.println("test task API: " + pcp);
    JavacTool tool = JavacTool.create();
    StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
    if (pcp != null)
        fm.setLocation(StandardLocation.PLATFORM_CLASS_PATH, pcp);
    Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(testFile);
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    JavacTask task = tool.getTask(pw, fm, null, null, null, files);
    boolean ok = task.call();
    String out = showOutput(sw.toString());
    checkCompilationOK(ok);
    checkOutput(out, expectWarnings);
}

Example 84 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));
}

Example 85 with JavacTask

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

the class DisjunctiveTypeWellFormednessTest method run.

void run(JavaCompiler tool, StandardJavaFileManager fm) throws Exception {
    JavacTask ct = (JavacTask) tool.getTask(null, fm, diagChecker, null, null, Arrays.asList(source));
    ct.analyze();
    check();
}