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

Example 61 with JavacTask

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

the class Test method test.

void test(File test) throws Exception {
    JavacTool tool1 = JavacTool.create();
    StandardJavaFileManager fm = tool1.getStandardFileManager(null, null, null);
    Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(test);
    // parse test file into a tree, and write it out to a stringbuffer using Pretty
    JavacTask t1 = tool1.getTask(null, fm, null, null, null, files);
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    Iterable<? extends CompilationUnitTree> trees = t1.parse();
    for (CompilationUnitTree tree : trees) {
        new Pretty(pw, true).printExpr((JCTree) tree);
    }
    pw.close();
    final String out = sw.toString();
    System.err.println("generated code:\n" + out + "\n");
    // verify the generated code is valid Java by compiling it
    JavacTool tool2 = JavacTool.create();
    JavaFileObject fo = new SimpleJavaFileObject(URI.create("output"), JavaFileObject.Kind.SOURCE) {

        @Override
        public CharSequence getCharContent(boolean ignoreEncodingErrors) {
            return out;
        }
    };
    JavacTask t2 = tool2.getTask(null, fm, null, null, null, Collections.singleton(fo));
    boolean ok = t2.call();
    if (!ok)
        throw new Exception("compilation of generated code failed");
    File expectedClass = new File(test.getName().replace(".java", ".class"));
    if (!expectedClass.exists())
        throw new Exception(expectedClass + " not found");
}

Example 62 with JavacTask

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

the class T6956638 method test.

void test(File... sourceFiles) throws Exception {
    System.err.println("Test " + (++count) + ": " + Arrays.asList(sourceFiles));
    File classesDir = new File("classes" + count);
    classesDir.mkdirs();
    StringWriter compilerOutputStream = new StringWriter();
    List<String> compileOptions = Arrays.asList("-d", classesDir.getPath());
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    DiagnosticCollector<JavaFileObject> diagnosticCollector = new DiagnosticCollector<JavaFileObject>();
    StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnosticCollector, null, null);
    Iterable<? extends JavaFileObject> sourceFileObjects = fileManager.getJavaFileObjects(sourceFiles);
    System.err.println("1- javac given java source JavaFileObjects " + sourceFileObjects);
    JavaCompiler.CompilationTask task = compiler.getTask(compilerOutputStream, fileManager, null, compileOptions, null, sourceFileObjects);
    JavacTask javacTask = (JavacTask) task;
    Iterable<? extends CompilationUnitTree> parsedTrees = javacTask.parse();
    Iterable<? extends Element> analyzedTrees = javacTask.analyze();
    Iterable<? extends JavaFileObject> generatedFiles = javacTask.generate();
    System.err.println("2- parsed:" + size(parsedTrees) + " analysed:" + size(analyzedTrees) + " generated:" + size(generatedFiles));
    System.err.print("3-");
    for (JavaFileObject f : generatedFiles) System.err.print(" " + f);
    System.err.println("");
    System.err.print("5-");
    for (File f : classesDir.listFiles()) System.err.print(" " + f);
    System.err.println("");
    System.err.println("----");
    System.err.println(compilerOutputStream.toString());
    if (size(generatedFiles) != size(parsedTrees)) {
        throw new Exception("wrong number of files generated: " + size(generatedFiles) + " expected: " + size(parsedTrees));
    }
}

Example 63 with JavacTask

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

the class T6608214 method main.

public static void main(String[] args) throws IOException {
    JavaFileObject sfo = new SimpleJavaFileObject(URI.create(""), Kind.SOURCE) {

        public CharSequence getCharContent(boolean ignoreEncodingErrors) {
            return "class Test<S> { <T extends S & Runnable> void test(){}}";
        }
    };
    List<? extends JavaFileObject> files = Arrays.asList(sfo);
    String bootPath = System.getProperty("sun.boot.class.path");
    List<String> opts = Arrays.asList("-bootclasspath", bootPath, "-Xjcov");
    JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
    JavacTask ct = (JavacTask) tool.getTask(null, null, null, opts, null, files);
    ct.analyze();
}

Example 64 with JavacTask

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

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 65 with JavacTask

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

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);
}