Examples with CompilationUnitTree com.sun.source.tree.CompilationUnitTree used on opensource projects

Example 41 with CompilationUnitTree

use of com.sun.source.tree.CompilationUnitTree 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 42 with CompilationUnitTree

use of com.sun.source.tree.CompilationUnitTree in project ceylon by eclipse.

the class T6993301 method testExceptionParameterCorrectKind.

public void testExceptionParameterCorrectKind() throws IOException {
    final String bootPath = System.getProperty("sun.boot.class.path");
    final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
    assert tool != null;
    String code = "package test; public class Test { { try { } catch (NullPointerException ex) {} } }";
    final JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, Arrays.asList("-bootclasspath", bootPath), null, Arrays.asList(new MyFileObject(code)));
    CompilationUnitTree cut = ct.parse().iterator().next();
    ct.analyze();
    new TreePathScanner<Void, Void>() {

        @Override
        public Void visitVariable(VariableTree node, Void p) {
            Element el = Trees.instance(ct).getElement(getCurrentPath());
            assertNotNull(el);
            assertEquals(ElementKind.EXCEPTION_PARAMETER, el.getKind());
            return super.visitVariable(node, p);
        }
    }.scan(cut, null);
}

Example 43 with CompilationUnitTree

use of com.sun.source.tree.CompilationUnitTree in project ceylon by eclipse.

the class T6557752 method main.

public static void main(String[] args) throws IOException {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    task = (JavacTask) compiler.getTask(null, null, null, null, null, List.of(new MyFileObject()));
    Iterable<? extends CompilationUnitTree> asts = task.parse();
    task.analyze();
    trees = Trees.instance(task);
    MyVisitor myVisitor = new MyVisitor();
    for (CompilationUnitTree ast : asts) {
        myVisitor.compilationUnit = ast;
        myVisitor.scan(ast, null);
    }
    if (!myVisitor.foundError) {
        throw new AssertionError("Expected error not found!");
    }
}

Example 44 with CompilationUnitTree

use of com.sun.source.tree.CompilationUnitTree 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);
}

Example 45 with CompilationUnitTree

use of com.sun.source.tree.CompilationUnitTree in project ceylon by eclipse.

the class T6472751 method main.

public static void main(String[] args) throws IOException {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    JavacTask task = (JavacTask) compiler.getTask(null, null, null, null, null, List.of(new MyFileObject()));
    trees = Trees.instance(task);
    positions = trees.getSourcePositions();
    Iterable<? extends CompilationUnitTree> asts = task.parse();
    for (CompilationUnitTree ast : asts) {
        new MyVisitor().scan(ast, null);
    }
}