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

Example 26 with CompilationUnitTree

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

the class TestPos method main.

public static void main(String... args) throws IOException {
    final boolean[] sawError = { false };
    final StringBuilder log = new StringBuilder();
    class MyFileObject extends SimpleJavaFileObject {

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

        @Override
        public String getCharContent(boolean ignoreEncodingErrors) {
            //      0123456789012345678901234567890123456789012345678901234
            return "class Test { { Object[] o = new <T,e,s,t>Object[0]; } }";
        }
    }
    class Scanner extends TreeScanner<Void, Trees> {

        CompilationUnitTree toplevel = null;

        @Override
        public Void visitCompilationUnit(CompilationUnitTree node, Trees trees) {
            toplevel = node;
            return super.visitCompilationUnit(node, trees);
        }

        @Override
        public Void visitErroneous(ErroneousTree node, Trees trees) {
            sawError[0] = true;
            long startPos = trees.getSourcePositions().getStartPosition(toplevel, node);
            long endPos = trees.getSourcePositions().getEndPosition(toplevel, node);
            log.append(String.format("begin=%s, end=%s : %s%n", startPos, endPos, node.getErrorTrees()));
            if (startPos != 28)
                error("Start pos for %s is incorrect (%s)!", node, startPos);
            if (endPos != 50)
                error("End pos for %s is incorrect (%s)!", node, endPos);
            return null;
        }
    }
    JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
    List<JavaFileObject> compilationUnits = Collections.<JavaFileObject>singletonList(new MyFileObject());
    DiagnosticListener<JavaFileObject> dl = new DiagnosticListener<JavaFileObject>() {

        public void report(Diagnostic<? extends JavaFileObject> diag) {
            log.append(String.format("%s @ %s%n", diag.getCode(), diag.getPosition()));
            if (!diag.getCode().equals(errCode))
                error("unexpected error");
            if (diag.getPosition() != 33)
                error("Error pos for %s is incorrect (%s)!", diag.getCode(), diag.getPosition());
            sawError[0] = true;
        }
    };
    JavacTask task = (JavacTask) javac.getTask(null, null, dl, null, null, compilationUnits);
    Trees trees = Trees.instance(task);
    Iterable<? extends Tree> toplevels = task.parse();
    if (!sawError[0])
        error("No parse error detected");
    sawError[0] = false;
    new Scanner().scan(toplevels, trees);
    if (!sawError[0])
        error("No error tree detected");
    if (!log.toString().equals(expected))
        error("Unexpected log message: %n%s%n", log);
    System.out.print(log);
    System.out.flush();
}

Example 27 with CompilationUnitTree

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

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 28 with CompilationUnitTree

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

the class T6654037 method main.

public static void main(String[] args) throws Exception {
    //NOI18N
    final String bootPath = System.getProperty("sun.boot.class.path");
    final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
    assert tool != null;
    String code = "package test; public class Test {private void test() {Object o = null; boolean b = o != null && o instanceof String;} private Test() {}}";
    JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, Arrays.asList("-bootclasspath", bootPath, "-Xjcov"), null, Arrays.asList(new MyFileObject(code)));
    CompilationUnitTree cut = ct.parse().iterator().next();
    ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0);
    MethodTree method = (MethodTree) clazz.getMembers().get(0);
    VariableTree condSt = (VariableTree) method.getBody().getStatements().get(1);
    BinaryTree cond = (BinaryTree) condSt.getInitializer();
    JCTree condJC = (JCTree) cond;
    if (condJC.pos != 93)
        throw new IllegalStateException("Unexpected position=" + condJC.pos);
}

Example 29 with CompilationUnitTree

use of com.sun.source.tree.CompilationUnitTree 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 30 with CompilationUnitTree

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