Package com.sun.source.tree

Examples of com.sun.source.tree.CompilationUnitTree

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        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)
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        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
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        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;
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        final String bootPath = System.getProperty("sun.boot.class.path"); //NOI18N
        final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
        assert tool != null;
        final JavacTask ct = (JavacTask)tool.getTask(null, null, null, Arrays.asList("-bootclasspath",  bootPath), null, Arrays.asList(new MyFileObject()));

        CompilationUnitTree cut = ct.parse().iterator().next();
        TreePath tp = new TreePath(new TreePath(cut), cut.getTypeDecls().get(0));
        Scope s = Trees.instance(ct).getScope(tp);
        TypeElement type = ct.getElements().getTypeElement("com.sun.java.util.jar.pack.Package.File");

        if (Trees.instance(ct).isAccessible(s, type)) {
            //com.sun.java.util.jar.pack.Package.File is a public innerclass inside a non-accessible class, so
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        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();
        ClassTree classTree = (ClassTree)toplevel.getTypeDecls().get(0);
        List<? extends Tree> annotations = classTree.getModifiers().getAnnotations();
        Tree tree1 = annotations.get(0);
        Tree tree2 = annotations.get(1);
        long pos = trees.getSourcePositions().getStartPosition(toplevel, tree1);
        if (pos != 0)
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        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);
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            javaSource.runUserActionTask(new Task<CompilationController>() {
                @Override
                public void run(CompilationController compilationController) throws Exception {
                    compilationController.toPhase(JavaSource.Phase.ELEMENTS_RESOLVED);
                    Trees trees = compilationController.getTrees();
                    CompilationUnitTree compilationUnitTree = compilationController.getCompilationUnit();
                    List<? extends Tree> typeDecls = compilationUnitTree.getTypeDecls();
                    for (Tree tree: typeDecls) {
                        Element element = trees.getElement(trees.getPath(compilationUnitTree, tree));
                        if (element != null && element.getKind() == ElementKind.CLASS && element.getSimpleName().contentEquals(fo2open[0].getName())) {
                            List<? extends ExecutableElement> methodElements = ElementFilter.methodsIn(element.getEnclosedElements());
                            for (Element child: methodElements) {
                                if (cancelToken.isCanceled()) {
                                    return;
                                }

                                if (child.getSimpleName().contentEquals(specificTestcase.getTestMethodName())) {
                                    long pos = trees.getSourcePositions().getStartPosition(compilationUnitTree, trees.getTree(child));
                                    line[0] = compilationUnitTree.getLineMap().getLineNumber(pos);
                                    break;
                                }
                            }
                            break;
                        }
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    GenerationPlugins<Object> currentClassPlugins = plugins.forClass(clazz);

    GenerationContext<Object> context = new GenerationContext<Object>(inputFile, configuration, names, null, builtProjectClassLoader,
        cacheAnnotations, getJavaScriptBuilder());

    CompilationUnitTree cu = parseAndResolve(inputFile, context, builtProjectClassLoader, configuration.getSourceEncoding());

    // check the code
    Timers.start("check-java");
    currentClassPlugins.getCheckVisitor().scan(cu, (GenerationContext) context);
    context.getChecks().check();
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      context.setTrees(Trees.instance(javacTask));
      context.setElements(javacTask.getElements());
      context.setTypes(javacTask.getTypes());

      Timers.start("parse-java");
      CompilationUnitTree cu = javacTask.parse().iterator().next();
      Timers.end("parse-java");

      Timers.start("analyze-java");
      javacTask.analyze();
      Timers.end("analyze-java");
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        }
      });

      for (Map.Entry<? extends CompilationUnitTree, Optional<? extends CompilationUnitTree>>
      matchedTreePair : matchedTrees.entrySet()) {
        final CompilationUnitTree expectedTree = matchedTreePair.getKey();
        if (!matchedTreePair.getValue().isPresent()) {
          failNoCandidates(expectedTreeTypes.get(expectedTree), expectedTree,
              actualTreeTypes, actualTrees);
        } else {
          CompilationUnitTree actualTree = matchedTreePair.getValue().get();
          TreeDifference treeDifference = TreeDiffer.diffCompilationUnits(expectedTree, actualTree);
          if (!treeDifference.isEmpty()) {
            String diffReport = treeDifference.getDiffReport(
                new TreeContext(expectedTree, expectedResult.trees()),
                new TreeContext(actualTree, actualResult.trees()));
            failWithCandidate(expectedTree.getSourceFile(), actualTree.getSourceFile(), diffReport);
          }
        }
      }
    }
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  • com.google.testing.compile.TreeDifferenceTest
  • com.google.testing.compile.TypeEnumeratorTest
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  • com.sun.tools.javac.api.JavacTrees
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  • GenStubs
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