Java Code Examples for com.sun.tools.javac.api.JavacTaskImpl#parse()

The following examples show how to use com.sun.tools.javac.api.JavacTaskImpl#parse() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: JavacParserTest.java From openjdk-8-source with GNU General Public License v2.0

6 votes

@Test
void testVariableInIfThen5() throws IOException {

    String code = "package t; class Test { "+
            "private static void t() { " +
            "if (true) } }";
    DiagnosticCollector<JavaFileObject> coll =
            new DiagnosticCollector<JavaFileObject>();
    JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null,
            null, Arrays.asList(new MyFileObject(code)));

    ct.parse();

    List<String> codes = new LinkedList<String>();

    for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) {
        codes.add(d.getCode());
    }

    assertEquals("testVariableInIfThen5",
            Arrays.<String>asList("compiler.err.illegal.start.of.stmt"),
            codes);
}

Example 2

Source File: NewArrayPretty.java From openjdk-jdk9 with GNU General Public License v2.0

6 votes

void run(String code) throws IOException {
    String src = "public class Test {" + code + ";}";

    JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null,
            null, Arrays.asList(new MyFileObject(src)));

    for (CompilationUnitTree cut : ct.parse()) {
        JCTree.JCVariableDecl var =
                (JCTree.JCVariableDecl) ((ClassTree) cut.getTypeDecls().get(0)).getMembers().get(0);

        if (!code.equals(var.toString())) {
            System.err.println("Expected: " + code);
            System.err.println("Obtained: " + var.toString());
            throw new RuntimeException("strings do not match!");
        }
    }
}

Example 3

Source File: JavacParserTest.java From openjdk-jdk9 with GNU General Public License v2.0

6 votes

@Test
void testVariableInIfThen3() throws IOException {

    String code = "package t; class Test { "+
            "private static void t() { " +
            "if (true) abstract class F {} }}";
    DiagnosticCollector<JavaFileObject> coll =
            new DiagnosticCollector<JavaFileObject>();
    JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, fm, coll, null,
            null, Arrays.asList(new MyFileObject(code)));

    ct.parse();

    List<String> codes = new LinkedList<String>();

    for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) {
        codes.add(d.getCode());
    }

    assertEquals("testVariableInIfThen3",
            Arrays.<String>asList("compiler.err.class.not.allowed"), codes);
}

Example 4

Source File: JavacParserTest.java From openjdk-8-source with GNU General Public License v2.0

6 votes

@Test
void testVariableInIfThen2() throws IOException {

     String code = "package t; class Test { " +
             "private static void t(String name) { " +
             "if (name != null) class X {} } }";
     DiagnosticCollector<JavaFileObject> coll =
             new DiagnosticCollector<JavaFileObject>();
     JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null,
             null, Arrays.asList(new MyFileObject(code)));

     ct.parse();

     List<String> codes = new LinkedList<String>();

     for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) {
         codes.add(d.getCode());
     }

     assertEquals("testVariableInIfThen2",
             Arrays.<String>asList("compiler.err.class.not.allowed"), codes);
 }

Example 5

Source File: JavacParserTest.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

@Test
void testVariableInIfThen4() throws IOException {

    String code = "package t; class Test { "+
            "private static void t(String name) { " +
            "if (name != null) interface X {} } }";
    DiagnosticCollector<JavaFileObject> coll =
            new DiagnosticCollector<JavaFileObject>();
    JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null,
            null, Arrays.asList(new MyFileObject(code)));

    ct.parse();

    List<String> codes = new LinkedList<String>();

    for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) {
        codes.add(d.getCode());
    }

    assertEquals("testVariableInIfThen4",
            Arrays.<String>asList("compiler.err.class.not.allowed"), codes);
}

Example 6

Source File: JavacParserTest.java From openjdk-8 with GNU General Public License v2.0

6 votes

@Test
void testVariableInIfThen1() throws IOException {

    String code = "package t; class Test { " +
            "private static void t(String name) { " +
            "if (name != null) String nn = name.trim(); } }";

    DiagnosticCollector<JavaFileObject> coll =
            new DiagnosticCollector<JavaFileObject>();

    JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null,
            null, Arrays.asList(new MyFileObject(code)));

    ct.parse();

    List<String> codes = new LinkedList<String>();

    for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) {
        codes.add(d.getCode());
    }

    assertEquals("testVariableInIfThen1",
            Arrays.<String>asList("compiler.err.variable.not.allowed"),
            codes);
}

Example 7

Source File: JavacParserTest.java From jdk8u60 with GNU General Public License v2.0

6 votes

@Test
void testVariableInIfThen4() throws IOException {

    String code = "package t; class Test { "+
            "private static void t(String name) { " +
            "if (name != null) interface X {} } }";
    DiagnosticCollector<JavaFileObject> coll =
            new DiagnosticCollector<JavaFileObject>();
    JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null,
            null, Arrays.asList(new MyFileObject(code)));

    ct.parse();

    List<String> codes = new LinkedList<String>();

    for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) {
        codes.add(d.getCode());
    }

    assertEquals("testVariableInIfThen4",
            Arrays.<String>asList("compiler.err.class.not.allowed"), codes);
}

Example 8

Source File: JavacParserTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0

6 votes

@Test
void testVariableInIfThen2() throws IOException {

     String code = "package t; class Test { " +
             "private static void t(String name) { " +
             "if (name != null) class X {} } }";
     DiagnosticCollector<JavaFileObject> coll =
             new DiagnosticCollector<JavaFileObject>();
     JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null,
             null, Arrays.asList(new MyFileObject(code)));

     ct.parse();

     List<String> codes = new LinkedList<String>();

     for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) {
         codes.add(d.getCode());
     }

     assertEquals("testVariableInIfThen2",
             Arrays.<String>asList("compiler.err.class.not.allowed"), codes);
 }

Example 9

Source File: JavacParserTest.java From jdk8u60 with GNU General Public License v2.0

6 votes

@Test
void testVariableInIfThen1() throws IOException {

    String code = "package t; class Test { " +
            "private static void t(String name) { " +
            "if (name != null) String nn = name.trim(); } }";

    DiagnosticCollector<JavaFileObject> coll =
            new DiagnosticCollector<JavaFileObject>();

    JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null,
            null, Arrays.asList(new MyFileObject(code)));

    ct.parse();

    List<String> codes = new LinkedList<String>();

    for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) {
        codes.add(d.getCode());
    }

    assertEquals("testVariableInIfThen1",
            Arrays.<String>asList("compiler.err.variable.not.allowed"),
            codes);
}

Example 10

Source File: JavacParserTest.java From hottub with GNU General Public License v2.0

6 votes

@Test
void testVariableInIfThen5() throws IOException {

    String code = "package t; class Test { "+
            "private static void t() { " +
            "if (true) } }";
    DiagnosticCollector<JavaFileObject> coll =
            new DiagnosticCollector<JavaFileObject>();
    JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null,
            null, Arrays.asList(new MyFileObject(code)));

    ct.parse();

    List<String> codes = new LinkedList<String>();

    for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) {
        codes.add(d.getCode());
    }

    assertEquals("testVariableInIfThen5",
            Arrays.<String>asList("compiler.err.illegal.start.of.stmt"),
            codes);
}

Example 11

Source File: JavacParserTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0

6 votes

@Test
void testVariableInIfThen5() throws IOException {

    String code = "package t; class Test { "+
            "private static void t() { " +
            "if (true) } }";
    DiagnosticCollector<JavaFileObject> coll =
            new DiagnosticCollector<JavaFileObject>();
    JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null,
            null, Arrays.asList(new MyFileObject(code)));

    ct.parse();

    List<String> codes = new LinkedList<String>();

    for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) {
        codes.add(d.getCode());
    }

    assertEquals("testVariableInIfThen5",
            Arrays.<String>asList("compiler.err.illegal.start.of.stmt"),
            codes);
}

Example 12

Source File: NewArrayPretty.java From openjdk-jdk8u-backup with GNU General Public License v2.0

6 votes

void run(String code) throws IOException {
    String src = "public class Test {" + code + ";}";

    JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null,
            null, Arrays.asList(new MyFileObject(src)));

    for (CompilationUnitTree cut : ct.parse()) {
        JCTree.JCVariableDecl var =
                (JCTree.JCVariableDecl) ((ClassTree) cut.getTypeDecls().get(0)).getMembers().get(0);

        if (!code.equals(var.toString())) {
            System.err.println("Expected: " + code);
            System.err.println("Obtained: " + var.toString());
            throw new RuntimeException("strings do not match!");
        }
    }
}

Example 13

Source File: JavacParserTest.java From openjdk-8-source with GNU General Public License v2.0

6 votes

@Test
void testVariableInIfThen1() throws IOException {

    String code = "package t; class Test { " +
            "private static void t(String name) { " +
            "if (name != null) String nn = name.trim(); } }";

    DiagnosticCollector<JavaFileObject> coll =
            new DiagnosticCollector<JavaFileObject>();

    JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null,
            null, Arrays.asList(new MyFileObject(code)));

    ct.parse();

    List<String> codes = new LinkedList<String>();

    for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) {
        codes.add(d.getCode());
    }

    assertEquals("testVariableInIfThen1",
            Arrays.<String>asList("compiler.err.variable.not.allowed"),
            codes);
}

Example 14

Source File: EdgeCases.java From openjdk-jdk9 with GNU General Public License v2.0

5 votes

@Test
public void testParseEnterAnalyze(Path base) throws Exception {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    try (StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null)) {
        Path moduleSrc = base.resolve("module-src");
        Path m1 = moduleSrc.resolve("m1x");

        tb.writeJavaFiles(m1, "module m1x { }",
                              "package p;",
                              "package p; class T { }");

        Path classes = base.resolve("classes");
        Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(findJavaFiles(moduleSrc));
        List<String> options = Arrays.asList("-d", classes.toString(), "-Xpkginfo:always");
        JavacTaskImpl task = (JavacTaskImpl) compiler.getTask(null, fm, null, options, null, files);

        Iterable<? extends CompilationUnitTree> parsed = task.parse();
        Iterable<? extends Element> entered = task.enter(parsed);
        Iterable<? extends Element> analyzed = task.analyze(entered);
        Iterable<? extends JavaFileObject> generatedFiles = task.generate(analyzed);

        Set<String> generated = new HashSet<>();

        for (JavaFileObject jfo : generatedFiles) {
            generated.add(jfo.getName());
        }

        Set<String> expected = new HashSet<>(
                Arrays.asList(Paths.get("testParseEnterAnalyze", "classes", "p", "package-info.class").toString(),
                              Paths.get("testParseEnterAnalyze", "classes", "module-info.class").toString(),
                              Paths.get("testParseEnterAnalyze", "classes", "p", "T.class").toString())
        );

        if (!Objects.equals(expected, generated))
            throw new AssertionError("Incorrect generated files: " + generated);
    }
}

Example 15

Source File: CodeTransformerTestHelper.java From Refaster with Apache License 2.0

5 votes

public JavaFileObject transform(JavaFileObject original) {
  JavaCompiler compiler = JavacTool.create();
  DiagnosticCollector<JavaFileObject> diagnosticsCollector =
      new DiagnosticCollector<JavaFileObject>();
  StandardJavaFileManager fileManager =
      compiler.getStandardFileManager(diagnosticsCollector, Locale.ENGLISH, UTF_8);
  JavacTaskImpl task = (JavacTaskImpl) compiler.getTask(CharStreams.nullWriter(),
      fileManager,
      diagnosticsCollector,
      ImmutableList.<String>of(),
      null,
      ImmutableList.of(original));

  try {
    SourceFile sourceFile = SourceFile.create(original);
    Iterable<? extends CompilationUnitTree> trees = task.parse();
    task.analyze();
    JCCompilationUnit tree =
        FluentIterable.from(trees).filter(JCCompilationUnit.class).getOnlyElement();
    DescriptionBasedDiff diff = DescriptionBasedDiff.create(tree);
    transformer().apply(tree, task.getContext(), diff);
    diff.applyDifferences(sourceFile);

    return JavaFileObjects.forSourceString(
        FluentIterable.from(tree.getTypeDecls())
            .filter(JCClassDecl.class)
            .getOnlyElement()
            .sym.getQualifiedName().toString(),
        sourceFile.getSourceText());
  } catch (IOException e) {
    throw new RuntimeException(e);
  }
}

Example 16

Source File: T6457284.java From openjdk-8 with GNU General Public License v2.0

5 votes

public static void main(String[] args) throws IOException {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    JavacTaskImpl task = (JavacTaskImpl)compiler.getTask(null, null, null, null, null,
                                                         List.of(new MyFileObject()));
    MyMessages.preRegister(task.getContext());
    task.parse();
    for (Element e : task.analyze()) {
        if (!e.getEnclosingElement().toString().equals("compiler.misc.unnamed.package"))
            throw new AssertionError(e.getEnclosingElement());
        System.out.println("OK: " + e.getEnclosingElement());
        return;
    }
    throw new AssertionError("No top-level classes!");
}

Example 17

Source File: TypeAnnotationsPretty.java From hottub with GNU General Public License v2.0

5 votes

private void runField(String code) throws IOException {
    String src = prefix +
            code + "; }" +
            postfix;

    JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null,
            null, Arrays.asList(new MyFileObject(src)));

    for (CompilationUnitTree cut : ct.parse()) {
        JCTree.JCVariableDecl var =
                (JCTree.JCVariableDecl) ((ClassTree) cut.getTypeDecls().get(0)).getMembers().get(0);
        checkMatch(code, var);
    }
}

Example 18

Source File: TypeAnnotationsPretty.java From openjdk-jdk8u with GNU General Public License v2.0

5 votes

private void runMethod(String code) throws IOException {
    String src = prefix +
            code + "}" +
            postfix;

    JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null,
            null, Arrays.asList(new MyFileObject(src)));


    for (CompilationUnitTree cut : ct.parse()) {
        JCTree.JCMethodDecl meth =
                (JCTree.JCMethodDecl) ((ClassTree) cut.getTypeDecls().get(0)).getMembers().get(0);
        checkMatch(code, meth);
    }
}

Example 19

Source File: AnonymousNumberingTest.java From netbeans with Apache License 2.0

5 votes

public void testCorrectAnonymousIndicesForMethodInvocations() throws Exception {
    String code = "package test;\n" +
                  "public class Test {\n" +
                  "    public Test main(Object o) {\n" +
                  "        return new Test().main(new Runnable() {\n" +
                  "            public void run() {\n" +
                  "                throw new UnsupportedOperationException();\n" +
                  "            }\n" +
                  "        }).main(new Iterable() {\n" +
                  "            public java.util.Iterator iterator() {\n" +
                  "                throw new UnsupportedOperationException();\n" +
                  "            }\n" +
                  "        });\n" +
                  "    }\n" +
                  "}";

    JavacTaskImpl ct = Utilities.createJavac(null, Utilities.fileObjectFor(code));
    
    Iterable<? extends CompilationUnitTree> cuts = ct.parse();
    Iterable<? extends Element> analyze = ct.analyze();
    
    Symtab symTab = Symtab.instance(ct.getContext());
    Modules modules = Modules.instance(ct.getContext());
    TypeElement first = symTab.getClass(modules.getDefaultModule(), (Name)ct.getElements().getName("test.Test$1"));
    TypeElement second = symTab.getClass(modules.getDefaultModule(), (Name)ct.getElements().getName("test.Test$2"));

    assertEquals("java.lang.Iterable", ((TypeElement) ((DeclaredType) first.getInterfaces().get(0)).asElement()).getQualifiedName().toString());
    assertEquals("java.lang.Runnable", ((TypeElement) ((DeclaredType) second.getInterfaces().get(0)).asElement()).getQualifiedName().toString());
}

Example 20

Source File: SourceAnalyzerTest.java From netbeans with Apache License 2.0

4 votes

public void testBrokenReference() throws Exception {
    final FileObject javaFile = FileUtil.toFileObject(TestFileUtils.writeFile(
         new File(FileUtil.toFile(src),"Test.java"),        //NOI18N
         "public class Test {   \n" +                       //NOI18N
         "    public static void main(String[] args) {\n" + //NOI18N
         "        Runnable r = Lib::foo;\n" +               //NOI18N
         "    }\n" +                                        //NOI18N
         "}"));                                             //NOI18N

    final DiagnosticListener<JavaFileObject> diag = new DiagnosticListener<JavaFileObject>() {

        private final Queue<Diagnostic<? extends JavaFileObject>> problems = new ArrayDeque<Diagnostic<? extends JavaFileObject>>();

        @Override
        public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
            problems.offer(diagnostic);
        }
    };
    TransactionContext.beginStandardTransaction(src.toURL(), true, ()->false, true);
    try {
        final ClasspathInfo cpInfo = ClasspathInfoAccessor.getINSTANCE().create(
            src,
            null,
            true,
            true,
            false,
            true);
        final JavaFileObject jfo = FileObjects.sourceFileObject(javaFile, src);
        final JavacTaskImpl jt = JavacParser.createJavacTask(
            cpInfo,
            diag,
            SourceLevelQuery.getSourceLevel(src),  //NOI18N
            SourceLevelQuery.Profile.DEFAULT,
            null, null, null, null, Arrays.asList(jfo));
        final Iterable<? extends CompilationUnitTree> trees = jt.parse();
        jt.enter();
        jt.analyze();
        final SourceAnalyzerFactory.SimpleAnalyzer sa = SourceAnalyzerFactory.createSimpleAnalyzer();
        List<Pair<Pair<BinaryName, String>, Object[]>> data = sa.analyseUnit(trees.iterator().next(), jt);
        assertEquals(1, data.size());
        assertTrue(((Collection)data.iterator().next().second()[0]).contains(
            DocumentUtil.encodeUsage("Lib", EnumSet.<ClassIndexImpl.UsageType>of(   //NOI18N
                ClassIndexImpl.UsageType.TYPE_REFERENCE))));
    } finally {
        TransactionContext.get().rollBack();
    }
}