javax.tools.DiagnosticCollector Java Exaples

Source File: T7190862.java From openjdk-jdk8u with GNU General Public License v2.0

7 votes

private String javap(List<String> args, List<String> classes) {
    DiagnosticCollector<JavaFileObject> dc = new DiagnosticCollector<JavaFileObject>();
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    JavaFileManager fm = JavapFileManager.create(dc, pw);
    JavapTask t = new JavapTask(pw, fm, dc, args, classes);
    if (t.run() != 0)
        throw new Error("javap failed unexpectedly");

    List<Diagnostic<? extends JavaFileObject>> diags = dc.getDiagnostics();
    for (Diagnostic<? extends JavaFileObject> d: diags) {
        if (d.getKind() == Diagnostic.Kind.ERROR)
            throw new Error(d.getMessage(Locale.ENGLISH));
    }
    return sw.toString();

}

Source File: SolidityFunctionWrapperGeneratorTest.java From client-sdk-java with Apache License 2.0

6 votes

private void verifyGeneratedCode(String sourceFile) throws IOException {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();

    try (StandardJavaFileManager fileManager =
                 compiler.getStandardFileManager(diagnostics, null, null)) {
        Iterable<? extends JavaFileObject> compilationUnits = fileManager
                .getJavaFileObjectsFromStrings(Arrays.asList(sourceFile));
        JavaCompiler.CompilationTask task = compiler.getTask(
                null, fileManager, diagnostics, null, null, compilationUnits);
        boolean result = task.call();

        System.out.println(diagnostics.getDiagnostics());
        assertTrue("Generated contract contains compile time error", result);
    }
}

Source File: T7190862.java From TencentKona-8 with GNU General Public License v2.0

6 votes

private String javap(List<String> args, List<String> classes) {
    DiagnosticCollector<JavaFileObject> dc = new DiagnosticCollector<JavaFileObject>();
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    JavaFileManager fm = JavapFileManager.create(dc, pw);
    JavapTask t = new JavapTask(pw, fm, dc, args, classes);
    if (t.run() != 0)
        throw new Error("javap failed unexpectedly");

    List<Diagnostic<? extends JavaFileObject>> diags = dc.getDiagnostics();
    for (Diagnostic<? extends JavaFileObject> d: diags) {
        if (d.getKind() == Diagnostic.Kind.ERROR)
            throw new Error(d.getMessage(Locale.ENGLISH));
    }
    return sw.toString();

}

Source File: JavapTaskCtorFailWithNPE.java From TencentKona-8 with GNU General Public License v2.0

6 votes

private void run() {
    File classToCheck = new File(System.getProperty("test.classes"),
        getClass().getSimpleName() + ".class");

    DiagnosticCollector<JavaFileObject> dc =
            new DiagnosticCollector<JavaFileObject>();
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    JavaFileManager fm = JavapFileManager.create(dc, pw);
    JavapTask t = new JavapTask(pw, fm, dc, null,
            Arrays.asList(classToCheck.getPath()));
    if (t.run() != 0)
        throw new Error("javap failed unexpectedly");

    List<Diagnostic<? extends JavaFileObject>> diags = dc.getDiagnostics();
    for (Diagnostic<? extends JavaFileObject> d: diags) {
        if (d.getKind() == Diagnostic.Kind.ERROR)
            throw new AssertionError(d.getMessage(Locale.ENGLISH));
    }
    String lineSep = System.getProperty("line.separator");
    String out = sw.toString().replace(lineSep, "\n");
    if (!out.equals(expOutput)) {
        throw new AssertionError("The output is not equal to the one expected");
    }
}

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

6 votes

public static boolean compile(String[] args, File episode) throws Exception {

            JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
            DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();
            StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnostics, null, null);
            JavacOptions options = JavacOptions.parse(compiler, fileManager, args);
            List<String> unrecognizedOptions = options.getUnrecognizedOptions();
            if (!unrecognizedOptions.isEmpty())
                Logger.getLogger(SchemaGenerator.class.getName()).log(Level.WARNING, "Unrecognized options found: {0}", unrecognizedOptions);
            Iterable<? extends JavaFileObject> compilationUnits = fileManager.getJavaFileObjectsFromFiles(options.getFiles());
            JavaCompiler.CompilationTask task = compiler.getTask(
                    null,
                    fileManager,
                    diagnostics,
                    options.getRecognizedOptions(),
                    options.getClassNames(),
                    compilationUnits);
            com.sun.tools.internal.jxc.ap.SchemaGenerator r = new com.sun.tools.internal.jxc.ap.SchemaGenerator();
            if (episode != null)
                r.setEpisodeFile(episode);
            task.setProcessors(Collections.singleton(r));
            return task.call();
        }

Source File: ScriptCompiler.java From talos with Apache License 2.0

6 votes

public SimpleReturnScript compile (String javaString) {
	JavaSourceFromString file = new JavaSourceFromString("SimpleRunIm", javaString);
	DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();
	DynamicClassesFileManager manager = new DynamicClassesFileManager(compiler.getStandardFileManager(null, null, null));

	Iterable<? extends JavaFileObject> compilationUnits = Arrays.asList(file);
	JavaCompiler.CompilationTask task = compiler.getTask(null, manager, diagnostics, null, null, compilationUnits);

	boolean success = task.call();
	for (Diagnostic diagnostic : diagnostics.getDiagnostics()) {
		System.err.print(String.format("Script compilation error: Line: %d - %s%n", diagnostic.getLineNumber(), diagnostic.getMessage(null)));
	}
	if (success) {
		try {

			System.out.println("Compiled");
			Class clazz = manager.loader.findClass("SimpleRunIm");

			return (SimpleReturnScript)ClassReflection.newInstance(clazz);
		} catch (ReflectionException | ClassNotFoundException e) {
			e.printStackTrace();
		}
	}
	return null;
}

Source File: CustomJavaFileObjectAndFileManeger.java From learnjavabug with MIT License

6 votes

public static void e() throws URISyntaxException {
        JavaCompiler javaCompiler = ToolProvider.getSystemJavaCompiler();
        ClassLoader classLoader = CustomJavaFileObjectAndFileManeger.class.getClassLoader();
        DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector();
        StandardJavaFileManager standardJavaFileManager = javaCompiler
            .getStandardFileManager(diagnostics, Locale.CHINA, Charset.forName("utf-8"));
//        FileManagerImpl fileManager = new FileManagerImpl(standardJavaFileManager);
        StringBuilder stringBuilder = new StringBuilder()
            .append("class Main {")
            .append("   public static void main(String[] args) {")
            .append("       System.out.println(\"hello FFF!\");")
            .append("   }")
            .append("}");
        Iterable<? extends JavaFileObject> javaFileObjects = Arrays
            .asList(new JavaObjectFromString("Main", stringBuilder.toString()));

        // 编译任务
        CompilationTask task = javaCompiler.getTask(null, standardJavaFileManager, diagnostics, null, null, javaFileObjects);
        Boolean result = task.call();
        System.out.println(result);
        List list = diagnostics.getDiagnostics();
        for (Object object : list) {
            Diagnostic d = (Diagnostic) object;
            System.out.println(d.getMessage(Locale.ENGLISH));
        }
    }

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

6 votes

private boolean getCompileResult(String contents, String className,
        boolean shouldCompile) throws Exception{

    DiagnosticCollector<JavaFileObject> diagnostics =
            new DiagnosticCollector<JavaFileObject>();
    boolean ok = compileCode(className, contents, diagnostics);

    String expectedErrKey = "compiler.err.invalid.repeatable" +
                                    ".annotation.retention";
    if (!shouldCompile && !ok) {
        for (Diagnostic<?> d : diagnostics.getDiagnostics()) {
            if (!((d.getKind() == Diagnostic.Kind.ERROR) &&
                d.getCode().contains(expectedErrKey))) {
                error("FAIL: Incorrect error given, expected = "
                        + expectedErrKey + ", Actual = " + d.getCode()
                        + " for className = " + className, contents);
            }
        }
    }

    return (shouldCompile  == ok);
}

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

6 votes

void compileWithJSR199() throws IOException {
    String cpath = "C2.jar";
    File clientJarFile = new File(cpath);
    File sourceFileToCompile = new File("C3.java");


    javax.tools.JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
    DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();
    StandardJavaFileManager stdFileManager = javac.getStandardFileManager(diagnostics, null, null);

    List<File> files = new ArrayList<>();
    files.add(clientJarFile);

    stdFileManager.setLocation(StandardLocation.CLASS_PATH, files);

    Iterable<? extends JavaFileObject> sourceFiles = stdFileManager.getJavaFileObjects(sourceFileToCompile);

    if (!javac.getTask(null, stdFileManager, diagnostics, null, null, sourceFiles).call()) {
        throw new AssertionError("compilation failed");
    }
}

Source File: JavacParserTest.java From TencentKona-8 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);
}

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

6 votes

@Test
void testClassesInProfiles() throws Exception {
    for (Profile p: Profile.values()) {
        for (Map.Entry<Profile, List<JavaFileObject>> e: testClasses.entrySet()) {
            for (JavaFileObject fo: e.getValue()) {
                DiagnosticCollector<JavaFileObject> dl =
                        new DiagnosticCollector<JavaFileObject>();
                List<String> opts = (p == Profile.DEFAULT)
                        ? Collections.<String>emptyList()
                        : Arrays.asList("-profile", p.name);
                JavacTask task = (JavacTask) javac.getTask(null, fm, dl, opts, null,
                        Arrays.asList(fo));
                task.analyze();

                List<String> expectDiagCodes = (p.value >= e.getKey().value)
                        ? Collections.<String>emptyList()
                        : Arrays.asList("compiler.err.not.in.profile");

                checkDiags(opts + " " + fo.getName(), dl.getDiagnostics(), expectDiagCodes);
            }
        }
    }
}

Source File: ProfileOptionTest.java From TencentKona-8 with GNU General Public License v2.0

6 votes

@Test
void testClassesInProfiles() throws Exception {
    for (Profile p: Profile.values()) {
        for (Map.Entry<Profile, List<JavaFileObject>> e: testClasses.entrySet()) {
            for (JavaFileObject fo: e.getValue()) {
                DiagnosticCollector<JavaFileObject> dl =
                        new DiagnosticCollector<JavaFileObject>();
                List<String> opts = (p == Profile.DEFAULT)
                        ? Collections.<String>emptyList()
                        : Arrays.asList("-profile", p.name);
                JavacTask task = (JavacTask) javac.getTask(null, fm, dl, opts, null,
                        Arrays.asList(fo));
                task.analyze();

                List<String> expectDiagCodes = (p.value >= e.getKey().value)
                        ? Collections.<String>emptyList()
                        : Arrays.asList("compiler.err.not.in.profile");

                checkDiags(opts + " " + fo.getName(), dl.getDiagnostics(), expectDiagCodes);
            }
        }
    }
}

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

6 votes

void compileWithJSR199() throws IOException {
    String cpath = "C2.jar";
    File clientJarFile = new File(cpath);
    File sourceFileToCompile = new File("C3.java");


    javax.tools.JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
    DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();
    StandardJavaFileManager stdFileManager = javac.getStandardFileManager(diagnostics, null, null);

    List<File> files = new ArrayList<>();
    files.add(clientJarFile);

    stdFileManager.setLocation(StandardLocation.CLASS_PATH, files);

    Iterable<? extends JavaFileObject> sourceFiles = stdFileManager.getJavaFileObjects(sourceFileToCompile);

    if (!javac.getTask(null, stdFileManager, diagnostics, null, null, sourceFiles).call()) {
        throw new AssertionError("compilation failed");
    }
}

Source File: JavaCodeScriptEngine.java From chaosblade-exec-jvm with Apache License 2.0

6 votes

private static void generateDiagnosticReport(
    DiagnosticCollector<JavaFileObject> collector, StringBuilder reporter) throws IOException {
    List<Diagnostic<? extends JavaFileObject>> diagnostics = collector.getDiagnostics();
    for (Diagnostic<? extends JavaFileObject> diagnostic : diagnostics) {
        JavaFileObject source = diagnostic.getSource();
        if (source != null) {
            reporter.append("Source: ").append(source.getName()).append('\n');
            reporter.append("Line ").append(diagnostic.getLineNumber()).append(": ")
                .append(diagnostic.getMessage(Locale.ENGLISH)).append('\n');
            CharSequence content = source.getCharContent(true);
            BufferedReader reader = new BufferedReader(new StringReader(content.toString()));
            int i = 1;
            String line;
            while ((line = reader.readLine()) != null) {
                reporter.append(i).append('\t').append(line).append('\n');
                ++i;
            }
        } else {
            reporter.append("Source: (null)\n");
            reporter.append("Line ").append(diagnostic.getLineNumber()).append(": ")
                .append(diagnostic.getMessage(Locale.ENGLISH)).append('\n');
        }
        reporter.append('\n');
    }
}

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

6 votes

private void run() {
    File classToCheck = new File(System.getProperty("test.classes"),
        getClass().getSimpleName() + ".class");

    DiagnosticCollector<JavaFileObject> dc =
            new DiagnosticCollector<JavaFileObject>();
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    JavaFileManager fm = JavapFileManager.create(dc, pw);
    JavapTask t = new JavapTask(pw, fm, dc, null,
            Arrays.asList(classToCheck.getPath()));
    if (t.run() != 0)
        throw new Error("javap failed unexpectedly");

    List<Diagnostic<? extends JavaFileObject>> diags = dc.getDiagnostics();
    for (Diagnostic<? extends JavaFileObject> d: diags) {
        if (d.getKind() == Diagnostic.Kind.ERROR)
            throw new AssertionError(d.getMessage(Locale.ENGLISH));
    }
    String lineSep = System.getProperty("line.separator");
    String out = sw.toString().replace(lineSep, "\n");
    if (!out.equals(expOutput)) {
        throw new AssertionError("The output is not equal to the one expected");
    }
}

Source File: T7190862.java From jdk8u60 with GNU General Public License v2.0

6 votes

private String javap(List<String> args, List<String> classes) {
    DiagnosticCollector<JavaFileObject> dc = new DiagnosticCollector<JavaFileObject>();
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    JavaFileManager fm = JavapFileManager.create(dc, pw);
    JavapTask t = new JavapTask(pw, fm, dc, args, classes);
    if (t.run() != 0)
        throw new Error("javap failed unexpectedly");

    List<Diagnostic<? extends JavaFileObject>> diags = dc.getDiagnostics();
    for (Diagnostic<? extends JavaFileObject> d: diags) {
        if (d.getKind() == Diagnostic.Kind.ERROR)
            throw new Error(d.getMessage(Locale.ENGLISH));
    }
    return sw.toString();

}

Source File: DocumentedAnnoCombo.java From TencentKona-8 with GNU General Public License v2.0

6 votes

public void runTest() throws Exception {
    boolean ok = false;
    int testCtr = 0;

    // Create test source content
    for (TestCases className : TestCases.values()) {
        testCtr++;
        String contents = getContent(className.toString());

        // Compile the generated source file
        DiagnosticCollector<JavaFileObject> diagnostics =
                new DiagnosticCollector<JavaFileObject>();
        ok = compileCode(className.toString(), contents, diagnostics);
        if (!ok) {
            error("Class="+ className +" did not compile as expected", contents);
        } else {
            System.out.println("Test passed for className: " + className);
        }
    }

    System.out.println("Total number of tests run: " + testCtr);
    System.out.println("Total number of errors: " + errors);

    if (errors > 0)
        throw new Exception(errors + " errors found");
}

Source File: RetentionAnnoCombo.java From TencentKona-8 with GNU General Public License v2.0

6 votes

private boolean getCompileResult(String contents, String className,
        boolean shouldCompile) throws Exception{

    DiagnosticCollector<JavaFileObject> diagnostics =
            new DiagnosticCollector<JavaFileObject>();
    boolean ok = compileCode(className, contents, diagnostics);

    String expectedErrKey = "compiler.err.invalid.repeatable" +
                                    ".annotation.retention";
    if (!shouldCompile && !ok) {
        for (Diagnostic<?> d : diagnostics.getDiagnostics()) {
            if (!((d.getKind() == Diagnostic.Kind.ERROR) &&
                d.getCode().contains(expectedErrKey))) {
                error("FAIL: Incorrect error given, expected = "
                        + expectedErrKey + ", Actual = " + d.getCode()
                        + " for className = " + className, contents);
            }
        }
    }

    return (shouldCompile  == ok);
}

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);
}

Source File: JavacParserTest.java From jdk8u60 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);
 }

Source File: JavacParserTest.java From jdk8u60 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, 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("testVariableInIfThen3",
            Arrays.<String>asList("compiler.err.class.not.allowed"), codes);
}

Source File: JavacParserTest.java From jdk8u60 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);
}

Source File: JavacParserTest.java From openjdk-jdk8u 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);
}

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

5 votes

@Override
boolean run(PrintWriter out, Set<String> keys, boolean raw, List<String> opts, List<File> files) {
    if (out != null && keys != null)
        throw new IllegalArgumentException();

    if (verbose)
        System.err.println("run_jsr199: " + opts + " " + files);

    DiagnosticCollector<JavaFileObject> dc = null;
    if (keys != null)
        dc = new DiagnosticCollector<JavaFileObject>();

    if (raw) {
        List<String> newOpts = new ArrayList<String>();
        newOpts.add("-XDrawDiagnostics");
        newOpts.addAll(opts);
        opts = newOpts;
    }

    JavaCompiler c = ToolProvider.getSystemJavaCompiler();

    StandardJavaFileManager fm = c.getStandardFileManager(dc, null, null);
    if (fmOpts != null)
        fm = new FileManager(fm, fmOpts);

    Iterable<? extends JavaFileObject> fos = fm.getJavaFileObjectsFromFiles(files);

    CompilationTask t = c.getTask(out, fm, dc, opts, null, fos);
    Boolean ok = t.call();

    if (keys != null) {
        for (Diagnostic<? extends JavaFileObject> d: dc.getDiagnostics()) {
            scanForKeys(unwrap(d), keys);
        }
    }

    return ok;
}

Source File: SolidityFunctionWrapperGeneratorTest.java From etherscan-explorer with GNU General Public License v3.0

5 votes

private void verifyGeneratedCode(String sourceFile) throws IOException {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();

    try (StandardJavaFileManager fileManager =
                 compiler.getStandardFileManager(diagnostics, null, null)) {
        Iterable<? extends JavaFileObject> compilationUnits = fileManager
                .getJavaFileObjectsFromStrings(Arrays.asList(sourceFile));
        JavaCompiler.CompilationTask task = compiler.getTask(
                null, fileManager, diagnostics, null, null, compilationUnits);
        assertTrue("Generated contract contains compile time error", task.call());
    }
}

Source File: DynamicEngine.java From mcg-helper with Apache License 2.0

5 votes

public Object execute(String fullClassName, String javaCode, String method, Class<?>[] paramsCls,Object[] params) throws Exception {
      Object result = null;
      JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
      DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();
      ClassFileManager fileManager = new ClassFileManager(compiler.getStandardFileManager(diagnostics, null, null));
 
      List<JavaFileObject> jfiles = new ArrayList<JavaFileObject>();
      jfiles.add(new CharSequenceJavaFileObject(fullClassName, javaCode));
 
      List<String> options = new ArrayList<String>();
      options.add("-encoding");
      options.add(Constants.CHARSET.toString());
      options.add("-classpath");
      options.add(this.classpath);
 
      JavaCompiler.CompilationTask task = compiler.getTask(null, fileManager, diagnostics, options, null, jfiles);
      boolean success = task.call();
 
      if (success) {
          JavaClassObject jco = fileManager.getJavaClassObject();
          DynamicClassLoader dynamicClassLoader = new DynamicClassLoader(this.parentClassLoader);
          Class<?> clazz = dynamicClassLoader.loadClass(fullClassName,jco);
          result = invoke(clazz, method, paramsCls, params);
          
//        instance = clazz.newInstance();
	dynamicClassLoader.close();
      } else {
          StringBuilder error = new StringBuilder();
          for (Diagnostic<?> diagnostic : diagnostics.getDiagnostics()) {
          	error.append(compilePrint(diagnostic));
          }
          throw new Exception(error.toString());
      }

      return result;
  }

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

5 votes

/**
 * Verify that a diagnostic listener can be specified.
 * Note that messages from the tool and doclet are imperfectly modeled
 * because the DocErrorReporter API works in terms of localized strings
 * and file:line positions. Therefore, messages reported via DocErrorReporter
 * and simply wrapped and passed through.
 */
@Test
public void testDiagListener() throws Exception {
    JavaFileObject srcFile = createSimpleJavaFileObject("pkg/C", "package pkg; public error { }");
    DocumentationTool tool = ToolProvider.getSystemDocumentationTool();
    StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
    File outDir = getOutDir();
    fm.setLocation(DocumentationTool.Location.DOCUMENTATION_OUTPUT, Arrays.asList(outDir));
    Iterable<? extends JavaFileObject> files = Arrays.asList(srcFile);
    DiagnosticCollector<JavaFileObject> dc = new DiagnosticCollector<JavaFileObject>();
    DocumentationTask t = tool.getTask(null, fm, dc, null, null, files);
    if (t.call()) {
        throw new Exception("task succeeded unexpectedly");
    } else {
        List<String> diagCodes = new ArrayList<String>();
        for (Diagnostic d: dc.getDiagnostics()) {
            System.err.println(d);
            diagCodes.add(d.getCode());
        }
        List<String> expect = Arrays.asList(
                "javadoc.note.msg",         // Loading source file
                "compiler.err.expected3",   // class, interface, or enum expected
                "javadoc.note.msg");        // 1 error
        if (!diagCodes.equals(expect))
            throw new Exception("unexpected diagnostics occurred");
        System.err.println("diagnostics received as expected");
    }
}

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

5 votes

public void runTest() throws Exception {
    int testCtr = 0;
    boolean ok = false;

    // Create test source content
    for (TestCases className : TestCases.values()) {
        testCtr++;
        String contents = getContent(className.toString());

        // Compile the generated code
        DiagnosticCollector<JavaFileObject> diagnostics =
                new DiagnosticCollector<JavaFileObject>();
        ok = compileCode(className.toString(), contents, diagnostics);

        if (!ok) {
            error("Class="+ className +" did not compile as expected", contents);
        } else {
            System.out.println("Test passed for className: " + className);
        }
    }

    System.out.println("Total number of tests run: " + testCtr);
    System.out.println("Total number of errors: " + errors);

    if (errors > 0)
        throw new Exception(errors + " errors found");
}

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

5 votes

public static void main(String... args) throws IOException {
    File source = new File(System.getProperty("test.src", "."), "TestGetElementReferenceData.java").getAbsoluteFile();
    StandardJavaFileManager fm = ToolProvider.getSystemJavaCompiler().getStandardFileManager(null, null, null);
    DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();
    JavacTask ct = (JavacTask) ToolProvider.getSystemJavaCompiler().getTask(null, null, diagnostics, Arrays.asList("-Xjcov", "-source", "1.8"), null, fm.getJavaFileObjects(source));
    Trees trees = Trees.instance(ct);
    CompilationUnitTree cut = ct.parse().iterator().next();

    ct.analyze();

    for (Diagnostic<? extends JavaFileObject> d : diagnostics.getDiagnostics()) {
        if (d.getKind() == Diagnostic.Kind.ERROR) {
            throw new IllegalStateException("Should have been attributed without errors: " + diagnostics.getDiagnostics());
        }
    }

    Pattern p = Pattern.compile("/\\*getElement:(.*?)\\*/");
    Matcher m = p.matcher(cut.getSourceFile().getCharContent(false));

    while (m.find()) {
        TreePath tp = pathFor(trees, cut, m.start() - 1);
        Element found = trees.getElement(tp);
        String expected = m.group(1);
        String actual = found != null ? found.getKind() + ":" + symbolToString(found) : "<null>";

        if (!expected.equals(actual)) {
            throw new IllegalStateException("expected=" + expected + "; actual=" + actual);
        }
    }
}

Source File: TruffleJsonFunctionWrapperGeneratorTest.java From etherscan-explorer with GNU General Public License v3.0

5 votes

private static void verifyGeneratedCode(String sourceFile) throws IOException {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<>();

    try (StandardJavaFileManager fileManager =
            compiler.getStandardFileManager(diagnostics, null, null)) {
        Iterable<? extends JavaFileObject> compilationUnits = fileManager
                .getJavaFileObjectsFromStrings(Collections.singletonList(sourceFile));
        JavaCompiler.CompilationTask task = compiler.getTask(
                null, fileManager, diagnostics, null, null, compilationUnits);
        assertTrue("Generated contract contains compile time error", task.call());
    }
}

javax.tools.DiagnosticCollector Java Examples