Examples with DiagnosticCollector javax.tools.DiagnosticCollector used on opensource projects

Example 26 with DiagnosticCollector

use of javax.tools.DiagnosticCollector in project Gargoyle by callakrsos.

the class JavaSourceFromString method main.

public static void main(String[] args) throws IOException {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();
    StringWriter writer = new StringWriter();
    PrintWriter out = new PrintWriter(writer);
    //		out.println("package pak;");
    out.println("public class HelloWorld {");
    out.println("  public static void main(String args[]) {");
    out.println("    System.out.println(\"This is in another java file\");");
    out.println("  }");
    out.println("}");
    out.close();
    JavaFileObject file = new JavaSourceFromString("pak/HelloWorld", writer.toString());
    Iterable<? extends JavaFileObject> compilationUnits = Arrays.asList(file);
    CompilationTask task = compiler.getTask(null, null, diagnostics, null, null, compilationUnits);
    boolean success = task.call();
    for (Diagnostic diagnostic : diagnostics.getDiagnostics()) {
        System.out.println(diagnostic.getCode());
        System.out.println(diagnostic.getKind());
        System.out.println(diagnostic.getPosition());
        System.out.println(diagnostic.getStartPosition());
        System.out.println(diagnostic.getEndPosition());
        System.out.println(diagnostic.getSource());
        System.out.println(diagnostic.getMessage(null));
    }
    System.out.println("Success: " + success);
    if (success) {
        try {
            URLClassLoader classLoader = URLClassLoader.newInstance(new URL[] { new File("").toURI().toURL() });
            Class.forName("HelloWorld", true, classLoader).getDeclaredMethod("main", new Class[] { String[].class }).invoke(null, new Object[] { null });
        } catch (ClassNotFoundException e) {
            System.err.println("Class not found: " + e);
        } catch (NoSuchMethodException e) {
            System.err.println("No such method: " + e);
        } catch (IllegalAccessException e) {
            System.err.println("Illegal access: " + e);
        } catch (InvocationTargetException e) {
            System.err.println("Invocation target: " + e);
        }
    }
}

Example 27 with DiagnosticCollector

use of javax.tools.DiagnosticCollector in project ceylon-compiler by ceylon.

the class T6458823 method main.

public static void main(String[] args) throws Exception {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    if (compiler == null) {
        throw new RuntimeException("can't get javax.tools.JavaCompiler!");
    }
    DiagnosticCollector<JavaFileObject> diagColl = new DiagnosticCollector<JavaFileObject>();
    StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null);
    List<String> options = new ArrayList<String>();
    options.add("-processor");
    options.add("MyProcessor");
    options.add("-proc:only");
    List<File> files = new ArrayList<File>();
    files.add(new File(T6458823.class.getResource("TestClass.java").toURI()));
    final CompilationTask task = compiler.getTask(null, fm, diagColl, options, null, fm.getJavaFileObjectsFromFiles(files));
    task.call();
    int diagCount = 0;
    for (Diagnostic<? extends JavaFileObject> diag : diagColl.getDiagnostics()) {
        if (diag.getKind() != Diagnostic.Kind.WARNING) {
            throw new AssertionError("Only warnings expected");
        }
        System.out.println(diag);
        if (diag.getPosition() == Diagnostic.NOPOS) {
            throw new AssertionError("No position info in message");
        }
        if (diag.getSource() == null) {
            throw new AssertionError("No source info in message");
        }
        diagCount++;
    }
    if (diagCount != 2) {
        throw new AssertionError("unexpected number of warnings: " + diagCount + ", expected: 2");
    }
}

Example 28 with DiagnosticCollector

use of javax.tools.DiagnosticCollector in project ceylon-compiler by ceylon.

the class T6956638 method test.

void test(File... sourceFiles) throws Exception {
    System.err.println("Test " + (++count) + ": " + Arrays.asList(sourceFiles));
    File classesDir = new File("classes" + count);
    classesDir.mkdirs();
    StringWriter compilerOutputStream = new StringWriter();
    List<String> compileOptions = Arrays.asList("-d", classesDir.getPath());
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    DiagnosticCollector<JavaFileObject> diagnosticCollector = new DiagnosticCollector<JavaFileObject>();
    StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnosticCollector, null, null);
    Iterable<? extends JavaFileObject> sourceFileObjects = fileManager.getJavaFileObjects(sourceFiles);
    System.err.println("1- javac given java source JavaFileObjects " + sourceFileObjects);
    JavaCompiler.CompilationTask task = compiler.getTask(compilerOutputStream, fileManager, null, compileOptions, null, sourceFileObjects);
    JavacTask javacTask = (JavacTask) task;
    Iterable<? extends CompilationUnitTree> parsedTrees = javacTask.parse();
    Iterable<? extends Element> analyzedTrees = javacTask.analyze();
    Iterable<? extends JavaFileObject> generatedFiles = javacTask.generate();
    System.err.println("2- parsed:" + size(parsedTrees) + " analysed:" + size(analyzedTrees) + " generated:" + size(generatedFiles));
    System.err.print("3-");
    for (JavaFileObject f : generatedFiles) System.err.print(" " + f);
    System.err.println("");
    System.err.print("5-");
    for (File f : classesDir.listFiles()) System.err.print(" " + f);
    System.err.println("");
    System.err.println("----");
    System.err.println(compilerOutputStream.toString());
    if (size(generatedFiles) != size(parsedTrees)) {
        throw new Exception("wrong number of files generated: " + size(generatedFiles) + " expected: " + size(parsedTrees));
    }
}