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

Example 76 with JavaCompiler

use of javax.tools.JavaCompiler 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 77 with JavaCompiler

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

the class InMemoryJavaCompiler method compile.

public static Class<?> compile(String className, String sourceCodeInText) throws Exception {
    JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
    DynamicClassLoader cl = new DynamicClassLoader(ClassLoader.getSystemClassLoader());
    SourceCode sourceCode = new SourceCode(className, sourceCodeInText);
    CompiledCode compiledCode = new CompiledCode(className);
    Iterable<? extends JavaFileObject> compilationUnits = Arrays.asList(sourceCode);
    ExtendedStandardJavaFileManager fileManager = new ExtendedStandardJavaFileManager(javac.getStandardFileManager(null, null, null), compiledCode, cl);
    JavaCompiler.CompilationTask task = javac.getTask(null, fileManager, null, null, null, compilationUnits);
    task.call();
    return cl.loadClass(className);
}

Example 78 with JavaCompiler

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

the class InMemoryJavaCompiler method compile.

public static Class<?> compile(List<SourceCode> codeList, String className) throws Exception {
    JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
    DynamicClassLoader cl = new DynamicClassLoader(ClassLoader.getSystemClassLoader());
    ExtendedStandardJavaFileManager fileManager = new ExtendedStandardJavaFileManager(javac.getStandardFileManager(null, null, null), cl);
    for (SourceCode sourceCode : codeList) {
        // SourceCode sourceCode = new SourceCode(className,
        // sourceCodeInText);
        CompiledCode compiledCode = new CompiledCode(sourceCode.getClassName());
        fileManager.addCode(compiledCode);
    }
    // Arrays.asList(sourceCode);
    Iterable<? extends JavaFileObject> compilationUnits = codeList;
    JavaCompiler.CompilationTask task = javac.getTask(null, fileManager, null, getDefaultOption(), null, compilationUnits);
    boolean result = task.call();
    return cl.loadClass(className);
}

Example 79 with JavaCompiler

use of javax.tools.JavaCompiler 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 80 with JavaCompiler

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

the class T6963934 method main.

public static void main(String[] args) throws Exception {
    File testSrc = new File(System.getProperty("test.src"));
    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)
        throw new Exception("unexpected number of imports found: " + count + ", expected: " + expected);
}