Java Code Examples for jdk.internal.org.objectweb.asm.MethodVisitor#visitFieldInsn()

The following examples show how to use jdk.internal.org.objectweb.asm.MethodVisitor#visitFieldInsn() . 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: BoundMethodHandle.java    From Java8CN with Apache License 2.0 5 votes vote down vote up 
private static void emitPushFields(String types, String className, MethodVisitor mv) {
    for (int i = 0; i < types.length(); ++i) {
        char tc = types.charAt(i);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, className, makeFieldName(types, i), typeSig(tc));
    }
}
Example 2
Source File: EventHandlerCreator.java    From dragonwell8_jdk with GNU General Public License v2.0 5 votes vote down vote up 
private void buildConstructor() {
    MethodVisitor mv = classWriter.visitMethod(Opcodes.ACC_PRIVATE, METHOD_EVENT_HANDLER_CONSTRUCTOR.getName(), makeConstructorDescriptor(settingInfos), null, null);
    mv.visitVarInsn(Opcodes.ALOAD, 0); // this
    mv.visitVarInsn(Opcodes.ILOAD, 1); // registered
    mv.visitVarInsn(Opcodes.ALOAD, 2); // event type
    mv.visitVarInsn(Opcodes.ALOAD, 3); // event control
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(EventHandler.class), METHOD_EVENT_HANDLER_CONSTRUCTOR.getName(), METHOD_EVENT_HANDLER_CONSTRUCTOR.getDescriptor(), false);
    for (SettingInfo si : settingInfos) {
        mv.visitVarInsn(Opcodes.ALOAD, 0); // this
        mv.visitVarInsn(Opcodes.ALOAD, si.index + 4); // Setting Control
        mv.visitFieldInsn(Opcodes.PUTFIELD, internalClassName, si.fieldName, TYPE_SETTING_CONTROL.getDescriptor());
    }
    // initialized string field writers
    int fieldIndex = 0;
    for (FieldInfo field : fields) {
        if (field.isString()) {
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(EventHandler.class), "createStringFieldWriter", "()" + TYPE_STRING_POOL.getDescriptor(), false);
            mv.visitFieldInsn(Opcodes.PUTFIELD, internalClassName, FIELD_PREFIX_STRING_POOL + fieldIndex, TYPE_STRING_POOL.getDescriptor());
        }
        fieldIndex++;
    }
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}
Example 3
Source File: TestConcreteClassWithAbstractMethod.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
public static byte[] dumpT1() {
    ClassWriter cw = new ClassWriter(0);
    MethodVisitor mv;

    cw.visit(52, ACC_PUBLIC | ACC_SUPER, "p1/T1", null, "java/lang/Object", null);
    {
        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
        mv.visitInsn(RETURN);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "m", "()I", null, null);
        mv.visitCode();
        mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
        mv.visitLdcInsn("p1/T1.m()");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "print", "(Ljava/lang/String;)V", false);
        mv.visitIntInsn(BIPUSH, 3);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(2, 1);
        mv.visitEnd();
    }
    cw.visitEnd();

    return cw.toByteArray();
}
Example 4
Source File: BoundMethodHandle.java    From jdk1.8-source-analysis with Apache License 2.0 5 votes vote down vote up 
private static void emitPushFields(String types, String className, MethodVisitor mv) {
    for (int i = 0; i < types.length(); ++i) {
        char tc = types.charAt(i);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, className, makeFieldName(types, i), typeSig(tc));
    }
}
Example 5
Source File: UntrustedInterfaces.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up 
@Override
protected Class<?> findClass(String name) throws ClassNotFoundException {
    if (name.equals(POISON_IMPL_NAME)) {
        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS | ClassWriter.COMPUTE_FRAMES);

        cw.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC, POISON_IMPL_NAME.replace('.', '/'), null, Type.getInternalName(Pill.class), null);
        // constructor
        MethodVisitor constructor = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
        constructor.visitCode();
        constructor.visitVarInsn(Opcodes.ALOAD, 0);
        constructor.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Pill.class), "<init>", "()V", false);
        constructor.visitInsn(Opcodes.RETURN);
        constructor.visitMaxs(0, 0);
        constructor.visitEnd();

        MethodVisitor setList = cw.visitMethod(Opcodes.ACC_PUBLIC, "setField", "()V", null, null);
        setList.visitCode();
        setList.visitVarInsn(Opcodes.ALOAD, 0);
        setList.visitTypeInsn(Opcodes.NEW, Type.getInternalName(Object.class));
        setList.visitInsn(Opcodes.DUP);
        setList.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Object.class), "<init>", "()V", false);
        setList.visitFieldInsn(Opcodes.PUTFIELD, Type.getInternalName(Pill.class), "field", Type.getDescriptor(TestInterface.class));
        setList.visitInsn(Opcodes.RETURN);
        setList.visitMaxs(0, 0);
        setList.visitEnd();

        MethodVisitor setStaticList = cw.visitMethod(Opcodes.ACC_PUBLIC, "setStaticField", "()V", null, null);
        setStaticList.visitCode();
        setStaticList.visitTypeInsn(Opcodes.NEW, Type.getInternalName(Object.class));
        setStaticList.visitInsn(Opcodes.DUP);
        setStaticList.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Object.class), "<init>", "()V", false);
        setStaticList.visitFieldInsn(Opcodes.PUTSTATIC, Type.getInternalName(Pill.class), "staticField", Type.getDescriptor(TestInterface.class));
        setStaticList.visitInsn(Opcodes.RETURN);
        setStaticList.visitMaxs(0, 0);
        setStaticList.visitEnd();

        MethodVisitor callMe = cw.visitMethod(Opcodes.ACC_PUBLIC, "callMe", Type.getMethodDescriptor(Type.INT_TYPE, Type.getType(CallBack.class)), null, null);
        callMe.visitCode();
        callMe.visitVarInsn(Opcodes.ALOAD, 1);
        callMe.visitTypeInsn(Opcodes.NEW, Type.getInternalName(Object.class));
        callMe.visitInsn(Opcodes.DUP);
        callMe.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Object.class), "<init>", "()V", false);
        callMe.visitMethodInsn(Opcodes.INVOKEINTERFACE, Type.getInternalName(CallBack.class), "callBack", Type.getMethodDescriptor(Type.INT_TYPE, Type.getType(TestInterface.class)), true);
        callMe.visitInsn(Opcodes.IRETURN);
        callMe.visitMaxs(0, 0);
        callMe.visitEnd();

        MethodVisitor getList = cw.visitMethod(Opcodes.ACC_PUBLIC, "get", Type.getMethodDescriptor(Type.getType(TestInterface.class)), null, null);
        getList.visitCode();
        getList.visitTypeInsn(Opcodes.NEW, Type.getInternalName(Object.class));
        getList.visitInsn(Opcodes.DUP);
        getList.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Object.class), "<init>", "()V", false);
        getList.visitInsn(Opcodes.ARETURN);
        getList.visitMaxs(0, 0);
        getList.visitEnd();

        cw.visitEnd();

        byte[] bytes = cw.toByteArray();
        return defineClass(name, bytes, 0, bytes.length);
    }
    return super.findClass(name);
}
Example 6
Source File: FieldInsnNode.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up 
@Override
public void accept(final MethodVisitor mv) {
    mv.visitFieldInsn(opcode, owner, name, desc);
    acceptAnnotations(mv);
}
Example 7
Source File: TestConcreteClassWithAbstractMethod.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
public static byte[] dumpT3() {
    ClassWriter cw = new ClassWriter(0);
    MethodVisitor mv;

    cw.visit(52, ACC_PUBLIC + ACC_SUPER, "p1/T3", null, "p1/T2", null);

    {
        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "p1/T2", "<init>", "()V", false);
        mv.visitInsn(RETURN);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "m", "()I", null, null);
        mv.visitCode();
        mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
        mv.visitLdcInsn("p1/T3.m()");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "print", "(Ljava/lang/String;)V", false);
        mv.visitIntInsn(BIPUSH, 2);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(2, 1);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC + ACC_STATIC, "test", "()I", null, null);
        mv.visitCode();
        mv.visitTypeInsn(NEW, "p1/T3");
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, "p1/T3", "<init>", "()V", false);
        mv.visitMethodInsn(INVOKEVIRTUAL, "p1/T2", "m", "()I", false);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(3, 2);
        mv.visitEnd();
    }
    cw.visitEnd();

    return cw.toByteArray();
}
Example 8
Source File: ObjectType.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up 
@Override
public Type loadUndefined(final MethodVisitor method) {
    method.visitFieldInsn(GETSTATIC, className(ScriptRuntime.class), "UNDEFINED", typeDescriptor(Undefined.class));
    return UNDEFINED;
}
Example 9
Source File: SystemModulesPlugin.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Loads an Enum field.
 */
void visitElement(T t, MethodVisitor mv) {
    mv.visitFieldInsn(GETSTATIC, className, t.toString(),
                      "L" + className + ";");
}
Example 10
Source File: ObjectType.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
@Override
public Type loadUndefined(final MethodVisitor method) {
    method.visitFieldInsn(GETSTATIC, className(ScriptRuntime.class), "UNDEFINED", typeDescriptor(Undefined.class));
    return UNDEFINED;
}
Example 11
Source File: TestConcreteClassWithAbstractMethod.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up 
public static byte[] dumpT3() {
    ClassWriter cw = new ClassWriter(0);
    MethodVisitor mv;

    cw.visit(52, ACC_PUBLIC + ACC_SUPER, "p1/T3", null, "p1/T2", null);

    {
        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "p1/T2", "<init>", "()V", false);
        mv.visitInsn(RETURN);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "m", "()I", null, null);
        mv.visitCode();
        mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
        mv.visitLdcInsn("p1/T3.m()");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "print", "(Ljava/lang/String;)V", false);
        mv.visitIntInsn(BIPUSH, 2);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(2, 1);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC + ACC_STATIC, "test", "()I", null, null);
        mv.visitCode();
        mv.visitTypeInsn(NEW, "p1/T3");
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, "p1/T3", "<init>", "()V", false);
        mv.visitMethodInsn(INVOKEVIRTUAL, "p1/T2", "m", "()I", false);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(3, 2);
        mv.visitEnd();
    }
    cw.visitEnd();

    return cw.toByteArray();
}
Example 12
Source File: ObjectType.java    From jdk8u_nashorn with GNU General Public License v2.0 4 votes vote down vote up 
@Override
public Type loadEmpty(final MethodVisitor method) {
    method.visitFieldInsn(GETSTATIC, className(ScriptRuntime.class), "EMPTY", typeDescriptor(Undefined.class));
    return UNDEFINED;
}
Example 13
Source File: ObjectType.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
@Override
public Type loadEmpty(final MethodVisitor method) {
    method.visitFieldInsn(GETSTATIC, className(ScriptRuntime.class), "EMPTY", typeDescriptor(Undefined.class));
    return UNDEFINED;
}
Example 14
Source File: ObjectType.java    From nashorn with GNU General Public License v2.0 4 votes vote down vote up 
@Override
public Type loadEmpty(final MethodVisitor method) {
    method.visitFieldInsn(GETSTATIC, className(ScriptRuntime.class), "EMPTY", typeDescriptor(Undefined.class));
    return OBJECT;
}
Example 15
Source File: FieldInsnNode.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
@Override
public void accept(final MethodVisitor mv) {
    mv.visitFieldInsn(opcode, owner, name, desc);
    acceptAnnotations(mv);
}
Example 16
Source File: TestMeetIncompatibleInterfaceArrays.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
static void generateTestClass(int dim, boolean good) throws Exception {
    String baseClassName = "MeetIncompatibleInterfaceArrays";
    if (good)
        baseClassName += "Good";
    String createName = "createI2" + (good ? "1" : "") + "Array";
    String a = "";
    for (int i = 0; i < dim; i++)
        a += "[";
    ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
    cw.visit(V1_8, ACC_PUBLIC, baseClassName + dim + "ASM", null, "java/lang/Object", null);
    MethodVisitor constr = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
    constr.visitCode();
    constr.visitVarInsn(ALOAD, 0);
    constr.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
    constr.visitInsn(RETURN);
    constr.visitMaxs(0, 0);
    constr.visitEnd();
    MethodVisitor run = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "run",
            "()" + a + "LTestMeetIncompatibleInterfaceArrays$I1;", null, null);
    run.visitCode();
    if (dim == 4) {
        run.visitMethodInsn(INVOKESTATIC, "TestMeetIncompatibleInterfaceArrays$Helper", createName + 3,
                "()" + "[[[" + "LTestMeetIncompatibleInterfaceArrays$I2;", false);
    } else {
        run.visitMethodInsn(INVOKESTATIC, "TestMeetIncompatibleInterfaceArrays$Helper", createName + dim,
                "()" + a + "LTestMeetIncompatibleInterfaceArrays$I2;", false);
    }
    run.visitInsn(ARETURN);
    run.visitMaxs(0, 0);
    run.visitEnd();
    MethodVisitor test = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "test", "()V", null, null);
    test.visitCode();
    test.visitMethodInsn(INVOKESTATIC, baseClassName + dim + "ASM", "run",
            "()" + a + "LTestMeetIncompatibleInterfaceArrays$I1;", false);
    test.visitVarInsn(ASTORE, 0);
    if (dim > 0) {
        test.visitVarInsn(ALOAD, 0);
        for (int i = 1; i <= dim; i++) {
            test.visitInsn(ICONST_0);
            test.visitInsn(AALOAD);
        }
        test.visitVarInsn(ASTORE, 1);
    }
    test.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
    test.visitVarInsn(ALOAD, dim > 0 ? 1 : 0);
    test.visitMethodInsn(INVOKEINTERFACE, "TestMeetIncompatibleInterfaceArrays$I1", "getName",
            "()Ljava/lang/String;", true);
    test.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/Object;)V", false);
    test.visitInsn(RETURN);
    test.visitMaxs(0, 0);
    test.visitEnd();

    // Get the bytes of the class..
    byte[] b = cw.toByteArray();
    // ..and write them into a class file (for debugging)
    FileOutputStream fos = new FileOutputStream(PATH + baseClassName + dim + "ASM.class");
    fos.write(b);
    fos.close();

}
Example 17
Source File: TransitiveOverrideCFV50.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up 
public static byte[] dumpP2C() {

        ClassWriter cw = new ClassWriter(0);
        MethodVisitor mv;

        cw.visit(V1_6, ACC_PUBLIC + ACC_SUPER, "P2/C", null, "P1/B", null);

        {
            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, "P1/B", "<init>", "()V", false);
            mv.visitInsn(RETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PUBLIC, "m", "()I", null, null);
            mv.visitCode();
            mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
            mv.visitLdcInsn("P2/C.m");
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
            mv.visitIntInsn(BIPUSH, 3);
            mv.visitInsn(IRETURN);
            mv.visitMaxs(2, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PUBLIC + ACC_STATIC, "test", "()I", null, null);
            mv.visitCode();
            mv.visitTypeInsn(NEW, "P2/C");
            mv.visitInsn(DUP);
            mv.visitMethodInsn(INVOKESPECIAL, "P2/C", "<init>", "()V", false);
            mv.visitMethodInsn(INVOKEVIRTUAL, "P1/A", "m", "()I", false);
            mv.visitInsn(IRETURN);
            mv.visitMaxs(3, 2);
            mv.visitEnd();
        }

        cw.visitEnd();

        return cw.toByteArray();
    }
Example 18
Source File: ObjectType.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up 
@Override
public Type loadEmpty(final MethodVisitor method) {
    method.visitFieldInsn(GETSTATIC, className(ScriptRuntime.class), "EMPTY", typeDescriptor(Undefined.class));
    return OBJECT;
}
Example 19
Source File: FieldInsnNode.java    From nashorn with GNU General Public License v2.0 4 votes vote down vote up 
@Override
public void accept(final MethodVisitor cv) {
    cv.visitFieldInsn(opcode, owner, name, desc);
}
Example 20
Source File: TestMeetIncompatibleInterfaceArrays.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
static void generateTestClass(int dim, boolean good) throws Exception {
    String baseClassName = "MeetIncompatibleInterfaceArrays";
    if (good)
        baseClassName += "Good";
    String createName = "createI2" + (good ? "1" : "") + "Array";
    String a = "";
    for (int i = 0; i < dim; i++)
        a += "[";
    ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
    cw.visit(V1_8, ACC_PUBLIC, baseClassName + dim + "ASM", null, "java/lang/Object", null);
    MethodVisitor constr = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
    constr.visitCode();
    constr.visitVarInsn(ALOAD, 0);
    constr.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
    constr.visitInsn(RETURN);
    constr.visitMaxs(0, 0);
    constr.visitEnd();
    MethodVisitor run = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "run",
            "()" + a + "LTestMeetIncompatibleInterfaceArrays$I1;", null, null);
    run.visitCode();
    if (dim == 4) {
        run.visitMethodInsn(INVOKESTATIC, "TestMeetIncompatibleInterfaceArrays$Helper", createName + 3,
                "()" + "[[[" + "LTestMeetIncompatibleInterfaceArrays$I2;", false);
    } else {
        run.visitMethodInsn(INVOKESTATIC, "TestMeetIncompatibleInterfaceArrays$Helper", createName + dim,
                "()" + a + "LTestMeetIncompatibleInterfaceArrays$I2;", false);
    }
    run.visitInsn(ARETURN);
    run.visitMaxs(0, 0);
    run.visitEnd();
    MethodVisitor test = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "test", "()V", null, null);
    test.visitCode();
    test.visitMethodInsn(INVOKESTATIC, baseClassName + dim + "ASM", "run",
            "()" + a + "LTestMeetIncompatibleInterfaceArrays$I1;", false);
    test.visitVarInsn(ASTORE, 0);
    if (dim > 0) {
        test.visitVarInsn(ALOAD, 0);
        for (int i = 1; i <= dim; i++) {
            test.visitInsn(ICONST_0);
            test.visitInsn(AALOAD);
        }
        test.visitVarInsn(ASTORE, 1);
    }
    test.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
    test.visitVarInsn(ALOAD, dim > 0 ? 1 : 0);
    test.visitMethodInsn(INVOKEINTERFACE, "TestMeetIncompatibleInterfaceArrays$I1", "getName",
            "()Ljava/lang/String;", true);
    test.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/Object;)V", false);
    test.visitInsn(RETURN);
    test.visitMaxs(0, 0);
    test.visitEnd();

    // Get the bytes of the class..
    byte[] b = cw.toByteArray();
    // ..and write them into a class file (for debugging)
    FileOutputStream fos = new FileOutputStream(PATH + baseClassName + dim + "ASM.class");
    fos.write(b);
    fos.close();

}