private ClassNode makeClassNode(CompileUnit cu, Type t, Class c) {
ClassNode back = null;
if (cu != null) back = cu.getClass(c.getName());
if (back == null) back = ClassHelper.make(c);
if (!(t instanceof Class)) {
ClassNode front = configureType(t);
front.setRedirect(back);
return front;
}
return back;
}
public static void doCast(MethodVisitor mv, Class type) {
if (type == Object.class) return;
if (type.isPrimitive() && type != Void.TYPE) {
unbox(mv, type);
} else {
mv.visitTypeInsn(
CHECKCAST,
type.isArray()
? BytecodeHelper.getTypeDescription(type)
: BytecodeHelper.getClassInternalName(type.getName()));
}
}
@SuppressWarnings("Unchecked")
public static Object checkImmutable(Class<?> clazz, String fieldName, Object field) {
Immutable immutable = (Immutable) clazz.getAnnotation(MY_CLASS);
List<Class> knownImmutableClasses = new ArrayList<Class>();
if (immutable != null && immutable.knownImmutableClasses().length > 0) {
knownImmutableClasses = Arrays.asList(immutable.knownImmutableClasses());
}
if (field == null
|| field instanceof Enum
|| inImmutableList(field.getClass().getName())
|| knownImmutableClasses.contains(field.getClass())) return field;
if (field instanceof Collection) return DefaultGroovyMethods.asImmutable((Collection) field);
if (field.getClass().getAnnotation(MY_CLASS) != null) return field;
final String typeName = field.getClass().getName();
throw new RuntimeException(
createErrorMessage(clazz.getName(), fieldName, typeName, "constructing"));
}
/** Generates the bytecode to unbox the current value on the stack */
public static void unbox(MethodVisitor mv, Class type) {
if (type.isPrimitive() && type != Void.TYPE) {
String returnString = "(Ljava/lang/Object;)" + BytecodeHelper.getTypeDescription(type);
mv.visitMethodInsn(INVOKESTATIC, DTT_CLASSNAME, type.getName() + "Unbox", returnString);
}
}
