@Override
public Object executeDispatch(
final VirtualFrame frame,
final Object receiverObject,
final Object methodName,
DynamicObject blockObject,
final Object[] argumentsObjects) {
CompilerDirectives.transferToInterpreterAndInvalidate();
// Make sure to have an up-to-date Shape.
if (receiverObject instanceof DynamicObject) {
((DynamicObject) receiverObject).updateShape();
}
final DispatchNode dispatch =
atomic(
new Callable<DispatchNode>() {
@Override
public DispatchNode call() throws Exception {
final DispatchNode first = getHeadNode().getFirstDispatchNode();
// First try to see if we did not a miss a specialization added by another thread.
DispatchNode lookupDispatch = first;
while (lookupDispatch != null) {
if (lookupDispatch.guard(methodName, receiverObject)) {
// This one worked, no need to rewrite anything.
return lookupDispatch;
}
lookupDispatch = lookupDispatch.getNext();
}
// We need a new node to handle this case.
final DispatchNode newDispathNode;
if (depth == getContext().getOptions().DISPATCH_CACHE) {
newDispathNode =
new UncachedDispatchNode(
getContext(), ignoreVisibility, getDispatchAction(), missingBehavior);
} else {
depth++;
if (RubyGuards.isForeignObject(receiverObject)) {
newDispathNode = createForeign(argumentsObjects, first, methodName);
} else if (RubyGuards.isRubyBasicObject(receiverObject)) {
newDispathNode =
doDynamicObject(frame, first, receiverObject, methodName, argumentsObjects);
} else {
newDispathNode = doUnboxedObject(frame, first, receiverObject, methodName);
}
}
first.replace(newDispathNode);
return newDispathNode;
}
});
return dispatch.executeDispatch(
frame, receiverObject, methodName, blockObject, argumentsObjects);
}
private void setWithShapeSlowCase(
DynamicObject store, Object value, Shape currentShape, Shape nextShape) {
Shape oldShape = currentShape;
if (store.updateShape()) {
oldShape = store.getShape();
}
LayoutStrategy strategy = ((LayoutImpl) currentShape.getLayout()).getStrategy();
LayoutStrategy.ShapeAndProperty newShapeAndProperty =
strategy.generalizeProperty(this, value, (ShapeImpl) oldShape, (ShapeImpl) nextShape);
if (store.updateShape()) {
oldShape = store.getShape();
}
Shape newNextShape = newShapeAndProperty.getShape();
Property newProperty = newShapeAndProperty.getProperty();
assert newNextShape.isValid() && oldShape.isValid();
newProperty.setSafe(store, value, oldShape, newNextShape);
}
private void setSlowCase(DynamicObject store, Object value) {
Shape oldShape = store.getShape();
Shape newShape = oldShape.defineProperty(getKey(), value, getFlags());
if (store.updateShape()) {
oldShape = store.getShape();
}
assert newShape.isValid() && oldShape.isValid();
Property newProperty = newShape.getProperty(getKey());
newProperty.setSafe(store, value, oldShape, newShape);
}
protected Location getLocation(DynamicObject object, Object value) {
object.updateShape();
final Shape oldShape = object.getShape();
final Property property = oldShape.getProperty(name);
if (property != null && property.getLocation().canSet(object, value)) {
return property.getLocation();
} else {
return null;
}
}
@TruffleBoundary
@Specialization
public void writeUncached(DynamicObject object, Object value) {
object.updateShape();
final Shape shape = object.getShape();
final Property property = shape.getProperty(name);
if (property == null) {
object.define(name, value, 0);
} else {
property.setGeneric(object, value, shape);
}
}
protected static Shape createSharedShape(DynamicObject object) {
object.updateShape();
final Shape oldShape = object.getShape();
return oldShape.makeSharedShape();
}
public static boolean updateShape(DynamicObject object) {
CompilerDirectives.transferToInterpreter();
return object.updateShape();
}
