private DispatchNode doDynamicObject(
VirtualFrame frame,
DispatchNode first,
Object receiverObject,
Object methodName,
Object[] argumentsObjects) {
final DynamicObject callerClass;
if (ignoreVisibility) {
callerClass = null;
} else if (getDispatchAction() == DispatchAction.RESPOND_TO_METHOD) {
final Frame callerFrame =
getContext()
.getCallStack()
.getCallerFrameIgnoringSend()
.getFrame(FrameInstance.FrameAccess.READ_ONLY, true);
callerClass = coreLibrary().getMetaClass(RubyArguments.getSelf(callerFrame.getArguments()));
} else {
callerClass = coreLibrary().getMetaClass(RubyArguments.getSelf(frame));
}
final InternalMethod method =
lookup(callerClass, receiverObject, toString(methodName), ignoreVisibility);
if (method == null) {
return createMethodMissingNode(first, methodName, receiverObject);
}
final DynamicObject receiverMetaClass = coreLibrary().getMetaClass(receiverObject);
if (RubyGuards.isRubySymbol(receiverObject)) {
return new CachedBoxedSymbolDispatchNode(
getContext(), methodName, first, method, getDispatchAction());
} else if (Layouts.CLASS.getIsSingleton(receiverMetaClass)) {
return new CachedSingletonDispatchNode(
getContext(),
methodName,
first,
((DynamicObject) receiverObject),
receiverMetaClass,
method,
getDispatchAction());
} else {
return new CachedBoxedDispatchNode(
getContext(),
methodName,
first,
((DynamicObject) receiverObject).getShape(),
receiverMetaClass,
method,
getDispatchAction());
}
}
/**
* The foreign receiver in the frame.
*
* @param frame the frame that was called via {@link #execute(com.oracle.truffle.api.nodes.Node,
* com.oracle.truffle.api.frame.VirtualFrame, com.oracle.truffle.api.interop.TruffleObject,
* java.lang.Object...) }
* @return the receiver used when invoking the frame
*/
public static TruffleObject getReceiver(Frame frame) {
return (TruffleObject) frame.getArguments()[ForeignAccessArguments.RECEIVER_INDEX];
}
/**
* Read only access to foreign call arguments inside of a frame.
*
* @param frame the frame that was called via {@link #execute(com.oracle.truffle.api.nodes.Node,
* com.oracle.truffle.api.frame.VirtualFrame, com.oracle.truffle.api.interop.TruffleObject,
* java.lang.Object...) }
* @return read-only list of parameters passed to the frame
*/
public static List<Object> getArguments(Frame frame) {
final Object[] arr = frame.getArguments();
return ReadOnlyArrayList.asList(arr, 1, arr.length);
}