com.oracle.truffle.api

Interface ReplaceObserver

public interface ReplaceObserver

An observer that is notified whenever a child node is replaced. Note this is not called if the RootNode does not have a CallTarget yet.

Since:

0.8 or earlier

Method Summary

Modifier and Type	Method and Description
boolean	nodeReplaced(Node oldNode, Node newNode, CharSequence reason) Returns true if the event is consumed and no parent nodes should be notified by for replaces.

Method Detail

nodeReplaced

boolean nodeReplaced(Node oldNode,
                     Node newNode,
                     CharSequence reason)

Returns true if the event is consumed and no parent nodes should be notified by for replaces. Returns false if the parent Node or CallTarget should get notified.

Since:

0.8 or earlier