final void onEnter(EventContext context, VirtualFrame frame) {
try {
innerOnEnter(context, frame);
} catch (Throwable t) {
if (!seenException) {
CompilerDirectives.transferToInterpreterAndInvalidate();
seenException = true;
}
if (binding.isLanguageBinding()) {
throw t;
} else {
CompilerDirectives.transferToInterpreter();
failEventForInstrumentation(binding, "onEnter", t);
}
}
if (next != null) {
next.onEnter(context, frame);
}
}
/**
* Should get invoked before the node is invoked.
*
* @param frame the current frame of the execution.
*/
public void onEnter(VirtualFrame frame) {
if (lazyUpdate(frame)) {
chain.onEnter(context, frame);
}
}