for (int i = 0; i < arity; ++i) {
args[i] = stack.get(stack.size() - i - 1);
}
// Let the executionContext do the debug processing.
executionContext.debugProcessing(getName().getQualifiedName(), args);
}
// Pop the arguments off the stack and put in an array.
Node[] args = new Node[getArity()];