NODE_ITERATOR_SIG);
il.append(classGen.loadTranslet());
il.append(new GETFIELD(iteratorIndex));
il.append(DUP);
il.append(new ASTORE(iter.getIndex()));
ifBlock = il.append(new IFNONNULL(null));
il.append(classGen.loadTranslet());
}
// Compile the step created at type checking time
_step.translate(classGen, methodGen);
il.append(new ASTORE(iter.getIndex()));
// If in the main class update the field too
if (!classGen.isExternal()) {
il.append(new ALOAD(iter.getIndex()));
il.append(new PUTFIELD(iteratorIndex));