if (!reverseNodeSet()) return;
    public void orderIterator(ClassGenerator classGen,			      MethodGenerator methodGen) {	final ConstantPoolGen cpg = classGen.getConstantPool();	final InstructionList il = methodGen.getInstructionList();	final int init = cpg.addMethodref(REVERSE_ITERATOR, "<init>",					  "("+NODE_ITERATOR_SIG+")V");	il.append(new NEW(cpg.addClass(REVERSE_ITERATOR)));	il.append(DUP_X1);	il.append(SWAP);	il.append(new INVOKESPECIAL(init));    }