final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
final int idx = cpg.addInterfaceMethodref(DOM_INTF,
"getType", "(I)I");
il.append(new SIPUSH((short)((Step)_left).getNodeType()));
il.append(methodGen.loadDOM());
il.append(methodGen.loadContextNode());
il.append(new INVOKEINTERFACE(idx, 2));
_falseList.add(il.append(new IF_ICMPNE(null)));
}