字节码向BAF转换

                                                                 word r0,l1,l2,l3

0：iconst_1                                            push1
1:   istore_1                                             store.i l1   
2:   iconst_2                                            push2
3:   istore_2                                             store.i l2
4:   iload_1                                              load.i l1
5:   iload_2                                              load.i l2
6:   iadd                                                    add.i
7:istore_3                                                 add.i
8:   getstatic                                            staticget <java.lang.System: java.io.printStream Out>
11   iload_3                                            load.i l3
12invokevirtual                                      virtualinvoke <java.io.printStream: void println(int)>;


aload_0                                                 wordr0;
                                                                ro:=@this.test
                                                                load.r ro;
invokeSpecial                                      specialinvoke  <java.lang.Object: void <init>()>