middlecode.txt

一个不算完整的编译器实现

cc
0      =           i           -           buctcs2005_0
1      =           0           -           buctcs2005_1
2      =           buctcs2005_1 -           i          
Lable0
3      =           10          -           buctcs2005_2
4      =           i           -           buctcs2005_3
5      <           buctcs2005_2 buctcs2005_3 buctcs2005_4
6      IF_F        buctcs2005_4 Lable1     -          
7      =           c           -           buctcs2005_5
8      =           a           -           buctcs2005_6
9      =           c           -           buctcs2005_7
10     +           buctcs2005_6 buctcs2005_7 buctcs2005_8
11     =           buctcs2005_8 -           c          
12     =           i           -           buctcs2005_9
13     =           i           -           buctcs2005_10
14     =           1           -           buctcs2005_11
15     +           buctcs2005_10 buctcs2005_11 buctcs2005_12
16     =           buctcs2005_12 -           i          
17     GOTO Lable0     -           -          
Lable1
18     =           c           -           buctcs2005_13
19     RETURN      buctcs2005_13 -           -          
main
0      =           0           -           buctcs2005_0
1      =           m           -           buctcs2005_1
2      !=          buctcs2005_0 buctcs2005_1 buctcs2005_2
3      IF_F        buctcs2005_2 Lable2     -     
4      =           m           -           buctcs2005_3
5      =           0           -           buctcs2005_4
6      =           buctcs2005_4 -           m          
Lable2
7      RETURN      -           -           -