e01f2.cod

编译原理课程设计 PL/0语言编译程序 c++builder

=== COMPILE PL0 ===
  0 PROGRAM EX01; 
  0 VAR A,B; 
  1 BEGIN 
  2   A:=88; 
  4   B:=11; 
  6  READ(B); 
  8 IF A>B  
 10 THEN  
---------25=25 
 11 A:=100; 
 14 WRITE(A); 
 17 FOR A:=5; A>1; A:=A-1; DO 
 27 BEGIN 
 27 WRITE(A); 
 30 B:=B+A; 
 34 WRITE(B); 
 37 END; 
 38 END. 
  0  JMP   0   1
  1  INI   0   5
  2  LIT   0  88
  3  STO   0   3
  4  LIT   0  11
  5  STO   0   4
  6  OPR   0  16
  7  STO   0   4
  8  LOD   0   3
  9  LOD   0   4
 10  OPR   0  12
 11  JPC   0  14
 12  LIT   0 100
 13  STO   0   3
 14  LOD   0   3
 15  OPR   0  14
 16  OPR   0  15
 17  LIT   0   5
 18  STO   0   3
 19  LOD   0   3
 20  LIT   0   1
 21  OPR   0  12
 22  JPC   0  38
 23  LOD   0   3
 24  LIT   0   1
 25  OPR   0   3
 26  STO   0   3
 27  LOD   0   3
 28  OPR   0  14
 29  OPR   0  15
 30  LOD   0   4
 31  LOD   0   3
 32  OPR   0   2
 33  STO   0   4
 34  LOD   0   4
 35  OPR   0  14
 36  OPR   0  15
 37  JMP   0  19
 38  OPR   0   0
~~~ RUN PL0 ~~~
? 43
100
4
47
3
50
2
52
1
53
~~~ END PL0 ~~~