e01d0.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 DO 
 17 A:=9; 
 19 WRITE(A); 
 22 A:=8; 
 24 WRITE(A); 
 27 UNTIL A<10; 
 31  
 31 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   9
 18  STO   0   3
 19  LOD   0   3
 20  OPR   0  14
 21  OPR   0  15
 22  LIT   0   8
 23  STO   0   3
 24  LOD   0   3
 25  OPR   0  14
 26  OPR   0  15
 27  LOD   0   3
 28  LIT   0  10
 29  OPR   0  10
 30  JPC   0  17
 31  OPR   0   0
~~~ RUN PL0 ~~~
? 400
88
9
8
~~~ END PL0 ~~~