e0101.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 WRITE(A); 
***              ^1
 15 ELSE WRITE(B); 
***    ^11
***          ^13
***          ^24
***          ^10
 18 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  15
 12  LOD   0   3
 13  OPR   0  14
 14  OPR   0  15
 15  LOD   0   4
 16  OPR   0  14
 17  OPR   0  15
 18  OPR   0   0
ERROR IN PL/0 PROGRAM