++.cod

pl0语言拓展

=== COMPILE PL0 ===
  0 PROGRAM MAIN; 
  0 CONST A=10; 
  1 VAR B; 
  1 BEGIN  
  2 B:=A; 
  4 B++; 
***   ^19
  4 WRITE(B); 
  7 END. 
  0  JMP   0   1
  1  INI   0   4
  2  LIT   0  10
  3  STO   0   3
  4  LOD   0   3
  5  OPR   0  14
  6  OPR   0  15
  7  OPR   0   0
ERROR IN PL/0 PROGRAM