le.pl0

编译实验的源程序代码 比较简单

PROGRAM CONST VAR PROCEDURE
BEGIN END GALL DO ODD
WHILE WRITE READ IF THEN ELSE 
REPEAT DOWHILE RETURN
ABCDEFGHIJKLMNOPQISTUVWSYZ
ABCDEFGHIJ
ABC1234567890 A2S3
A1 Z9 C AZ
0 1 9 12 12345 1234567890
+ - ++ += -- -=  * / = # <> 
<= >= := () , ;
9A ELSE 
END.