输出.txt

编译原理语法分析器课程设计完美版 里面有详细的说明和程序

词法分析结果如下:
(1, begin)
(10, a)
(18, :=)
(11, 1) 
(13, +)
(11, 7) 
(15, *)
(27, ()
(11, 6) 
(13, +)
(11, 3) 
(28, ))
(26, ;)
(10, b)
(18, :=)
(11, 1) 
(6, end)
(0, #)
语法分析结果如下:（以四元式形式输出）
( +, 6, 3, t1) 

( *, 7, t1, t2) 

( +, 1, t2, t3) 

( =, t3, __, a) 

( =, 1, __, b)