你牛恶.txt

c++ pl/0语言分析程序

(3,0)program   (1,1)abc       (30,0);        (4,0)var
(1,2)x         (32,0),        (1,3)y         (32,0),
(1,4)z         (30,0);        (6,0)begin     (2,0uu)0uu
(1,5)uuuuuuu   (1,3)y         (29,0):=       (2,219)219
(30,0);        (1,4)z         (29,0):=       (2,37)37
(30,0);        (1,2)x         (29,0):=       (1,3)y
(16,0)+        (1,4)z         (30,0);        **error(1)**
(1,5)uuuuuuu   (7,0)end       (31,0).
序列    名字    地址
1        abc      0
2        x        0
3        y        0
4        z        0
5        uuuuuuu  0
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