编译原理第三版课后习题答案

目录

P36-6 ...................................................................................................................................... 2 P36-7 ...................................................................................................................................... 2 P36-8 ...................................................................................................................................... 2 P36-9 ...................................................................................................................................... 3 P36-10 .................................................................................................................................... 3 P36-11 .................................................................................................................................... 3 P64–7 ................................................................................................................................... 4 P64–8 ................................................................................................................................... 5 P64–12 ................................................................................................................................. 5 P64–14 ................................................................................................................................. 7 P81–1 ................................................................................................................................... 8 P81–2 ................................................................................................................................... 9 P81–3 ................................................................................................................................. 12 P133–1 ............................................................................................................................... 12 P133–2 ............................................................................................................................... 12 P133–3 ............................................................................................................................... 14 P134–5 ............................................................................................................................... 15 P164–5 ............................................................................................................................... 19 P164–7 ............................................................................................................................... 19 P217–1 ............................................................................................................................... 19 P217–3 ............................................................................................................................... 20 P218–4 ............................................................................................................................... 20 P218–5 ............................................................................................................................... 21 P218–6 ............................................................................................................................... 22 P218–7 ............................................................................................................................... 22 P219–12 ............................................................................................................................. 22 P270–9 ............................................................................................................................... 24

P36-6

(1)

L(G1)是0~9组成的数字串

(2)

最左推导:

N?ND?NDD?NDDD?DDDD?0DDD?01DD?012D?0127N?ND?DD?3D?34N?ND?NDD?DDD?5DD?56D?568最右推导:

N?ND?N7?ND7?N27?ND27?N127?D127?0127N?ND?N4?D4?34N?ND?N8?ND8?N68?D68?568

P36-7

G(S)

O?1|3|5|7|9N?2|4|6|8|OD?0|NS?O|AOA?AD|N

P36-8

文法：

E?T|E?T|E?TT?F|T*F|T/F F?(E)|i最左推导:

E?E?T?T?T?F?T?i?T?i?T*F?i?F*F?i?i*F?i?i*iE?T?T*F?F*F?i*F?i*(E)?i*(E?T)?i*(T?T)?i*(F?T)?i*(i?T)?i*(i?F)?i*(i?i)

最右推导:

E?E?T?E?T*F?E?T*i?E?F*i?E?i*i?T?i*i?F?i*i?i?i*iE?T?F*T?F*F?F*(E)?F*(E?T)?F*(E?F)?F*(E?i)?F*(T?i)?F*(F?i)?F*(i?i)?i*(i?i)语法树：/********************************