本书为《编译原理》教材的配套习题解答书,包含了每章的核心知识点复习、典型例题解析及课后习题详解,旨在帮助学生更好地理解和掌握编译原理的相关知识。
第二章 高级语言及其语法描述
6.(1)L(G6)={0,1,2,...,9}+
(2)最左推导:
N=>ND
=>NDD
=>NDDD
=>DDDD
=>0DDD
=>01DD
=>012D
=>0127
N=>ND
=>DD
=>3D
=>34
N=>ND
=>N4
->D4
->34
N => ND =>
N8
-> ND8
-> N68
-> D68
-> 568
最右推导:
N => ND
=> N7
=> ND7
=> N27
=> ND27
=> N127
=> D127
=> 0127
N => ND
=> N4
->D4
->34
N => ND =>
N8
->ND8
->N68
->D68
->568