项目作者: zhilyaev
项目描述 :
Flex & Bison
高级语言: C
项目地址: git://github.com/zhilyaev/Flex-and-Bison.git
Flex-and-Bison
very simple example
The original grammar
<A>::= <B>|<D>
<B>::= <B><C><C>|a
<C>::=ba
<D>::= <C>a<D>|b
<A> - axiom
New grammar
A::=B
A::=D
B::=aZ
Z::=babaZ
Z::=Λ
D::=bX
X::=aaD
X::=Λ