Compiler Text Book Jam #1
luyota
介绍
刚刚无聊弄了四个小节的midi
然后复制贴上变二十小节
想说来配个vocal好了
但不知道用什么词 呜呜呜又很无聊
于是我打开Compiler课本
开始念课文...
话说这是第一次念课文
唱起来超级口吃的
白吃XD
歌词
It's possible for recusive-descent parser to loop forever.
A problem arises with "left-recursive" productions like
expr -> expr + term
where the leftmost symbol of the body is the same as the nonterminal at the head of the production.
--
From
Compilers
Principles, Techniques, & Tools
Second Edition P67
Author:
Alfred V. Aho - Columbia University
Monica S. Lam - Stanford University
Ravi Sethi - Avaya
Jeffrey D. Ullman - Stanford University