| 释义 |
simple precedence grammar
简单优先文法
A context free grammar G, if:(a) G is a proper grammar;(b) there is no empty production in G; (c) there are no two productions with the same right parts in G; (d) there is at most one simple precedence relation between any two symbols in G.
一个上下文无关文法G, 如果(1) G是适当的文法; (2) G是无空产生式; (3) G中无具有相 同右部的两个产生式; (4) G中任意两个符号之间至多存在一种简单优先关系。 |