Ordered Context-Free Grammars Revisited

被引：0
|
作者：
van der Merwe, Brink [1 ]
机构：
[1] Stellenbosch Univ, Dept Comp Sci, Stellenbosch, South Africa
来源：
ELECTRONIC PROCEEDINGS IN THEORETICAL COMPUTER SCIENCE | 2023年 / 388卷
关键词：
Ordered context-free grammars; Unambiguous grammar formalisms; Shared packed parse forests; EXPRESSION; POWER;
D O I：
10.4204/EPTCS.388.13
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
We continue our study of ordered context-free grammars, a grammar formalism that places an order on the parse trees produced by the corresponding context-free grammar. In particular, we simplify our previous definition of a derivation of a string for a given ordered context-free grammar, and present a parsing algorithm, using shared packed parse forests, with time complexity O(n(4)), where n is the length of the input string being parsed.
引用
收藏
页码：140 / 153
页数：14
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