On predictive parsing and extended context-free grammars

  • Authors:
  • Anne Brüggemann-Klein;Derick Wood

  • Affiliations:
  • Institut für Informatik, Technische Universität München, München, Germany;Department of Computer Science, Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong

  • Venue:
  • CIAA'02 Proceedings of the 7th international conference on Implementation and application of automata
  • Year:
  • 2002

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Abstract

Extended context-free grammars are context-free grammars in which the right-hand sides of productions are allowed to be any regular language rather than being restricted to only finite languages.We present a novel view on top-down predictive parser construction for extended context-free grammars that is based on the rewriting of partial syntax trees. This work is motivated by our development of ecfg, a Java toolkit for the manipulation of extended context-free grammars, and by our continuing investigation of XML.