Graph Parser Combinators

  • Authors:
  • Steffen Mazanek;Mark Minas

  • Affiliations:
  • Universität der Bundeswehr, München, Germany;Universität der Bundeswehr, München, Germany

  • Venue:
  • Implementation and Application of Functional Languages
  • Year:
  • 2008

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Abstract

A graph language can be described by a graph grammar in a manner similar to a string grammar known from the theory of formal languages. Unfortunately, graph parsing is known to be computationally expensive in general. There are quite simple graph languages that crush most general-purpose graph parsers.In this paper we present graph parser combinators, a new approach to graph parsing inspired by the well-known string parser combinators. The basic idea is to define primitive graph parsers for elementary graph components and a set of combinators for the construction of more advanced graph parsers. Using graph parser combinators special-purpose graph parsers can be composed conveniently. Thereby, language-specific performance optimizations can be incorporated in a flexible manner.