Efficient algorithms for structural similarity of grammars

  • Authors:
  • H. B. Hunt, III;D. J. Rosenkrantz

  • Affiliations:
  • SUNY at Albany, Albany, NY;SUNY at Albany, Albany, NY

  • Venue:
  • POPL '80 Proceedings of the 7th ACM SIGPLAN-SIGACT symposium on Principles of programming languages
  • Year:
  • 1980

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Abstract

Efficient algorithms are presented for several grammar problems relevant to compiler construction. These problems include(i) testing, for a reduced context-free grammar G and an LL(k), uniquely invertible, or BRC(m,n) grammar H, if G is structurally contained by H, and(ii) testing, for a reduced context-free grammar G and a structurally unambiguous grammar H, if G is Reynolds covered by H or if there is an on to homomorphisem from G to H.Related complexity results are presented for several problems for the regular grammars, program schemes, and monadic program schemes.