Relaxed Parsing of Regular Approximations of String-Embedded Languages

  • Ekaterina VerbitskaiaEmail author
  • Semyon Grigorev
  • Dmitry Avdyukhin
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9609)


We present a technique for syntax analysis of a regular set of input strings. This problem is relevant for the analysis of string-embedded languages when a host program generates clauses of embedded language at run time. Our technique is based on a generalization of RNGLR algorithm, which, inherently, allows us to construct a finite representation of parse forest for regularly approximated set of input strings. This representation can be further utilized for semantic analysis and transformations in the context of reengineering, code maintenance, program understanding etc. The approach in question implements relaxed parsing: non-recognized strings in approximation set are ignored with no error detection.


String-embedded languages String analysis Parsing Parser generator RNGLR 



We thank Dmitri Boulytchev for the scientific guidance and the feedback on this work.


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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  • Ekaterina Verbitskaia
    • 1
    Email author
  • Semyon Grigorev
    • 1
  • Dmitry Avdyukhin
    • 1
  1. 1.Saint Petersburg State UniversitySaint PetersburgRussia

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