The Intrinsically Exponential Complexity of the Circularity Problem for Attribute Grammars

@article{Jazayeri1975TheIE,
  title={The Intrinsically Exponential Complexity of the Circularity Problem for Attribute Grammars},
  author={Mehdi Jazayeri and William F. Ogden and William C. Rounds},
  journal={Commun. ACM},
  year={1975},
  volume={18},
  pages={697-706}
}
Attribute grammars are an extension of context-free grammars devised by Knuth as a mechanism for including the semantics of a context-free language with the syntax of the language. The circularity problem for a grammar is to determine whether the semantics for all possible sentences (programs) in fact will be well defined. It is proved that this problem is, in general, computationally intractable. Specifically, it is shown that any deterministic algorithm which solves the problem must for… CONTINUE READING

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