On comparingLL(k) andLR(k) grammars

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 1979 English Publisher:Springer Science and Business Media LLCJournal:Mathematical Systems Theory, volume 13, pages 323-329 (issn: 0025-5661, eissn: 1433-0490,

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Authors: Eljas Soisalon-Soininen;

doi: 10.1007/bf01744303

On comparingLL(k) andLR(k) grammars

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Abstract

A new and rigorous proof of the well-known fact thatLL(k) grammars areLR(k) grammars is provided. The proof is elementary in the sense that it is directly based on relations defining leftmost and rightmost derivations and no additional formalism is needed.

Related Organizations

University of Helsinki
Finland

Keywords

LR(k) grammars, Formal languages and automata, Theory of compilers and interpreters, leftmost derivations, rightmost derivations, LL(k) grammars

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