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The Computer Journal 1989 32(5):445-452; doi:10.1093/comjnl/32.5.445
© 1989 by British Computer Society
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COMAR: a Data Format for Integration of CFG Tools

V. P. Heuring1, U. Kastens2 *, R. G. Plummer1 and W. M. Waite1

1 Department of Electrical and Computer Engineering, University of Colorado, Boulder, USA, 2 Universitat-GH, Paderborn, Germany

A data format for context-free grammar representation called COMAR is proposed. It is intended to be used for integration and communication of various tools operating on CFGs, e.g. language-invariant grammar transformations, analysis of grammar properties, and parser generation. A compact ASCII file representation for COMAR is defined to be used as an interface language for such tools. Routines necessary for tool development based on COMAR are available: a front end producing COMAR representation from EBNF text, a set of I/O routines, and a set of functions constructing and accessing a Comar data structure in memory.

Received August 1987.

* Universität-GH, Paderborn, FRG.

§ Department of Electrical and Computer Engineering, University of Colorado, Boulder, USA


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