Abstract
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.
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