bison

GNU parser generator

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  1. Package version
    bison-3.8.2
  2. Maintainer
    The OpenBSD ports mailing-list

"Bison" is a general-purpose parser generator that converts a grammar
description for an LALR(1) context-free grammar into a C program
to parse that grammar. Once you are proficient with Bison, you may
use it to develop a wide range of language parsers, from those used
in simple desk calculators to complex programming languages.

Bison is upward compatible with Yacc: all properly-written Yacc
grammars ought to work with Bison with no change. Anyone familiar
with Yacc should be able to use Bison with little trouble. You
need to be fluent in C programming in order to use Bison.

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