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Man Pages


Manual Reference Pages  -  YYEXTRACT (1)

NAME

yyextract - extract grammar rules from a yacc grammar

CONTENTS

Synopsis
Description
Notes
Authors

SYNOPSIS

yyextract [-behyV] [-o file] [-t title] [-w cols] []

DESCRIPTION

The yyextract utility extracts the grammar rules from a yacc grammar.

The options are as follows:
-b Select the Backus-Naur Form (BNF) for the output.
-e Select the Extended Backus-Naur Form (EBNF) for the output.
-h Output in HTML format.
-o file
  Set the output destination to file.
-t title
  Specify the page title for the generated HTML page.
-w cols
  Set the width limit of the output (this sets only the width of the %token header).
-y Select the yacc format for the output. This is the default format.
-V Print version information on standard output then exit.

NOTES

The Extended Backus-Naur Form (EBNF) is like the Backus-Naur Form (BNF) but with the empty rules translated with the zero-or-one operator (within the brackets ’[’ and ’]’).

AUTHORS

Sandro Sigala <sandro@sigala.it>
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