NAME¶
yyextract —
extract grammar rules from
a yacc grammar
SYNOPSIS¶
yyextract |
[-behyV]
[-o file]
[-t title]
[-w cols]
[file ...] |
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>