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 <[email protected]>