This is the command yyextract that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
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]>
Use yyextract online using onworks.net services
