NetBSD/usr.sbin/ndiscvt/inf-parse.y
martin 36c96e27d5 Backout previous and redo it by eliminating a superflous production
instead - this eliminates the reduce/reduce conflict but leaves the
accepted language alone.
2006-04-19 20:38:49 +00:00

116 lines
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%{
/*
* Copyright (c) 2003
* Bill Paul <wpaul@windriver.com>. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifdef __FreeBSD__
__FBSDID("$FreeBSD: src/usr.sbin/ndiscvt/inf-parse.y,v 1.2 2004/01/02 04:31:06 wpaul Exp $");
#endif
#ifdef __NetBSD__
__RCSID("$NetBSD: inf-parse.y,v 1.6 2006/04/19 20:38:49 martin Exp $");
#endif
#include <stdio.h>
#include <sys/types.h>
#include <sys/queue.h>
#include "inf.h"
extern int yyparse(void);
extern int yylex(void);
extern void yyerror(const char *);
%}
%token EQUALS COMMA EOL
%token <str> SECTION
%token <str> STRING
%token <str> WORD
%union {
char *str;
}
%%
inf_file
: inf_list
|
;
inf_list
: inf
| inf_list inf
;
inf
: SECTION EOL
{ section_add($1); }
| WORD EQUALS assign EOL
{ assign_add($1); }
| WORD COMMA regkey EOL
{ regkey_add($1); }
| WORD EOL
{ define_add($1); }
| EOL
;
assign
: WORD
{ push_word($1); }
| STRING
{ push_word($1); }
| WORD COMMA assign
{ push_word($1); }
| STRING COMMA assign
{ push_word($1); }
| COMMA assign
{ push_word(NULL); }
|
;
regkey
: WORD
{ push_word($1); }
| STRING
{ push_word($1); }
| WORD COMMA regkey
{ push_word($1); }
| STRING COMMA regkey
{ push_word($1); }
| COMMA regkey
{ push_word(NULL); }
| COMMA
{ push_word(NULL); }
;
%%