2001-05-13 21:49:57 +04:00
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/* $NetBSD: conf_parse.y,v 1.1.1.4 2001/05/13 17:50:15 veego Exp $ */
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2000-06-07 04:52:18 +04:00
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/*
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2001-05-13 21:32:48 +04:00
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* Copyright (c) 1997-2001 Erez Zadok
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2000-06-07 04:52:18 +04:00
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* Copyright (c) 1989 Jan-Simon Pendry
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* Copyright (c) 1989 Imperial College of Science, Technology & Medicine
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* Copyright (c) 1989 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Jan-Simon Pendry at Imperial College, London.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgment:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* %W% (Berkeley) %G%
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*
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2001-05-13 21:49:57 +04:00
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* Id: conf_parse.y,v 1.4.2.1 2001/01/10 03:23:05 ezk Exp
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2000-06-07 04:52:18 +04:00
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*
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*/
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%{
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif /* HAVE_CONFIG_H */
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#include <am_defs.h>
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#include <amd.h>
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/* AIX requires this to be the first thing in the file. */
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#ifndef __GNUC__
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# if HAVE_ALLOCA_H
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# include <alloca.h>
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# else /* not HAVE_ALLOCA_H */
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# ifdef _AIX
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#pragma alloca
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# else /* not _AIX */
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# ifndef alloca
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/* predefined by HP cc +Olibcalls */
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voidp alloca();
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# endif /* not alloca */
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# endif /* not _AIX */
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# endif /* not HAVE_ALLOCA_H */
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#endif /* not __GNUC__ */
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extern char *yytext;
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extern int yylineno;
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extern int yylex(void);
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static int yyerror(const char *s);
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static int retval;
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static char *header_section = NULL; /* start with no header section */
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#define YYDEBUG 1
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#define PARSE_DEBUG 0
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#if PARSE_DEBUG
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# define dprintf(f,s) fprintf(stderr, (f), yylineno, (s))
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# define amu_return(v)
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#else
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# define dprintf(f,s)
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# define amu_return(v) return((v))
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#endif /* PARSE_DEBUG */
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%}
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%union {
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char *strtype;
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}
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%token LEFT_BRACKET RIGHT_BRACKET EQUAL
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%token NEWLINE
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%token <strtype> NONWS_STRING
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%token <strtype> NONWSEQ_STRING
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%token <strtype> QUOTED_NONWSEQ_STRING
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%start file
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%%
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/****************************************************************************/
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file : { yydebug = PARSE_DEBUG; } newlines map_sections
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| { yydebug = PARSE_DEBUG; } map_sections
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;
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newlines : NEWLINE
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| NEWLINE newlines
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;
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map_sections : map_section
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| map_section map_sections
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;
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map_section : sec_header kv_pairs
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;
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sec_header : LEFT_BRACKET NONWS_STRING RIGHT_BRACKET NEWLINE
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{
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if (yydebug)
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fprintf(stderr, "sec_header1 = \"%s\"\n", $2);
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header_section = $2;
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}
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;
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kv_pairs : kv_pair
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| kv_pair kv_pairs
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;
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kv_pair : NONWS_STRING EQUAL NONWS_STRING NEWLINE
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{
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if (yydebug)
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fprintf(stderr,"parse1: key=\"%s\", val=\"%s\"\n", $1, $3);
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retval = set_conf_kv(header_section, $1, $3);
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if (retval != 0) {
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yyerror("syntax error");
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YYABORT;
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}
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}
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| NONWS_STRING EQUAL NONWSEQ_STRING NEWLINE
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{
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if (yydebug)
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fprintf(stderr,"parse2: key=\"%s\", val=\"%s\"\n", $1, $3);
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retval = set_conf_kv(header_section, $1, $3);
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if (retval != 0) {
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yyerror("syntax error");
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YYABORT;
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}
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}
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| NONWS_STRING EQUAL QUOTED_NONWSEQ_STRING NEWLINE
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{
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if (yydebug)
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fprintf(stderr,"parse3: key=\"%s\", val=\"%s\"\n", $1, $3);
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retval = set_conf_kv(header_section, $1, $3);
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if (retval != 0) {
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yyerror("syntax error");
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YYABORT;
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}
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}
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| NEWLINE
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;
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/****************************************************************************/
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%%
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static int
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yyerror(const char *s)
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{
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fprintf(stderr, "AMDCONF: %s on line %d (section %s)\n",
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s, yylineno,
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(header_section ? header_section : "null"));
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exit(1);
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return 1; /* to full compilers that insist on a return statement */
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}
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