1/*
2 * Copyright (c) 1997-2006 Erez Zadok
3 * Copyright (c) 1989 Jan-Simon Pendry
4 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
5 * Copyright (c) 1989 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Jan-Simon Pendry at Imperial College, London.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgment:
21 *      This product includes software developed by the University of
22 *      California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 *    may be used to endorse or promote products derived from this software
25 *    without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 *
40 * File: am-utils/amd/conf_parse.y
41 *
42 */
43
44%{
45#ifdef HAVE_CONFIG_H
46# include <config.h>
47#endif /* HAVE_CONFIG_H */
48#include <am_defs.h>
49#include <amd.h>
50
51extern char *yytext;
52extern int ayylineno;
53extern int yylex(void);
54
55static int yyerror(const char *s);
56static int retval;
57static char *header_section = NULL; /* start with no header section */
58
59#define YYDEBUG 1
60
61#define PARSE_DEBUG 0
62
63#if PARSE_DEBUG
64# define dprintf(f,s) fprintf(stderr, (f), ayylineno, (s))
65# define amu_return(v)
66#else /* not PARSE_DEBUG */
67# define dprintf(f,s)
68# define amu_return(v) return((v))
69#endif /* not PARSE_DEBUG */
70
71%}
72
73%union {
74char *strtype;
75}
76
77%token LEFT_BRACKET RIGHT_BRACKET EQUAL
78%token NEWLINE
79%token <strtype> NONWS_STRING
80%token <strtype> NONWSEQ_STRING
81%token <strtype> QUOTED_NONWSEQ_STRING
82
83%start file
84%%
85
86/****************************************************************************/
87file		: { yydebug = PARSE_DEBUG; } newlines map_sections
88		| { yydebug = PARSE_DEBUG; } map_sections
89		;
90
91newlines	: NEWLINE
92		| NEWLINE newlines
93		;
94
95map_sections	: map_section
96		| map_section map_sections
97		;
98
99map_section	: sec_header kv_pairs
100		;
101
102sec_header	: LEFT_BRACKET NONWS_STRING RIGHT_BRACKET NEWLINE
103		{
104		  if (yydebug)
105		    fprintf(stderr, "sec_header1 = \"%s\"\n", $2);
106		  header_section = $2;
107		}
108		;
109
110kv_pairs	: kv_pair
111		| kv_pair kv_pairs
112		;
113
114kv_pair		: NONWS_STRING EQUAL NONWS_STRING NEWLINE
115		{
116		  if (yydebug)
117		    fprintf(stderr,"parse1: key=\"%s\", val=\"%s\"\n", $1, $3);
118		  retval = set_conf_kv(header_section, $1, $3);
119		  if (retval != 0) {
120		    yyerror("syntax error");
121		    YYABORT;
122		  }
123		}
124		| NONWS_STRING EQUAL NONWSEQ_STRING NEWLINE
125		{
126		  if (yydebug)
127		    fprintf(stderr,"parse2: key=\"%s\", val=\"%s\"\n", $1, $3);
128		  retval = set_conf_kv(header_section, $1, $3);
129		  if (retval != 0) {
130		    yyerror("syntax error");
131		    YYABORT;
132		  }
133		}
134		| NONWS_STRING EQUAL QUOTED_NONWSEQ_STRING NEWLINE
135		{
136		  if (yydebug)
137		    fprintf(stderr,"parse3: key=\"%s\", val=\"%s\"\n", $1, $3);
138		  retval = set_conf_kv(header_section, $1, $3);
139		  if (retval != 0) {
140		    yyerror("syntax error");
141		    YYABORT;
142		  }
143		}
144		| NEWLINE
145		;
146
147/****************************************************************************/
148%%
149
150static int
151yyerror(const char *s)
152{
153  fprintf(stderr, "AMDCONF: %s on line %d (section %s)\n",
154	  s, ayylineno,
155	  (header_section ? header_section : "null"));
156  exit(1);
157  return 1;	/* to full compilers that insist on a return statement */
158}
159