1/* 	$NetBSD: config_yacc.y,v 1.6 2020/04/22 23:51:34 joerg Exp $	*/
2
3/*-
4 * Copyright (c) 2007 Juan Romero Pardines.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28%{
29
30#include <sys/cdefs.h>
31#ifndef lint
32__RCSID("$NetBSD: config_yacc.y,v 1.6 2020/04/22 23:51:34 joerg Exp $");
33#endif /* not lint */
34
35#include <stdio.h>
36#include <string.h>
37#include <stdarg.h>
38#include <err.h>
39#include <errno.h>
40#include <stdbool.h>
41#include <stdlib.h>
42
43#include <prop/proplib.h>
44
45#include "envstat.h"
46
47int yylex(void);
48int yyparse(void);
49int yyerror(const char *, ...) __printflike(1, 2);
50void yyrestart(FILE *);
51
52int yyline;
53extern char *yytext;
54static prop_dictionary_t kdict;
55
56%}
57
58%token EOL EQUAL LBRACE RBRACE
59%token STRING NUMBER SENSOR
60%token SENSOR_PROP DEVICE_PROP
61%token <string>	SENSOR STRING SENSOR_PROP DEVICE_PROP
62%union {
63	char *string;
64}
65
66%%
67
68main	:	devices
69     	|			{ exit(EXIT_SUCCESS); }
70     	;
71
72devices	:	device
73	|	devices device
74	;
75
76device	:	STRING LBRACE props RBRACE
77				{ config_devblock_add($1, kdict); }
78	;
79
80props	:	sensor
81	|	props sensor
82	|	devprop
83	|	props devprop
84	;
85
86sensor	:	SENSOR LBRACE params RBRACE
87				{ config_dict_add_prop("index", $1);
88				  config_dict_mark(); }
89	;
90
91params	:	prop
92	|	params prop
93	;
94
95prop	:	SENSOR_PROP EQUAL STRING EOL
96     				{ config_dict_add_prop($1, $3); }
97	;
98
99devprop	:	DEVICE_PROP EQUAL STRING EOL
100				{ config_dict_adddev_prop($1, $3, yyline); }
101	;
102
103
104%%
105
106int
107yyerror(const char *fmt, ...)
108{
109	va_list ap;
110
111	va_start(ap, fmt);
112	fprintf(stderr, "%s: ", getprogname());
113	vfprintf(stderr, fmt, ap);
114	fprintf(stderr, " in line %d\n", yyline);
115	va_end(ap);
116
117	exit(EXIT_FAILURE);
118}
119
120void
121config_parse(FILE *f, prop_dictionary_t d)
122{
123	kdict = prop_dictionary_copy(d);
124	yyrestart(f);
125	yyline = 1;
126	yyparse();
127}
128