1 /* $NetBSD: config_yacc.y,v 1.4 2008/07/17 16:24:55 drochner 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 1.4 2008/07/17 16:24:55 drochner 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 47 int yylex(void); 48 int yyparse(void); 49 int yyerror(const char *, ...); 50 void yyrestart(FILE *); 51 52 int yyline; 53 char *yytext; 54 static 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 68 main : devices 69 | { exit(EXIT_SUCCESS); } 70 ; 71 72 devices : device 73 | devices device 74 ; 75 76 device : STRING LBRACE props RBRACE 77 { config_devblock_add($1, kdict); } 78 ; 79 80 props : sensor 81 | props sensor 82 | devprop 83 | props devprop 84 ; 85 86 sensor : SENSOR LBRACE params RBRACE 87 { config_dict_add_prop("index", $1); 88 config_dict_mark(); } 89 ; 90 91 params : prop 92 | params prop 93 ; 94 95 prop : SENSOR_PROP EQUAL STRING EOL 96 { config_dict_add_prop($1, $3); } 97 ; 98 99 devprop : DEVICE_PROP EQUAL STRING EOL 100 { config_dict_adddev_prop($1, $3, yyline); } 101 ; 102 103 104 %% 105 106 int 107 yyerror(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 } 119 120 void 121 config_parse(FILE *f, prop_dictionary_t d) 122 { 123 kdict = prop_dictionary_copy(d); 124 yyrestart(f); 125 yyline = 1; 126 yyparse(); 127 } 128