128 lines
2.9 KiB
Plaintext
128 lines
2.9 KiB
Plaintext
/* $NetBSD: config_yacc.y,v 1.6 2020/04/22 23:51:34 joerg Exp $ */
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/*-
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* Copyright (c) 2007 Juan Romero Pardines.
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* All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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%{
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: config_yacc.y,v 1.6 2020/04/22 23:51:34 joerg Exp $");
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#endif /* not lint */
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include <err.h>
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#include <errno.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <prop/proplib.h>
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#include "envstat.h"
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int yylex(void);
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int yyparse(void);
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int yyerror(const char *, ...) __printflike(1, 2);
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void yyrestart(FILE *);
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int yyline;
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extern char *yytext;
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static prop_dictionary_t kdict;
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%}
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%token EOL EQUAL LBRACE RBRACE
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%token STRING NUMBER SENSOR
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%token SENSOR_PROP DEVICE_PROP
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%token <string> SENSOR STRING SENSOR_PROP DEVICE_PROP
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%union {
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char *string;
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}
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%%
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main : devices
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| { exit(EXIT_SUCCESS); }
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;
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devices : device
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| devices device
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;
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device : STRING LBRACE props RBRACE
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{ config_devblock_add($1, kdict); }
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;
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props : sensor
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| props sensor
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| devprop
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| props devprop
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;
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sensor : SENSOR LBRACE params RBRACE
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{ config_dict_add_prop("index", $1);
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config_dict_mark(); }
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;
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params : prop
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| params prop
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;
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prop : SENSOR_PROP EQUAL STRING EOL
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{ config_dict_add_prop($1, $3); }
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;
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devprop : DEVICE_PROP EQUAL STRING EOL
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{ config_dict_adddev_prop($1, $3, yyline); }
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;
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%%
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int
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yyerror(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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fprintf(stderr, "%s: ", getprogname());
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, " in line %d\n", yyline);
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va_end(ap);
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exit(EXIT_FAILURE);
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}
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void
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config_parse(FILE *f, prop_dictionary_t d)
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{
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kdict = prop_dictionary_copy(d);
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yyrestart(f);
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yyline = 1;
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yyparse();
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}
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