18e8d6d786
one or more actions in the list. This makes constructs like:
attach 10 {
// echo "Driver $device_name attached"
};
to be accepted by the parser. It will be treated as if the user had
entered:
// attach 10 {
// echo "Driver $device_name attached"
// };
(eg totally ignored).
Approved by: re@ (rwatson)
140 lines
3.2 KiB
Plaintext
140 lines
3.2 KiB
Plaintext
%{
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/*-
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* DEVD (Device action daemon)
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*
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* Copyright (c) 2002 M. Warner Losh <imp@freebsd.org>.
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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 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 AUTHOR 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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* $FreeBSD$
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*/
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#include "devd.h"
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#include <stdio.h>
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#include <string.h>
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%}
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%union {
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char *str;
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int i;
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struct eps *eps; /* EventProcStatement */
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struct event_proc *eventproc;
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}
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%token SEMICOLON BEGINBLOCK ENDBLOCK COMMA
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%token <i> NUMBER
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%token <str> STRING
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%token <str> ID
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%token OPTIONS SET DIRECTORY PID_FILE DEVICE_NAME ACTION MATCH
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%token ATTACH DETACH NOMATCH
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%type <eventproc> match_or_action_list
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%type <eps> match_or_action match action
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%%
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config_file
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: config_list
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;
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config_list
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: config
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| config_list config
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;
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config
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: option_block
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| attach_block
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| detach_block
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| nomatch_block
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;
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option_block
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: OPTIONS BEGINBLOCK options ENDBLOCK SEMICOLON
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;
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options
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: option
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| options option
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option
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: directory_option
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| pid_file_option
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| set_option
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;
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directory_option
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: DIRECTORY STRING SEMICOLON { add_directory($2); }
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;
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pid_file_option
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: PID_FILE STRING SEMICOLON { set_pidfile($2); }
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;
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set_option
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: SET ID STRING SEMICOLON { set_variable($2, $3); }
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;
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attach_block
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: ATTACH NUMBER BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON
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{ add_attach($2, $4); }
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| ATTACH NUMBER BEGINBLOCK ENDBLOCK SEMICOLON
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;
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detach_block
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: DETACH NUMBER BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON
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{ add_detach($2, $4); }
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| DETACH NUMBER BEGINBLOCK ENDBLOCK SEMICOLON
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;
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nomatch_block
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: NOMATCH NUMBER BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON
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{ add_nomatch($2, $4); }
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| NOMATCH NUMBER BEGINBLOCK ENDBLOCK SEMICOLON
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;
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match_or_action_list
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: match_or_action { $$ = add_to_event_proc( NULL, $1); }
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| match_or_action_list match_or_action
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{ $$ = add_to_event_proc($1, $2); }
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;
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match_or_action
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: match
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| action
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;
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match
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: MATCH STRING STRING SEMICOLON { $$ = new_match($2, $3); }
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| DEVICE_NAME STRING SEMICOLON
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{ $$ = new_match(strdup("device-name"), $2); }
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;
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action
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: ACTION STRING SEMICOLON { $$ = new_action($2); }
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;
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%%
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