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Allow zero or more actions in an action list, rather than requiring

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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)
This commit is contained in:
Warner Losh 2003-05-15 02:23:32 +00:00
parent 7bbf05a2c3
commit 18e8d6d786
1 changed files with 3 additions and 0 deletions
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3
sbin/devd/parse.y
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@ -100,16 +100,19 @@ set_option
attach_block
: ATTACH NUMBER BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON
{ add_attach($2, $4); }
| ATTACH NUMBER BEGINBLOCK ENDBLOCK SEMICOLON
;
detach_block
: DETACH NUMBER BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON
{ add_detach($2, $4); }
| DETACH NUMBER BEGINBLOCK ENDBLOCK SEMICOLON
;
nomatch_block
: NOMATCH NUMBER BEGINBLOCK match_or_action_list ENDBLOCK SEMICOLON
{ add_nomatch($2, $4); }
| NOMATCH NUMBER BEGINBLOCK ENDBLOCK SEMICOLON
;
match_or_action_list