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|
# s/r 5, r/r 10
class A
rule
content: RecvH received
;
datetime: day
;
msgid: '<' spec '>';
day:
| ATOM ','
;
received: recvitem_list recvdatetime
;
recvitem_list:
| recvitem_list recvitem
;
recvitem: by | via | with | for ;
by:
| BY domain
;
via:
| VIA ATOM
;
with: WITH ATOM
;
for:
| FOR addr
;
recvdatetime:
| ';' datetime
;
addr: mbox | group ;
mboxes: mbox
| mboxes ',' mbox
;
mbox: spec
| routeaddr
| phrase routeaddr
;
group: phrase ':' mboxes ';'
;
routeaddr: '<' route spec '>'
| '<' spec '>'
;
route: at_domains ':' ;
at_domains: '@' domain
| at_domains ',' '@' domain
;
spec: local '@' domain
| local
;
local: word
| local '.' word
;
domain: domword
| domain '.' domword
;
domword: atom
| DOMLIT
| DIGIT
;
phrase: word
| phrase word
;
word: atom
| QUOTED
| DIGIT
;
atom: ATOM | FROM | BY | VIA | WITH | ID | FOR ;
end
|
