Nonterminals useless in grammar

   trigger


Terminals unused in grammar

   FLOATNUMBER
   STRING
   EOL
   EQUALS
   CHARACTER
   COLON
   COMMA
   SEMICOLON
   MINUS
   TIMESEPERATOR
   TRUE
   FALSE
   FREQ
   BYDAY
   BYHOUR
   BYMINUTE
   BYMONTH
   BYMONTHDAY
   BYSECOND
   BYSETPOS
   BYWEEKNO
   BYYEARDAY
   DAILY
   MINUTELY
   MONTHLY
   SECONDLY
   WEEKLY
   HOURLY
   YEARLY
   INTERVAL
   COUNT
   UNTIL
   WKST
   MO
   SA
   SU
   TU
   WE
   TH
   FR
   BIT8
   ACCEPTED
   ADD
   AUDIO
   BASE64
   BINARY
   BOOLEAN
   BUSY
   BUSYTENTATIVE
   BUSYUNAVAILABLE
   CALADDRESS
   CANCEL
   CANCELLED
   CHAIR
   CHILD
   COMPLETED
   CONFIDENTIAL
   CONFIRMED
   COUNTER
   DATE
   DATETIME
   DECLINECOUNTER
   DECLINED
   DELEGATED
   DISPLAY
   DRAFT
   DURATION
   EMAIL
   END
   FINAL
   FLOAT
   FREE
   GREGORIAN
   GROUP
   INDIVIDUAL
   INPROCESS
   INTEGER
   NEEDSACTION
   NONPARTICIPANT
   OPAQUE
   OPTPARTICIPANT
   PARENT
   PERIOD
   PRIVATE
   PROCEDURE
   PUBLIC
   PUBLISH
   RECUR
   REFRESH
   REPLY
   REQPARTICIPANT
   REQUEST
   RESOURCE
   ROOM
   SIBLING
   START
   TENTATIVE
   TEXT
   THISANDFUTURE
   THISANDPRIOR
   TIME
   TRANSPAENT
   UNKNOWN
   UTCOFFSET
   XNAME
   ALTREP
   CN
   CUTYPE
   DAYLIGHT
   DIR
   ENCODING
   EVENT
   FBTYPE
   FMTTYPE
   LANGUAGE
   MEMBER
   PARTSTAT
   RANGE
   RELATED
   RELTYPE
   ROLE
   RSVP
   SENTBY
   STANDARD
   URI
   CHARSET


Rules useless in grammar

   37 trigger: /* empty */


Grammar

    0 $accept: value $end

    1 value: date_value
    2      | datetime_value
    3      | duration_value
    4      | period_value
    5      | utcoffset_value
    6      | error

    7 date_value: DIGITS

    8 utc_char: /* empty */
    9         | UTC_CHAR

   10 utc_char_b: /* empty */
   11           | UTC_CHAR

   12 datetime_value: DIGITS TIME_CHAR DIGITS utc_char

   13 dur_date: dur_day
   14         | dur_day dur_time

   15 dur_week: DIGITS 'W'

   16 dur_time: TIME_CHAR dur_hour
   17         | TIME_CHAR dur_minute
   18         | TIME_CHAR dur_second

   19 dur_hour: DIGITS 'H'
   20         | DIGITS 'H' dur_minute

   21 dur_minute: DIGITS 'M'
   22           | DIGITS 'M' dur_second

   23 dur_second: DIGITS 'S'

   24 dur_day: DIGITS 'D'

   25 dur_prefix: /* empty */
   26           | '+'
   27           | '-'

   28 duration_value: dur_prefix 'P' dur_date
   29               | dur_prefix 'P' dur_time
   30               | dur_prefix 'P' dur_week

   31 period_value: DIGITS TIME_CHAR DIGITS utc_char '/' DIGITS TIME_CHAR DIGITS utc_char_b
   32             | DIGITS TIME_CHAR DIGITS utc_char '/' duration_value

   33 plusminus: '+'
   34          | '-'

   35 utcoffset_value: plusminus INTNUMBER INTNUMBER
   36                | plusminus INTNUMBER INTNUMBER INTNUMBER


Terminals, with rules where they appear

$end (0) 0
'+' (43) 26 33
'-' (45) 27 34
'/' (47) 31 32
'D' (68) 24
'H' (72) 19 20
'M' (77) 21 22
'P' (80) 28 29 30
'S' (83) 23
'W' (87) 15
error (256) 6
DIGITS (258) 7 12 15 19 20 21 22 23 24 31 32
INTNUMBER (259) 35 36
FLOATNUMBER (260)
STRING (261)
EOL (262)
EQUALS (263)
CHARACTER (264)
COLON (265)
COMMA (266)
SEMICOLON (267)
MINUS (268)
TIMESEPERATOR (269)
TRUE (270)
FALSE (271)
FREQ (272)
BYDAY (273)
BYHOUR (274)
BYMINUTE (275)
BYMONTH (276)
BYMONTHDAY (277)
BYSECOND (278)
BYSETPOS (279)
BYWEEKNO (280)
BYYEARDAY (281)
DAILY (282)
MINUTELY (283)
MONTHLY (284)
SECONDLY (285)
WEEKLY (286)
HOURLY (287)
YEARLY (288)
INTERVAL (289)
COUNT (290)
UNTIL (291)
WKST (292)
MO (293)
SA (294)
SU (295)
TU (296)
WE (297)
TH (298)
FR (299)
BIT8 (300)
ACCEPTED (301)
ADD (302)
AUDIO (303)
BASE64 (304)
BINARY (305)
BOOLEAN (306)
BUSY (307)
BUSYTENTATIVE (308)
BUSYUNAVAILABLE (309)
CALADDRESS (310)
CANCEL (311)
CANCELLED (312)
CHAIR (313)
CHILD (314)
COMPLETED (315)
CONFIDENTIAL (316)
CONFIRMED (317)
COUNTER (318)
DATE (319)
DATETIME (320)
DECLINECOUNTER (321)
DECLINED (322)
DELEGATED (323)
DISPLAY (324)
DRAFT (325)
DURATION (326)
EMAIL (327)
END (328)
FINAL (329)
FLOAT (330)
FREE (331)
GREGORIAN (332)
GROUP (333)
INDIVIDUAL (334)
INPROCESS (335)
INTEGER (336)
NEEDSACTION (337)
NONPARTICIPANT (338)
OPAQUE (339)
OPTPARTICIPANT (340)
PARENT (341)
PERIOD (342)
PRIVATE (343)
PROCEDURE (344)
PUBLIC (345)
PUBLISH (346)
RECUR (347)
REFRESH (348)
REPLY (349)
REQPARTICIPANT (350)
REQUEST (351)
RESOURCE (352)
ROOM (353)
SIBLING (354)
START (355)
TENTATIVE (356)
TEXT (357)
THISANDFUTURE (358)
THISANDPRIOR (359)
TIME (360)
TRANSPAENT (361)
UNKNOWN (362)
UTCOFFSET (363)
XNAME (364)
ALTREP (365)
CN (366)
CUTYPE (367)
DAYLIGHT (368)
DIR (369)
ENCODING (370)
EVENT (371)
FBTYPE (372)
FMTTYPE (373)
LANGUAGE (374)
MEMBER (375)
PARTSTAT (376)
RANGE (377)
RELATED (378)
RELTYPE (379)
ROLE (380)
RSVP (381)
SENTBY (382)
STANDARD (383)
URI (384)
CHARSET (385)
TIME_CHAR (386) 12 16 17 18 31 32
UTC_CHAR (387) 9 11


Nonterminals, with rules where they appear

$accept (142)
    on left: 0
value (143)
    on left: 1 2 3 4 5 6, on right: 0
date_value (144)
    on left: 7, on right: 1
utc_char (145)
    on left: 8 9, on right: 12 31 32
utc_char_b (146)
    on left: 10 11, on right: 31
datetime_value (147)
    on left: 12, on right: 2
dur_date (148)
    on left: 13 14, on right: 28
dur_week (149)
    on left: 15, on right: 30
dur_time (150)
    on left: 16 17 18, on right: 14 29
dur_hour (151)
    on left: 19 20, on right: 16
dur_minute (152)
    on left: 21 22, on right: 17 20
dur_second (153)
    on left: 23, on right: 18 22
dur_day (154)
    on left: 24, on right: 13 14
dur_prefix (155)
    on left: 25 26 27, on right: 28 29 30
duration_value (156)
    on left: 28 29 30, on right: 3 32
period_value (157)
    on left: 31 32, on right: 4
plusminus (158)
    on left: 33 34, on right: 35 36
utcoffset_value (159)
    on left: 35 36, on right: 5


state 0

    0 $accept: . value $end

    error   shift, and go to state 1
    DIGITS  shift, and go to state 2
    '+'     shift, and go to state 3
    '-'     shift, and go to state 4

    'P'  reduce using rule 25 (dur_prefix)

    value            go to state 5
    date_value       go to state 6
    datetime_value   go to state 7
    dur_prefix       go to state 8
    duration_value   go to state 9
    period_value     go to state 10
    plusminus        go to state 11
    utcoffset_value  go to state 12


state 1

    6 value: error .

    $default  reduce using rule 6 (value)


state 2

    7 date_value: DIGITS .
   12 datetime_value: DIGITS . TIME_CHAR DIGITS utc_char
   31 period_value: DIGITS . TIME_CHAR DIGITS utc_char '/' DIGITS TIME_CHAR DIGITS utc_char_b
   32             | DIGITS . TIME_CHAR DIGITS utc_char '/' duration_value

    TIME_CHAR  shift, and go to state 13

    $default  reduce using rule 7 (date_value)


state 3

   26 dur_prefix: '+' .
   33 plusminus: '+' .

    INTNUMBER  reduce using rule 33 (plusminus)
    $default   reduce using rule 26 (dur_prefix)


state 4

   27 dur_prefix: '-' .
   34 plusminus: '-' .

    INTNUMBER  reduce using rule 34 (plusminus)
    $default   reduce using rule 27 (dur_prefix)


state 5

    0 $accept: value . $end

    $end  shift, and go to state 14


state 6

    1 value: date_value .

    $default  reduce using rule 1 (value)


state 7

    2 value: datetime_value .

    $default  reduce using rule 2 (value)


state 8

   28 duration_value: dur_prefix . 'P' dur_date
   29               | dur_prefix . 'P' dur_time
   30               | dur_prefix . 'P' dur_week

    'P'  shift, and go to state 15


state 9

    3 value: duration_value .

    $default  reduce using rule 3 (value)


state 10

    4 value: period_value .

    $default  reduce using rule 4 (value)


state 11

   35 utcoffset_value: plusminus . INTNUMBER INTNUMBER
   36                | plusminus . INTNUMBER INTNUMBER INTNUMBER

    INTNUMBER  shift, and go to state 16


state 12

    5 value: utcoffset_value .

    $default  reduce using rule 5 (value)


state 13

   12 datetime_value: DIGITS TIME_CHAR . DIGITS utc_char
   31 period_value: DIGITS TIME_CHAR . DIGITS utc_char '/' DIGITS TIME_CHAR DIGITS utc_char_b
   32             | DIGITS TIME_CHAR . DIGITS utc_char '/' duration_value

    DIGITS  shift, and go to state 17


state 14

    0 $accept: value $end .

    $default  accept


state 15

   28 duration_value: dur_prefix 'P' . dur_date
   29               | dur_prefix 'P' . dur_time
   30               | dur_prefix 'P' . dur_week

    DIGITS     shift, and go to state 18
    TIME_CHAR  shift, and go to state 19

    dur_date  go to state 20
    dur_week  go to state 21
    dur_time  go to state 22
    dur_day   go to state 23


state 16

   35 utcoffset_value: plusminus INTNUMBER . INTNUMBER
   36                | plusminus INTNUMBER . INTNUMBER INTNUMBER

    INTNUMBER  shift, and go to state 24


state 17

   12 datetime_value: DIGITS TIME_CHAR DIGITS . utc_char
   31 period_value: DIGITS TIME_CHAR DIGITS . utc_char '/' DIGITS TIME_CHAR DIGITS utc_char_b
   32             | DIGITS TIME_CHAR DIGITS . utc_char '/' duration_value

    UTC_CHAR  shift, and go to state 25

    $default  reduce using rule 8 (utc_char)

    utc_char  go to state 26


state 18

   15 dur_week: DIGITS . 'W'
   24 dur_day: DIGITS . 'D'

    'W'  shift, and go to state 27
    'D'  shift, and go to state 28


state 19

   16 dur_time: TIME_CHAR . dur_hour
   17         | TIME_CHAR . dur_minute
   18         | TIME_CHAR . dur_second

    DIGITS  shift, and go to state 29

    dur_hour    go to state 30
    dur_minute  go to state 31
    dur_second  go to state 32


state 20

   28 duration_value: dur_prefix 'P' dur_date .

    $default  reduce using rule 28 (duration_value)


state 21

   30 duration_value: dur_prefix 'P' dur_week .

    $default  reduce using rule 30 (duration_value)


state 22

   29 duration_value: dur_prefix 'P' dur_time .

    $default  reduce using rule 29 (duration_value)


state 23

   13 dur_date: dur_day .
   14         | dur_day . dur_time

    TIME_CHAR  shift, and go to state 19

    $default  reduce using rule 13 (dur_date)

    dur_time  go to state 33


state 24

   35 utcoffset_value: plusminus INTNUMBER INTNUMBER .
   36                | plusminus INTNUMBER INTNUMBER . INTNUMBER

    INTNUMBER  shift, and go to state 34

    $default  reduce using rule 35 (utcoffset_value)


state 25

    9 utc_char: UTC_CHAR .

    $default  reduce using rule 9 (utc_char)


state 26

   12 datetime_value: DIGITS TIME_CHAR DIGITS utc_char .
   31 period_value: DIGITS TIME_CHAR DIGITS utc_char . '/' DIGITS TIME_CHAR DIGITS utc_char_b
   32             | DIGITS TIME_CHAR DIGITS utc_char . '/' duration_value

    '/'  shift, and go to state 35

    $default  reduce using rule 12 (datetime_value)


state 27

   15 dur_week: DIGITS 'W' .

    $default  reduce using rule 15 (dur_week)


state 28

   24 dur_day: DIGITS 'D' .

    $default  reduce using rule 24 (dur_day)


state 29

   19 dur_hour: DIGITS . 'H'
   20         | DIGITS . 'H' dur_minute
   21 dur_minute: DIGITS . 'M'
   22           | DIGITS . 'M' dur_second
   23 dur_second: DIGITS . 'S'

    'H'  shift, and go to state 36
    'M'  shift, and go to state 37
    'S'  shift, and go to state 38


state 30

   16 dur_time: TIME_CHAR dur_hour .

    $default  reduce using rule 16 (dur_time)


state 31

   17 dur_time: TIME_CHAR dur_minute .

    $default  reduce using rule 17 (dur_time)


state 32

   18 dur_time: TIME_CHAR dur_second .

    $default  reduce using rule 18 (dur_time)


state 33

   14 dur_date: dur_day dur_time .

    $default  reduce using rule 14 (dur_date)


state 34

   36 utcoffset_value: plusminus INTNUMBER INTNUMBER INTNUMBER .

    $default  reduce using rule 36 (utcoffset_value)


state 35

   31 period_value: DIGITS TIME_CHAR DIGITS utc_char '/' . DIGITS TIME_CHAR DIGITS utc_char_b
   32             | DIGITS TIME_CHAR DIGITS utc_char '/' . duration_value

    DIGITS  shift, and go to state 39
    '+'     shift, and go to state 40
    '-'     shift, and go to state 41

    $default  reduce using rule 25 (dur_prefix)

    dur_prefix      go to state 8
    duration_value  go to state 42


state 36

   19 dur_hour: DIGITS 'H' .
   20         | DIGITS 'H' . dur_minute

    DIGITS  shift, and go to state 43

    $default  reduce using rule 19 (dur_hour)

    dur_minute  go to state 44


state 37

   21 dur_minute: DIGITS 'M' .
   22           | DIGITS 'M' . dur_second

    DIGITS  shift, and go to state 45

    $default  reduce using rule 21 (dur_minute)

    dur_second  go to state 46


state 38

   23 dur_second: DIGITS 'S' .

    $default  reduce using rule 23 (dur_second)


state 39

   31 period_value: DIGITS TIME_CHAR DIGITS utc_char '/' DIGITS . TIME_CHAR DIGITS utc_char_b

    TIME_CHAR  shift, and go to state 47


state 40

   26 dur_prefix: '+' .

    $default  reduce using rule 26 (dur_prefix)


state 41

   27 dur_prefix: '-' .

    $default  reduce using rule 27 (dur_prefix)


state 42

   32 period_value: DIGITS TIME_CHAR DIGITS utc_char '/' duration_value .

    $default  reduce using rule 32 (period_value)


state 43

   21 dur_minute: DIGITS . 'M'
   22           | DIGITS . 'M' dur_second

    'M'  shift, and go to state 37


state 44

   20 dur_hour: DIGITS 'H' dur_minute .

    $default  reduce using rule 20 (dur_hour)


state 45

   23 dur_second: DIGITS . 'S'

    'S'  shift, and go to state 38


state 46

   22 dur_minute: DIGITS 'M' dur_second .

    $default  reduce using rule 22 (dur_minute)


state 47

   31 period_value: DIGITS TIME_CHAR DIGITS utc_char '/' DIGITS TIME_CHAR . DIGITS utc_char_b

    DIGITS  shift, and go to state 48


state 48

   31 period_value: DIGITS TIME_CHAR DIGITS utc_char '/' DIGITS TIME_CHAR DIGITS . utc_char_b

    UTC_CHAR  shift, and go to state 49

    $default  reduce using rule 10 (utc_char_b)

    utc_char_b  go to state 50


state 49

   11 utc_char_b: UTC_CHAR .

    $default  reduce using rule 11 (utc_char_b)


state 50

   31 period_value: DIGITS TIME_CHAR DIGITS utc_char '/' DIGITS TIME_CHAR DIGITS utc_char_b .

    $default  reduce using rule 31 (period_value)