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parser.out
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parser.out
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Created by PLY version 3.4 (http://www.dabeaz.com/ply)
Grammar
Rule 0 S' -> statement
Rule 1 statement -> NAME goal subjects ;
Rule 2 goal -> expression ;
Rule 3 goal -> MINUS expression ;
Rule 4 subjects -> subject , subjects
Rule 5 subjects -> subject
Rule 6 subject -> expression EQ value
Rule 7 subject -> expression LT value
Rule 8 subject -> expression GT value
Rule 9 subject -> MINUS expression EQ value
Rule 10 subject -> MINUS expression LT value
Rule 11 subject -> MINUS expression GT value
Rule 12 expression -> expression PLUS expression
Rule 13 expression -> expression MINUS expression
Rule 14 value -> MINUS value
Rule 15 value -> NUMBER
Rule 16 expression -> NUMBER NAME
Rule 17 expression -> NAME
Terminals, with rules where they appear
, : 4
; : 1 2 3
EQ : 6 9
GT : 8 11
LT : 7 10
MINUS : 3 9 10 11 13 14
NAME : 1 16 17
NUMBER : 15 16
PLUS : 12
error :
Nonterminals, with rules where they appear
expression : 2 3 6 7 8 9 10 11 12 12 13 13
goal : 1
statement : 0
subject : 4 5
subjects : 1 4
value : 6 7 8 9 10 11 14
Parsing method: LALR
state 0
(0) S' -> . statement
(1) statement -> . NAME goal subjects ;
NAME shift and go to state 1
statement shift and go to state 2
state 1
(1) statement -> NAME . goal subjects ;
(2) goal -> . expression ;
(3) goal -> . MINUS expression ;
(12) expression -> . expression PLUS expression
(13) expression -> . expression MINUS expression
(16) expression -> . NUMBER NAME
(17) expression -> . NAME
MINUS shift and go to state 6
NUMBER shift and go to state 4
NAME shift and go to state 3
expression shift and go to state 5
goal shift and go to state 7
state 2
(0) S' -> statement .
state 3
(17) expression -> NAME .
; reduce using rule 17 (expression -> NAME .)
PLUS reduce using rule 17 (expression -> NAME .)
MINUS reduce using rule 17 (expression -> NAME .)
EQ reduce using rule 17 (expression -> NAME .)
LT reduce using rule 17 (expression -> NAME .)
GT reduce using rule 17 (expression -> NAME .)
state 4
(16) expression -> NUMBER . NAME
NAME shift and go to state 8
state 5
(2) goal -> expression . ;
(12) expression -> expression . PLUS expression
(13) expression -> expression . MINUS expression
; shift and go to state 10
PLUS shift and go to state 9
MINUS shift and go to state 11
state 6
(3) goal -> MINUS . expression ;
(12) expression -> . expression PLUS expression
(13) expression -> . expression MINUS expression
(16) expression -> . NUMBER NAME
(17) expression -> . NAME
NUMBER shift and go to state 4
NAME shift and go to state 3
expression shift and go to state 12
state 7
(1) statement -> NAME goal . subjects ;
(4) subjects -> . subject , subjects
(5) subjects -> . subject
(6) subject -> . expression EQ value
(7) subject -> . expression LT value
(8) subject -> . expression GT value
(9) subject -> . MINUS expression EQ value
(10) subject -> . MINUS expression LT value
(11) subject -> . MINUS expression GT value
(12) expression -> . expression PLUS expression
(13) expression -> . expression MINUS expression
(16) expression -> . NUMBER NAME
(17) expression -> . NAME
MINUS shift and go to state 15
NUMBER shift and go to state 4
NAME shift and go to state 3
subjects shift and go to state 13
expression shift and go to state 14
subject shift and go to state 16
state 8
(16) expression -> NUMBER NAME .
; reduce using rule 16 (expression -> NUMBER NAME .)
PLUS reduce using rule 16 (expression -> NUMBER NAME .)
MINUS reduce using rule 16 (expression -> NUMBER NAME .)
EQ reduce using rule 16 (expression -> NUMBER NAME .)
LT reduce using rule 16 (expression -> NUMBER NAME .)
GT reduce using rule 16 (expression -> NUMBER NAME .)
state 9
(12) expression -> expression PLUS . expression
(12) expression -> . expression PLUS expression
(13) expression -> . expression MINUS expression
(16) expression -> . NUMBER NAME
(17) expression -> . NAME
NUMBER shift and go to state 4
NAME shift and go to state 3
expression shift and go to state 17
state 10
(2) goal -> expression ; .
MINUS reduce using rule 2 (goal -> expression ; .)
NUMBER reduce using rule 2 (goal -> expression ; .)
NAME reduce using rule 2 (goal -> expression ; .)
state 11
(13) expression -> expression MINUS . expression
(12) expression -> . expression PLUS expression
(13) expression -> . expression MINUS expression
(16) expression -> . NUMBER NAME
(17) expression -> . NAME
NUMBER shift and go to state 4
NAME shift and go to state 3
expression shift and go to state 18
state 12
(3) goal -> MINUS expression . ;
(12) expression -> expression . PLUS expression
(13) expression -> expression . MINUS expression
; shift and go to state 19
PLUS shift and go to state 9
MINUS shift and go to state 11
state 13
(1) statement -> NAME goal subjects . ;
; shift and go to state 20
state 14
(6) subject -> expression . EQ value
(7) subject -> expression . LT value
(8) subject -> expression . GT value
(12) expression -> expression . PLUS expression
(13) expression -> expression . MINUS expression
EQ shift and go to state 23
LT shift and go to state 22
GT shift and go to state 21
PLUS shift and go to state 9
MINUS shift and go to state 11
state 15
(9) subject -> MINUS . expression EQ value
(10) subject -> MINUS . expression LT value
(11) subject -> MINUS . expression GT value
(12) expression -> . expression PLUS expression
(13) expression -> . expression MINUS expression
(16) expression -> . NUMBER NAME
(17) expression -> . NAME
NUMBER shift and go to state 4
NAME shift and go to state 3
expression shift and go to state 24
state 16
(4) subjects -> subject . , subjects
(5) subjects -> subject .
, shift and go to state 25
; reduce using rule 5 (subjects -> subject .)
state 17
(12) expression -> expression PLUS expression .
(12) expression -> expression . PLUS expression
(13) expression -> expression . MINUS expression
; reduce using rule 12 (expression -> expression PLUS expression .)
PLUS reduce using rule 12 (expression -> expression PLUS expression .)
MINUS reduce using rule 12 (expression -> expression PLUS expression .)
EQ reduce using rule 12 (expression -> expression PLUS expression .)
LT reduce using rule 12 (expression -> expression PLUS expression .)
GT reduce using rule 12 (expression -> expression PLUS expression .)
! PLUS [ shift and go to state 9 ]
! MINUS [ shift and go to state 11 ]
state 18
(13) expression -> expression MINUS expression .
(12) expression -> expression . PLUS expression
(13) expression -> expression . MINUS expression
; reduce using rule 13 (expression -> expression MINUS expression .)
PLUS reduce using rule 13 (expression -> expression MINUS expression .)
MINUS reduce using rule 13 (expression -> expression MINUS expression .)
EQ reduce using rule 13 (expression -> expression MINUS expression .)
LT reduce using rule 13 (expression -> expression MINUS expression .)
GT reduce using rule 13 (expression -> expression MINUS expression .)
! PLUS [ shift and go to state 9 ]
! MINUS [ shift and go to state 11 ]
state 19
(3) goal -> MINUS expression ; .
MINUS reduce using rule 3 (goal -> MINUS expression ; .)
NUMBER reduce using rule 3 (goal -> MINUS expression ; .)
NAME reduce using rule 3 (goal -> MINUS expression ; .)
state 20
(1) statement -> NAME goal subjects ; .
$end reduce using rule 1 (statement -> NAME goal subjects ; .)
state 21
(8) subject -> expression GT . value
(14) value -> . MINUS value
(15) value -> . NUMBER
MINUS shift and go to state 26
NUMBER shift and go to state 28
value shift and go to state 27
state 22
(7) subject -> expression LT . value
(14) value -> . MINUS value
(15) value -> . NUMBER
MINUS shift and go to state 26
NUMBER shift and go to state 28
value shift and go to state 29
state 23
(6) subject -> expression EQ . value
(14) value -> . MINUS value
(15) value -> . NUMBER
MINUS shift and go to state 26
NUMBER shift and go to state 28
value shift and go to state 30
state 24
(9) subject -> MINUS expression . EQ value
(10) subject -> MINUS expression . LT value
(11) subject -> MINUS expression . GT value
(12) expression -> expression . PLUS expression
(13) expression -> expression . MINUS expression
EQ shift and go to state 33
LT shift and go to state 32
GT shift and go to state 31
PLUS shift and go to state 9
MINUS shift and go to state 11
state 25
(4) subjects -> subject , . subjects
(4) subjects -> . subject , subjects
(5) subjects -> . subject
(6) subject -> . expression EQ value
(7) subject -> . expression LT value
(8) subject -> . expression GT value
(9) subject -> . MINUS expression EQ value
(10) subject -> . MINUS expression LT value
(11) subject -> . MINUS expression GT value
(12) expression -> . expression PLUS expression
(13) expression -> . expression MINUS expression
(16) expression -> . NUMBER NAME
(17) expression -> . NAME
MINUS shift and go to state 15
NUMBER shift and go to state 4
NAME shift and go to state 3
subjects shift and go to state 34
expression shift and go to state 14
subject shift and go to state 16
state 26
(14) value -> MINUS . value
(14) value -> . MINUS value
(15) value -> . NUMBER
MINUS shift and go to state 26
NUMBER shift and go to state 28
value shift and go to state 35
state 27
(8) subject -> expression GT value .
, reduce using rule 8 (subject -> expression GT value .)
; reduce using rule 8 (subject -> expression GT value .)
state 28
(15) value -> NUMBER .
, reduce using rule 15 (value -> NUMBER .)
; reduce using rule 15 (value -> NUMBER .)
state 29
(7) subject -> expression LT value .
, reduce using rule 7 (subject -> expression LT value .)
; reduce using rule 7 (subject -> expression LT value .)
state 30
(6) subject -> expression EQ value .
, reduce using rule 6 (subject -> expression EQ value .)
; reduce using rule 6 (subject -> expression EQ value .)
state 31
(11) subject -> MINUS expression GT . value
(14) value -> . MINUS value
(15) value -> . NUMBER
MINUS shift and go to state 26
NUMBER shift and go to state 28
value shift and go to state 36
state 32
(10) subject -> MINUS expression LT . value
(14) value -> . MINUS value
(15) value -> . NUMBER
MINUS shift and go to state 26
NUMBER shift and go to state 28
value shift and go to state 37
state 33
(9) subject -> MINUS expression EQ . value
(14) value -> . MINUS value
(15) value -> . NUMBER
MINUS shift and go to state 26
NUMBER shift and go to state 28
value shift and go to state 38
state 34
(4) subjects -> subject , subjects .
; reduce using rule 4 (subjects -> subject , subjects .)
state 35
(14) value -> MINUS value .
, reduce using rule 14 (value -> MINUS value .)
; reduce using rule 14 (value -> MINUS value .)
state 36
(11) subject -> MINUS expression GT value .
, reduce using rule 11 (subject -> MINUS expression GT value .)
; reduce using rule 11 (subject -> MINUS expression GT value .)
state 37
(10) subject -> MINUS expression LT value .
, reduce using rule 10 (subject -> MINUS expression LT value .)
; reduce using rule 10 (subject -> MINUS expression LT value .)
state 38
(9) subject -> MINUS expression EQ value .
, reduce using rule 9 (subject -> MINUS expression EQ value .)
; reduce using rule 9 (subject -> MINUS expression EQ value .)