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Created by PLY version 3.11 (http://www.dabeaz.com/ply)
Grammar
Rule 0 S' -> statement
Rule 1 statement -> NAME EQUALS expression
Rule 2 statement -> expression
Rule 3 expression -> expression PLUS expression
Rule 4 expression -> expression MINUS expression
Rule 5 expression -> expression TIMES expression
Rule 6 expression -> expression DIVIDE expression
Rule 7 expression -> MINUS expression
Rule 8 expression -> LPAREN expression RPAREN
Rule 9 expression -> NUMBER
Rule 10 expression -> NAME
Terminals, with rules where they appear
DIVIDE : 6
EQUALS : 1
LPAREN : 8
MINUS : 4 7
NAME : 1 10
NUMBER : 9
PLUS : 3
RPAREN : 8
TIMES : 5
error :
Nonterminals, with rules where they appear
expression : 1 2 3 3 4 4 5 5 6 6 7 8
statement : 0
Parsing method: LALR
state 0
(0) S' -> . statement
(1) statement -> . NAME EQUALS expression
(2) statement -> . expression
(3) expression -> . expression PLUS expression
(4) expression -> . expression MINUS expression
(5) expression -> . expression TIMES expression
(6) expression -> . expression DIVIDE expression
(7) expression -> . MINUS expression
(8) expression -> . LPAREN expression RPAREN
(9) expression -> . NUMBER
(10) expression -> . NAME
NAME shift and go to state 4
MINUS shift and go to state 1
LPAREN shift and go to state 3
NUMBER shift and go to state 2
statement shift and go to state 5
expression shift and go to state 6
state 1
(7) expression -> MINUS . expression
(3) expression -> . expression PLUS expression
(4) expression -> . expression MINUS expression
(5) expression -> . expression TIMES expression
(6) expression -> . expression DIVIDE expression
(7) expression -> . MINUS expression
(8) expression -> . LPAREN expression RPAREN
(9) expression -> . NUMBER
(10) expression -> . NAME
MINUS shift and go to state 1
LPAREN shift and go to state 3
NUMBER shift and go to state 2
NAME shift and go to state 7
expression shift and go to state 8
state 2
(9) expression -> NUMBER .
PLUS reduce using rule 9 (expression -> NUMBER .)
MINUS reduce using rule 9 (expression -> NUMBER .)
TIMES reduce using rule 9 (expression -> NUMBER .)
DIVIDE reduce using rule 9 (expression -> NUMBER .)
$end reduce using rule 9 (expression -> NUMBER .)
RPAREN reduce using rule 9 (expression -> NUMBER .)
state 3
(8) expression -> LPAREN . expression RPAREN
(3) expression -> . expression PLUS expression
(4) expression -> . expression MINUS expression
(5) expression -> . expression TIMES expression
(6) expression -> . expression DIVIDE expression
(7) expression -> . MINUS expression
(8) expression -> . LPAREN expression RPAREN
(9) expression -> . NUMBER
(10) expression -> . NAME
MINUS shift and go to state 1
LPAREN shift and go to state 3
NUMBER shift and go to state 2
NAME shift and go to state 7
expression shift and go to state 9
state 4
(1) statement -> NAME . EQUALS expression
(10) expression -> NAME .
EQUALS shift and go to state 10
PLUS reduce using rule 10 (expression -> NAME .)
MINUS reduce using rule 10 (expression -> NAME .)
TIMES reduce using rule 10 (expression -> NAME .)
DIVIDE reduce using rule 10 (expression -> NAME .)
$end reduce using rule 10 (expression -> NAME .)
state 5
(0) S' -> statement .
state 6
(2) statement -> expression .
(3) expression -> expression . PLUS expression
(4) expression -> expression . MINUS expression
(5) expression -> expression . TIMES expression
(6) expression -> expression . DIVIDE expression
$end reduce using rule 2 (statement -> expression .)
PLUS shift and go to state 11
MINUS shift and go to state 12
TIMES shift and go to state 14
DIVIDE shift and go to state 13
state 7
(10) expression -> NAME .
PLUS reduce using rule 10 (expression -> NAME .)
MINUS reduce using rule 10 (expression -> NAME .)
TIMES reduce using rule 10 (expression -> NAME .)
DIVIDE reduce using rule 10 (expression -> NAME .)
$end reduce using rule 10 (expression -> NAME .)
RPAREN reduce using rule 10 (expression -> NAME .)
state 8
(7) expression -> MINUS expression .
(3) expression -> expression . PLUS expression
(4) expression -> expression . MINUS expression
(5) expression -> expression . TIMES expression
(6) expression -> expression . DIVIDE expression
PLUS reduce using rule 7 (expression -> MINUS expression .)
MINUS reduce using rule 7 (expression -> MINUS expression .)
TIMES reduce using rule 7 (expression -> MINUS expression .)
DIVIDE reduce using rule 7 (expression -> MINUS expression .)
$end reduce using rule 7 (expression -> MINUS expression .)
RPAREN reduce using rule 7 (expression -> MINUS expression .)
! PLUS [ shift and go to state 11 ]
! MINUS [ shift and go to state 12 ]
! TIMES [ shift and go to state 14 ]
! DIVIDE [ shift and go to state 13 ]
state 9
(8) expression -> LPAREN expression . RPAREN
(3) expression -> expression . PLUS expression
(4) expression -> expression . MINUS expression
(5) expression -> expression . TIMES expression
(6) expression -> expression . DIVIDE expression
RPAREN shift and go to state 15
PLUS shift and go to state 11
MINUS shift and go to state 12
TIMES shift and go to state 14
DIVIDE shift and go to state 13
state 10
(1) statement -> NAME EQUALS . expression
(3) expression -> . expression PLUS expression
(4) expression -> . expression MINUS expression
(5) expression -> . expression TIMES expression
(6) expression -> . expression DIVIDE expression
(7) expression -> . MINUS expression
(8) expression -> . LPAREN expression RPAREN
(9) expression -> . NUMBER
(10) expression -> . NAME
MINUS shift and go to state 1
LPAREN shift and go to state 3
NUMBER shift and go to state 2
NAME shift and go to state 7
expression shift and go to state 16
state 11
(3) expression -> expression PLUS . expression
(3) expression -> . expression PLUS expression
(4) expression -> . expression MINUS expression
(5) expression -> . expression TIMES expression
(6) expression -> . expression DIVIDE expression
(7) expression -> . MINUS expression
(8) expression -> . LPAREN expression RPAREN
(9) expression -> . NUMBER
(10) expression -> . NAME
MINUS shift and go to state 1
LPAREN shift and go to state 3
NUMBER shift and go to state 2
NAME shift and go to state 7
expression shift and go to state 17
state 12
(4) expression -> expression MINUS . expression
(3) expression -> . expression PLUS expression
(4) expression -> . expression MINUS expression
(5) expression -> . expression TIMES expression
(6) expression -> . expression DIVIDE expression
(7) expression -> . MINUS expression
(8) expression -> . LPAREN expression RPAREN
(9) expression -> . NUMBER
(10) expression -> . NAME
MINUS shift and go to state 1
LPAREN shift and go to state 3
NUMBER shift and go to state 2
NAME shift and go to state 7
expression shift and go to state 18
state 13
(6) expression -> expression DIVIDE . expression
(3) expression -> . expression PLUS expression
(4) expression -> . expression MINUS expression
(5) expression -> . expression TIMES expression
(6) expression -> . expression DIVIDE expression
(7) expression -> . MINUS expression
(8) expression -> . LPAREN expression RPAREN
(9) expression -> . NUMBER
(10) expression -> . NAME
MINUS shift and go to state 1
LPAREN shift and go to state 3
NUMBER shift and go to state 2
NAME shift and go to state 7
expression shift and go to state 19
state 14
(5) expression -> expression TIMES . expression
(3) expression -> . expression PLUS expression
(4) expression -> . expression MINUS expression
(5) expression -> . expression TIMES expression
(6) expression -> . expression DIVIDE expression
(7) expression -> . MINUS expression
(8) expression -> . LPAREN expression RPAREN
(9) expression -> . NUMBER
(10) expression -> . NAME
MINUS shift and go to state 1
LPAREN shift and go to state 3
NUMBER shift and go to state 2
NAME shift and go to state 7
expression shift and go to state 20
state 15
(8) expression -> LPAREN expression RPAREN .
PLUS reduce using rule 8 (expression -> LPAREN expression RPAREN .)
MINUS reduce using rule 8 (expression -> LPAREN expression RPAREN .)
TIMES reduce using rule 8 (expression -> LPAREN expression RPAREN .)
DIVIDE reduce using rule 8 (expression -> LPAREN expression RPAREN .)
$end reduce using rule 8 (expression -> LPAREN expression RPAREN .)
RPAREN reduce using rule 8 (expression -> LPAREN expression RPAREN .)
state 16
(1) statement -> NAME EQUALS expression .
(3) expression -> expression . PLUS expression
(4) expression -> expression . MINUS expression
(5) expression -> expression . TIMES expression
(6) expression -> expression . DIVIDE expression
$end reduce using rule 1 (statement -> NAME EQUALS expression .)
PLUS shift and go to state 11
MINUS shift and go to state 12
TIMES shift and go to state 14
DIVIDE shift and go to state 13
state 17
(3) expression -> expression PLUS expression .
(3) expression -> expression . PLUS expression
(4) expression -> expression . MINUS expression
(5) expression -> expression . TIMES expression
(6) expression -> expression . DIVIDE expression
PLUS reduce using rule 3 (expression -> expression PLUS expression .)
MINUS reduce using rule 3 (expression -> expression PLUS expression .)
$end reduce using rule 3 (expression -> expression PLUS expression .)
RPAREN reduce using rule 3 (expression -> expression PLUS expression .)
TIMES shift and go to state 14
DIVIDE shift and go to state 13
! TIMES [ reduce using rule 3 (expression -> expression PLUS expression .) ]
! DIVIDE [ reduce using rule 3 (expression -> expression PLUS expression .) ]
! PLUS [ shift and go to state 11 ]
! MINUS [ shift and go to state 12 ]
state 18
(4) expression -> expression MINUS expression .
(3) expression -> expression . PLUS expression
(4) expression -> expression . MINUS expression
(5) expression -> expression . TIMES expression
(6) expression -> expression . DIVIDE expression
PLUS reduce using rule 4 (expression -> expression MINUS expression .)
MINUS reduce using rule 4 (expression -> expression MINUS expression .)
$end reduce using rule 4 (expression -> expression MINUS expression .)
RPAREN reduce using rule 4 (expression -> expression MINUS expression .)
TIMES shift and go to state 14
DIVIDE shift and go to state 13
! TIMES [ reduce using rule 4 (expression -> expression MINUS expression .) ]
! DIVIDE [ reduce using rule 4 (expression -> expression MINUS expression .) ]
! PLUS [ shift and go to state 11 ]
! MINUS [ shift and go to state 12 ]
state 19
(6) expression -> expression DIVIDE expression .
(3) expression -> expression . PLUS expression
(4) expression -> expression . MINUS expression
(5) expression -> expression . TIMES expression
(6) expression -> expression . DIVIDE expression
PLUS reduce using rule 6 (expression -> expression DIVIDE expression .)
MINUS reduce using rule 6 (expression -> expression DIVIDE expression .)
TIMES reduce using rule 6 (expression -> expression DIVIDE expression .)
DIVIDE reduce using rule 6 (expression -> expression DIVIDE expression .)
$end reduce using rule 6 (expression -> expression DIVIDE expression .)
RPAREN reduce using rule 6 (expression -> expression DIVIDE expression .)
! PLUS [ shift and go to state 11 ]
! MINUS [ shift and go to state 12 ]
! TIMES [ shift and go to state 14 ]
! DIVIDE [ shift and go to state 13 ]
state 20
(5) expression -> expression TIMES expression .
(3) expression -> expression . PLUS expression
(4) expression -> expression . MINUS expression
(5) expression -> expression . TIMES expression
(6) expression -> expression . DIVIDE expression
PLUS reduce using rule 5 (expression -> expression TIMES expression .)
MINUS reduce using rule 5 (expression -> expression TIMES expression .)
TIMES reduce using rule 5 (expression -> expression TIMES expression .)
DIVIDE reduce using rule 5 (expression -> expression TIMES expression .)
$end reduce using rule 5 (expression -> expression TIMES expression .)
RPAREN reduce using rule 5 (expression -> expression TIMES expression .)
! PLUS [ shift and go to state 11 ]
! MINUS [ shift and go to state 12 ]
! TIMES [ shift and go to state 14 ]
! DIVIDE [ shift and go to state 13 ]
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