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CS 456 - Systems Programming
Spring 2024
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Displaying ./code/apr11/y.output
Grammar
0 $accept: commands $end
1 commands: ε
2 | commands command
3 command: heat_switch
4 | target_set
5 | heater_select
6 heat_switch: TOKHEAT STATE
7 target_set: TOKTARGET TOKTEMPERATURE NUMBER
8 heater_select: TOKHEATER WORD
Terminals, with rules where they appear
$end (0) 0
error (256)
TOKHEATER (258) 8
TOKHEAT (259) 6
TOKTARGET (260) 7
TOKTEMPERATURE (261) 7
STATE <number> (262) 6
NUMBER <number> (263) 7
WORD <string> (264) 8
Nonterminals, with rules where they appear
$accept (10)
on left: 0
commands (11)
on left: 1 2
on right: 0 2
command (12)
on left: 3 4 5
on right: 2
heat_switch (13)
on left: 6
on right: 3
target_set (14)
on left: 7
on right: 4
heater_select (15)
on left: 8
on right: 5
State 0
0 $accept: • commands $end
$default reduce using rule 1 (commands)
commands go to state 1
State 1
0 $accept: commands • $end
2 commands: commands • command
$end shift, and go to state 2
TOKHEATER shift, and go to state 3
TOKHEAT shift, and go to state 4
TOKTARGET shift, and go to state 5
command go to state 6
heat_switch go to state 7
target_set go to state 8
heater_select go to state 9
State 2
0 $accept: commands $end •
$default accept
State 3
8 heater_select: TOKHEATER • WORD
WORD shift, and go to state 10
State 4
6 heat_switch: TOKHEAT • STATE
STATE shift, and go to state 11
State 5
7 target_set: TOKTARGET • TOKTEMPERATURE NUMBER
TOKTEMPERATURE shift, and go to state 12
State 6
2 commands: commands command •
$default reduce using rule 2 (commands)
State 7
3 command: heat_switch •
$default reduce using rule 3 (command)
State 8
4 command: target_set •
$default reduce using rule 4 (command)
State 9
5 command: heater_select •
$default reduce using rule 5 (command)
State 10
8 heater_select: TOKHEATER WORD •
$default reduce using rule 8 (heater_select)
State 11
6 heat_switch: TOKHEAT STATE •
$default reduce using rule 6 (heat_switch)
State 12
7 target_set: TOKTARGET TOKTEMPERATURE • NUMBER
NUMBER shift, and go to state 13
State 13
7 target_set: TOKTARGET TOKTEMPERATURE NUMBER •
$default reduce using rule 7 (target_set)
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