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Grammar
0 $accept: Start $end
1 Start: M
2 M: S ';'
3 | M S ';'
4 | CONTROL ';'
5 | CONDITION ';'
6 | M CONDITION ';'
7 | PRINTER
8 PRINTER: DISPLAY E ';'
9 | M DISPLAY E ';'
10 S: FLOAT VARNAME '=' E
11 | VARNAME '=' E
12 CONTROL: IF '(' CONDITION ')' THENSTMT
13 | IF '(' CONDITION ')' THENSTMT ELSE OTHERSTMT
14 THENSTMT: '{' RETURN E ';' '}'
15 | '{' CONTROL '}'
16 OTHERSTMT: '{' RETURN E ';' '}'
17 CONDITION: CONDITION OR CONDITION
18 | CONDITION AND CONDITION
19 | NOT CONDITION
20 | G
21 G: G '<' G
22 | G '>' G
23 | G GTE G
24 | G LTE G
25 | G NET G
26 | G EQ G
27 | E
28 E: E '+' F
29 | E '-' F
30 | F
31 F: F '*' D
32 | F '/' D
33 | D
34 D: '(' CONDITION ')'
35 | '-' D
36 | L
37 L: FNUM
38 | VARNAME
Terminals, with rules where they appear
$end (0) 0
'(' (40) 12 13 34
')' (41) 12 13 34
'*' (42) 31
'+' (43) 28
'-' (45) 29 35
'/' (47) 32
';' (59) 2 3 4 5 6 8 9 14 16
'<' (60) 21
'=' (61) 10 11
'>' (62) 22
'{' (123) 14 15 16
'}' (125) 14 15 16
error (256)
FLOAT (258) 10
VARNAME (259) 10 11 38
FNUM (260) 37
LTE (261) 24
GTE (262) 23
EQ (263) 26
NOT (264) 19
NET (265) 25
AND (266) 18
OR (267) 17
IF (268) 12 13
DISPLAY (269) 8 9
RETURN (270) 14 16
ELSE (271) 13
Nonterminals, with rules where they appear
$accept (29)
on left: 0
Start (30)
on left: 1, on right: 0
M (31)
on left: 2 3 4 5 6 7, on right: 1 3 6 9
PRINTER (32)
on left: 8 9, on right: 7
S (33)
on left: 10 11, on right: 2 3
CONTROL (34)
on left: 12 13, on right: 4 15
THENSTMT (35)
on left: 14 15, on right: 12 13
OTHERSTMT (36)
on left: 16, on right: 13
CONDITION (37)
on left: 17 18 19 20, on right: 5 6 12 13 17 18 19 34
G (38)
on left: 21 22 23 24 25 26 27, on right: 20 21 22 23 24 25 26
E (39)
on left: 28 29 30, on right: 8 9 10 11 14 16 27 28 29
F (40)
on left: 31 32 33, on right: 28 29 30 31 32
D (41)
on left: 34 35 36, on right: 31 32 33 35
L (42)
on left: 37 38, on right: 36
State 0
0 $accept: . Start $end
FLOAT shift, and go to state 1
VARNAME shift, and go to state 2
FNUM shift, and go to state 3
NOT shift, and go to state 4
IF shift, and go to state 5
DISPLAY shift, and go to state 6
'-' shift, and go to state 7
'(' shift, and go to state 8
Start go to state 9
M go to state 10
PRINTER go to state 11
S go to state 12
CONTROL go to state 13
CONDITION go to state 14
G go to state 15
E go to state 16
F go to state 17
D go to state 18
L go to state 19
State 1
10 S: FLOAT . VARNAME '=' E
VARNAME shift, and go to state 20
State 2
11 S: VARNAME . '=' E
38 L: VARNAME .
'=' shift, and go to state 21
$default reduce using rule 38 (L)
State 3
37 L: FNUM .
$default reduce using rule 37 (L)
State 4
19 CONDITION: NOT . CONDITION
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
NOT shift, and go to state 4
'-' shift, and go to state 7
'(' shift, and go to state 8
CONDITION go to state 23
G go to state 15
E go to state 16
F go to state 17
D go to state 18
L go to state 19
State 5
12 CONTROL: IF . '(' CONDITION ')' THENSTMT
13 | IF . '(' CONDITION ')' THENSTMT ELSE OTHERSTMT
'(' shift, and go to state 24
State 6
8 PRINTER: DISPLAY . E ';'
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
'-' shift, and go to state 7
'(' shift, and go to state 8
E go to state 25
F go to state 17
D go to state 18
L go to state 19
State 7
35 D: '-' . D
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
'-' shift, and go to state 7
'(' shift, and go to state 8
D go to state 26
L go to state 19
State 8
34 D: '(' . CONDITION ')'
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
NOT shift, and go to state 4
'-' shift, and go to state 7
'(' shift, and go to state 8
CONDITION go to state 27
G go to state 15
E go to state 16
F go to state 17
D go to state 18
L go to state 19
State 9
0 $accept: Start . $end
$end shift, and go to state 28
State 10
1 Start: M .
3 M: M . S ';'
6 | M . CONDITION ';'
9 PRINTER: M . DISPLAY E ';'
FLOAT shift, and go to state 1
VARNAME shift, and go to state 2
FNUM shift, and go to state 3
NOT shift, and go to state 4
DISPLAY shift, and go to state 29
'-' shift, and go to state 7
'(' shift, and go to state 8
$default reduce using rule 1 (Start)
S go to state 30
CONDITION go to state 31
G go to state 15
E go to state 16
F go to state 17
D go to state 18
L go to state 19
State 11
7 M: PRINTER .
$default reduce using rule 7 (M)
State 12
2 M: S . ';'
';' shift, and go to state 32
State 13
4 M: CONTROL . ';'
';' shift, and go to state 33
State 14
5 M: CONDITION . ';'
17 CONDITION: CONDITION . OR CONDITION
18 | CONDITION . AND CONDITION
AND shift, and go to state 34
OR shift, and go to state 35
';' shift, and go to state 36
State 15
20 CONDITION: G .
21 G: G . '<' G
22 | G . '>' G
23 | G . GTE G
24 | G . LTE G
25 | G . NET G
26 | G . EQ G
'<' shift, and go to state 37
'>' shift, and go to state 38
LTE shift, and go to state 39
GTE shift, and go to state 40
EQ shift, and go to state 41
NET shift, and go to state 42
$default reduce using rule 20 (CONDITION)
State 16
27 G: E .
28 E: E . '+' F
29 | E . '-' F
'+' shift, and go to state 43
'-' shift, and go to state 44
$default reduce using rule 27 (G)
State 17
30 E: F .
31 F: F . '*' D
32 | F . '/' D
'*' shift, and go to state 45
'/' shift, and go to state 46
$default reduce using rule 30 (E)
State 18
33 F: D .
$default reduce using rule 33 (F)
State 19
36 D: L .
$default reduce using rule 36 (D)
State 20
10 S: FLOAT VARNAME . '=' E
'=' shift, and go to state 47
State 21
11 S: VARNAME '=' . E
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
'-' shift, and go to state 7
'(' shift, and go to state 8
E go to state 48
F go to state 17
D go to state 18
L go to state 19
State 22
38 L: VARNAME .
$default reduce using rule 38 (L)
State 23
17 CONDITION: CONDITION . OR CONDITION
18 | CONDITION . AND CONDITION
19 | NOT CONDITION .
$default reduce using rule 19 (CONDITION)
State 24
12 CONTROL: IF '(' . CONDITION ')' THENSTMT
13 | IF '(' . CONDITION ')' THENSTMT ELSE OTHERSTMT
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
NOT shift, and go to state 4
'-' shift, and go to state 7
'(' shift, and go to state 8
CONDITION go to state 49
G go to state 15
E go to state 16
F go to state 17
D go to state 18
L go to state 19
State 25
8 PRINTER: DISPLAY E . ';'
28 E: E . '+' F
29 | E . '-' F
'+' shift, and go to state 43
'-' shift, and go to state 44
';' shift, and go to state 50
State 26
35 D: '-' D .
$default reduce using rule 35 (D)
State 27
17 CONDITION: CONDITION . OR CONDITION
18 | CONDITION . AND CONDITION
34 D: '(' CONDITION . ')'
AND shift, and go to state 34
OR shift, and go to state 35
')' shift, and go to state 51
State 28
0 $accept: Start $end .
$default accept
State 29
9 PRINTER: M DISPLAY . E ';'
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
'-' shift, and go to state 7
'(' shift, and go to state 8
E go to state 52
F go to state 17
D go to state 18
L go to state 19
State 30
3 M: M S . ';'
';' shift, and go to state 53
State 31
6 M: M CONDITION . ';'
17 CONDITION: CONDITION . OR CONDITION
18 | CONDITION . AND CONDITION
AND shift, and go to state 34
OR shift, and go to state 35
';' shift, and go to state 54
State 32
2 M: S ';' .
$default reduce using rule 2 (M)
State 33
4 M: CONTROL ';' .
$default reduce using rule 4 (M)
State 34
18 CONDITION: CONDITION AND . CONDITION
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
NOT shift, and go to state 4
'-' shift, and go to state 7
'(' shift, and go to state 8
CONDITION go to state 55
G go to state 15
E go to state 16
F go to state 17
D go to state 18
L go to state 19
State 35
17 CONDITION: CONDITION OR . CONDITION
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
NOT shift, and go to state 4
'-' shift, and go to state 7
'(' shift, and go to state 8
CONDITION go to state 56
G go to state 15
E go to state 16
F go to state 17
D go to state 18
L go to state 19
State 36
5 M: CONDITION ';' .
$default reduce using rule 5 (M)
State 37
21 G: G '<' . G
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
'-' shift, and go to state 7
'(' shift, and go to state 8
G go to state 57
E go to state 16
F go to state 17
D go to state 18
L go to state 19
State 38
22 G: G '>' . G
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
'-' shift, and go to state 7
'(' shift, and go to state 8
G go to state 58
E go to state 16
F go to state 17
D go to state 18
L go to state 19
State 39
24 G: G LTE . G
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
'-' shift, and go to state 7
'(' shift, and go to state 8
G go to state 59
E go to state 16
F go to state 17
D go to state 18
L go to state 19
State 40
23 G: G GTE . G
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
'-' shift, and go to state 7
'(' shift, and go to state 8
G go to state 60
E go to state 16
F go to state 17
D go to state 18
L go to state 19
State 41
26 G: G EQ . G
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
'-' shift, and go to state 7
'(' shift, and go to state 8
G go to state 61
E go to state 16
F go to state 17
D go to state 18
L go to state 19
State 42
25 G: G NET . G
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
'-' shift, and go to state 7
'(' shift, and go to state 8
G go to state 62
E go to state 16
F go to state 17
D go to state 18
L go to state 19
State 43
28 E: E '+' . F
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
'-' shift, and go to state 7
'(' shift, and go to state 8
F go to state 63
D go to state 18
L go to state 19
State 44
29 E: E '-' . F
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
'-' shift, and go to state 7
'(' shift, and go to state 8
F go to state 64
D go to state 18
L go to state 19
State 45
31 F: F '*' . D
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
'-' shift, and go to state 7
'(' shift, and go to state 8
D go to state 65
L go to state 19
State 46
32 F: F '/' . D
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
'-' shift, and go to state 7
'(' shift, and go to state 8
D go to state 66
L go to state 19
State 47
10 S: FLOAT VARNAME '=' . E
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
'-' shift, and go to state 7
'(' shift, and go to state 8
E go to state 67
F go to state 17
D go to state 18
L go to state 19
State 48
11 S: VARNAME '=' E .
28 E: E . '+' F
29 | E . '-' F
'+' shift, and go to state 43
'-' shift, and go to state 44
$default reduce using rule 11 (S)
State 49
12 CONTROL: IF '(' CONDITION . ')' THENSTMT
13 | IF '(' CONDITION . ')' THENSTMT ELSE OTHERSTMT
17 CONDITION: CONDITION . OR CONDITION
18 | CONDITION . AND CONDITION
AND shift, and go to state 34
OR shift, and go to state 35
')' shift, and go to state 68
State 50
8 PRINTER: DISPLAY E ';' .
$default reduce using rule 8 (PRINTER)
State 51
34 D: '(' CONDITION ')' .
$default reduce using rule 34 (D)
State 52
9 PRINTER: M DISPLAY E . ';'
28 E: E . '+' F
29 | E . '-' F
'+' shift, and go to state 43
'-' shift, and go to state 44
';' shift, and go to state 69
State 53
3 M: M S ';' .
$default reduce using rule 3 (M)
State 54
6 M: M CONDITION ';' .
$default reduce using rule 6 (M)
State 55
17 CONDITION: CONDITION . OR CONDITION
18 | CONDITION . AND CONDITION
18 | CONDITION AND CONDITION .
$default reduce using rule 18 (CONDITION)
State 56
17 CONDITION: CONDITION . OR CONDITION
17 | CONDITION OR CONDITION .
18 | CONDITION . AND CONDITION
AND shift, and go to state 34
$default reduce using rule 17 (CONDITION)
State 57
21 G: G . '<' G
21 | G '<' G .
22 | G . '>' G
23 | G . GTE G
24 | G . LTE G
25 | G . NET G
26 | G . EQ G
$default reduce using rule 21 (G)
State 58
21 G: G . '<' G
22 | G . '>' G
22 | G '>' G .
23 | G . GTE G
24 | G . LTE G
25 | G . NET G
26 | G . EQ G
$default reduce using rule 22 (G)
State 59
21 G: G . '<' G
22 | G . '>' G
23 | G . GTE G
24 | G . LTE G
24 | G LTE G .
25 | G . NET G
26 | G . EQ G
$default reduce using rule 24 (G)
State 60
21 G: G . '<' G
22 | G . '>' G
23 | G . GTE G
23 | G GTE G .
24 | G . LTE G
25 | G . NET G
26 | G . EQ G
$default reduce using rule 23 (G)
State 61
21 G: G . '<' G
22 | G . '>' G
23 | G . GTE G
24 | G . LTE G
25 | G . NET G
26 | G . EQ G
26 | G EQ G .
$default reduce using rule 26 (G)
State 62
21 G: G . '<' G
22 | G . '>' G
23 | G . GTE G
24 | G . LTE G
25 | G . NET G
25 | G NET G .
26 | G . EQ G
$default reduce using rule 25 (G)
State 63
28 E: E '+' F .
31 F: F . '*' D
32 | F . '/' D
'*' shift, and go to state 45
'/' shift, and go to state 46
$default reduce using rule 28 (E)
State 64
29 E: E '-' F .
31 F: F . '*' D
32 | F . '/' D
'*' shift, and go to state 45
'/' shift, and go to state 46
$default reduce using rule 29 (E)
State 65
31 F: F '*' D .
$default reduce using rule 31 (F)
State 66
32 F: F '/' D .
$default reduce using rule 32 (F)
State 67
10 S: FLOAT VARNAME '=' E .
28 E: E . '+' F
29 | E . '-' F
'+' shift, and go to state 43
'-' shift, and go to state 44
$default reduce using rule 10 (S)
State 68
12 CONTROL: IF '(' CONDITION ')' . THENSTMT
13 | IF '(' CONDITION ')' . THENSTMT ELSE OTHERSTMT
'{' shift, and go to state 70
THENSTMT go to state 71
State 69
9 PRINTER: M DISPLAY E ';' .
$default reduce using rule 9 (PRINTER)
State 70
14 THENSTMT: '{' . RETURN E ';' '}'
15 | '{' . CONTROL '}'
IF shift, and go to state 5
RETURN shift, and go to state 72
CONTROL go to state 73
State 71
12 CONTROL: IF '(' CONDITION ')' THENSTMT .
13 | IF '(' CONDITION ')' THENSTMT . ELSE OTHERSTMT
ELSE shift, and go to state 74
$default reduce using rule 12 (CONTROL)
State 72
14 THENSTMT: '{' RETURN . E ';' '}'
VARNAME shift, and go to state 22
FNUM shift, and go to state 3
'-' shift, and go to state 7
'(' shift, and go to state 8
E go to state 75
F go to state 17
D go to state 18
L go to state 19
State 73
15 THENSTMT: '{' CONTROL . '}'
'}' shift, and go to state 76
State 74
13 CONTROL: IF '(' CONDITION ')' THENSTMT ELSE . OTHERSTMT
'{' shift, and go to state 77
OTHERSTMT go to state 78
State 75
14 THENSTMT: '{' RETURN E . ';' '}'
28 E: E . '+' F
29 | E . '-' F
'+' shift, and go to state 43