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ex1.output
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State 26 conflicts: 1 shift/reduce
State 31 conflicts: 1 shift/reduce
Grammar
0 $accept: Program $end
1 Program: ExtDefList
2 ExtDefList: ExtDef ExtDefList
3 | %empty
4 ExtDef: Specifier ExtDecList SEMI
5 | Specifier ExtDecList
6 | Specifier SEMI
7 | Specifier
8 | Specifier FunDec CompSt
9 | error SEMI
10 ExtDecList: VarDec
11 | VarDec COMMA ExtDecList
12 Specifier: TYPE
13 | StructSpecifier
14 StructSpecifier: STRUCT OptTag LC DefList RC
15 | STRUCT Tag
16 OptTag: ID
17 | %empty
18 Tag: ID
19 VarDec: ID
20 | VarDec LB INT RB
21 FunDec: ID LP VarList RP
22 | ID LP RP
23 | ID LP
24 VarList: ParamDec COMMA VarList
25 | ParamDec
26 ParamDec: Specifier VarDec
27 CompSt: LC DefList StmtList RC
28 | error RC
29 StmtList: Stmt StmtList
30 | %empty
31 Stmt: Exp SEMI
32 | CompSt
33 | RETURN Exp SEMI
34 | IF LP Exp RP Stmt
35 | IF LP Exp RP Stmt ELSE Stmt
36 | WHILE LP Exp RP Stmt
37 | error SEMI
38 DefList: Def DefList
39 | %empty
40 Def: Specifier DecList SEMI
41 | error SEMI
42 DecList: Dec
43 | Dec COMMA DecList
44 Dec: VarDec
45 | VarDec ASSIGNOP Exp
46 Exp: Exp ASSIGNOP Exp
47 | Exp AND Exp
48 | Exp OR Exp
49 | Exp RELOP Exp
50 | Exp PLUS Exp
51 | Exp MINUS Exp
52 | Exp STAR Exp
53 | Exp DIV Exp
54 | LP Exp RP
55 | MINUS Exp
56 | NOT Exp
57 | ID LP Args RP
58 | ID LP
59 | ID LP RP
60 | Exp LB Exp RB
61 | Exp DOT ID
62 | ID
63 | INT
64 | FLOAT
65 | error RP
66 Args: Exp COMMA Args
67 | Exp
Terminals, with rules where they appear
$end (0) 0
error (256) 9 28 37 41 65
INT (258) 20 63
FLOAT (259) 64
ID (260) 16 18 19 21 22 23 57 58 59 61 62
TYPE (261) 12
LOWER_THAN_SEMI (262)
SEMI (263) 4 6 9 31 33 37 40 41
COMMA (264) 11 24 43 66
LC (265) 14 27
RC (266) 14 27 28
LOWER_THAN_ELSE (267)
STRUCT (268) 14 15
RETURN (269) 33
IF (270) 34 35
ELSE (271) 35
WHILE (272) 36
ASSIGNOP (273) 45 46
OR (274) 48
AND (275) 47
RELOP (276) 49
PLUS (277) 50
MINUS (278) 51 55
STAR (279) 52
DIV (280) 53
NOT (281) 56
UMINUS (282)
DOT (283) 61
LP (284) 21 22 23 34 35 36 54 57 58 59
RP (285) 21 22 34 35 36 54 57 59 65
LB (286) 20 60
RB (287) 20 60
Nonterminals, with rules where they appear
$accept (33)
on left: 0
Program (34)
on left: 1, on right: 0
ExtDefList (35)
on left: 2 3, on right: 1 2
ExtDef (36)
on left: 4 5 6 7 8 9, on right: 2
ExtDecList (37)
on left: 10 11, on right: 4 5 11
Specifier (38)
on left: 12 13, on right: 4 5 6 7 8 26 40
StructSpecifier (39)
on left: 14 15, on right: 13
OptTag (40)
on left: 16 17, on right: 14
Tag (41)
on left: 18, on right: 15
VarDec (42)
on left: 19 20, on right: 10 11 20 26 44 45
FunDec (43)
on left: 21 22 23, on right: 8
VarList (44)
on left: 24 25, on right: 21 24
ParamDec (45)
on left: 26, on right: 24 25
CompSt (46)
on left: 27 28, on right: 8 32
StmtList (47)
on left: 29 30, on right: 27 29
Stmt (48)
on left: 31 32 33 34 35 36 37, on right: 29 34 35 36
DefList (49)
on left: 38 39, on right: 14 27 38
Def (50)
on left: 40 41, on right: 38
DecList (51)
on left: 42 43, on right: 40 43
Dec (52)
on left: 44 45, on right: 42 43
Exp (53)
on left: 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
64 65, on right: 31 33 34 35 36 45 46 47 48 49 50 51 52 53 54 55
56 60 61 66 67
Args (54)
on left: 66 67, on right: 57 66
State 0
0 $accept: . Program $end
error shift, and go to state 1
TYPE shift, and go to state 2
STRUCT shift, and go to state 3
$end reduce using rule 3 (ExtDefList)
Program go to state 4
ExtDefList go to state 5
ExtDef go to state 6
Specifier go to state 7
StructSpecifier go to state 8
State 1
9 ExtDef: error . SEMI
SEMI shift, and go to state 9
State 2
12 Specifier: TYPE .
$default reduce using rule 12 (Specifier)
State 3
14 StructSpecifier: STRUCT . OptTag LC DefList RC
15 | STRUCT . Tag
ID shift, and go to state 10
$default reduce using rule 17 (OptTag)
OptTag go to state 11
Tag go to state 12
State 4
0 $accept: Program . $end
$end shift, and go to state 13
State 5
1 Program: ExtDefList .
$default reduce using rule 1 (Program)
State 6
2 ExtDefList: ExtDef . ExtDefList
error shift, and go to state 1
TYPE shift, and go to state 2
STRUCT shift, and go to state 3
$end reduce using rule 3 (ExtDefList)
ExtDefList go to state 14
ExtDef go to state 6
Specifier go to state 7
StructSpecifier go to state 8
State 7
4 ExtDef: Specifier . ExtDecList SEMI
5 | Specifier . ExtDecList
6 | Specifier . SEMI
7 | Specifier .
8 | Specifier . FunDec CompSt
ID shift, and go to state 15
SEMI shift, and go to state 16
$default reduce using rule 7 (ExtDef)
ExtDecList go to state 17
VarDec go to state 18
FunDec go to state 19
State 8
13 Specifier: StructSpecifier .
$default reduce using rule 13 (Specifier)
State 9
9 ExtDef: error SEMI .
$default reduce using rule 9 (ExtDef)
State 10
16 OptTag: ID .
18 Tag: ID .
LC reduce using rule 16 (OptTag)
$default reduce using rule 18 (Tag)
State 11
14 StructSpecifier: STRUCT OptTag . LC DefList RC
LC shift, and go to state 20
State 12
15 StructSpecifier: STRUCT Tag .
$default reduce using rule 15 (StructSpecifier)
State 13
0 $accept: Program $end .
$default accept
State 14
2 ExtDefList: ExtDef ExtDefList .
$default reduce using rule 2 (ExtDefList)
State 15
19 VarDec: ID .
21 FunDec: ID . LP VarList RP
22 | ID . LP RP
23 | ID . LP
LP shift, and go to state 21
$default reduce using rule 19 (VarDec)
State 16
6 ExtDef: Specifier SEMI .
$default reduce using rule 6 (ExtDef)
State 17
4 ExtDef: Specifier ExtDecList . SEMI
5 | Specifier ExtDecList .
SEMI shift, and go to state 22
$default reduce using rule 5 (ExtDef)
State 18
10 ExtDecList: VarDec .
11 | VarDec . COMMA ExtDecList
20 VarDec: VarDec . LB INT RB
COMMA shift, and go to state 23
LB shift, and go to state 24
$default reduce using rule 10 (ExtDecList)
State 19
8 ExtDef: Specifier FunDec . CompSt
error shift, and go to state 25
LC shift, and go to state 26
CompSt go to state 27
State 20
14 StructSpecifier: STRUCT OptTag LC . DefList RC
error shift, and go to state 28
TYPE shift, and go to state 2
STRUCT shift, and go to state 3
RC reduce using rule 39 (DefList)
Specifier go to state 29
StructSpecifier go to state 8
DefList go to state 30
Def go to state 31
State 21
21 FunDec: ID LP . VarList RP
22 | ID LP . RP
23 | ID LP .
TYPE shift, and go to state 2
STRUCT shift, and go to state 3
RP shift, and go to state 32
$default reduce using rule 23 (FunDec)
Specifier go to state 33
StructSpecifier go to state 8
VarList go to state 34
ParamDec go to state 35
State 22
4 ExtDef: Specifier ExtDecList SEMI .
$default reduce using rule 4 (ExtDef)
State 23
11 ExtDecList: VarDec COMMA . ExtDecList
ID shift, and go to state 36
ExtDecList go to state 37
VarDec go to state 18
State 24
20 VarDec: VarDec LB . INT RB
INT shift, and go to state 38
State 25
28 CompSt: error . RC
RC shift, and go to state 39
State 26
27 CompSt: LC . DefList StmtList RC
error shift, and go to state 28
TYPE shift, and go to state 2
STRUCT shift, and go to state 3
error [reduce using rule 39 (DefList)]
INT reduce using rule 39 (DefList)
FLOAT reduce using rule 39 (DefList)
ID reduce using rule 39 (DefList)
LC reduce using rule 39 (DefList)
RC reduce using rule 39 (DefList)
RETURN reduce using rule 39 (DefList)
IF reduce using rule 39 (DefList)
WHILE reduce using rule 39 (DefList)
MINUS reduce using rule 39 (DefList)
NOT reduce using rule 39 (DefList)
LP reduce using rule 39 (DefList)
Specifier go to state 29
StructSpecifier go to state 8
DefList go to state 40
Def go to state 31
State 27
8 ExtDef: Specifier FunDec CompSt .
$default reduce using rule 8 (ExtDef)
State 28
41 Def: error . SEMI
SEMI shift, and go to state 41
State 29
40 Def: Specifier . DecList SEMI
ID shift, and go to state 36
VarDec go to state 42
DecList go to state 43
Dec go to state 44
State 30
14 StructSpecifier: STRUCT OptTag LC DefList . RC
RC shift, and go to state 45
State 31
38 DefList: Def . DefList
error shift, and go to state 28
TYPE shift, and go to state 2
STRUCT shift, and go to state 3
error [reduce using rule 39 (DefList)]
INT reduce using rule 39 (DefList)
FLOAT reduce using rule 39 (DefList)
ID reduce using rule 39 (DefList)
LC reduce using rule 39 (DefList)
RC reduce using rule 39 (DefList)
RETURN reduce using rule 39 (DefList)
IF reduce using rule 39 (DefList)
WHILE reduce using rule 39 (DefList)
MINUS reduce using rule 39 (DefList)
NOT reduce using rule 39 (DefList)
LP reduce using rule 39 (DefList)
Specifier go to state 29
StructSpecifier go to state 8
DefList go to state 46
Def go to state 31
State 32
22 FunDec: ID LP RP .
$default reduce using rule 22 (FunDec)
State 33
26 ParamDec: Specifier . VarDec
ID shift, and go to state 36
VarDec go to state 47
State 34
21 FunDec: ID LP VarList . RP
RP shift, and go to state 48
State 35
24 VarList: ParamDec . COMMA VarList
25 | ParamDec .
COMMA shift, and go to state 49
$default reduce using rule 25 (VarList)
State 36
19 VarDec: ID .
$default reduce using rule 19 (VarDec)
State 37
11 ExtDecList: VarDec COMMA ExtDecList .
$default reduce using rule 11 (ExtDecList)
State 38
20 VarDec: VarDec LB INT . RB
RB shift, and go to state 50
State 39
28 CompSt: error RC .
$default reduce using rule 28 (CompSt)
State 40
27 CompSt: LC DefList . StmtList RC
error shift, and go to state 51
INT shift, and go to state 52
FLOAT shift, and go to state 53
ID shift, and go to state 54
LC shift, and go to state 26
RETURN shift, and go to state 55
IF shift, and go to state 56
WHILE shift, and go to state 57
MINUS shift, and go to state 58
NOT shift, and go to state 59
LP shift, and go to state 60
RC reduce using rule 30 (StmtList)
CompSt go to state 61
StmtList go to state 62
Stmt go to state 63
Exp go to state 64
State 41
41 Def: error SEMI .
$default reduce using rule 41 (Def)
State 42
20 VarDec: VarDec . LB INT RB
44 Dec: VarDec .
45 | VarDec . ASSIGNOP Exp
ASSIGNOP shift, and go to state 65
LB shift, and go to state 24
$default reduce using rule 44 (Dec)
State 43
40 Def: Specifier DecList . SEMI
SEMI shift, and go to state 66
State 44
42 DecList: Dec .
43 | Dec . COMMA DecList
COMMA shift, and go to state 67
$default reduce using rule 42 (DecList)
State 45
14 StructSpecifier: STRUCT OptTag LC DefList RC .
$default reduce using rule 14 (StructSpecifier)
State 46
38 DefList: Def DefList .
$default reduce using rule 38 (DefList)
State 47
20 VarDec: VarDec . LB INT RB
26 ParamDec: Specifier VarDec .
LB shift, and go to state 24
$default reduce using rule 26 (ParamDec)
State 48
21 FunDec: ID LP VarList RP .
$default reduce using rule 21 (FunDec)
State 49
24 VarList: ParamDec COMMA . VarList
TYPE shift, and go to state 2
STRUCT shift, and go to state 3
Specifier go to state 33
StructSpecifier go to state 8
VarList go to state 68
ParamDec go to state 35
State 50
20 VarDec: VarDec LB INT RB .
$default reduce using rule 20 (VarDec)
State 51
28 CompSt: error . RC
37 Stmt: error . SEMI
65 Exp: error . RP
SEMI shift, and go to state 69
RC shift, and go to state 39
RP shift, and go to state 70
State 52
63 Exp: INT .
$default reduce using rule 63 (Exp)
State 53
64 Exp: FLOAT .
$default reduce using rule 64 (Exp)
State 54
57 Exp: ID . LP Args RP
58 | ID . LP
59 | ID . LP RP
62 | ID .
LP shift, and go to state 71
$default reduce using rule 62 (Exp)
State 55
33 Stmt: RETURN . Exp SEMI
error shift, and go to state 72
INT shift, and go to state 52
FLOAT shift, and go to state 53
ID shift, and go to state 54
MINUS shift, and go to state 58
NOT shift, and go to state 59
LP shift, and go to state 60
Exp go to state 73
State 56
34 Stmt: IF . LP Exp RP Stmt
35 | IF . LP Exp RP Stmt ELSE Stmt
LP shift, and go to state 74
State 57
36 Stmt: WHILE . LP Exp RP Stmt
LP shift, and go to state 75
State 58
55 Exp: MINUS . Exp
error shift, and go to state 72
INT shift, and go to state 52
FLOAT shift, and go to state 53
ID shift, and go to state 54
MINUS shift, and go to state 58
NOT shift, and go to state 59
LP shift, and go to state 60
Exp go to state 76
State 59
56 Exp: NOT . Exp
error shift, and go to state 72
INT shift, and go to state 52
FLOAT shift, and go to state 53
ID shift, and go to state 54
MINUS shift, and go to state 58
NOT shift, and go to state 59
LP shift, and go to state 60
Exp go to state 77
State 60
54 Exp: LP . Exp RP
error shift, and go to state 72
INT shift, and go to state 52
FLOAT shift, and go to state 53
ID shift, and go to state 54
MINUS shift, and go to state 58
NOT shift, and go to state 59
LP shift, and go to state 60
Exp go to state 78
State 61
32 Stmt: CompSt .
$default reduce using rule 32 (Stmt)
State 62
27 CompSt: LC DefList StmtList . RC
RC shift, and go to state 79
State 63
29 StmtList: Stmt . StmtList
error shift, and go to state 51
INT shift, and go to state 52
FLOAT shift, and go to state 53
ID shift, and go to state 54
LC shift, and go to state 26
RETURN shift, and go to state 55
IF shift, and go to state 56
WHILE shift, and go to state 57
MINUS shift, and go to state 58
NOT shift, and go to state 59
LP shift, and go to state 60
RC reduce using rule 30 (StmtList)
CompSt go to state 61
StmtList go to state 80
Stmt go to state 63
Exp go to state 64
State 64
31 Stmt: Exp . SEMI
46 Exp: Exp . ASSIGNOP Exp
47 | Exp . AND Exp
48 | Exp . OR Exp
49 | Exp . RELOP Exp
50 | Exp . PLUS Exp
51 | Exp . MINUS Exp
52 | Exp . STAR Exp
53 | Exp . DIV Exp
60 | Exp . LB Exp RB
61 | Exp . DOT ID
SEMI shift, and go to state 81
ASSIGNOP shift, and go to state 82
OR shift, and go to state 83
AND shift, and go to state 84
RELOP shift, and go to state 85
PLUS shift, and go to state 86
MINUS shift, and go to state 87
STAR shift, and go to state 88
DIV shift, and go to state 89
DOT shift, and go to state 90
LB shift, and go to state 91
State 65
45 Dec: VarDec ASSIGNOP . Exp
error shift, and go to state 72
INT shift, and go to state 52
FLOAT shift, and go to state 53
ID shift, and go to state 54
MINUS shift, and go to state 58
NOT shift, and go to state 59
LP shift, and go to state 60
Exp go to state 92
State 66
40 Def: Specifier DecList SEMI .
$default reduce using rule 40 (Def)
State 67
43 DecList: Dec COMMA . DecList
ID shift, and go to state 36
VarDec go to state 42
DecList go to state 93
Dec go to state 44
State 68
24 VarList: ParamDec COMMA VarList .
$default reduce using rule 24 (VarList)
State 69
37 Stmt: error SEMI .
$default reduce using rule 37 (Stmt)
State 70
65 Exp: error RP .
$default reduce using rule 65 (Exp)
State 71
57 Exp: ID LP . Args RP
58 | ID LP .
59 | ID LP . RP
error shift, and go to state 72
INT shift, and go to state 52
FLOAT shift, and go to state 53
ID shift, and go to state 54
MINUS shift, and go to state 58
NOT shift, and go to state 59
LP shift, and go to state 60
RP shift, and go to state 94
SEMI reduce using rule 58 (Exp)
COMMA reduce using rule 58 (Exp)
ASSIGNOP reduce using rule 58 (Exp)
OR reduce using rule 58 (Exp)
AND reduce using rule 58 (Exp)
RELOP reduce using rule 58 (Exp)
PLUS reduce using rule 58 (Exp)
STAR reduce using rule 58 (Exp)
DIV reduce using rule 58 (Exp)
DOT reduce using rule 58 (Exp)
LB reduce using rule 58 (Exp)
RB reduce using rule 58 (Exp)
Exp go to state 95
Args go to state 96
State 72
65 Exp: error . RP
RP shift, and go to state 70
State 73
33 Stmt: RETURN Exp . SEMI
46 Exp: Exp . ASSIGNOP Exp
47 | Exp . AND Exp
48 | Exp . OR Exp
49 | Exp . RELOP Exp
50 | Exp . PLUS Exp
51 | Exp . MINUS Exp
52 | Exp . STAR Exp
53 | Exp . DIV Exp
60 | Exp . LB Exp RB
61 | Exp . DOT ID
SEMI shift, and go to state 97
ASSIGNOP shift, and go to state 82
OR shift, and go to state 83
AND shift, and go to state 84
RELOP shift, and go to state 85
PLUS shift, and go to state 86
MINUS shift, and go to state 87
STAR shift, and go to state 88
DIV shift, and go to state 89
DOT shift, and go to state 90
LB shift, and go to state 91
State 74
34 Stmt: IF LP . Exp RP Stmt