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syntax.output.beforeResolvingConflicts
3104 lines (2010 loc) · 77.3 KB
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syntax.output.beforeResolvingConflicts
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State 70 conflicts: 6 shift/reduce
State 71 conflicts: 6 shift/reduce
State 123 conflicts: 6 shift/reduce
State 124 conflicts: 6 shift/reduce
State 125 conflicts: 6 shift/reduce
State 126 conflicts: 6 shift/reduce
State 127 conflicts: 6 shift/reduce
State 128 conflicts: 6 shift/reduce
State 180 conflicts: 1 shift/reduce
Grammar
0 $accept: program "EOF"
1 program: header declarations subprograms comp_statement "."
2 header: "program" "id" ";"
3 declarations: constdefs typedefs vardefs
4 constdefs: "const" constant_defs ";"
5 | %empty
6 constant_defs: constant_defs ";" "id" "=" expression
7 | "id" "=" expression
8 expression: expression "> or >= or < or <= or <>" expression
9 | expression "=" expression
10 | expression "in" expression
11 | expression "or" expression
12 | expression "+ or -" expression
13 | expression "* or / or div or mod or and" expression
14 | "+ or -" expression
15 | "not" expression
16 | variable
17 | "id" "(" expressions ")"
18 | constant
19 | "(" expression ")"
20 | setexpression
21 variable: "id"
22 | variable "." "id"
23 | variable "[" expressions "]"
24 expressions: expressions "," expression
25 | expression
26 constant: "iconst"
27 | "rconst"
28 | "bconst"
29 | "cconst"
30 setexpression: "[" elexpressions "]"
31 | "[" "]"
32 elexpressions: elexpressions "," elexpression
33 | elexpression
34 elexpression: expression ".." expression
35 | expression
36 typedefs: "type" type_defs ";"
37 | %empty
38 type_defs: type_defs ";" "id" "=" type_def
39 | "id" "=" type_def
40 type_def: "array" "[" dims "]" "of" typename
41 | "set" "of" typename
42 | "record" fields "end"
43 | "(" identifiers ")"
44 | limit ".." limit
45 dims: dims "," limits
46 | limits
47 limits: limit ".." limit
48 | "id"
49 limit: "+ or -" "iconst"
50 | "+ or -" "id"
51 | "iconst"
52 | "cconst"
53 | "bconst"
54 | "id"
55 typename: standard_type
56 | "id"
57 standard_type: "integer"
58 | "real"
59 | "boolean"
60 | "char"
61 fields: fields ";" field
62 | field
63 field: identifiers ":" typename
64 identifiers: identifiers "," "id"
65 | "id"
66 vardefs: "var" variable_defs ";"
67 | %empty
68 variable_defs: variable_defs ";" identifiers ":" typename
69 | identifiers ":" typename
70 subprograms: subprograms subprogram ";"
71 | %empty
72 subprogram: sub_header ";" "forward"
73 | sub_header ";" declarations subprograms comp_statement
74 sub_header: "function" "id" formal_parameters ":" standard_type
75 | "procedure" "id" formal_parameters
76 | "function" "id"
77 formal_parameters: "(" parameter_list ")"
78 | %empty
79 parameter_list: parameter_list ";" pass identifiers ":" typename
80 | pass identifiers ":" typename
81 pass: "var"
82 | %empty
83 comp_statement: "begin" statements "end"
84 statements: statements ";" statement
85 | statement
86 statement: assignment
87 | if_statement
88 | while_statement
89 | for_statement
90 | with_statement
91 | subprogram_call
92 | io_statement
93 | comp_statement
94 | %empty
95 assignment: variable ":=" expression
96 | variable ":=" "string"
97 if_statement: "if" expression "then" statement if_tail
98 if_tail: "else" statement
99 | %empty
100 while_statement: "while" expression "do" statement
101 for_statement: "for" "id" ":=" iter_space "do" statement
102 iter_space: expression "to" expression
103 | expression "downto" expression
104 with_statement: "with" variable "do" statement
105 subprogram_call: "id"
106 | "id" "(" expressions ")"
107 io_statement: "read" "(" read_list ")"
108 | "write" "(" write_list ")"
109 read_list: read_list "," read_item
110 | read_item
111 read_item: variable
112 write_list: write_list "," write_item
113 | write_item
114 write_item: expression
115 | "string"
Terminals, with rules where they appear
"EOF" (0) 0
error (256)
"program" (258) 2
"const" (259) 4
"type" (260) 36
"array" (261) 40
"set" (262) 41
"of" (263) 40 41
"record" (264) 42
"var" (265) 66 81
"forward" (266) 72
"function" (267) 74 76
"procedure" (268) 75
"integer" (269) 57
"real" (270) 58
"boolean" (271) 59
"char" (272) 60
"begin" (273) 83
"end" (274) 42 83
"if" (275) 97
"then" (276) 97
"else" (277) 98
"while" (278) 100
"do" (279) 100 101 104
"for" (280) 101
"downto" (281) 103
"to" (282) 102
"with" (283) 104
"read" (284) 107
"write" (285) 108
"id" <strval> (286) 2 6 7 17 21 22 38 39 48 50 54 56 64 65 74 75 76 101 105 106
"iconst" <intval> (287) 26 49 51
"rconst" <floatval> (288) 27
"bconst" <boolean> (289) 28 53
"cconst" <charval> (290) 29 52
"> or >= or < or <= or <>" (291) 8
"+ or -" (292) 12 14 49 50
"or" (293) 11
"* or / or div or mod or and" (294) 13
"not" (295) 15
"in" (296) 10
"string" (297) 96 115
"(" (298) 17 19 43 77 106 107 108
")" (299) 17 19 43 77 106 107 108
";" (300) 2 4 6 36 38 61 66 68 70 72 73 79 84
"." (301) 1 22
"," (302) 24 32 45 64 109 112
"=" (303) 6 7 9 38 39
":" (304) 63 68 69 74 79 80
"[" (305) 23 30 31 40
"]" (306) 23 30 31 40
":=" (307) 95 96 101
".." (308) 34 44 47
Nonterminals, with rules where they appear
$accept (54)
on left: 0
program (55)
on left: 1
on right: 0
header (56)
on left: 2
on right: 1
declarations (57)
on left: 3
on right: 1 73
constdefs (58)
on left: 4 5
on right: 3
constant_defs (59)
on left: 6 7
on right: 4 6
expression (60)
on left: 8 9 10 11 12 13 14 15 16 17 18 19 20
on right: 6 7 8 9 10 11 12 13 14 15 19 24 25 34 35 95 97 100 102 103 114
variable (61)
on left: 21 22 23
on right: 16 22 23 95 96 104 111
expressions (62)
on left: 24 25
on right: 17 23 24 106
constant (63)
on left: 26 27 28 29
on right: 18
setexpression (64)
on left: 30 31
on right: 20
elexpressions (65)
on left: 32 33
on right: 30 32
elexpression (66)
on left: 34 35
on right: 32 33
typedefs (67)
on left: 36 37
on right: 3
type_defs (68)
on left: 38 39
on right: 36 38
type_def (69)
on left: 40 41 42 43 44
on right: 38 39
dims (70)
on left: 45 46
on right: 40 45
limits (71)
on left: 47 48
on right: 45 46
limit (72)
on left: 49 50 51 52 53 54
on right: 44 47
typename (73)
on left: 55 56
on right: 40 41 63 68 69 79 80
standard_type (74)
on left: 57 58 59 60
on right: 55 74
fields (75)
on left: 61 62
on right: 42 61
field (76)
on left: 63
on right: 61 62
identifiers (77)
on left: 64 65
on right: 43 63 64 68 69 79 80
vardefs (78)
on left: 66 67
on right: 3
variable_defs (79)
on left: 68 69
on right: 66 68
subprograms (80)
on left: 70 71
on right: 1 70 73
subprogram (81)
on left: 72 73
on right: 70
sub_header (82)
on left: 74 75 76
on right: 72 73
formal_parameters (83)
on left: 77 78
on right: 74 75
parameter_list (84)
on left: 79 80
on right: 77 79
pass (85)
on left: 81 82
on right: 79 80
comp_statement (86)
on left: 83
on right: 1 73 93
statements (87)
on left: 84 85
on right: 83 84
statement (88)
on left: 86 87 88 89 90 91 92 93 94
on right: 84 85 97 98 100 101 104
assignment (89)
on left: 95 96
on right: 86
if_statement (90)
on left: 97
on right: 87
if_tail (91)
on left: 98 99
on right: 97
while_statement (92)
on left: 100
on right: 88
for_statement (93)
on left: 101
on right: 89
iter_space (94)
on left: 102 103
on right: 101
with_statement (95)
on left: 104
on right: 90
subprogram_call (96)
on left: 105 106
on right: 91
io_statement (97)
on left: 107 108
on right: 92
read_list (98)
on left: 109 110
on right: 107 109
read_item (99)
on left: 111
on right: 109 110
write_list (100)
on left: 112 113
on right: 108 112
write_item (101)
on left: 114 115
on right: 112 113
State 0
0 $accept: • program "EOF"
"program" shift, and go to state 1
program go to state 2
header go to state 3
State 1
2 header: "program" • "id" ";"
"id" shift, and go to state 4
State 2
0 $accept: program • "EOF"
"EOF" shift, and go to state 5
State 3
1 program: header • declarations subprograms comp_statement "."
"const" shift, and go to state 6
$default reduce using rule 5 (constdefs)
declarations go to state 7
constdefs go to state 8
State 4
2 header: "program" "id" • ";"
";" shift, and go to state 9
State 5
0 $accept: program "EOF" •
$default accept
State 6
4 constdefs: "const" • constant_defs ";"
"id" shift, and go to state 10
constant_defs go to state 11
State 7
1 program: header declarations • subprograms comp_statement "."
$default reduce using rule 71 (subprograms)
subprograms go to state 12
State 8
3 declarations: constdefs • typedefs vardefs
"type" shift, and go to state 13
$default reduce using rule 37 (typedefs)
typedefs go to state 14
State 9
2 header: "program" "id" ";" •
$default reduce using rule 2 (header)
State 10
7 constant_defs: "id" • "=" expression
"=" shift, and go to state 15
State 11
4 constdefs: "const" constant_defs • ";"
6 constant_defs: constant_defs • ";" "id" "=" expression
";" shift, and go to state 16
State 12
1 program: header declarations subprograms • comp_statement "."
70 subprograms: subprograms • subprogram ";"
"function" shift, and go to state 17
"procedure" shift, and go to state 18
"begin" shift, and go to state 19
subprogram go to state 20
sub_header go to state 21
comp_statement go to state 22
State 13
36 typedefs: "type" • type_defs ";"
"id" shift, and go to state 23
type_defs go to state 24
State 14
3 declarations: constdefs typedefs • vardefs
"var" shift, and go to state 25
$default reduce using rule 67 (vardefs)
vardefs go to state 26
State 15
7 constant_defs: "id" "=" • expression
"id" shift, and go to state 27
"iconst" shift, and go to state 28
"rconst" shift, and go to state 29
"bconst" shift, and go to state 30
"cconst" shift, and go to state 31
"+ or -" shift, and go to state 32
"not" shift, and go to state 33
"(" shift, and go to state 34
"[" shift, and go to state 35
expression go to state 36
variable go to state 37
constant go to state 38
setexpression go to state 39
State 16
4 constdefs: "const" constant_defs ";" •
6 constant_defs: constant_defs ";" • "id" "=" expression
"id" shift, and go to state 40
$default reduce using rule 4 (constdefs)
State 17
74 sub_header: "function" • "id" formal_parameters ":" standard_type
76 | "function" • "id"
"id" shift, and go to state 41
State 18
75 sub_header: "procedure" • "id" formal_parameters
"id" shift, and go to state 42
State 19
83 comp_statement: "begin" • statements "end"
"begin" shift, and go to state 19
"if" shift, and go to state 43
"while" shift, and go to state 44
"for" shift, and go to state 45
"with" shift, and go to state 46
"read" shift, and go to state 47
"write" shift, and go to state 48
"id" shift, and go to state 49
$default reduce using rule 94 (statement)
variable go to state 50
comp_statement go to state 51
statements go to state 52
statement go to state 53
assignment go to state 54
if_statement go to state 55
while_statement go to state 56
for_statement go to state 57
with_statement go to state 58
subprogram_call go to state 59
io_statement go to state 60
State 20
70 subprograms: subprograms subprogram • ";"
";" shift, and go to state 61
State 21
72 subprogram: sub_header • ";" "forward"
73 | sub_header • ";" declarations subprograms comp_statement
";" shift, and go to state 62
State 22
1 program: header declarations subprograms comp_statement • "."
"." shift, and go to state 63
State 23
39 type_defs: "id" • "=" type_def
"=" shift, and go to state 64
State 24
36 typedefs: "type" type_defs • ";"
38 type_defs: type_defs • ";" "id" "=" type_def
";" shift, and go to state 65
State 25
66 vardefs: "var" • variable_defs ";"
"id" shift, and go to state 66
identifiers go to state 67
variable_defs go to state 68
State 26
3 declarations: constdefs typedefs vardefs •
$default reduce using rule 3 (declarations)
State 27
17 expression: "id" • "(" expressions ")"
21 variable: "id" •
"(" shift, and go to state 69
$default reduce using rule 21 (variable)
State 28
26 constant: "iconst" •
$default reduce using rule 26 (constant)
State 29
27 constant: "rconst" •
$default reduce using rule 27 (constant)
State 30
28 constant: "bconst" •
$default reduce using rule 28 (constant)
State 31
29 constant: "cconst" •
$default reduce using rule 29 (constant)
State 32
14 expression: "+ or -" • expression
"id" shift, and go to state 27
"iconst" shift, and go to state 28
"rconst" shift, and go to state 29
"bconst" shift, and go to state 30
"cconst" shift, and go to state 31
"+ or -" shift, and go to state 32
"not" shift, and go to state 33
"(" shift, and go to state 34
"[" shift, and go to state 35
expression go to state 70
variable go to state 37
constant go to state 38
setexpression go to state 39
State 33
15 expression: "not" • expression
"id" shift, and go to state 27
"iconst" shift, and go to state 28
"rconst" shift, and go to state 29
"bconst" shift, and go to state 30
"cconst" shift, and go to state 31
"+ or -" shift, and go to state 32
"not" shift, and go to state 33
"(" shift, and go to state 34
"[" shift, and go to state 35
expression go to state 71
variable go to state 37
constant go to state 38
setexpression go to state 39
State 34
19 expression: "(" • expression ")"
"id" shift, and go to state 27
"iconst" shift, and go to state 28
"rconst" shift, and go to state 29
"bconst" shift, and go to state 30
"cconst" shift, and go to state 31
"+ or -" shift, and go to state 32
"not" shift, and go to state 33
"(" shift, and go to state 34
"[" shift, and go to state 35
expression go to state 72
variable go to state 37
constant go to state 38
setexpression go to state 39
State 35
30 setexpression: "[" • elexpressions "]"
31 | "[" • "]"
"id" shift, and go to state 27
"iconst" shift, and go to state 28
"rconst" shift, and go to state 29
"bconst" shift, and go to state 30
"cconst" shift, and go to state 31
"+ or -" shift, and go to state 32
"not" shift, and go to state 33
"(" shift, and go to state 34
"[" shift, and go to state 35
"]" shift, and go to state 73
expression go to state 74
variable go to state 37
constant go to state 38
setexpression go to state 39
elexpressions go to state 75
elexpression go to state 76
State 36
7 constant_defs: "id" "=" expression •
8 expression: expression • "> or >= or < or <= or <>" expression
9 | expression • "=" expression
10 | expression • "in" expression
11 | expression • "or" expression
12 | expression • "+ or -" expression
13 | expression • "* or / or div or mod or and" expression
"> or >= or < or <= or <>" shift, and go to state 77
"+ or -" shift, and go to state 78
"or" shift, and go to state 79
"* or / or div or mod or and" shift, and go to state 80
"in" shift, and go to state 81
"=" shift, and go to state 82
$default reduce using rule 7 (constant_defs)
State 37
16 expression: variable •
22 variable: variable • "." "id"
23 | variable • "[" expressions "]"
"." shift, and go to state 83
"[" shift, and go to state 84
$default reduce using rule 16 (expression)
State 38
18 expression: constant •
$default reduce using rule 18 (expression)
State 39
20 expression: setexpression •
$default reduce using rule 20 (expression)
State 40
6 constant_defs: constant_defs ";" "id" • "=" expression
"=" shift, and go to state 85
State 41
74 sub_header: "function" "id" • formal_parameters ":" standard_type
76 | "function" "id" •
"(" shift, and go to state 86
":" reduce using rule 78 (formal_parameters)
$default reduce using rule 76 (sub_header)
formal_parameters go to state 87
State 42
75 sub_header: "procedure" "id" • formal_parameters
"(" shift, and go to state 86
$default reduce using rule 78 (formal_parameters)
formal_parameters go to state 88
State 43
97 if_statement: "if" • expression "then" statement if_tail
"id" shift, and go to state 27
"iconst" shift, and go to state 28
"rconst" shift, and go to state 29
"bconst" shift, and go to state 30
"cconst" shift, and go to state 31
"+ or -" shift, and go to state 32
"not" shift, and go to state 33
"(" shift, and go to state 34
"[" shift, and go to state 35
expression go to state 89
variable go to state 37
constant go to state 38
setexpression go to state 39
State 44
100 while_statement: "while" • expression "do" statement
"id" shift, and go to state 27
"iconst" shift, and go to state 28
"rconst" shift, and go to state 29
"bconst" shift, and go to state 30
"cconst" shift, and go to state 31
"+ or -" shift, and go to state 32
"not" shift, and go to state 33
"(" shift, and go to state 34
"[" shift, and go to state 35
expression go to state 90
variable go to state 37
constant go to state 38
setexpression go to state 39
State 45
101 for_statement: "for" • "id" ":=" iter_space "do" statement
"id" shift, and go to state 91
State 46
104 with_statement: "with" • variable "do" statement
"id" shift, and go to state 92
variable go to state 93
State 47
107 io_statement: "read" • "(" read_list ")"
"(" shift, and go to state 94
State 48
108 io_statement: "write" • "(" write_list ")"
"(" shift, and go to state 95
State 49
21 variable: "id" •
105 subprogram_call: "id" •
106 | "id" • "(" expressions ")"
"(" shift, and go to state 96
"end" reduce using rule 105 (subprogram_call)
"else" reduce using rule 105 (subprogram_call)
";" reduce using rule 105 (subprogram_call)
$default reduce using rule 21 (variable)
State 50
22 variable: variable • "." "id"
23 | variable • "[" expressions "]"
95 assignment: variable • ":=" expression
96 | variable • ":=" "string"
"." shift, and go to state 83
"[" shift, and go to state 84
":=" shift, and go to state 97
State 51
93 statement: comp_statement •
$default reduce using rule 93 (statement)
State 52
83 comp_statement: "begin" statements • "end"
84 statements: statements • ";" statement
"end" shift, and go to state 98
";" shift, and go to state 99
State 53
85 statements: statement •
$default reduce using rule 85 (statements)
State 54
86 statement: assignment •
$default reduce using rule 86 (statement)
State 55
87 statement: if_statement •
$default reduce using rule 87 (statement)
State 56
88 statement: while_statement •
$default reduce using rule 88 (statement)
State 57
89 statement: for_statement •
$default reduce using rule 89 (statement)
State 58
90 statement: with_statement •
$default reduce using rule 90 (statement)
State 59
91 statement: subprogram_call •