-
Notifications
You must be signed in to change notification settings - Fork 7
/
Copy pathLG.grm.grammar.txt
217 lines (207 loc) · 9.91 KB
/
LG.grm.grammar.txt
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
/* LG grammar */
/* Options */
/* Declarations */
0 T_ERROR <error> => error(0);
1 T_ALPHA <alpha> => firstsym({first_alpha});
2 T_LEXICAL <lexical> => firstsym({first_lexical});
3 T_IGNORE <ignore> => firstsym({first_ignore});
4 T_ESCAPE <escape> => firstsym({first_escape});
5 T_LITERAL <literal> => firstsym({first_literal});
6 T_STRING <string> => firstsym({first_string});
7 T_INTEGER <integer> ;
8 T_EOF <eof> ;
9 T_ARROW '->' => arrow();
10 T_RETURN '=>' ;
11 T_LEFTP '(' ;
12 T_RIGHTP ')' ;
13 T_PLUS '+' ;
14 T_STAR '*' ;
15 T_QUEST '?' ;
16 T_DOTS '..' ;
17 T_BAR '|' ;
18 T_DASH '-' ;
19 T_LCB '{' ;
20 T_RCB '}' ;
21 T_SEMI ';' ;
22 T_PERCENT '%%' ;
23 {first_alpha} ;
24 {first_lexical} ;
25 {first_ignore} ;
26 {first_escape} ;
27 {first_literal} ;
28 {first_string} ;
/* Operator Precedence */
/* Rules */
0 Goal
0 -> Grammar <eof>
;
1 Grammar
1 -> TokenProd...
2 -> TokenProd... PP
3 -> TokenProd... (NonterminalDef | SetDef | EscapeDef)...
4 -> TokenProd... PP (NonterminalDef | SetDef | EscapeDef)...
5 -> Options TokenProd...
6 -> Options TokenProd... PP
7 -> Options TokenProd... (NonterminalDef | SetDef | EscapeDef)...
8 -> Options TokenProd... PP (NonterminalDef | SetDef | EscapeDef)...
;
2 Options
9 -> {first_string} => PRO_OPTNS(1)
;
3 PP
10 -> '%%' => EOGI(0)
;
4 TokenProd
11 -> Token ReturnValue
12 -> Token ActionCode
;
5 Token
13 -> {first_lexical} => ADD_TOKEN(1)
14 -> {first_literal} => ADD_TOKEN2(1)
15 -> {first_string} => ADD_TOKEN2(1)
;
6 ReturnValue
16 -> <integer> => ADD_TERMNO(1)
17 -> <alpha> => ADD_DEFCON(1)
18 -> <string> => ADD_STRING(1)
;
7 ActionCode
19 -> '{' => ADD_CODE(1)
;
8 NonterminalDef
20 -> AlphaSymbol ArrowProd... [';']
21 -> LexicalSymbol ArrowProd... [';']
22 -> IgnoreSymbol ArrowProd... [';']
23 -> AlphaSymbol ArrowProd BarProd... [';']
24 -> LexicalSymbol ArrowProd BarProd... [';']
25 -> IgnoreSymbol ArrowProd BarProd... [';']
;
9 AlphaSymbol
26 -> {first_alpha} => ADD_HEAD(1)
;
10 LexicalSymbol
27 -> {first_lexical} => ADD_HEADLEX(1)
;
11 IgnoreSymbol
28 -> {first_ignore} => ADD_HEADIGNORE(1)
;
12 ArrowProd
29 -> Arrow TailExprList
;
13 Arrow
30 -> '->' => ADD_PROD()
;
14 BarProd
31 -> Bar TailExprList
;
15 Bar
32 -> '|' => ADD_PROD()
;
16 TailExprList
33 -> TailExpr... => POP_ALL()
;
17 TailExpr
34 -> TailSymbol
35 -> TailSymbol '+' => PUSH_PLUS()
36 -> TailSymbol '*' => PUSH_ASTER()
37 -> TailSymbol '?' => PUSH_QUEST()
38 -> GroupStart List GroupEnd
;
18 List
39 -> TailExpr
40 -> List TailExpr
41 -> List Or TailExpr
;
19 Or
42 -> '|' => PUSH_OR()
;
20 GroupStart
43 -> '(' => PUSH_GBEG()
;
21 GroupEnd
44 -> ')' => PUSH_GEND()
45 -> ')' '+' => PUSH_GPLUS()
46 -> ')' '*' => PUSH_GASTER()
47 -> ')' '?' => PUSH_GQUEST()
;
22 TailSymbol
48 -> <alpha> => PUSH_TAIL(1)
49 -> <escape> => PUSH_TAIL(1)
50 -> <lexical> => PUSH_TAIL(1)
51 -> <literal> => PUSH_TAIL(1)
52 -> <string> => PUSH_TAIL(1)
53 -> <integer> => PUSH_TAIL(1)
;
23 SetDef
54 -> AlphaSymbol Arrow '{' SetExpr '}' => DEF_SET()
55 -> AlphaSymbol Arrow '{' SetExpr '}' ';' => DEF_SET()
;
24 SetExpr
56 -> Range => FIRST_RANGE(1)
57 -> Character => FIRST_CHAR(1)
58 -> CharacterSetName => FIRST_SET(1)
59 -> SetExpr '|' Range => ADD_RANGE(3)
60 -> SetExpr '|' Character => ADD_CHAR(3)
61 -> SetExpr '|' CharacterSetName => ADD_SET(3)
62 -> SetExpr '-' Range => SUB_RANGE(3)
63 -> SetExpr '-' Character => SUB_CHAR(3)
64 -> SetExpr '-' CharacterSetName => SUB_SET(3)
;
25 Range
65 -> RangeStart '..' RangeEnd
;
26 RangeEnd
66 -> Character => RANGE_END(1)
;
27 RangeStart
67 -> Character => RANGE_START(1)
;
28 Character
68 -> <literal>
69 -> <string>
70 -> <integer>
;
29 CharacterSetName
71 -> <alpha>
72 -> <escape>
;
30 EscapeDef
73 -> EscapeSymbol Arrow Number
74 -> EscapeSymbol Arrow Number ';'
;
31 EscapeSymbol
75 -> {first_escape} => ADD_HEADSET(1)
;
32 Number
76 -> <integer> => FIRST_CHAR(1)
;
33 TokenProd...
77 -> TokenProd
78 -> TokenProd... TokenProd
;
34 (NonterminalDef | SetDef | EscapeDef)
79 -> NonterminalDef
80 -> SetDef
81 -> EscapeDef
;
35 (NonterminalDef | SetDef | EscapeDef)...
82 -> (NonterminalDef | SetDef | EscapeDef)
83 -> (NonterminalDef | SetDef | EscapeDef)... (NonterminalDef | SetDef | EscapeDef)
;
36 ArrowProd...
84 -> ArrowProd
85 -> ArrowProd... ArrowProd
;
37 [';']
86 ->
87 -> ';'
;
38 BarProd...
88 -> BarProd
89 -> BarProd... BarProd
;
39 TailExpr...
90 -> TailExpr
91 -> TailExpr... TailExpr
;
/* End of LG grammar */