rustlr 0.2.1

LR(1)/LALR(1) parser generator for rust
Documentation 
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
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244

trace-level set to 2
parsing grammar from ../class-resources/cplusminus/cpm.grammar
Generating LALR state machine for grammar cpm...
state 0:
  (1) STATLIST --> .STATLIST STAT , cout
  (3) STAT --> .cout << EXPRLIST ; , EOF
  (1) STATLIST --> .STATLIST STAT , cin
  (10) STAT --> .ERROR ; , ERROR
  (0) STATLIST --> .STAT , EOF
  (2) STAT --> .cin >> EXPR ; , cout
  (13) START --> .STATLIST , EOF
  (1) STATLIST --> .STATLIST STAT , ERROR
  (3) STAT --> .cout << EXPRLIST ; , ERROR
  (2) STAT --> .cin >> EXPR ; , cin
  (10) STAT --> .ERROR ; , cin
  (10) STAT --> .ERROR ; , cout
  (2) STAT --> .cin >> EXPR ; , ERROR
  (0) STATLIST --> .STAT , ERROR
  (10) STAT --> .ERROR ; , EOF
  (2) STAT --> .cin >> EXPR ; , EOF
  (0) STATLIST --> .STAT , cout
  (0) STATLIST --> .STAT , cin
  (3) STAT --> .cout << EXPRLIST ; , cout
  (3) STAT --> .cout << EXPRLIST ; , cin
  (1) STATLIST --> .STATLIST STAT , EOF
state 1:
  (3) STAT --> .cout << EXPRLIST ; , cin
  (1) STATLIST --> STATLIST .STAT , cin
  (2) STAT --> .cin >> EXPR ; , cin
  (1) STATLIST --> STATLIST .STAT , EOF
  (10) STAT --> .ERROR ; , cout
  (10) STAT --> .ERROR ; , ERROR
  (2) STAT --> .cin >> EXPR ; , EOF
  (3) STAT --> .cout << EXPRLIST ; , cout
  (1) STATLIST --> STATLIST .STAT , cout
  (3) STAT --> .cout << EXPRLIST ; , ERROR
  (3) STAT --> .cout << EXPRLIST ; , EOF
  (1) STATLIST --> STATLIST .STAT , ERROR
  (13) START --> STATLIST . , EOF
  (2) STAT --> .cin >> EXPR ; , ERROR
  (2) STAT --> .cin >> EXPR ; , cout
  (10) STAT --> .ERROR ; , EOF
  (10) STAT --> .ERROR ; , cin
state 2:
  (3) STAT --> cout .<< EXPRLIST ; , cout
  (3) STAT --> cout .<< EXPRLIST ; , cin
  (3) STAT --> cout .<< EXPRLIST ; , EOF
  (3) STAT --> cout .<< EXPRLIST ; , ERROR
state 3:
  (10) STAT --> ERROR .; , cin
  (10) STAT --> ERROR .; , EOF
  (10) STAT --> ERROR .; , cout
  (10) STAT --> ERROR .; , ERROR
state 4:
  (0) STATLIST --> STAT . , EOF
  (0) STATLIST --> STAT . , cout
  (0) STATLIST --> STAT . , cin
  (0) STATLIST --> STAT . , ERROR
state 5:
  (2) STAT --> cin .>> EXPR ; , ERROR
  (2) STAT --> cin .>> EXPR ; , cin
  (2) STAT --> cin .>> EXPR ; , EOF
  (2) STAT --> cin .>> EXPR ; , cout
state 6:
  (1) STATLIST --> STATLIST STAT . , cin
  (1) STATLIST --> STATLIST STAT . , ERROR
  (1) STATLIST --> STATLIST STAT . , cout
  (1) STATLIST --> STATLIST STAT . , EOF
state 7:
  (3) STAT --> cout << .EXPRLIST ; , cin
  (6) EXPR --> .z , ERROR
  (4) EXPR --> .x , ;
  (5) EXPR --> .y , ;
  (5) EXPR --> .y , <<
  (5) EXPR --> .y , ERROR
  (7) EXPR --> .( EXPR ) , ;
  (3) STAT --> cout << .EXPRLIST ; , EOF
  (12) EXPR --> .EXPR ERROR ) , <<
  (11) EXPR --> .( EXPR ERROR , ;
  (9) EXPRLIST --> .EXPRLIST << EXPR , ;
  (8) EXPRLIST --> .EXPR , ;
  (4) EXPR --> .x , ERROR
  (7) EXPR --> .( EXPR ) , <<
  (4) EXPR --> .x , <<
  (6) EXPR --> .z , ;
  (3) STAT --> cout << .EXPRLIST ; , cout
  (11) EXPR --> .( EXPR ERROR , ERROR
  (7) EXPR --> .( EXPR ) , ERROR
  (3) STAT --> cout << .EXPRLIST ; , ERROR
  (8) EXPRLIST --> .EXPR , <<
  (12) EXPR --> .EXPR ERROR ) , ERROR
  (12) EXPR --> .EXPR ERROR ) , ;
  (9) EXPRLIST --> .EXPRLIST << EXPR , <<
  (6) EXPR --> .z , <<
  (11) EXPR --> .( EXPR ERROR , <<
state 8:
  (10) STAT --> ERROR ; . , cout
  (10) STAT --> ERROR ; . , ERROR
  (10) STAT --> ERROR ; . , EOF
  (10) STAT --> ERROR ; . , cin
state 9:
  (4) EXPR --> .x , ERROR
  (7) EXPR --> .( EXPR ) , ;
  (2) STAT --> cin >> .EXPR ; , EOF
  (2) STAT --> cin >> .EXPR ; , cout
  (4) EXPR --> .x , ;
  (2) STAT --> cin >> .EXPR ; , ERROR
  (6) EXPR --> .z , ;
  (2) STAT --> cin >> .EXPR ; , cin
  (12) EXPR --> .EXPR ERROR ) , ERROR
  (11) EXPR --> .( EXPR ERROR , ERROR
  (5) EXPR --> .y , ;
  (11) EXPR --> .( EXPR ERROR , ;
  (12) EXPR --> .EXPR ERROR ) , ;
  (5) EXPR --> .y , ERROR
  (7) EXPR --> .( EXPR ) , ERROR
  (6) EXPR --> .z , ERROR
state 10:
  (3) STAT --> cout << EXPRLIST .; , ERROR
  (9) EXPRLIST --> EXPRLIST .<< EXPR , ;
  (3) STAT --> cout << EXPRLIST .; , cin
  (9) EXPRLIST --> EXPRLIST .<< EXPR , <<
  (3) STAT --> cout << EXPRLIST .; , cout
  (3) STAT --> cout << EXPRLIST .; , EOF
state 11:
  (6) EXPR --> z . , ERROR
  (6) EXPR --> z . , <<
  (6) EXPR --> z . , ;
  (6) EXPR --> z . , )
state 12:
  (4) EXPR --> x . , ;
  (4) EXPR --> x . , ERROR
  (4) EXPR --> x . , )
  (4) EXPR --> x . , <<
state 13:
  (5) EXPR --> y . , ERROR
  (5) EXPR --> y . , ;
  (5) EXPR --> y . , )
  (5) EXPR --> y . , <<
state 14:
  (7) EXPR --> ( .EXPR ) , <<
  (7) EXPR --> ( .EXPR ) , ERROR
  (6) EXPR --> .z , )
  (5) EXPR --> .y , ERROR
  (7) EXPR --> ( .EXPR ) , )
  (7) EXPR --> .( EXPR ) , ERROR
  (4) EXPR --> .x , )
  (11) EXPR --> ( .EXPR ERROR , ;
  (11) EXPR --> ( .EXPR ERROR , )
  (11) EXPR --> ( .EXPR ERROR , ERROR
  (11) EXPR --> .( EXPR ERROR , ERROR
  (4) EXPR --> .x , ERROR
  (7) EXPR --> .( EXPR ) , )
  (7) EXPR --> ( .EXPR ) , ;
  (6) EXPR --> .z , ERROR
  (12) EXPR --> .EXPR ERROR ) , )
  (12) EXPR --> .EXPR ERROR ) , ERROR
  (5) EXPR --> .y , )
  (11) EXPR --> ( .EXPR ERROR , <<
  (11) EXPR --> .( EXPR ERROR , )
state 15:
  (12) EXPR --> EXPR .ERROR ) , ERROR
  (8) EXPRLIST --> EXPR . , ;
  (12) EXPR --> EXPR .ERROR ) , <<
  (8) EXPRLIST --> EXPR . , <<
  (12) EXPR --> EXPR .ERROR ) , ;
state 16:
  (2) STAT --> cin >> EXPR .; , cout
  (2) STAT --> cin >> EXPR .; , ERROR
  (2) STAT --> cin >> EXPR .; , EOF
  (12) EXPR --> EXPR .ERROR ) , ERROR
  (12) EXPR --> EXPR .ERROR ) , ;
  (2) STAT --> cin >> EXPR .; , cin
state 17:
  (3) STAT --> cout << EXPRLIST ; . , ERROR
  (3) STAT --> cout << EXPRLIST ; . , EOF
  (3) STAT --> cout << EXPRLIST ; . , cin
  (3) STAT --> cout << EXPRLIST ; . , cout
state 18:
  (4) EXPR --> .x , ERROR
  (5) EXPR --> .y , ;
  (6) EXPR --> .z , ;
  (6) EXPR --> .z , ERROR
  (6) EXPR --> .z , <<
  (11) EXPR --> .( EXPR ERROR , ;
  (12) EXPR --> .EXPR ERROR ) , ;
  (11) EXPR --> .( EXPR ERROR , <<
  (4) EXPR --> .x , ;
  (7) EXPR --> .( EXPR ) , ERROR
  (9) EXPRLIST --> EXPRLIST << .EXPR , <<
  (11) EXPR --> .( EXPR ERROR , ERROR
  (4) EXPR --> .x , <<
  (7) EXPR --> .( EXPR ) , <<
  (9) EXPRLIST --> EXPRLIST << .EXPR , ;
  (7) EXPR --> .( EXPR ) , ;
  (12) EXPR --> .EXPR ERROR ) , <<
  (5) EXPR --> .y , ERROR
  (5) EXPR --> .y , <<
  (12) EXPR --> .EXPR ERROR ) , ERROR
state 19:
  (7) EXPR --> ( EXPR .) , <<
  (7) EXPR --> ( EXPR .) , ERROR
  (11) EXPR --> ( EXPR .ERROR , ERROR
  (11) EXPR --> ( EXPR .ERROR , )
  (12) EXPR --> EXPR .ERROR ) , )
  (11) EXPR --> ( EXPR .ERROR , ;
  (12) EXPR --> EXPR .ERROR ) , ERROR
  (11) EXPR --> ( EXPR .ERROR , <<
  (7) EXPR --> ( EXPR .) , )
  (7) EXPR --> ( EXPR .) , ;
state 20:
  (12) EXPR --> EXPR ERROR .) , <<
  (12) EXPR --> EXPR ERROR .) , ;
  (12) EXPR --> EXPR ERROR .) , ERROR
state 21:
  (2) STAT --> cin >> EXPR ; . , cin
  (2) STAT --> cin >> EXPR ; . , ERROR
  (2) STAT --> cin >> EXPR ; . , EOF
  (2) STAT --> cin >> EXPR ; . , cout
state 22:
  (12) EXPR --> EXPR .ERROR ) , <<
  (9) EXPRLIST --> EXPRLIST << EXPR . , <<
  (9) EXPRLIST --> EXPRLIST << EXPR . , ;
  (12) EXPR --> EXPR .ERROR ) , ERROR
  (12) EXPR --> EXPR .ERROR ) , ;
state 23:
  (7) EXPR --> ( EXPR ) . , )
  (7) EXPR --> ( EXPR ) . , ERROR
  (7) EXPR --> ( EXPR ) . , ;
  (7) EXPR --> ( EXPR ) . , <<
state 24:
  (11) EXPR --> ( EXPR ERROR . , ;
  (12) EXPR --> EXPR ERROR .) , )
  (11) EXPR --> ( EXPR ERROR . , <<
  (12) EXPR --> EXPR ERROR .) , ERROR
  (11) EXPR --> ( EXPR ERROR . , ERROR
  (11) EXPR --> ( EXPR ERROR . , )
state 25:
  (12) EXPR --> EXPR ERROR ) . , ;
  (12) EXPR --> EXPR ERROR ) . , ERROR
  (12) EXPR --> EXPR ERROR ) . , )
  (12) EXPR --> EXPR ERROR ) . , <<
26 total states
written parser to cpmparser.rs