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
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
|
package provide DS9 1.0
######
# Begin autogenerated taccle (version 1.3) routines.
# Although taccle itself is protected by the GNU Public License (GPL)
# all user-supplied functions are protected by their respective
# author's license. See http://mini.net/tcl/taccle for other details.
######
namespace eval fits {
variable yylval {}
variable table
variable rules
variable token {}
variable yycnt 0
variable yyerr 0
variable save_state 0
namespace export yylex
}
proc fits::YYABORT {} {
return -code return 1
}
proc fits::YYACCEPT {} {
return -code return 0
}
proc fits::YYERROR {} {
variable yyerr
set yyerr 1
}
proc fits::yyclearin {} {
variable token
variable yycnt
set token {}
incr yycnt -1
}
proc fits::yyerror {s} {
puts stderr $s
}
proc fits::setupvalues {stack pointer numsyms} {
upvar 1 1 y
set y {}
for {set i 1} {$i <= $numsyms} {incr i} {
upvar 1 $i y
set y [lindex $stack $pointer]
incr pointer
}
}
proc fits::unsetupvalues {numsyms} {
for {set i 1} {$i <= $numsyms} {incr i} {
upvar 1 $i y
unset y
}
}
array set fits::table {
0:257 reduce
0:258 reduce
0:260 reduce
0:259 shift
5:0,target 7
9:0 reduce
0:261 goto
6:260,target 9
11:0 reduce
0:262 goto
4:257 shift
4:258 shift
0:264 goto
1:260,target 9
4:260 shift
6:257 shift
7:263,target 11
6:260 shift
4:263 goto
6:263 goto
6:0,target 6
2:0 accept
1:258,target 9
6:0 reduce
6:257,target 5
0:264,target 4
4:260,target 7
7:0,target 6
1:257,target 9
12:0 reduce
0:0,target 8
10:0,target 3
4:258,target 6
9:257,target 5
8:0,target 2
3:0 reduce
1:0,target 9
11:0,target 4
0:262,target 3
4:257,target 5
7:0 reduce
1:257 reduce
1:258 reduce
1:260 reduce
9:0,target 6
0:261,target 2
7:257 shift
2:0,target 0
12:0,target 5
9:257 shift
7:257,target 5
0:0 reduce
7:263 goto
0:260,target 8
0:259,target 1
9:263 goto
4:0 reduce
6:263,target 10
3:0,target 1
8:0 reduce
10:0 reduce
0:258,target 8
9:263,target 12
4:0,target 6
0:257,target 8
1:0 reduce
4:263,target 8
5:0 reduce
}
array set fits::rules {
9,l 264
2,l 262
6,l 263
3,l 262
7,l 263
0,l 265
4,l 262
8,l 264
1,l 261
5,l 262
}
array set fits::rules {
5,dc 4
0,dc 1
8,dc 0
3,dc 3
6,dc 0
1,dc 1
9,dc 1
4,dc 3
7,dc 1
2,dc 2
}
array set fits::rules {
7,line 29
4,line 24
1,line 19
9,line 33
6,line 28
3,line 23
8,line 32
5,line 25
2,line 22
}
array set fits::lr1_table {
0 {{0 0 0} {1 0 0} {2 0 0} {3 0 0} {4 0 0} {5 0 0} {8 {0 257 258 260} 0} {9 {0 257 258 260} 0}}
1 {{9 {0 257 258 260} 1}}
2 {{0 0 1}}
3 {{1 0 1}}
4 {{2 0 1} {3 0 1} {4 0 1} {5 0 1} {6 0 0} {7 0 0}}
0,trans {{259 1} {261 2} {262 3} {264 4}}
1,trans {}
5 {{7 0 1}}
2,trans {}
6 {{3 0 2} {5 0 2} {6 0 0} {7 0 0}}
3,trans {}
7 {{4 0 2} {6 0 0} {7 0 0}}
4,trans {{257 5} {258 6} {260 7} {263 8}}
8 {{2 0 2}}
10 {{3 0 3}}
9 {{5 0 3} {6 0 0} {7 0 0}}
5,trans {}
11 {{4 0 3}}
6,trans {{257 5} {260 9} {263 10}}
12 {{5 0 4}}
7,trans {{257 5} {263 11}}
8,trans {}
10,trans {}
9,trans {{257 5} {263 12}}
11,trans {}
12,trans {}
}
array set fits::token_id_table {
264,line 31
262,title {}
0,t 0
0 {$}
263,title {}
264,title {}
error,t 0
error error
265,title {}
258,line 11
261,line 18
error,line 16
257 STRING_
257,t 0
263,line 27
258 MASK_
258,t 0
error,title {}
260,t 0
260 SLICE_
259 NEW_
259,t 0
265,line 34
261,t 1
261 command
262,t 1
262 fits
257,line 7
263,t 1
263 filename
264,t 1
264 new
260,line 13
257,title string
259,line 12
265,t 1
265 start'
258,title MASK
262,line 21
260,title SLICE
259,title NEW
261,title {}
}
proc fits::yyparse {} {
variable yylval
variable table
variable rules
variable token
variable yycnt
variable lr1_table
variable token_id_table
variable yyerr
variable save_state
set yycnt 0
set state_stack {0}
set value_stack {{}}
set token ""
set accepted 0
set yyerr 0
set save_state 0
while {$accepted == 0} {
set state [lindex $state_stack end]
if {$token == ""} {
set yylval ""
set token [yylex]
set buflval $yylval
if {$token>0} {
incr yycnt
}
}
if {![info exists table($state:$token)] || $yyerr} {
if {!$yyerr} {
set save_state $state
}
# pop off states until error token accepted
while {[llength $state_stack] > 0 && \
![info exists table($state:error)]} {
set state_stack [lrange $state_stack 0 end-1]
set value_stack [lrange $value_stack 0 \
[expr {[llength $state_stack] - 1}]]
set state [lindex $state_stack end]
}
if {[llength $state_stack] == 0} {
set rr { }
if {[info exists lr1_table($save_state,trans)] && [llength $lr1_table($save_state,trans)] >= 1} {
foreach trans $lr1_table($save_state,trans) {
foreach {tok_id nextstate} $trans {
set ss $token_id_table($tok_id,title)
if {$ss != {}} {
append rr "$ss, "
}
}
}
}
set rr [string trimleft $rr { }]
set rr [string trimright $rr {, }]
yyerror "parse error, expecting: $rr"
return 1
}
lappend state_stack [set state $table($state:error,target)]
lappend value_stack {}
# consume tokens until it finds an acceptable one
while {![info exists table($state:$token)]} {
if {$token == 0} {
yyerror "end of file while recovering from error"
return 1
}
set yylval {}
set token [yylex]
set buflval $yylval
}
continue
}
switch -- $table($state:$token) {
shift {
lappend state_stack $table($state:$token,target)
lappend value_stack $buflval
set token ""
}
reduce {
set rule $table($state:$token,target)
set ll $rules($rule,l)
if {[info exists rules($rule,e)]} {
set dc $rules($rule,e)
} else {
set dc $rules($rule,dc)
}
set stackpointer [expr {[llength $state_stack]-$dc}]
setupvalues $value_stack $stackpointer $dc
set _ $1
set yylval [lindex $value_stack end]
switch -- $rule {
2 { FitsCmdLoad $2 {} {} }
3 { FitsCmdLoad $3 mask {} }
4 { FitsCmdLoad $3 {} slice }
5 { FitsCmdLoad $4 mask slice }
6 { set _ {} }
7 { set _ $1 }
9 { CreateFrame }
}
unsetupvalues $dc
# pop off tokens from the stack if normal rule
if {![info exists rules($rule,e)]} {
incr stackpointer -1
set state_stack [lrange $state_stack 0 $stackpointer]
set value_stack [lrange $value_stack 0 $stackpointer]
}
# now do the goto transition
lappend state_stack $table([lindex $state_stack end]:$ll,target)
lappend value_stack $_
}
accept {
set accepted 1
}
goto -
default {
puts stderr "Internal parser error: illegal command $table($state:$token)"
return 2
}
}
}
return 0
}
######
# end autogenerated taccle functions
######
proc fits::yyerror {msg} {
variable yycnt
variable yy_current_buffer
variable index_
ParserError $msg $yycnt $yy_current_buffer $index_
}
|