-
Notifications
You must be signed in to change notification settings - Fork 5
/
parser
405 lines (388 loc) · 11.2 KB
/
parser
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
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
;;;################################################################
;;;
;;; PARSER - setup file for parsing system in programmar
;;;
;;;################################################################
(defun setup (gram-num date)
(suspend)
(cursorpos 'c)
(terpri)
(princ 'shrdlu/'/s/ P/a/r/s/e/r/ / / )
(princ '/u/s/i/n/g/ /g/r/a/m/m/a/r/ )
(princ gram-num)
(terpri)
(princ date)
(princ '/ / lisp/ )
(princ (status lispversion))
(terpri)
(terpri)
(say this is a read-eval-print loop)
(say type "go/ " to enter ready state)
(catch (ert) abort-parser)
(sstatus toplevel '(parser))
(parser))
(setq makeintern t ;;; switch for interning the atoms created
;;; for the node structure
sh-standard-printout nil ;;; switch for evaluating display functions
;;; in the function SHSTPO (the SHOW file)
sh-afteranswer-pause t ;;; switch for causing a break after each
;;; sentence is processed.
)
(setq annoyance t ;;; turns off the [1] printouts in SHRDLU
smn t ;;; turns off evaluation by real smn-fns
)
(setq car t cdr t ;;; annoying patch to keep *RSET happy
)
(DEFUN parser NIL
(PROG (ERT-TIME END AMB TIMAMB BOTH BACKREF BACKREF2 ANSNAME
LASTREL WHO PT PTW SENT PUNCT IGNORE H N NB FE SM RE
MES MESP C CUT CURTIME STATE GLOBAL-MESSAGE LEVEL
P-TIME SMN-TIME PLNR-TIME ANS-TIME ANS-PLNR-TIME
SH-GCTIME)
(CLEANOUT TSS EVX NODE ANS OSS RSS X) ;FLUSH OLD GENSYMS
CATCH-LOOP
(CATCH
(PROG NIL
LOOP (SETQ SENTNO (ADD1 SENTNO)
PARSINGS 0.
LEVEL 0.
LASTSENTNO (ADD1 LASTSENTNO)
LASTSENT C
GLOBAL-MESSAGE NIL
MES 'NOPE
BACKREF NIL ;???????????????????
RUNTIME (RUNTIME)
SH-GCTIME (STATUS GCTIME)
PLNR-TIME 0.
ANS-PLNR-TIME 0.
SMN-TIME 0.
ERT-TIME 0.)
UP (SETQ N (SETQ SENT (ETAOIN)))
(OR ANNOYANCE (PRINT *1))
(AND ^Q (%))
(IOC S)
(AND IGNORE (GO UP))
;;;
(COND
((AND
(COND
(TOPLEVEL-ERRSET?
(ERRSET
(SETQ PT (SETQ C (PARSEVAL PARSEARGS)))))
(T (SETQ PT (SETQ C (PARSEVAL PARSEARGS)))))
C)
(OR ANNOYANCE (PRINT *2))
(SETQ FE (FE C))
(SETQ NB SENT)
(SETQ H (H C))
(SETQ INTERPRETATION (SM C))
(terpri)
(princ 'time/ spent/ parsing/ )
(princ p-time))
((PRINT *3)
(APPLY 'SAY
(OR GLOBAL-MESSAGE
'(I DON/'T UNDERSTAND/.)))))
(AND MOBYTEST-IN-PROGRESS (AFTER-EACH-SENTENCE))
(AND SH-STANDARD-PRINTOUT (SHSTPO))
(AND SH-AFTERANSWER-PAUSE (ERT))
(GO LOOP))
ABORT-PARSER)
(GO CATCH-LOOP)))
(DEFUN ETAOIN NIL
;;; has a patch added to permit online definition
;;; of an unknown word's syntactic features
;;;
(PROG (WORD NEWWORD CHAR ALTN ALREADY-BLGING-NEWWRD WRD LAST features
NEXT Y WORD1 X RD POSS)
THRU (SETQ SENT (SETQ WORD (SETQ PUNCT (SETQ POSS NIL))))
(PRINT 'READY)
(TERPRI)
(AND MOBYREAD (IOC Q))
CHAR (COND ((EQUAL (TYIPEEK) 24.) (READCH) (ERT) (GO THRU)); "cntrl-x" break
;left over from CMU
((= (tyipeek) 3.)
(or (and mobyread (end-of-file-condition))
(bug etaoin: about to read eof)) )
)
(setq char (cond ((greaterp 123. (setq char (tyi)) 96.) (- char 32.))
((greaterp 91. char 64.) char)
(t char))
char (ascii char)
;;this little hack maps all lowercase letters into uppercase.
;;a more reasonable thing to do would be to hack the chtrans
;;property of the current readtable, but this was quicker to
;;patch.
)
(cond ((EQ char '/ ) (GO WORD)) ;DELIMITER
((MEMQ CHAR ALTMODE)
(setq char (ascii (uppercase-ify-char (tyi))) )
(COND ((MEMQ char ALTMODE)
(ERT)
(GO THRU))
;ALTMODE-ALTMODE
((EQ CHAR 'C) (TYO 12.) (GO DO))
;ALTMODE-C
((EQ CHAR 'R) (TERPRI) (GO DO))
;ALTMODE-R
((AND (EQ CHAR 'S) SAVESENT)
;ALTMODE-S CAUSES THE LAST SENTENCE TYPED IN TO
(SETQ SENT (CAR SAVESENT))
;RETURNED AS THE SENTENCE TO BE INTERPRETED
(SETQ PUNCT (CDR SAVESENT))
(%)
(RETURN SENT))
((EQ CHAR 'N)
(SETQ NEWWORD (NOT NEWWORD)
ALTN (NOT ALTN))
(GO CHAR))
;ALTMODE-N COMPLEMENTS THE NEWWORD FLAG, WHICH
((EQ CHAR 'Q)
;DETERMINES WHETHER UNRECOGNIZED WORDS WILL BE
(IOC Q)
;CONSIDERED SPELLING ERRORS OR NEW WORDS.
(SETQ IGNORE NIL)
(GO THRU))
;ALTMODE-Q CAUSES READIN FROM DISK FILE.
((EQ CHAR 'M)
(IOC Q)
(SETQ IGNORE NIL MOBYREAD T)
(GO thru))
((EQ CHAR 'I)
(SETQ IGNORE T)
(IOC Q)
(GO THRU))
;ALTMODE-I IGNORES SENTENCE READ FROM FILE.
((GO THRU))))
((EQ CHAR RUBOUT)
(COND (WORD (PRINC (CAR WORD))
(SETQ WORD (CDR WORD)))
(SENT (PRINT (CAR SENT))
(SETQ SENT (CDR SENT))))
(GO CHAR))
((EQ CHAR CARRET) (GO WORD))
((MEMQ CHAR PUNCL)
(SETQ PUNCT CHAR)
;DELIMITER
(AND WORD (GO WORD))
(GO PUNC)))
(AND
(OR (AND (EQ CHAR '")
(NOT ALREADY-BLGING-NEWRD)
(SETQ NEWWORD (SETQ ALREADY-BLGING-NEWRD T))
(GO CHAR))
(AND (EQ CHAR '")
ALREaDY-BLGING-NEWRD
(NOT (SETQ ALREADY-BLGING-NEWRD NIL))
(GO WORD))
;WITHIN THIS "AND" ARE ALL THE CHARACTERS THAT
(NUMBERP CHAR)
;ARE UNDERSTOOD BY THE SYSTEM
(AND (EQ CHAR '=) (NULL WORD))
(MEMQ CHAR VOWEL)
(MEMQ CHAR CONSO))
(SETQ WORD (CONS CHAR WORD)))
(GO CHAR)
DO (PRINT 'READY)
(TERPRI)
(MAPC (FUNCTION (LAMBDA (X) (PRINT2 X))) (REVERSE SENT))
(PRINC '/ )
(MAPC (FUNCTION PRINC) (REVERSE WORD))
(GO CHAR)
WORD (COND ((NULL WORD) (GO CHAR))
((EQUAL WORD '(P L E H)) (HELP) (GO THRU))
((AND (SETQ WRD (ERRSET (READLIST (REVERSE WORD))))
(NUMBERP (SETQ WRD (CAR WRD))))
(SETQ SENT (CONS WRD SENT))
(BUILDWORD WRD
(OR (AND (ZEROP (SUB1 WRD))
'(NUM NS))
'(NUM))
(LIST 'NUM WRD)
NIL))
;NO ROOT FOR NUMBERS
((NULL WRD) (SETQ WRD (REVERSE WORD)) (GO NO))
((GET WRD 'FEATURES))
;IF A WORD HAS FEATURES, IT'S PROPERTIES
((SETQ X (GET WRD 'IRREGULAR))
;ARE ALL SET UP IN THE DICTIONARY
(BUILDWORD WRD
(MOD (GET (CAR X) 'FEATURES)
(CDR X))
(SM X)
(CAR X)))
((EQ (CAR (LAST WORD)) '=)
(BUILDWORD WRD
(COND ((MEMQ '" WORD)
'(PROPN NS POSS))
('(PROPN NS)))
'((PROPN T))
NIL))
((GO CUT)))
(GO WRD)
;;;---------------------------------------------
;;; MORPHOLOGY CODE
;;;--------------------------------------------
CUT (COND ((STA WORD '(T " N))
(SETQ RD (CDDDR WORD))
(SETQ WORD (CONS '* WORD))
(GO TRY))
((STA WORD '(S "))
(SETQ WORD (CDDR WORD))
(SETQ POSS WRD)
(GO WORD))
((STA WORD '("))
(SETQ WORD (CDR WORD))
(SETQ POSS WRD)
(GO WORD))
((STA WORD '(Y L))
(SETQ RD (CDDR WORD))
(GO LY))
((STA WORD '(G N I)) (SETQ RD (CDDDR WORD)))
((STA WORD '(D E)) (SETQ RD (CDDR WORD)))
((STA WORD '(N E)) (SETQ RD (CDDR WORD)))
((STA WORD '(R E)) (SETQ RD (CDDR WORD)))
((STA WORD '(T S E)) (SETQ RD (CDDDR WORD)))
((STA WORD '(S))
(SETQ RD (CDR WORD))
(GO SIB))
(T (GO NO)))
(SETQ LAST (CAR RD))
(SETQ NEXT (CADR RD))
(COND ((AND (MEMQ LAST CONSO)
(NOT (MEMQ LAST LIQUID))
(EQ LAST NEXT))
(SETQ RD (CDR RD)))
((EQ LAST 'I)
(SETQ RD (CONS 'Y (CDR RD))))
((OR (AND (MEMQ LAST CONSO)
(MEMQ NEXT VOWEL)
(NOT (EQ NEXT 'E))
(MEMQ (CADDR RD) CONSO))
(AND (MEMQ LAST LIQUID)
(MEMQ NEXT CONSO)
(NOT (MEMQ NEXT LIQUID)))
(AND (EQ LAST 'H) (EQ NEXT 'T))
(AND (MEMQ LAST '(C G S J V Z))
(OR (MEMQ NEXT LIQUID)
(AND (MEMQ NEXT VOWEL)
(MEMQ (CADDR RD) VOWEL)))))
(SETQ RD (CONS 'E RD))))
(GO TRY)
LY (COND ((AND (MEMQ (CAR RD) VOWEL)
(NOT (EQ (CAR RD) 'E))
(MEMQ (CADR RD) CONSO))
(SETQ RD (CONS 'E RD))))
(COND ((MEMQ 'ADJ
(GET (SETQ ROOT (READLIST (REVERSE RD)))
'FEATURES))
(BUILDWORD WRD
'(ADV VBAD)
NIL
;TEMP NIL SEMANTICS
ROOT)
;ROOT IS THE ADJECTIVE
(GO WRD)))
(GO NO)
SIB (SETQ LAST (CAR RD))
(SETQ NEXT (CADR RD))
(COND ((NOT (EQ LAST 'E)))
((EQ NEXT 'I)
(SETQ RD (CONS 'Y (CDDR RD))))
((EQ NEXT 'X) (SETQ RD (CDR RD)))
((AND (EQ NEXT 'H)
(NOT (EQ (CADDR RD) 'T)))
(SETQ RD (CDR RD)))
((AND (MEMQ NEXT '(S Z))
(EQ NEXT (CADDR RD)))
(SETQ RD (CDDR RD))))
TRY (COND
((OR
(SETQ FEATURES
(GET (SETQ ROOT (READLIST (REVERSE RD)))
'FEATURES))
(AND (SETQ X (GET ROOT 'IRREGULAR))
(SETQ FEATURES
(MOD (GET (SETQ ROOT (CAR X))
'FEATURES)
(CDR X)))))
(BUILDWORD WRD
(MOD FEATURES (GET (CAR WORD) 'MOD))
(GET ROOT 'SEMANTICS)
ROOT))
((EQ (CAR RD) 'E) (SETQ RD (CDR RD)) (GO TRY))
((GO NO)))
;;;----------------------------------------------------
;;; BUILD UP THE PROCESSED LIST OF WORDS TO BE RETURNED
;;;----------------------------------------------------
WRD (SETQ
SENT
(COND (POSS (COND ((OR (MEMQ 'NOUN
(SETQ FEATURES
(GET WRD
'FEATURES)))
;IF IT'S A NOUN
(MEMQ 'PROPN FEATURES))
;OR A PROPER NOUN
(BUILDWORD POSS
(APPEND (MEET FEATURES
;MARK IT AS POSSESSIVE
(GET 'POSS
'ELIM))
'(POSS))
(GET WRD
'SEMANTICS)
ROOT)
(CONS POSS SENT))
((BUILDWORD '"S
; CAN WE GENERALIZE IT???
'(VB BE V3PS PRES)
(GET 'BE
'SEMANTICS)
'BE)
(CONS '"S (CONS WRD SENT)))))
((CONS WRD SENT))))
PUNC (COND
(PUNCT (COND ((AND (EQ PUNCT '?) (NULL SENT))
(HELP)
(GO THRU))
((MEMQ PUNCT FINAL)
(RETURN (CAR (SETQ SAVESENT
(CONS (REVERSE SENT)
;RETURN POINT !!!!!!!!!!!!!
PUNCT)))))
((SETQ SENT (CONS PUNCT SENT))))))
(SETQ PUNCT NIL)
(SETQ WORD (SETQ POSS NIL))
(GO CHAR)
NO (COND (NEWWORD (BUILDWORD WRD
'(NOUN NS)
'((NOUN (SMNEWNOUN))
(PROPN (SMNEWPROPN)))
WRD)
(OR ALTN (SETQ NEWWORD NIL))
(GO PUNC)))
(TERPRI)
(SAY *SORRY I DON/'T KNOW THE WORD ")
(PRINC WRD)
(PRINC '/ "/.)
(TERPRI)
(cond (define-online
(terpri)
(say what are its syntactic features?)
(setq features (read))
(buildword wrd features 'dummy wrd)
(terpri)
(mapc '(lambda (w) (print2 w)) (reverse sent))
(print2 wrd)
(princ '/ )
(go char)
))
(SAY PLEASE TYPE <LF> AND CONTINUE THE SENTENCE/.)
NOGO (OR (EQUAL (TYI) 10.) (GO NOGO))
(SETQ PUNCT NIL WORD NIL)
(GO DO)))
(defun build fexpr (foo)
;;; this is a semantic function which packages
;;; semantic nodes.
t )