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616915dd | 1 | /* |
11db3170 | 2 | ** Splint - annotation-assisted static program checker |
c59f5181 | 3 | ** Copyright (C) 1994-2003 University of Virginia, |
616915dd | 4 | ** Massachusetts Institute of Technology |
5 | ** | |
6 | ** This program is free software; you can redistribute it and/or modify it | |
7 | ** under the terms of the GNU General Public License as published by the | |
8 | ** Free Software Foundation; either version 2 of the License, or (at your | |
9 | ** option) any later version. | |
10 | ** | |
11 | ** This program is distributed in the hope that it will be useful, but | |
12 | ** WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | ** General Public License for more details. | |
15 | ** | |
16 | ** The GNU General Public License is available from http://www.gnu.org/ or | |
17 | ** the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
18 | ** MA 02111-1307, USA. | |
19 | ** | |
155af98d | 20 | ** For information on splint: info@splint.org |
21 | ** To report a bug: splint-bug@splint.org | |
11db3170 | 22 | ** For more information: http://www.splint.org |
616915dd | 23 | */ |
24 | /* | |
25 | ** lslinit.c | |
26 | ** | |
27 | ** Processor for Larch Shared Language Init Files | |
28 | */ | |
29 | ||
1b8ae690 | 30 | # include "splintMacros.nf" |
b73d1009 | 31 | # include "basic.h" |
616915dd | 32 | # include "gram.h" |
33 | # include "lclscan.h" | |
34 | # include "scanline.h" | |
35 | # include "lclscanline.h" | |
36 | # include "lcltokentable.h" | |
37 | # include "lclsyntable.h" | |
38 | # include "lslinit.h" | |
39 | # include "lclinit.h" | |
40 | # include "shift.h" | |
41 | ||
42 | # if 0 | |
43 | /*@notfunction@*/ | |
44 | # define TRACE(rule) printf ("Reducing: %s\n", rule) | |
45 | # else | |
46 | /*@notfunction@*/ | |
47 | # define TRACE(rule) | |
48 | # endif | |
49 | ||
50 | static /*@dependent@*/ ltoken nextToken; | |
51 | static void InitLines (void) /*@modifies nextToken@*/ ; | |
52 | static void InitLine (void) /*@modifies nextToken@*/; | |
53 | static void Classification (void) /*@modifies nextToken@*/; | |
54 | static void CharClass (void) /*@modifies nextToken@*/; | |
55 | ||
56 | static void EndCommentChars (void) /*@modifies nextToken@*/ ; | |
57 | static void IdChars (void) /*@modifies nextToken@*/ ; | |
58 | static void OpChars (void) /*@modifies nextToken@*/ ; | |
59 | static void ExtensionChar (void) /*@modifies nextToken@*/ ; | |
60 | static void SingChars (void) /*@modifies nextToken@*/ ; | |
61 | static void WhiteChars (void) /*@modifies nextToken@*/ ; | |
62 | static void EndCommentChar (void) /*@modifies nextToken@*/ ; | |
63 | static void IdChar (void) /*@modifies nextToken@*/ ; | |
64 | static void OpChar (void) /*@modifies nextToken@*/ ; | |
65 | static void SingChar (void) /*@modifies nextToken@*/ ; | |
66 | static void WhiteChar (void) /*@modifies nextToken@*/ ; | |
67 | ||
68 | static void TokenClass (void) /*@modifies nextToken@*/ ; | |
69 | static void QuantifierSymToks (void) /*@modifies nextToken@*/ ; | |
70 | static void LogicalOpToks (void) /*@modifies nextToken@*/ ; | |
71 | static void EqOpToks (void) /*@modifies nextToken@*/ ; | |
72 | static void EquationSymToks (void) /*@modifies nextToken@*/ ; | |
73 | static void EqSepSymToks (void) /*@modifies nextToken@*/ ; | |
74 | static void SelectSymToks (void) /*@modifies nextToken@*/ ; | |
75 | static void OpenSymToks (void) /*@modifies nextToken@*/ ; | |
76 | static void SepSymToks (void) /*@modifies nextToken@*/ ; | |
77 | static void CloseSymToks (void) /*@modifies nextToken@*/ ; | |
78 | static void SimpleIdToks (void) /*@modifies nextToken@*/ ; | |
79 | static void MapSymToks (void) /*@modifies nextToken@*/ ; | |
80 | static void MarkerSymToks (void) /*@modifies nextToken@*/ ; | |
81 | static void CommentSymToks (void) /*@modifies nextToken@*/ ; | |
82 | static void QuantifierSymTok (void) /*@modifies nextToken@*/ ; | |
83 | static void LogicalOpTok (void) /*@modifies nextToken@*/ ; | |
84 | static void EqOpTok (void) /*@modifies nextToken@*/ ; | |
85 | static void EquationSymTok (void) /*@modifies nextToken@*/ ; | |
86 | static void EqSepSymTok (void) /*@modifies nextToken@*/ ; | |
87 | static void SelectSymTok (void) /*@modifies nextToken@*/ ; | |
88 | static void OpenSymTok (void) /*@modifies nextToken@*/ ; | |
89 | static void SepSymTok (void) /*@modifies nextToken@*/ ; | |
90 | static void CloseSymTok (void) /*@modifies nextToken@*/ ; | |
91 | static void SimpleIdTok (void) /*@modifies nextToken@*/ ; | |
92 | static void MapSymTok (void) /*@modifies nextToken@*/ ; | |
93 | static void MarkerSymTok (void) /*@modifies nextToken@*/ ; | |
94 | static void CommentSymTok (void) /*@modifies nextToken@*/ ; | |
95 | static void SynClass (void) /*@modifies nextToken@*/ ; | |
96 | static void OldToken (void) /*@modifies nextToken@*/ ; | |
97 | static void NewToken (void) /*@modifies nextToken@*/ ; | |
98 | static void Token (void) /*@modifies nextToken@*/ ; | |
99 | ||
100 | static void InitReduce (LCLInitRuleCode p_rule) /*@modifies nextToken@*/ ; | |
101 | static void UpdateXCharKeywords (charCode p_xChar) /*@modifies nextToken@*/ ; | |
102 | static void ProcessExtensionChar (void) /*@modifies nextToken@*/ ; | |
103 | static void ProcessEndCommentChar (void) /*@modifies nextToken@*/ ; | |
104 | static void ProcessSingleChar (charCode p_code) /*@modifies nextToken@*/ ; | |
105 | static void ProcessToken (ltokenCode p_code) /*@modifies nextToken@*/ ; | |
106 | static void ProcessSynonym (void) /*@modifies nextToken@*/ ; | |
107 | ||
108 | static void | |
109 | LocalUserError (/*@unused@*/ ltoken p_t, /*@temp@*/ char *p_msg) | |
80489f0a | 110 | /*@modifies *g_warningstream@*/ ; |
616915dd | 111 | |
112 | /* If TRUE character has been redefined as a singleChar. */ | |
113 | static bool defineSingleChar[LASTCHAR + 1]; | |
114 | ||
115 | static charCode currentExtensionChar; | |
116 | ||
117 | /* LSL init file keyword tokens. */ | |
118 | ||
119 | static /*@exposed@*/ ltoken endCommentCharToken; | |
120 | static /*@exposed@*/ ltoken idCharToken; | |
121 | static /*@exposed@*/ ltoken opCharToken; | |
122 | static /*@exposed@*/ ltoken extensionCharToken; | |
123 | static /*@exposed@*/ ltoken singleCharToken; | |
124 | static /*@exposed@*/ ltoken whiteCharToken; | |
125 | ||
126 | static /*@exposed@*/ ltoken quantifierSymToken; | |
127 | static /*@exposed@*/ ltoken logicalOpToken; | |
128 | static /*@exposed@*/ ltoken eqOpToken; | |
129 | static /*@exposed@*/ ltoken equationSymToken; | |
130 | static /*@exposed@*/ ltoken eqSepSymToken; | |
131 | static /*@exposed@*/ ltoken selectSymToken; | |
132 | static /*@exposed@*/ ltoken openSymToken; | |
133 | static /*@exposed@*/ ltoken sepSymToken; | |
134 | static /*@exposed@*/ ltoken closeSymToken; | |
135 | static /*@exposed@*/ ltoken simpleIdToken; | |
136 | static /*@exposed@*/ ltoken mapSymToken; | |
137 | static /*@exposed@*/ ltoken markerSymToken; | |
138 | static /*@exposed@*/ ltoken commentSymToken; | |
139 | ||
140 | static /*@exposed@*/ ltoken synonymToken; | |
141 | ||
142 | static /*@exposed@*/ ltoken | |
143 | insertSimpleToken (char *s) /*@modifies internalState@*/ | |
144 | { | |
145 | return (LCLInsertToken (simpleId, lsymbol_fromChars (s), 0, FALSE)); | |
146 | } | |
147 | ||
148 | static bool | |
149 | hasFirstChar (ltoken tok) /*@*/ | |
150 | { | |
151 | return (ltoken_isChar (tok) | |
152 | && ltoken_isSingleChar (cstring_firstChar (ltoken_unparse (tok)))); | |
153 | } | |
154 | ||
155 | void | |
140c27a8 | 156 | lclinit_process (void) |
616915dd | 157 | { |
158 | InitLines (); | |
159 | ||
160 | InitReduce (INITFILE1); | |
161 | ||
162 | if (ltoken_getCode (nextToken) != LEOFTOKEN) | |
163 | { | |
164 | LocalUserError (nextToken, "unexpected tokens after end-of-file"); | |
165 | } | |
166 | } | |
167 | ||
168 | static void | |
169 | InitLines (void) | |
170 | { | |
171 | setCodePoint (); | |
172 | InitReduce (INITLINES1); | |
173 | ||
616915dd | 174 | if (ltoken_getCode (nextToken) != LEOFTOKEN) |
175 | { | |
176 | InitLine (); | |
177 | InitReduce (INITLINES2); | |
178 | } | |
179 | ||
180 | while (ltoken_getCode (nextToken) != LEOFTOKEN) | |
181 | { | |
182 | InitLine (); | |
183 | InitReduce (INITLINES3); | |
184 | } | |
185 | } | |
186 | ||
187 | static void | |
188 | InitLine (void) | |
189 | { | |
616915dd | 190 | if (ltoken_getCode (nextToken) == LLT_EOL) |
191 | { | |
192 | /* Nothing on line. */ | |
140c27a8 | 193 | InitReduce (INITLINE1); |
616915dd | 194 | } |
195 | else | |
196 | { | |
140c27a8 | 197 | Classification (); |
616915dd | 198 | InitReduce (INITLINE2); |
199 | } | |
200 | ||
201 | if (ltoken_getCode (nextToken) != LLT_EOL) | |
202 | { | |
203 | LocalUserError (nextToken, "Unexpected tokens on line"); | |
204 | } | |
140c27a8 | 205 | |
616915dd | 206 | nextToken = LCLScanNextToken (); /* Discard EOL */ |
140c27a8 | 207 | } |
616915dd | 208 | |
209 | static void | |
210 | Classification (void) | |
211 | { | |
212 | lsymbol ntext = ltoken_getRawText (nextToken); | |
616915dd | 213 | |
214 | if (ntext == ltoken_getText (endCommentCharToken) | |
215 | || ntext == ltoken_getText (idCharToken) | |
216 | || ntext == ltoken_getText (opCharToken) | |
217 | || ntext == ltoken_getText (extensionCharToken) | |
218 | || ntext == ltoken_getText (singleCharToken) | |
219 | || ntext == ltoken_getText (whiteCharToken)) | |
220 | { | |
221 | CharClass (); | |
222 | InitReduce (CLASSIFICATION1); | |
223 | } | |
224 | else if (ntext == ltoken_getText (quantifierSymToken) | |
225 | || ntext == ltoken_getText (logicalOpToken) | |
226 | || ntext == ltoken_getText (eqOpToken) | |
227 | || ntext == ltoken_getText (equationSymToken) | |
228 | || ntext == ltoken_getText (eqSepSymToken) | |
229 | || ntext == ltoken_getText (selectSymToken) | |
230 | || ntext == ltoken_getText (openSymToken) | |
231 | || ntext == ltoken_getText (sepSymToken) | |
232 | || ntext == ltoken_getText (closeSymToken) | |
233 | || ntext == ltoken_getText (simpleIdToken) | |
234 | || ntext == ltoken_getText (mapSymToken) | |
235 | || ntext == ltoken_getText (markerSymToken) | |
236 | || ntext == ltoken_getText (commentSymToken)) | |
237 | { | |
238 | TokenClass (); | |
239 | InitReduce (CLASSIFICATION2); | |
240 | } | |
241 | else if (ntext == ltoken_getText (synonymToken)) | |
242 | { | |
243 | SynClass (); | |
244 | InitReduce (CLASSIFICATION3); | |
245 | } | |
246 | else | |
247 | { | |
248 | llbug (message ("Expected character, token, or synonym classification: %s", | |
249 | ltoken_getRawString (nextToken))); | |
140c27a8 | 250 | /* pop off all tokens on this line */ |
616915dd | 251 | } |
252 | } | |
253 | ||
254 | static void | |
255 | CharClass (void) | |
256 | { | |
257 | ltoken charClassToken; | |
616915dd | 258 | charClassToken = nextToken; |
616915dd | 259 | nextToken = LCLScanNextToken (); /* Discard char class keyword. */ |
260 | ||
261 | if (ltoken_getRawText (charClassToken) == ltoken_getText (endCommentCharToken)) | |
262 | { | |
263 | EndCommentChars (); | |
264 | InitReduce (CHARCLASS1); | |
265 | } | |
266 | else if (ltoken_getRawText (charClassToken) == ltoken_getText (idCharToken)) | |
267 | { | |
268 | IdChars (); | |
269 | InitReduce (CHARCLASS2); | |
270 | } | |
271 | else if (ltoken_getRawText (charClassToken) == ltoken_getText (opCharToken)) | |
272 | { | |
273 | OpChars (); | |
274 | InitReduce (CHARCLASS3); | |
275 | } | |
276 | else if (ltoken_getRawText (charClassToken) | |
277 | == ltoken_getText (extensionCharToken)) | |
278 | { | |
279 | ExtensionChar (); | |
280 | InitReduce (CHARCLASS4); | |
281 | } | |
282 | else if (ltoken_getRawText (charClassToken) == ltoken_getText (singleCharToken)) | |
283 | { | |
284 | SingChars (); | |
285 | InitReduce (CHARCLASS5); | |
286 | } | |
287 | else if (ltoken_getRawText (charClassToken) == ltoken_getText (whiteCharToken)) | |
288 | { | |
289 | WhiteChars (); | |
290 | InitReduce (CHARCLASS6); | |
291 | } | |
292 | else | |
293 | { | |
294 | LocalUserError (nextToken, "expected character classification"); | |
295 | } | |
296 | } | |
297 | ||
298 | static void | |
299 | EndCommentChars (void) | |
300 | { | |
301 | EndCommentChar (); | |
302 | InitReduce (LRC_ENDCOMMENT1); | |
303 | ||
304 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
305 | { | |
306 | EndCommentChar (); | |
307 | InitReduce (LRC_ENDCOMMENT2); | |
308 | } | |
309 | ||
310 | } | |
311 | ||
312 | static void IdChars (void) /*@modifies nextToken@*/ | |
313 | { | |
314 | IdChar (); | |
315 | InitReduce (IDCHARS1); | |
316 | ||
317 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
318 | { | |
319 | IdChar (); | |
320 | InitReduce (IDCHARS2); | |
321 | } | |
322 | } | |
323 | ||
324 | static void OpChars (void) /*@modifies nextToken@*/ | |
325 | { | |
326 | OpChar (); | |
327 | InitReduce (OPCHARS1); | |
328 | ||
329 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
330 | { | |
331 | OpChar (); | |
332 | InitReduce (OPCHARS2); | |
333 | } | |
334 | } | |
335 | ||
336 | static void ExtensionChar (void) /*@modifies nextToken@*/ | |
337 | { | |
338 | if (hasFirstChar (nextToken)) | |
339 | { | |
340 | LSLGenShift (nextToken); | |
341 | nextToken = LCLScanNextToken (); | |
342 | InitReduce (LRC_EXTENSIONCHAR1); | |
343 | } | |
344 | else | |
345 | { | |
346 | LocalUserError (nextToken, "expected only one character"); | |
347 | } | |
348 | } | |
349 | ||
350 | static void SingChars (void) /*@modifies nextToken@*/ | |
351 | { | |
352 | SingChar (); | |
353 | InitReduce (SINGCHARS1); | |
354 | ||
355 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
356 | { | |
357 | SingChar (); | |
358 | InitReduce (SINGCHARS2); | |
359 | } | |
360 | } | |
361 | ||
362 | static void WhiteChars (void) /*@modifies nextToken@*/ | |
363 | { | |
364 | WhiteChar (); | |
365 | InitReduce (WHITECHARS1); | |
366 | ||
367 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
368 | { | |
369 | WhiteChar (); | |
370 | InitReduce (WHITECHARS2); | |
371 | } | |
372 | } | |
373 | ||
374 | static void EndCommentChar (void) /*@modifies nextToken@*/ | |
375 | { | |
376 | if (ltoken_isChar (nextToken)) | |
377 | { | |
378 | LSLGenShift (nextToken); | |
379 | nextToken = LCLScanNextToken (); | |
380 | InitReduce (LRC_ENDCOMMENTCHAR1); | |
381 | } | |
382 | else | |
383 | { | |
384 | LocalUserError (nextToken, "expected only one character"); | |
385 | } | |
386 | } | |
387 | ||
388 | static void IdChar (void) /*@modifies nextToken@*/ | |
389 | { | |
390 | if (hasFirstChar (nextToken)) | |
391 | { | |
392 | LSLGenShift (nextToken); | |
393 | nextToken = LCLScanNextToken (); | |
394 | InitReduce (IDCHAR1); | |
395 | } | |
396 | else | |
397 | { | |
398 | LocalUserError (nextToken, | |
399 | "Character is already defined, cannot redefine"); | |
400 | } | |
401 | } | |
402 | ||
403 | static void OpChar (void) /*@modifies nextToken@*/ | |
404 | { | |
405 | if (hasFirstChar (nextToken)) | |
406 | { | |
407 | LSLGenShift (nextToken); | |
408 | nextToken = LCLScanNextToken (); | |
409 | InitReduce (OPCHAR1); | |
410 | } | |
411 | else | |
412 | { | |
413 | LocalUserError (nextToken, | |
414 | "Character is already defined, cannot redefine"); | |
415 | } | |
416 | } | |
417 | ||
418 | static void SingChar (void) /*@modifies nextToken@*/ | |
419 | { | |
420 | if (hasFirstChar (nextToken)) | |
421 | { | |
422 | LSLGenShift (nextToken); | |
423 | nextToken = LCLScanNextToken (); | |
424 | InitReduce (SINGCHAR1); | |
425 | } | |
426 | else | |
427 | { | |
428 | LocalUserError (nextToken, | |
429 | "Character is already defined, cannot redefine"); | |
430 | } | |
431 | } | |
432 | ||
433 | static void WhiteChar (void) /*@modifies nextToken@*/ | |
434 | { | |
435 | if (hasFirstChar (nextToken)) | |
436 | { | |
437 | LSLGenShift (nextToken); | |
438 | nextToken = LCLScanNextToken (); | |
439 | InitReduce (WHITECHAR1); | |
440 | } | |
441 | else | |
442 | { | |
443 | LocalUserError (nextToken, "Character is already defined, cannot redefine"); | |
444 | } | |
445 | } | |
446 | ||
447 | static void | |
140c27a8 | 448 | TokenClass (void) /*@modifies nextToken@*/ |
616915dd | 449 | { |
450 | ltoken tokenClassToken; | |
451 | lsymbol ttext = ltoken_getRawText (nextToken); | |
452 | ||
453 | tokenClassToken = nextToken; | |
454 | ||
455 | /* Discard token class keyword. */ | |
456 | nextToken = LCLScanNextToken (); | |
457 | ||
458 | if (ttext == ltoken_getText (quantifierSymToken)) | |
459 | { | |
460 | QuantifierSymToks (); | |
461 | InitReduce (TOKENCLASS1); | |
462 | } | |
463 | else if (ttext == ltoken_getText (logicalOpToken)) | |
464 | { | |
465 | LogicalOpToks (); | |
466 | InitReduce (TOKENCLASS2); | |
467 | } | |
468 | else if (ttext == ltoken_getText (eqOpToken)) | |
469 | { | |
470 | EqOpToks (); | |
471 | InitReduce (TOKENCLASS3); | |
472 | } | |
473 | else if (ttext == ltoken_getText (equationSymToken)) | |
474 | { | |
475 | EquationSymToks (); | |
476 | InitReduce (TOKENCLASS4); | |
477 | } | |
478 | else if (ttext == ltoken_getText (eqSepSymToken)) | |
479 | { | |
480 | EqSepSymToks (); | |
481 | InitReduce (TOKENCLASS5); | |
482 | } | |
483 | else if (ttext == ltoken_getText (selectSymToken)) | |
484 | { | |
485 | SelectSymToks (); | |
486 | InitReduce (TOKENCLASS6); | |
487 | } | |
488 | else if (ttext == ltoken_getText (openSymToken)) | |
489 | { | |
490 | OpenSymToks (); | |
491 | InitReduce (TOKENCLASS7); | |
492 | } | |
493 | else if (ttext == ltoken_getText (sepSymToken)) | |
494 | { | |
495 | SepSymToks (); | |
496 | InitReduce (TOKENCLASS8); | |
497 | } | |
498 | else if (ttext == ltoken_getText (closeSymToken)) | |
499 | { | |
500 | CloseSymToks (); | |
501 | InitReduce (TOKENCLASS9); | |
502 | } | |
503 | else if (ttext == ltoken_getText (simpleIdToken)) | |
504 | { | |
505 | SimpleIdToks (); | |
506 | InitReduce (TOKENCLASS10); | |
507 | } | |
508 | else if (ttext == ltoken_getText (mapSymToken)) | |
509 | { | |
510 | MapSymToks (); | |
511 | InitReduce (TOKENCLASS11); | |
512 | } | |
513 | else if (ttext == ltoken_getText (markerSymToken)) | |
514 | { | |
515 | MarkerSymToks (); | |
516 | InitReduce (TOKENCLASS12); | |
517 | } | |
518 | else if (ttext == ltoken_getText (commentSymToken)) | |
519 | { | |
520 | CommentSymToks (); | |
521 | InitReduce (TOKENCLASS13); | |
522 | } | |
523 | else | |
524 | { | |
525 | LocalUserError (nextToken, "expected token classification"); | |
526 | } | |
527 | } | |
528 | ||
529 | static void | |
530 | QuantifierSymToks (void) /*@modifies nextToken@*/ | |
531 | { | |
532 | QuantifierSymTok (); | |
533 | InitReduce (QUANTIFIERSYMTOKS1); | |
534 | ||
535 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
536 | { | |
537 | QuantifierSymTok (); | |
538 | InitReduce (QUANTIFIERSYMTOKS2); | |
539 | } | |
540 | } | |
541 | ||
542 | static void | |
543 | LogicalOpToks (void) /*@modifies nextToken@*/ | |
544 | { | |
545 | LogicalOpTok (); | |
546 | InitReduce (LOGICALOPTOKS1); | |
547 | ||
548 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
549 | { | |
550 | LogicalOpTok (); | |
551 | InitReduce (LOGICALOPTOKS2); | |
552 | } | |
553 | } | |
554 | ||
555 | static void | |
556 | EqOpToks (void) /*@modifies nextToken@*/ | |
557 | { | |
558 | EqOpTok (); | |
559 | InitReduce (LRC_EQOPTOKS1); | |
560 | ||
561 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
562 | { | |
563 | EqOpTok (); | |
564 | InitReduce (LRC_EQOPTOKS2); | |
565 | } | |
566 | } | |
567 | ||
568 | static void | |
569 | EquationSymToks (void) /*@modifies nextToken@*/ | |
570 | { | |
571 | EquationSymTok (); | |
572 | InitReduce (LRC_EQUATIONSYMTOKS1); | |
573 | ||
574 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
575 | { | |
576 | EquationSymTok (); | |
577 | InitReduce (LRC_EQUATIONSYMTOKS2); | |
578 | } | |
579 | } | |
580 | ||
581 | static void | |
582 | EqSepSymToks (void) /*@modifies nextToken@*/ | |
583 | { | |
584 | EqSepSymTok (); | |
585 | InitReduce (LRC_EQSEPSYMTOKS1); | |
586 | ||
587 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
588 | { | |
589 | EqSepSymTok (); | |
590 | InitReduce (LRC_EQSEPSYMTOKS2); | |
591 | } | |
592 | } | |
593 | ||
594 | static void | |
595 | SelectSymToks (void) /*@modifies nextToken@*/ | |
596 | { | |
597 | SelectSymTok (); | |
598 | InitReduce (SELECTSYMTOKS1); | |
599 | ||
600 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
601 | { | |
602 | SelectSymTok (); | |
603 | InitReduce (SELECTSYMTOKS2); | |
604 | } | |
605 | } | |
606 | ||
607 | static void | |
608 | OpenSymToks (void) /*@modifies nextToken@*/ | |
609 | { | |
610 | OpenSymTok (); | |
611 | InitReduce (OPENSYMTOKS1); | |
612 | ||
613 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
614 | { | |
615 | OpenSymTok (); | |
616 | InitReduce (OPENSYMTOKS2); | |
617 | } | |
618 | } | |
619 | ||
620 | static void | |
621 | SepSymToks (void) /*@modifies nextToken@*/ | |
622 | { | |
623 | SepSymTok (); | |
624 | InitReduce (SEPSYMTOKS1); | |
625 | ||
626 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
627 | { | |
628 | SepSymTok (); | |
629 | InitReduce (SEPSYMTOKS2); | |
630 | } | |
631 | } | |
632 | ||
633 | static void | |
634 | CloseSymToks (void) /*@modifies nextToken@*/ | |
635 | { | |
636 | CloseSymTok (); | |
637 | InitReduce (CLOSESYMTOKS1); | |
638 | ||
639 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
640 | { | |
641 | CloseSymTok (); | |
642 | InitReduce (CLOSESYMTOKS2); | |
643 | } | |
644 | } | |
645 | ||
646 | static void | |
647 | SimpleIdToks (void) /*@modifies nextToken@*/ | |
648 | { | |
649 | SimpleIdTok (); | |
650 | InitReduce (SIMPLEIDTOKS1); | |
651 | ||
652 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
653 | { | |
654 | SimpleIdTok (); | |
655 | InitReduce (SIMPLEIDTOKS2); | |
656 | } | |
657 | } | |
658 | ||
659 | static void | |
660 | MapSymToks (void) /*@modifies nextToken@*/ | |
661 | { | |
662 | MapSymTok (); | |
663 | InitReduce (MAPSYMTOKS1); | |
664 | ||
665 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
666 | { | |
667 | MapSymTok (); | |
668 | InitReduce (MAPSYMTOKS2); | |
669 | } | |
670 | } | |
671 | ||
672 | static void | |
673 | MarkerSymToks (void) /*@modifies nextToken@*/ | |
674 | { | |
675 | MarkerSymTok (); | |
676 | InitReduce (MARKERSYMTOKS1); | |
677 | ||
678 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
679 | { | |
680 | MarkerSymTok (); | |
681 | InitReduce (MARKERSYMTOKS2); | |
682 | } | |
683 | } | |
684 | ||
685 | static void | |
686 | CommentSymToks (void) /*@modifies nextToken@*/ | |
687 | { | |
688 | CommentSymTok (); | |
689 | InitReduce (COMMENTSYMTOKS1); | |
690 | ||
691 | while (ltoken_getCode (nextToken) != LLT_EOL) | |
692 | { | |
693 | CommentSymTok (); | |
694 | InitReduce (COMMENTSYMTOKS2); | |
695 | } | |
696 | } | |
697 | ||
698 | static void | |
699 | QuantifierSymTok (void) /*@modifies nextToken@*/ | |
700 | { | |
701 | Token (); | |
702 | InitReduce (QUANTIFIERSYMTOK1); | |
703 | } | |
704 | ||
705 | static void | |
706 | LogicalOpTok (void) /*@modifies nextToken@*/ | |
707 | { | |
708 | Token (); | |
709 | InitReduce (LOGICALOPTOK1); | |
710 | } | |
711 | ||
712 | static void | |
713 | EqOpTok (void) /*@modifies nextToken@*/ | |
714 | { | |
715 | Token (); | |
716 | InitReduce (LRC_EQOPTOK1); | |
717 | } | |
718 | ||
719 | static void EquationSymTok (void) /*@modifies nextToken@*/ | |
720 | { | |
721 | Token (); | |
722 | InitReduce (LRC_EQUATIONSYMTOK1); | |
723 | } | |
724 | ||
725 | static void EqSepSymTok (void) /*@modifies nextToken@*/ | |
726 | { | |
727 | Token (); | |
728 | InitReduce (LRC_EQSEPSYMTOK1); | |
729 | ||
730 | } | |
731 | ||
732 | static void SelectSymTok (void) /*@modifies nextToken@*/ | |
733 | { | |
734 | Token (); | |
735 | InitReduce (SELECTSYMTOK1); | |
736 | } | |
737 | ||
738 | static void OpenSymTok (void) /*@modifies nextToken@*/ | |
739 | { | |
740 | Token (); | |
741 | InitReduce (OPENSYMTOK1); | |
742 | } | |
743 | ||
744 | static void SepSymTok (void) /*@modifies nextToken@*/ | |
745 | { | |
746 | Token (); | |
747 | InitReduce (SEPSYMTOK1); | |
748 | } | |
749 | ||
750 | static void CloseSymTok (void) /*@modifies nextToken@*/ | |
751 | { | |
752 | Token (); | |
753 | InitReduce (CLOSESYMTOK1); | |
754 | } | |
755 | ||
756 | static void SimpleIdTok (void) /*@modifies nextToken@*/ | |
757 | { | |
758 | Token (); | |
759 | InitReduce (SIMPLEIDTOK1); | |
760 | } | |
761 | ||
762 | static void | |
763 | MapSymTok (void) /*@modifies nextToken@*/ | |
764 | { | |
765 | Token (); | |
766 | InitReduce (MAPSYMTOK1); | |
767 | } | |
768 | ||
769 | static void | |
770 | MarkerSymTok (void) /*@modifies nextToken@*/ | |
771 | { | |
772 | Token (); | |
773 | InitReduce (MARKERSYMTOK1); | |
774 | ||
775 | } | |
776 | ||
777 | static void | |
778 | CommentSymTok (void) /*@modifies nextToken@*/ | |
779 | { | |
780 | Token (); | |
781 | InitReduce (COMMENTSYMTOK1); | |
782 | } | |
783 | ||
784 | ||
785 | static void | |
786 | SynClass (void) /*@modifies nextToken@*/ | |
787 | { | |
788 | if (ltoken_getRawText (nextToken) == ltoken_getText (synonymToken)) | |
789 | { | |
790 | nextToken = LCLScanNextToken (); | |
791 | ||
792 | OldToken (); | |
793 | NewToken (); | |
794 | ||
795 | InitReduce (SYNCLASS1); | |
796 | } | |
797 | else | |
798 | { | |
799 | LocalUserError (nextToken, "expected synonym classification"); | |
800 | } | |
801 | ||
802 | } | |
803 | ||
804 | static void | |
805 | OldToken (void) /*@modifies nextToken@*/ | |
806 | { | |
807 | Token (); | |
808 | InitReduce (OLDTOKEN1); | |
809 | ||
810 | } | |
811 | ||
812 | static void | |
813 | NewToken (void) /*@modifies nextToken@*/ | |
814 | { | |
815 | Token (); | |
816 | InitReduce (NEWTOKEN1); | |
817 | ||
818 | } | |
819 | ||
820 | static void | |
821 | Token (void) /*@modifies nextToken@*/ | |
822 | { | |
823 | if (ltoken_getCode (nextToken) == LLT_EOL | |
824 | || ltoken_getCode (nextToken) == LEOFTOKEN) | |
825 | { | |
826 | LocalUserError (nextToken, "unexpected end-of-line or end-of-file"); | |
827 | } | |
828 | else | |
829 | { | |
830 | LSLGenShift (nextToken); | |
831 | nextToken = LCLScanNextToken (); | |
832 | } | |
833 | } | |
834 | ||
835 | /* | |
836 | ** Init File Processing Routines, these routines use the shift-reduce sequence | |
837 | ** produced by the init file parser and update the necessary tables for the | |
838 | ** scanner. | |
839 | ** | |
840 | ** The same shift stack is used that LSL parser uses. A different reduce | |
841 | ** procedure is used because the init file grammar is different from the LSL | |
842 | ** grammar. | |
843 | */ | |
844 | ||
845 | static void | |
846 | InitReduce (LCLInitRuleCode rule) /*@modifies nextToken@*/ | |
847 | { | |
848 | switch (rule) | |
849 | { | |
850 | case INITFILE1: | |
851 | TRACE ("INITFILE1"); | |
852 | break; | |
853 | ||
854 | case INITLINES1: | |
855 | TRACE ("INITLINES1"); | |
856 | break; | |
857 | ||
858 | case INITLINES2: | |
859 | TRACE ("INITLINES2"); | |
860 | break; | |
861 | ||
862 | case INITLINES3: | |
863 | TRACE ("INITLINES3"); | |
864 | break; | |
865 | ||
866 | case INITLINE1: | |
867 | TRACE ("INITLINE1"); | |
868 | break; | |
869 | ||
870 | case INITLINE2: | |
871 | TRACE ("INITLINE2"); | |
872 | break; | |
873 | ||
874 | case CLASSIFICATION1: | |
875 | TRACE ("CLASSIFICATION1"); | |
876 | break; | |
877 | ||
878 | case CLASSIFICATION2: | |
879 | TRACE ("CLASSIFICATION2"); | |
880 | break; | |
881 | ||
882 | case CLASSIFICATION3: | |
883 | TRACE ("CLASSIFICATION3"); | |
884 | break; | |
885 | ||
886 | case CHARCLASS1: | |
887 | TRACE ("CHARCLASS1"); | |
888 | break; | |
889 | ||
890 | case CHARCLASS2: | |
891 | TRACE ("CHARCLASS2"); | |
892 | break; | |
893 | ||
894 | case CHARCLASS3: | |
895 | TRACE ("CHARCLASS3"); | |
896 | break; | |
897 | ||
898 | case CHARCLASS4: | |
899 | TRACE ("CHARCLASS4"); | |
900 | break; | |
901 | ||
902 | case CHARCLASS5: | |
903 | TRACE ("CHARCLASS5"); | |
904 | break; | |
905 | ||
906 | case CHARCLASS6: | |
907 | TRACE ("CHARCLASS6"); | |
908 | break; | |
909 | ||
910 | case LRC_ENDCOMMENT1: | |
911 | TRACE ("LRC_ENDCOMMENT1"); | |
912 | break; | |
913 | ||
914 | case LRC_ENDCOMMENT2: | |
915 | TRACE ("LRC_ENDCOMMENT2"); | |
916 | break; | |
917 | ||
918 | case IDCHARS1: | |
919 | TRACE ("IDCHARS1"); | |
920 | break; | |
921 | ||
922 | case IDCHARS2: | |
923 | TRACE ("IDCHARS2"); | |
924 | break; | |
925 | ||
926 | case OPCHARS1: | |
927 | TRACE ("OPCHARS1"); | |
928 | break; | |
929 | ||
930 | case OPCHARS2: | |
931 | TRACE ("OPCHARS2"); | |
932 | break; | |
933 | ||
934 | case LRC_EXTENSIONCHAR1: | |
935 | TRACE ("LRC_EXTENSIONCHAR1"); | |
936 | ProcessExtensionChar (); | |
937 | break; | |
938 | ||
939 | case SINGCHARS1: | |
940 | TRACE ("SINGCHARS1"); | |
941 | break; | |
942 | ||
943 | case SINGCHARS2: | |
944 | TRACE ("SINGCHARS2"); | |
945 | break; | |
946 | ||
947 | case WHITECHARS1: | |
948 | TRACE ("WHITECHARS1"); | |
949 | break; | |
950 | ||
951 | case WHITECHARS2: | |
952 | TRACE ("WHITECHARS2"); | |
953 | break; | |
954 | ||
955 | case LRC_ENDCOMMENTCHAR1: | |
956 | TRACE ("LRC_ENDCOMMENTCHAR1"); | |
957 | ProcessEndCommentChar (); | |
958 | break; | |
959 | ||
960 | case IDCHAR1: | |
961 | TRACE ("IDCHAR1"); | |
962 | ProcessSingleChar (IDCHAR); | |
963 | break; | |
964 | ||
965 | case OPCHAR1: | |
966 | TRACE ("OPCHAR1"); | |
967 | ProcessSingleChar (OPCHAR); | |
968 | break; | |
969 | ||
970 | case SINGCHAR1: | |
971 | TRACE ("SINGCHAR1"); | |
972 | ProcessSingleChar (SINGLECHAR); | |
973 | break; | |
974 | ||
975 | case WHITECHAR1: | |
976 | TRACE ("CHAR1"); | |
977 | ProcessSingleChar (WHITECHAR); | |
978 | break; | |
979 | ||
980 | case TOKENCLASS1: | |
981 | TRACE ("TOKENCLASS1"); | |
982 | break; | |
983 | ||
984 | case TOKENCLASS2: | |
985 | TRACE ("TOKENCLASS2"); | |
986 | break; | |
987 | ||
988 | case TOKENCLASS3: | |
989 | TRACE ("TOKENCLASS3"); | |
990 | break; | |
991 | ||
992 | case TOKENCLASS4: | |
993 | TRACE ("TOKENCLASS4"); | |
994 | break; | |
995 | ||
996 | case TOKENCLASS5: | |
997 | TRACE ("TOKENCLASS5"); | |
998 | break; | |
999 | ||
1000 | case TOKENCLASS6: | |
1001 | TRACE ("TOKENCLASS6"); | |
1002 | break; | |
1003 | ||
1004 | case TOKENCLASS7: | |
1005 | TRACE ("TOKENCLASS7"); | |
1006 | break; | |
1007 | ||
1008 | case TOKENCLASS8: | |
1009 | TRACE ("TOKENCLASS8"); | |
1010 | break; | |
1011 | ||
1012 | case TOKENCLASS9: | |
1013 | TRACE ("TOKENCLASS9"); | |
1014 | break; | |
1015 | ||
1016 | case TOKENCLASS10: | |
1017 | TRACE ("TOKENCLASS10"); | |
1018 | break; | |
1019 | ||
1020 | case TOKENCLASS11: | |
1021 | TRACE ("TOKENCLASS11"); | |
1022 | break; | |
1023 | ||
1024 | case TOKENCLASS12: | |
1025 | TRACE ("TOKENCLASS12"); | |
1026 | break; | |
1027 | ||
1028 | case TOKENCLASS13: | |
1029 | TRACE ("TOKENCLASS13"); | |
1030 | break; | |
1031 | ||
1032 | case QUANTIFIERSYMTOKS1: | |
1033 | TRACE ("QUALIFERSYMTOKS1"); | |
1034 | break; | |
1035 | ||
1036 | case QUANTIFIERSYMTOKS2: | |
1037 | TRACE ("QUANTIFIERSYMTOKS2"); | |
1038 | break; | |
1039 | ||
1040 | case LOGICALOPTOKS1: | |
1041 | TRACE ("LOGICALOPTOKS1"); | |
1042 | break; | |
1043 | ||
1044 | case LOGICALOPTOKS2: | |
1045 | TRACE ("LOGICALOPTOKS2"); | |
1046 | break; | |
1047 | ||
1048 | case LRC_EQOPTOKS1: | |
1049 | TRACE ("LRC_EQOPTOKS1"); | |
1050 | break; | |
1051 | ||
1052 | case LRC_EQOPTOKS2: | |
1053 | TRACE ("LRC_EQOPTOKS2"); | |
1054 | break; | |
1055 | ||
1056 | case LRC_EQUATIONSYMTOKS1: | |
1057 | TRACE ("LRC_EQUATIONSYMTOKS1"); | |
1058 | break; | |
1059 | ||
1060 | case LRC_EQUATIONSYMTOKS2: | |
1061 | TRACE ("LRC_EQUATIONSYMTOKS2"); | |
1062 | break; | |
1063 | ||
1064 | case LRC_EQSEPSYMTOKS1: | |
1065 | TRACE ("LRC_EQSEPSYMTOKS1"); | |
1066 | break; | |
1067 | ||
1068 | case LRC_EQSEPSYMTOKS2: | |
1069 | TRACE ("LRC_EQSEPSYMTOKS2"); | |
1070 | break; | |
1071 | ||
1072 | case SELECTSYMTOKS1: | |
1073 | TRACE ("SELECTSYMTOKS1"); | |
1074 | break; | |
1075 | ||
1076 | case SELECTSYMTOKS2: | |
1077 | TRACE ("SELECTSYMTOKS2"); | |
1078 | break; | |
1079 | ||
1080 | case OPENSYMTOKS1: | |
1081 | TRACE ("OPENSYMTOKS1"); | |
1082 | break; | |
1083 | ||
1084 | case OPENSYMTOKS2: | |
1085 | TRACE ("OPENSYMTOKS2"); | |
1086 | break; | |
1087 | ||
1088 | case SEPSYMTOKS1: | |
1089 | TRACE ("SEPSYMTOKS1"); | |
1090 | break; | |
1091 | ||
1092 | case SEPSYMTOKS2: | |
1093 | TRACE ("SEPSYMTOKS2"); | |
1094 | break; | |
1095 | ||
1096 | case CLOSESYMTOKS1: | |
1097 | TRACE ("CLOSESYMTOKS1"); | |
1098 | break; | |
1099 | ||
1100 | case CLOSESYMTOKS2: | |
1101 | TRACE ("CLOSESYMTOKS2"); | |
1102 | break; | |
1103 | ||
1104 | case SIMPLEIDTOKS1: | |
1105 | TRACE ("SIMPLEIDTOKS1"); | |
1106 | break; | |
1107 | ||
1108 | case SIMPLEIDTOKS2: | |
1109 | TRACE ("SIMPLEIDTOKS2"); | |
1110 | break; | |
1111 | ||
1112 | case MAPSYMTOKS1: | |
1113 | TRACE ("MAPSYMTOKS1"); | |
1114 | break; | |
1115 | ||
1116 | case MAPSYMTOKS2: | |
1117 | TRACE ("MAPSYMTOKS2"); | |
1118 | break; | |
1119 | ||
1120 | case MARKERSYMTOKS1: | |
1121 | TRACE ("MARKERSYMTOKS1"); | |
1122 | break; | |
1123 | ||
1124 | case MARKERSYMTOKS2: | |
1125 | TRACE ("MARKERSYMTOKS2"); | |
1126 | break; | |
1127 | ||
1128 | case COMMENTSYMTOKS1: | |
1129 | TRACE ("COMMENTSYMTOKS1"); | |
1130 | break; | |
1131 | ||
1132 | case COMMENTSYMTOKS2: | |
1133 | TRACE ("COMMENTSYMTOKS2"); | |
1134 | break; | |
1135 | ||
1136 | case QUANTIFIERSYMTOK1: | |
1137 | TRACE ("QUANTIFERSYMTOK1"); | |
1138 | ProcessToken (quantifierSym); | |
1139 | break; | |
1140 | ||
1141 | case LOGICALOPTOK1: | |
1142 | TRACE ("LOGICALOPTOK1"); | |
1143 | ProcessToken (logicalOp); | |
1144 | break; | |
1145 | ||
1146 | case LRC_EQOPTOK1: | |
1147 | TRACE ("LRC_EQOPTOK1"); | |
1148 | ProcessToken (eqOp); | |
1149 | break; | |
1150 | ||
1151 | case LRC_EQUATIONSYMTOK1: | |
1152 | TRACE ("LRC_EQUATIONSYMTOK1"); | |
1153 | ProcessToken (equationSym); | |
1154 | break; | |
1155 | ||
1156 | case LRC_EQSEPSYMTOK1: | |
1157 | TRACE ("LRC_EQSEPSYMTOK1"); | |
1158 | ProcessToken (eqSepSym); | |
1159 | break; | |
1160 | ||
1161 | case SELECTSYMTOK1: | |
1162 | TRACE ("SELECTSYMTOK1"); | |
1163 | ProcessToken (selectSym); | |
1164 | break; | |
1165 | ||
1166 | case OPENSYMTOK1: | |
1167 | TRACE ("OPENSYMTOK1"); | |
1168 | ProcessToken (openSym); | |
1169 | break; | |
1170 | ||
1171 | case SEPSYMTOK1: | |
1172 | TRACE ("SEPSYMTOK1"); | |
1173 | ProcessToken (sepSym); | |
1174 | break; | |
1175 | ||
1176 | case CLOSESYMTOK1: | |
1177 | TRACE ("CLOSESYMTOK1"); | |
1178 | ProcessToken (closeSym); | |
1179 | break; | |
1180 | ||
1181 | case SIMPLEIDTOK1: | |
1182 | TRACE ("SIMPLEIDTOK1"); | |
1183 | ProcessToken (simpleId); | |
1184 | break; | |
1185 | ||
1186 | case MAPSYMTOK1: | |
1187 | TRACE ("MAPSYMTOK1"); | |
1188 | ProcessToken (mapSym); | |
1189 | break; | |
1190 | ||
1191 | case MARKERSYMTOK1: | |
1192 | TRACE ("MARKERSYMTOK1"); | |
1193 | ProcessToken (markerSym); | |
1194 | break; | |
1195 | ||
1196 | case COMMENTSYMTOK1: | |
1197 | TRACE ("COMMENTSYMTOK1"); | |
1198 | ProcessToken (commentSym); | |
1199 | break; | |
1200 | ||
1201 | case SYNCLASS1: | |
1202 | TRACE ("SYNCLASS1"); | |
1203 | ProcessSynonym (); | |
1204 | break; | |
1205 | ||
1206 | case OLDTOKEN1: | |
1207 | TRACE ("OLDTOKEN1"); | |
1208 | break; | |
1209 | ||
1210 | case NEWTOKEN1: | |
1211 | TRACE ("NEWTOKEN1"); | |
1212 | break; | |
1213 | ||
1214 | default: | |
1215 | llcontbuglit ("InitReduce: bad case"); | |
1216 | break; | |
1217 | } | |
1218 | } | |
1219 | ||
1220 | /* | |
1221 | ** Reset the first character of the predefined extensionChar keywords when | |
1222 | ** the extensionChar changes. e.g. "extensionChar @" changes "\forall" to | |
1223 | ** "@forall". | |
1224 | */ | |
1225 | ||
1226 | static void | |
1227 | UpdateXCharKeywords (charCode xChar) | |
1228 | { | |
1229 | char *str; | |
1230 | char xchar = (char)xChar; | |
1231 | ||
1232 | str = ltoken_getTextChars (ltoken_forall); | |
1233 | *str = xchar; | |
1234 | ||
1235 | str = ltoken_getTextChars (ltoken_and); | |
1236 | *str = xchar; | |
1237 | ||
1238 | str = ltoken_getTextChars (ltoken_or); | |
1239 | *str = xchar; | |
1240 | ||
1241 | str = ltoken_getTextChars (ltoken_implies); | |
1242 | *str = xchar; | |
1243 | ||
1244 | str = ltoken_getTextChars (ltoken_eq); | |
1245 | *str = xchar; | |
1246 | ||
1247 | str = ltoken_getTextChars (ltoken_neq); | |
1248 | *str = xchar; | |
1249 | ||
1250 | str = ltoken_getTextChars (ltoken_equals); | |
1251 | *str = xchar; | |
1252 | ||
1253 | str = ltoken_getTextChars (ltoken_eqsep); | |
1254 | *str = xchar; | |
1255 | ||
1256 | str = ltoken_getTextChars (ltoken_select); | |
1257 | *str = xchar; | |
1258 | ||
1259 | str = ltoken_getTextChars (ltoken_open); | |
1260 | *str = xchar; | |
1261 | ||
1262 | str = ltoken_getTextChars (ltoken_sep); | |
1263 | *str = xchar; | |
1264 | ||
1265 | str = ltoken_getTextChars (ltoken_close); | |
1266 | *str = xchar; | |
1267 | ||
1268 | str = ltoken_getTextChars (ltoken_id); | |
1269 | *str = xchar; | |
1270 | ||
1271 | str = ltoken_getTextChars (ltoken_arrow); | |
1272 | *str = xchar; | |
1273 | ||
1274 | str = ltoken_getTextChars (ltoken_marker); | |
1275 | *str = xchar; | |
1276 | ||
1277 | str = ltoken_getTextChars (ltoken_comment); | |
1278 | *str = xchar; | |
1279 | } | |
1280 | ||
1281 | /* Different from ProcessCharClass because only allow one extension */ | |
1282 | /* character. Therefore, the present extension character must be set to a */ | |
1283 | /* singleChar. */ | |
1284 | ||
1285 | static void | |
1286 | ProcessExtensionChar (void) | |
1287 | { | |
1288 | ltoken stackToken = LSLGenTopPopShiftStack (); | |
1289 | char firstChar = cstring_firstChar (ltoken_unparse (stackToken)); | |
1290 | ||
1291 | if (!defineSingleChar[(int)firstChar] | |
1292 | && ltoken_isSingleChar (firstChar)) | |
1293 | { | |
1294 | /* | |
1295 | ** Is a single character that has not been defined before. | |
1296 | ** Can only have one extension char. Release old one. | |
1297 | */ | |
1298 | ||
1299 | LCLSetCharClass (firstChar, CHC_EXTENSION); | |
1300 | LCLSetCharClass ((char) currentExtensionChar, SINGLECHAR); | |
1301 | currentExtensionChar = (charCode) firstChar; | |
1302 | UpdateXCharKeywords (currentExtensionChar); | |
1303 | } | |
1304 | else | |
1305 | { | |
1306 | /* Already redefined. Don't allow to be redefined. */ | |
1307 | LocalUserError (stackToken, "Character is already defined, cannot redefine"); | |
1308 | } | |
1309 | ||
1310 | ltoken_free (stackToken); | |
1311 | } | |
1312 | ||
1313 | /* Different from ProcessSingleChar because allow any characters to be */ | |
1314 | /* endCommentChar and also set a different part of the scanner structure. */ | |
1315 | ||
1316 | static void | |
1317 | ProcessEndCommentChar (void) | |
1318 | { | |
1319 | ltoken stackToken = LSLGenTopPopShiftStack (); | |
1320 | char firstChar = cstring_firstChar (ltoken_unparse (stackToken)); | |
1321 | ||
1322 | if (LCLIsEndComment (firstChar)) | |
1323 | { | |
1324 | LocalUserError (stackToken, | |
1325 | "already defined as a endCommentChar, cannot redefine"); | |
1326 | } | |
1327 | else | |
1328 | { | |
1329 | LCLSetEndCommentChar (firstChar, TRUE); | |
1330 | } | |
1331 | ltoken_free (stackToken); | |
1332 | } | |
1333 | ||
1334 | static void | |
1335 | ProcessSingleChar (charCode code) | |
1336 | { | |
1337 | ltoken stackToken = LSLGenTopPopShiftStack (); | |
1338 | char firstChar = cstring_firstChar (ltoken_unparse (stackToken)); | |
1339 | ||
1340 | if (!defineSingleChar[(int)firstChar] | |
1341 | && ltoken_isSingleChar (firstChar)) | |
1342 | { | |
1343 | /* Is a single character that has not been defined before. */ | |
1344 | /* It's OK to redefine once. */ | |
1345 | LCLSetCharClass (firstChar, code); | |
1346 | /* OK to mark as a defined singleChar even if not. Only check */ | |
1347 | /* defineSingleChar[] if defining a singleChar. */ | |
1348 | defineSingleChar[(int)(firstChar)] = TRUE; | |
1349 | } | |
1350 | else | |
1351 | { | |
1352 | LocalUserError (stackToken, "Character is already defined, cannot redefine"); | |
1353 | } | |
1354 | ||
1355 | ltoken_free (stackToken); | |
1356 | } | |
1357 | ||
1358 | static void | |
1359 | ProcessToken (ltokenCode code) | |
1360 | { | |
1361 | ltoken stackToken, ptok; | |
1362 | ||
1363 | stackToken = LSLGenTopPopShiftStack (); | |
1364 | ||
1365 | ||
1366 | if (LCLIsSyn (ltoken_getText (stackToken))) | |
1367 | { | |
1368 | LocalUserError (stackToken, "already defined as a synonym, cannot redefine"); | |
1369 | } | |
1370 | ||
1371 | /* | |
1372 | ** Get the token from the token table, so can check if the token | |
1373 | ** was updated by a previous token. | |
1374 | */ | |
1375 | ||
1376 | ptok = LCLGetToken (ltoken_getText (stackToken)); | |
1377 | ||
1378 | if (ltoken_isStateDefined (ptok)) | |
1379 | { | |
1380 | LocalUserError (stackToken, "already defined, cannot redefine"); | |
1381 | } | |
1382 | ||
1383 | LCLUpdateToken (code, ltoken_getText (stackToken), TRUE); | |
1384 | ltoken_free (stackToken); | |
1385 | } | |
1386 | ||
1387 | ||
1388 | static void | |
1389 | ProcessSynonym (void) | |
1390 | { | |
1391 | ltoken newtok; | |
1392 | ltoken oldtok; | |
1393 | ||
1394 | ||
1395 | newtok = LSLGenTopPopShiftStack (); | |
1396 | oldtok = LSLGenTopPopShiftStack (); | |
1397 | ||
1398 | ||
1399 | /* ignore synonyms: Bool -> bool | |
1400 | and: bool -> Bool */ | |
1401 | /* | |
1402 | if ((ltoken_getText (newtok) == lsymbol_Bool || | |
1403 | ltoken_getText (newtok) == lsymbol_bool) && | |
1404 | (ltoken_getText (oldtok) == lsymbol_Bool || | |
1405 | ltoken_getText (oldtok) == lsymbol_bool)) return; | |
1406 | */ | |
1407 | ||
1408 | if (ltoken_wasSyn (newtok)) | |
1409 | { | |
1410 | /* | |
1411 | ** The token has a synonym. This means that the synonym was in the | |
1412 | ** init file, so complain about redefining as a synonym again | |
1413 | */ | |
1414 | ||
1415 | LocalUserError (newtok, "already is a synonym, cannot redefine"); | |
1416 | } | |
1417 | ||
1418 | if (ltoken_hasSyn (newtok)) | |
1419 | { | |
1420 | /* | |
1421 | ** newtok already has a synonym defined for it. Do not allow | |
1422 | ** synonyms to be chained. | |
1423 | */ | |
1424 | ||
1425 | LocalUserError (newtok, | |
1426 | "newtok already has a synonym, cannot chain synonyms"); | |
1427 | } | |
1428 | ||
1429 | if (ltoken_isStateDefined (newtok)) | |
1430 | { | |
1431 | LocalUserError (newtok, "newtok already defined, cannot redefine"); | |
1432 | } | |
1433 | ||
1434 | LCLAddSyn (ltoken_getText (newtok), ltoken_getText (oldtok)); | |
1435 | ||
1436 | ltoken_free (newtok); | |
1437 | ltoken_free (oldtok); | |
1438 | } | |
1439 | ||
1440 | ||
1441 | /* | |
1442 | ** Utilities, in alphabetical order | |
1443 | */ | |
1444 | ||
1445 | static void | |
1446 | LocalUserError (ltoken t, char *msg) | |
1447 | { | |
1448 | lclplainerror (message ("%s %s in the LCL init file. Ignoring line.", | |
1449 | ltoken_unparse (t), cstring_fromChars (msg))); | |
1450 | ||
1451 | /* discard the whole current line */ | |
1452 | ||
1453 | nextToken = LCLScanNextToken (); /* Discard bad token */ | |
1454 | ||
1455 | while (ltoken_getCode (nextToken) != LLT_EOL | |
1456 | && ltoken_getCode (nextToken) != LEOFTOKEN) | |
1457 | { | |
1458 | nextToken = LCLScanNextToken (); | |
1459 | } | |
1460 | } | |
1461 | ||
1462 | ||
1463 | /* | |
1464 | * Required initialization and cleanup routines | |
1465 | */ | |
1466 | ||
1467 | void | |
140c27a8 | 1468 | lclinit_initMod (void) |
616915dd | 1469 | { |
1470 | int i; | |
1471 | ||
1472 | LSLGenInit (FALSE); /* parsing LCLinit, not LSLinit */ | |
1473 | ||
1474 | /* | |
1475 | ** Insert the init file keywords into the token table as undefined | |
1476 | ** SIMPLEIDs. They are defined as simpleIds since they must be treated | |
1477 | ** that way if they do not appear as the first token on a line, and | |
1478 | ** they must be treated that way for the actual LSL parsing. Save the | |
1479 | ** tokens so can recognize as init file keywords when necessary. | |
1480 | */ | |
1481 | ||
1482 | endCommentCharToken = insertSimpleToken ("endCommentChar"); | |
1483 | idCharToken = insertSimpleToken ("idChar"); | |
1484 | opCharToken = insertSimpleToken ("opChar"); | |
1485 | extensionCharToken = insertSimpleToken ("extensionChar"); | |
1486 | singleCharToken = insertSimpleToken ("singleChar"); | |
1487 | whiteCharToken = insertSimpleToken ("whiteChar"); | |
1488 | ||
1489 | quantifierSymToken = insertSimpleToken ("quantifierSym"); | |
1490 | logicalOpToken = insertSimpleToken ("logicalOp"); | |
1491 | eqOpToken = insertSimpleToken ("eqOp"); | |
1492 | equationSymToken = insertSimpleToken ("equationSym"); | |
1493 | eqSepSymToken = insertSimpleToken ("eqSepSym"); | |
1494 | selectSymToken = insertSimpleToken ("selectSym"); | |
1495 | openSymToken = insertSimpleToken ("openSym"); | |
1496 | sepSymToken = insertSimpleToken ("sepSym"); | |
1497 | closeSymToken = insertSimpleToken ("closeSym"); | |
1498 | simpleIdToken = insertSimpleToken ("simpleId"); | |
1499 | mapSymToken = insertSimpleToken ("mapSym"); | |
1500 | markerSymToken = insertSimpleToken ("markerSym"); | |
1501 | commentSymToken = insertSimpleToken ("commentSym"); | |
1502 | ||
1503 | synonymToken = insertSimpleToken ("synonym"); | |
1504 | ||
1505 | /* | |
1506 | ** Initialize defineSingleChar array to all FALSE to signal that no | |
1507 | ** characters have been redefined as singleChar. | |
1508 | */ | |
1509 | ||
1510 | for (i = 0; i <= LASTCHAR; i++) | |
1511 | { | |
1512 | defineSingleChar[i] = FALSE; | |
1513 | } | |
1514 | ||
1515 | /* | |
1516 | ** Record the current extension character so can redefine back to | |
1517 | ** singleChar if a new extension character is redefined. | |
1518 | */ | |
1519 | ||
1520 | currentExtensionChar = (charCode) CHAREXTENDER; | |
1521 | ||
1522 | /* Init file processing needs to have EOL reported. */ | |
1523 | ||
1524 | LCLReportEolTokens (TRUE); | |
1525 | ||
1526 | /* Not: context_getBoolName () */ | |
1527 | ||
1528 | LCLAddSyn (lsymbol_fromChars ("Bool"), | |
1529 | lsymbol_fromChars ("bool")); | |
1530 | } | |
1531 | ||
1532 | void | |
140c27a8 | 1533 | lclinit_reset (void) |
616915dd | 1534 | { |
1535 | nextToken = LCLScanNextToken (); | |
1536 | } | |
1537 | ||
1538 | void | |
140c27a8 | 1539 | lclinit_cleanup (void) |
616915dd | 1540 | { |
140c27a8 | 1541 | ; |
616915dd | 1542 | } |
1543 | ||
1544 | ||
1545 | ||
1546 | ||
1547 | ||
1548 | ||
1549 | ||
1550 | ||
1551 | ||
1552 |