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616915dd | 1 | /* |
11db3170 | 2 | ** Splint - annotation-assisted static program checker |
77d37419 | 3 | ** Copyright (C) 1994-2002 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" |
616915dd | 31 | # include "llbasic.h" |
32 | # include "signature.h" | |
33 | # include "signature2.h" | |
34 | # include "scan.h" | |
35 | # include "scanline.h" | |
36 | # include "tokentable.h" | |
37 | # include "syntable.h" | |
38 | # include "lslinit.h" | |
39 | ||
40 | /* needed to parse init files */ | |
41 | # include "shift.h" | |
42 | #if TRACING == 1 | |
43 | /*@notfunction@*/ | |
44 | # define LTRACE(rule) printf ("Reducing: %s\n", rule) | |
45 | #else | |
46 | /*@notfunction@*/ | |
47 | # define LTRACE(rule) | |
48 | #endif | |
49 | ||
50 | static void LocalUserError (ltoken p_t, /*@temp@*/ char *p_msg) | |
80489f0a | 51 | /*@modifies *g_warningstream@*/; |
616915dd | 52 | |
53 | static /*@only@*/ ltoken nextToken; | |
54 | ||
55 | static void InitFile (void) /*@modifies nextToken@*/ ; | |
56 | static void InitLines (void) /*@modifies nextToken@*/ ; | |
57 | static void InitLine (void) /*@modifies nextToken@*/ ; | |
58 | static void Classification (void) /*@modifies nextToken@*/ ; | |
59 | static void CharClass (void) /*@modifies nextToken@*/ ; | |
60 | ||
61 | static void EndCommentChars (void) /*@modifies nextToken@*/ ; | |
62 | static void IdChars (void) /*@modifies nextToken@*/ ; | |
63 | static void OpChars (void) /*@modifies nextToken@*/ ; | |
64 | static void ExtensionChar (void) /*@modifies nextToken@*/ ; | |
65 | static void SingChars (void) /*@modifies nextToken@*/ ; | |
66 | static void WhiteChars (void) /*@modifies nextToken@*/ ; | |
67 | static void EndCommentChar (void) /*@modifies nextToken@*/ ; | |
68 | static void IdChar (void) /*@modifies nextToken@*/ ; | |
69 | static void OpChar (void) /*@modifies nextToken@*/ ; | |
70 | static void SingChar (void) /*@modifies nextToken@*/ ; | |
71 | static void WhiteChar (void) /*@modifies nextToken@*/ ; | |
72 | ||
73 | static void TokenClass (void) /*@modifies nextToken@*/ ; | |
74 | static void QuantifierSymToks (void) /*@modifies nextToken@*/ ; | |
75 | static void LogicalOpToks (void) /*@modifies nextToken@*/ ; | |
76 | static void EqOpToks (void) /*@modifies nextToken@*/ ; | |
77 | static void EquationSymToks (void) /*@modifies nextToken@*/ ; | |
78 | static void EqSepSymToks (void) /*@modifies nextToken@*/ ; | |
79 | static void SelectSymToks (void) /*@modifies nextToken@*/ ; | |
80 | static void OpenSymToks (void) /*@modifies nextToken@*/ ; | |
81 | static void SepSymToks (void) /*@modifies nextToken@*/ ; | |
82 | static void CloseSymToks (void) /*@modifies nextToken@*/ ; | |
83 | static void SimpleIdToks (void) /*@modifies nextToken@*/ ; | |
84 | static void MapSymToks (void) /*@modifies nextToken@*/ ; | |
85 | static void MarkerSymToks (void) /*@modifies nextToken@*/ ; | |
86 | static void CommentSymToks (void) /*@modifies nextToken@*/ ; | |
87 | static void QuantifierSymTok (void) /*@modifies nextToken@*/ ; | |
88 | static void LogicalOpTok (void) /*@modifies nextToken@*/ ; | |
89 | static void EqOpTok (void) /*@modifies nextToken@*/ ; | |
90 | static void EquationSymTok (void) /*@modifies nextToken@*/ ; | |
91 | static void EqSepSymTok (void) /*@modifies nextToken@*/ ; | |
92 | static void SelectSymTok (void) /*@modifies nextToken@*/ ; | |
93 | static void OpenSymTok (void) /*@modifies nextToken@*/ ; | |
94 | static void SepSymTok (void) /*@modifies nextToken@*/ ; | |
95 | static void CloseSymTok (void) /*@modifies nextToken@*/ ; | |
96 | static void SimpleIdTok (void) /*@modifies nextToken@*/ ; | |
97 | static void MapSymTok (void) /*@modifies nextToken@*/ ; | |
98 | static void MarkerSymTok (void) /*@modifies nextToken@*/ ; | |
99 | static void CommentSymTok (void) /*@modifies nextToken@*/ ; | |
100 | static void SynClass (void) /*@modifies nextToken@*/ ; | |
101 | static void OldToken (void) /*@modifies nextToken@*/ ; | |
102 | static void NewToken (void) /*@modifies nextToken@*/ ; | |
103 | static void Token (void) /*@modifies nextToken@*/ ; | |
104 | ||
105 | static void InitReduce (LSLInitRuleCode p_rule) /*@modifies nextToken@*/ ; | |
106 | static void UpdateXCharKeywords (charCode) /*@modifies nextToken@*/ ; | |
107 | static void ProcessExtensionChar (void) /*@modifies nextToken@*/ ; | |
108 | static void ProcessEndCommentChar (void) /*@modifies nextToken@*/ ; | |
109 | static void ProcessSingleChar (charCode p_code) /*@modifies nextToken@*/ ; | |
110 | static void ProcessToken (ltokenCode p_code) /*@modifies nextToken@*/ ; | |
111 | static void ProcessSynonym (void) /*@modifies nextToken@*/ ; | |
112 | ||
113 | /* If TRUE character has been redefined as a singleChar. */ | |
114 | static bool defineSingleChar[LASTCHAR + 1]; | |
115 | ||
116 | static charCode currentExtensionChar; | |
117 | ||
118 | /* LSL init file keyword tokens. */ | |
119 | ||
120 | static /*@dependent@*/ ltoken endCommentCharToken; | |
121 | static /*@dependent@*/ ltoken idCharToken; | |
122 | static /*@dependent@*/ ltoken opCharToken; | |
123 | static /*@dependent@*/ ltoken extensionCharToken; | |
124 | static /*@dependent@*/ ltoken singleCharToken; | |
125 | static /*@dependent@*/ ltoken whiteCharToken; | |
126 | static /*@dependent@*/ ltoken quantifierSymToken; | |
127 | static /*@dependent@*/ ltoken logicalOpToken; | |
128 | static /*@dependent@*/ ltoken eqOpToken; | |
129 | static /*@dependent@*/ ltoken equationSymToken; | |
130 | static /*@dependent@*/ ltoken eqSepSymToken; | |
131 | static /*@dependent@*/ ltoken selectSymToken; | |
132 | static /*@dependent@*/ ltoken openSymToken; | |
133 | static /*@dependent@*/ ltoken sepSymToken; | |
134 | static /*@dependent@*/ ltoken closeSymToken; | |
135 | static /*@dependent@*/ ltoken simpleIdToken; | |
136 | static /*@dependent@*/ ltoken mapSymToken; | |
137 | static /*@dependent@*/ ltoken markerSymToken; | |
138 | static /*@dependent@*/ ltoken commentSymToken; | |
139 | static /*@dependent@*/ ltoken synonymToken; | |
140 | ||
141 | static bool | |
142 | hasFirstChar (ltoken tok) | |
143 | { | |
144 | return (ltoken_isChar (tok) | |
145 | && lscanCharClass (cstring_firstChar (ltoken_unparse (tok))) == SINGLECHAR); | |
146 | } | |
147 | ||
148 | void | |
149 | LSLProcessInitFile (void) | |
150 | { | |
151 | InitFile (); | |
152 | } | |
153 | ||
154 | /* | |
155 | ** | |
156 | ** Parsing functions for init file processing, in the same order as the | |
157 | ** grammar file lslinit.cfg. This is top-down order, as much as possible. | |
158 | ** | |
159 | */ | |
160 | ||
161 | static void | |
162 | InitFile (void) | |
163 | { | |
164 | InitLines (); | |
165 | InitReduce (INITFILE1); | |
166 | ||
167 | if (ltoken_getCode (nextToken) != LEOFTOKEN) | |
168 | { | |
169 | LocalUserError (nextToken, "unexpected tokens after end-of-file"); | |
170 | } | |
171 | } | |
172 | ||
173 | static void | |
174 | InitLines (void) | |
175 | { | |
176 | InitReduce (INITLINES1); | |
177 | ||
178 | if (ltoken_getCode (nextToken) != LEOFTOKEN) | |
179 | { | |
180 | InitLine (); | |
181 | InitReduce (INITLINES2); | |
182 | } | |
183 | ||
184 | while (ltoken_getCode (nextToken) != LEOFTOKEN) | |
185 | { | |
186 | InitLine (); | |
187 | InitReduce (INITLINES3); | |
188 | } | |
189 | ||
190 | } | |
191 | ||
192 | static void | |
193 | InitLine (void) | |
194 | { | |
195 | if (ltoken_getCode (nextToken) == LST_EOL) | |
196 | { | |
197 | /* Nothing on line. */ | |
198 | InitReduce (INITLINE1); | |
199 | } | |
200 | else | |
201 | { | |
202 | Classification (); | |
203 | InitReduce (INITLINE2); | |
204 | } | |
205 | ||
206 | if (ltoken_getCode (nextToken) != LST_EOL) | |
207 | { | |
208 | LocalUserError (nextToken, "Unexpected tokens on line"); | |
209 | } | |
210 | ||
211 | ltoken_free (nextToken); | |
212 | nextToken = LSLScanNextToken (); | |
213 | } | |
214 | ||
215 | static void | |
216 | Classification (void) | |
217 | { | |
218 | if (ltoken_getRawText (nextToken) == ltoken_getText (endCommentCharToken) | |
219 | || ltoken_getRawText (nextToken) == ltoken_getText (idCharToken) | |
220 | || ltoken_getRawText (nextToken) == ltoken_getText (opCharToken) | |
221 | || ltoken_getRawText (nextToken) == ltoken_getText (extensionCharToken) | |
222 | || ltoken_getRawText (nextToken) == ltoken_getText (singleCharToken) | |
223 | || ltoken_getRawText (nextToken) == ltoken_getText (whiteCharToken)) | |
224 | { | |
225 | CharClass (); | |
226 | InitReduce (CLASSIFICATION1); | |
227 | } | |
228 | else if (ltoken_getRawText (nextToken) == ltoken_getText (quantifierSymToken) | |
229 | || ltoken_getRawText (nextToken) == ltoken_getText (logicalOpToken) | |
230 | || ltoken_getRawText (nextToken) == ltoken_getText (eqOpToken) | |
231 | || ltoken_getRawText (nextToken) == ltoken_getText (equationSymToken) | |
232 | || ltoken_getRawText (nextToken) == ltoken_getText (eqSepSymToken) | |
233 | || ltoken_getRawText (nextToken) == ltoken_getText (selectSymToken) | |
234 | || ltoken_getRawText (nextToken) == ltoken_getText (openSymToken) | |
235 | || ltoken_getRawText (nextToken) == ltoken_getText (sepSymToken) | |
236 | || ltoken_getRawText (nextToken) == ltoken_getText (closeSymToken) | |
237 | || ltoken_getRawText (nextToken) == ltoken_getText (simpleIdToken) | |
238 | || ltoken_getRawText (nextToken) == ltoken_getText (mapSymToken) | |
239 | || ltoken_getRawText (nextToken) == ltoken_getText (markerSymToken) | |
240 | || ltoken_getRawText (nextToken) == ltoken_getText (commentSymToken)) | |
241 | { | |
242 | TokenClass (); | |
243 | InitReduce (CLASSIFICATION2); | |
244 | } | |
245 | else if (ltoken_getRawText (nextToken) == ltoken_getText (synonymToken)) | |
246 | { | |
247 | SynClass (); | |
248 | InitReduce (CLASSIFICATION3); | |
249 | } | |
250 | else | |
251 | { | |
252 | LocalUserError (nextToken, | |
253 | "expected character, token, or synonym classification"); | |
254 | } | |
255 | } | |
256 | ||
257 | static void | |
258 | CharClass (void) | |
259 | { | |
260 | ltoken charClassToken; | |
261 | ||
262 | charClassToken = nextToken; | |
263 | ||
264 | nextToken = LSLScanNextToken (); /* Discard char class keyword. */ | |
265 | ||
266 | if (ltoken_getRawText (charClassToken) == ltoken_getText (endCommentCharToken)) | |
267 | { | |
268 | EndCommentChars (); | |
269 | InitReduce (CHARCLASS1); | |
270 | } | |
271 | else if (ltoken_getRawText (charClassToken) == ltoken_getText (idCharToken)) | |
272 | { | |
273 | IdChars (); | |
274 | InitReduce (CHARCLASS2); | |
275 | } | |
276 | else if (ltoken_getRawText (charClassToken) == ltoken_getText (opCharToken)) | |
277 | { | |
278 | OpChars (); | |
279 | InitReduce (CHARCLASS3); | |
280 | } | |
281 | else if (ltoken_getRawText (charClassToken) | |
282 | == ltoken_getText (extensionCharToken)) | |
283 | { | |
284 | ExtensionChar (); | |
285 | InitReduce (CHARCLASS4); | |
286 | } | |
287 | else if (ltoken_getRawText (charClassToken) == ltoken_getText (singleCharToken)) | |
288 | { | |
289 | SingChars (); | |
290 | InitReduce (CHARCLASS5); | |
291 | } | |
292 | else if (ltoken_getRawText (charClassToken) == ltoken_getText (whiteCharToken)) | |
293 | { | |
294 | WhiteChars (); | |
295 | InitReduce (CHARCLASS6); | |
296 | } | |
297 | else | |
298 | { | |
299 | LocalUserError (nextToken, "expected character classification"); | |
300 | } | |
301 | ||
302 | ltoken_free (charClassToken); | |
303 | } | |
304 | ||
305 | static void | |
306 | EndCommentChars (void) | |
307 | { | |
308 | EndCommentChar (); | |
309 | InitReduce (LRC_ENDCOMMENT1); | |
310 | ||
311 | while (ltoken_getCode (nextToken) != LST_EOL) | |
312 | { | |
313 | EndCommentChar (); | |
314 | InitReduce (LRC_ENDCOMMENT2); | |
315 | } | |
316 | ||
317 | } | |
318 | ||
319 | static void | |
320 | IdChars (void) | |
321 | { | |
322 | IdChar (); | |
323 | InitReduce (IDCHARS1); | |
324 | ||
325 | while (ltoken_getCode (nextToken) != LST_EOL) | |
326 | { | |
327 | IdChar (); | |
328 | InitReduce (IDCHARS2); | |
329 | } | |
330 | } | |
331 | ||
332 | static void | |
333 | OpChars (void) | |
334 | { | |
335 | OpChar (); | |
336 | InitReduce (OPCHARS1); | |
337 | ||
338 | while (ltoken_getCode (nextToken) != LST_EOL) | |
339 | { | |
340 | OpChar (); | |
341 | InitReduce (OPCHARS2); | |
342 | } | |
343 | } | |
344 | ||
345 | static void | |
346 | ExtensionChar (void) | |
347 | { | |
348 | if (ltoken_isChar (nextToken) | |
349 | && lscanCharClass (cstring_firstChar (ltoken_unparse (nextToken))) == SINGLECHAR) | |
350 | { | |
351 | LSLGenShiftOnly (nextToken); | |
352 | nextToken = LSLScanNextToken (); | |
353 | InitReduce (LRC_EXTENSIONCHAR1); | |
354 | } | |
355 | else | |
356 | { | |
357 | LocalUserError (nextToken, "expected only one character"); | |
358 | } | |
359 | } | |
360 | ||
361 | static void | |
362 | SingChars (void) | |
363 | { | |
364 | SingChar (); | |
365 | InitReduce (SINGCHARS1); | |
366 | ||
367 | while (ltoken_getCode (nextToken) != LST_EOL) | |
368 | { | |
369 | SingChar (); | |
370 | InitReduce (SINGCHARS2); | |
371 | } | |
372 | } | |
373 | ||
374 | static void | |
375 | WhiteChars (void) | |
376 | { | |
377 | WhiteChar (); | |
378 | InitReduce (WHITECHARS1); | |
379 | ||
380 | while (ltoken_getCode (nextToken) != LST_EOL) | |
381 | { | |
382 | WhiteChar (); | |
383 | InitReduce (WHITECHARS2); | |
384 | } | |
385 | } | |
386 | ||
387 | static void | |
388 | EndCommentChar (void) | |
389 | { | |
390 | if (ltoken_isChar (nextToken)) | |
391 | { | |
392 | LSLGenShiftOnly (nextToken); | |
393 | nextToken = LSLScanNextToken (); | |
394 | InitReduce (LRC_ENDCOMMENTCHAR1); | |
395 | } | |
396 | else | |
397 | { | |
398 | LocalUserError (nextToken, "expected only one character"); | |
399 | } | |
400 | } | |
401 | ||
402 | static void | |
403 | IdChar (void) | |
404 | { | |
405 | if (hasFirstChar (nextToken)) | |
406 | { | |
407 | LSLGenShiftOnly (nextToken); | |
408 | nextToken = LSLScanNextToken (); | |
409 | InitReduce (IDCHAR1); | |
410 | } | |
411 | else | |
412 | { | |
413 | LocalUserError (nextToken, "character is already defined, cannot redefine"); | |
414 | } | |
415 | } | |
416 | ||
417 | static void | |
418 | OpChar (void) | |
419 | { | |
420 | if (hasFirstChar (nextToken)) | |
421 | { | |
422 | LSLGenShiftOnly (nextToken); | |
423 | nextToken = LSLScanNextToken (); | |
424 | InitReduce (OPCHAR1); | |
425 | } | |
426 | else | |
427 | { | |
428 | LocalUserError (nextToken, "character is already defined, cannot redefine"); | |
429 | } | |
430 | } | |
431 | ||
432 | static void | |
433 | SingChar (void) | |
434 | { | |
435 | if (hasFirstChar (nextToken)) | |
436 | { | |
437 | LSLGenShiftOnly (nextToken); | |
438 | nextToken = LSLScanNextToken (); | |
439 | InitReduce (SINGCHAR1); | |
440 | } | |
441 | else | |
442 | { | |
443 | LocalUserError (nextToken, "character is already defined, cannot redefine"); | |
444 | } | |
445 | } | |
446 | ||
447 | static void | |
448 | WhiteChar (void) | |
449 | { | |
450 | if (hasFirstChar (nextToken)) | |
451 | { | |
452 | LSLGenShiftOnly (nextToken); | |
453 | nextToken = LSLScanNextToken (); | |
454 | InitReduce (WHITECHAR1); | |
455 | } | |
456 | else | |
457 | { | |
458 | LocalUserError (nextToken, "character is already defined, cannot redefine"); | |
459 | } | |
460 | } | |
461 | ||
462 | static void | |
463 | TokenClass (void) | |
464 | { | |
465 | ltoken tokenClassToken; | |
466 | ||
467 | tokenClassToken = nextToken; | |
468 | ||
469 | nextToken = LSLScanNextToken (); | |
470 | ||
471 | if (ltoken_getRawText (tokenClassToken) == ltoken_getText (quantifierSymToken)) | |
472 | { | |
473 | QuantifierSymToks (); | |
474 | InitReduce (TOKENCLASS1); | |
475 | } | |
476 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (logicalOpToken)) | |
477 | { | |
478 | LogicalOpToks (); | |
479 | InitReduce (TOKENCLASS2); | |
480 | } | |
481 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (eqOpToken)) | |
482 | { | |
483 | EqOpToks (); | |
484 | InitReduce (TOKENCLASS3); | |
485 | } | |
486 | else if (ltoken_getRawText (tokenClassToken) | |
487 | == ltoken_getText (equationSymToken)) | |
488 | { | |
489 | EquationSymToks (); | |
490 | InitReduce (TOKENCLASS4); | |
491 | } | |
492 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (eqSepSymToken)) | |
493 | { | |
494 | EqSepSymToks (); | |
495 | InitReduce (TOKENCLASS5); | |
496 | } | |
497 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (selectSymToken)) | |
498 | { | |
499 | SelectSymToks (); | |
500 | InitReduce (TOKENCLASS6); | |
501 | } | |
502 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (openSymToken)) | |
503 | { | |
504 | OpenSymToks (); | |
505 | InitReduce (TOKENCLASS7); | |
506 | } | |
507 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (sepSymToken)) | |
508 | { | |
509 | SepSymToks (); | |
510 | InitReduce (TOKENCLASS8); | |
511 | } | |
512 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (closeSymToken)) | |
513 | { | |
514 | CloseSymToks (); | |
515 | InitReduce (TOKENCLASS9); | |
516 | } | |
517 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (simpleIdToken)) | |
518 | { | |
519 | SimpleIdToks (); | |
520 | InitReduce (TOKENCLASS10); | |
521 | } | |
522 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (mapSymToken)) | |
523 | { | |
524 | MapSymToks (); | |
525 | InitReduce (TOKENCLASS11); | |
526 | } | |
527 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (markerSymToken)) | |
528 | { | |
529 | MarkerSymToks (); | |
530 | InitReduce (TOKENCLASS12); | |
531 | } | |
532 | else if (ltoken_getRawText (tokenClassToken) | |
533 | == ltoken_getText (commentSymToken)) | |
534 | { | |
535 | CommentSymToks (); | |
536 | InitReduce (TOKENCLASS13); | |
537 | } | |
538 | else | |
539 | { | |
540 | LocalUserError (nextToken, "expected token classification"); | |
541 | } | |
542 | ||
543 | ltoken_free (tokenClassToken); | |
544 | } | |
545 | ||
546 | static void | |
547 | QuantifierSymToks (void) | |
548 | { | |
549 | QuantifierSymTok (); | |
550 | InitReduce (QUANTIFIERSYMTOKS1); | |
551 | ||
552 | while (ltoken_getCode (nextToken) != LST_EOL) | |
553 | { | |
554 | QuantifierSymTok (); | |
555 | InitReduce (QUANTIFIERSYMTOKS2); | |
556 | } | |
557 | } | |
558 | ||
559 | static void | |
560 | LogicalOpToks (void) | |
561 | { | |
562 | LogicalOpTok (); | |
563 | InitReduce (LOGICALOPTOKS1); | |
564 | ||
565 | while (ltoken_getCode (nextToken) != LST_EOL) | |
566 | { | |
567 | LogicalOpTok (); | |
568 | InitReduce (LOGICALOPTOKS2); | |
569 | } | |
570 | } | |
571 | ||
572 | static void | |
573 | EqOpToks (void) | |
574 | { | |
575 | EqOpTok (); | |
576 | InitReduce (LRC_EQOPTOKS1); | |
577 | ||
578 | while (ltoken_getCode (nextToken) != LST_EOL) | |
579 | { | |
580 | EqOpTok (); | |
581 | InitReduce (LRC_EQOPTOKS2); | |
582 | } | |
583 | } | |
584 | ||
585 | static void | |
586 | EquationSymToks (void) | |
587 | { | |
588 | EquationSymTok (); | |
589 | InitReduce (LRC_EQUATIONSYMTOKS1); | |
590 | ||
591 | while (ltoken_getCode (nextToken) != LST_EOL) | |
592 | { | |
593 | EquationSymTok (); | |
594 | InitReduce (LRC_EQUATIONSYMTOKS2); | |
595 | } | |
596 | } | |
597 | ||
598 | static void | |
599 | EqSepSymToks (void) | |
600 | { | |
601 | EqSepSymTok (); | |
602 | InitReduce (LRC_EQSEPSYMTOKS1); | |
603 | ||
604 | while (ltoken_getCode (nextToken) != LST_EOL) | |
605 | { | |
606 | EqSepSymTok (); | |
607 | InitReduce (LRC_EQSEPSYMTOKS2); | |
608 | } | |
609 | } | |
610 | ||
611 | static void | |
612 | SelectSymToks (void) | |
613 | { | |
614 | SelectSymTok (); | |
615 | InitReduce (SELECTSYMTOKS1); | |
616 | ||
617 | while (ltoken_getCode (nextToken) != LST_EOL) | |
618 | { | |
619 | SelectSymTok (); | |
620 | InitReduce (SELECTSYMTOKS2); | |
621 | } | |
622 | } | |
623 | ||
624 | static void | |
625 | OpenSymToks (void) | |
626 | { | |
627 | OpenSymTok (); | |
628 | InitReduce (OPENSYMTOKS1); | |
629 | ||
630 | while (ltoken_getCode (nextToken) != LST_EOL) | |
631 | { | |
632 | OpenSymTok (); | |
633 | InitReduce (OPENSYMTOKS2); | |
634 | } | |
635 | } | |
636 | ||
637 | static void | |
638 | SepSymToks (void) | |
639 | { | |
640 | SepSymTok (); | |
641 | InitReduce (SEPSYMTOKS1); | |
642 | ||
643 | while (ltoken_getCode (nextToken) != LST_EOL) | |
644 | { | |
645 | SepSymTok (); | |
646 | InitReduce (SEPSYMTOKS2); | |
647 | } | |
648 | } | |
649 | ||
650 | static void | |
651 | CloseSymToks (void) | |
652 | { | |
653 | CloseSymTok (); | |
654 | InitReduce (CLOSESYMTOKS1); | |
655 | ||
656 | while (ltoken_getCode (nextToken) != LST_EOL) | |
657 | { | |
658 | CloseSymTok (); | |
659 | InitReduce (CLOSESYMTOKS2); | |
660 | } | |
661 | } | |
662 | ||
663 | static void | |
664 | SimpleIdToks (void) | |
665 | { | |
666 | SimpleIdTok (); | |
667 | InitReduce (SIMPLEIDTOKS1); | |
668 | ||
669 | while (ltoken_getCode (nextToken) != LST_EOL) | |
670 | { | |
671 | SimpleIdTok (); | |
672 | InitReduce (SIMPLEIDTOKS2); | |
673 | } | |
674 | } | |
675 | ||
676 | static void | |
677 | MapSymToks (void) | |
678 | { | |
679 | MapSymTok (); | |
680 | InitReduce (MAPSYMTOKS1); | |
681 | ||
682 | while (ltoken_getCode (nextToken) != LST_EOL) | |
683 | { | |
684 | MapSymTok (); | |
685 | InitReduce (MAPSYMTOKS2); | |
686 | } | |
687 | } | |
688 | ||
689 | static void | |
690 | MarkerSymToks (void) | |
691 | { | |
692 | MarkerSymTok (); | |
693 | InitReduce (MARKERSYMTOKS1); | |
694 | ||
695 | while (ltoken_getCode (nextToken) != LST_EOL) | |
696 | { | |
697 | MarkerSymTok (); | |
698 | InitReduce (MARKERSYMTOKS2); | |
699 | } | |
700 | } | |
701 | ||
702 | static void | |
703 | CommentSymToks (void) | |
704 | { | |
705 | CommentSymTok (); | |
706 | InitReduce (COMMENTSYMTOKS1); | |
707 | ||
708 | while (ltoken_getCode (nextToken) != LST_EOL) | |
709 | { | |
710 | CommentSymTok (); | |
711 | InitReduce (COMMENTSYMTOKS2); | |
712 | } | |
713 | } | |
714 | ||
715 | static void | |
716 | QuantifierSymTok (void) | |
717 | { | |
718 | Token (); | |
719 | InitReduce (QUANTIFIERSYMTOK1); | |
720 | } | |
721 | ||
722 | static void | |
723 | LogicalOpTok (void) | |
724 | { | |
725 | Token (); | |
726 | InitReduce (LOGICALOPTOK1); | |
727 | } | |
728 | ||
729 | static void | |
730 | EqOpTok (void) | |
731 | { | |
732 | Token (); | |
733 | InitReduce (LRC_EQOPTOK1); | |
734 | } | |
735 | ||
736 | static void | |
737 | EquationSymTok (void) | |
738 | { | |
739 | /* ### EquationSymTok (); ### */ | |
740 | Token (); | |
741 | InitReduce (LRC_EQUATIONSYMTOK1); | |
742 | } | |
743 | ||
744 | static void | |
745 | EqSepSymTok (void) | |
746 | { | |
747 | Token (); | |
748 | InitReduce (LRC_EQSEPSYMTOK1); | |
749 | ||
750 | } | |
751 | ||
752 | static void | |
753 | SelectSymTok (void) | |
754 | { | |
755 | Token (); | |
756 | InitReduce (SELECTSYMTOK1); | |
757 | } | |
758 | ||
759 | static void | |
760 | OpenSymTok (void) | |
761 | { | |
762 | Token (); | |
763 | InitReduce (OPENSYMTOK1); | |
764 | } | |
765 | ||
766 | static void | |
767 | SepSymTok (void) | |
768 | { | |
769 | Token (); | |
770 | InitReduce (SEPSYMTOK1); | |
771 | } | |
772 | ||
773 | static void | |
774 | CloseSymTok (void) | |
775 | { | |
776 | Token (); | |
777 | InitReduce (CLOSESYMTOK1); | |
778 | } | |
779 | ||
780 | static void | |
781 | SimpleIdTok (void) | |
782 | { | |
783 | Token (); | |
784 | InitReduce (SIMPLEIDTOK1); | |
785 | } | |
786 | ||
787 | static void | |
788 | MapSymTok (void) | |
789 | { | |
790 | Token (); | |
791 | InitReduce (MAPSYMTOK1); | |
792 | } | |
793 | ||
794 | static void | |
795 | MarkerSymTok (void) | |
796 | { | |
797 | Token (); | |
798 | InitReduce (MARKERSYMTOK1); | |
799 | ||
800 | } | |
801 | ||
802 | static void | |
803 | CommentSymTok (void) | |
804 | { | |
805 | Token (); | |
806 | InitReduce (COMMENTSYMTOK1); | |
807 | } | |
808 | ||
809 | ||
810 | static void | |
811 | SynClass (void) | |
812 | { | |
813 | if (ltoken_getRawText (nextToken) == ltoken_getText (synonymToken)) | |
814 | { | |
815 | ltoken_free (nextToken); | |
816 | nextToken = LSLScanNextToken (); | |
817 | ||
818 | OldToken (); | |
819 | NewToken (); | |
820 | ||
821 | InitReduce (SYNCLASS1); | |
822 | } | |
823 | else | |
824 | { | |
825 | LocalUserError (nextToken, "expected synonym classification"); | |
826 | } | |
827 | ||
828 | } | |
829 | ||
830 | static void | |
831 | OldToken (void) | |
832 | { | |
833 | Token (); | |
834 | InitReduce (OLDTOKEN1); | |
835 | ||
836 | } | |
837 | ||
838 | static void | |
839 | NewToken (void) | |
840 | { | |
841 | Token (); | |
842 | InitReduce (NEWTOKEN1); | |
843 | ||
844 | } | |
845 | ||
846 | static void | |
847 | Token (void) | |
848 | { | |
849 | if (ltoken_getCode (nextToken) == LST_EOL | |
850 | || ltoken_getCode (nextToken) == LEOFTOKEN) | |
851 | { | |
852 | LocalUserError (nextToken, "unexpected end-of-line or end-of-file"); | |
853 | } | |
854 | else | |
855 | { | |
856 | LSLGenShiftOnly (nextToken); | |
857 | nextToken = LSLScanNextToken (); | |
858 | } | |
859 | } | |
860 | ||
861 | /* | |
862 | ** Init File Processing Routines, these routines use the shift-reduce sequence | |
863 | ** produced by the init file parser and update the necessary tables for the | |
864 | ** scanner. | |
865 | ** | |
866 | ** The same shift stack is used that LSL parser uses. A different reduce | |
867 | ** procedure is used because the init file grammar is different from the LSL | |
868 | ** grammar. | |
869 | ** | |
870 | */ | |
871 | ||
872 | static void | |
873 | InitReduce (LSLInitRuleCode rule) | |
874 | { | |
875 | switch (rule) | |
876 | { | |
877 | case INITFILE1: | |
878 | LTRACE ("INITFILE1"); | |
879 | break; | |
880 | ||
881 | case INITLINES1: | |
882 | LTRACE ("INITLINES1"); | |
883 | break; | |
884 | ||
885 | case INITLINES2: | |
886 | LTRACE ("INITLINES2"); | |
887 | break; | |
888 | ||
889 | case INITLINES3: | |
890 | LTRACE ("INITLINES3"); | |
891 | break; | |
892 | ||
893 | case INITLINE1: | |
894 | LTRACE ("INITLINE1"); | |
895 | break; | |
896 | ||
897 | case INITLINE2: | |
898 | LTRACE ("INITLINE2"); | |
899 | break; | |
900 | ||
901 | case CLASSIFICATION1: | |
902 | LTRACE ("CLASSIFICATION1"); | |
903 | break; | |
904 | ||
905 | case CLASSIFICATION2: | |
906 | LTRACE ("CLASSIFICATION2"); | |
907 | break; | |
908 | ||
909 | case CLASSIFICATION3: | |
910 | LTRACE ("CLASSIFICATION3"); | |
911 | break; | |
912 | ||
913 | case CHARCLASS1: | |
914 | LTRACE ("CHARCLASS1"); | |
915 | break; | |
916 | ||
917 | case CHARCLASS2: | |
918 | LTRACE ("CHARCLASS2"); | |
919 | break; | |
920 | ||
921 | case CHARCLASS3: | |
922 | LTRACE ("CHARCLASS3"); | |
923 | break; | |
924 | ||
925 | case CHARCLASS4: | |
926 | LTRACE ("CHARCLASS4"); | |
927 | break; | |
928 | ||
929 | case CHARCLASS5: | |
930 | LTRACE ("CHARCLASS5"); | |
931 | break; | |
932 | ||
933 | case CHARCLASS6: | |
934 | LTRACE ("CHARCLASS6"); | |
935 | break; | |
936 | ||
937 | case LRC_ENDCOMMENT1: | |
938 | LTRACE ("LRC_ENDCOMMENT1"); | |
939 | break; | |
940 | ||
941 | case LRC_ENDCOMMENT2: | |
942 | LTRACE ("LRC_ENDCOMMENT2"); | |
943 | break; | |
944 | ||
945 | case IDCHARS1: | |
946 | LTRACE ("IDCHARS1"); | |
947 | break; | |
948 | ||
949 | case IDCHARS2: | |
950 | LTRACE ("IDCHARS2"); | |
951 | break; | |
952 | ||
953 | case OPCHARS1: | |
954 | LTRACE ("OPCHARS1"); | |
955 | break; | |
956 | ||
957 | case OPCHARS2: | |
958 | LTRACE ("OPCHARS2"); | |
959 | break; | |
960 | ||
961 | case LRC_EXTENSIONCHAR1: | |
962 | LTRACE ("LRC_EXTENSIONCHAR1"); | |
963 | ProcessExtensionChar (); | |
964 | break; | |
965 | ||
966 | case SINGCHARS1: | |
967 | LTRACE ("SINGCHARS1"); | |
968 | break; | |
969 | ||
970 | case SINGCHARS2: | |
971 | LTRACE ("SINGCHARS2"); | |
972 | break; | |
973 | ||
974 | case WHITECHARS1: | |
975 | LTRACE ("WHITECHARS1"); | |
976 | break; | |
977 | ||
978 | case WHITECHARS2: | |
979 | LTRACE ("WHITECHARS2"); | |
980 | break; | |
981 | ||
982 | case LRC_ENDCOMMENTCHAR1: | |
983 | LTRACE ("LRC_ENDCOMMENTCHAR1"); | |
984 | ProcessEndCommentChar (); | |
985 | break; | |
986 | ||
987 | case IDCHAR1: | |
988 | LTRACE ("IDCHAR1"); | |
989 | ProcessSingleChar (IDCHAR); | |
990 | break; | |
991 | ||
992 | case OPCHAR1: | |
993 | LTRACE ("OPCHAR1"); | |
994 | ProcessSingleChar (OPCHAR); | |
995 | break; | |
996 | ||
997 | case SINGCHAR1: | |
998 | LTRACE ("SINGCHAR1"); | |
999 | ProcessSingleChar (SINGLECHAR); | |
1000 | break; | |
1001 | ||
1002 | case WHITECHAR1: | |
1003 | LTRACE ("CHAR1"); | |
1004 | ProcessSingleChar (WHITECHAR); | |
1005 | break; | |
1006 | ||
1007 | case TOKENCLASS1: | |
1008 | LTRACE ("TOKENCLASS1"); | |
1009 | break; | |
1010 | ||
1011 | case TOKENCLASS2: | |
1012 | LTRACE ("TOKENCLASS2"); | |
1013 | break; | |
1014 | ||
1015 | case TOKENCLASS3: | |
1016 | LTRACE ("TOKENCLASS3"); | |
1017 | break; | |
1018 | ||
1019 | case TOKENCLASS4: | |
1020 | LTRACE ("TOKENCLASS4"); | |
1021 | break; | |
1022 | ||
1023 | case TOKENCLASS5: | |
1024 | LTRACE ("TOKENCLASS5"); | |
1025 | break; | |
1026 | ||
1027 | case TOKENCLASS6: | |
1028 | LTRACE ("TOKENCLASS6"); | |
1029 | break; | |
1030 | ||
1031 | case TOKENCLASS7: | |
1032 | LTRACE ("TOKENCLASS7"); | |
1033 | break; | |
1034 | ||
1035 | case TOKENCLASS8: | |
1036 | LTRACE ("TOKENCLASS8"); | |
1037 | break; | |
1038 | ||
1039 | case TOKENCLASS9: | |
1040 | LTRACE ("TOKENCLASS9"); | |
1041 | break; | |
1042 | ||
1043 | case TOKENCLASS10: | |
1044 | LTRACE ("TOKENCLASS10"); | |
1045 | break; | |
1046 | ||
1047 | case TOKENCLASS11: | |
1048 | LTRACE ("TOKENCLASS11"); | |
1049 | break; | |
1050 | ||
1051 | case TOKENCLASS12: | |
1052 | LTRACE ("TOKENCLASS12"); | |
1053 | break; | |
1054 | ||
1055 | case TOKENCLASS13: | |
1056 | LTRACE ("TOKENCLASS13"); | |
1057 | break; | |
1058 | ||
1059 | case QUANTIFIERSYMTOKS1: | |
1060 | LTRACE ("QUALIFERSYMTOKS1"); | |
1061 | break; | |
1062 | ||
1063 | case QUANTIFIERSYMTOKS2: | |
1064 | LTRACE ("QUANTIFIERSYMTOKS2"); | |
1065 | break; | |
1066 | ||
1067 | case LOGICALOPTOKS1: | |
1068 | LTRACE ("LOGICALOPTOKS1"); | |
1069 | break; | |
1070 | ||
1071 | case LOGICALOPTOKS2: | |
1072 | LTRACE ("LOGICALOPTOKS2"); | |
1073 | break; | |
1074 | ||
1075 | case LRC_EQOPTOKS1: | |
1076 | LTRACE ("LRC_EQOPTOKS1"); | |
1077 | break; | |
1078 | ||
1079 | case LRC_EQOPTOKS2: | |
1080 | LTRACE ("LRC_EQOPTOKS2"); | |
1081 | break; | |
1082 | ||
1083 | case LRC_EQUATIONSYMTOKS1: | |
1084 | LTRACE ("LRC_EQUATIONSYMTOKS1"); | |
1085 | break; | |
1086 | ||
1087 | case LRC_EQUATIONSYMTOKS2: | |
1088 | LTRACE ("LRC_EQUATIONSYMTOKS2"); | |
1089 | break; | |
1090 | ||
1091 | case LRC_EQSEPSYMTOKS1: | |
1092 | LTRACE ("LRC_EQSEPSYMTOKS1"); | |
1093 | break; | |
1094 | ||
1095 | case LRC_EQSEPSYMTOKS2: | |
1096 | LTRACE ("LRC_EQSEPSYMTOKS2"); | |
1097 | break; | |
1098 | ||
1099 | case SELECTSYMTOKS1: | |
1100 | LTRACE ("SELECTSYMTOKS1"); | |
1101 | break; | |
1102 | ||
1103 | case SELECTSYMTOKS2: | |
1104 | LTRACE ("SELECTSYMTOKS2"); | |
1105 | break; | |
1106 | ||
1107 | case OPENSYMTOKS1: | |
1108 | LTRACE ("OPENSYMTOKS1"); | |
1109 | break; | |
1110 | ||
1111 | case OPENSYMTOKS2: | |
1112 | LTRACE ("OPENSYMTOKS2"); | |
1113 | break; | |
1114 | ||
1115 | case SEPSYMTOKS1: | |
1116 | LTRACE ("SEPSYMTOKS1"); | |
1117 | break; | |
1118 | ||
1119 | case SEPSYMTOKS2: | |
1120 | LTRACE ("SEPSYMTOKS2"); | |
1121 | break; | |
1122 | ||
1123 | case CLOSESYMTOKS1: | |
1124 | LTRACE ("CLOSESYMTOKS1"); | |
1125 | break; | |
1126 | ||
1127 | case CLOSESYMTOKS2: | |
1128 | LTRACE ("CLOSESYMTOKS2"); | |
1129 | break; | |
1130 | ||
1131 | case SIMPLEIDTOKS1: | |
1132 | LTRACE ("SIMPLEIDTOKS1"); | |
1133 | break; | |
1134 | ||
1135 | case SIMPLEIDTOKS2: | |
1136 | LTRACE ("SIMPLEIDTOKS2"); | |
1137 | break; | |
1138 | ||
1139 | case MAPSYMTOKS1: | |
1140 | LTRACE ("MAPSYMTOKS1"); | |
1141 | break; | |
1142 | ||
1143 | case MAPSYMTOKS2: | |
1144 | LTRACE ("MAPSYMTOKS2"); | |
1145 | break; | |
1146 | ||
1147 | case MARKERSYMTOKS1: | |
1148 | LTRACE ("MARKERSYMTOKS1"); | |
1149 | break; | |
1150 | ||
1151 | case MARKERSYMTOKS2: | |
1152 | LTRACE ("MARKERSYMTOKS2"); | |
1153 | break; | |
1154 | ||
1155 | case COMMENTSYMTOKS1: | |
1156 | LTRACE ("COMMENTSYMTOKS1"); | |
1157 | break; | |
1158 | ||
1159 | case COMMENTSYMTOKS2: | |
1160 | LTRACE ("COMMENTSYMTOKS2"); | |
1161 | break; | |
1162 | ||
1163 | case QUANTIFIERSYMTOK1: | |
1164 | LTRACE ("QUANTIFERSYMTOK1"); | |
1165 | ProcessToken (LST_QUANTIFIERSYM); | |
1166 | break; | |
1167 | ||
1168 | case LOGICALOPTOK1: | |
1169 | LTRACE ("LOGICALOPTOK1"); | |
1170 | ProcessToken (LST_LOGICALOP); | |
1171 | break; | |
1172 | ||
1173 | case LRC_EQOPTOK1: | |
1174 | LTRACE ("LRC_EQOPTOK1"); | |
1175 | ProcessToken (LST_EQOP); | |
1176 | break; | |
1177 | ||
1178 | case LRC_EQUATIONSYMTOK1: | |
1179 | LTRACE ("LRC_EQUATIONSYMTOK1"); | |
1180 | ProcessToken (LST_EQUATIONSYM); | |
1181 | break; | |
1182 | ||
1183 | case LRC_EQSEPSYMTOK1: | |
1184 | LTRACE ("LRC_EQSEPSYMTOK1"); | |
1185 | ProcessToken (LST_EQSEPSYM); | |
1186 | break; | |
1187 | ||
1188 | case SELECTSYMTOK1: | |
1189 | LTRACE ("SELECTSYMTOK1"); | |
1190 | ProcessToken (LST_SELECTSYM); | |
1191 | break; | |
1192 | ||
1193 | case OPENSYMTOK1: | |
1194 | LTRACE ("OPENSYMTOK1"); | |
1195 | ProcessToken (LST_OPENSYM); | |
1196 | break; | |
1197 | ||
1198 | case SEPSYMTOK1: | |
1199 | LTRACE ("SEPSYMTOK1"); | |
1200 | ProcessToken (LST_SEPSYM); | |
1201 | break; | |
1202 | ||
1203 | case CLOSESYMTOK1: | |
1204 | LTRACE ("CLOSESYMTOK1"); | |
1205 | ProcessToken (LST_CLOSESYM); | |
1206 | break; | |
1207 | ||
1208 | case SIMPLEIDTOK1: | |
1209 | LTRACE ("SIMPLEIDTOK1"); | |
1210 | ProcessToken (LST_SIMPLEID); | |
1211 | break; | |
1212 | ||
1213 | case MAPSYMTOK1: | |
1214 | LTRACE ("MAPSYMTOK1"); | |
1215 | ProcessToken (LST_MAPSYM); | |
1216 | break; | |
1217 | ||
1218 | case MARKERSYMTOK1: | |
1219 | LTRACE ("MARKERSYMTOK1"); | |
1220 | ProcessToken (LST_MARKERSYM); | |
1221 | break; | |
1222 | ||
1223 | case COMMENTSYMTOK1: | |
1224 | LTRACE ("COMMENTSYMTOK1"); | |
1225 | ProcessToken (LST_COMMENTSYM); | |
1226 | break; | |
1227 | ||
1228 | case SYNCLASS1: | |
1229 | LTRACE ("SYNCLASS1"); | |
1230 | ProcessSynonym (); | |
1231 | break; | |
1232 | ||
1233 | case OLDTOKEN1: | |
1234 | LTRACE ("OLDTOKEN1"); | |
1235 | break; | |
1236 | ||
1237 | case NEWTOKEN1: | |
1238 | LTRACE ("NEWTOKEN1"); | |
1239 | break; | |
1240 | ||
1241 | default: | |
1242 | llcontbuglit ("InitReduce: bad switch"); | |
1243 | break; | |
1244 | ||
1245 | } /* end switch */ | |
1246 | } /* end InitReduce () */ | |
1247 | ||
1248 | ||
1249 | ||
1250 | /* Reset the first character of the predefined extensionChar keywords when */ | |
1251 | /* the extensionChar changes. e.g. "extensionChar @" changes "forall" to */ | |
1252 | /* "@forall". */ | |
1253 | ||
1254 | static void | |
1255 | UpdateXCharKeywords (charCode xCharCode) | |
1256 | { | |
1257 | char xChar = (char) xCharCode; | |
1258 | char *str; | |
1259 | ||
1260 | str = ltoken_getTextChars (ltoken_forall); | |
1261 | *str = xChar; | |
1262 | ||
1263 | str = ltoken_getTextChars (ltoken_and); | |
1264 | *str = xChar; | |
1265 | ||
1266 | str = ltoken_getTextChars (ltoken_or); | |
1267 | *str = xChar; | |
1268 | ||
1269 | str = ltoken_getTextChars (ltoken_implies); | |
1270 | *str = xChar; | |
1271 | ||
1272 | str = ltoken_getTextChars (ltoken_eq); | |
1273 | *str = xChar; | |
1274 | ||
1275 | str = ltoken_getTextChars (ltoken_neq); | |
1276 | *str = xChar; | |
1277 | ||
1278 | str = ltoken_getTextChars (ltoken_equals); | |
1279 | *str = xChar; | |
1280 | ||
1281 | str = ltoken_getTextChars (ltoken_eqsep); | |
1282 | *str = xChar; | |
1283 | ||
1284 | str = ltoken_getTextChars (ltoken_select); | |
1285 | *str = xChar; | |
1286 | ||
1287 | str = ltoken_getTextChars (ltoken_open); | |
1288 | *str = xChar; | |
1289 | ||
1290 | str = ltoken_getTextChars (ltoken_sep); | |
1291 | *str = xChar; | |
1292 | ||
1293 | str = ltoken_getTextChars (ltoken_close); | |
1294 | *str = xChar; | |
1295 | ||
1296 | str = ltoken_getTextChars (ltoken_id); | |
1297 | *str = xChar; | |
1298 | ||
1299 | str = ltoken_getTextChars (ltoken_arrow); | |
1300 | *str = xChar; | |
1301 | ||
1302 | str = ltoken_getTextChars (ltoken_marker); | |
1303 | *str = xChar; | |
1304 | ||
1305 | str = ltoken_getTextChars (ltoken_comment); | |
1306 | *str = xChar; | |
1307 | ||
1308 | } | |
1309 | ||
1310 | /* Different from ProcessCharClass because only allow one extension */ | |
1311 | /* character. Therefore, the present extension character must be set to a */ | |
1312 | /* singleChar. */ | |
1313 | ||
1314 | static void | |
1315 | ProcessExtensionChar (void) | |
1316 | { | |
1317 | ltoken stackToken = LSLGenTopPopShiftStack (); | |
1318 | char firstChar = cstring_firstChar (ltoken_unparse (stackToken)); | |
1319 | ||
1320 | if (!defineSingleChar[(int)firstChar] | |
1321 | && lscanCharClass (firstChar) == SINGLECHAR) | |
1322 | { | |
1323 | /* Is a single character that has not been defined before. */ | |
1324 | /* Can only have one extension char. Release old one. */ | |
1325 | lsetCharClass (firstChar, CHC_EXTENSION); | |
1326 | ||
1b8ae690 | 1327 | /* this is a (bogus) type bug! caught by splint */ |
616915dd | 1328 | /* lsetCharClass (currentExtensionChar, SINGLECHAR); */ |
1329 | ||
1330 | lsetCharClass ((char) currentExtensionChar, SINGLECHAR); | |
1331 | ||
1332 | currentExtensionChar = (charCode) firstChar; | |
1333 | UpdateXCharKeywords (currentExtensionChar); | |
1334 | } | |
1335 | else | |
1336 | { | |
1337 | /* Already redefined. Don't allow to be redefined. */ | |
1338 | LocalUserError (stackToken, "character is already defined, cannot redefine"); | |
1339 | } | |
1340 | ltoken_free (stackToken); | |
1341 | } | |
1342 | ||
1343 | /* Different from ProcessSingleChar because allow any characters to be */ | |
1344 | /* endCommentChar and also set a different part of the scanner structure. */ | |
1345 | ||
1346 | static void | |
1347 | ProcessEndCommentChar (void) | |
1348 | { | |
1349 | ltoken stackToken = LSLGenTopPopShiftStack (); | |
1350 | char firstChar = cstring_firstChar (ltoken_unparse (stackToken)); | |
1351 | ||
1352 | if (LSLIsEndComment (firstChar)) | |
1353 | { | |
1354 | LocalUserError (stackToken, | |
1355 | "already defined as a endCommentChar, cannot redefine"); | |
1356 | } | |
1357 | else | |
1358 | { | |
1359 | lsetEndCommentChar (firstChar, TRUE); | |
1360 | } | |
1361 | ltoken_free (stackToken); | |
1362 | } | |
1363 | ||
1364 | static void | |
1365 | ProcessSingleChar (charCode code) | |
1366 | { | |
1367 | ltoken stackToken = LSLGenTopPopShiftStack (); | |
1368 | char firstChar = cstring_firstChar (ltoken_unparse (stackToken)); | |
1369 | ||
1370 | if (!defineSingleChar[(int)firstChar] | |
1371 | && lscanCharClass (firstChar) == SINGLECHAR) | |
1372 | { | |
1373 | /* Is a single character that has not been defined before. */ | |
1374 | /* It's OK to redefine once. */ | |
1375 | lsetCharClass (firstChar, code); | |
1376 | /* OK to mark as a defined singleChar even if not. Only check */ | |
1377 | /* defineSingleChar[] if defining a singleChar. */ | |
1378 | defineSingleChar[(int)firstChar] = TRUE; | |
1379 | } | |
1380 | else | |
1381 | { | |
1382 | LocalUserError (stackToken, "character is already defined, cannot redefine"); | |
1383 | } | |
1384 | ltoken_free (stackToken); | |
1385 | } | |
1386 | ||
1387 | static void | |
1388 | ProcessToken (ltokenCode code) | |
1389 | { | |
1390 | ltoken stackToken, temp; | |
1391 | lsymbol sym; | |
1392 | ||
1393 | stackToken = LSLGenTopPopShiftStack (); | |
1394 | sym = ltoken_getText (stackToken); | |
1395 | ||
1396 | if (LSLIsSyn (sym)) | |
1397 | { | |
1398 | LocalUserError (stackToken, | |
1399 | "already defined as a synonym, cannot redefine"); | |
1400 | } | |
1401 | ||
1402 | /* Get the token from the token table, so can check if the token */ | |
1403 | /* was updated by a previous token. */ | |
1404 | temp = LSLGetToken (sym); | |
1405 | ||
1406 | if (ltoken_isStateDefined (temp)) | |
1407 | { | |
1408 | if ((code == LST_OPENSYM && sym == lsymbol_fromChars ("[")) || | |
1409 | (code == LST_CLOSESYM && sym == lsymbol_fromChars ("]"))) | |
1410 | { | |
1411 | /* ignore "openSym [" and "closeSym ]" TokenClass */ | |
1412 | ltoken_free (stackToken); | |
1413 | return; | |
1414 | } | |
1415 | else | |
1416 | { | |
1417 | LocalUserError (stackToken, "already defined, cannot redefine"); | |
1418 | PrintToken (temp); | |
1419 | } | |
1420 | } | |
1421 | ||
1422 | LSLUpdateToken (code, ltoken_getText (stackToken), TRUE); | |
1423 | ltoken_free (stackToken); | |
1424 | } | |
1425 | ||
1426 | ||
1427 | static void | |
1428 | ProcessSynonym (void) | |
1429 | { | |
1430 | ltoken newtok; | |
1431 | ltoken oldtok; | |
1432 | ||
1433 | newtok = LSLGenTopPopShiftStack (); | |
1434 | oldtok = LSLGenTopPopShiftStack (); | |
1435 | ||
1436 | if (ltoken_wasSyn (newtok)) | |
1437 | { | |
1438 | /* The token has a synonym. This means that the synonym was in the */ | |
1439 | /* init file, so complain about redefining as a synonym again */ | |
1440 | LocalUserError (newtok, "newtok already is a synonym, cannot redefine"); | |
1441 | } | |
1442 | ||
1443 | if (ltoken_hasSyn (newtok)) | |
1444 | { | |
1445 | /* | |
1446 | ** newtok already has a synonym defined for it. Do not allow | |
1447 | ** synonyms to be chained. | |
1448 | */ | |
1449 | ||
1450 | LocalUserError (newtok, | |
1451 | "newtok already has a synonym, cannot chain synonyms"); | |
1452 | } | |
1453 | ||
1454 | if (ltoken_isStateDefined (newtok)) | |
1455 | { | |
1456 | LocalUserError (newtok, "newtok already defined, cannot redefine"); | |
1457 | } | |
1458 | ||
1459 | LSLAddSyn (ltoken_getText (newtok), ltoken_getText (oldtok)); | |
1460 | ltoken_free (oldtok); | |
1461 | ltoken_free (newtok); | |
1462 | } | |
1463 | ||
1464 | ||
1465 | /* | |
1466 | * Utilities, in alphabetical order | |
1467 | */ | |
1468 | ||
1469 | static void | |
1470 | LocalUserError (ltoken t, /*@temp@*/ char *msg) | |
1471 | { | |
1472 | lldiagmsg (message ("%s %s in the LSL init file:", | |
1473 | ltoken_unparse (t), cstring_fromChars (msg))); | |
1474 | ||
1475 | ltoken_free (nextToken); | |
1476 | nextToken = LSLScanNextToken (); | |
1477 | ||
1478 | while (ltoken_getCode (nextToken) != LST_EOL) | |
1479 | { | |
1480 | ltoken_free (nextToken); | |
1481 | nextToken = LSLScanNextToken (); | |
1482 | } | |
1483 | } | |
1484 | ||
1485 | /* | |
1486 | ** Required initialization and cleanup routines | |
1487 | */ | |
1488 | ||
1489 | static /*@exposed@*/ ltoken insertSimpleToken (char *text) | |
1490 | /*@modifies internalState@*/ | |
1491 | { | |
1492 | return (LSLInsertToken (LST_SIMPLEID, lsymbol_fromChars (text), 0, FALSE)); | |
1493 | } | |
1494 | ||
1495 | void | |
1496 | LSLProcessInitFileInit (void) | |
1497 | { | |
1498 | int i; | |
1499 | ||
1500 | LSLGenInit (TRUE); /* parsing LSLinit not LCLinit */ | |
1501 | ||
1502 | /* | |
1503 | ** Insert the init file keywords into the token table as undefined | |
1504 | ** SIMPLEIDs. They are defined as simpleIds since they must be treated | |
1505 | ** that way if they do not appear as the first token on a line, and | |
1506 | ** they must be treated that way for the actual LSL parsing. Save the | |
1507 | ** tokens so can recognize as init file keywords when necessary. | |
1508 | */ | |
1509 | ||
1510 | endCommentCharToken = insertSimpleToken ("endCommentChar"); | |
1511 | idCharToken = insertSimpleToken ("idChar"); | |
1512 | opCharToken = insertSimpleToken ("opChar"); | |
1513 | extensionCharToken = insertSimpleToken ("extensionChar"); | |
1514 | singleCharToken = insertSimpleToken ("singleChar"); | |
1515 | whiteCharToken = insertSimpleToken ("whiteChar"); | |
1516 | ||
1517 | quantifierSymToken = insertSimpleToken ("quantifierSym"); | |
1518 | logicalOpToken = insertSimpleToken ("logicalOp"); | |
1519 | eqOpToken = insertSimpleToken ("eqOp"); | |
1520 | equationSymToken = insertSimpleToken ("equationSym"); | |
1521 | eqSepSymToken = insertSimpleToken ("eqSepSym"); | |
1522 | selectSymToken = insertSimpleToken ("selectSym"); | |
1523 | openSymToken = insertSimpleToken ("openSym"); | |
1524 | sepSymToken = insertSimpleToken ("sepSym"); | |
1525 | closeSymToken = insertSimpleToken ("closeSym"); | |
1526 | simpleIdToken = insertSimpleToken ("simpleId"); | |
1527 | mapSymToken = insertSimpleToken ("mapSym"); | |
1528 | markerSymToken = insertSimpleToken ("markerSym"); | |
1529 | commentSymToken = insertSimpleToken ("commentSym"); | |
1530 | synonymToken = insertSimpleToken ("synonym"); | |
1531 | ||
1532 | for (i = 0; i <= LASTCHAR; i++) | |
1533 | { | |
1534 | defineSingleChar[i] = FALSE; | |
1535 | } | |
1536 | ||
1537 | /* | |
1538 | ** Record the current extension character so can redefine back to | |
1539 | ** singleChar if a new extension character is redefined. | |
1540 | */ | |
1541 | ||
1542 | currentExtensionChar = (charCode) CHAREXTENDER; | |
1543 | ||
1544 | LSLReportEolTokens (TRUE); | |
1545 | ltoken_free (nextToken); | |
1546 | nextToken = LSLScanNextToken (); | |
1547 | } | |
1548 | ||
1549 | ||
1550 | ||
1551 | ||
1552 | ||
1553 | ||
1554 | ||
1555 |