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843c0c7a | 1 | /* |
2 | ** Splint - annotation-assisted static program checker | |
3 | ** Copyright (C) 1994-2002 University of Virginia, | |
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 | ** | |
20 | ** For information on splint: info@splint.org | |
21 | ** To report a bug: splint-bug@splint.org | |
22 | ** For more information: http://www.splint.org | |
23 | */ | |
24 | /* | |
25 | ** lslinit.c | |
26 | ** | |
27 | ** Processor for Larch Shared Language Init Files | |
28 | */ | |
29 | ||
30 | # include "splintMacros.nf" | |
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 | # include "lclinit.h" | |
40 | ||
41 | /* needed to parse init files */ | |
42 | # include "shift.h" | |
43 | #if TRACING == 1 | |
44 | /*@notfunction@*/ | |
45 | # define LTRACE(rule) printf ("Reducing: %s\n", rule) | |
46 | #else | |
47 | /*@notfunction@*/ | |
48 | # define LTRACE(rule) | |
49 | #endif | |
50 | ||
51 | static void LocalUserError (ltoken p_t, /*@temp@*/ char *p_msg) | |
52 | /*@modifies *g_warningstream@*/; | |
53 | ||
54 | static /*@only@*/ ltoken nextToken; | |
55 | ||
56 | static /*@only@*/ /*@null@*/ inputStream s_initFile = inputStream_undefined; | |
57 | ||
58 | static void InitFile (void) /*@modifies nextToken@*/ ; | |
59 | static void InitLines (void) /*@modifies nextToken@*/ ; | |
60 | static void InitLine (void) /*@modifies nextToken@*/ ; | |
61 | static void Classification (void) /*@modifies nextToken@*/ ; | |
62 | static void CharClass (void) /*@modifies nextToken@*/ ; | |
63 | ||
64 | static void EndCommentChars (void) /*@modifies nextToken@*/ ; | |
65 | static void IdChars (void) /*@modifies nextToken@*/ ; | |
66 | static void OpChars (void) /*@modifies nextToken@*/ ; | |
67 | static void ExtensionChar (void) /*@modifies nextToken@*/ ; | |
68 | static void SingChars (void) /*@modifies nextToken@*/ ; | |
69 | static void WhiteChars (void) /*@modifies nextToken@*/ ; | |
70 | static void EndCommentChar (void) /*@modifies nextToken@*/ ; | |
71 | static void IdChar (void) /*@modifies nextToken@*/ ; | |
72 | static void OpChar (void) /*@modifies nextToken@*/ ; | |
73 | static void SingChar (void) /*@modifies nextToken@*/ ; | |
74 | static void WhiteChar (void) /*@modifies nextToken@*/ ; | |
75 | ||
76 | static void TokenClass (void) /*@modifies nextToken@*/ ; | |
77 | static void QuantifierSymToks (void) /*@modifies nextToken@*/ ; | |
78 | static void LogicalOpToks (void) /*@modifies nextToken@*/ ; | |
79 | static void EqOpToks (void) /*@modifies nextToken@*/ ; | |
80 | static void EquationSymToks (void) /*@modifies nextToken@*/ ; | |
81 | static void EqSepSymToks (void) /*@modifies nextToken@*/ ; | |
82 | static void SelectSymToks (void) /*@modifies nextToken@*/ ; | |
83 | static void OpenSymToks (void) /*@modifies nextToken@*/ ; | |
84 | static void SepSymToks (void) /*@modifies nextToken@*/ ; | |
85 | static void CloseSymToks (void) /*@modifies nextToken@*/ ; | |
86 | static void SimpleIdToks (void) /*@modifies nextToken@*/ ; | |
87 | static void MapSymToks (void) /*@modifies nextToken@*/ ; | |
88 | static void MarkerSymToks (void) /*@modifies nextToken@*/ ; | |
89 | static void CommentSymToks (void) /*@modifies nextToken@*/ ; | |
90 | static void QuantifierSymTok (void) /*@modifies nextToken@*/ ; | |
91 | static void LogicalOpTok (void) /*@modifies nextToken@*/ ; | |
92 | static void EqOpTok (void) /*@modifies nextToken@*/ ; | |
93 | static void EquationSymTok (void) /*@modifies nextToken@*/ ; | |
94 | static void EqSepSymTok (void) /*@modifies nextToken@*/ ; | |
95 | static void SelectSymTok (void) /*@modifies nextToken@*/ ; | |
96 | static void OpenSymTok (void) /*@modifies nextToken@*/ ; | |
97 | static void SepSymTok (void) /*@modifies nextToken@*/ ; | |
98 | static void CloseSymTok (void) /*@modifies nextToken@*/ ; | |
99 | static void SimpleIdTok (void) /*@modifies nextToken@*/ ; | |
100 | static void MapSymTok (void) /*@modifies nextToken@*/ ; | |
101 | static void MarkerSymTok (void) /*@modifies nextToken@*/ ; | |
102 | static void CommentSymTok (void) /*@modifies nextToken@*/ ; | |
103 | static void SynClass (void) /*@modifies nextToken@*/ ; | |
104 | static void OldToken (void) /*@modifies nextToken@*/ ; | |
105 | static void NewToken (void) /*@modifies nextToken@*/ ; | |
106 | static void Token (void) /*@modifies nextToken@*/ ; | |
107 | ||
108 | static void InitReduce (LSLInitRuleCode p_rule) /*@modifies nextToken@*/ ; | |
109 | static void UpdateXCharKeywords (charCode) /*@modifies nextToken@*/ ; | |
110 | static void ProcessExtensionChar (void) /*@modifies nextToken@*/ ; | |
111 | static void ProcessEndCommentChar (void) /*@modifies nextToken@*/ ; | |
112 | static void ProcessSingleChar (charCode p_code) /*@modifies nextToken@*/ ; | |
113 | static void ProcessToken (ltokenCode p_code) /*@modifies nextToken@*/ ; | |
114 | static void ProcessSynonym (void) /*@modifies nextToken@*/ ; | |
115 | ||
116 | /* If TRUE character has been redefined as a singleChar. */ | |
117 | static bool defineSingleChar[LASTCHAR + 1]; | |
118 | ||
119 | static charCode currentExtensionChar; | |
120 | ||
121 | /* LSL init file keyword tokens. */ | |
122 | ||
123 | static /*@dependent@*/ ltoken endCommentCharToken; | |
124 | static /*@dependent@*/ ltoken idCharToken; | |
125 | static /*@dependent@*/ ltoken opCharToken; | |
126 | static /*@dependent@*/ ltoken extensionCharToken; | |
127 | static /*@dependent@*/ ltoken singleCharToken; | |
128 | static /*@dependent@*/ ltoken whiteCharToken; | |
129 | static /*@dependent@*/ ltoken quantifierSymToken; | |
130 | static /*@dependent@*/ ltoken logicalOpToken; | |
131 | static /*@dependent@*/ ltoken eqOpToken; | |
132 | static /*@dependent@*/ ltoken equationSymToken; | |
133 | static /*@dependent@*/ ltoken eqSepSymToken; | |
134 | static /*@dependent@*/ ltoken selectSymToken; | |
135 | static /*@dependent@*/ ltoken openSymToken; | |
136 | static /*@dependent@*/ ltoken sepSymToken; | |
137 | static /*@dependent@*/ ltoken closeSymToken; | |
138 | static /*@dependent@*/ ltoken simpleIdToken; | |
139 | static /*@dependent@*/ ltoken mapSymToken; | |
140 | static /*@dependent@*/ ltoken markerSymToken; | |
141 | static /*@dependent@*/ ltoken commentSymToken; | |
142 | static /*@dependent@*/ ltoken synonymToken; | |
143 | ||
144 | static bool | |
145 | hasFirstChar (ltoken tok) | |
146 | { | |
147 | return (ltoken_isChar (tok) | |
148 | && lscanCharClass (cstring_firstChar (ltoken_unparse (tok))) == SINGLECHAR); | |
149 | } | |
150 | ||
151 | void | |
152 | lslinit_setInitFile (inputStream s) | |
153 | { | |
154 | llassert (inputStream_isUndefined (s_initFile)); | |
155 | s_initFile = s; | |
156 | } | |
157 | ||
158 | /* | |
159 | ** | |
160 | ** Parsing functions for init file processing, in the same order as the | |
161 | ** grammar file lslinit.cfg. This is top-down order, as much as possible. | |
162 | ** | |
163 | */ | |
164 | ||
165 | static void lslinit_processInitFile (void) | |
166 | { | |
167 | InitLines (); | |
168 | InitReduce (INITFILE1); | |
169 | ||
170 | if (ltoken_getCode (nextToken) != LEOFTOKEN) | |
171 | { | |
172 | LocalUserError (nextToken, "unexpected tokens after end-of-file"); | |
173 | } | |
174 | } | |
175 | ||
176 | static void | |
177 | InitLines (void) | |
178 | { | |
179 | InitReduce (INITLINES1); | |
180 | ||
181 | if (ltoken_getCode (nextToken) != LEOFTOKEN) | |
182 | { | |
183 | InitLine (); | |
184 | InitReduce (INITLINES2); | |
185 | } | |
186 | ||
187 | while (ltoken_getCode (nextToken) != LEOFTOKEN) | |
188 | { | |
189 | InitLine (); | |
190 | InitReduce (INITLINES3); | |
191 | } | |
192 | ||
193 | } | |
194 | ||
195 | static void | |
196 | InitLine (void) | |
197 | { | |
198 | if (ltoken_getCode (nextToken) == LST_EOL) | |
199 | { | |
200 | /* Nothing on line. */ | |
201 | InitReduce (INITLINE1); | |
202 | } | |
203 | else | |
204 | { | |
205 | Classification (); | |
206 | InitReduce (INITLINE2); | |
207 | } | |
208 | ||
209 | if (ltoken_getCode (nextToken) != LST_EOL) | |
210 | { | |
211 | LocalUserError (nextToken, "Unexpected tokens on line"); | |
212 | } | |
213 | ||
214 | ltoken_free (nextToken); | |
215 | nextToken = LSLScanNextToken (); | |
216 | } | |
217 | ||
218 | static void | |
219 | Classification (void) | |
220 | { | |
221 | if (ltoken_getRawText (nextToken) == ltoken_getText (endCommentCharToken) | |
222 | || ltoken_getRawText (nextToken) == ltoken_getText (idCharToken) | |
223 | || ltoken_getRawText (nextToken) == ltoken_getText (opCharToken) | |
224 | || ltoken_getRawText (nextToken) == ltoken_getText (extensionCharToken) | |
225 | || ltoken_getRawText (nextToken) == ltoken_getText (singleCharToken) | |
226 | || ltoken_getRawText (nextToken) == ltoken_getText (whiteCharToken)) | |
227 | { | |
228 | CharClass (); | |
229 | InitReduce (CLASSIFICATION1); | |
230 | } | |
231 | else if (ltoken_getRawText (nextToken) == ltoken_getText (quantifierSymToken) | |
232 | || ltoken_getRawText (nextToken) == ltoken_getText (logicalOpToken) | |
233 | || ltoken_getRawText (nextToken) == ltoken_getText (eqOpToken) | |
234 | || ltoken_getRawText (nextToken) == ltoken_getText (equationSymToken) | |
235 | || ltoken_getRawText (nextToken) == ltoken_getText (eqSepSymToken) | |
236 | || ltoken_getRawText (nextToken) == ltoken_getText (selectSymToken) | |
237 | || ltoken_getRawText (nextToken) == ltoken_getText (openSymToken) | |
238 | || ltoken_getRawText (nextToken) == ltoken_getText (sepSymToken) | |
239 | || ltoken_getRawText (nextToken) == ltoken_getText (closeSymToken) | |
240 | || ltoken_getRawText (nextToken) == ltoken_getText (simpleIdToken) | |
241 | || ltoken_getRawText (nextToken) == ltoken_getText (mapSymToken) | |
242 | || ltoken_getRawText (nextToken) == ltoken_getText (markerSymToken) | |
243 | || ltoken_getRawText (nextToken) == ltoken_getText (commentSymToken)) | |
244 | { | |
245 | TokenClass (); | |
246 | InitReduce (CLASSIFICATION2); | |
247 | } | |
248 | else if (ltoken_getRawText (nextToken) == ltoken_getText (synonymToken)) | |
249 | { | |
250 | SynClass (); | |
251 | InitReduce (CLASSIFICATION3); | |
252 | } | |
253 | else | |
254 | { | |
255 | LocalUserError (nextToken, | |
256 | "expected character, token, or synonym classification"); | |
257 | } | |
258 | } | |
259 | ||
260 | static void | |
261 | CharClass (void) | |
262 | { | |
263 | ltoken charClassToken; | |
264 | ||
265 | charClassToken = nextToken; | |
266 | ||
267 | nextToken = LSLScanNextToken (); /* Discard char class keyword. */ | |
268 | ||
269 | if (ltoken_getRawText (charClassToken) == ltoken_getText (endCommentCharToken)) | |
270 | { | |
271 | EndCommentChars (); | |
272 | InitReduce (CHARCLASS1); | |
273 | } | |
274 | else if (ltoken_getRawText (charClassToken) == ltoken_getText (idCharToken)) | |
275 | { | |
276 | IdChars (); | |
277 | InitReduce (CHARCLASS2); | |
278 | } | |
279 | else if (ltoken_getRawText (charClassToken) == ltoken_getText (opCharToken)) | |
280 | { | |
281 | OpChars (); | |
282 | InitReduce (CHARCLASS3); | |
283 | } | |
284 | else if (ltoken_getRawText (charClassToken) | |
285 | == ltoken_getText (extensionCharToken)) | |
286 | { | |
287 | ExtensionChar (); | |
288 | InitReduce (CHARCLASS4); | |
289 | } | |
290 | else if (ltoken_getRawText (charClassToken) == ltoken_getText (singleCharToken)) | |
291 | { | |
292 | SingChars (); | |
293 | InitReduce (CHARCLASS5); | |
294 | } | |
295 | else if (ltoken_getRawText (charClassToken) == ltoken_getText (whiteCharToken)) | |
296 | { | |
297 | WhiteChars (); | |
298 | InitReduce (CHARCLASS6); | |
299 | } | |
300 | else | |
301 | { | |
302 | LocalUserError (nextToken, "expected character classification"); | |
303 | } | |
304 | ||
305 | ltoken_free (charClassToken); | |
306 | } | |
307 | ||
308 | static void | |
309 | EndCommentChars (void) | |
310 | { | |
311 | EndCommentChar (); | |
312 | InitReduce (LRC_ENDCOMMENT1); | |
313 | ||
314 | while (ltoken_getCode (nextToken) != LST_EOL) | |
315 | { | |
316 | EndCommentChar (); | |
317 | InitReduce (LRC_ENDCOMMENT2); | |
318 | } | |
319 | ||
320 | } | |
321 | ||
322 | static void | |
323 | IdChars (void) | |
324 | { | |
325 | IdChar (); | |
326 | InitReduce (IDCHARS1); | |
327 | ||
328 | while (ltoken_getCode (nextToken) != LST_EOL) | |
329 | { | |
330 | IdChar (); | |
331 | InitReduce (IDCHARS2); | |
332 | } | |
333 | } | |
334 | ||
335 | static void | |
336 | OpChars (void) | |
337 | { | |
338 | OpChar (); | |
339 | InitReduce (OPCHARS1); | |
340 | ||
341 | while (ltoken_getCode (nextToken) != LST_EOL) | |
342 | { | |
343 | OpChar (); | |
344 | InitReduce (OPCHARS2); | |
345 | } | |
346 | } | |
347 | ||
348 | static void | |
349 | ExtensionChar (void) | |
350 | { | |
351 | if (ltoken_isChar (nextToken) | |
352 | && lscanCharClass (cstring_firstChar (ltoken_unparse (nextToken))) == SINGLECHAR) | |
353 | { | |
354 | LSLGenShiftOnly (nextToken); | |
355 | nextToken = LSLScanNextToken (); | |
356 | InitReduce (LRC_EXTENSIONCHAR1); | |
357 | } | |
358 | else | |
359 | { | |
360 | LocalUserError (nextToken, "expected only one character"); | |
361 | } | |
362 | } | |
363 | ||
364 | static void | |
365 | SingChars (void) | |
366 | { | |
367 | SingChar (); | |
368 | InitReduce (SINGCHARS1); | |
369 | ||
370 | while (ltoken_getCode (nextToken) != LST_EOL) | |
371 | { | |
372 | SingChar (); | |
373 | InitReduce (SINGCHARS2); | |
374 | } | |
375 | } | |
376 | ||
377 | static void | |
378 | WhiteChars (void) | |
379 | { | |
380 | WhiteChar (); | |
381 | InitReduce (WHITECHARS1); | |
382 | ||
383 | while (ltoken_getCode (nextToken) != LST_EOL) | |
384 | { | |
385 | WhiteChar (); | |
386 | InitReduce (WHITECHARS2); | |
387 | } | |
388 | } | |
389 | ||
390 | static void | |
391 | EndCommentChar (void) | |
392 | { | |
393 | if (ltoken_isChar (nextToken)) | |
394 | { | |
395 | LSLGenShiftOnly (nextToken); | |
396 | nextToken = LSLScanNextToken (); | |
397 | InitReduce (LRC_ENDCOMMENTCHAR1); | |
398 | } | |
399 | else | |
400 | { | |
401 | LocalUserError (nextToken, "expected only one character"); | |
402 | } | |
403 | } | |
404 | ||
405 | static void | |
406 | IdChar (void) | |
407 | { | |
408 | if (hasFirstChar (nextToken)) | |
409 | { | |
410 | LSLGenShiftOnly (nextToken); | |
411 | nextToken = LSLScanNextToken (); | |
412 | InitReduce (IDCHAR1); | |
413 | } | |
414 | else | |
415 | { | |
416 | LocalUserError (nextToken, "character is already defined, cannot redefine"); | |
417 | } | |
418 | } | |
419 | ||
420 | static void | |
421 | OpChar (void) | |
422 | { | |
423 | if (hasFirstChar (nextToken)) | |
424 | { | |
425 | LSLGenShiftOnly (nextToken); | |
426 | nextToken = LSLScanNextToken (); | |
427 | InitReduce (OPCHAR1); | |
428 | } | |
429 | else | |
430 | { | |
431 | LocalUserError (nextToken, "character is already defined, cannot redefine"); | |
432 | } | |
433 | } | |
434 | ||
435 | static void | |
436 | SingChar (void) | |
437 | { | |
438 | if (hasFirstChar (nextToken)) | |
439 | { | |
440 | LSLGenShiftOnly (nextToken); | |
441 | nextToken = LSLScanNextToken (); | |
442 | InitReduce (SINGCHAR1); | |
443 | } | |
444 | else | |
445 | { | |
446 | LocalUserError (nextToken, "character is already defined, cannot redefine"); | |
447 | } | |
448 | } | |
449 | ||
450 | static void | |
451 | WhiteChar (void) | |
452 | { | |
453 | if (hasFirstChar (nextToken)) | |
454 | { | |
455 | LSLGenShiftOnly (nextToken); | |
456 | nextToken = LSLScanNextToken (); | |
457 | InitReduce (WHITECHAR1); | |
458 | } | |
459 | else | |
460 | { | |
461 | LocalUserError (nextToken, "character is already defined, cannot redefine"); | |
462 | } | |
463 | } | |
464 | ||
465 | static void | |
466 | TokenClass (void) | |
467 | { | |
468 | ltoken tokenClassToken; | |
469 | ||
470 | tokenClassToken = nextToken; | |
471 | ||
472 | nextToken = LSLScanNextToken (); | |
473 | ||
474 | if (ltoken_getRawText (tokenClassToken) == ltoken_getText (quantifierSymToken)) | |
475 | { | |
476 | QuantifierSymToks (); | |
477 | InitReduce (TOKENCLASS1); | |
478 | } | |
479 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (logicalOpToken)) | |
480 | { | |
481 | LogicalOpToks (); | |
482 | InitReduce (TOKENCLASS2); | |
483 | } | |
484 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (eqOpToken)) | |
485 | { | |
486 | EqOpToks (); | |
487 | InitReduce (TOKENCLASS3); | |
488 | } | |
489 | else if (ltoken_getRawText (tokenClassToken) | |
490 | == ltoken_getText (equationSymToken)) | |
491 | { | |
492 | EquationSymToks (); | |
493 | InitReduce (TOKENCLASS4); | |
494 | } | |
495 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (eqSepSymToken)) | |
496 | { | |
497 | EqSepSymToks (); | |
498 | InitReduce (TOKENCLASS5); | |
499 | } | |
500 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (selectSymToken)) | |
501 | { | |
502 | SelectSymToks (); | |
503 | InitReduce (TOKENCLASS6); | |
504 | } | |
505 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (openSymToken)) | |
506 | { | |
507 | OpenSymToks (); | |
508 | InitReduce (TOKENCLASS7); | |
509 | } | |
510 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (sepSymToken)) | |
511 | { | |
512 | SepSymToks (); | |
513 | InitReduce (TOKENCLASS8); | |
514 | } | |
515 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (closeSymToken)) | |
516 | { | |
517 | CloseSymToks (); | |
518 | InitReduce (TOKENCLASS9); | |
519 | } | |
520 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (simpleIdToken)) | |
521 | { | |
522 | SimpleIdToks (); | |
523 | InitReduce (TOKENCLASS10); | |
524 | } | |
525 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (mapSymToken)) | |
526 | { | |
527 | MapSymToks (); | |
528 | InitReduce (TOKENCLASS11); | |
529 | } | |
530 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (markerSymToken)) | |
531 | { | |
532 | MarkerSymToks (); | |
533 | InitReduce (TOKENCLASS12); | |
534 | } | |
535 | else if (ltoken_getRawText (tokenClassToken) | |
536 | == ltoken_getText (commentSymToken)) | |
537 | { | |
538 | CommentSymToks (); | |
539 | InitReduce (TOKENCLASS13); | |
540 | } | |
541 | else | |
542 | { | |
543 | LocalUserError (nextToken, "expected token classification"); | |
544 | } | |
545 | ||
546 | ltoken_free (tokenClassToken); | |
547 | } | |
548 | ||
549 | static void | |
550 | QuantifierSymToks (void) | |
551 | { | |
552 | QuantifierSymTok (); | |
553 | InitReduce (QUANTIFIERSYMTOKS1); | |
554 | ||
555 | while (ltoken_getCode (nextToken) != LST_EOL) | |
556 | { | |
557 | QuantifierSymTok (); | |
558 | InitReduce (QUANTIFIERSYMTOKS2); | |
559 | } | |
560 | } | |
561 | ||
562 | static void | |
563 | LogicalOpToks (void) | |
564 | { | |
565 | LogicalOpTok (); | |
566 | InitReduce (LOGICALOPTOKS1); | |
567 | ||
568 | while (ltoken_getCode (nextToken) != LST_EOL) | |
569 | { | |
570 | LogicalOpTok (); | |
571 | InitReduce (LOGICALOPTOKS2); | |
572 | } | |
573 | } | |
574 | ||
575 | static void | |
576 | EqOpToks (void) | |
577 | { | |
578 | EqOpTok (); | |
579 | InitReduce (LRC_EQOPTOKS1); | |
580 | ||
581 | while (ltoken_getCode (nextToken) != LST_EOL) | |
582 | { | |
583 | EqOpTok (); | |
584 | InitReduce (LRC_EQOPTOKS2); | |
585 | } | |
586 | } | |
587 | ||
588 | static void | |
589 | EquationSymToks (void) | |
590 | { | |
591 | EquationSymTok (); | |
592 | InitReduce (LRC_EQUATIONSYMTOKS1); | |
593 | ||
594 | while (ltoken_getCode (nextToken) != LST_EOL) | |
595 | { | |
596 | EquationSymTok (); | |
597 | InitReduce (LRC_EQUATIONSYMTOKS2); | |
598 | } | |
599 | } | |
600 | ||
601 | static void | |
602 | EqSepSymToks (void) | |
603 | { | |
604 | EqSepSymTok (); | |
605 | InitReduce (LRC_EQSEPSYMTOKS1); | |
606 | ||
607 | while (ltoken_getCode (nextToken) != LST_EOL) | |
608 | { | |
609 | EqSepSymTok (); | |
610 | InitReduce (LRC_EQSEPSYMTOKS2); | |
611 | } | |
612 | } | |
613 | ||
614 | static void | |
615 | SelectSymToks (void) | |
616 | { | |
617 | SelectSymTok (); | |
618 | InitReduce (SELECTSYMTOKS1); | |
619 | ||
620 | while (ltoken_getCode (nextToken) != LST_EOL) | |
621 | { | |
622 | SelectSymTok (); | |
623 | InitReduce (SELECTSYMTOKS2); | |
624 | } | |
625 | } | |
626 | ||
627 | static void | |
628 | OpenSymToks (void) | |
629 | { | |
630 | OpenSymTok (); | |
631 | InitReduce (OPENSYMTOKS1); | |
632 | ||
633 | while (ltoken_getCode (nextToken) != LST_EOL) | |
634 | { | |
635 | OpenSymTok (); | |
636 | InitReduce (OPENSYMTOKS2); | |
637 | } | |
638 | } | |
639 | ||
640 | static void | |
641 | SepSymToks (void) | |
642 | { | |
643 | SepSymTok (); | |
644 | InitReduce (SEPSYMTOKS1); | |
645 | ||
646 | while (ltoken_getCode (nextToken) != LST_EOL) | |
647 | { | |
648 | SepSymTok (); | |
649 | InitReduce (SEPSYMTOKS2); | |
650 | } | |
651 | } | |
652 | ||
653 | static void | |
654 | CloseSymToks (void) | |
655 | { | |
656 | CloseSymTok (); | |
657 | InitReduce (CLOSESYMTOKS1); | |
658 | ||
659 | while (ltoken_getCode (nextToken) != LST_EOL) | |
660 | { | |
661 | CloseSymTok (); | |
662 | InitReduce (CLOSESYMTOKS2); | |
663 | } | |
664 | } | |
665 | ||
666 | static void | |
667 | SimpleIdToks (void) | |
668 | { | |
669 | SimpleIdTok (); | |
670 | InitReduce (SIMPLEIDTOKS1); | |
671 | ||
672 | while (ltoken_getCode (nextToken) != LST_EOL) | |
673 | { | |
674 | SimpleIdTok (); | |
675 | InitReduce (SIMPLEIDTOKS2); | |
676 | } | |
677 | } | |
678 | ||
679 | static void | |
680 | MapSymToks (void) | |
681 | { | |
682 | MapSymTok (); | |
683 | InitReduce (MAPSYMTOKS1); | |
684 | ||
685 | while (ltoken_getCode (nextToken) != LST_EOL) | |
686 | { | |
687 | MapSymTok (); | |
688 | InitReduce (MAPSYMTOKS2); | |
689 | } | |
690 | } | |
691 | ||
692 | static void | |
693 | MarkerSymToks (void) | |
694 | { | |
695 | MarkerSymTok (); | |
696 | InitReduce (MARKERSYMTOKS1); | |
697 | ||
698 | while (ltoken_getCode (nextToken) != LST_EOL) | |
699 | { | |
700 | MarkerSymTok (); | |
701 | InitReduce (MARKERSYMTOKS2); | |
702 | } | |
703 | } | |
704 | ||
705 | static void | |
706 | CommentSymToks (void) | |
707 | { | |
708 | CommentSymTok (); | |
709 | InitReduce (COMMENTSYMTOKS1); | |
710 | ||
711 | while (ltoken_getCode (nextToken) != LST_EOL) | |
712 | { | |
713 | CommentSymTok (); | |
714 | InitReduce (COMMENTSYMTOKS2); | |
715 | } | |
716 | } | |
717 | ||
718 | static void | |
719 | QuantifierSymTok (void) | |
720 | { | |
721 | Token (); | |
722 | InitReduce (QUANTIFIERSYMTOK1); | |
723 | } | |
724 | ||
725 | static void | |
726 | LogicalOpTok (void) | |
727 | { | |
728 | Token (); | |
729 | InitReduce (LOGICALOPTOK1); | |
730 | } | |
731 | ||
732 | static void | |
733 | EqOpTok (void) | |
734 | { | |
735 | Token (); | |
736 | InitReduce (LRC_EQOPTOK1); | |
737 | } | |
738 | ||
739 | static void | |
740 | EquationSymTok (void) | |
741 | { | |
742 | /* ### EquationSymTok (); ### */ | |
743 | Token (); | |
744 | InitReduce (LRC_EQUATIONSYMTOK1); | |
745 | } | |
746 | ||
747 | static void | |
748 | EqSepSymTok (void) | |
749 | { | |
750 | Token (); | |
751 | InitReduce (LRC_EQSEPSYMTOK1); | |
752 | ||
753 | } | |
754 | ||
755 | static void | |
756 | SelectSymTok (void) | |
757 | { | |
758 | Token (); | |
759 | InitReduce (SELECTSYMTOK1); | |
760 | } | |
761 | ||
762 | static void | |
763 | OpenSymTok (void) | |
764 | { | |
765 | Token (); | |
766 | InitReduce (OPENSYMTOK1); | |
767 | } | |
768 | ||
769 | static void | |
770 | SepSymTok (void) | |
771 | { | |
772 | Token (); | |
773 | InitReduce (SEPSYMTOK1); | |
774 | } | |
775 | ||
776 | static void | |
777 | CloseSymTok (void) | |
778 | { | |
779 | Token (); | |
780 | InitReduce (CLOSESYMTOK1); | |
781 | } | |
782 | ||
783 | static void | |
784 | SimpleIdTok (void) | |
785 | { | |
786 | Token (); | |
787 | InitReduce (SIMPLEIDTOK1); | |
788 | } | |
789 | ||
790 | static void | |
791 | MapSymTok (void) | |
792 | { | |
793 | Token (); | |
794 | InitReduce (MAPSYMTOK1); | |
795 | } | |
796 | ||
797 | static void | |
798 | MarkerSymTok (void) | |
799 | { | |
800 | Token (); | |
801 | InitReduce (MARKERSYMTOK1); | |
802 | ||
803 | } | |
804 | ||
805 | static void | |
806 | CommentSymTok (void) | |
807 | { | |
808 | Token (); | |
809 | InitReduce (COMMENTSYMTOK1); | |
810 | } | |
811 | ||
812 | ||
813 | static void | |
814 | SynClass (void) | |
815 | { | |
816 | if (ltoken_getRawText (nextToken) == ltoken_getText (synonymToken)) | |
817 | { | |
818 | ltoken_free (nextToken); | |
819 | nextToken = LSLScanNextToken (); | |
820 | ||
821 | OldToken (); | |
822 | NewToken (); | |
823 | ||
824 | InitReduce (SYNCLASS1); | |
825 | } | |
826 | else | |
827 | { | |
828 | LocalUserError (nextToken, "expected synonym classification"); | |
829 | } | |
830 | ||
831 | } | |
832 | ||
833 | static void | |
834 | OldToken (void) | |
835 | { | |
836 | Token (); | |
837 | InitReduce (OLDTOKEN1); | |
838 | ||
839 | } | |
840 | ||
841 | static void | |
842 | NewToken (void) | |
843 | { | |
844 | Token (); | |
845 | InitReduce (NEWTOKEN1); | |
846 | ||
847 | } | |
848 | ||
849 | static void | |
850 | Token (void) | |
851 | { | |
852 | if (ltoken_getCode (nextToken) == LST_EOL | |
853 | || ltoken_getCode (nextToken) == LEOFTOKEN) | |
854 | { | |
855 | LocalUserError (nextToken, "unexpected end-of-line or end-of-file"); | |
856 | } | |
857 | else | |
858 | { | |
859 | LSLGenShiftOnly (nextToken); | |
860 | nextToken = LSLScanNextToken (); | |
861 | } | |
862 | } | |
863 | ||
864 | /* | |
865 | ** Init File Processing Routines, these routines use the shift-reduce sequence | |
866 | ** produced by the init file parser and update the necessary tables for the | |
867 | ** scanner. | |
868 | ** | |
869 | ** The same shift stack is used that LSL parser uses. A different reduce | |
870 | ** procedure is used because the init file grammar is different from the LSL | |
871 | ** grammar. | |
872 | ** | |
873 | */ | |
874 | ||
875 | static void | |
876 | InitReduce (LSLInitRuleCode rule) | |
877 | { | |
878 | switch (rule) | |
879 | { | |
880 | case INITFILE1: | |
881 | LTRACE ("INITFILE1"); | |
882 | break; | |
883 | ||
884 | case INITLINES1: | |
885 | LTRACE ("INITLINES1"); | |
886 | break; | |
887 | ||
888 | case INITLINES2: | |
889 | LTRACE ("INITLINES2"); | |
890 | break; | |
891 | ||
892 | case INITLINES3: | |
893 | LTRACE ("INITLINES3"); | |
894 | break; | |
895 | ||
896 | case INITLINE1: | |
897 | LTRACE ("INITLINE1"); | |
898 | break; | |
899 | ||
900 | case INITLINE2: | |
901 | LTRACE ("INITLINE2"); | |
902 | break; | |
903 | ||
904 | case CLASSIFICATION1: | |
905 | LTRACE ("CLASSIFICATION1"); | |
906 | break; | |
907 | ||
908 | case CLASSIFICATION2: | |
909 | LTRACE ("CLASSIFICATION2"); | |
910 | break; | |
911 | ||
912 | case CLASSIFICATION3: | |
913 | LTRACE ("CLASSIFICATION3"); | |
914 | break; | |
915 | ||
916 | case CHARCLASS1: | |
917 | LTRACE ("CHARCLASS1"); | |
918 | break; | |
919 | ||
920 | case CHARCLASS2: | |
921 | LTRACE ("CHARCLASS2"); | |
922 | break; | |
923 | ||
924 | case CHARCLASS3: | |
925 | LTRACE ("CHARCLASS3"); | |
926 | break; | |
927 | ||
928 | case CHARCLASS4: | |
929 | LTRACE ("CHARCLASS4"); | |
930 | break; | |
931 | ||
932 | case CHARCLASS5: | |
933 | LTRACE ("CHARCLASS5"); | |
934 | break; | |
935 | ||
936 | case CHARCLASS6: | |
937 | LTRACE ("CHARCLASS6"); | |
938 | break; | |
939 | ||
940 | case LRC_ENDCOMMENT1: | |
941 | LTRACE ("LRC_ENDCOMMENT1"); | |
942 | break; | |
943 | ||
944 | case LRC_ENDCOMMENT2: | |
945 | LTRACE ("LRC_ENDCOMMENT2"); | |
946 | break; | |
947 | ||
948 | case IDCHARS1: | |
949 | LTRACE ("IDCHARS1"); | |
950 | break; | |
951 | ||
952 | case IDCHARS2: | |
953 | LTRACE ("IDCHARS2"); | |
954 | break; | |
955 | ||
956 | case OPCHARS1: | |
957 | LTRACE ("OPCHARS1"); | |
958 | break; | |
959 | ||
960 | case OPCHARS2: | |
961 | LTRACE ("OPCHARS2"); | |
962 | break; | |
963 | ||
964 | case LRC_EXTENSIONCHAR1: | |
965 | LTRACE ("LRC_EXTENSIONCHAR1"); | |
966 | ProcessExtensionChar (); | |
967 | break; | |
968 | ||
969 | case SINGCHARS1: | |
970 | LTRACE ("SINGCHARS1"); | |
971 | break; | |
972 | ||
973 | case SINGCHARS2: | |
974 | LTRACE ("SINGCHARS2"); | |
975 | break; | |
976 | ||
977 | case WHITECHARS1: | |
978 | LTRACE ("WHITECHARS1"); | |
979 | break; | |
980 | ||
981 | case WHITECHARS2: | |
982 | LTRACE ("WHITECHARS2"); | |
983 | break; | |
984 | ||
985 | case LRC_ENDCOMMENTCHAR1: | |
986 | LTRACE ("LRC_ENDCOMMENTCHAR1"); | |
987 | ProcessEndCommentChar (); | |
988 | break; | |
989 | ||
990 | case IDCHAR1: | |
991 | LTRACE ("IDCHAR1"); | |
992 | ProcessSingleChar (IDCHAR); | |
993 | break; | |
994 | ||
995 | case OPCHAR1: | |
996 | LTRACE ("OPCHAR1"); | |
997 | ProcessSingleChar (OPCHAR); | |
998 | break; | |
999 | ||
1000 | case SINGCHAR1: | |
1001 | LTRACE ("SINGCHAR1"); | |
1002 | ProcessSingleChar (SINGLECHAR); | |
1003 | break; | |
1004 | ||
1005 | case WHITECHAR1: | |
1006 | LTRACE ("CHAR1"); | |
1007 | ProcessSingleChar (WHITECHAR); | |
1008 | break; | |
1009 | ||
1010 | case TOKENCLASS1: | |
1011 | LTRACE ("TOKENCLASS1"); | |
1012 | break; | |
1013 | ||
1014 | case TOKENCLASS2: | |
1015 | LTRACE ("TOKENCLASS2"); | |
1016 | break; | |
1017 | ||
1018 | case TOKENCLASS3: | |
1019 | LTRACE ("TOKENCLASS3"); | |
1020 | break; | |
1021 | ||
1022 | case TOKENCLASS4: | |
1023 | LTRACE ("TOKENCLASS4"); | |
1024 | break; | |
1025 | ||
1026 | case TOKENCLASS5: | |
1027 | LTRACE ("TOKENCLASS5"); | |
1028 | break; | |
1029 | ||
1030 | case TOKENCLASS6: | |
1031 | LTRACE ("TOKENCLASS6"); | |
1032 | break; | |
1033 | ||
1034 | case TOKENCLASS7: | |
1035 | LTRACE ("TOKENCLASS7"); | |
1036 | break; | |
1037 | ||
1038 | case TOKENCLASS8: | |
1039 | LTRACE ("TOKENCLASS8"); | |
1040 | break; | |
1041 | ||
1042 | case TOKENCLASS9: | |
1043 | LTRACE ("TOKENCLASS9"); | |
1044 | break; | |
1045 | ||
1046 | case TOKENCLASS10: | |
1047 | LTRACE ("TOKENCLASS10"); | |
1048 | break; | |
1049 | ||
1050 | case TOKENCLASS11: | |
1051 | LTRACE ("TOKENCLASS11"); | |
1052 | break; | |
1053 | ||
1054 | case TOKENCLASS12: | |
1055 | LTRACE ("TOKENCLASS12"); | |
1056 | break; | |
1057 | ||
1058 | case TOKENCLASS13: | |
1059 | LTRACE ("TOKENCLASS13"); | |
1060 | break; | |
1061 | ||
1062 | case QUANTIFIERSYMTOKS1: | |
1063 | LTRACE ("QUALIFERSYMTOKS1"); | |
1064 | break; | |
1065 | ||
1066 | case QUANTIFIERSYMTOKS2: | |
1067 | LTRACE ("QUANTIFIERSYMTOKS2"); | |
1068 | break; | |
1069 | ||
1070 | case LOGICALOPTOKS1: | |
1071 | LTRACE ("LOGICALOPTOKS1"); | |
1072 | break; | |
1073 | ||
1074 | case LOGICALOPTOKS2: | |
1075 | LTRACE ("LOGICALOPTOKS2"); | |
1076 | break; | |
1077 | ||
1078 | case LRC_EQOPTOKS1: | |
1079 | LTRACE ("LRC_EQOPTOKS1"); | |
1080 | break; | |
1081 | ||
1082 | case LRC_EQOPTOKS2: | |
1083 | LTRACE ("LRC_EQOPTOKS2"); | |
1084 | break; | |
1085 | ||
1086 | case LRC_EQUATIONSYMTOKS1: | |
1087 | LTRACE ("LRC_EQUATIONSYMTOKS1"); | |
1088 | break; | |
1089 | ||
1090 | case LRC_EQUATIONSYMTOKS2: | |
1091 | LTRACE ("LRC_EQUATIONSYMTOKS2"); | |
1092 | break; | |
1093 | ||
1094 | case LRC_EQSEPSYMTOKS1: | |
1095 | LTRACE ("LRC_EQSEPSYMTOKS1"); | |
1096 | break; | |
1097 | ||
1098 | case LRC_EQSEPSYMTOKS2: | |
1099 | LTRACE ("LRC_EQSEPSYMTOKS2"); | |
1100 | break; | |
1101 | ||
1102 | case SELECTSYMTOKS1: | |
1103 | LTRACE ("SELECTSYMTOKS1"); | |
1104 | break; | |
1105 | ||
1106 | case SELECTSYMTOKS2: | |
1107 | LTRACE ("SELECTSYMTOKS2"); | |
1108 | break; | |
1109 | ||
1110 | case OPENSYMTOKS1: | |
1111 | LTRACE ("OPENSYMTOKS1"); | |
1112 | break; | |
1113 | ||
1114 | case OPENSYMTOKS2: | |
1115 | LTRACE ("OPENSYMTOKS2"); | |
1116 | break; | |
1117 | ||
1118 | case SEPSYMTOKS1: | |
1119 | LTRACE ("SEPSYMTOKS1"); | |
1120 | break; | |
1121 | ||
1122 | case SEPSYMTOKS2: | |
1123 | LTRACE ("SEPSYMTOKS2"); | |
1124 | break; | |
1125 | ||
1126 | case CLOSESYMTOKS1: | |
1127 | LTRACE ("CLOSESYMTOKS1"); | |
1128 | break; | |
1129 | ||
1130 | case CLOSESYMTOKS2: | |
1131 | LTRACE ("CLOSESYMTOKS2"); | |
1132 | break; | |
1133 | ||
1134 | case SIMPLEIDTOKS1: | |
1135 | LTRACE ("SIMPLEIDTOKS1"); | |
1136 | break; | |
1137 | ||
1138 | case SIMPLEIDTOKS2: | |
1139 | LTRACE ("SIMPLEIDTOKS2"); | |
1140 | break; | |
1141 | ||
1142 | case MAPSYMTOKS1: | |
1143 | LTRACE ("MAPSYMTOKS1"); | |
1144 | break; | |
1145 | ||
1146 | case MAPSYMTOKS2: | |
1147 | LTRACE ("MAPSYMTOKS2"); | |
1148 | break; | |
1149 | ||
1150 | case MARKERSYMTOKS1: | |
1151 | LTRACE ("MARKERSYMTOKS1"); | |
1152 | break; | |
1153 | ||
1154 | case MARKERSYMTOKS2: | |
1155 | LTRACE ("MARKERSYMTOKS2"); | |
1156 | break; | |
1157 | ||
1158 | case COMMENTSYMTOKS1: | |
1159 | LTRACE ("COMMENTSYMTOKS1"); | |
1160 | break; | |
1161 | ||
1162 | case COMMENTSYMTOKS2: | |
1163 | LTRACE ("COMMENTSYMTOKS2"); | |
1164 | break; | |
1165 | ||
1166 | case QUANTIFIERSYMTOK1: | |
1167 | LTRACE ("QUANTIFERSYMTOK1"); | |
1168 | ProcessToken (LST_QUANTIFIERSYM); | |
1169 | break; | |
1170 | ||
1171 | case LOGICALOPTOK1: | |
1172 | LTRACE ("LOGICALOPTOK1"); | |
1173 | ProcessToken (LST_LOGICALOP); | |
1174 | break; | |
1175 | ||
1176 | case LRC_EQOPTOK1: | |
1177 | LTRACE ("LRC_EQOPTOK1"); | |
1178 | ProcessToken (LST_EQOP); | |
1179 | break; | |
1180 | ||
1181 | case LRC_EQUATIONSYMTOK1: | |
1182 | LTRACE ("LRC_EQUATIONSYMTOK1"); | |
1183 | ProcessToken (LST_EQUATIONSYM); | |
1184 | break; | |
1185 | ||
1186 | case LRC_EQSEPSYMTOK1: | |
1187 | LTRACE ("LRC_EQSEPSYMTOK1"); | |
1188 | ProcessToken (LST_EQSEPSYM); | |
1189 | break; | |
1190 | ||
1191 | case SELECTSYMTOK1: | |
1192 | LTRACE ("SELECTSYMTOK1"); | |
1193 | ProcessToken (LST_SELECTSYM); | |
1194 | break; | |
1195 | ||
1196 | case OPENSYMTOK1: | |
1197 | LTRACE ("OPENSYMTOK1"); | |
1198 | ProcessToken (LST_OPENSYM); | |
1199 | break; | |
1200 | ||
1201 | case SEPSYMTOK1: | |
1202 | LTRACE ("SEPSYMTOK1"); | |
1203 | ProcessToken (LST_SEPSYM); | |
1204 | break; | |
1205 | ||
1206 | case CLOSESYMTOK1: | |
1207 | LTRACE ("CLOSESYMTOK1"); | |
1208 | ProcessToken (LST_CLOSESYM); | |
1209 | break; | |
1210 | ||
1211 | case SIMPLEIDTOK1: | |
1212 | LTRACE ("SIMPLEIDTOK1"); | |
1213 | ProcessToken (LST_SIMPLEID); | |
1214 | break; | |
1215 | ||
1216 | case MAPSYMTOK1: | |
1217 | LTRACE ("MAPSYMTOK1"); | |
1218 | ProcessToken (LST_MAPSYM); | |
1219 | break; | |
1220 | ||
1221 | case MARKERSYMTOK1: | |
1222 | LTRACE ("MARKERSYMTOK1"); | |
1223 | ProcessToken (LST_MARKERSYM); | |
1224 | break; | |
1225 | ||
1226 | case COMMENTSYMTOK1: | |
1227 | LTRACE ("COMMENTSYMTOK1"); | |
1228 | ProcessToken (LST_COMMENTSYM); | |
1229 | break; | |
1230 | ||
1231 | case SYNCLASS1: | |
1232 | LTRACE ("SYNCLASS1"); | |
1233 | ProcessSynonym (); | |
1234 | break; | |
1235 | ||
1236 | case OLDTOKEN1: | |
1237 | LTRACE ("OLDTOKEN1"); | |
1238 | break; | |
1239 | ||
1240 | case NEWTOKEN1: | |
1241 | LTRACE ("NEWTOKEN1"); | |
1242 | break; | |
1243 | ||
1244 | default: | |
1245 | llcontbuglit ("InitReduce: bad switch"); | |
1246 | break; | |
1247 | ||
1248 | } /* end switch */ | |
1249 | } /* end InitReduce () */ | |
1250 | ||
1251 | ||
1252 | ||
1253 | /* Reset the first character of the predefined extensionChar keywords when */ | |
1254 | /* the extensionChar changes. e.g. "extensionChar @" changes "forall" to */ | |
1255 | /* "@forall". */ | |
1256 | ||
1257 | static void | |
1258 | UpdateXCharKeywords (charCode xCharCode) | |
1259 | { | |
1260 | char xChar = (char) xCharCode; | |
1261 | char *str; | |
1262 | ||
1263 | str = ltoken_getTextChars (ltoken_forall); | |
1264 | *str = xChar; | |
1265 | ||
1266 | str = ltoken_getTextChars (ltoken_and); | |
1267 | *str = xChar; | |
1268 | ||
1269 | str = ltoken_getTextChars (ltoken_or); | |
1270 | *str = xChar; | |
1271 | ||
1272 | str = ltoken_getTextChars (ltoken_implies); | |
1273 | *str = xChar; | |
1274 | ||
1275 | str = ltoken_getTextChars (ltoken_eq); | |
1276 | *str = xChar; | |
1277 | ||
1278 | str = ltoken_getTextChars (ltoken_neq); | |
1279 | *str = xChar; | |
1280 | ||
1281 | str = ltoken_getTextChars (ltoken_equals); | |
1282 | *str = xChar; | |
1283 | ||
1284 | str = ltoken_getTextChars (ltoken_eqsep); | |
1285 | *str = xChar; | |
1286 | ||
1287 | str = ltoken_getTextChars (ltoken_select); | |
1288 | *str = xChar; | |
1289 | ||
1290 | str = ltoken_getTextChars (ltoken_open); | |
1291 | *str = xChar; | |
1292 | ||
1293 | str = ltoken_getTextChars (ltoken_sep); | |
1294 | *str = xChar; | |
1295 | ||
1296 | str = ltoken_getTextChars (ltoken_close); | |
1297 | *str = xChar; | |
1298 | ||
1299 | str = ltoken_getTextChars (ltoken_id); | |
1300 | *str = xChar; | |
1301 | ||
1302 | str = ltoken_getTextChars (ltoken_arrow); | |
1303 | *str = xChar; | |
1304 | ||
1305 | str = ltoken_getTextChars (ltoken_marker); | |
1306 | *str = xChar; | |
1307 | ||
1308 | str = ltoken_getTextChars (ltoken_comment); | |
1309 | *str = xChar; | |
1310 | ||
1311 | } | |
1312 | ||
1313 | /* Different from ProcessCharClass because only allow one extension */ | |
1314 | /* character. Therefore, the present extension character must be set to a */ | |
1315 | /* singleChar. */ | |
1316 | ||
1317 | static void | |
1318 | ProcessExtensionChar (void) | |
1319 | { | |
1320 | ltoken stackToken = LSLGenTopPopShiftStack (); | |
1321 | char firstChar = cstring_firstChar (ltoken_unparse (stackToken)); | |
1322 | ||
1323 | if (!defineSingleChar[(int)firstChar] | |
1324 | && lscanCharClass (firstChar) == SINGLECHAR) | |
1325 | { | |
1326 | /* Is a single character that has not been defined before. */ | |
1327 | /* Can only have one extension char. Release old one. */ | |
1328 | lsetCharClass (firstChar, CHC_EXTENSION); | |
1329 | ||
1330 | /* this is a (bogus) type bug! caught by splint */ | |
1331 | /* lsetCharClass (currentExtensionChar, SINGLECHAR); */ | |
1332 | ||
1333 | lsetCharClass ((char) currentExtensionChar, SINGLECHAR); | |
1334 | ||
1335 | currentExtensionChar = (charCode) firstChar; | |
1336 | UpdateXCharKeywords (currentExtensionChar); | |
1337 | } | |
1338 | else | |
1339 | { | |
1340 | /* Already redefined. Don't allow to be redefined. */ | |
1341 | LocalUserError (stackToken, "character is already defined, cannot redefine"); | |
1342 | } | |
1343 | ltoken_free (stackToken); | |
1344 | } | |
1345 | ||
1346 | /* Different from ProcessSingleChar because allow any characters to be */ | |
1347 | /* endCommentChar and also set a different part of the scanner structure. */ | |
1348 | ||
1349 | static void | |
1350 | ProcessEndCommentChar (void) | |
1351 | { | |
1352 | ltoken stackToken = LSLGenTopPopShiftStack (); | |
1353 | char firstChar = cstring_firstChar (ltoken_unparse (stackToken)); | |
1354 | ||
1355 | if (LSLIsEndComment (firstChar)) | |
1356 | { | |
1357 | LocalUserError (stackToken, | |
1358 | "already defined as a endCommentChar, cannot redefine"); | |
1359 | } | |
1360 | else | |
1361 | { | |
1362 | lsetEndCommentChar (firstChar, TRUE); | |
1363 | } | |
1364 | ltoken_free (stackToken); | |
1365 | } | |
1366 | ||
1367 | static void | |
1368 | ProcessSingleChar (charCode code) | |
1369 | { | |
1370 | ltoken stackToken = LSLGenTopPopShiftStack (); | |
1371 | char firstChar = cstring_firstChar (ltoken_unparse (stackToken)); | |
1372 | ||
1373 | if (!defineSingleChar[(int)firstChar] | |
1374 | && lscanCharClass (firstChar) == SINGLECHAR) | |
1375 | { | |
1376 | /* Is a single character that has not been defined before. */ | |
1377 | /* It's OK to redefine once. */ | |
1378 | lsetCharClass (firstChar, code); | |
1379 | /* OK to mark as a defined singleChar even if not. Only check */ | |
1380 | /* defineSingleChar[] if defining a singleChar. */ | |
1381 | defineSingleChar[(int)firstChar] = TRUE; | |
1382 | } | |
1383 | else | |
1384 | { | |
1385 | LocalUserError (stackToken, "character is already defined, cannot redefine"); | |
1386 | } | |
1387 | ltoken_free (stackToken); | |
1388 | } | |
1389 | ||
1390 | static void | |
1391 | ProcessToken (ltokenCode code) | |
1392 | { | |
1393 | ltoken stackToken, temp; | |
1394 | lsymbol sym; | |
1395 | ||
1396 | stackToken = LSLGenTopPopShiftStack (); | |
1397 | sym = ltoken_getText (stackToken); | |
1398 | ||
1399 | if (LSLIsSyn (sym)) | |
1400 | { | |
1401 | LocalUserError (stackToken, | |
1402 | "already defined as a synonym, cannot redefine"); | |
1403 | } | |
1404 | ||
1405 | /* Get the token from the token table, so can check if the token */ | |
1406 | /* was updated by a previous token. */ | |
1407 | temp = LSLGetToken (sym); | |
1408 | ||
1409 | if (ltoken_isStateDefined (temp)) | |
1410 | { | |
1411 | if ((code == LST_OPENSYM && sym == lsymbol_fromChars ("[")) || | |
1412 | (code == LST_CLOSESYM && sym == lsymbol_fromChars ("]"))) | |
1413 | { | |
1414 | /* ignore "openSym [" and "closeSym ]" TokenClass */ | |
1415 | ltoken_free (stackToken); | |
1416 | return; | |
1417 | } | |
1418 | else | |
1419 | { | |
1420 | LocalUserError (stackToken, "already defined, cannot redefine"); | |
1421 | PrintToken (temp); | |
1422 | } | |
1423 | } | |
1424 | ||
1425 | LSLUpdateToken (code, ltoken_getText (stackToken), TRUE); | |
1426 | ltoken_free (stackToken); | |
1427 | } | |
1428 | ||
1429 | ||
1430 | static void | |
1431 | ProcessSynonym (void) | |
1432 | { | |
1433 | ltoken newtok; | |
1434 | ltoken oldtok; | |
1435 | ||
1436 | newtok = LSLGenTopPopShiftStack (); | |
1437 | oldtok = LSLGenTopPopShiftStack (); | |
1438 | ||
1439 | if (ltoken_wasSyn (newtok)) | |
1440 | { | |
1441 | /* The token has a synonym. This means that the synonym was in the */ | |
1442 | /* init file, so complain about redefining as a synonym again */ | |
1443 | LocalUserError (newtok, "newtok already is a synonym, cannot redefine"); | |
1444 | } | |
1445 | ||
1446 | if (ltoken_hasSyn (newtok)) | |
1447 | { | |
1448 | /* | |
1449 | ** newtok already has a synonym defined for it. Do not allow | |
1450 | ** synonyms to be chained. | |
1451 | */ | |
1452 | ||
1453 | LocalUserError (newtok, | |
1454 | "newtok already has a synonym, cannot chain synonyms"); | |
1455 | } | |
1456 | ||
1457 | if (ltoken_isStateDefined (newtok)) | |
1458 | { | |
1459 | LocalUserError (newtok, "newtok already defined, cannot redefine"); | |
1460 | } | |
1461 | ||
1462 | LSLAddSyn (ltoken_getText (newtok), ltoken_getText (oldtok)); | |
1463 | ltoken_free (oldtok); | |
1464 | ltoken_free (newtok); | |
1465 | } | |
1466 | ||
1467 | ||
1468 | /* | |
1469 | * Utilities, in alphabetical order | |
1470 | */ | |
1471 | ||
1472 | static void | |
1473 | LocalUserError (ltoken t, /*@temp@*/ char *msg) | |
1474 | { | |
1475 | lldiagmsg (message ("%s %s in the LSL init file:", | |
1476 | ltoken_unparse (t), cstring_fromChars (msg))); | |
1477 | ||
1478 | ltoken_free (nextToken); | |
1479 | nextToken = LSLScanNextToken (); | |
1480 | ||
1481 | while (ltoken_getCode (nextToken) != LST_EOL) | |
1482 | { | |
1483 | ltoken_free (nextToken); | |
1484 | nextToken = LSLScanNextToken (); | |
1485 | } | |
1486 | } | |
1487 | ||
1488 | /* | |
1489 | ** Required initialization and cleanup routines | |
1490 | */ | |
1491 | ||
1492 | static /*@exposed@*/ ltoken insertSimpleToken (char *text) | |
1493 | /*@modifies internalState@*/ | |
1494 | { | |
1495 | return (LSLInsertToken (LST_SIMPLEID, lsymbol_fromChars (text), 0, FALSE)); | |
1496 | } | |
1497 | ||
1498 | static void | |
1499 | lslinit_initProcessInitFile (void) | |
1500 | { | |
1501 | int i; | |
1502 | ||
1503 | LSLGenInit (TRUE); /* parsing LSLinit not LCLinit */ | |
1504 | ||
1505 | /* | |
1506 | ** Insert the init file keywords into the token table as undefined | |
1507 | ** SIMPLEIDs. They are defined as simpleIds since they must be treated | |
1508 | ** that way if they do not appear as the first token on a line, and | |
1509 | ** they must be treated that way for the actual LSL parsing. Save the | |
1510 | ** tokens so can recognize as init file keywords when necessary. | |
1511 | */ | |
1512 | ||
1513 | endCommentCharToken = insertSimpleToken ("endCommentChar"); | |
1514 | idCharToken = insertSimpleToken ("idChar"); | |
1515 | opCharToken = insertSimpleToken ("opChar"); | |
1516 | extensionCharToken = insertSimpleToken ("extensionChar"); | |
1517 | singleCharToken = insertSimpleToken ("singleChar"); | |
1518 | whiteCharToken = insertSimpleToken ("whiteChar"); | |
1519 | ||
1520 | quantifierSymToken = insertSimpleToken ("quantifierSym"); | |
1521 | logicalOpToken = insertSimpleToken ("logicalOp"); | |
1522 | eqOpToken = insertSimpleToken ("eqOp"); | |
1523 | equationSymToken = insertSimpleToken ("equationSym"); | |
1524 | eqSepSymToken = insertSimpleToken ("eqSepSym"); | |
1525 | selectSymToken = insertSimpleToken ("selectSym"); | |
1526 | openSymToken = insertSimpleToken ("openSym"); | |
1527 | sepSymToken = insertSimpleToken ("sepSym"); | |
1528 | closeSymToken = insertSimpleToken ("closeSym"); | |
1529 | simpleIdToken = insertSimpleToken ("simpleId"); | |
1530 | mapSymToken = insertSimpleToken ("mapSym"); | |
1531 | markerSymToken = insertSimpleToken ("markerSym"); | |
1532 | commentSymToken = insertSimpleToken ("commentSym"); | |
1533 | synonymToken = insertSimpleToken ("synonym"); | |
1534 | ||
1535 | for (i = 0; i <= LASTCHAR; i++) | |
1536 | { | |
1537 | defineSingleChar[i] = FALSE; | |
1538 | } | |
1539 | ||
1540 | /* | |
1541 | ** Record the current extension character so can redefine back to | |
1542 | ** singleChar if a new extension character is redefined. | |
1543 | */ | |
1544 | ||
1545 | currentExtensionChar = (charCode) CHAREXTENDER; | |
1546 | ||
1547 | LSLReportEolTokens (TRUE); | |
1548 | ltoken_free (nextToken); | |
1549 | nextToken = LSLScanNextToken (); | |
1550 | } | |
1551 | ||
1552 | void lslinit_process (void) | |
1553 | /*@globals undef g_symtab; @*/ | |
1554 | /*@modifies g_symtab, internalState, fileSystem; @*/ | |
1555 | { | |
1556 | /* | |
1557 | ** Open init file provided by user, or use the default LCL init file | |
1558 | */ | |
1559 | ||
1560 | cstring larchpath = context_getLarchPath (); | |
1561 | inputStream initstream = inputStream_undefined; | |
1562 | ||
1563 | setCodePoint (); | |
1564 | ||
1565 | if (inputStream_isUndefined (s_initFile)) | |
1566 | { | |
1567 | s_initFile = inputStream_create (cstring_makeLiteral (INITFILENAME), | |
1568 | cstring_makeLiteralTemp (LCLINIT_SUFFIX), | |
1569 | FALSE); | |
1570 | ||
1571 | if (!inputStream_getPath (larchpath, s_initFile)) | |
1572 | { | |
1573 | lldiagmsg (message ("Continuing without LCL init file: %s", | |
1574 | inputStream_fileName (s_initFile))); | |
1575 | } | |
1576 | else | |
1577 | { | |
1578 | if (!inputStream_open (s_initFile)) | |
1579 | { | |
1580 | lldiagmsg (message ("Continuing without LCL init file: %s", | |
1581 | inputStream_fileName (s_initFile))); | |
1582 | } | |
1583 | } | |
1584 | } | |
1585 | else | |
1586 | { | |
1587 | if (!inputStream_open (s_initFile)) | |
1588 | { | |
1589 | lldiagmsg (message ("Continuing without LCL init file: %s", | |
1590 | inputStream_fileName (s_initFile))); | |
1591 | } | |
1592 | } | |
1593 | ||
1594 | /* Initialize checker */ | |
1595 | ||
1596 | lsymbol_initMod (); | |
1597 | LCLSynTableInit (); | |
1598 | ||
1599 | setCodePoint (); | |
1600 | ||
1601 | LCLSynTableReset (); | |
1602 | LCLTokenTableInit (); | |
1603 | ||
1604 | setCodePoint (); | |
1605 | ||
1606 | LCLScanLineInit (); | |
1607 | setCodePoint (); | |
1608 | LCLScanLineReset (); | |
1609 | setCodePoint (); | |
1610 | LCLScanInit (); | |
1611 | ||
1612 | setCodePoint (); | |
1613 | ||
1614 | /* need this to initialize LCL checker */ | |
1615 | ||
1616 | llassert (inputStream_isDefined (s_initFile)); | |
1617 | if (inputStream_isOpen (s_initFile)) | |
1618 | { | |
1619 | setCodePoint (); | |
1620 | ||
1621 | LCLScanReset (s_initFile); | |
1622 | lclinit_initMod (); | |
1623 | lclinit_reset (); | |
1624 | ||
1625 | setCodePoint (); | |
1626 | lclinit_process (); | |
1627 | lclinit_cleanup (); | |
1628 | ||
1629 | setCodePoint (); | |
1630 | check (inputStream_close (s_initFile)); | |
1631 | } | |
1632 | ||
1633 | /* Initialize LSL init files, for parsing LSL signatures from LSL */ | |
1634 | ||
1635 | initstream = inputStream_create (cstring_makeLiteral ("lslinit.lsi"), | |
1636 | cstring_makeLiteralTemp (".lsi"), | |
1637 | FALSE); | |
1638 | ||
1639 | if (!inputStream_getPath (larchpath, initstream)) | |
1640 | { | |
1641 | lldiagmsg (message ("Continuing without LSL init file: %s", | |
1642 | inputStream_fileName (initstream))); | |
1643 | } | |
1644 | else | |
1645 | { | |
1646 | if (!inputStream_open (initstream)) | |
1647 | { | |
1648 | lldiagmsg (message ("Continuing without LSL init file: %s", | |
1649 | inputStream_fileName (initstream))); | |
1650 | } | |
1651 | } | |
1652 | ||
1653 | setCodePoint (); | |
1654 | lsynTableInit (); | |
1655 | lsynTableReset (); | |
1656 | ||
1657 | setCodePoint (); | |
1658 | ltokenTableInit (); | |
1659 | ||
1660 | setCodePoint (); | |
1661 | lscanLineInit (); | |
1662 | lscanLineReset (); | |
1663 | LSLScanInit (); | |
1664 | ||
1665 | if (inputStream_isOpen (initstream)) | |
1666 | { | |
1667 | setCodePoint (); | |
1668 | LSLScanReset (initstream); | |
1669 | lslinit_initProcessInitFile (); | |
1670 | lslinit_processInitFile (); | |
1671 | check (inputStream_close (initstream)); | |
1672 | } | |
1673 | ||
1674 | inputStream_free (initstream); | |
1675 | ||
1676 | if (lclHadError ()) | |
1677 | { | |
1678 | lclplainerror | |
1679 | (cstring_makeLiteral ("LSL init file error. Attempting to continue.")); | |
1680 | } | |
1681 | ||
1682 | setCodePoint (); | |
1683 | g_symtab = symtable_new (); | |
1684 | ||
1685 | /* | |
1686 | ** sort_init must come after symtab has been initialized | |
1687 | */ | |
1688 | sort_init (); | |
1689 | abstract_init (); | |
1690 | setCodePoint (); | |
1691 | ||
1692 | /* | |
1693 | ** Equivalent to importing old spec_csupport.lcl | |
1694 | ** define immutable LCL type "bool" and bool constants TRUE and FALSE | |
1695 | ** and initialized them to be equal to LSL's "true" and "false". | |
1696 | ** | |
1697 | ** Reads in CTrait.syms (derived from CTrait.lsl) on LARCH_PATH. | |
1698 | */ | |
1699 | ||
1700 | LCLBuiltins (); | |
1701 | LCLReportEolTokens (FALSE); | |
1702 | } |