]>
Commit | Line | Data |
---|---|---|
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" | |
53306cab | 40 | # include "lclscan.h" |
41 | # include "lclscanline.h" | |
843c0c7a | 42 | |
43 | /* needed to parse init files */ | |
44 | # include "shift.h" | |
45 | #if TRACING == 1 | |
46 | /*@notfunction@*/ | |
47 | # define LTRACE(rule) printf ("Reducing: %s\n", rule) | |
48 | #else | |
49 | /*@notfunction@*/ | |
50 | # define LTRACE(rule) | |
51 | #endif | |
52 | ||
53 | static void LocalUserError (ltoken p_t, /*@temp@*/ char *p_msg) | |
54 | /*@modifies *g_warningstream@*/; | |
55 | ||
56 | static /*@only@*/ ltoken nextToken; | |
57 | ||
58 | static /*@only@*/ /*@null@*/ inputStream s_initFile = inputStream_undefined; | |
59 | ||
60 | static void InitFile (void) /*@modifies nextToken@*/ ; | |
61 | static void InitLines (void) /*@modifies nextToken@*/ ; | |
62 | static void InitLine (void) /*@modifies nextToken@*/ ; | |
63 | static void Classification (void) /*@modifies nextToken@*/ ; | |
64 | static void CharClass (void) /*@modifies nextToken@*/ ; | |
65 | ||
66 | static void EndCommentChars (void) /*@modifies nextToken@*/ ; | |
67 | static void IdChars (void) /*@modifies nextToken@*/ ; | |
68 | static void OpChars (void) /*@modifies nextToken@*/ ; | |
69 | static void ExtensionChar (void) /*@modifies nextToken@*/ ; | |
70 | static void SingChars (void) /*@modifies nextToken@*/ ; | |
71 | static void WhiteChars (void) /*@modifies nextToken@*/ ; | |
72 | static void EndCommentChar (void) /*@modifies nextToken@*/ ; | |
73 | static void IdChar (void) /*@modifies nextToken@*/ ; | |
74 | static void OpChar (void) /*@modifies nextToken@*/ ; | |
75 | static void SingChar (void) /*@modifies nextToken@*/ ; | |
76 | static void WhiteChar (void) /*@modifies nextToken@*/ ; | |
77 | ||
78 | static void TokenClass (void) /*@modifies nextToken@*/ ; | |
79 | static void QuantifierSymToks (void) /*@modifies nextToken@*/ ; | |
80 | static void LogicalOpToks (void) /*@modifies nextToken@*/ ; | |
81 | static void EqOpToks (void) /*@modifies nextToken@*/ ; | |
82 | static void EquationSymToks (void) /*@modifies nextToken@*/ ; | |
83 | static void EqSepSymToks (void) /*@modifies nextToken@*/ ; | |
84 | static void SelectSymToks (void) /*@modifies nextToken@*/ ; | |
85 | static void OpenSymToks (void) /*@modifies nextToken@*/ ; | |
86 | static void SepSymToks (void) /*@modifies nextToken@*/ ; | |
87 | static void CloseSymToks (void) /*@modifies nextToken@*/ ; | |
88 | static void SimpleIdToks (void) /*@modifies nextToken@*/ ; | |
89 | static void MapSymToks (void) /*@modifies nextToken@*/ ; | |
90 | static void MarkerSymToks (void) /*@modifies nextToken@*/ ; | |
91 | static void CommentSymToks (void) /*@modifies nextToken@*/ ; | |
92 | static void QuantifierSymTok (void) /*@modifies nextToken@*/ ; | |
93 | static void LogicalOpTok (void) /*@modifies nextToken@*/ ; | |
94 | static void EqOpTok (void) /*@modifies nextToken@*/ ; | |
95 | static void EquationSymTok (void) /*@modifies nextToken@*/ ; | |
96 | static void EqSepSymTok (void) /*@modifies nextToken@*/ ; | |
97 | static void SelectSymTok (void) /*@modifies nextToken@*/ ; | |
98 | static void OpenSymTok (void) /*@modifies nextToken@*/ ; | |
99 | static void SepSymTok (void) /*@modifies nextToken@*/ ; | |
100 | static void CloseSymTok (void) /*@modifies nextToken@*/ ; | |
101 | static void SimpleIdTok (void) /*@modifies nextToken@*/ ; | |
102 | static void MapSymTok (void) /*@modifies nextToken@*/ ; | |
103 | static void MarkerSymTok (void) /*@modifies nextToken@*/ ; | |
104 | static void CommentSymTok (void) /*@modifies nextToken@*/ ; | |
105 | static void SynClass (void) /*@modifies nextToken@*/ ; | |
106 | static void OldToken (void) /*@modifies nextToken@*/ ; | |
107 | static void NewToken (void) /*@modifies nextToken@*/ ; | |
108 | static void Token (void) /*@modifies nextToken@*/ ; | |
109 | ||
110 | static void InitReduce (LSLInitRuleCode p_rule) /*@modifies nextToken@*/ ; | |
111 | static void UpdateXCharKeywords (charCode) /*@modifies nextToken@*/ ; | |
112 | static void ProcessExtensionChar (void) /*@modifies nextToken@*/ ; | |
113 | static void ProcessEndCommentChar (void) /*@modifies nextToken@*/ ; | |
114 | static void ProcessSingleChar (charCode p_code) /*@modifies nextToken@*/ ; | |
115 | static void ProcessToken (ltokenCode p_code) /*@modifies nextToken@*/ ; | |
116 | static void ProcessSynonym (void) /*@modifies nextToken@*/ ; | |
117 | ||
118 | /* If TRUE character has been redefined as a singleChar. */ | |
119 | static bool defineSingleChar[LASTCHAR + 1]; | |
120 | ||
121 | static charCode currentExtensionChar; | |
122 | ||
123 | /* LSL init file keyword tokens. */ | |
124 | ||
125 | static /*@dependent@*/ ltoken endCommentCharToken; | |
126 | static /*@dependent@*/ ltoken idCharToken; | |
127 | static /*@dependent@*/ ltoken opCharToken; | |
128 | static /*@dependent@*/ ltoken extensionCharToken; | |
129 | static /*@dependent@*/ ltoken singleCharToken; | |
130 | static /*@dependent@*/ ltoken whiteCharToken; | |
131 | static /*@dependent@*/ ltoken quantifierSymToken; | |
132 | static /*@dependent@*/ ltoken logicalOpToken; | |
133 | static /*@dependent@*/ ltoken eqOpToken; | |
134 | static /*@dependent@*/ ltoken equationSymToken; | |
135 | static /*@dependent@*/ ltoken eqSepSymToken; | |
136 | static /*@dependent@*/ ltoken selectSymToken; | |
137 | static /*@dependent@*/ ltoken openSymToken; | |
138 | static /*@dependent@*/ ltoken sepSymToken; | |
139 | static /*@dependent@*/ ltoken closeSymToken; | |
140 | static /*@dependent@*/ ltoken simpleIdToken; | |
141 | static /*@dependent@*/ ltoken mapSymToken; | |
142 | static /*@dependent@*/ ltoken markerSymToken; | |
143 | static /*@dependent@*/ ltoken commentSymToken; | |
144 | static /*@dependent@*/ ltoken synonymToken; | |
145 | ||
146 | static bool | |
147 | hasFirstChar (ltoken tok) | |
148 | { | |
149 | return (ltoken_isChar (tok) | |
150 | && lscanCharClass (cstring_firstChar (ltoken_unparse (tok))) == SINGLECHAR); | |
151 | } | |
152 | ||
153 | void | |
154 | lslinit_setInitFile (inputStream s) | |
155 | { | |
156 | llassert (inputStream_isUndefined (s_initFile)); | |
157 | s_initFile = s; | |
158 | } | |
159 | ||
160 | /* | |
161 | ** | |
162 | ** Parsing functions for init file processing, in the same order as the | |
163 | ** grammar file lslinit.cfg. This is top-down order, as much as possible. | |
164 | ** | |
165 | */ | |
166 | ||
167 | static void lslinit_processInitFile (void) | |
168 | { | |
169 | InitLines (); | |
170 | InitReduce (INITFILE1); | |
171 | ||
172 | if (ltoken_getCode (nextToken) != LEOFTOKEN) | |
173 | { | |
174 | LocalUserError (nextToken, "unexpected tokens after end-of-file"); | |
175 | } | |
176 | } | |
177 | ||
178 | static void | |
179 | InitLines (void) | |
180 | { | |
181 | InitReduce (INITLINES1); | |
182 | ||
183 | if (ltoken_getCode (nextToken) != LEOFTOKEN) | |
184 | { | |
185 | InitLine (); | |
186 | InitReduce (INITLINES2); | |
187 | } | |
188 | ||
189 | while (ltoken_getCode (nextToken) != LEOFTOKEN) | |
190 | { | |
191 | InitLine (); | |
192 | InitReduce (INITLINES3); | |
193 | } | |
194 | ||
195 | } | |
196 | ||
197 | static void | |
198 | InitLine (void) | |
199 | { | |
200 | if (ltoken_getCode (nextToken) == LST_EOL) | |
201 | { | |
202 | /* Nothing on line. */ | |
203 | InitReduce (INITLINE1); | |
204 | } | |
205 | else | |
206 | { | |
207 | Classification (); | |
208 | InitReduce (INITLINE2); | |
209 | } | |
210 | ||
211 | if (ltoken_getCode (nextToken) != LST_EOL) | |
212 | { | |
213 | LocalUserError (nextToken, "Unexpected tokens on line"); | |
214 | } | |
215 | ||
216 | ltoken_free (nextToken); | |
217 | nextToken = LSLScanNextToken (); | |
218 | } | |
219 | ||
220 | static void | |
221 | Classification (void) | |
222 | { | |
223 | if (ltoken_getRawText (nextToken) == ltoken_getText (endCommentCharToken) | |
224 | || ltoken_getRawText (nextToken) == ltoken_getText (idCharToken) | |
225 | || ltoken_getRawText (nextToken) == ltoken_getText (opCharToken) | |
226 | || ltoken_getRawText (nextToken) == ltoken_getText (extensionCharToken) | |
227 | || ltoken_getRawText (nextToken) == ltoken_getText (singleCharToken) | |
228 | || ltoken_getRawText (nextToken) == ltoken_getText (whiteCharToken)) | |
229 | { | |
230 | CharClass (); | |
231 | InitReduce (CLASSIFICATION1); | |
232 | } | |
233 | else if (ltoken_getRawText (nextToken) == ltoken_getText (quantifierSymToken) | |
234 | || ltoken_getRawText (nextToken) == ltoken_getText (logicalOpToken) | |
235 | || ltoken_getRawText (nextToken) == ltoken_getText (eqOpToken) | |
236 | || ltoken_getRawText (nextToken) == ltoken_getText (equationSymToken) | |
237 | || ltoken_getRawText (nextToken) == ltoken_getText (eqSepSymToken) | |
238 | || ltoken_getRawText (nextToken) == ltoken_getText (selectSymToken) | |
239 | || ltoken_getRawText (nextToken) == ltoken_getText (openSymToken) | |
240 | || ltoken_getRawText (nextToken) == ltoken_getText (sepSymToken) | |
241 | || ltoken_getRawText (nextToken) == ltoken_getText (closeSymToken) | |
242 | || ltoken_getRawText (nextToken) == ltoken_getText (simpleIdToken) | |
243 | || ltoken_getRawText (nextToken) == ltoken_getText (mapSymToken) | |
244 | || ltoken_getRawText (nextToken) == ltoken_getText (markerSymToken) | |
245 | || ltoken_getRawText (nextToken) == ltoken_getText (commentSymToken)) | |
246 | { | |
247 | TokenClass (); | |
248 | InitReduce (CLASSIFICATION2); | |
249 | } | |
250 | else if (ltoken_getRawText (nextToken) == ltoken_getText (synonymToken)) | |
251 | { | |
252 | SynClass (); | |
253 | InitReduce (CLASSIFICATION3); | |
254 | } | |
255 | else | |
256 | { | |
257 | LocalUserError (nextToken, | |
258 | "expected character, token, or synonym classification"); | |
259 | } | |
260 | } | |
261 | ||
262 | static void | |
263 | CharClass (void) | |
264 | { | |
265 | ltoken charClassToken; | |
266 | ||
267 | charClassToken = nextToken; | |
268 | ||
269 | nextToken = LSLScanNextToken (); /* Discard char class keyword. */ | |
270 | ||
271 | if (ltoken_getRawText (charClassToken) == ltoken_getText (endCommentCharToken)) | |
272 | { | |
273 | EndCommentChars (); | |
274 | InitReduce (CHARCLASS1); | |
275 | } | |
276 | else if (ltoken_getRawText (charClassToken) == ltoken_getText (idCharToken)) | |
277 | { | |
278 | IdChars (); | |
279 | InitReduce (CHARCLASS2); | |
280 | } | |
281 | else if (ltoken_getRawText (charClassToken) == ltoken_getText (opCharToken)) | |
282 | { | |
283 | OpChars (); | |
284 | InitReduce (CHARCLASS3); | |
285 | } | |
286 | else if (ltoken_getRawText (charClassToken) | |
287 | == ltoken_getText (extensionCharToken)) | |
288 | { | |
289 | ExtensionChar (); | |
290 | InitReduce (CHARCLASS4); | |
291 | } | |
292 | else if (ltoken_getRawText (charClassToken) == ltoken_getText (singleCharToken)) | |
293 | { | |
294 | SingChars (); | |
295 | InitReduce (CHARCLASS5); | |
296 | } | |
297 | else if (ltoken_getRawText (charClassToken) == ltoken_getText (whiteCharToken)) | |
298 | { | |
299 | WhiteChars (); | |
300 | InitReduce (CHARCLASS6); | |
301 | } | |
302 | else | |
303 | { | |
304 | LocalUserError (nextToken, "expected character classification"); | |
305 | } | |
306 | ||
307 | ltoken_free (charClassToken); | |
308 | } | |
309 | ||
310 | static void | |
311 | EndCommentChars (void) | |
312 | { | |
313 | EndCommentChar (); | |
314 | InitReduce (LRC_ENDCOMMENT1); | |
315 | ||
316 | while (ltoken_getCode (nextToken) != LST_EOL) | |
317 | { | |
318 | EndCommentChar (); | |
319 | InitReduce (LRC_ENDCOMMENT2); | |
320 | } | |
321 | ||
322 | } | |
323 | ||
324 | static void | |
325 | IdChars (void) | |
326 | { | |
327 | IdChar (); | |
328 | InitReduce (IDCHARS1); | |
329 | ||
330 | while (ltoken_getCode (nextToken) != LST_EOL) | |
331 | { | |
332 | IdChar (); | |
333 | InitReduce (IDCHARS2); | |
334 | } | |
335 | } | |
336 | ||
337 | static void | |
338 | OpChars (void) | |
339 | { | |
340 | OpChar (); | |
341 | InitReduce (OPCHARS1); | |
342 | ||
343 | while (ltoken_getCode (nextToken) != LST_EOL) | |
344 | { | |
345 | OpChar (); | |
346 | InitReduce (OPCHARS2); | |
347 | } | |
348 | } | |
349 | ||
350 | static void | |
351 | ExtensionChar (void) | |
352 | { | |
353 | if (ltoken_isChar (nextToken) | |
354 | && lscanCharClass (cstring_firstChar (ltoken_unparse (nextToken))) == SINGLECHAR) | |
355 | { | |
356 | LSLGenShiftOnly (nextToken); | |
357 | nextToken = LSLScanNextToken (); | |
358 | InitReduce (LRC_EXTENSIONCHAR1); | |
359 | } | |
360 | else | |
361 | { | |
362 | LocalUserError (nextToken, "expected only one character"); | |
363 | } | |
364 | } | |
365 | ||
366 | static void | |
367 | SingChars (void) | |
368 | { | |
369 | SingChar (); | |
370 | InitReduce (SINGCHARS1); | |
371 | ||
372 | while (ltoken_getCode (nextToken) != LST_EOL) | |
373 | { | |
374 | SingChar (); | |
375 | InitReduce (SINGCHARS2); | |
376 | } | |
377 | } | |
378 | ||
379 | static void | |
380 | WhiteChars (void) | |
381 | { | |
382 | WhiteChar (); | |
383 | InitReduce (WHITECHARS1); | |
384 | ||
385 | while (ltoken_getCode (nextToken) != LST_EOL) | |
386 | { | |
387 | WhiteChar (); | |
388 | InitReduce (WHITECHARS2); | |
389 | } | |
390 | } | |
391 | ||
392 | static void | |
393 | EndCommentChar (void) | |
394 | { | |
395 | if (ltoken_isChar (nextToken)) | |
396 | { | |
397 | LSLGenShiftOnly (nextToken); | |
398 | nextToken = LSLScanNextToken (); | |
399 | InitReduce (LRC_ENDCOMMENTCHAR1); | |
400 | } | |
401 | else | |
402 | { | |
403 | LocalUserError (nextToken, "expected only one character"); | |
404 | } | |
405 | } | |
406 | ||
407 | static void | |
408 | IdChar (void) | |
409 | { | |
410 | if (hasFirstChar (nextToken)) | |
411 | { | |
412 | LSLGenShiftOnly (nextToken); | |
413 | nextToken = LSLScanNextToken (); | |
414 | InitReduce (IDCHAR1); | |
415 | } | |
416 | else | |
417 | { | |
418 | LocalUserError (nextToken, "character is already defined, cannot redefine"); | |
419 | } | |
420 | } | |
421 | ||
422 | static void | |
423 | OpChar (void) | |
424 | { | |
425 | if (hasFirstChar (nextToken)) | |
426 | { | |
427 | LSLGenShiftOnly (nextToken); | |
428 | nextToken = LSLScanNextToken (); | |
429 | InitReduce (OPCHAR1); | |
430 | } | |
431 | else | |
432 | { | |
433 | LocalUserError (nextToken, "character is already defined, cannot redefine"); | |
434 | } | |
435 | } | |
436 | ||
437 | static void | |
438 | SingChar (void) | |
439 | { | |
440 | if (hasFirstChar (nextToken)) | |
441 | { | |
442 | LSLGenShiftOnly (nextToken); | |
443 | nextToken = LSLScanNextToken (); | |
444 | InitReduce (SINGCHAR1); | |
445 | } | |
446 | else | |
447 | { | |
448 | LocalUserError (nextToken, "character is already defined, cannot redefine"); | |
449 | } | |
450 | } | |
451 | ||
452 | static void | |
453 | WhiteChar (void) | |
454 | { | |
455 | if (hasFirstChar (nextToken)) | |
456 | { | |
457 | LSLGenShiftOnly (nextToken); | |
458 | nextToken = LSLScanNextToken (); | |
459 | InitReduce (WHITECHAR1); | |
460 | } | |
461 | else | |
462 | { | |
463 | LocalUserError (nextToken, "character is already defined, cannot redefine"); | |
464 | } | |
465 | } | |
466 | ||
467 | static void | |
468 | TokenClass (void) | |
469 | { | |
470 | ltoken tokenClassToken; | |
471 | ||
472 | tokenClassToken = nextToken; | |
473 | ||
474 | nextToken = LSLScanNextToken (); | |
475 | ||
476 | if (ltoken_getRawText (tokenClassToken) == ltoken_getText (quantifierSymToken)) | |
477 | { | |
478 | QuantifierSymToks (); | |
479 | InitReduce (TOKENCLASS1); | |
480 | } | |
481 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (logicalOpToken)) | |
482 | { | |
483 | LogicalOpToks (); | |
484 | InitReduce (TOKENCLASS2); | |
485 | } | |
486 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (eqOpToken)) | |
487 | { | |
488 | EqOpToks (); | |
489 | InitReduce (TOKENCLASS3); | |
490 | } | |
491 | else if (ltoken_getRawText (tokenClassToken) | |
492 | == ltoken_getText (equationSymToken)) | |
493 | { | |
494 | EquationSymToks (); | |
495 | InitReduce (TOKENCLASS4); | |
496 | } | |
497 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (eqSepSymToken)) | |
498 | { | |
499 | EqSepSymToks (); | |
500 | InitReduce (TOKENCLASS5); | |
501 | } | |
502 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (selectSymToken)) | |
503 | { | |
504 | SelectSymToks (); | |
505 | InitReduce (TOKENCLASS6); | |
506 | } | |
507 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (openSymToken)) | |
508 | { | |
509 | OpenSymToks (); | |
510 | InitReduce (TOKENCLASS7); | |
511 | } | |
512 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (sepSymToken)) | |
513 | { | |
514 | SepSymToks (); | |
515 | InitReduce (TOKENCLASS8); | |
516 | } | |
517 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (closeSymToken)) | |
518 | { | |
519 | CloseSymToks (); | |
520 | InitReduce (TOKENCLASS9); | |
521 | } | |
522 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (simpleIdToken)) | |
523 | { | |
524 | SimpleIdToks (); | |
525 | InitReduce (TOKENCLASS10); | |
526 | } | |
527 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (mapSymToken)) | |
528 | { | |
529 | MapSymToks (); | |
530 | InitReduce (TOKENCLASS11); | |
531 | } | |
532 | else if (ltoken_getRawText (tokenClassToken) == ltoken_getText (markerSymToken)) | |
533 | { | |
534 | MarkerSymToks (); | |
535 | InitReduce (TOKENCLASS12); | |
536 | } | |
537 | else if (ltoken_getRawText (tokenClassToken) | |
538 | == ltoken_getText (commentSymToken)) | |
539 | { | |
540 | CommentSymToks (); | |
541 | InitReduce (TOKENCLASS13); | |
542 | } | |
543 | else | |
544 | { | |
545 | LocalUserError (nextToken, "expected token classification"); | |
546 | } | |
547 | ||
548 | ltoken_free (tokenClassToken); | |
549 | } | |
550 | ||
551 | static void | |
552 | QuantifierSymToks (void) | |
553 | { | |
554 | QuantifierSymTok (); | |
555 | InitReduce (QUANTIFIERSYMTOKS1); | |
556 | ||
557 | while (ltoken_getCode (nextToken) != LST_EOL) | |
558 | { | |
559 | QuantifierSymTok (); | |
560 | InitReduce (QUANTIFIERSYMTOKS2); | |
561 | } | |
562 | } | |
563 | ||
564 | static void | |
565 | LogicalOpToks (void) | |
566 | { | |
567 | LogicalOpTok (); | |
568 | InitReduce (LOGICALOPTOKS1); | |
569 | ||
570 | while (ltoken_getCode (nextToken) != LST_EOL) | |
571 | { | |
572 | LogicalOpTok (); | |
573 | InitReduce (LOGICALOPTOKS2); | |
574 | } | |
575 | } | |
576 | ||
577 | static void | |
578 | EqOpToks (void) | |
579 | { | |
580 | EqOpTok (); | |
581 | InitReduce (LRC_EQOPTOKS1); | |
582 | ||
583 | while (ltoken_getCode (nextToken) != LST_EOL) | |
584 | { | |
585 | EqOpTok (); | |
586 | InitReduce (LRC_EQOPTOKS2); | |
587 | } | |
588 | } | |
589 | ||
590 | static void | |
591 | EquationSymToks (void) | |
592 | { | |
593 | EquationSymTok (); | |
594 | InitReduce (LRC_EQUATIONSYMTOKS1); | |
595 | ||
596 | while (ltoken_getCode (nextToken) != LST_EOL) | |
597 | { | |
598 | EquationSymTok (); | |
599 | InitReduce (LRC_EQUATIONSYMTOKS2); | |
600 | } | |
601 | } | |
602 | ||
603 | static void | |
604 | EqSepSymToks (void) | |
605 | { | |
606 | EqSepSymTok (); | |
607 | InitReduce (LRC_EQSEPSYMTOKS1); | |
608 | ||
609 | while (ltoken_getCode (nextToken) != LST_EOL) | |
610 | { | |
611 | EqSepSymTok (); | |
612 | InitReduce (LRC_EQSEPSYMTOKS2); | |
613 | } | |
614 | } | |
615 | ||
616 | static void | |
617 | SelectSymToks (void) | |
618 | { | |
619 | SelectSymTok (); | |
620 | InitReduce (SELECTSYMTOKS1); | |
621 | ||
622 | while (ltoken_getCode (nextToken) != LST_EOL) | |
623 | { | |
624 | SelectSymTok (); | |
625 | InitReduce (SELECTSYMTOKS2); | |
626 | } | |
627 | } | |
628 | ||
629 | static void | |
630 | OpenSymToks (void) | |
631 | { | |
632 | OpenSymTok (); | |
633 | InitReduce (OPENSYMTOKS1); | |
634 | ||
635 | while (ltoken_getCode (nextToken) != LST_EOL) | |
636 | { | |
637 | OpenSymTok (); | |
638 | InitReduce (OPENSYMTOKS2); | |
639 | } | |
640 | } | |
641 | ||
642 | static void | |
643 | SepSymToks (void) | |
644 | { | |
645 | SepSymTok (); | |
646 | InitReduce (SEPSYMTOKS1); | |
647 | ||
648 | while (ltoken_getCode (nextToken) != LST_EOL) | |
649 | { | |
650 | SepSymTok (); | |
651 | InitReduce (SEPSYMTOKS2); | |
652 | } | |
653 | } | |
654 | ||
655 | static void | |
656 | CloseSymToks (void) | |
657 | { | |
658 | CloseSymTok (); | |
659 | InitReduce (CLOSESYMTOKS1); | |
660 | ||
661 | while (ltoken_getCode (nextToken) != LST_EOL) | |
662 | { | |
663 | CloseSymTok (); | |
664 | InitReduce (CLOSESYMTOKS2); | |
665 | } | |
666 | } | |
667 | ||
668 | static void | |
669 | SimpleIdToks (void) | |
670 | { | |
671 | SimpleIdTok (); | |
672 | InitReduce (SIMPLEIDTOKS1); | |
673 | ||
674 | while (ltoken_getCode (nextToken) != LST_EOL) | |
675 | { | |
676 | SimpleIdTok (); | |
677 | InitReduce (SIMPLEIDTOKS2); | |
678 | } | |
679 | } | |
680 | ||
681 | static void | |
682 | MapSymToks (void) | |
683 | { | |
684 | MapSymTok (); | |
685 | InitReduce (MAPSYMTOKS1); | |
686 | ||
687 | while (ltoken_getCode (nextToken) != LST_EOL) | |
688 | { | |
689 | MapSymTok (); | |
690 | InitReduce (MAPSYMTOKS2); | |
691 | } | |
692 | } | |
693 | ||
694 | static void | |
695 | MarkerSymToks (void) | |
696 | { | |
697 | MarkerSymTok (); | |
698 | InitReduce (MARKERSYMTOKS1); | |
699 | ||
700 | while (ltoken_getCode (nextToken) != LST_EOL) | |
701 | { | |
702 | MarkerSymTok (); | |
703 | InitReduce (MARKERSYMTOKS2); | |
704 | } | |
705 | } | |
706 | ||
707 | static void | |
708 | CommentSymToks (void) | |
709 | { | |
710 | CommentSymTok (); | |
711 | InitReduce (COMMENTSYMTOKS1); | |
712 | ||
713 | while (ltoken_getCode (nextToken) != LST_EOL) | |
714 | { | |
715 | CommentSymTok (); | |
716 | InitReduce (COMMENTSYMTOKS2); | |
717 | } | |
718 | } | |
719 | ||
720 | static void | |
721 | QuantifierSymTok (void) | |
722 | { | |
723 | Token (); | |
724 | InitReduce (QUANTIFIERSYMTOK1); | |
725 | } | |
726 | ||
727 | static void | |
728 | LogicalOpTok (void) | |
729 | { | |
730 | Token (); | |
731 | InitReduce (LOGICALOPTOK1); | |
732 | } | |
733 | ||
734 | static void | |
735 | EqOpTok (void) | |
736 | { | |
737 | Token (); | |
738 | InitReduce (LRC_EQOPTOK1); | |
739 | } | |
740 | ||
741 | static void | |
742 | EquationSymTok (void) | |
743 | { | |
744 | /* ### EquationSymTok (); ### */ | |
745 | Token (); | |
746 | InitReduce (LRC_EQUATIONSYMTOK1); | |
747 | } | |
748 | ||
749 | static void | |
750 | EqSepSymTok (void) | |
751 | { | |
752 | Token (); | |
753 | InitReduce (LRC_EQSEPSYMTOK1); | |
754 | ||
755 | } | |
756 | ||
757 | static void | |
758 | SelectSymTok (void) | |
759 | { | |
760 | Token (); | |
761 | InitReduce (SELECTSYMTOK1); | |
762 | } | |
763 | ||
764 | static void | |
765 | OpenSymTok (void) | |
766 | { | |
767 | Token (); | |
768 | InitReduce (OPENSYMTOK1); | |
769 | } | |
770 | ||
771 | static void | |
772 | SepSymTok (void) | |
773 | { | |
774 | Token (); | |
775 | InitReduce (SEPSYMTOK1); | |
776 | } | |
777 | ||
778 | static void | |
779 | CloseSymTok (void) | |
780 | { | |
781 | Token (); | |
782 | InitReduce (CLOSESYMTOK1); | |
783 | } | |
784 | ||
785 | static void | |
786 | SimpleIdTok (void) | |
787 | { | |
788 | Token (); | |
789 | InitReduce (SIMPLEIDTOK1); | |
790 | } | |
791 | ||
792 | static void | |
793 | MapSymTok (void) | |
794 | { | |
795 | Token (); | |
796 | InitReduce (MAPSYMTOK1); | |
797 | } | |
798 | ||
799 | static void | |
800 | MarkerSymTok (void) | |
801 | { | |
802 | Token (); | |
803 | InitReduce (MARKERSYMTOK1); | |
804 | ||
805 | } | |
806 | ||
807 | static void | |
808 | CommentSymTok (void) | |
809 | { | |
810 | Token (); | |
811 | InitReduce (COMMENTSYMTOK1); | |
812 | } | |
813 | ||
814 | ||
815 | static void | |
816 | SynClass (void) | |
817 | { | |
818 | if (ltoken_getRawText (nextToken) == ltoken_getText (synonymToken)) | |
819 | { | |
820 | ltoken_free (nextToken); | |
821 | nextToken = LSLScanNextToken (); | |
822 | ||
823 | OldToken (); | |
824 | NewToken (); | |
825 | ||
826 | InitReduce (SYNCLASS1); | |
827 | } | |
828 | else | |
829 | { | |
830 | LocalUserError (nextToken, "expected synonym classification"); | |
831 | } | |
832 | ||
833 | } | |
834 | ||
835 | static void | |
836 | OldToken (void) | |
837 | { | |
838 | Token (); | |
839 | InitReduce (OLDTOKEN1); | |
840 | ||
841 | } | |
842 | ||
843 | static void | |
844 | NewToken (void) | |
845 | { | |
846 | Token (); | |
847 | InitReduce (NEWTOKEN1); | |
848 | ||
849 | } | |
850 | ||
851 | static void | |
852 | Token (void) | |
853 | { | |
854 | if (ltoken_getCode (nextToken) == LST_EOL | |
855 | || ltoken_getCode (nextToken) == LEOFTOKEN) | |
856 | { | |
857 | LocalUserError (nextToken, "unexpected end-of-line or end-of-file"); | |
858 | } | |
859 | else | |
860 | { | |
861 | LSLGenShiftOnly (nextToken); | |
862 | nextToken = LSLScanNextToken (); | |
863 | } | |
864 | } | |
865 | ||
866 | /* | |
867 | ** Init File Processing Routines, these routines use the shift-reduce sequence | |
868 | ** produced by the init file parser and update the necessary tables for the | |
869 | ** scanner. | |
870 | ** | |
871 | ** The same shift stack is used that LSL parser uses. A different reduce | |
872 | ** procedure is used because the init file grammar is different from the LSL | |
873 | ** grammar. | |
874 | ** | |
875 | */ | |
876 | ||
877 | static void | |
878 | InitReduce (LSLInitRuleCode rule) | |
879 | { | |
880 | switch (rule) | |
881 | { | |
882 | case INITFILE1: | |
883 | LTRACE ("INITFILE1"); | |
884 | break; | |
885 | ||
886 | case INITLINES1: | |
887 | LTRACE ("INITLINES1"); | |
888 | break; | |
889 | ||
890 | case INITLINES2: | |
891 | LTRACE ("INITLINES2"); | |
892 | break; | |
893 | ||
894 | case INITLINES3: | |
895 | LTRACE ("INITLINES3"); | |
896 | break; | |
897 | ||
898 | case INITLINE1: | |
899 | LTRACE ("INITLINE1"); | |
900 | break; | |
901 | ||
902 | case INITLINE2: | |
903 | LTRACE ("INITLINE2"); | |
904 | break; | |
905 | ||
906 | case CLASSIFICATION1: | |
907 | LTRACE ("CLASSIFICATION1"); | |
908 | break; | |
909 | ||
910 | case CLASSIFICATION2: | |
911 | LTRACE ("CLASSIFICATION2"); | |
912 | break; | |
913 | ||
914 | case CLASSIFICATION3: | |
915 | LTRACE ("CLASSIFICATION3"); | |
916 | break; | |
917 | ||
918 | case CHARCLASS1: | |
919 | LTRACE ("CHARCLASS1"); | |
920 | break; | |
921 | ||
922 | case CHARCLASS2: | |
923 | LTRACE ("CHARCLASS2"); | |
924 | break; | |
925 | ||
926 | case CHARCLASS3: | |
927 | LTRACE ("CHARCLASS3"); | |
928 | break; | |
929 | ||
930 | case CHARCLASS4: | |
931 | LTRACE ("CHARCLASS4"); | |
932 | break; | |
933 | ||
934 | case CHARCLASS5: | |
935 | LTRACE ("CHARCLASS5"); | |
936 | break; | |
937 | ||
938 | case CHARCLASS6: | |
939 | LTRACE ("CHARCLASS6"); | |
940 | break; | |
941 | ||
942 | case LRC_ENDCOMMENT1: | |
943 | LTRACE ("LRC_ENDCOMMENT1"); | |
944 | break; | |
945 | ||
946 | case LRC_ENDCOMMENT2: | |
947 | LTRACE ("LRC_ENDCOMMENT2"); | |
948 | break; | |
949 | ||
950 | case IDCHARS1: | |
951 | LTRACE ("IDCHARS1"); | |
952 | break; | |
953 | ||
954 | case IDCHARS2: | |
955 | LTRACE ("IDCHARS2"); | |
956 | break; | |
957 | ||
958 | case OPCHARS1: | |
959 | LTRACE ("OPCHARS1"); | |
960 | break; | |
961 | ||
962 | case OPCHARS2: | |
963 | LTRACE ("OPCHARS2"); | |
964 | break; | |
965 | ||
966 | case LRC_EXTENSIONCHAR1: | |
967 | LTRACE ("LRC_EXTENSIONCHAR1"); | |
968 | ProcessExtensionChar (); | |
969 | break; | |
970 | ||
971 | case SINGCHARS1: | |
972 | LTRACE ("SINGCHARS1"); | |
973 | break; | |
974 | ||
975 | case SINGCHARS2: | |
976 | LTRACE ("SINGCHARS2"); | |
977 | break; | |
978 | ||
979 | case WHITECHARS1: | |
980 | LTRACE ("WHITECHARS1"); | |
981 | break; | |
982 | ||
983 | case WHITECHARS2: | |
984 | LTRACE ("WHITECHARS2"); | |
985 | break; | |
986 | ||
987 | case LRC_ENDCOMMENTCHAR1: | |
988 | LTRACE ("LRC_ENDCOMMENTCHAR1"); | |
989 | ProcessEndCommentChar (); | |
990 | break; | |
991 | ||
992 | case IDCHAR1: | |
993 | LTRACE ("IDCHAR1"); | |
994 | ProcessSingleChar (IDCHAR); | |
995 | break; | |
996 | ||
997 | case OPCHAR1: | |
998 | LTRACE ("OPCHAR1"); | |
999 | ProcessSingleChar (OPCHAR); | |
1000 | break; | |
1001 | ||
1002 | case SINGCHAR1: | |
1003 | LTRACE ("SINGCHAR1"); | |
1004 | ProcessSingleChar (SINGLECHAR); | |
1005 | break; | |
1006 | ||
1007 | case WHITECHAR1: | |
1008 | LTRACE ("CHAR1"); | |
1009 | ProcessSingleChar (WHITECHAR); | |
1010 | break; | |
1011 | ||
1012 | case TOKENCLASS1: | |
1013 | LTRACE ("TOKENCLASS1"); | |
1014 | break; | |
1015 | ||
1016 | case TOKENCLASS2: | |
1017 | LTRACE ("TOKENCLASS2"); | |
1018 | break; | |
1019 | ||
1020 | case TOKENCLASS3: | |
1021 | LTRACE ("TOKENCLASS3"); | |
1022 | break; | |
1023 | ||
1024 | case TOKENCLASS4: | |
1025 | LTRACE ("TOKENCLASS4"); | |
1026 | break; | |
1027 | ||
1028 | case TOKENCLASS5: | |
1029 | LTRACE ("TOKENCLASS5"); | |
1030 | break; | |
1031 | ||
1032 | case TOKENCLASS6: | |
1033 | LTRACE ("TOKENCLASS6"); | |
1034 | break; | |
1035 | ||
1036 | case TOKENCLASS7: | |
1037 | LTRACE ("TOKENCLASS7"); | |
1038 | break; | |
1039 | ||
1040 | case TOKENCLASS8: | |
1041 | LTRACE ("TOKENCLASS8"); | |
1042 | break; | |
1043 | ||
1044 | case TOKENCLASS9: | |
1045 | LTRACE ("TOKENCLASS9"); | |
1046 | break; | |
1047 | ||
1048 | case TOKENCLASS10: | |
1049 | LTRACE ("TOKENCLASS10"); | |
1050 | break; | |
1051 | ||
1052 | case TOKENCLASS11: | |
1053 | LTRACE ("TOKENCLASS11"); | |
1054 | break; | |
1055 | ||
1056 | case TOKENCLASS12: | |
1057 | LTRACE ("TOKENCLASS12"); | |
1058 | break; | |
1059 | ||
1060 | case TOKENCLASS13: | |
1061 | LTRACE ("TOKENCLASS13"); | |
1062 | break; | |
1063 | ||
1064 | case QUANTIFIERSYMTOKS1: | |
1065 | LTRACE ("QUALIFERSYMTOKS1"); | |
1066 | break; | |
1067 | ||
1068 | case QUANTIFIERSYMTOKS2: | |
1069 | LTRACE ("QUANTIFIERSYMTOKS2"); | |
1070 | break; | |
1071 | ||
1072 | case LOGICALOPTOKS1: | |
1073 | LTRACE ("LOGICALOPTOKS1"); | |
1074 | break; | |
1075 | ||
1076 | case LOGICALOPTOKS2: | |
1077 | LTRACE ("LOGICALOPTOKS2"); | |
1078 | break; | |
1079 | ||
1080 | case LRC_EQOPTOKS1: | |
1081 | LTRACE ("LRC_EQOPTOKS1"); | |
1082 | break; | |
1083 | ||
1084 | case LRC_EQOPTOKS2: | |
1085 | LTRACE ("LRC_EQOPTOKS2"); | |
1086 | break; | |
1087 | ||
1088 | case LRC_EQUATIONSYMTOKS1: | |
1089 | LTRACE ("LRC_EQUATIONSYMTOKS1"); | |
1090 | break; | |
1091 | ||
1092 | case LRC_EQUATIONSYMTOKS2: | |
1093 | LTRACE ("LRC_EQUATIONSYMTOKS2"); | |
1094 | break; | |
1095 | ||
1096 | case LRC_EQSEPSYMTOKS1: | |
1097 | LTRACE ("LRC_EQSEPSYMTOKS1"); | |
1098 | break; | |
1099 | ||
1100 | case LRC_EQSEPSYMTOKS2: | |
1101 | LTRACE ("LRC_EQSEPSYMTOKS2"); | |
1102 | break; | |
1103 | ||
1104 | case SELECTSYMTOKS1: | |
1105 | LTRACE ("SELECTSYMTOKS1"); | |
1106 | break; | |
1107 | ||
1108 | case SELECTSYMTOKS2: | |
1109 | LTRACE ("SELECTSYMTOKS2"); | |
1110 | break; | |
1111 | ||
1112 | case OPENSYMTOKS1: | |
1113 | LTRACE ("OPENSYMTOKS1"); | |
1114 | break; | |
1115 | ||
1116 | case OPENSYMTOKS2: | |
1117 | LTRACE ("OPENSYMTOKS2"); | |
1118 | break; | |
1119 | ||
1120 | case SEPSYMTOKS1: | |
1121 | LTRACE ("SEPSYMTOKS1"); | |
1122 | break; | |
1123 | ||
1124 | case SEPSYMTOKS2: | |
1125 | LTRACE ("SEPSYMTOKS2"); | |
1126 | break; | |
1127 | ||
1128 | case CLOSESYMTOKS1: | |
1129 | LTRACE ("CLOSESYMTOKS1"); | |
1130 | break; | |
1131 | ||
1132 | case CLOSESYMTOKS2: | |
1133 | LTRACE ("CLOSESYMTOKS2"); | |
1134 | break; | |
1135 | ||
1136 | case SIMPLEIDTOKS1: | |
1137 | LTRACE ("SIMPLEIDTOKS1"); | |
1138 | break; | |
1139 | ||
1140 | case SIMPLEIDTOKS2: | |
1141 | LTRACE ("SIMPLEIDTOKS2"); | |
1142 | break; | |
1143 | ||
1144 | case MAPSYMTOKS1: | |
1145 | LTRACE ("MAPSYMTOKS1"); | |
1146 | break; | |
1147 | ||
1148 | case MAPSYMTOKS2: | |
1149 | LTRACE ("MAPSYMTOKS2"); | |
1150 | break; | |
1151 | ||
1152 | case MARKERSYMTOKS1: | |
1153 | LTRACE ("MARKERSYMTOKS1"); | |
1154 | break; | |
1155 | ||
1156 | case MARKERSYMTOKS2: | |
1157 | LTRACE ("MARKERSYMTOKS2"); | |
1158 | break; | |
1159 | ||
1160 | case COMMENTSYMTOKS1: | |
1161 | LTRACE ("COMMENTSYMTOKS1"); | |
1162 | break; | |
1163 | ||
1164 | case COMMENTSYMTOKS2: | |
1165 | LTRACE ("COMMENTSYMTOKS2"); | |
1166 | break; | |
1167 | ||
1168 | case QUANTIFIERSYMTOK1: | |
1169 | LTRACE ("QUANTIFERSYMTOK1"); | |
1170 | ProcessToken (LST_QUANTIFIERSYM); | |
1171 | break; | |
1172 | ||
1173 | case LOGICALOPTOK1: | |
1174 | LTRACE ("LOGICALOPTOK1"); | |
1175 | ProcessToken (LST_LOGICALOP); | |
1176 | break; | |
1177 | ||
1178 | case LRC_EQOPTOK1: | |
1179 | LTRACE ("LRC_EQOPTOK1"); | |
1180 | ProcessToken (LST_EQOP); | |
1181 | break; | |
1182 | ||
1183 | case LRC_EQUATIONSYMTOK1: | |
1184 | LTRACE ("LRC_EQUATIONSYMTOK1"); | |
1185 | ProcessToken (LST_EQUATIONSYM); | |
1186 | break; | |
1187 | ||
1188 | case LRC_EQSEPSYMTOK1: | |
1189 | LTRACE ("LRC_EQSEPSYMTOK1"); | |
1190 | ProcessToken (LST_EQSEPSYM); | |
1191 | break; | |
1192 | ||
1193 | case SELECTSYMTOK1: | |
1194 | LTRACE ("SELECTSYMTOK1"); | |
1195 | ProcessToken (LST_SELECTSYM); | |
1196 | break; | |
1197 | ||
1198 | case OPENSYMTOK1: | |
1199 | LTRACE ("OPENSYMTOK1"); | |
1200 | ProcessToken (LST_OPENSYM); | |
1201 | break; | |
1202 | ||
1203 | case SEPSYMTOK1: | |
1204 | LTRACE ("SEPSYMTOK1"); | |
1205 | ProcessToken (LST_SEPSYM); | |
1206 | break; | |
1207 | ||
1208 | case CLOSESYMTOK1: | |
1209 | LTRACE ("CLOSESYMTOK1"); | |
1210 | ProcessToken (LST_CLOSESYM); | |
1211 | break; | |
1212 | ||
1213 | case SIMPLEIDTOK1: | |
1214 | LTRACE ("SIMPLEIDTOK1"); | |
1215 | ProcessToken (LST_SIMPLEID); | |
1216 | break; | |
1217 | ||
1218 | case MAPSYMTOK1: | |
1219 | LTRACE ("MAPSYMTOK1"); | |
1220 | ProcessToken (LST_MAPSYM); | |
1221 | break; | |
1222 | ||
1223 | case MARKERSYMTOK1: | |
1224 | LTRACE ("MARKERSYMTOK1"); | |
1225 | ProcessToken (LST_MARKERSYM); | |
1226 | break; | |
1227 | ||
1228 | case COMMENTSYMTOK1: | |
1229 | LTRACE ("COMMENTSYMTOK1"); | |
1230 | ProcessToken (LST_COMMENTSYM); | |
1231 | break; | |
1232 | ||
1233 | case SYNCLASS1: | |
1234 | LTRACE ("SYNCLASS1"); | |
1235 | ProcessSynonym (); | |
1236 | break; | |
1237 | ||
1238 | case OLDTOKEN1: | |
1239 | LTRACE ("OLDTOKEN1"); | |
1240 | break; | |
1241 | ||
1242 | case NEWTOKEN1: | |
1243 | LTRACE ("NEWTOKEN1"); | |
1244 | break; | |
1245 | ||
1246 | default: | |
1247 | llcontbuglit ("InitReduce: bad switch"); | |
1248 | break; | |
1249 | ||
1250 | } /* end switch */ | |
1251 | } /* end InitReduce () */ | |
1252 | ||
1253 | ||
1254 | ||
1255 | /* Reset the first character of the predefined extensionChar keywords when */ | |
1256 | /* the extensionChar changes. e.g. "extensionChar @" changes "forall" to */ | |
1257 | /* "@forall". */ | |
1258 | ||
1259 | static void | |
1260 | UpdateXCharKeywords (charCode xCharCode) | |
1261 | { | |
1262 | char xChar = (char) xCharCode; | |
1263 | char *str; | |
1264 | ||
1265 | str = ltoken_getTextChars (ltoken_forall); | |
1266 | *str = xChar; | |
1267 | ||
1268 | str = ltoken_getTextChars (ltoken_and); | |
1269 | *str = xChar; | |
1270 | ||
1271 | str = ltoken_getTextChars (ltoken_or); | |
1272 | *str = xChar; | |
1273 | ||
1274 | str = ltoken_getTextChars (ltoken_implies); | |
1275 | *str = xChar; | |
1276 | ||
1277 | str = ltoken_getTextChars (ltoken_eq); | |
1278 | *str = xChar; | |
1279 | ||
1280 | str = ltoken_getTextChars (ltoken_neq); | |
1281 | *str = xChar; | |
1282 | ||
1283 | str = ltoken_getTextChars (ltoken_equals); | |
1284 | *str = xChar; | |
1285 | ||
1286 | str = ltoken_getTextChars (ltoken_eqsep); | |
1287 | *str = xChar; | |
1288 | ||
1289 | str = ltoken_getTextChars (ltoken_select); | |
1290 | *str = xChar; | |
1291 | ||
1292 | str = ltoken_getTextChars (ltoken_open); | |
1293 | *str = xChar; | |
1294 | ||
1295 | str = ltoken_getTextChars (ltoken_sep); | |
1296 | *str = xChar; | |
1297 | ||
1298 | str = ltoken_getTextChars (ltoken_close); | |
1299 | *str = xChar; | |
1300 | ||
1301 | str = ltoken_getTextChars (ltoken_id); | |
1302 | *str = xChar; | |
1303 | ||
1304 | str = ltoken_getTextChars (ltoken_arrow); | |
1305 | *str = xChar; | |
1306 | ||
1307 | str = ltoken_getTextChars (ltoken_marker); | |
1308 | *str = xChar; | |
1309 | ||
1310 | str = ltoken_getTextChars (ltoken_comment); | |
1311 | *str = xChar; | |
1312 | ||
1313 | } | |
1314 | ||
1315 | /* Different from ProcessCharClass because only allow one extension */ | |
1316 | /* character. Therefore, the present extension character must be set to a */ | |
1317 | /* singleChar. */ | |
1318 | ||
1319 | static void | |
1320 | ProcessExtensionChar (void) | |
1321 | { | |
1322 | ltoken stackToken = LSLGenTopPopShiftStack (); | |
1323 | char firstChar = cstring_firstChar (ltoken_unparse (stackToken)); | |
1324 | ||
1325 | if (!defineSingleChar[(int)firstChar] | |
1326 | && lscanCharClass (firstChar) == SINGLECHAR) | |
1327 | { | |
1328 | /* Is a single character that has not been defined before. */ | |
1329 | /* Can only have one extension char. Release old one. */ | |
1330 | lsetCharClass (firstChar, CHC_EXTENSION); | |
1331 | ||
1332 | /* this is a (bogus) type bug! caught by splint */ | |
1333 | /* lsetCharClass (currentExtensionChar, SINGLECHAR); */ | |
1334 | ||
1335 | lsetCharClass ((char) currentExtensionChar, SINGLECHAR); | |
1336 | ||
1337 | currentExtensionChar = (charCode) firstChar; | |
1338 | UpdateXCharKeywords (currentExtensionChar); | |
1339 | } | |
1340 | else | |
1341 | { | |
1342 | /* Already redefined. Don't allow to be redefined. */ | |
1343 | LocalUserError (stackToken, "character is already defined, cannot redefine"); | |
1344 | } | |
1345 | ltoken_free (stackToken); | |
1346 | } | |
1347 | ||
1348 | /* Different from ProcessSingleChar because allow any characters to be */ | |
1349 | /* endCommentChar and also set a different part of the scanner structure. */ | |
1350 | ||
1351 | static void | |
1352 | ProcessEndCommentChar (void) | |
1353 | { | |
1354 | ltoken stackToken = LSLGenTopPopShiftStack (); | |
1355 | char firstChar = cstring_firstChar (ltoken_unparse (stackToken)); | |
1356 | ||
1357 | if (LSLIsEndComment (firstChar)) | |
1358 | { | |
1359 | LocalUserError (stackToken, | |
1360 | "already defined as a endCommentChar, cannot redefine"); | |
1361 | } | |
1362 | else | |
1363 | { | |
1364 | lsetEndCommentChar (firstChar, TRUE); | |
1365 | } | |
1366 | ltoken_free (stackToken); | |
1367 | } | |
1368 | ||
1369 | static void | |
1370 | ProcessSingleChar (charCode code) | |
1371 | { | |
1372 | ltoken stackToken = LSLGenTopPopShiftStack (); | |
1373 | char firstChar = cstring_firstChar (ltoken_unparse (stackToken)); | |
1374 | ||
1375 | if (!defineSingleChar[(int)firstChar] | |
1376 | && lscanCharClass (firstChar) == SINGLECHAR) | |
1377 | { | |
1378 | /* Is a single character that has not been defined before. */ | |
1379 | /* It's OK to redefine once. */ | |
1380 | lsetCharClass (firstChar, code); | |
1381 | /* OK to mark as a defined singleChar even if not. Only check */ | |
1382 | /* defineSingleChar[] if defining a singleChar. */ | |
1383 | defineSingleChar[(int)firstChar] = TRUE; | |
1384 | } | |
1385 | else | |
1386 | { | |
1387 | LocalUserError (stackToken, "character is already defined, cannot redefine"); | |
1388 | } | |
1389 | ltoken_free (stackToken); | |
1390 | } | |
1391 | ||
1392 | static void | |
1393 | ProcessToken (ltokenCode code) | |
1394 | { | |
1395 | ltoken stackToken, temp; | |
1396 | lsymbol sym; | |
1397 | ||
1398 | stackToken = LSLGenTopPopShiftStack (); | |
1399 | sym = ltoken_getText (stackToken); | |
1400 | ||
1401 | if (LSLIsSyn (sym)) | |
1402 | { | |
1403 | LocalUserError (stackToken, | |
1404 | "already defined as a synonym, cannot redefine"); | |
1405 | } | |
1406 | ||
1407 | /* Get the token from the token table, so can check if the token */ | |
1408 | /* was updated by a previous token. */ | |
1409 | temp = LSLGetToken (sym); | |
1410 | ||
1411 | if (ltoken_isStateDefined (temp)) | |
1412 | { | |
1413 | if ((code == LST_OPENSYM && sym == lsymbol_fromChars ("[")) || | |
1414 | (code == LST_CLOSESYM && sym == lsymbol_fromChars ("]"))) | |
1415 | { | |
1416 | /* ignore "openSym [" and "closeSym ]" TokenClass */ | |
1417 | ltoken_free (stackToken); | |
1418 | return; | |
1419 | } | |
1420 | else | |
1421 | { | |
1422 | LocalUserError (stackToken, "already defined, cannot redefine"); | |
1423 | PrintToken (temp); | |
1424 | } | |
1425 | } | |
1426 | ||
1427 | LSLUpdateToken (code, ltoken_getText (stackToken), TRUE); | |
1428 | ltoken_free (stackToken); | |
1429 | } | |
1430 | ||
1431 | ||
1432 | static void | |
1433 | ProcessSynonym (void) | |
1434 | { | |
1435 | ltoken newtok; | |
1436 | ltoken oldtok; | |
1437 | ||
1438 | newtok = LSLGenTopPopShiftStack (); | |
1439 | oldtok = LSLGenTopPopShiftStack (); | |
1440 | ||
1441 | if (ltoken_wasSyn (newtok)) | |
1442 | { | |
1443 | /* The token has a synonym. This means that the synonym was in the */ | |
1444 | /* init file, so complain about redefining as a synonym again */ | |
1445 | LocalUserError (newtok, "newtok already is a synonym, cannot redefine"); | |
1446 | } | |
1447 | ||
1448 | if (ltoken_hasSyn (newtok)) | |
1449 | { | |
1450 | /* | |
1451 | ** newtok already has a synonym defined for it. Do not allow | |
1452 | ** synonyms to be chained. | |
1453 | */ | |
1454 | ||
1455 | LocalUserError (newtok, | |
1456 | "newtok already has a synonym, cannot chain synonyms"); | |
1457 | } | |
1458 | ||
1459 | if (ltoken_isStateDefined (newtok)) | |
1460 | { | |
1461 | LocalUserError (newtok, "newtok already defined, cannot redefine"); | |
1462 | } | |
1463 | ||
1464 | LSLAddSyn (ltoken_getText (newtok), ltoken_getText (oldtok)); | |
1465 | ltoken_free (oldtok); | |
1466 | ltoken_free (newtok); | |
1467 | } | |
1468 | ||
1469 | ||
1470 | /* | |
1471 | * Utilities, in alphabetical order | |
1472 | */ | |
1473 | ||
1474 | static void | |
1475 | LocalUserError (ltoken t, /*@temp@*/ char *msg) | |
1476 | { | |
1477 | lldiagmsg (message ("%s %s in the LSL init file:", | |
1478 | ltoken_unparse (t), cstring_fromChars (msg))); | |
1479 | ||
1480 | ltoken_free (nextToken); | |
1481 | nextToken = LSLScanNextToken (); | |
1482 | ||
1483 | while (ltoken_getCode (nextToken) != LST_EOL) | |
1484 | { | |
1485 | ltoken_free (nextToken); | |
1486 | nextToken = LSLScanNextToken (); | |
1487 | } | |
1488 | } | |
1489 | ||
1490 | /* | |
1491 | ** Required initialization and cleanup routines | |
1492 | */ | |
1493 | ||
1494 | static /*@exposed@*/ ltoken insertSimpleToken (char *text) | |
1495 | /*@modifies internalState@*/ | |
1496 | { | |
1497 | return (LSLInsertToken (LST_SIMPLEID, lsymbol_fromChars (text), 0, FALSE)); | |
1498 | } | |
1499 | ||
1500 | static void | |
1501 | lslinit_initProcessInitFile (void) | |
1502 | { | |
1503 | int i; | |
1504 | ||
1505 | LSLGenInit (TRUE); /* parsing LSLinit not LCLinit */ | |
1506 | ||
1507 | /* | |
1508 | ** Insert the init file keywords into the token table as undefined | |
1509 | ** SIMPLEIDs. They are defined as simpleIds since they must be treated | |
1510 | ** that way if they do not appear as the first token on a line, and | |
1511 | ** they must be treated that way for the actual LSL parsing. Save the | |
1512 | ** tokens so can recognize as init file keywords when necessary. | |
1513 | */ | |
1514 | ||
1515 | endCommentCharToken = insertSimpleToken ("endCommentChar"); | |
1516 | idCharToken = insertSimpleToken ("idChar"); | |
1517 | opCharToken = insertSimpleToken ("opChar"); | |
1518 | extensionCharToken = insertSimpleToken ("extensionChar"); | |
1519 | singleCharToken = insertSimpleToken ("singleChar"); | |
1520 | whiteCharToken = insertSimpleToken ("whiteChar"); | |
1521 | ||
1522 | quantifierSymToken = insertSimpleToken ("quantifierSym"); | |
1523 | logicalOpToken = insertSimpleToken ("logicalOp"); | |
1524 | eqOpToken = insertSimpleToken ("eqOp"); | |
1525 | equationSymToken = insertSimpleToken ("equationSym"); | |
1526 | eqSepSymToken = insertSimpleToken ("eqSepSym"); | |
1527 | selectSymToken = insertSimpleToken ("selectSym"); | |
1528 | openSymToken = insertSimpleToken ("openSym"); | |
1529 | sepSymToken = insertSimpleToken ("sepSym"); | |
1530 | closeSymToken = insertSimpleToken ("closeSym"); | |
1531 | simpleIdToken = insertSimpleToken ("simpleId"); | |
1532 | mapSymToken = insertSimpleToken ("mapSym"); | |
1533 | markerSymToken = insertSimpleToken ("markerSym"); | |
1534 | commentSymToken = insertSimpleToken ("commentSym"); | |
1535 | synonymToken = insertSimpleToken ("synonym"); | |
1536 | ||
1537 | for (i = 0; i <= LASTCHAR; i++) | |
1538 | { | |
1539 | defineSingleChar[i] = FALSE; | |
1540 | } | |
1541 | ||
1542 | /* | |
1543 | ** Record the current extension character so can redefine back to | |
1544 | ** singleChar if a new extension character is redefined. | |
1545 | */ | |
1546 | ||
1547 | currentExtensionChar = (charCode) CHAREXTENDER; | |
1548 | ||
1549 | LSLReportEolTokens (TRUE); | |
1550 | ltoken_free (nextToken); | |
1551 | nextToken = LSLScanNextToken (); | |
1552 | } | |
1553 | ||
1554 | void lslinit_process (void) | |
1555 | /*@globals undef g_symtab; @*/ | |
1556 | /*@modifies g_symtab, internalState, fileSystem; @*/ | |
1557 | { | |
1558 | /* | |
1559 | ** Open init file provided by user, or use the default LCL init file | |
1560 | */ | |
1561 | ||
1562 | cstring larchpath = context_getLarchPath (); | |
1563 | inputStream initstream = inputStream_undefined; | |
1564 | ||
1565 | setCodePoint (); | |
1566 | ||
1567 | if (inputStream_isUndefined (s_initFile)) | |
1568 | { | |
1569 | s_initFile = inputStream_create (cstring_makeLiteral (INITFILENAME), | |
1570 | cstring_makeLiteralTemp (LCLINIT_SUFFIX), | |
1571 | FALSE); | |
1572 | ||
1573 | if (!inputStream_getPath (larchpath, s_initFile)) | |
1574 | { | |
1575 | lldiagmsg (message ("Continuing without LCL init file: %s", | |
1576 | inputStream_fileName (s_initFile))); | |
1577 | } | |
1578 | else | |
1579 | { | |
1580 | if (!inputStream_open (s_initFile)) | |
1581 | { | |
1582 | lldiagmsg (message ("Continuing without LCL init file: %s", | |
1583 | inputStream_fileName (s_initFile))); | |
1584 | } | |
1585 | } | |
1586 | } | |
1587 | else | |
1588 | { | |
1589 | if (!inputStream_open (s_initFile)) | |
1590 | { | |
1591 | lldiagmsg (message ("Continuing without LCL init file: %s", | |
1592 | inputStream_fileName (s_initFile))); | |
1593 | } | |
1594 | } | |
1595 | ||
1596 | /* Initialize checker */ | |
1597 | ||
1598 | lsymbol_initMod (); | |
1599 | LCLSynTableInit (); | |
1600 | ||
1601 | setCodePoint (); | |
1602 | ||
1603 | LCLSynTableReset (); | |
1604 | LCLTokenTableInit (); | |
1605 | ||
1606 | setCodePoint (); | |
1607 | ||
1608 | LCLScanLineInit (); | |
1609 | setCodePoint (); | |
1610 | LCLScanLineReset (); | |
1611 | setCodePoint (); | |
1612 | LCLScanInit (); | |
1613 | ||
1614 | setCodePoint (); | |
1615 | ||
1616 | /* need this to initialize LCL checker */ | |
1617 | ||
1618 | llassert (inputStream_isDefined (s_initFile)); | |
1619 | if (inputStream_isOpen (s_initFile)) | |
1620 | { | |
1621 | setCodePoint (); | |
1622 | ||
1623 | LCLScanReset (s_initFile); | |
1624 | lclinit_initMod (); | |
1625 | lclinit_reset (); | |
1626 | ||
1627 | setCodePoint (); | |
1628 | lclinit_process (); | |
1629 | lclinit_cleanup (); | |
1630 | ||
1631 | setCodePoint (); | |
1632 | check (inputStream_close (s_initFile)); | |
1633 | } | |
1634 | ||
1635 | /* Initialize LSL init files, for parsing LSL signatures from LSL */ | |
1636 | ||
1637 | initstream = inputStream_create (cstring_makeLiteral ("lslinit.lsi"), | |
1638 | cstring_makeLiteralTemp (".lsi"), | |
1639 | FALSE); | |
1640 | ||
1641 | if (!inputStream_getPath (larchpath, initstream)) | |
1642 | { | |
1643 | lldiagmsg (message ("Continuing without LSL init file: %s", | |
1644 | inputStream_fileName (initstream))); | |
1645 | } | |
1646 | else | |
1647 | { | |
1648 | if (!inputStream_open (initstream)) | |
1649 | { | |
1650 | lldiagmsg (message ("Continuing without LSL init file: %s", | |
1651 | inputStream_fileName (initstream))); | |
1652 | } | |
1653 | } | |
1654 | ||
1655 | setCodePoint (); | |
1656 | lsynTableInit (); | |
1657 | lsynTableReset (); | |
1658 | ||
1659 | setCodePoint (); | |
1660 | ltokenTableInit (); | |
1661 | ||
1662 | setCodePoint (); | |
1663 | lscanLineInit (); | |
1664 | lscanLineReset (); | |
1665 | LSLScanInit (); | |
1666 | ||
1667 | if (inputStream_isOpen (initstream)) | |
1668 | { | |
1669 | setCodePoint (); | |
1670 | LSLScanReset (initstream); | |
1671 | lslinit_initProcessInitFile (); | |
1672 | lslinit_processInitFile (); | |
1673 | check (inputStream_close (initstream)); | |
1674 | } | |
1675 | ||
1676 | inputStream_free (initstream); | |
1677 | ||
1678 | if (lclHadError ()) | |
1679 | { | |
1680 | lclplainerror | |
1681 | (cstring_makeLiteral ("LSL init file error. Attempting to continue.")); | |
1682 | } | |
1683 | ||
1684 | setCodePoint (); | |
1685 | g_symtab = symtable_new (); | |
1686 | ||
1687 | /* | |
1688 | ** sort_init must come after symtab has been initialized | |
1689 | */ | |
1690 | sort_init (); | |
1691 | abstract_init (); | |
1692 | setCodePoint (); | |
1693 | ||
1694 | /* | |
1695 | ** Equivalent to importing old spec_csupport.lcl | |
1696 | ** define immutable LCL type "bool" and bool constants TRUE and FALSE | |
1697 | ** and initialized them to be equal to LSL's "true" and "false". | |
1698 | ** | |
1699 | ** Reads in CTrait.syms (derived from CTrait.lsl) on LARCH_PATH. | |
1700 | */ | |
1701 | ||
1702 | LCLBuiltins (); | |
1703 | LCLReportEolTokens (FALSE); | |
1704 | } |