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16c024b5 | 1 | /* |
2 | ** Splint - annotation-assisted static program checker | |
c59f5181 | 3 | ** Copyright (C) 1994-2003 University of Virginia, |
16c024b5 | 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 | ** cscannerHelp.c - procedures for scanning C | |
26 | ** | |
27 | ** Most of this code was in cscanner.l, but moved here to separate it | |
28 | ** from the flex-generated code. | |
29 | */ | |
30 | ||
31 | # include "splintMacros.nf" | |
32 | # include "basic.h" | |
33 | # include "cscannerHelp.h" | |
34 | # include "cscanner.h" | |
35 | # include "cgrammar_tokens.h" | |
36 | ||
37 | static int lminput (void); | |
38 | static int s_tokLength = 0; | |
39 | ||
40 | static /*@owned@*/ cstring s_lastidprocessed = cstring_undefined; | |
41 | static bool s_inSpecPart = FALSE; | |
42 | static int s_whichSpecPart; | |
43 | static char s_savechar = '\0'; | |
44 | static bool s_expectingMetaStateName = FALSE; | |
45 | static bool s_lastWasString = FALSE; | |
46 | static bool s_expectingTypeName = TRUE; | |
47 | ||
48 | struct skeyword | |
49 | { | |
50 | /*@null@*/ /*@observer@*/ char *name; | |
51 | int token; | |
52 | } ; | |
53 | ||
54 | /* | |
55 | ** These tokens are followed by syntax that is parsed by the | |
56 | ** grammar proper. | |
57 | */ | |
58 | ||
59 | static struct skeyword s_parsetable[] = { | |
60 | { "modifies", QMODIFIES } , | |
61 | { "globals", QGLOBALS } , | |
62 | { "alt", QALT } , | |
63 | { "warn", QWARN } , | |
64 | { "constant", QCONSTANT } , | |
65 | { "function", QFUNCTION } , | |
66 | { "iter", QITER } , | |
67 | { "defines", QDEFINES } , | |
68 | { "uses", QUSES } , | |
69 | { "allocates", QALLOCATES } , | |
70 | { "sets", QSETS } , | |
71 | { "releases", QRELEASES } , | |
72 | { "pre", QPRECLAUSE } , | |
73 | { "post", QPOSTCLAUSE } , | |
74 | { "setBufferSize", QSETBUFFERSIZE}, | |
75 | { "setStringLength", QSETSTRINGLENGTH}, | |
76 | { "testinRange", QTESTINRANGE}, | |
77 | { "requires", QPRECLAUSE } , | |
78 | { "ensures", QPOSTCLAUSE } , | |
79 | { "invariant", QINVARIANT} , | |
80 | { NULL, BADTOK } | |
81 | } ; | |
82 | ||
83 | /* | |
84 | ** These tokens are either stand-alone tokens, or followed by | |
85 | ** token-specific text. | |
86 | */ | |
87 | ||
88 | static struct skeyword s_keytable[] = { | |
89 | { "anytype", QANYTYPE } , | |
90 | { "integraltype", QINTEGRALTYPE } , | |
91 | { "unsignedintegraltype", QUNSIGNEDINTEGRALTYPE } , | |
92 | { "signedintegraltype", QSIGNEDINTEGRALTYPE } , | |
93 | { "out", QOUT } , | |
94 | { "in", QIN } , | |
95 | { "only", QONLY } , | |
96 | { "owned", QOWNED } , | |
97 | { "dependent", QDEPENDENT } , | |
98 | { "partial", QPARTIAL } , | |
99 | { "special", QSPECIAL } , | |
100 | { "truenull", QTRUENULL } , | |
101 | { "falsenull", QFALSENULL } , | |
102 | { "nullwhentrue", QTRUENULL } , | |
103 | { "falsewhennull", QFALSENULL } , | |
104 | { "keep", QKEEP } , | |
105 | { "kept", QKEPT } , | |
106 | { "notnull", QNOTNULL } , | |
107 | { "abstract", QABSTRACT } , | |
108 | { "numabstract", QNUMABSTRACT } , | |
109 | { "concrete", QCONCRETE } , | |
110 | { "mutable", QMUTABLE } , | |
111 | { "immutable", QIMMUTABLE } , | |
112 | { "unused", QUNUSED } , | |
113 | { "external", QEXTERNAL } , | |
114 | { "sef", QSEF } , | |
115 | { "unique", QUNIQUE } , | |
116 | { "returned", QRETURNED } , | |
117 | { "exposed", QEXPOSED } , | |
118 | { "refcounted", QREFCOUNTED } , | |
119 | { "refs", QREFS } , | |
120 | { "newref", QNEWREF } , | |
121 | { "tempref", QTEMPREF } , | |
122 | { "killref", QKILLREF } , | |
123 | { "null", QNULL } , | |
124 | { "relnull", QRELNULL } , | |
125 | { "nullterminated", QNULLTERMINATED }, | |
126 | { "setBufferSize", QSETBUFFERSIZE }, | |
127 | { "testInRange", QTESTINRANGE}, | |
128 | { "isnull", QISNULL }, | |
129 | { "MaxSet", QMAXSET}, | |
130 | { "MaxRead", QMAXREAD}, | |
131 | { "maxSet", QMAXSET}, | |
132 | { "maxRead", QMAXREAD}, | |
133 | { "reldef", QRELDEF } , | |
134 | { "observer", QOBSERVER } , | |
135 | { "exits", QEXITS } , | |
136 | { "noreturn", QEXITS } , | |
137 | { "mayexit", QMAYEXIT } , | |
138 | { "maynotreturn", QMAYEXIT } , | |
139 | { "trueexit", QTRUEEXIT } , | |
140 | { "falseexit", QFALSEEXIT } , | |
141 | { "noreturnwhentrue", QTRUEEXIT } , | |
142 | { "noreturnwhenfalse", QFALSEEXIT } , | |
143 | { "neverexit", QNEVEREXIT } , | |
144 | { "alwaysreturns", QNEVEREXIT } , | |
145 | { "temp", QTEMP } , | |
146 | { "shared", QSHARED } , | |
147 | { "ref", QREF } , | |
148 | { "unchecked", QUNCHECKED } , | |
149 | { "checked", QCHECKED } , | |
150 | { "checkmod", QCHECKMOD } , | |
151 | { "checkedstrict", QCHECKEDSTRICT } , | |
152 | { "innercontinue", QINNERCONTINUE } , | |
153 | { "innerbreak", QINNERBREAK } , | |
154 | { "loopbreak", QLOOPBREAK } , | |
155 | { "switchbreak", QSWITCHBREAK } , | |
156 | { "safebreak", QSAFEBREAK } , | |
157 | { "fallthrough", QFALLTHROUGH } , | |
158 | { "l_fallthrou", QLINTFALLTHROUGH } , | |
159 | { "l_fallth", QLINTFALLTHRU } , | |
160 | { "notreached", QNOTREACHED } , | |
161 | { "l_notreach", QLINTNOTREACHED } , | |
162 | { "printflike", QPRINTFLIKE } , | |
163 | { "l_printfli", QLINTPRINTFLIKE } , | |
164 | { "scanflike", QSCANFLIKE } , | |
165 | { "messagelike", QMESSAGELIKE } , | |
166 | { "l_argsus", QARGSUSED } , | |
167 | { NULL, BADTOK } | |
168 | } ; | |
169 | ||
170 | /* | |
171 | ** would be better if these weren't hard coded... | |
172 | */ | |
173 | ||
174 | static bool isArtificial (cstring s) | |
175 | { | |
176 | return (cstring_equalLit (s, "modifies") | |
177 | || cstring_equalLit (s, "globals") | |
178 | || cstring_equalLit (s, "warn") | |
179 | || cstring_equalLit (s, "alt")); | |
180 | } | |
181 | ||
182 | void cscannerHelp_swallowMacro (void) | |
183 | { | |
184 | int i; | |
185 | bool skipnext = FALSE; | |
186 | ||
187 | while ((i = lminput ()) != EOF) | |
188 | { | |
189 | char c = (char) i; | |
190 | ||
191 | if (c == '\\') | |
192 | { | |
193 | skipnext = TRUE; | |
194 | } | |
195 | else if (c == '\n') | |
196 | { | |
197 | if (skipnext) | |
198 | { | |
199 | skipnext = FALSE; | |
200 | } | |
201 | else | |
202 | { | |
203 | reader_checkUngetc (i, yyin); | |
204 | return; | |
205 | } | |
206 | } | |
207 | else | |
208 | { | |
209 | ; | |
210 | } | |
211 | } | |
212 | ||
213 | if (i != EOF) | |
214 | { | |
215 | reader_checkUngetc (i, yyin); | |
216 | } | |
217 | } | |
218 | ||
219 | static int commentMarkerToken (cstring s) | |
220 | { | |
221 | int i = 0; | |
222 | ||
223 | while (s_parsetable[i].name != NULL) | |
224 | { | |
225 | DPRINTF (("Try :%s:%s:", s, s_parsetable[i].name)); | |
226 | ||
227 | if (cstring_equalLit (s, s_parsetable[i].name)) | |
228 | { | |
229 | return s_parsetable[i].token; | |
230 | } | |
231 | ||
232 | i++; | |
233 | } | |
234 | ||
235 | return BADTOK; | |
236 | } | |
237 | ||
238 | static int tokenMacroCode (cstring s) | |
239 | { | |
240 | int i = 0; | |
241 | ||
242 | while (s_keytable[i].name != NULL) | |
243 | { | |
244 | if (cstring_equalLit (s, s_keytable[i].name)) | |
245 | { | |
246 | if (s_keytable[i].token == QLINTFALLTHROUGH) | |
247 | { | |
248 | voptgenerror | |
249 | (FLG_WARNLINTCOMMENTS, | |
250 | cstring_makeLiteral | |
251 | ("Traditional lint comment /*FALLTHROUGH*/ used. " | |
252 | "Splint interprets this in the same way as most Unix lints, but it is " | |
253 | "preferable to replace it with the /*@fallthrough@*/ " | |
254 | "semantic comment"), | |
255 | g_currentloc); | |
256 | return QFALLTHROUGH; | |
257 | } | |
258 | else if (s_keytable[i].token == QLINTFALLTHRU) | |
259 | { | |
260 | voptgenerror | |
261 | (FLG_WARNLINTCOMMENTS, | |
262 | cstring_makeLiteral | |
263 | ("Traditional lint comment /*FALLTHRU*/ used. " | |
264 | "Splint interprets this in the same way as most Unix lints, but it is " | |
265 | "preferable to replace it with the /*@fallthrough@*/ " | |
266 | "semantic comment"), | |
267 | g_currentloc); | |
268 | return QFALLTHROUGH; | |
269 | } | |
270 | else if (s_keytable[i].token == QLINTNOTREACHED) | |
271 | { | |
272 | voptgenerror | |
273 | (FLG_WARNLINTCOMMENTS, | |
274 | cstring_makeLiteral | |
275 | ("Traditional lint comment /*NOTREACHED*/ used. " | |
276 | "Splint interprets this in the same way as most Unix lints, but it is " | |
277 | "preferable to replace it with the /*@notreached@*/ " | |
278 | "semantic comment."), | |
279 | g_currentloc); | |
280 | ||
281 | return QNOTREACHED; | |
282 | } | |
283 | else if (s_keytable[i].token == QPRINTFLIKE) | |
284 | { | |
285 | setSpecialFunction (qual_createPrintfLike ()); | |
286 | return SKIPTOK; | |
287 | } | |
288 | else if (s_keytable[i].token == QLINTPRINTFLIKE) | |
289 | { | |
290 | voptgenerror | |
291 | (FLG_WARNLINTCOMMENTS, | |
292 | cstring_makeLiteral | |
293 | ("Traditional lint comment /*PRINTFLIKE*/ used. " | |
294 | "Splint interprets this in the same way as most Unix lints, but it is " | |
295 | "preferable to replace it with either /*@printflike@*/, " | |
296 | "/*@scanflike@*/ or /*@messagelike@*/."), | |
297 | g_currentloc); | |
298 | ||
299 | setSpecialFunction (qual_createPrintfLike ()); | |
300 | return SKIPTOK; | |
301 | } | |
302 | else if (s_keytable[i].token == QSCANFLIKE) | |
303 | { | |
304 | setSpecialFunction (qual_createScanfLike ()); | |
305 | return SKIPTOK; | |
306 | } | |
307 | else if (s_keytable[i].token == QMESSAGELIKE) | |
308 | { | |
309 | setSpecialFunction (qual_createMessageLike ()); | |
310 | return SKIPTOK; | |
311 | } | |
312 | else if (s_keytable[i].token == QARGSUSED) | |
313 | { | |
314 | voptgenerror | |
315 | (FLG_WARNLINTCOMMENTS, | |
316 | cstring_makeLiteral | |
317 | ("Traditional lint comment /*ARGSUSED*/ used. " | |
318 | "Splint interprets this in the same way as most Unix lints, but it is " | |
319 | "preferable to use /*@unused@*/ annotations on " | |
320 | "the unused parameters."), | |
321 | g_currentloc); | |
322 | ||
323 | setArgsUsed (); | |
324 | return SKIPTOK; | |
325 | } | |
326 | else | |
327 | { | |
328 | return s_keytable[i].token; | |
329 | } | |
330 | } | |
331 | ||
332 | i++; | |
333 | } | |
334 | ||
335 | return BADTOK; | |
336 | } | |
337 | ||
338 | static int lminput () | |
339 | { | |
340 | if (s_savechar == '\0') | |
341 | { | |
342 | incColumn (); | |
343 | return (cscanner_input ()); | |
344 | } | |
345 | else | |
346 | { | |
347 | int save = (int) s_savechar; | |
348 | s_savechar = '\0'; | |
349 | return save; | |
350 | } | |
351 | } | |
352 | ||
353 | static void lmsavechar (char c) | |
354 | { | |
355 | if (s_savechar == '\0') | |
356 | { | |
357 | s_savechar = c; | |
358 | } | |
359 | else | |
360 | { | |
361 | llbuglit ("lmsavechar: override"); | |
362 | } | |
363 | } | |
364 | ||
365 | int cscannerHelp_ninput () | |
366 | { | |
367 | int c = lminput (); | |
368 | ||
369 | if (c != EOF && ((char)c == '\n')) | |
370 | { | |
371 | context_incLineno (); | |
372 | } | |
373 | ||
374 | return c; | |
375 | } | |
376 | ||
377 | static char macro_nextChar (void) | |
378 | { | |
379 | static bool in_quote = FALSE, in_escape = FALSE, in_char = FALSE; | |
380 | int ic; | |
381 | char c; | |
382 | ||
383 | ic = lminput (); | |
384 | c = char_fromInt (ic); | |
385 | ||
386 | if (!in_quote && !in_char && (c == '\\' || c == BEFORE_COMMENT_MARKER[0])) | |
387 | { | |
388 | if (c == '\\') | |
389 | { | |
390 | while ((c = char_fromInt (lminput ())) != '\0' && c != '\n') | |
391 | { | |
392 | ; /* skip to newline */ | |
393 | } | |
394 | ||
395 | context_incLineno (); | |
396 | ||
397 | if (c != '\0') | |
398 | { | |
399 | return macro_nextChar (); | |
400 | } | |
401 | else | |
402 | { | |
403 | return c; | |
404 | } | |
405 | } | |
406 | else /* if (c == '@') */ | |
407 | { | |
b73d1009 | 408 | llassert (FALSE); |
409 | ||
16c024b5 | 410 | if (cscannerHelp_handleLlSpecial () != BADTOK) |
411 | { | |
412 | llerrorlit (FLG_SYNTAX, "Macro cannot use special syntax"); | |
413 | } | |
414 | ||
415 | return macro_nextChar (); | |
416 | } | |
417 | } | |
418 | else if (!in_escape && c == '\"') | |
419 | { | |
420 | in_quote = !in_quote; | |
421 | } | |
422 | else if (!in_escape && c == '\'') | |
423 | { | |
424 | in_char = !in_char; | |
425 | } | |
426 | else if ((in_quote || in_char) && c == '\\') | |
427 | { | |
428 | in_escape = !in_escape; | |
429 | } | |
430 | else if ((in_quote || in_char) && in_escape) | |
431 | { | |
432 | in_escape = FALSE; | |
433 | } | |
434 | else if (!in_quote && c == '/') | |
435 | { | |
436 | char c2; | |
437 | ||
438 | if ((c2 = char_fromInt (lminput ())) == '*') | |
439 | { | |
440 | while (c2 != '\0') | |
441 | { | |
442 | while ((c2 = char_fromInt (lminput ())) != '\0' | |
443 | && c2 != '\n' && c2 != '*') | |
444 | { | |
445 | ; | |
446 | } | |
447 | ||
448 | if (c2 == '*') | |
449 | { | |
450 | while ((c2 = char_fromInt (lminput ())) != '\0' | |
451 | && c2 == '*') | |
452 | { | |
453 | ; | |
454 | } | |
455 | ||
456 | if (c2 == '/') | |
457 | { | |
458 | goto outofcomment; | |
459 | } | |
460 | } | |
461 | else | |
462 | { | |
463 | llfatalerror (cstring_makeLiteral ("Macro: bad comment!")); | |
464 | } | |
465 | } | |
466 | outofcomment: | |
467 | return macro_nextChar (); | |
468 | } | |
469 | else | |
470 | { | |
471 | /*** putchar does not work! why? puts to stdio...??! ***/ | |
472 | lmsavechar (c2); | |
473 | } | |
474 | } | |
475 | else | |
476 | { | |
477 | ; | |
478 | } | |
479 | ||
480 | return c; | |
481 | } | |
482 | ||
483 | /* | |
484 | ** keeps semantic comments | |
485 | */ | |
486 | ||
487 | static char macro_nextCharC (void) | |
488 | { | |
489 | static bool in_quote = FALSE, in_escape = FALSE, in_char = FALSE; | |
490 | char c; | |
491 | ||
492 | c = char_fromInt (lminput ()); | |
493 | ||
494 | if (!in_quote && !in_char && c == '\\') | |
495 | { | |
496 | while ((c = char_fromInt (lminput ())) != '\0' && c != '\n') | |
497 | { | |
498 | ; /* skip to newline */ | |
499 | } | |
500 | ||
501 | context_incLineno (); | |
502 | ||
503 | if (c != '\0') | |
504 | { | |
505 | return macro_nextCharC (); | |
506 | } | |
507 | else | |
508 | { | |
509 | return c; | |
510 | } | |
511 | } | |
512 | else if (!in_escape && c == '\"') | |
513 | { | |
514 | in_quote = !in_quote; | |
515 | } | |
516 | else if (!in_escape && c == '\'') | |
517 | { | |
518 | in_char = !in_char; | |
519 | } | |
520 | else if ((in_quote || in_char) && c == '\\') | |
521 | { | |
522 | in_escape = !in_escape; | |
523 | } | |
524 | else if ((in_quote || in_char) && in_escape) | |
525 | { | |
526 | in_escape = FALSE; | |
527 | } | |
528 | else if (!in_quote && c == '/') | |
529 | { | |
530 | char c2; | |
531 | ||
532 | if ((c2 = char_fromInt (lminput ())) == '*') | |
533 | { | |
534 | while (c2 != '\0') | |
535 | { | |
536 | while ((c2 = char_fromInt (lminput ())) != '\0' | |
537 | && c2 != '\n' && c2 != '*') | |
538 | { | |
539 | ; | |
540 | } | |
541 | ||
542 | if (c2 == '*') | |
543 | { | |
544 | while ((c2 = char_fromInt (lminput ())) != '\0' | |
545 | && c2 == '*') | |
546 | { | |
547 | ; | |
548 | } | |
549 | ||
550 | if (c2 == '/') | |
551 | { | |
552 | goto outofcomment; | |
553 | } | |
554 | } | |
555 | else | |
556 | { | |
557 | llfatalerror (cstring_makeLiteral ("Macro: bad comment!")); | |
558 | } | |
559 | } | |
560 | outofcomment: | |
561 | return macro_nextCharC (); | |
562 | } | |
563 | else | |
564 | { | |
565 | lmsavechar (c2); | |
566 | } | |
567 | } | |
568 | else /* normal character */ | |
569 | { | |
570 | ; | |
571 | } | |
572 | ||
573 | return c; | |
574 | } | |
575 | ||
576 | /* | |
577 | ** skips whitespace (handles line continuations) | |
578 | ** returns first non-whitespace character | |
579 | */ | |
580 | ||
581 | static char skip_whitespace (void) | |
582 | { | |
583 | char c; | |
584 | ||
585 | while ((c = macro_nextChar ()) == ' ' || c == '\t') | |
586 | { | |
587 | ; | |
588 | } | |
589 | ||
590 | return c; | |
591 | } | |
592 | ||
593 | void cscannerHelp_handleMacro () | |
594 | { | |
595 | cstring mac = cstring_undefined; | |
596 | int macrocode; | |
597 | char c; | |
598 | ||
599 | while (currentColumn () > 2) | |
600 | { | |
601 | mac = cstring_appendChar (mac, ' '); | |
602 | cscannerHelp_setTokLength (-1); | |
603 | } | |
604 | ||
605 | c = macro_nextCharC (); | |
606 | ||
607 | if (c >= '0' && c <= '9') | |
608 | { | |
609 | int i; | |
610 | ||
611 | for (i = 0; i < (((int) (c - '0')) + 1); i++) | |
612 | { | |
613 | mac = cstring_appendChar (mac, ' '); | |
614 | } | |
615 | } | |
616 | else | |
617 | { | |
618 | BADBRANCH; | |
619 | } | |
620 | ||
621 | while (((c = macro_nextCharC ()) != '\0') && (c != '\n')) | |
622 | { | |
623 | mac = cstring_appendChar (mac, c); | |
624 | } | |
625 | ||
626 | ||
627 | macrocode = tokenMacroCode (mac); | |
628 | ||
629 | if (macrocode == BADTOK && !isArtificial (mac)) | |
630 | { | |
631 | context_addMacroCache (mac); | |
632 | } | |
633 | else | |
634 | { | |
635 | cstring_free (mac); | |
636 | } | |
637 | ||
638 | if (c == '\n') | |
639 | { | |
640 | context_incLineno (); | |
641 | } | |
642 | } | |
643 | ||
644 | bool cscannerHelp_handleSpecial (char *yyt) | |
645 | { | |
646 | char *l; /* !! = mstring_create (MAX_NAME_LENGTH); */ | |
647 | int lineno = 0; | |
648 | char c; | |
649 | char *ol; | |
650 | cstring olc; | |
651 | size_t len_yyt; | |
652 | ||
653 | len_yyt = strlen (yyt +1) ; | |
654 | ||
655 | l = mstring_copy (yyt + 1); | |
656 | ||
657 | while ((c = char_fromInt (lminput ())) != '\n' && c != '\0') | |
658 | { | |
659 | l = mstring_append(l, c); | |
660 | } | |
661 | ||
662 | /* Need to safe original l for deallocating. */ | |
663 | ol = l; | |
664 | ||
665 | l += strlen (l); | |
666 | ||
667 | olc = cstring_fromChars (ol); | |
668 | ||
669 | if (cstring_equalPrefixLit (olc, "pragma")) | |
670 | { | |
671 | char *pname = mstring_create (size_fromInt (MAX_PRAGMA_LEN)); | |
672 | char *opname = pname; | |
673 | char *ptr = ol + 6; /* pragma is six characters, plus space */ | |
674 | int len = 0; | |
675 | ||
676 | ||
677 | /* skip whitespace */ | |
678 | while (((c = *ptr) != '\0') && isspace (c)) | |
679 | { | |
680 | ptr++; | |
681 | } | |
682 | ||
683 | ||
684 | while (((c = *ptr) != '\0') && !isspace (c)) | |
685 | { | |
686 | len++; | |
687 | ||
688 | if (len > MAX_PRAGMA_LEN) | |
689 | { | |
690 | break; | |
691 | } | |
692 | ||
693 | ptr++; | |
694 | *pname++ = c; | |
695 | } | |
696 | ||
697 | *pname = '\0'; | |
698 | ||
699 | if (len == PRAGMA_LEN_EXPAND | |
700 | && mstring_equal (opname, PRAGMA_EXPAND)) | |
701 | { | |
702 | cstring exname = cstring_undefined; | |
703 | uentry ue; | |
704 | ||
705 | ptr++; | |
706 | while (((c = *ptr) != '\0') && !isspace (c)) | |
707 | { | |
708 | exname = cstring_appendChar (exname, c); | |
709 | ptr++; | |
710 | } | |
711 | ||
712 | ||
713 | ue = usymtab_lookupExposeGlob (exname); | |
714 | ||
715 | if (uentry_isExpandedMacro (ue)) | |
716 | { | |
717 | if (fileloc_isPreproc (uentry_whereDefined (ue))) | |
718 | { | |
719 | fileloc_setColumn (g_currentloc, 1); | |
720 | uentry_setDefined (ue, g_currentloc); | |
721 | } | |
722 | } | |
723 | ||
724 | cstring_free (exname); | |
725 | } | |
726 | } | |
727 | else if (cstring_equalPrefixLit (olc, "ident")) | |
728 | { | |
729 | /* Some pre-processors will leave these in the code. Ignore rest of line */ | |
730 | } | |
731 | /* | |
732 | ** Yuk...Win32 filenames can have spaces in them...we need to read | |
733 | ** to the matching end quote. | |
734 | */ | |
735 | else if ((sscanf (ol, "line %d \"", &lineno) == 1) | |
736 | || (sscanf (ol, " %d \"", &lineno) == 1)) | |
737 | { | |
738 | char *tmp = ol; | |
739 | cstring fname; | |
740 | fileId fid; | |
741 | ||
742 | /*@access cstring@*/ | |
743 | while (*tmp != '\"' && *tmp != '\0') | |
744 | { | |
745 | tmp++; | |
746 | } | |
747 | ||
748 | llassert (*tmp == '\"'); | |
749 | ||
750 | tmp++; | |
751 | ||
752 | fname = tmp; | |
753 | ||
754 | while (*tmp != '\"' && *tmp != '\0') | |
755 | { | |
756 | tmp++; | |
757 | } | |
758 | ||
759 | llassert (*tmp == '\"'); | |
760 | ||
761 | *tmp = '\0'; | |
762 | ||
763 | # if defined(OS2) || defined(MSDOS) || defined(WIN32) | |
764 | ||
765 | /* | |
766 | ** DOS-like path delimiters get delivered in pairs, something like | |
767 | ** \"..\\\\file.h\", so we have to make it normal again. We do NOT | |
768 | ** remove the pre dirs yet as we usually specify tmp paths relative | |
769 | ** to the current directory, so tmp files would not get found in | |
770 | ** the hash table. If this method fails we try it again later. | |
771 | */ | |
772 | ||
773 | { | |
774 | char *stmp = fname; | |
775 | ||
776 | /* | |
777 | ** Skip past the drive marker. | |
778 | */ | |
779 | ||
780 | if (strchr (stmp, ':') != NULL) | |
781 | { | |
782 | stmp = strchr (stmp, ':') + 1; | |
783 | } | |
784 | ||
785 | while ((stmp = strchr (stmp, CONNECTCHAR)) != NULL ) | |
786 | { | |
787 | if (*(stmp+1) == CONNECTCHAR) | |
788 | { | |
789 | memmove (stmp, stmp+1, strlen (stmp)); | |
790 | } | |
791 | ||
792 | stmp++; | |
793 | } | |
794 | ||
795 | fid = fileTable_lookupBase (context_fileTable (), fname); | |
796 | if (!(fileId_isValid (fid))) | |
797 | { | |
798 | fname = removePreDirs (fname); | |
799 | fid = fileTable_lookupBase (context_fileTable (), fname); | |
800 | } | |
801 | } | |
802 | # else /* !defined(OS2) && !defined(MSDOS) */ | |
803 | fname = removePreDirs (fname); | |
804 | fid = fileTable_lookupBase (context_fileTable (), fname); | |
805 | # endif /* !defined(OS2) && !defined(MSDOS) */ | |
806 | ||
807 | if (!(fileId_isValid (fid))) | |
808 | { | |
809 | if (context_inXHFile ()) | |
810 | { | |
811 | fid = fileTable_addXHFile (context_fileTable (), fname); | |
812 | } | |
813 | else if (isHeaderFile (fname)) | |
814 | { | |
815 | fid = fileTable_addHeaderFile (context_fileTable (), fname); | |
816 | } | |
817 | else | |
818 | { | |
819 | fid = fileTable_addFile (context_fileTable (), fname); | |
820 | } | |
821 | } | |
822 | ||
823 | setFileLine (fid, lineno); | |
824 | /*@noaccess cstring@*/ | |
825 | } | |
826 | else if ((sscanf (ol, "line %d", &lineno) == 1) | |
827 | || (sscanf (ol, " %d", &lineno) == 1)) | |
828 | { | |
829 | setLine (lineno); /* next line is <cr> */ | |
830 | } | |
831 | else | |
832 | { | |
833 | if (mstring_equal (ol, "")) { | |
834 | DPRINTF (("Empty pp command!")); | |
835 | /* | |
836 | ** evs 2000-05-16: This is a horrible kludge, to get around a bug (well, difficulty) in the pre-processor. | |
837 | ** We handle a plain # in the input file, by echoing it, and ignoring it in the post-pp-file. | |
838 | */ | |
839 | mstring_free (ol); | |
840 | return FALSE; | |
841 | } else { | |
842 | voptgenerror | |
843 | (FLG_UNRECOGDIRECTIVE, | |
844 | message ("Unrecognized pre-processor directive: #%s", | |
845 | cstring_fromChars (ol)), | |
846 | g_currentloc); | |
847 | } | |
848 | ||
849 | sfree (ol); | |
850 | return FALSE; /* evans 2001-12-30: was: TRUE; */ | |
851 | } | |
852 | ||
853 | sfree (ol); | |
854 | return FALSE; | |
855 | } | |
856 | ||
857 | int cscannerHelp_handleLlSpecial (void) | |
858 | { | |
859 | bool hasnl = FALSE; | |
860 | int ic; | |
861 | char c; | |
862 | char *s = mstring_createEmpty (); | |
863 | char *os; | |
864 | int tok; | |
865 | int charsread = 0; | |
866 | fileloc loc; | |
867 | ||
868 | loc = fileloc_copy (g_currentloc); | |
869 | DPRINTF (("Handle special: %s", fileloc_unparse (loc))); | |
870 | ||
871 | while (((ic = cscannerHelp_ninput ()) != 0) && isalpha (ic)) | |
872 | { | |
873 | c = (char) ic; | |
874 | s = mstring_append (s, c); | |
875 | charsread++; | |
876 | } | |
877 | ||
878 | DPRINTF (("Read: %s / %s", s, fileloc_unparse (g_currentloc))); | |
879 | os = s; | |
880 | ||
881 | if (charsread == 0 && ic == (int) AFTER_COMMENT_MARKER[0]) | |
882 | { | |
883 | ic = cscannerHelp_ninput (); | |
884 | ||
885 | llassert (ic == (int) AFTER_COMMENT_MARKER[1]); | |
886 | ||
887 | if (*s == '\0') | |
888 | { | |
889 | sfree (os); | |
890 | fileloc_free (loc); | |
891 | return QNOMODS; /* special token no modifications token */ | |
892 | } | |
893 | } | |
894 | ||
895 | DPRINTF (("Coment marker: %s", os)); | |
896 | tok = commentMarkerToken (cstring_fromChars (os)); | |
897 | ||
898 | if (tok != BADTOK) | |
899 | { | |
900 | s_tokLength = charsread; | |
901 | sfree (os); | |
902 | s_inSpecPart = TRUE; | |
903 | s_whichSpecPart = tok; | |
904 | fileloc_free (loc); | |
905 | return tok; | |
906 | } | |
907 | ||
908 | DPRINTF (("Not a comment marker...")); | |
909 | /* Add rest of the comment */ | |
910 | ||
911 | if (ic != 0 && ic != EOF) | |
912 | { | |
913 | c = (char) ic; | |
914 | ||
915 | s = mstring_append (s, c); | |
916 | charsread++; | |
917 | ||
918 | while (((ic = cscannerHelp_ninput ()) != 0) && (ic != EOF) | |
919 | && (ic != (int) AFTER_COMMENT_MARKER[0])) | |
920 | { | |
921 | c = (char) ic; | |
922 | ||
923 | /* evans 2001-09-01 added to prevent assertion failures for uncloses syntactic comments */ | |
924 | ||
925 | if (c == '\n') { | |
926 | hasnl = TRUE; /* This prevents tokLength from being set later. */ | |
927 | s_tokLength = 0; | |
928 | ||
929 | voptgenerror | |
930 | (FLG_SYNTAX, | |
931 | message ("Likely parse error: syntactic comment token spans multiple lines: %s", | |
932 | cstring_fromChars (s)), | |
933 | loc); | |
934 | } | |
935 | ||
936 | s = mstring_append (s, c); | |
937 | charsread++; | |
938 | } | |
b73d1009 | 939 | /*@-branchstate@*/ |
940 | } /* spurious (?) warnings about s */ | |
941 | /*@=branchstate@*/ | |
16c024b5 | 942 | |
943 | DPRINTF (("Read: %s / %s", s, fileloc_unparse (g_currentloc))); | |
944 | ||
945 | if (ic == (int) AFTER_COMMENT_MARKER[0]) | |
946 | { | |
947 | int nc = cscannerHelp_ninput (); | |
948 | llassert ((char) nc == AFTER_COMMENT_MARKER[1]); | |
949 | charsread++; | |
950 | } | |
951 | ||
952 | os = s; | |
953 | ||
954 | while (*s == ' ' || *s == '\t' || *s == '\n') | |
955 | { | |
956 | s++; | |
957 | } | |
958 | ||
959 | if (*s == '-' || *s == '+' || *s == '=') /* setting flags */ | |
960 | { | |
961 | c = *s; | |
962 | ||
963 | while (c == '-' || c == '+' || c == '=') | |
964 | { | |
965 | ynm set = ynm_fromCodeChar (c); | |
966 | cstring thisflag; | |
967 | ||
968 | s++; | |
969 | ||
970 | thisflag = cstring_fromChars (s); | |
971 | ||
972 | while ((c = *s) != '\0' && (c != '-') && (c != '=') | |
973 | && (c != '+') && (c != ' ') && (c != '\t') && (c != '\n')) | |
974 | { | |
975 | s++; | |
976 | } | |
977 | ||
978 | *s = '\0'; | |
979 | ||
980 | if (!context_getFlag (FLG_NOCOMMENTS)) | |
981 | { | |
982 | cstring flagname = thisflag; | |
983 | flagcode fflag = flags_identifyFlag (flagname); | |
984 | ||
985 | if (flagcode_isSkip (fflag)) | |
986 | { | |
987 | ; | |
988 | } | |
989 | else if (flagcode_isModeName (fflag)) | |
990 | { | |
991 | if (ynm_isMaybe (set)) | |
992 | { | |
993 | llerror | |
994 | (FLG_BADFLAG, | |
995 | message | |
996 | ("Semantic comment attempts to restore flag %s. " | |
997 | "A mode flag cannot be restored.", | |
998 | flagname)); | |
999 | } | |
1000 | else | |
1001 | { | |
1002 | context_setMode (flagname); | |
1003 | } | |
1004 | } | |
1005 | else if (flagcode_isInvalid (fflag)) | |
1006 | { | |
1007 | voptgenerror | |
1008 | (FLG_UNRECOGFLAGCOMMENTS, | |
1009 | message ("Unrecognized option in semantic comment: %s", | |
1010 | flagname), | |
1011 | loc); | |
1012 | } | |
1013 | else if (flagcode_isGlobalFlag (fflag)) | |
1014 | { | |
1015 | voptgenerror | |
1016 | (FLG_BADFLAG, | |
1017 | message | |
1018 | ("Semantic comment attempts to set global flag %s. " | |
1019 | "A global flag cannot be set locally.", | |
1020 | flagname), | |
1021 | loc); | |
1022 | } | |
1023 | else | |
1024 | { | |
1025 | context_fileSetFlag (fflag, set, loc); | |
1026 | ||
1027 | if (flagcode_hasArgument (fflag)) | |
1028 | { | |
1029 | if (ynm_isMaybe (set)) | |
1030 | { | |
1031 | voptgenerror | |
1032 | (FLG_BADFLAG, | |
1033 | message | |
1034 | ("Semantic comment attempts to restore flag %s. " | |
1035 | "A flag for setting a value cannot be restored.", | |
1036 | flagname), | |
1037 | loc); | |
1038 | } | |
1039 | else | |
1040 | { /* cut-and-pastied from llmain...blecch */ | |
1041 | cstring extra = cstring_undefined; | |
1042 | char *rest; | |
1043 | char *orest; | |
1044 | char rchar; | |
1045 | ||
1046 | *s = c; | |
1047 | rest = mstring_copy (s); | |
1048 | orest = rest; | |
1049 | *s = '\0'; | |
1050 | ||
1051 | while ((rchar = *rest) != '\0' | |
1052 | && (isspace (rchar))) | |
1053 | { | |
1054 | rest++; | |
1055 | s++; | |
1056 | } | |
1057 | ||
1058 | while ((rchar = *rest) != '\0' | |
1059 | && !isspace (rchar)) | |
1060 | { | |
1061 | extra = cstring_appendChar (extra, rchar); | |
1062 | rest++; | |
1063 | s++; | |
1064 | } | |
1065 | s--; /* evans 2002-07-12: this was previously only in the else branch. | |
1066 | Leads to an invalid read on the true branch. | |
1067 | */ | |
1068 | ||
1069 | sfree (orest); | |
1070 | ||
1071 | if (cstring_isUndefined (extra)) | |
1072 | { | |
1073 | llerror | |
1074 | (FLG_BADFLAG, | |
1075 | message | |
1076 | ("Flag %s (in semantic comment) must be followed by an argument", | |
1077 | flagcode_unparse (fflag))); | |
1078 | ||
1079 | cstring_free (extra); | |
1080 | } | |
1081 | else | |
1082 | { | |
1083 | if (flagcode_hasNumber (fflag)) | |
1084 | { | |
1085 | flags_setValueFlag (fflag, extra); | |
1086 | } | |
1087 | else if (flagcode_hasChar (fflag)) | |
1088 | { | |
1089 | flags_setValueFlag (fflag, extra); | |
1090 | } | |
1091 | else if (flagcode_hasString (fflag)) | |
1092 | { | |
1093 | flags_setStringFlag (fflag, extra); | |
1094 | } | |
1095 | else | |
1096 | { | |
1097 | cstring_free (extra); | |
1098 | BADEXIT; | |
1099 | } | |
1100 | } | |
1101 | } | |
1102 | } | |
1103 | } | |
1104 | } | |
1105 | else | |
1106 | { | |
1107 | ; | |
1108 | } | |
1109 | ||
1110 | *s = c; | |
1111 | while ((c == ' ') || (c == '\t') || (c == '\n')) | |
1112 | { | |
1113 | c = *(++s); | |
1114 | } | |
1115 | } | |
1116 | ||
1117 | if (context_inHeader () && !isArtificial (cstring_fromChars (os))) | |
1118 | { | |
1119 | DPRINTF (("Here adding comment: %s", os)); | |
1120 | context_addComment (cstring_fromCharsNew (os), loc); | |
1121 | } | |
1122 | else | |
1123 | { | |
1124 | ; | |
1125 | } | |
1126 | } | |
1127 | else | |
1128 | { | |
1129 | char *t = s; | |
1130 | int macrocode; | |
1131 | char tchar = '\0'; | |
1132 | annotationInfo ainfo; | |
1133 | ||
1134 | while (*s != '\0' && *s != ' ' && *s != '\t' && *s != '\n') | |
1135 | { | |
1136 | s++; | |
1137 | } | |
1138 | ||
1139 | if (*s != '\0') | |
1140 | { | |
1141 | tchar = *s; | |
1142 | *s = '\0'; | |
1143 | s++; | |
1144 | } | |
1145 | ||
1146 | t = cstring_toCharsSafe (cstring_downcase (cstring_fromChars (t))); | |
1147 | macrocode = tokenMacroCode (cstring_fromChars (t)); | |
1148 | ||
1149 | if (macrocode != BADTOK) | |
1150 | { | |
1151 | s_tokLength = hasnl ? 0 : size_toInt (mstring_length (t)); | |
1152 | ||
1153 | sfree (t); | |
1154 | sfree (os); | |
1155 | fileloc_free (loc); | |
1156 | ||
1157 | if (macrocode == SKIPTOK) | |
1158 | { | |
1159 | return BADTOK; | |
1160 | } | |
1161 | ||
1162 | return macrocode; | |
1163 | } | |
1164 | ||
1165 | ainfo = context_lookupAnnotation (cstring_fromChars (os)); | |
1166 | ||
1167 | if (annotationInfo_isDefined (ainfo)) { | |
1168 | DPRINTF (("Found annotation: %s", annotationInfo_unparse (ainfo))); | |
b73d1009 | 1169 | yylval.annotation = ainfo; |
16c024b5 | 1170 | s_tokLength = 0; |
1171 | sfree (os); | |
1172 | sfree (t); | |
1173 | fileloc_free (loc); | |
1174 | return CANNOTATION; | |
1175 | } | |
1176 | ||
1177 | if (context_inHeader ()) | |
1178 | { | |
1179 | if (tchar != '\0') | |
1180 | { | |
1181 | *(s-1) = tchar; | |
1182 | } | |
1183 | ||
1184 | if ((context_inMacro () || context_inGlobalContext ()) | |
1185 | && macrocode != SKIPTOK | |
1186 | && !isArtificial (cstring_fromChars (os))) | |
1187 | { | |
1188 | if (context_processingMacros ()) | |
1189 | { | |
1190 | /* evans 2002-02-24: don't add comments when procssing macros */ | |
1191 | } | |
1192 | else | |
1193 | { | |
1194 | context_addComment (cstring_fromCharsNew (os), loc); | |
1195 | } | |
1196 | } | |
1197 | else | |
1198 | { | |
1199 | ; | |
1200 | } | |
1201 | ||
1202 | if (tchar != '\0') | |
1203 | { | |
1204 | *(s-1) = '\0'; | |
1205 | } | |
1206 | } | |
1207 | ||
1208 | if (mstring_equal (t, "ignore")) | |
1209 | { | |
1210 | if (!context_getFlag (FLG_NOCOMMENTS)) | |
1211 | { | |
1212 | context_enterSuppressRegion (loc); | |
1213 | } | |
1214 | } | |
1215 | else if ((*t == 'i' || *t == 't') | |
1216 | && (*(t + 1) == '\0')) | |
1217 | { | |
1218 | if (!context_getFlag (FLG_NOCOMMENTS) | |
1219 | && (*t == 'i' || context_getFlag (FLG_TMPCOMMENTS))) | |
1220 | { | |
1221 | context_enterSuppressLine (-1, loc); /* infinite suppression */ | |
1222 | } | |
1223 | } | |
1224 | else if (((*t == 'i') || (*t == 't')) | |
1225 | && ((*(t + 1) >= '0' && *(t + 1) <= '9'))) | |
1226 | { | |
1227 | bool tmpcomment = (*t == 't'); | |
1228 | int val = -1; | |
1229 | char *tt = t; /* don't mangle t, since it is free'd */ | |
1230 | char lc = *(++tt); | |
1231 | ||
1232 | if (lc >= '0' && lc <= '9') | |
1233 | { | |
1234 | val = (int)(lc - '0'); | |
1235 | ||
1236 | lc = *(++tt); | |
1237 | while (lc >= '0' && lc <= '9') | |
1238 | { | |
1239 | val *= 10; | |
1240 | val += (int) (lc - '0'); | |
1241 | lc = *(++tt); | |
1242 | } | |
1243 | } | |
1244 | ||
1245 | if (!context_getFlag (FLG_NOCOMMENTS) | |
1246 | && (!tmpcomment || context_getFlag (FLG_TMPCOMMENTS))) | |
1247 | { | |
1248 | DPRINTF (("Here: enter suppress: %s", fileloc_unparse (loc))); | |
1249 | context_enterSuppressLine (val, loc); | |
1250 | } | |
1251 | } | |
1252 | else if (mstring_equal (t, "end")) | |
1253 | { | |
1254 | if (!context_getFlag (FLG_NOCOMMENTS)) | |
1255 | { | |
1256 | context_exitSuppressRegion (loc); | |
1257 | } | |
1258 | } | |
1259 | else if (mstring_equal (t, "notfunction")) | |
1260 | { | |
1261 | ; /* handled by pcpp */ | |
1262 | } | |
1263 | else if (mstring_equal (t, "access")) | |
1264 | { | |
1265 | cstring tname; | |
1266 | ||
1267 | while (TRUE) | |
1268 | { | |
1269 | while (((c = *s) != '\0') && (c == ' ' || c == '\t' || c == '\n')) | |
1270 | { | |
1271 | s++; | |
1272 | } | |
1273 | ||
1274 | if (c == '\0') | |
1275 | { | |
1276 | break; | |
1277 | } | |
1278 | ||
1279 | tname = cstring_fromChars (s); | |
1280 | ||
1281 | while ((c = *s) != '\0' && c != ' ' | |
1282 | && c != '\t' && c != '\n' && c != ',') | |
1283 | { | |
1284 | s++; | |
1285 | } | |
1286 | ||
1287 | *s = '\0'; | |
1288 | ||
1289 | DPRINTF (("Access %s", tname)); | |
1290 | ||
1291 | if (!context_getFlag (FLG_NOCOMMENTS) | |
1292 | && !context_getFlag (FLG_NOACCESS)) | |
1293 | { | |
1294 | if (usymtab_existsType (tname)) | |
1295 | { | |
1296 | typeId uid = usymtab_getTypeId (tname); | |
1297 | uentry ue = usymtab_getTypeEntry (uid); | |
1298 | ||
1299 | if (uentry_isAbstractDatatype (ue)) | |
1300 | { | |
1301 | context_addFileAccessType (uid); | |
1302 | DPRINTF (("Adding access to: %s / %d", tname, uid)); | |
1303 | } | |
1304 | else | |
1305 | { | |
1306 | voptgenerror | |
1307 | (FLG_COMMENTERROR, | |
1308 | message | |
1309 | ("Non-abstract type %s used in access comment", | |
1310 | tname), | |
1311 | loc); | |
1312 | } | |
1313 | } | |
1314 | else | |
1315 | { | |
1316 | if (!(context_inSuppressRegion () | |
1317 | || context_inSuppressZone (loc))) | |
1318 | { | |
1319 | voptgenerror | |
1320 | (FLG_COMMENTERROR, | |
1321 | message | |
1322 | ("Unrecognized type %s used in access comment", | |
1323 | tname), | |
1324 | loc); | |
1325 | } | |
1326 | } | |
1327 | } | |
1328 | ||
1329 | if (c != '\0') | |
1330 | { | |
1331 | s++; | |
1332 | } | |
1333 | ||
1334 | if (c != ',' && c != ' ') | |
1335 | { | |
1336 | break; | |
1337 | } | |
1338 | } | |
1339 | } | |
1340 | else if (mstring_equal (t, "noaccess")) | |
1341 | { | |
1342 | cstring tname; | |
1343 | char lc; | |
1344 | ||
1345 | while (TRUE) | |
1346 | { | |
1347 | while (((lc = *s) != '\0') && (lc == ' ' || lc == '\t' || lc == '\n')) | |
1348 | { | |
1349 | s++; | |
1350 | } | |
1351 | ||
1352 | if (lc == '\0') | |
1353 | { | |
1354 | break; | |
1355 | } | |
1356 | ||
1357 | tname = cstring_fromChars (s); | |
1358 | ||
1359 | while ((lc = *s) != '\0' && lc != ' ' && lc != '\t' | |
1360 | && lc != '\n' && lc != ',') | |
1361 | { | |
1362 | s++; | |
1363 | } | |
1364 | ||
1365 | *s = '\0'; | |
1366 | ||
1367 | if (!context_getFlag (FLG_NOCOMMENTS) | |
1368 | && !context_getFlag (FLG_NOACCESS)) | |
1369 | { | |
1370 | if (usymtab_existsType (tname)) | |
1371 | { | |
1372 | typeId tuid = usymtab_getTypeId (tname); | |
1373 | ||
1374 | if (context_couldHaveAccess (tuid)) | |
1375 | { | |
1376 | DPRINTF (("Removing access: %s", tname)); | |
1377 | context_removeFileAccessType (tuid); | |
1378 | } | |
1379 | else | |
1380 | { | |
1381 | if (!(context_inSuppressRegion () | |
1382 | || context_inSuppressZone (loc))) | |
1383 | { | |
1384 | uentry ue = usymtab_getTypeEntry (tuid); | |
1385 | ||
1386 | if (uentry_isAbstractDatatype (ue)) | |
1387 | { | |
1388 | voptgenerror | |
1389 | (FLG_COMMENTERROR, | |
1390 | message | |
1391 | ("Non-accessible abstract type %s used in noaccess comment", | |
1392 | tname), | |
1393 | loc); | |
1394 | } | |
1395 | else | |
1396 | { | |
1397 | voptgenerror | |
1398 | (FLG_COMMENTERROR, | |
1399 | message | |
1400 | ("Non-abstract type %s used in noaccess comment", | |
1401 | tname), | |
1402 | loc); | |
1403 | } | |
1404 | } | |
1405 | } | |
1406 | } | |
1407 | else | |
1408 | { | |
1409 | if (!(context_inSuppressRegion () | |
1410 | || context_inSuppressZone (loc))) | |
1411 | { | |
1412 | voptgenerror | |
1413 | (FLG_COMMENTERROR, | |
1414 | message | |
1415 | ("Unrecognized type %s used in noaccess comment", | |
1416 | tname), | |
1417 | loc); | |
1418 | } | |
1419 | } | |
1420 | } | |
1421 | ||
1422 | if (lc != '\0') | |
1423 | { | |
1424 | s++; | |
1425 | } | |
1426 | ||
1427 | if (lc != ',' && lc != ' ') | |
1428 | { | |
1429 | break; | |
1430 | } | |
1431 | } | |
1432 | } | |
1433 | else | |
1434 | { | |
1435 | voptgenerror (FLG_UNRECOGCOMMENTS, | |
1436 | message ("Semantic comment unrecognized: %s", | |
1437 | cstring_fromChars (os)), | |
1438 | loc); | |
b73d1009 | 1439 | /*@-branchstate@*/ |
1440 | } /* spurious (?) warning about t */ | |
1441 | /*@=branchstate@*/ | |
16c024b5 | 1442 | |
1443 | sfree (t); | |
1444 | } | |
1445 | ||
1446 | sfree (os); | |
1447 | fileloc_free (loc); | |
1448 | return BADTOK; | |
1449 | } | |
1450 | ||
1451 | /*@only@*/ cstring cscannerHelp_makeIdentifier (char *s) | |
1452 | { | |
1453 | char *c = mstring_create (strlen (s) + 1); | |
1454 | cstring id = cstring_fromChars (c); | |
1455 | ||
1456 | while (isalnum (*s) || (*s == '_') || (*s == '$')) | |
1457 | { | |
1458 | *c++ = *s++; | |
1459 | } | |
1460 | ||
1461 | *c = '\0'; | |
1462 | return (id); | |
1463 | } | |
1464 | ||
1465 | /*@observer@*/ /*@dependent@*/ uentry cscannerHelp_coerceId (cstring cn) | |
1466 | { | |
1467 | if (!(usymtab_exists (cn))) | |
1468 | { | |
1469 | fileloc loc = fileloc_createExternal (); | |
1470 | ||
1471 | /* | |
1472 | ** We need to put this in a global scope, otherwise the sRef will be deallocated. | |
1473 | */ | |
1474 | ||
1475 | uentry ce = uentry_makeUnrecognized (cn, loc); | |
1476 | ||
1477 | if (!context_inIterEnd ()) | |
1478 | { | |
1479 | voptgenerror | |
1480 | (FLG_SYSTEMUNRECOG, | |
1481 | message ("Unrecognized (possibly system) identifier: %q", | |
1482 | uentry_getName (ce)), | |
1483 | g_currentloc); | |
1484 | } | |
1485 | ||
1486 | return ce; | |
1487 | } | |
1488 | ||
1489 | return (usymtab_lookup (cn)); | |
1490 | } | |
1491 | ||
1492 | /* | |
1493 | ** like, cscannerHelp_coerceId, but doesn't supercede for iters | |
1494 | */ | |
1495 | ||
1496 | /*@observer@*/ uentry cscannerHelp_coerceIterId (cstring cn) | |
1497 | { | |
1498 | if (!(usymtab_exists (cn))) | |
1499 | { | |
1500 | return uentry_undefined; | |
1501 | } | |
1502 | ||
1503 | return (usymtab_lookup (cn)); | |
1504 | } | |
1505 | ||
1506 | /* | |
1507 | ** Need to keep this in case there is a declaration that isn't processed until | |
1508 | ** the scope exits. Would be good to rearrange the symbol table so this doesn't | |
1509 | ** happen, and save all the cstring copying. | |
1510 | */ | |
1511 | ||
1512 | /*@observer@*/ cstring cscannerHelp_observeLastIdentifier () | |
1513 | { | |
1514 | cstring res = s_lastidprocessed; | |
1515 | return res; | |
1516 | } | |
1517 | ||
1518 | static void cscanner_setLastIdentifier (/*@keep@*/ cstring id) /*@modifies s_lastidprocessed@*/ | |
1519 | { | |
1520 | if (cstring_isDefined (s_lastidprocessed)) | |
1521 | { | |
1522 | cstring_free (s_lastidprocessed); | |
1523 | } | |
1524 | ||
1525 | s_lastidprocessed = id; | |
1526 | } | |
1527 | ||
1528 | int cscannerHelp_processIdentifier (cstring id) | |
1529 | { | |
1530 | uentry le; | |
1531 | ||
1532 | if (context_getFlag (FLG_GRAMMAR)) | |
1533 | { | |
1534 | lldiagmsg (message ("Process identifier: %s", id)); | |
1535 | } | |
1536 | ||
1537 | context_clearJustPopped (); | |
1538 | cscanner_setLastIdentifier (id); | |
1539 | ||
1540 | DPRINTF (("Context: %s", context_unparse ())); | |
1541 | ||
1542 | if (context_inFunctionHeader ()) | |
1543 | { | |
1544 | int tok = commentMarkerToken (id); | |
1545 | DPRINTF (("in function decl: %s", id)); | |
1546 | ||
1547 | if (tok != BADTOK) | |
1548 | { | |
1549 | return tok; | |
1550 | } | |
1551 | else | |
1552 | { | |
1553 | tok = tokenMacroCode (id); | |
1554 | ||
1555 | if (tok != BADTOK) | |
1556 | { | |
1557 | return tok; | |
1558 | } | |
1559 | else | |
1560 | { | |
1561 | annotationInfo ainfo; | |
1562 | ||
1563 | if (s_expectingMetaStateName) | |
1564 | { | |
1565 | metaStateInfo msinfo = context_lookupMetaStateInfo (id); | |
1566 | ||
1567 | if (metaStateInfo_isDefined (msinfo)) | |
1568 | { | |
1569 | yylval.msinfo = msinfo; | |
1570 | return METASTATE_NAME; | |
1571 | } | |
1572 | else | |
1573 | { | |
1574 | DPRINTF (("Not meta state name: %s", cstring_toCharsSafe (id))); | |
1575 | } | |
1576 | } | |
1577 | ||
1578 | ainfo = context_lookupAnnotation (id); | |
1579 | ||
1580 | if (annotationInfo_isDefined (ainfo)) | |
1581 | { | |
1582 | DPRINTF (("Found annotation: %s", annotationInfo_unparse (ainfo))); | |
b73d1009 | 1583 | yylval.annotation = ainfo; |
16c024b5 | 1584 | return CANNOTATION; |
1585 | } | |
1586 | else | |
1587 | { | |
1588 | DPRINTF (("Not annotation: %s", id)); | |
1589 | } | |
1590 | } | |
1591 | } | |
1592 | } | |
1593 | ||
1594 | DPRINTF (("Here!")); | |
1595 | ||
1596 | /* Consider handling: Defined by C99 as static const char __func__[] */ | |
1597 | ||
1598 | if (context_getFlag (FLG_GNUEXTENSIONS)) | |
1599 | { | |
1600 | int tok = BADTOK; | |
1601 | ||
1602 | if (cstring_equalLit (id, "__stdcall") | |
1603 | || cstring_equalLit (id, "__cdecl") | |
1604 | || cstring_equalLit (id, "__extension__")) | |
1605 | { | |
1606 | return BADTOK; | |
1607 | } | |
1608 | else if (cstring_equalLit (id, "__volatile__")) | |
1609 | { | |
1610 | tok = QVOLATILE; | |
1611 | } | |
1612 | else if (cstring_equalLit (id, "__signed")) | |
1613 | { | |
1614 | tok = QSIGNED; | |
1615 | } | |
1616 | else if (cstring_equalLit (id, "__unsigned")) | |
1617 | { | |
1618 | tok = QUNSIGNED; | |
1619 | } | |
1620 | else if (cstring_equalLit (id, "__const__")) | |
1621 | { | |
1622 | tok = QCONST; | |
1623 | } | |
1624 | else if (cstring_equalLit (id, "__alignof__")) | |
1625 | { | |
1626 | tok = CALIGNOF; /* alignof is parsed like sizeof */ | |
1627 | } | |
1628 | else if (cstring_equalLit (id, "__typeof__")) | |
1629 | { | |
1630 | tok = CTYPEOF; | |
1631 | } | |
1632 | else if (cstring_equalLit (id, "typeof")) | |
1633 | { | |
1634 | tok = CTYPEOF; | |
1635 | } | |
1636 | else if (cstring_equalLit (id, "__FUNCTION__") | |
1637 | || cstring_equalLit (id, "__PRETTY_FUNCTION__")) | |
1638 | { | |
1639 | /* These tokens hold the name of the current function as strings */ | |
1640 | /* evans 2001-12-30: changed from exprNode_stringLiteral; bug reported by Jim Zelenka. */ | |
1641 | yylval.expr = exprNode_makeConstantString (id, fileloc_copy (g_currentloc)); | |
1642 | s_tokLength = 0; | |
1643 | s_lastWasString = TRUE; | |
1644 | tok = CCONSTANT; | |
1645 | return tok; | |
1646 | } | |
1647 | else if (cstring_equalLit (id, "__attribute__") | |
1648 | || cstring_equalLit (id, "__asm__") | |
1649 | || cstring_equalLit (id, "_asm") | |
1650 | || cstring_equalLit (id, "__asm") | |
1651 | || cstring_equalLit (id, "__declspec")) | |
1652 | { | |
1653 | int depth = 0; | |
1654 | bool useparens = FALSE; | |
1655 | bool usebraces = FALSE; | |
1656 | bool inquote = FALSE; | |
1657 | bool inescape = FALSE; | |
1658 | int ic; | |
1659 | ||
1660 | while ((ic = cscanner_input ()) != EOF) | |
1661 | { | |
1662 | char cc = (char) ic; | |
1663 | ||
1664 | if (inescape) | |
1665 | { | |
1666 | inescape = FALSE; | |
1667 | } | |
1668 | else if (cc == '\\') | |
1669 | { | |
1670 | inescape = TRUE; | |
1671 | } | |
1672 | else if (cc == '\"') | |
1673 | { | |
1674 | inquote = !inquote; | |
1675 | } | |
1676 | else if (!inquote) | |
1677 | { | |
1678 | if (cc == '(') | |
1679 | { | |
1680 | if (!useparens) | |
1681 | { | |
1682 | if (!usebraces) | |
1683 | { | |
1684 | useparens = TRUE; | |
1685 | } | |
1686 | } | |
1687 | ||
1688 | if (useparens) | |
1689 | { | |
1690 | depth++; | |
1691 | } | |
1692 | } | |
1693 | else if (cc == '{') | |
1694 | { | |
1695 | if (!usebraces) | |
1696 | { | |
1697 | if (!useparens) | |
1698 | { | |
1699 | usebraces = TRUE; | |
1700 | } | |
1701 | } | |
1702 | ||
1703 | if (usebraces) | |
1704 | { | |
1705 | depth++; | |
1706 | } | |
1707 | } | |
1708 | else if (cc == ')' && useparens) | |
1709 | { | |
1710 | depth--; | |
1711 | if (depth == 0) break; | |
1712 | } | |
1713 | else if (cc == '}' && usebraces) | |
1714 | { | |
1715 | depth--; | |
1716 | if (depth == 0) break; | |
1717 | } | |
1718 | else if (cc == '}' | |
1719 | && !usebraces && !useparens | |
1720 | && cstring_equalLit (id, "__asm")) | |
1721 | { | |
1722 | /* | |
1723 | ** We need this because some MS VC++ include files | |
1724 | ** have __asm mov ... } | |
1725 | ** Its a kludge, but otherwise would need to parse | |
1726 | ** the asm code! | |
1727 | */ | |
1728 | return TRBRACE; | |
1729 | } | |
1730 | else | |
1731 | { | |
1732 | ; | |
1733 | } | |
1734 | } | |
1735 | else | |
1736 | { | |
1737 | ; | |
1738 | } | |
1739 | ||
1740 | if (cc == '\n') | |
1741 | { | |
1742 | context_incLineno (); | |
1743 | ||
1744 | if (cstring_equalLit (id, "__asm") | |
1745 | && !useparens && !usebraces) | |
1746 | { | |
1747 | break; | |
1748 | } | |
1749 | } | |
1750 | } | |
1751 | ||
1752 | llassert ((useparens && ic == (int) ')') | |
1753 | || (usebraces && ic == (int) '}') | |
1754 | || (!useparens && !usebraces)); | |
1755 | ||
1756 | return BADTOK; | |
1757 | } | |
1758 | else if (cstring_equalLit (id, "inline") | |
1759 | || cstring_equalLit (id, "__inline") | |
1760 | || cstring_equalLit (id, "_inline") | |
1761 | || cstring_equalLit (id, "__inline__")) | |
1762 | { | |
1763 | tok = QINLINE; | |
1764 | } | |
1765 | else | |
1766 | { | |
1767 | ; | |
1768 | } | |
1769 | ||
1770 | if (tok != BADTOK) | |
1771 | { | |
1772 | return (cscannerHelp_returnToken (tok)); | |
1773 | } | |
1774 | } | |
1775 | ||
1776 | le = usymtab_lookupSafe (id); | |
1777 | ||
1778 | /*@-dependenttrans@*/ | |
1779 | ||
1780 | if (uentry_isIter (le)) | |
1781 | { | |
b73d1009 | 1782 | yylval.entry = le; |
16c024b5 | 1783 | return (ITER_NAME); |
1784 | } | |
1785 | else if (uentry_isEndIter (le)) | |
1786 | { | |
b73d1009 | 1787 | yylval.entry = le; |
16c024b5 | 1788 | return (ITER_ENDNAME); |
1789 | } | |
1790 | else if (uentry_isUndefined (le)) | |
1791 | { | |
1792 | yylval.cname = cstring_copy (id); | |
1793 | ||
1794 | /* avoid parse errors for certain system built ins */ | |
1795 | ||
1796 | if (s_expectingTypeName && (cstring_firstChar (id) == '_') | |
1797 | && (cstring_secondChar (id) == '_')) | |
1798 | { | |
1799 | return (TYPE_NAME_OR_ID); | |
1800 | } | |
1801 | ||
1802 | return (NEW_IDENTIFIER); | |
1803 | } | |
1804 | else if (!uentry_isDeclared (le) && !uentry_isCodeDefined (le)) | |
1805 | { | |
1806 | if (uentry_isDatatype (le)) | |
1807 | { | |
1808 | yylval.cname = cstring_copy (id); | |
1809 | return (NEW_IDENTIFIER); | |
1810 | } | |
1811 | else | |
1812 | { | |
b73d1009 | 1813 | yylval.entry = le; |
16c024b5 | 1814 | return (IDENTIFIER); |
1815 | } | |
1816 | } | |
1817 | else if (uentry_isDatatype (le)) | |
1818 | { | |
1819 | if (!s_expectingTypeName) | |
1820 | { | |
1821 | yylval.cname = cstring_copy (id); | |
1822 | ||
1823 | return (NEW_IDENTIFIER); | |
1824 | } | |
1825 | else | |
1826 | { | |
1827 | yylval.ctyp = uentry_getAbstractType (le); | |
1828 | ||
1829 | uentry_setUsed (le, g_currentloc); | |
1830 | return (TYPE_NAME); | |
1831 | } | |
1832 | } | |
1833 | else | |
1834 | { | |
b73d1009 | 1835 | yylval.entry = le; |
16c024b5 | 1836 | return (IDENTIFIER); |
1837 | } | |
1838 | ||
1839 | /*@=dependenttrans@*/ | |
1840 | } | |
1841 | ||
1842 | bool cscannerHelp_processHashIdentifier (/*@only@*/ cstring id) | |
1843 | { | |
1844 | if (context_inMacro () || context_inIterDef () || | |
1845 | context_inIterEnd ()) | |
1846 | { | |
1847 | uentry le; | |
1848 | ||
1849 | context_clearJustPopped (); | |
1850 | ||
1851 | le = usymtab_lookupSafe (id); | |
1852 | cscanner_setLastIdentifier (id); | |
1853 | ||
1854 | if (uentry_isParam (le) || uentry_isRefParam (le)) | |
1855 | { | |
1856 | return TRUE; | |
1857 | } | |
1858 | else | |
1859 | { | |
1860 | return FALSE; | |
1861 | } | |
1862 | } | |
1863 | else | |
1864 | { | |
1865 | /* | |
1866 | ** Will be handled by handleLlSpecial | |
1867 | */ | |
1868 | ||
1869 | cstring_free (id); | |
1870 | return FALSE; | |
1871 | } | |
1872 | } | |
1873 | ||
1874 | /*@only@*/ exprNode cscannerHelp_processString (void) | |
1875 | { | |
1876 | exprNode res; | |
1877 | fileloc loc; | |
1878 | char *nl = strchr (yytext, '\n'); | |
1879 | cstring ns = cstring_fromCharsNew (yytext); | |
1880 | ||
1881 | if (nl == NULL) | |
1882 | { | |
1883 | loc = fileloc_copy (g_currentloc); | |
1884 | addColumn (size_toInt (cstring_length (ns))); | |
1885 | } | |
1886 | else | |
1887 | { | |
1888 | char *lastnl = nl; | |
1889 | ||
1890 | loc = fileloc_copy (g_currentloc); | |
1891 | ||
1892 | context_incLineno (); | |
1893 | ||
1894 | while ((nl = strchr ((nl + 1), '\n')) != NULL) | |
1895 | { | |
1896 | context_incLineno (); | |
1897 | lastnl = nl; | |
1898 | } | |
1899 | } | |
1900 | ||
1901 | ||
1902 | res = exprNode_stringLiteral (ns, loc); | |
1903 | return (res); | |
1904 | } | |
1905 | ||
1906 | /* | |
1907 | ** process a wide character string L"...." | |
1908 | */ | |
1909 | ||
1910 | /*@only@*/ exprNode cscannerHelp_processWideString () | |
1911 | { | |
1912 | exprNode res; | |
1913 | fileloc loc; | |
1914 | char *nl = strchr (yytext, '\n'); | |
1915 | cstring ns; | |
1916 | ||
1917 | llassert (*yytext == 'L'); | |
1918 | yytext++; | |
1919 | ||
1920 | ns = cstring_fromCharsNew (yytext); | |
1921 | ||
1922 | if (nl == NULL) | |
1923 | { | |
1924 | loc = fileloc_copy (g_currentloc); | |
1925 | addColumn (size_toInt (cstring_length (ns))); | |
1926 | } | |
1927 | else | |
1928 | { | |
1929 | char *lastnl = nl; | |
1930 | ||
1931 | loc = fileloc_copy (g_currentloc); | |
1932 | ||
1933 | context_incLineno (); | |
1934 | ||
1935 | while ((nl = strchr ((nl + 1), '\n')) != NULL) | |
1936 | { | |
1937 | context_incLineno (); | |
1938 | lastnl = nl; | |
1939 | } | |
1940 | } | |
1941 | ||
1942 | res = exprNode_wideStringLiteral (ns, loc); | |
1943 | return (res); | |
1944 | } | |
1945 | ||
1946 | char cscannerHelp_processChar () | |
1947 | { | |
1948 | char fchar; | |
1949 | char next; | |
1950 | ||
1951 | llassert (*yytext != '\0'); | |
1952 | fchar = *(yytext + 1); | |
1953 | if (fchar != '\\') return fchar; | |
1954 | ||
1955 | next = *(yytext + 2); | |
1956 | ||
1957 | switch (next) | |
1958 | { | |
1959 | case 'n': return '\n'; | |
1960 | case 't': return '\t'; | |
1961 | case '\"': return '\"'; | |
1962 | case '\'': return '\''; | |
1963 | case '\\': return '\\'; | |
1964 | default: return '\0'; | |
1965 | } | |
1966 | } | |
1967 | ||
1968 | double cscannerHelp_processFloat () | |
1969 | { | |
1970 | double ret = atof (yytext); | |
1971 | ||
1972 | return (ret); | |
1973 | } | |
1974 | ||
1975 | long cscannerHelp_processHex () | |
1976 | { | |
1977 | int index = 2; | |
1978 | long val = 0; | |
1979 | ||
1980 | llassert (yytext[0] == '0' | |
1981 | && (yytext[1] == 'X' || yytext[1] == 'x')); | |
1982 | ||
1983 | while (yytext[index] != '\0') { | |
1984 | int tval; | |
1985 | char c = yytext[index]; | |
1986 | ||
1987 | if (c >= '0' && c <= '9') { | |
1988 | tval = (int) c - (int) '0'; | |
1989 | } else if (c >= 'A' && c <= 'F') { | |
1990 | tval = (int) c - (int) 'A' + 10; | |
1991 | } else if (c >= 'a' && c <= 'f') { | |
1992 | tval = (int) c - (int) 'a' + 10; | |
1993 | } else if (c == 'U' || c == 'L' || c == 'u' || c == 'l') { | |
1994 | index++; | |
1995 | while (yytext[index] != '\0') { | |
1996 | if (c == 'U' || c == 'L' || c == 'u' || c == 'l') { | |
1997 | ; | |
1998 | } else { | |
1999 | voptgenerror | |
2000 | (FLG_SYNTAX, | |
2001 | message ("Invalid character (%c) following specifier in hex constant: %s", | |
2002 | c, cstring_fromChars (yytext)), | |
2003 | g_currentloc); | |
2004 | } | |
2005 | index++; | |
2006 | } | |
2007 | ||
2008 | break; | |
2009 | } else { | |
2010 | voptgenerror | |
2011 | (FLG_SYNTAX, | |
2012 | message ("Invalid character (%c) in hex constant: %s", | |
2013 | c, cstring_fromChars (yytext)), | |
2014 | g_currentloc); | |
2015 | break; | |
2016 | } | |
2017 | ||
2018 | val = (val * 16) + tval; | |
2019 | index++; | |
2020 | } | |
2021 | ||
2022 | DPRINTF (("Hex constant: %s = %ld", yytext, val)); | |
2023 | return val; | |
2024 | } | |
2025 | ||
2026 | long cscannerHelp_processOctal () | |
2027 | { | |
2028 | int index = 1; | |
2029 | long val = 0; | |
2030 | ||
2031 | llassert (yytext[0] == '0' && yytext[1] != 'X' && yytext[1] != 'x'); | |
2032 | ||
2033 | while (yytext[index] != '\0') { | |
2034 | int tval; | |
2035 | char c = yytext[index]; | |
2036 | ||
2037 | if (c >= '0' && c <= '7') { | |
2038 | tval = (int) c - (int) '0'; | |
2039 | } else if (c == 'U' || c == 'L' || c == 'u' || c == 'l') { | |
2040 | index++; | |
2041 | while (yytext[index] != '\0') { | |
2042 | if (c == 'U' || c == 'L' || c == 'u' || c == 'l') { | |
2043 | ; | |
2044 | } else { | |
2045 | voptgenerror | |
2046 | (FLG_SYNTAX, | |
2047 | message ("Invalid character (%c) following specifier in octal constant: %s", | |
2048 | c, cstring_fromChars (yytext)), | |
2049 | g_currentloc); | |
2050 | } | |
2051 | index++; | |
2052 | } | |
2053 | ||
2054 | break; | |
2055 | } else { | |
2056 | voptgenerror | |
2057 | (FLG_SYNTAX, | |
2058 | message ("Invalid character (%c) in octal constant: %s", | |
2059 | c, cstring_fromChars (yytext)), | |
2060 | g_currentloc); | |
2061 | break; | |
2062 | } | |
2063 | ||
2064 | val = (val * 8) + tval; | |
2065 | index++; | |
2066 | } | |
2067 | ||
2068 | DPRINTF (("Octal constant: %s = %ld", yytext, val)); | |
2069 | return val; | |
2070 | } | |
2071 | ||
2072 | long cscannerHelp_processDec () | |
2073 | { | |
2074 | return (atol (yytext)); | |
2075 | } | |
2076 | ||
2077 | int cscannerHelp_processSpec (int tok) | |
2078 | { | |
2079 | size_t length = strlen (yytext); | |
2080 | ||
2081 | if (s_inSpecPart) | |
2082 | { | |
2083 | ||
2084 | /*drl 12/11/2002 | |
2085 | patched to fix assert failures in constraint code. | |
2086 | Added the else if test so that splint does not treat MaxSet and MaxRead | |
2087 | as identifies*/ | |
2088 | ||
2089 | if (s_whichSpecPart == QMODIFIES | |
2090 | || s_whichSpecPart == QDEFINES | |
2091 | || s_whichSpecPart == QUSES | |
2092 | || s_whichSpecPart == QALLOCATES | |
2093 | || s_whichSpecPart == QSETS | |
2094 | || s_whichSpecPart == QRELEASES) | |
2095 | ||
2096 | { | |
2097 | DPRINTF((message("Treating specifaction keyword %s as an identifiers. (This corresponds to" | |
2098 | " token %d and we're in the specification denoted by %d see cgrammar_tokens.h" | |
2099 | " for an explanation of these numbers", | |
2100 | yytext, tok, s_whichSpecPart) | |
2101 | )); | |
2102 | ||
2103 | ; /* Allow specificiation keywords to be used as identifiers in these contexts. */ | |
2104 | } | |
2105 | else if ( (s_whichSpecPart == QPRECLAUSE | |
2106 | || s_whichSpecPart == QPOSTCLAUSE | |
2107 | || s_whichSpecPart == QINVARIANT ) | |
2108 | && (!cscannerHelp_isConstraintToken(tok) ) | |
2109 | ) | |
2110 | { | |
2111 | DPRINTF((message("Treating specifaction keyword %s as an identifiers. (This corresponds to" | |
2112 | " token %d and we're in the specification denoted by %d see cgrammar_tokens.h" | |
2113 | " for an explanation of these numbers", | |
2114 | yytext, tok, s_whichSpecPart) | |
2115 | )); | |
2116 | ||
2117 | /* Allow specificiation keywords to be used as identifiers in these contexts. */ | |
2118 | } | |
2119 | else | |
2120 | { | |
2121 | cscannerHelp_setTokLengthT (length); | |
2122 | return cscannerHelp_returnToken (tok); | |
2123 | } | |
2124 | } | |
2125 | ||
2126 | context_saveLocation (); | |
2127 | cscannerHelp_setTokLengthT (length); | |
2128 | return (cscannerHelp_processIdentifier (cscannerHelp_makeIdentifier (yytext))); | |
2129 | } | |
2130 | ||
2131 | void cscannerHelp_expectingMetaStateName () | |
2132 | { | |
2133 | llassert (!s_expectingMetaStateName); | |
2134 | llassert (context_inFunctionHeader ()); | |
2135 | s_expectingMetaStateName = TRUE; | |
2136 | } | |
2137 | ||
2138 | void cscannerHelp_clearExpectingMetaStateName () | |
2139 | { | |
2140 | llassert (s_expectingMetaStateName); | |
2141 | s_expectingMetaStateName = FALSE; | |
2142 | } | |
2143 | ||
2144 | bool cscannerHelp_isConstraintToken (int tok) | |
2145 | /* drl added 12/11/2002 | |
2146 | Tell whether a token has special meaning | |
2147 | within a function constraint | |
2148 | */ | |
2149 | { | |
2150 | return (tok == QMAXSET || tok == QMAXREAD); | |
2151 | /* || tok == QMINREAD || tok == QMINSET */ | |
16c024b5 | 2152 | /* uncomment the additional if statement tests when minSet and minRead are supported */ |
2153 | } | |
2154 | ||
2155 | bool cscannerHelp_processMacro (void) | |
2156 | { | |
2157 | uentry e2; | |
2158 | ctype ct; | |
2159 | int noparams = 0; | |
2160 | cstring fname = cstring_undefined; | |
2161 | bool res = TRUE; | |
2162 | bool isspecfcn = FALSE; | |
2163 | bool isiter = FALSE; | |
2164 | bool skipparam = FALSE; | |
2165 | bool isenditer = FALSE; | |
2166 | bool unknownm = FALSE; | |
2167 | bool hasParams = FALSE; | |
2168 | bool emptyMacro = FALSE; | |
2169 | char c = skip_whitespace (); | |
2170 | fileloc loc = fileloc_noColumn (g_currentloc); | |
2171 | ||
2172 | /* are both of these necessary? what do they mean? */ | |
2173 | uentryList specparams = uentryList_undefined; | |
2174 | uentryList pn = uentryList_undefined; | |
2175 | ||
2176 | context_resetMacroMissingParams (); | |
2177 | ||
2178 | if (c == '\0' || c == '\n') | |
2179 | { | |
2180 | llcontbug (cstring_makeLiteral ("Bad macro")); | |
2181 | fileloc_free (loc); | |
2182 | return FALSE; | |
2183 | } | |
2184 | ||
2185 | fname = cstring_appendChar (fname, c); | |
2186 | ||
2187 | while ((c = macro_nextChar ()) != '(' && c != '\0' | |
2188 | && c != ' ' && c != '\t' && c != '\n') | |
2189 | { | |
2190 | fname = cstring_appendChar (fname, c); | |
2191 | } | |
2192 | ||
2193 | if (c == ' ' || c == '\t' || c == '\n') | |
2194 | { | |
2195 | char oldc = c; | |
2196 | ||
2197 | if (c != '\n') | |
2198 | { | |
2199 | while (c == ' ' || c == '\t') | |
2200 | { | |
2201 | c = macro_nextChar (); | |
2202 | } | |
2203 | cscanner_unput ((int) c); | |
2204 | } | |
2205 | ||
2206 | if (c == '\n') | |
2207 | { | |
2208 | emptyMacro = TRUE; | |
2209 | cscanner_unput ((int) c); | |
2210 | } | |
2211 | ||
2212 | c = oldc; | |
2213 | } | |
2214 | ||
2215 | hasParams = (c == '('); | |
2216 | ||
2217 | if (usymtab_exists (fname)) | |
2218 | { | |
2219 | e2 = usymtab_lookupExpose (fname); | |
2220 | ct = uentry_getType (e2); | |
2221 | ||
2222 | if (uentry_isCodeDefined (e2) | |
2223 | && fileloc_isUser (uentry_whereDefined (e2))) | |
2224 | { | |
2225 | if (optgenerror | |
2226 | (FLG_MACROREDEF, | |
2227 | message ("Macro %s already defined", fname), | |
2228 | loc)) | |
2229 | { | |
2230 | uentry_showWhereDefined (e2); | |
2231 | uentry_clearDefined (e2); | |
2232 | } | |
2233 | ||
2234 | if (uentry_isFunction (e2)) | |
2235 | { | |
2236 | uentry_setType (e2, ctype_unknown); | |
2237 | ct = ctype_unknown; | |
2238 | unknownm = TRUE; | |
2239 | context_enterUnknownMacro (e2); | |
2240 | } | |
2241 | else | |
2242 | { | |
2243 | context_enterConstantMacro (e2); | |
2244 | } | |
2245 | } | |
2246 | else | |
2247 | { | |
2248 | if (uentry_isForward (e2) && uentry_isFunction (e2)) | |
2249 | { | |
2250 | unknownm = TRUE; | |
2251 | ||
2252 | voptgenerror | |
2253 | (FLG_MACROFCNDECL, | |
2254 | message | |
2255 | ("Parameterized macro has no prototype or specification: %s ", | |
2256 | fname), | |
2257 | loc); | |
2258 | ||
2259 | ct = ctype_unknown; | |
2260 | uentry_setType (e2, ctype_unknown); | |
2261 | uentry_setFunctionDefined (e2, loc); | |
2262 | uentry_setUsed (e2, fileloc_undefined); | |
2263 | context_enterUnknownMacro (e2); | |
2264 | } | |
2265 | else | |
2266 | { | |
2267 | if (uentry_isIter (e2)) | |
2268 | { | |
2269 | isiter = TRUE; | |
2270 | specparams = uentry_getParams (e2); | |
2271 | noparams = uentryList_size (specparams); | |
2272 | uentry_setDefined (e2, loc); | |
2273 | context_enterIterDef (e2); | |
2274 | } | |
2275 | else if (uentry_isEndIter (e2)) | |
2276 | { | |
2277 | isenditer = TRUE; | |
2278 | uentry_setDefined (e2, loc); | |
2279 | context_enterIterEnd (e2); /* don't care about it now */ | |
2280 | /* but should parse like an iter! */ | |
2281 | } | |
2282 | else if (uentry_isConstant (e2)) | |
2283 | { | |
2284 | if (hasParams) | |
2285 | { | |
2286 | voptgenerror | |
2287 | (FLG_INCONDEFS, | |
2288 | message ("Constant %s implemented as parameterized macro", | |
2289 | fname), | |
2290 | g_currentloc); | |
2291 | ||
2292 | uentry_showWhereSpecified (e2); | |
2293 | uentry_setType (e2, ctype_unknown); | |
2294 | uentry_makeConstantFunction (e2); | |
2295 | uentry_setDefined (e2, g_currentloc); | |
2296 | uentry_setFunctionDefined (e2, g_currentloc); | |
2297 | context_enterUnknownMacro (e2); | |
2298 | } | |
2299 | else | |
2300 | { | |
2301 | if (!uentry_isSpecified (e2)) | |
2302 | { | |
2303 | fileloc oloc = uentry_whereDeclared (e2); | |
2304 | ||
2305 | if (fileloc_isLib (oloc)) | |
2306 | { | |
2307 | ; | |
2308 | } | |
2309 | else if (fileloc_isUndefined (oloc) | |
2310 | || fileloc_isPreproc (oloc)) | |
2311 | { | |
2312 | if (!emptyMacro) | |
2313 | { | |
2314 | voptgenerror | |
2315 | (FLG_MACROCONSTDECL, | |
2316 | message | |
2317 | ("Macro constant %q not declared", | |
2318 | uentry_getName (e2)), | |
2319 | loc); | |
2320 | } | |
2321 | } | |
2322 | else if (!fileloc_withinLines (oloc, loc, 2)) | |
2323 | { /* bogus! will give errors if there is too much whitespace */ | |
2324 | voptgenerror | |
2325 | (FLG_SYNTAX, | |
2326 | message | |
2327 | ("Macro constant name %s does not match name in " | |
2328 | "previous constant declaration. This constant " | |
2329 | "is declared at %q", fname, | |
2330 | fileloc_unparse (oloc)), | |
2331 | loc); | |
2332 | } | |
2333 | else | |
2334 | { | |
2335 | /* No warning */ | |
2336 | } | |
2337 | } | |
2338 | ||
2339 | context_enterConstantMacro (e2); | |
2340 | cstring_free (fname); | |
2341 | fileloc_free (loc); | |
2342 | return res; | |
2343 | } | |
2344 | ||
2345 | } | |
2346 | else if (ctype_isFunction (ct)) | |
2347 | { | |
2348 | isspecfcn = TRUE; | |
2349 | specparams = ctype_argsFunction (ct); | |
2350 | noparams = uentryList_size (specparams); | |
2351 | ||
2352 | uentry_setFunctionDefined (e2, loc); | |
2353 | context_enterMacro (e2); | |
2354 | } | |
2355 | else if (uentry_isVar (e2)) | |
2356 | { | |
2357 | if (hasParams) | |
2358 | { | |
2359 | voptgenerror | |
2360 | (FLG_INCONDEFS, | |
2361 | message ("Variable %s implemented as parameterized macro", | |
2362 | fname), | |
2363 | loc); | |
2364 | ||
2365 | uentry_showWhereSpecified (e2); | |
2366 | uentry_setType (e2, ctype_unknown); | |
2367 | uentry_makeVarFunction (e2); | |
2368 | uentry_setDefined (e2, g_currentloc); | |
2369 | uentry_setFunctionDefined (e2, g_currentloc); | |
2370 | context_enterUnknownMacro (e2); | |
2371 | } | |
2372 | else | |
2373 | { | |
2374 | uentry ucons = uentry_makeConstant (fname, | |
2375 | ctype_unknown, | |
2376 | loc); | |
2377 | if (uentry_isExpandedMacro (e2)) | |
2378 | { | |
2379 | ; /* okay */ | |
2380 | } | |
2381 | else | |
2382 | { | |
2383 | if (optgenerror | |
2384 | (FLG_INCONDEFS, | |
2385 | message ("Variable %s implemented by a macro", | |
2386 | fname), | |
2387 | loc)) | |
2388 | { | |
2389 | uentry_showWhereSpecified (e2); | |
2390 | } | |
2391 | } | |
2392 | ||
2393 | uentry_setDefined (e2, loc); | |
2394 | uentry_setUsed (ucons, loc); | |
2395 | ||
2396 | context_enterConstantMacro (ucons); | |
2397 | uentry_markOwned (ucons); | |
2398 | cstring_free (fname); | |
2399 | return res; | |
2400 | } | |
2401 | } | |
2402 | else | |
2403 | { | |
2404 | if (uentry_isDatatype (e2)) | |
2405 | { | |
2406 | vgenhinterror | |
2407 | (FLG_SYNTAX, | |
2408 | message ("Type implemented as macro: %x", | |
2409 | uentry_getName (e2)), | |
2410 | message ("A type is implemented using a macro definition. A " | |
2411 | "typedef should be used instead."), | |
2412 | g_currentloc); | |
2413 | ||
2414 | cscannerHelp_swallowMacro (); | |
2415 | /* Must exit scope (not sure why a new scope was entered?) */ | |
2416 | usymtab_quietExitScope (g_currentloc); | |
2417 | uentry_setDefined (e2, g_currentloc); | |
2418 | res = FALSE; | |
2419 | } | |
2420 | else | |
2421 | { | |
2422 | llcontbug | |
2423 | (message ("Unexpanded macro not function or constant: %q", | |
2424 | uentry_unparse (e2))); | |
2425 | uentry_setType (e2, ctype_unknown); | |
2426 | ||
2427 | if (hasParams) | |
2428 | { | |
2429 | uentry_makeVarFunction (e2); | |
2430 | uentry_setDefined (e2, g_currentloc); | |
2431 | uentry_setFunctionDefined (e2, g_currentloc); | |
2432 | context_enterUnknownMacro (e2); | |
2433 | } | |
2434 | } | |
2435 | } | |
2436 | } | |
2437 | } | |
2438 | } | |
2439 | else | |
2440 | { | |
2441 | uentry ce; | |
2442 | ||
2443 | /* evans 2001-09-09 - if it has params, assume a function */ | |
2444 | if (hasParams) | |
2445 | { | |
2446 | voptgenerror | |
2447 | (FLG_MACROMATCHNAME, | |
2448 | message ("Unexpanded macro %s does not match name of a declared " | |
2449 | "function. The name used in the control " | |
2450 | "comment on the previous line should match.", | |
2451 | fname), | |
2452 | loc); | |
2453 | ||
2454 | ce = uentry_makeFunction (fname, ctype_unknown, | |
2455 | typeId_invalid, | |
2456 | globSet_undefined, | |
2457 | sRefSet_undefined, | |
2458 | warnClause_undefined, | |
2459 | fileloc_undefined); | |
2460 | uentry_setUsed (ce, loc); /* perhaps bogus? */ | |
2461 | e2 = usymtab_supEntryReturn (ce); | |
2462 | context_enterUnknownMacro (e2); | |
2463 | } | |
2464 | else | |
2465 | { | |
2466 | voptgenerror | |
2467 | (FLG_MACROMATCHNAME, | |
2468 | message ("Unexpanded macro %s does not match name of a constant " | |
2469 | "or iter declaration. The name used in the control " | |
2470 | "comment on the previous line should match. " | |
2471 | "(Assuming macro defines a constant.)", | |
2472 | fname), | |
2473 | loc); | |
2474 | ||
2475 | ce = uentry_makeConstant (fname, ctype_unknown, fileloc_undefined); | |
2476 | uentry_setUsed (ce, loc); /* perhaps bogus? */ | |
2477 | e2 = usymtab_supEntryReturn (ce); | |
2478 | ||
2479 | context_enterConstantMacro (e2); | |
2480 | cstring_free (fname); | |
2481 | fileloc_free (loc); | |
2482 | return res; | |
2483 | } | |
2484 | } | |
2485 | ||
2486 | /* in macros, ( must follow immediatetly after name */ | |
2487 | ||
2488 | if (hasParams) | |
2489 | { | |
2490 | int paramno = 0; | |
2491 | ||
2492 | c = skip_whitespace (); | |
2493 | ||
2494 | while (c != ')' && c != '\0') | |
2495 | { | |
2496 | uentry param; | |
2497 | bool suppress = context_inSuppressRegion (); | |
2498 | cstring paramname = cstring_undefined; | |
2499 | ||
2500 | /* | |
2501 | ** save the parameter location | |
2502 | */ | |
2503 | ||
2504 | decColumn (); | |
2505 | context_saveLocation (); | |
2506 | incColumn (); | |
2507 | ||
2508 | while (c != ' ' && c != '\t' && c != ',' && c != '\0' && c != ')') | |
2509 | { | |
2510 | paramname = cstring_appendChar (paramname, c); | |
2511 | c = macro_nextChar (); | |
2512 | } | |
2513 | ||
2514 | if (c == ' ' || c == '\t') c = skip_whitespace (); | |
2515 | ||
2516 | if (c == ',') | |
2517 | { | |
2518 | c = macro_nextChar (); | |
2519 | if (c == ' ' || c == '\t') c = skip_whitespace (); | |
2520 | } | |
2521 | ||
2522 | if (c == '\0') | |
2523 | { | |
2524 | llfatalerror (cstring_makeLiteral | |
2525 | ("Bad macro syntax: uentryList")); | |
2526 | } | |
2527 | ||
2528 | if ((isspecfcn || isiter) && (paramno < noparams) | |
2529 | && !uentry_isElipsisMarker (uentryList_getN | |
2530 | (specparams, paramno))) | |
2531 | { | |
2532 | fileloc sloc = context_getSaveLocation (); | |
2533 | uentry decl = uentryList_getN (specparams, paramno); | |
2534 | sRef sr; | |
2535 | ||
2536 | param = uentry_nameCopy (paramname, decl); | |
2537 | ||
2538 | uentry_setParam (param); | |
2539 | sr = sRef_makeParam (paramno, uentry_getType (param), | |
2540 | stateInfo_makeLoc (sloc, SA_DECLARED)); | |
2541 | ||
2542 | if (sRef_getNullState (sr) == NS_ABSNULL) | |
2543 | { | |
2544 | ctype pt = ctype_realType (uentry_getType (param)); | |
2545 | ||
2546 | if (ctype_isUser (pt)) | |
2547 | { | |
2548 | uentry te = usymtab_getTypeEntrySafe (ctype_typeId (pt)); | |
2549 | ||
2550 | if (uentry_isValid (te)) | |
2551 | { | |
2552 | sRef_setStateFromUentry (sr, te); | |
2553 | } | |
2554 | } | |
2555 | else | |
2556 | { | |
2557 | sRef_setNullState (sr, NS_UNKNOWN, sloc); | |
2558 | } | |
2559 | } | |
2560 | ||
2561 | uentry_setSref (param, sr); | |
2562 | uentry_setDeclaredForceOnly (param, sloc); | |
2563 | ||
2564 | skipparam = isiter && uentry_isOut (uentryList_getN (specparams, paramno)); | |
2565 | } | |
2566 | else | |
2567 | { | |
2568 | fileloc sloc = context_getSaveLocation (); | |
2569 | ||
2570 | param = uentry_makeVariableSrefParam | |
2571 | (paramname, ctype_unknown, fileloc_copy (sloc), | |
2572 | sRef_makeParam (paramno, ctype_unknown, | |
2573 | stateInfo_makeLoc (sloc, SA_DECLARED))); | |
2574 | DPRINTF (("Unknown param: %s", uentry_unparseFull (param))); | |
2575 | cstring_free (paramname); | |
2576 | ||
2577 | sRef_setPosNull (uentry_getSref (param), sloc); | |
2578 | uentry_setDeclaredForce (param, sloc); | |
2579 | ||
2580 | skipparam = FALSE; | |
2581 | fileloc_free (sloc); | |
2582 | } | |
2583 | ||
2584 | if (!skipparam) | |
2585 | { | |
2586 | llassert (!uentry_isElipsisMarker (param)); | |
2587 | ||
2588 | if (!suppress) | |
2589 | { | |
2590 | sRef_makeUnsafe (uentry_getSref (param)); | |
2591 | } | |
2592 | ||
2593 | pn = uentryList_add (pn, uentry_copy (param)); | |
2594 | usymtab_supEntry (param); | |
2595 | } | |
2596 | else | |
2597 | { | |
2598 | /* don't add param */ | |
2599 | uentry_free (param); | |
2600 | } | |
2601 | ||
2602 | if (c == ',') | |
2603 | { | |
2604 | (void) macro_nextChar (); | |
2605 | c = skip_whitespace (); | |
2606 | } | |
2607 | ||
2608 | paramno++; | |
2609 | } | |
2610 | ||
2611 | if (c == ')') | |
2612 | { | |
2613 | if (isspecfcn || isiter) | |
2614 | { | |
2615 | if (paramno != noparams && noparams >= 0) | |
2616 | { | |
2617 | cscannerHelp_advanceLine (); | |
2618 | ||
2619 | voptgenerror | |
2620 | (FLG_INCONDEFS, | |
2621 | message ("Macro %s specified with %d args, defined with %d", | |
2622 | fname, noparams, paramno), | |
2623 | g_currentloc); | |
2624 | ||
2625 | uentry_showWhereSpecified (e2); | |
2626 | uentry_resetParams (e2, pn); | |
2627 | } | |
2628 | } | |
2629 | else | |
2630 | { | |
2631 | uentry_resetParams (e2, pn); | |
2632 | } | |
2633 | } | |
2634 | } | |
2635 | else | |
2636 | { | |
2637 | /* | |
2638 | ** the form should be: | |
2639 | ** | |
2640 | ** # define newname oldname | |
2641 | ** where oldname refers to a function matching the specification | |
2642 | ** of newname. | |
2643 | */ | |
2644 | ||
2645 | if (unknownm) | |
2646 | { | |
2647 | sRef_setGlobalScope (); | |
2648 | usymtab_supGlobalEntry (uentry_makeVariableLoc (fname, ctype_unknown)); | |
2649 | sRef_clearGlobalScope (); | |
2650 | } | |
2651 | else | |
2652 | { | |
2653 | context_setMacroMissingParams (); | |
2654 | } | |
2655 | } | |
2656 | ||
2657 | ||
2658 | /* context_setuentryList (pn); */ | |
2659 | usymtab_enterScope (); | |
2660 | ||
2661 | fileloc_free (loc); | |
2662 | cstring_free (fname); | |
2663 | ||
2664 | return res; | |
2665 | } | |
2666 | ||
2667 | void cscannerHelp_setTokLength (int len) | |
2668 | { | |
2669 | addColumn (len); | |
2670 | s_tokLength = len; | |
2671 | DPRINTF (("Set tok length: %d", len)); | |
2672 | } | |
2673 | ||
2674 | void cscannerHelp_setTokLengthT (size_t len) | |
2675 | { | |
2676 | cscannerHelp_setTokLength (size_toInt (len)); | |
2677 | } | |
2678 | ||
2679 | void cscannerHelp_advanceLine (void) | |
2680 | { | |
2681 | s_tokLength = 0; | |
2682 | beginLine (); | |
2683 | } | |
2684 | ||
2685 | int cscannerHelp_returnToken (int t) | |
2686 | { | |
2687 | yylval.tok = lltok_create (t, fileloc_decColumn (g_currentloc, s_tokLength)); | |
2688 | s_tokLength = 0; | |
2689 | s_lastWasString = FALSE; | |
2690 | return (t); | |
2691 | } | |
2692 | ||
2693 | int cscannerHelp_returnTokenLength (int t, int length) | |
2694 | { | |
2695 | cscannerHelp_setTokLength (length); | |
2696 | return cscannerHelp_returnToken (t); | |
2697 | } | |
2698 | ||
2699 | int cscannerHelp_returnString (cstring s) | |
2700 | { | |
2701 | yylval.expr = exprNode_stringLiteral (s, fileloc_decColumn (g_currentloc, s_tokLength)); | |
2702 | s_tokLength = 0; | |
2703 | s_lastWasString = TRUE; | |
2704 | return (CCONSTANT); | |
2705 | } | |
2706 | ||
2707 | int cscannerHelp_returnInt (ctype ct, long val) | |
2708 | { | |
2709 | ctype c = ct; | |
2710 | ||
2711 | if (ctype_equal (ct, ctype_int)) | |
2712 | { | |
2713 | if (val == 0) | |
2714 | { | |
2715 | c = context_typeofZero (); | |
2716 | } | |
2717 | else if (val == 1) | |
2718 | { | |
2719 | c = context_typeofOne (); | |
2720 | } | |
2721 | else | |
2722 | { | |
2723 | ; | |
2724 | } | |
2725 | } | |
2726 | ||
2727 | yylval.expr = exprNode_numLiteral (c, cstring_fromChars (yytext), | |
2728 | fileloc_decColumn (g_currentloc, s_tokLength), | |
2729 | val); | |
2730 | s_tokLength = 0; | |
2731 | s_lastWasString = FALSE; | |
2732 | return (CCONSTANT); | |
2733 | } | |
2734 | ||
2735 | int cscannerHelp_returnFloat (ctype ct, double f) | |
2736 | { | |
2737 | yylval.expr = exprNode_floatLiteral (f, ct, cstring_fromChars (yytext), | |
2738 | fileloc_decColumn (g_currentloc, s_tokLength)); | |
2739 | s_tokLength = 0; | |
2740 | s_lastWasString = FALSE; | |
2741 | return (CCONSTANT); | |
2742 | } | |
2743 | ||
2744 | int cscannerHelp_returnChar (char c) | |
2745 | { | |
2746 | yylval.expr = exprNode_charLiteral (c, cstring_fromChars (yytext), | |
2747 | fileloc_decColumn (g_currentloc, s_tokLength)); | |
2748 | s_tokLength = 0; | |
2749 | s_lastWasString = FALSE; | |
2750 | return (CCONSTANT); | |
2751 | } | |
2752 | ||
2753 | int cscannerHelp_returnType (int tok, ctype ct) | |
2754 | { | |
2755 | yylval.ctyp = ct; | |
2756 | s_tokLength = 0; | |
2757 | s_lastWasString = FALSE; | |
2758 | return tok; | |
2759 | } | |
2760 | ||
2761 | int cscannerHelp_returnExpr (exprNode e) | |
2762 | { | |
2763 | yylval.expr = e; | |
2764 | s_tokLength = 0; | |
2765 | s_lastWasString = TRUE; | |
2766 | return (CCONSTANT); | |
2767 | } | |
2768 | ||
2769 | void cscannerHelp_setExpectingTypeName () | |
2770 | { | |
2771 | s_expectingTypeName = TRUE; | |
2772 | } | |
2773 | ||
2774 | void cscannerHelp_clearExpectingTypeName () | |
2775 | { | |
2776 | s_expectingTypeName = FALSE; | |
2777 | } | |
2778 | ||
2779 | bool cscannerHelp_isExpectingTypeName () | |
2780 | { | |
2781 | return s_expectingTypeName; | |
2782 | } | |
2783 | ||
2784 | int cscannerHelp_processTextIdentifier (char *text) | |
2785 | { | |
2786 | context_saveLocation (); | |
2787 | cscannerHelp_setTokLength (size_toInt (mstring_length (text))); | |
2788 | return cscannerHelp_processIdentifier (cscannerHelp_makeIdentifier (text)); | |
2789 | } | |
2790 | ||
2791 | static bool s_continueLine = FALSE; | |
2792 | ||
2793 | int cscannerHelp_handleNewLine () | |
2794 | { | |
2795 | context_incLineno (); | |
2796 | ||
2797 | if (s_tokLength != 0) { | |
2798 | s_tokLength = 0; | |
2799 | /* No error to report | |
2800 | voptgenerror | |
2801 | (FLG_SYNTAX, | |
2802 | message ("Likely parse error: token spans multiple lines."), | |
2803 | g_currentloc); | |
2804 | */ | |
2805 | } | |
2806 | ||
2807 | if (s_continueLine) | |
2808 | { | |
2809 | s_continueLine = FALSE; | |
2810 | } | |
2811 | else | |
2812 | { | |
2813 | if (context_inMacro ()) | |
2814 | { | |
2815 | /* Don't use return cscannerHelp_returnToken */ | |
2816 | /* !!! evans 2002-03-13 */ | |
2817 | yylval.tok = lltok_create (TENDMACRO, fileloc_copy (g_currentloc)); | |
2818 | s_lastWasString = FALSE; | |
2819 | return TENDMACRO; | |
2820 | } | |
2821 | } | |
2822 | ||
2823 | return BADTOK; | |
2824 | } | |
2825 | ||
2826 | void cscannerHelp_setContinueLine () | |
2827 | { | |
2828 | s_continueLine = TRUE; | |
2829 | } | |
2830 | ||
2831 | void cscannerHelp_exitSpecPart () | |
2832 | { | |
2833 | llassert (s_inSpecPart); | |
2834 | s_inSpecPart = FALSE; | |
2835 | s_whichSpecPart = BADTOK; | |
2836 | } |