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616915dd | 1 | /* |
2 | ** LCLint - annotation-assisted static program checker | |
3 | ** Copyright (C) 1994-2000 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 lclint: lclint-request@cs.virginia.edu | |
21 | ** To report a bug: lclint-bug@cs.virginia.edu | |
22 | ** For more information: http://lclint.cs.virginia.edu | |
23 | */ | |
24 | /* | |
25 | ** llerror.c | |
26 | ** | |
27 | ** error reporting procedures | |
28 | */ | |
29 | ||
30 | # include "lclintMacros.nf" | |
31 | # include <string.h> | |
32 | # include <errno.h> | |
33 | # include "llbasic.h" | |
34 | # include "llmain.h" | |
35 | # include "version.h" | |
36 | ||
37 | static void printIndentMessage (FILE *p_stream, /*@only@*/ cstring p_sc, int p_indent) | |
38 | /*@modifies *p_stream@*/ ; | |
39 | ||
40 | # ifndef NOLCL | |
41 | static int lclerrors = 0; | |
42 | # endif | |
43 | ||
44 | static int lastfileloclen = 10; | |
45 | static /*@only@*/ cstring lastmsg = cstring_undefined; | |
46 | static int mcount = 0; | |
47 | static /*@only@*/ cstring saveOneMessage = cstring_undefined; | |
48 | static /*@only@*/ fileloc lastparseerror = fileloc_undefined; | |
49 | static /*@only@*/ fileloc lastbug = fileloc_undefined; | |
50 | static bool llgenerrorreal (/*@only@*/ cstring p_s, fileloc p_fl, bool p_iserror, bool p_indent) | |
51 | /*@modifies g_msgstream@*/ ; | |
52 | static bool llgenerroraux (/*@only@*/ cstring p_s, fileloc p_fl, bool p_iserror, bool p_indent) | |
53 | /*@modifies g_msgstream@*/ ; | |
54 | static void printError (FILE *p_stream, /*@only@*/ cstring p_sc) | |
55 | /*@globals lastfileloclen @*/ | |
56 | /*@modifies *p_stream@*/ ; | |
57 | static void printMessage (FILE *p_stream, /*@only@*/ cstring p_s) | |
58 | /*@modifies *p_stream@*/ ; | |
59 | ||
60 | static /*@null@*/ char * | |
61 | maxcp (/*@null@*/ /*@returned@*/ char *a, /*@null@*/ /*@returned@*/ char *b) | |
62 | { | |
63 | if (a > b) return a; | |
64 | else return b; | |
65 | } | |
66 | ||
67 | static void | |
68 | printBugReport (void) | |
69 | { | |
70 | fprintf (stderr, " *** Please report bug to %s ***\n", | |
71 | LCLINT_MAINTAINER); | |
72 | llflush (); | |
73 | /* don't exit (EXIT_FAILURE); */ | |
74 | } | |
75 | ||
76 | static bool s_needsPrepare = TRUE; | |
77 | ||
78 | void prepareMessage (void) | |
79 | { | |
80 | if (context_isPreprocessing () | |
81 | && s_needsPrepare | |
82 | && context_getDebug (FLG_SHOWSCAN)) | |
83 | { | |
84 | llflush (); | |
85 | fprintf (stderr, " >\n"); | |
86 | s_needsPrepare = FALSE; | |
87 | } | |
88 | ||
89 | llflush (); | |
90 | } | |
91 | ||
92 | void closeMessage (void) | |
93 | { | |
94 | if (context_isPreprocessing () | |
95 | && context_getDebug (FLG_SHOWSCAN)) | |
96 | { | |
97 | llflush (); | |
98 | fprintf (stderr, "< more preprocessing ."); | |
99 | ||
100 | llassert (!s_needsPrepare); | |
101 | s_needsPrepare = TRUE; | |
102 | } | |
103 | else | |
104 | { | |
105 | llflush (); | |
106 | } | |
107 | } | |
108 | ||
109 | void | |
110 | llmsg (/*@only@*/ cstring s) | |
111 | { | |
112 | context_setNeednl (); | |
113 | prepareMessage (); | |
114 | printMessage (g_msgstream, s); | |
115 | closeMessage (); | |
116 | } | |
117 | ||
118 | void | |
119 | lldiagmsg (/*@only@*/ cstring s) | |
120 | { | |
121 | context_setNeednl (); | |
122 | prepareMessage (); | |
123 | printMessage (stderr, s); | |
124 | closeMessage (); | |
125 | } | |
126 | ||
127 | void | |
128 | llmsgplain (/*@only@*/ cstring s) | |
129 | { | |
130 | context_setNeednl (); | |
131 | prepareMessage (); | |
132 | printMessage (g_msgstream, s); | |
133 | closeMessage (); | |
134 | } | |
135 | ||
136 | void flagWarning (cstring s) | |
137 | { | |
138 | if (context_getFlag (FLG_WARNFLAGS)) | |
139 | { | |
140 | showHerald (); | |
141 | ||
142 | if (fileloc_isBuiltin (g_currentloc)) | |
143 | { | |
144 | llmsg (message ("Warning: %s", s)); | |
145 | } | |
146 | else | |
147 | { | |
148 | llgenmsg (message ("Warning: %s", s), g_currentloc); | |
149 | } | |
150 | } | |
151 | } | |
152 | ||
153 | static void | |
154 | llgenhint (/*@only@*/ cstring s) /*@modifies g_msgstream@*/ | |
155 | { | |
156 | context_setNeednl (); | |
157 | printIndentMessage (g_msgstream, s, 2); | |
158 | } | |
159 | ||
160 | void | |
161 | llhint (cstring s) | |
162 | { | |
163 | if (context_getFlag (FLG_HINTS) && | |
164 | !(context_inSuppressRegion () || context_inSuppressZone (g_currentloc))) | |
165 | { | |
166 | llgenhint (s); | |
167 | } | |
168 | else | |
169 | { | |
170 | cstring_free (s); | |
171 | } | |
172 | } | |
173 | ||
174 | static void | |
175 | llshowhint (flagcode f) | |
176 | { | |
177 | if (context_getFlag (FLG_HINTS)) | |
178 | { | |
179 | if ((flagcode_numReported (f) == 0) || context_getFlag (FLG_FORCEHINTS)) | |
180 | { | |
181 | cstring desc = flagcodeHint (f); | |
182 | ||
183 | if (cstring_isDefined (desc)) | |
184 | { | |
185 | llgenhint (cstring_copy (desc)); | |
186 | } | |
187 | } | |
188 | } | |
189 | } | |
190 | ||
191 | ||
192 | static void | |
193 | llsuppresshint (char c, flagcode f) | |
194 | { | |
195 | ||
196 | if (context_getFlag (FLG_HINTS)) | |
197 | { | |
198 | if ((flagcode_numReported (f) == 0) || context_getFlag (FLG_FORCEHINTS)) | |
199 | { | |
200 | cstring desc = flagcodeHint (f); | |
201 | context_setNeednl (); | |
202 | lastfileloclen = 8; | |
203 | ||
204 | if (flagcode_isNamePrefixFlag (f)) | |
205 | { | |
206 | f = FLG_NAMECHECKS; | |
207 | } | |
208 | ||
209 | if (cstring_isDefined (desc)) | |
210 | { | |
211 | llgenhint (message ("%s (%h%s will suppress message)", desc, c, | |
212 | flagcode_name (f))); | |
213 | } | |
214 | else | |
215 | { | |
216 | llgenhint (message ("(%h%s will suppress message)", c, | |
217 | flagcode_name (f))); | |
218 | } | |
219 | } | |
220 | } | |
221 | } | |
222 | ||
223 | static void | |
224 | llnosuppresshint (flagcode f) | |
225 | { | |
226 | ||
227 | if (context_getFlag (FLG_FORCEHINTS)) | |
228 | { | |
229 | cstring desc = flagcodeHint (f); | |
230 | context_setNeednl (); | |
231 | lastfileloclen = 8; | |
232 | ||
233 | if (cstring_isDefined (desc)) | |
234 | { | |
235 | printError (g_msgstream, message (" %s", desc)); | |
236 | } | |
237 | } | |
238 | } | |
239 | ||
240 | /*@constant int MAXSEARCH; @*/ | |
241 | # define MAXSEARCH 20 | |
242 | ||
243 | /*@constant int MINLINE; @*/ | |
244 | # define MINLINE 35 | |
245 | ||
246 | typedef /*@null@*/ /*@dependent@*/ char *nd_charp; | |
247 | ||
248 | static void | |
249 | mstring_split (/*@returned@*/ char **sp, | |
250 | /*@out@*/ nd_charp *tp, | |
251 | int maxline, /*@in@*/ int *indentchars) | |
252 | { | |
253 | char *nl; | |
254 | char *t; | |
255 | char *s = *sp; | |
256 | ||
257 | *tp = NULL; | |
258 | ||
259 | if (maxline < MINLINELEN) | |
260 | { | |
261 | maxline = MINLINELEN; | |
262 | } | |
263 | ||
264 | if (*indentchars > 0) | |
265 | { | |
266 | s = *sp = mstring_concatFree1 (mstring_spaces (*indentchars), s); | |
267 | } | |
268 | ||
269 | nl = strchr (s, '\n'); | |
270 | ||
271 | /* | |
272 | ** splitting: | |
273 | ** | |
274 | ** if there is a newline in first maxline characters, split there | |
275 | ** if line len is <= maxline, return no split | |
276 | ** if there is a ':' or ';' followed by ' ' in first maxline characters, | |
277 | ** split there unless the ' ' is followed by a '}', then | |
278 | ** split after '}' | |
279 | ** of the ';' is inside quotation marks | |
280 | ** if there is a space or tab in last maxsearch characters, split there | |
281 | ** else, split at maxline | |
282 | ** | |
283 | ** special code: slash [1-9] after a newline means indent the rest <n> chars | |
284 | ** | |
285 | */ | |
286 | ||
287 | if ((nl != NULL) && ((nl - s) < maxline)) | |
288 | { | |
289 | *nl = '\0'; | |
290 | t = nl + 1; | |
291 | ||
292 | if (*t == '\0') | |
293 | { | |
294 | return; | |
295 | } | |
296 | ||
297 | if (*t >= '\1' && *t <= '\7') | |
298 | { | |
299 | *indentchars += (int) (*t - '\1') + 1; | |
300 | t++; | |
301 | } | |
302 | ||
303 | *tp = t; | |
304 | return; | |
305 | } | |
306 | else if (size_toInt (strlen (s)) < maxline) | |
307 | { | |
308 | return; | |
309 | } | |
310 | else | |
311 | { | |
312 | int i = 0; | |
313 | char savechar; | |
314 | char *lcolon, *lsemi, *splitat; | |
315 | ||
316 | splitat = NULL; | |
317 | ||
318 | t = s + maxline - 1; | |
319 | savechar = *t; | |
320 | ||
321 | *t = '\0'; | |
322 | lcolon = strrchr (s, ':'); | |
323 | lsemi = strrchr (s, ';'); | |
324 | *t = savechar; | |
325 | ||
326 | splitat = maxcp (lcolon, lsemi); | |
327 | ||
328 | if (splitat != NULL && ((int)(splitat - s) > MINLINE) | |
329 | && *(splitat + 1) == ' ' && *(splitat + 2) != '}') | |
330 | { | |
331 | *(splitat + 1) = '\0'; | |
332 | t = splitat + 2; | |
333 | *tp = t; | |
334 | return; | |
335 | } | |
336 | ||
337 | while (*t != ' ' && *t != '\t' && i < MAXSEARCH) | |
338 | { | |
339 | t--; | |
340 | i++; | |
341 | } | |
342 | ||
343 | if (*t != ' ' && *t != '\t') | |
344 | { | |
345 | t = mstring_copy (s + maxline); | |
346 | *(s + maxline) = '\0'; | |
347 | ||
348 | if (*t == '\0') | |
349 | { | |
350 | sfree (t); | |
351 | return; | |
352 | } | |
353 | ||
354 | mstring_markFree (t); | |
355 | *tp = t; | |
356 | return; | |
357 | } | |
358 | else | |
359 | { | |
360 | *t = '\0'; | |
361 | t++; | |
362 | ||
363 | if (*t == '\0') return; | |
364 | ||
365 | /* | |
366 | ** returns unqualified as only | |
367 | */ | |
368 | ||
369 | *tp = t; | |
370 | return; | |
371 | } | |
372 | } | |
373 | } | |
374 | ||
375 | static | |
376 | void limitmessage (/*@only@*/ cstring s, fileloc loc) | |
377 | { | |
378 | if (mcount > context_getLimit () + 1) | |
379 | { | |
380 | cstring_free (s); | |
381 | } | |
382 | else | |
383 | { | |
384 | cstring flstring = fileloc_unparse (loc); | |
385 | ||
386 | lastfileloclen = cstring_length (flstring); | |
387 | cstring_free (saveOneMessage); | |
388 | saveOneMessage = message ("%q: %q", flstring, s); | |
389 | } | |
390 | } | |
391 | ||
392 | static int parseerrorcount = 0; | |
393 | ||
394 | void cleanupMessages () | |
395 | { | |
396 | parseerrorcount = 0; | |
397 | ||
398 | if (context_unlimitedMessages ()) | |
399 | { | |
400 | ; | |
401 | } | |
402 | else | |
403 | { | |
404 | int unprinted = mcount - context_getLimit (); | |
405 | ||
406 | if (unprinted > 0) | |
407 | { | |
408 | if (unprinted == 1 && cstring_isDefined (saveOneMessage)) | |
409 | { | |
410 | prepareMessage (); | |
411 | printError (g_msgstream, saveOneMessage); | |
412 | closeMessage (); | |
413 | saveOneMessage = cstring_undefined; | |
414 | } | |
415 | else | |
416 | { | |
417 | if (cstring_isDefined (saveOneMessage)) | |
418 | { | |
419 | /* cstring_free (saveOneMessage); */ | |
420 | saveOneMessage = cstring_undefined; | |
421 | } | |
422 | ||
423 | fprintf (g_msgstream, "%s: (%d more similar errors unprinted)\n", | |
424 | cstring_toCharsSafe (fileloc_filename (g_currentloc)), | |
425 | mcount - context_getLimit ()); | |
426 | } | |
427 | } | |
428 | } | |
429 | ||
430 | mcount = 0; | |
431 | } | |
432 | ||
433 | void | |
434 | llgenmsg (/*@only@*/ cstring s, fileloc fl) | |
435 | { | |
436 | cstring flstring = fileloc_unparse (fl); | |
437 | lastfileloclen = cstring_length (flstring); | |
438 | ||
439 | prepareMessage (); | |
440 | (void) printError (g_msgstream, message ("%q: %q", flstring, s)); | |
441 | closeMessage (); | |
442 | } | |
443 | ||
444 | void | |
445 | llgenindentmsg (/*@only@*/ cstring s, fileloc fl) | |
446 | { | |
447 | cstring flstring = fileloc_unparse (fl); | |
448 | ||
449 | prepareMessage (); | |
450 | (void) printIndentMessage (g_msgstream, message ("%q: %q", flstring, s), 3); | |
451 | closeMessage (); | |
452 | } | |
453 | ||
454 | void | |
455 | llgenindentmsgnoloc (/*@only@*/ cstring s) | |
456 | { | |
457 | prepareMessage (); | |
458 | (void) printIndentMessage (g_msgstream, s, 3); | |
459 | closeMessage (); | |
460 | } | |
461 | ||
462 | static bool | |
463 | llgentypeerroraux (flagcode ocode, ctype t1, exprNode e1, ctype t2, exprNode e2, | |
464 | /*@only@*/ cstring s, fileloc fl) | |
465 | { | |
466 | cstring hint = cstring_undefined; | |
467 | flagcode code = ocode; | |
468 | flagcode hcode = INVALID_FLAG; | |
469 | ctype ut1 = t1; | |
470 | ctype ut2 = t2; | |
471 | ||
472 | DPRINTF (("Type error: %s / %s : %s / %s", | |
473 | exprNode_unparse (e1), exprNode_unparse (e2), | |
474 | ctype_unparse (t1), ctype_unparse (t2))); | |
475 | ||
476 | DPRINTF (("Bool: %s / %s", | |
477 | bool_unparse (ctype_isBool (t1)), | |
478 | bool_unparse (ctype_isBool (t2)))); | |
479 | ||
480 | /* | |
481 | ** Set the flag using the underlying types that didn't match. | |
482 | */ | |
483 | ||
484 | while (ctype_isPointer (ut1) && ctype_isPointer (ut2)) { | |
485 | ut1 = ctype_baseArrayPtr (ut1); | |
486 | ut2 = ctype_baseArrayPtr (ut2); | |
487 | } | |
488 | ||
489 | if ((ctype_isFloat (ut1) && ctype_isDouble (ut2)) | |
490 | || (ctype_isFloat (ut1) && ctype_isDouble (ut2))) | |
491 | { | |
492 | hcode = FLG_FLOATDOUBLE; | |
493 | } | |
494 | else if ((exprNode_isCharLit (e1) && ctype_isInt (ut2)) | |
495 | || (exprNode_isCharLit (e2) && ctype_isInt (ut1))) | |
496 | { | |
497 | hcode = FLG_CHARINTLITERAL; | |
498 | } | |
499 | else if ((exprNode_isNumLit (e1) && ctype_isReal (ut2)) | |
500 | || (exprNode_isNumLit (e2) && ctype_isReal (ut1))) | |
501 | { | |
502 | hcode = FLG_NUMLITERAL; | |
503 | } | |
504 | else if ((ctype_isManifestBool (ut1) && ctype_isInt (ut2)) | |
505 | || (ctype_isInt (ut1) && ctype_isManifestBool (ut2))) | |
506 | /* evs 2000-07-24: was ctype_isDirectBool */ | |
507 | { | |
508 | hcode = FLG_BOOLINT; | |
509 | } | |
510 | else if (((ctype_isChar (ut1) && !ctype_isInt (ut1)) && ctype_isInt (ut2)) | |
511 | || ((ctype_isInt (ut1) && (ctype_isChar (ut2) && !ctype_isInt (ut2))))) | |
512 | { | |
513 | hcode = FLG_CHARINT; | |
514 | } | |
515 | else if ((ctype_isInt (ut1) && ctype_isInt (ut2)) | |
516 | || (ctype_isChar (ut1) && ctype_isChar (ut2)) | |
517 | || (ctype_isDouble (ut1) && ctype_isDouble (ut2))) | |
518 | { | |
519 | if (!bool_equal (ctype_isSigned (ut1), ctype_isSigned (ut2))) | |
520 | { | |
521 | hcode = FLG_IGNORESIGNS; | |
522 | } | |
523 | else | |
524 | { | |
525 | hcode = FLG_IGNOREQUALS; | |
526 | } | |
527 | } | |
528 | else if (ctype_isArbitraryIntegral (ctype_realType (ut1))) | |
529 | { | |
530 | if (ctype_isArbitraryIntegral (ctype_realType (ut2))) | |
531 | { | |
532 | hcode = FLG_MATCHANYINTEGRAL; | |
533 | } | |
534 | else if (ctype_match (ut2, ctype_ulint)) | |
535 | { | |
536 | hcode = FLG_LONGUNSIGNEDINTEGRAL; | |
537 | } | |
538 | else if (ctype_match (ut2, ctype_lint)) | |
539 | { | |
540 | hcode = FLG_LONGINTEGRAL; | |
541 | } | |
542 | else if (ctype_isInt (ut2)) | |
543 | { | |
544 | hcode = FLG_MATCHANYINTEGRAL; | |
545 | } | |
546 | else | |
547 | { | |
548 | ; | |
549 | } | |
550 | } | |
551 | else if (ctype_isArbitraryIntegral (ctype_realType (ut2))) | |
552 | { | |
553 | ctype tr = ctype_realType (ut1); | |
554 | ||
555 | if (ctype_isArbitraryIntegral (tr)) | |
556 | { | |
557 | hcode = FLG_MATCHANYINTEGRAL; | |
558 | } | |
559 | else if (ctype_match (ut1, ctype_ulint)) | |
560 | { | |
561 | if (ctype_isUnsignedIntegral (tr)) | |
562 | { | |
563 | hcode = FLG_LONGUNSIGNEDUNSIGNEDINTEGRAL; | |
564 | } | |
565 | else if (ctype_isSignedIntegral (tr)) | |
566 | { | |
567 | ; | |
568 | } | |
569 | else | |
570 | { | |
571 | hcode = FLG_LONGUNSIGNEDINTEGRAL; | |
572 | } | |
573 | } | |
574 | else if (ctype_match (ut1, ctype_lint)) | |
575 | { | |
576 | if (ctype_isSignedIntegral (tr)) | |
577 | { | |
578 | hcode = FLG_LONGSIGNEDINTEGRAL; | |
579 | } | |
580 | else if (ctype_isSignedIntegral (tr)) | |
581 | { | |
582 | ; | |
583 | } | |
584 | else | |
585 | { | |
586 | hcode = FLG_LONGINTEGRAL; | |
587 | } | |
588 | } | |
589 | else if (ctype_isInt (ut1)) | |
590 | { | |
591 | hcode = FLG_MATCHANYINTEGRAL; | |
592 | } | |
593 | else | |
594 | { | |
595 | ; | |
596 | } | |
597 | } | |
598 | else if (ctype_isAbstract (ut1) && !ctype_isAbstract (ut2)) | |
599 | { | |
600 | uentry ue1 = usymtab_getTypeEntry (ctype_typeId (ut1)); | |
601 | ctype ct = uentry_getType (ue1); | |
602 | ||
603 | if (ctype_match (ct, ut2)) | |
604 | { | |
605 | code = FLG_ABSTRACT; | |
606 | hint = message ("Underlying types match, but %s is an " | |
607 | "abstract type that is not accessible here.", | |
608 | ctype_unparse (t1)); | |
609 | } | |
610 | } | |
611 | else if (ctype_isAbstract (ut2) && !ctype_isAbstract (ut1)) | |
612 | { | |
613 | uentry ue = usymtab_getTypeEntry (ctype_typeId (ut2)); | |
614 | ctype ct = uentry_getType (ue); | |
615 | ||
616 | if (ctype_match (ct, ut1)) | |
617 | { | |
618 | code = FLG_ABSTRACT; | |
619 | hint = message ("Underlying types match, but %s is an " | |
620 | "abstract type that is not accessible here.", | |
621 | ctype_unparse (t2)); | |
622 | } | |
623 | } | |
624 | else if ((ctype_isEnum (ut1) && ctype_isArbitraryIntegral (ut2)) | |
625 | || (ctype_isEnum (ut2) && ctype_isArbitraryIntegral (ut1))) | |
626 | { | |
627 | code = FLG_ENUMINT; | |
628 | } | |
629 | else if ((ctype_isEnum (ut1) && ctype_isArbitraryIntegral (ut2)) | |
630 | || (ctype_isEnum (ut2) && ctype_isArbitraryIntegral (ut1))) | |
631 | { | |
632 | code = FLG_ENUMINT; | |
633 | } | |
634 | else if ((ctype_isSignedChar (ut1) && ctype_isUnsignedChar (ut2)) | |
635 | || (ctype_isUnsignedChar (ut1) && ctype_isSignedChar (ut2))) | |
636 | { | |
637 | code = FLG_CHARUNSIGNEDCHAR; | |
638 | } | |
639 | else if (ctype_isNumeric (ut1) && ctype_isNumeric (ut2)) | |
640 | { | |
641 | code = FLG_RELAXTYPES; | |
642 | } | |
643 | else | |
644 | { | |
645 | DPRINTF (("No special type rule: %s / %s", ctype_unparse (ut1), | |
646 | ctype_unparse (ut2))); | |
647 | } | |
648 | ||
649 | if (cstring_isDefined (hint)) | |
650 | { | |
651 | if (!context_suppressFlagMsg (ocode, fl)) | |
652 | { | |
653 | return llgenhinterror (code, s, hint, fl); | |
654 | } | |
655 | else | |
656 | { | |
657 | cstring_free (s); | |
658 | cstring_free (hint); | |
659 | return FALSE; | |
660 | } | |
661 | } | |
662 | else | |
663 | { | |
664 | if (llgenerroraux (s, fl, TRUE, FALSE)) | |
665 | { | |
666 | if (hcode != INVALID_FLAG && hcode != ocode) | |
667 | { | |
668 | code = hcode; | |
669 | llshowhint (code); | |
670 | ||
671 | } | |
672 | else | |
673 | { | |
674 | llsuppresshint ('-', code); | |
675 | } | |
676 | ||
677 | flagcode_recordError (code); | |
678 | return TRUE; | |
679 | } | |
680 | ||
681 | return FALSE; | |
682 | } | |
683 | } | |
684 | ||
685 | bool | |
686 | llgentypeerror (ctype t1, exprNode e1, ctype t2, exprNode e2, | |
687 | /*@only@*/ cstring s, fileloc fl) | |
688 | { | |
689 | return llgentypeerroraux (FLG_TYPE, t1, e1, t2, e2, s, fl); | |
690 | } | |
691 | ||
692 | bool | |
693 | llgenformattypeerror (ctype t1, exprNode e1, ctype t2, exprNode e2, | |
694 | /*@only@*/ cstring s, fileloc fl) | |
695 | { | |
696 | return llgentypeerroraux (FLG_FORMATTYPE, t1, e1, t2, e2, s, fl); | |
697 | } | |
698 | ||
699 | bool | |
700 | llgenerror (flagcode o, /*@only@*/ cstring s, fileloc fl) | |
701 | { | |
702 | if (llgenerroraux (s, fl, TRUE, FALSE)) | |
703 | { | |
704 | llnosuppresshint (o); | |
705 | flagcode_recordError (o); | |
706 | closeMessage (); | |
707 | return TRUE; | |
708 | } | |
709 | else | |
710 | { | |
711 | flagcode_recordSuppressed (o); | |
712 | return FALSE; | |
713 | } | |
714 | } | |
715 | ||
716 | bool | |
717 | llgenhinterror (flagcode o, /*@only@*/ cstring s, /*@only@*/ cstring hint, | |
718 | fileloc fl) | |
719 | { | |
720 | if (!context_suppressFlagMsg (o, fl)) | |
721 | { | |
722 | if (llgenerroraux (s, fl, TRUE, FALSE)) | |
723 | { | |
724 | flagcode_recordError (o); | |
725 | ||
726 | if (context_getFlag (FLG_HINTS)) | |
727 | { | |
728 | llgenhint (hint); | |
729 | } | |
730 | else | |
731 | { | |
732 | cstring_free (hint); | |
733 | } | |
734 | ||
735 | closeMessage (); | |
736 | return TRUE; | |
737 | } | |
738 | ||
739 | cstring_free (hint); | |
740 | } | |
741 | else | |
742 | { | |
743 | cstring_free (hint); | |
744 | cstring_free (s); | |
745 | } | |
746 | ||
747 | flagcode_recordSuppressed (o); | |
748 | return FALSE; | |
749 | } | |
750 | ||
751 | static bool | |
752 | llrealerror (/*@only@*/ cstring s, fileloc fl) | |
753 | { | |
754 | return (llgenerrorreal (s, fl, TRUE, FALSE)); | |
755 | } | |
756 | ||
757 | static bool | |
758 | llgenerroraux (/*@only@*/ cstring s, fileloc fl, bool iserror, bool indent) | |
759 | { | |
760 | ||
761 | if (context_inSuppressZone (fl)) | |
762 | { | |
763 | cstring_free (s); | |
764 | return FALSE; | |
765 | } | |
766 | else | |
767 | { | |
768 | ; | |
769 | } | |
770 | ||
771 | return (llgenerrorreal (s, fl, iserror, indent)); | |
772 | } | |
773 | ||
774 | void | |
775 | llforceerror (flagcode code, /*@only@*/ cstring s, fileloc fl) | |
776 | { | |
777 | flagcode_recordError (code); | |
778 | (void) llgenerrorreal (s, fl, TRUE, FALSE); | |
779 | closeMessage (); | |
780 | } | |
781 | ||
782 | static bool | |
783 | llgenerrorreal (/*@only@*/ cstring s, fileloc fl, bool iserror, bool indent) | |
784 | { | |
785 | cstring flstring; | |
786 | ||
787 | /* duplicate message (rescanning a header file */ | |
788 | ||
789 | if (!messageLog_add (context_messageLog (), fl, s)) | |
790 | { | |
791 | cstring_free (s); | |
792 | return FALSE; | |
793 | } | |
794 | ||
795 | if (iserror) context_hasError (); | |
796 | ||
797 | if (context_unlimitedMessages ()) | |
798 | { | |
799 | ; | |
800 | } | |
801 | else | |
802 | { | |
803 | /* | |
804 | ** suppress excessive messages: | |
805 | ** check up to ':' | |
806 | ** | |
807 | */ | |
808 | ||
809 | char *sc = cstring_toCharsSafe (s); | |
810 | char *tmpmsg = strchr (sc, ':'); | |
811 | ||
812 | if (tmpmsg == NULL) | |
813 | { | |
814 | tmpmsg = sc; | |
815 | } | |
816 | else | |
817 | { | |
818 | char *savechar = tmpmsg; | |
819 | *tmpmsg = '\0'; | |
820 | tmpmsg = sc; | |
821 | *savechar = ':'; | |
822 | } | |
823 | ||
824 | if (cstring_equal (lastmsg, cstring_fromChars (tmpmsg))) | |
825 | { | |
826 | mcount++; | |
827 | if (mcount == (context_getLimit () + 1)) | |
828 | { | |
829 | limitmessage (s, fl); | |
830 | return FALSE; | |
831 | } | |
832 | ||
833 | if (mcount > (context_getLimit ())) | |
834 | { | |
835 | cstring_free (s); | |
836 | return FALSE; | |
837 | } | |
838 | } | |
839 | else | |
840 | { | |
841 | cleanupMessages (); | |
842 | mcount = 0; | |
843 | cstring_free (lastmsg); | |
844 | lastmsg = cstring_fromCharsNew (tmpmsg); | |
845 | } | |
846 | } | |
847 | ||
848 | if (context_hasAliasAnnote ()) | |
849 | { | |
850 | char *sc = cstring_toCharsSafe (s); | |
851 | char *fcolon = strchr (sc, ':'); | |
852 | cstring a = context_getAliasAnnote (); | |
853 | ||
854 | ||
855 | if (fcolon == NULL) | |
856 | { | |
857 | s = message ("%q (%q)", s, a); | |
858 | } | |
859 | else | |
860 | { | |
861 | cstring afterColon; | |
862 | ||
863 | *fcolon = '\0'; | |
864 | afterColon = cstring_fromCharsNew (fcolon + 1); | |
865 | ||
866 | s = message ("%q (%q):%q", s, a, afterColon); | |
867 | } | |
868 | } | |
869 | ||
870 | if (context_hasMessageAnnote ()) | |
871 | { | |
872 | char *fcolon = strchr (cstring_toCharsSafe (s), ':'); | |
873 | ||
874 | ||
875 | if (fcolon == NULL) | |
876 | { | |
877 | /*@-dependenttrans@*/ /* s becomes dependent for fcolon */ | |
878 | s = message ("%q (%q)", s, context_getMessageAnnote ()); | |
879 | /*@=dependenttrans@*/ | |
880 | } | |
881 | else | |
882 | { | |
883 | cstring afterColon; | |
884 | ||
885 | *fcolon = '\0'; | |
886 | afterColon = cstring_fromCharsNew (fcolon + 1); | |
887 | ||
888 | /*@-dependenttrans@*/ /* s becomes dependent for fcolon */ | |
889 | s = message ("%q (%q):%q", s, | |
890 | context_getMessageAnnote (), afterColon); | |
891 | /*@=dependenttrans@*/ | |
892 | } | |
893 | } | |
894 | ||
895 | context_setNeednl (); | |
896 | prepareMessage (); | |
897 | ||
898 | if (context_showFunction ()) | |
899 | { | |
900 | cstring fname = fileloc_unparseFilename (g_currentloc); | |
901 | ||
902 | if (context_inIterDef ()) | |
903 | { | |
904 | fprintf (g_msgstream, "%s: (in iter %s)\n", | |
905 | cstring_toCharsSafe (fname), | |
906 | cstring_toCharsSafe (context_inFunctionName ())); | |
907 | } | |
908 | else if (context_inIterEnd ()) | |
909 | { | |
910 | fprintf (g_msgstream, "%s: (in iter finalizer %s)\n", | |
911 | cstring_toCharsSafe (fname), | |
912 | cstring_toCharsSafe (context_inFunctionName ())); | |
913 | } | |
914 | else if (context_inMacro ()) | |
915 | { | |
916 | fprintf (g_msgstream, "%s: (in macro %s)\n", cstring_toCharsSafe (fname), | |
917 | cstring_toCharsSafe (context_inFunctionName ())); | |
918 | } | |
919 | else | |
920 | { | |
921 | fprintf (g_msgstream, "%s: (in function %s)\n", | |
922 | cstring_toCharsSafe (fname), | |
923 | cstring_toCharsSafe (context_inFunctionName ())); | |
924 | } | |
925 | ||
926 | cstring_free (fname); | |
927 | context_setShownFunction (); | |
928 | } | |
929 | ||
930 | flstring = fileloc_unparse (fl); | |
931 | ||
932 | lastfileloclen = cstring_length (flstring); | |
933 | ||
934 | if (indent) | |
935 | { | |
936 | printError (g_msgstream, message (" %q: %q", flstring, s)); | |
937 | } | |
938 | else | |
939 | { | |
940 | printError (g_msgstream, message ("%q: %q", flstring, s)); | |
941 | } | |
942 | ||
943 | return TRUE; | |
944 | } | |
945 | ||
946 | /* | |
947 | ** printMessage | |
948 | ** | |
949 | ** message contains no '\n' | |
950 | ** message fits in one line: print it | |
951 | ** message fits in two lines with 3-space indent after fileloc: print it | |
952 | ** split line with 5-space indent from left margin: print it | |
953 | ** | |
954 | */ | |
955 | ||
956 | static | |
957 | void printMessage (FILE *stream, /*@only@*/ cstring s) | |
958 | { | |
959 | printIndentMessage (stream, s, 0); | |
960 | } | |
961 | ||
962 | static | |
963 | void printIndentMessage (FILE *stream, /*@only@*/ cstring sc, int indent) | |
964 | { | |
965 | int maxlen = context_getLineLen (); | |
966 | char *s = cstring_toCharsSafe (sc); | |
967 | ||
968 | ||
969 | do | |
970 | { | |
971 | char *t = NULL; | |
972 | char *st = s; | |
973 | ||
974 | mstring_split (&st, &t, maxlen, &indent); | |
975 | fprintf (stream, "%s\n", st); | |
976 | llassert (t != s); | |
977 | s = t; | |
978 | } while (s != NULL) ; | |
979 | ||
980 | cstring_free (sc); | |
981 | } | |
982 | ||
983 | static | |
984 | void printError (FILE *stream, /*@only@*/ cstring sc) | |
985 | { | |
986 | int maxlen = context_getLineLen (); | |
987 | int nspaces = lastfileloclen + 5; | |
988 | int nextlen = maxlen - nspaces; | |
989 | int len = cstring_length (sc); | |
990 | int indent = 0; | |
991 | char *s = cstring_toCharsSafe (sc); | |
992 | char *os = s; | |
993 | char *t = NULL; | |
994 | ||
995 | if (len < (maxlen + nextlen) && (strchr (s, '\n') == NULL)) | |
996 | { | |
997 | mstring_split (&s, &t, maxlen, &indent); | |
998 | ||
999 | fprintf (stream, "%s\n", s); | |
1000 | ||
1001 | if (t != NULL) | |
1002 | { | |
1003 | len = mstring_length (t); | |
1004 | ||
1005 | if (len < (maxlen - 3) && (strchr (t, '\n') == NULL) | |
1006 | && len > (nextlen - 1)) | |
1007 | { | |
1008 | fprintf (stream, " %s\n", t); | |
1009 | } | |
1010 | else | |
1011 | { | |
1012 | char *spaces = (char *) dmalloc ((nspaces + 1) * sizeof (*spaces)); | |
1013 | int i; | |
1014 | ||
1015 | for (i = 0; i < nspaces; i++) | |
1016 | { | |
1017 | spaces[i] = ' '; | |
1018 | } | |
1019 | ||
1020 | spaces[nspaces] = '\0'; | |
1021 | ||
1022 | while (t != NULL) | |
1023 | { | |
1024 | char *st = t; | |
1025 | mstring_split (&st, &t, nextlen, &indent); | |
1026 | fprintf (stream, "%s%s\n", spaces, st); | |
1027 | } | |
1028 | ||
1029 | sfree (spaces); | |
1030 | } | |
1031 | } | |
1032 | } | |
1033 | else | |
1034 | { | |
1035 | if (len < (maxlen + maxlen - 1) && (strchr (s, '\n') != NULL)) | |
1036 | { | |
1037 | nspaces = ((maxlen + maxlen - 1) - len) / 2; | |
1038 | ||
1039 | if (nspaces < 1) nspaces = 1; | |
1040 | ||
1041 | nextlen = maxlen - nspaces; | |
1042 | ||
1043 | mstring_split (&s, &t, maxlen, &indent); | |
1044 | ||
1045 | fprintf (stream, "%s\n", s); | |
1046 | ||
1047 | if (t != NULL) | |
1048 | { | |
1049 | char *spaces = (char *) dmalloc ((nspaces + 1) * sizeof (*spaces)); | |
1050 | int i; | |
1051 | ||
1052 | for (i = 0; i < nspaces; i++) | |
1053 | { | |
1054 | spaces[i] = ' '; | |
1055 | } | |
1056 | ||
1057 | spaces[nspaces] = '\0'; | |
1058 | ||
1059 | while (t != NULL) | |
1060 | { | |
1061 | char *st = t; | |
1062 | ||
1063 | mstring_split (&st, &t, nextlen, &indent); | |
1064 | fprintf (stream, "%s%s\n", spaces, st); | |
1065 | } | |
1066 | ||
1067 | sfree (spaces); | |
1068 | } | |
1069 | } | |
1070 | else | |
1071 | { | |
1072 | nspaces = 4; | |
1073 | nextlen = maxlen - nspaces; | |
1074 | ||
1075 | mstring_split (&s, &t, maxlen, &indent); | |
1076 | ||
1077 | fprintf (stream, "%s\n", s); | |
1078 | ||
1079 | if (t != NULL) | |
1080 | { | |
1081 | char *spaces = (char *) dmalloc ((nspaces + 1) * sizeof (*spaces)); | |
1082 | int i; | |
1083 | ||
1084 | for (i = 0; i < nspaces; i++) | |
1085 | { | |
1086 | spaces[i] = ' '; | |
1087 | } | |
1088 | ||
1089 | spaces[nspaces] = '\0'; | |
1090 | ||
1091 | while (t != NULL) | |
1092 | { | |
1093 | char *st = t; | |
1094 | mstring_split (&st, &t, nextlen, &indent); | |
1095 | fprintf (stream, "%s%s\n", spaces, st); | |
1096 | } | |
1097 | ||
1098 | sfree (spaces); | |
1099 | } | |
1100 | } | |
1101 | } | |
1102 | ||
1103 | sfree (os); | |
1104 | } | |
1105 | ||
1106 | void | |
1107 | llfatalbug (/*@only@*/ cstring s) | |
1108 | { | |
1109 | prepareMessage (); | |
1110 | printError (stderr, message ("%q: *** Fatal bug: %q", | |
1111 | fileloc_unparse (g_currentloc), s)); | |
1112 | printCodePoint (); | |
1113 | printBugReport (); | |
1114 | llexit (LLFAILURE); | |
1115 | } | |
1116 | ||
1117 | # ifndef NOLCL | |
1118 | void | |
1119 | lclfatalbug (char *msg) | |
1120 | { | |
1121 | prepareMessage (); | |
1122 | printError (stderr, | |
1123 | message ("*** Fatal Bug: %s", cstring_fromChars (msg))); | |
1124 | printCodePoint (); | |
1125 | printBugReport (); | |
1126 | llexit (LLFAILURE); | |
1127 | } | |
1128 | # endif | |
1129 | ||
1130 | void | |
1131 | checkParseError (void) | |
1132 | { | |
1133 | if (fileloc_withinLines (lastparseerror, g_currentloc, 10)) | |
1134 | { | |
1135 | llfatalerror (message ("%q: Cannot recover from parse error.", | |
1136 | fileloc_unparse (g_currentloc))); | |
1137 | } | |
1138 | } | |
1139 | ||
1140 | void llbugaux (cstring file, int line, /*@only@*/ cstring s) | |
1141 | { | |
1142 | /*@unchecked@*/ | |
1143 | static int numbugs = 0; | |
1144 | static bool inbug = FALSE; | |
1145 | ||
1146 | if (inbug) | |
1147 | { | |
1148 | cstring temps = fileloc_unparseRaw (file, line); | |
1149 | ||
1150 | fprintf (stderr, "%s: Recursive bug detected: %s\n", | |
1151 | cstring_toCharsSafe (temps), | |
1152 | cstring_toCharsSafe (s)); | |
1153 | cstring_free (temps); | |
1154 | ||
1155 | llexit (LLFAILURE); | |
1156 | } | |
1157 | ||
1158 | inbug = TRUE; | |
1159 | ||
1160 | prepareMessage (); | |
1161 | ||
1162 | if (fileloc_isRealLib (g_currentloc)) | |
1163 | { | |
1164 | llfatalerror (message ("%q: Library file appears to be corrupted. Error: %q:%s", | |
1165 | fileloc_unparse (g_currentloc), | |
1166 | fileloc_unparseRaw (file, line), s)); | |
1167 | } | |
1168 | ||
1169 | if (fileloc_withinLines (lastparseerror, g_currentloc, 7)) | |
1170 | { | |
1171 | llfatalerror (message ("%q: Cannot recover from parse error.", | |
1172 | fileloc_unparse (g_currentloc))); | |
1173 | } | |
1174 | ||
1175 | (void) fflush (g_msgstream); | |
1176 | printError (stderr, message ("%q: *** Internal Bug at %q: %q [errno: %d]", | |
1177 | fileloc_unparse (g_currentloc), | |
1178 | fileloc_unparseRaw (file, line), | |
1179 | s, errno)); | |
1180 | printCodePoint (); | |
1181 | ||
1182 | (void) fflush (stderr); | |
1183 | perror ("Possible system error diagnostic: "); | |
1184 | (void) fflush (stderr); | |
1185 | ||
1186 | printBugReport (); | |
1187 | ||
1188 | numbugs++; | |
1189 | ||
1190 | if (numbugs > 5 && fileloc_withinLines (lastbug, g_currentloc, 2)) | |
1191 | { | |
1192 | llfatalerror (message ("%q: Cannot recover from last bug.", | |
1193 | fileloc_unparse (g_currentloc))); | |
1194 | } | |
1195 | ||
1196 | fprintf (stderr, " (attempting to continue, results may be incorrect)\n"); | |
1197 | fileloc_free (lastbug); | |
1198 | lastbug = fileloc_copy (g_currentloc); | |
1199 | closeMessage (); | |
1200 | ||
1201 | (void) fflush (stderr); | |
1202 | inbug = FALSE; | |
1203 | } | |
1204 | ||
1205 | # ifndef NOLCL | |
1206 | void | |
1207 | lclbug (/*@only@*/ cstring s) | |
1208 | { | |
1209 | prepareMessage (); | |
1210 | printError (stderr, message ("*** Internal Bug: %q", s)); | |
1211 | printCodePoint (); | |
1212 | printBugReport (); | |
1213 | fprintf (stderr, " (attempting to continue, results may be incorrect)\n"); | |
1214 | closeMessage (); | |
1215 | } | |
1216 | # endif | |
1217 | ||
1218 | void | |
1219 | llfatalerror (cstring s) | |
1220 | { | |
1221 | prepareMessage (); | |
1222 | printError (stderr, s); | |
1223 | printError (stderr, cstring_makeLiteral ("*** Cannot continue.")); | |
1224 | llexit (LLFAILURE); | |
1225 | } | |
1226 | ||
1227 | void | |
1228 | llfatalerrorLoc (/*@only@*/ cstring s) | |
1229 | { | |
1230 | prepareMessage (); | |
1231 | (void) fflush (g_msgstream); | |
1232 | printError (stderr, message ("%q: %q", fileloc_unparse (g_currentloc), s)); | |
1233 | printError (stderr, cstring_makeLiteral ("*** Cannot continue.")); | |
1234 | llexit (LLFAILURE); | |
1235 | } | |
1236 | ||
1237 | /* | |
1238 | ** free's s! | |
1239 | */ | |
1240 | ||
1241 | void | |
1242 | llgloberror (/*@only@*/ cstring s) | |
1243 | { | |
1244 | if (context_inSuppressRegion ()) | |
1245 | { | |
1246 | cstring_free (s); | |
1247 | } | |
1248 | else | |
1249 | { | |
1250 | context_setNeednl (); | |
1251 | prepareMessage (); | |
1252 | context_hasError (); | |
1253 | flagcode_recordError (FLG_SPECIAL); | |
1254 | printError (g_msgstream, s); | |
1255 | closeMessage (); | |
1256 | } | |
1257 | } | |
1258 | ||
1259 | # ifndef NOLCL | |
1260 | bool | |
1261 | lclHadError (void) | |
1262 | { | |
1263 | return (lclerrors > 0); | |
1264 | } | |
1265 | ||
1266 | bool | |
1267 | lclHadNewError (void) | |
1268 | { | |
1269 | static int lastcall = 0; | |
1270 | ||
1271 | if (lclerrors > lastcall) | |
1272 | { | |
1273 | lastcall = lclerrors; | |
1274 | return TRUE; | |
1275 | } | |
1276 | else | |
1277 | { | |
1278 | return FALSE; | |
1279 | } | |
1280 | } | |
1281 | ||
1282 | int | |
1283 | lclNumberErrors (void) | |
1284 | { | |
1285 | return (lclerrors); | |
1286 | } | |
1287 | ||
1288 | void | |
1289 | lclerror (ltoken t, /*@only@*/ cstring msg) | |
1290 | { | |
1291 | lclerrors++; | |
1292 | ||
1293 | if (ltoken_getCode (t) != NOTTOKEN) | |
1294 | { | |
1295 | cstring loc = ltoken_unparseLoc (t); | |
1296 | ||
1297 | lastfileloclen = cstring_length (loc); | |
1298 | ||
1299 | printError (g_msgstream, message ("%q: %q", loc, msg)); | |
1300 | } | |
1301 | else | |
1302 | { | |
1303 | printError (g_msgstream, msg); | |
1304 | } | |
1305 | } | |
1306 | ||
1307 | void | |
1308 | lclplainerror (/*@only@*/ cstring msg) | |
1309 | { | |
1310 | lclerrors++; | |
1311 | ||
1312 | printError (g_msgstream, msg); | |
1313 | } | |
1314 | ||
1315 | void | |
1316 | lclfatalerror (ltoken t, /*@only@*/ cstring msg) | |
1317 | { | |
1318 | lclerror (t, msg); | |
1319 | (void) fflush (g_msgstream); | |
1320 | printError (stderr, cstring_makeLiteral ("*** Cannot continue")); | |
1321 | llexit (LLFAILURE); | |
1322 | } | |
1323 | ||
1324 | void | |
1325 | lclplainfatalerror (/*@only@*/ cstring msg) | |
1326 | { | |
1327 | (void) fflush (g_msgstream); | |
1328 | printError (stderr, message ("*** Cannot continue: %q", msg)); | |
1329 | llexit (LLFAILURE); | |
1330 | } | |
1331 | ||
1332 | void | |
1333 | lclRedeclarationError (ltoken id) | |
1334 | { | |
1335 | cstring s = ltoken_getRawString (id); | |
1336 | ||
1337 | ||
1338 | if (usymtab_existsEither (s)) | |
1339 | { | |
1340 | uentry le = usymtab_lookupEither (s); | |
1341 | ||
1342 | lclerror (id, message ("Respecification of %s", s)); | |
1343 | llgenindentmsg (message ("Previous specification of %q", | |
1344 | uentry_getName (le)), | |
1345 | uentry_whereSpecified (le)); | |
1346 | } | |
1347 | else | |
1348 | { | |
1349 | lclerror (id, message ("Identifier redeclared: %s", s)); | |
1350 | } | |
1351 | } | |
1352 | # endif | |
1353 | ||
1354 | void genppllerror (flagcode code, /*@only@*/ cstring s) | |
1355 | { | |
1356 | if (context_inSuppressZone (g_currentloc)) | |
1357 | { | |
1358 | cstring_free (s); | |
1359 | } | |
1360 | else | |
1361 | { | |
1362 | if (context_getFlag (code)) | |
1363 | { | |
1364 | if (context_getFlag (FLG_SHOWSCAN) && !context_isInCommandLine ()) | |
1365 | { | |
1366 | fprintf (g_msgstream, " >\n"); | |
1367 | } | |
1368 | ||
1369 | llerror (code, s); | |
1370 | ||
1371 | if (code != FLG_PREPROC) | |
1372 | { | |
1373 | llsuppresshint ('-', code); | |
1374 | } | |
1375 | ||
1376 | if (context_getFlag (FLG_SHOWSCAN) && !context_isInCommandLine ()) | |
1377 | { | |
1378 | fprintf (stderr, "< more preprocessing ."); | |
1379 | } | |
1380 | } | |
1381 | else | |
1382 | { | |
1383 | cstring_free (s); | |
1384 | } | |
1385 | } | |
1386 | } | |
1387 | ||
1388 | void genppllerrorhint (flagcode code, /*@only@*/ cstring s, | |
1389 | /*@only@*/ cstring hint) | |
1390 | { | |
1391 | if (context_inSuppressZone (g_currentloc)) | |
1392 | { | |
1393 | cstring_free (s); | |
1394 | cstring_free (hint); | |
1395 | } | |
1396 | else | |
1397 | { | |
1398 | if (context_getFlag (code)) | |
1399 | { | |
1400 | prepareMessage (); | |
1401 | context_clearPreprocessing (); | |
1402 | llerror (code, s); | |
1403 | llgenhint (hint); | |
1404 | context_setPreprocessing (); | |
1405 | closeMessage (); | |
1406 | } | |
1407 | else | |
1408 | { | |
1409 | cstring_free (s); | |
1410 | cstring_free (hint); | |
1411 | } | |
1412 | } | |
1413 | } | |
1414 | ||
1415 | void ppllerror (/*@only@*/ cstring s) | |
1416 | { | |
1417 | genppllerror (FLG_PREPROC, s); | |
1418 | } | |
1419 | ||
1420 | void pplldiagmsg (cstring s) | |
1421 | { | |
1422 | if (context_getDebug (FLG_SHOWSCAN) && !context_isInCommandLine ()) | |
1423 | { | |
1424 | fprintf (stderr, " >\n"); | |
1425 | lldiagmsg (s); | |
1426 | fprintf (stderr, "< more preprocessing ."); | |
1427 | } | |
1428 | else | |
1429 | { | |
1430 | lldiagmsg (s); | |
1431 | } | |
1432 | } | |
1433 | ||
1434 | void loadllmsg (cstring s) | |
1435 | { | |
1436 | if (context_getDebug (FLG_SHOWSCAN)) | |
1437 | { | |
1438 | fprintf (stderr, " >\n"); | |
1439 | lldiagmsg (s); | |
1440 | fprintf (stderr, "< ."); | |
1441 | } | |
1442 | else | |
1443 | { | |
1444 | lldiagmsg (s); | |
1445 | } | |
1446 | } | |
1447 | ||
1448 | static void llreportparseerror (/*@only@*/ cstring s) | |
1449 | { | |
1450 | if (fileloc_withinLines (lastparseerror, g_currentloc, 5)) | |
1451 | { | |
1452 | cstring_free (s); | |
1453 | } | |
1454 | else | |
1455 | { | |
1456 | llerror (FLG_SYNTAX, s); | |
1457 | ||
1458 | fileloc_free (lastparseerror); | |
1459 | lastparseerror = fileloc_copy (g_currentloc); | |
1460 | } | |
1461 | } | |
1462 | ||
1463 | bool lloptgenerror (flagcode o, /*@only@*/ cstring s, fileloc loc) | |
1464 | { | |
1465 | if (llrealerror (s, loc)) | |
1466 | { | |
1467 | llsuppresshint ('-', o); | |
1468 | closeMessage (); | |
1469 | flagcode_recordError (o); | |
1470 | return TRUE; | |
1471 | } | |
1472 | ||
1473 | flagcode_recordSuppressed (o); | |
1474 | return FALSE; | |
1475 | } | |
1476 | ||
1477 | bool optgenerror2 (flagcode f1, flagcode f2, /*@only@*/ cstring s, fileloc loc) | |
1478 | { | |
1479 | if (context_suppressFlagMsg (f1, loc)) | |
1480 | { | |
1481 | flagcode_recordSuppressed (f1); | |
1482 | cstring_free (s); | |
1483 | } | |
1484 | else | |
1485 | { | |
1486 | if (context_suppressFlagMsg (f2, loc)) | |
1487 | { | |
1488 | flagcode_recordSuppressed (f2); | |
1489 | cstring_free (s); | |
1490 | } | |
1491 | else | |
1492 | { | |
1493 | if (llrealerror (s, loc)) | |
1494 | { | |
1495 | llsuppresshint ('-', f2); | |
1496 | flagcode_recordError (f2); | |
1497 | closeMessage (); | |
1498 | return TRUE; | |
1499 | } | |
1500 | ||
1501 | flagcode_recordSuppressed (f2); | |
1502 | } | |
1503 | } | |
1504 | return FALSE; | |
1505 | } | |
1506 | ||
1507 | bool optgenerror2n (flagcode f1, flagcode f2, /*@only@*/ cstring s, fileloc loc) | |
1508 | { | |
1509 | ||
1510 | if (context_suppressFlagMsg (f1, loc)) | |
1511 | { | |
1512 | flagcode_recordSuppressed (f1); | |
1513 | cstring_free (s); | |
1514 | } | |
1515 | else | |
1516 | { | |
1517 | if (context_suppressNotFlagMsg (f2, loc)) | |
1518 | { | |
1519 | flagcode_recordSuppressed (f2); | |
1520 | cstring_free (s); | |
1521 | } | |
1522 | else | |
1523 | { | |
1524 | if (llrealerror (s, loc)) | |
1525 | { | |
1526 | llsuppresshint ('+', f2); | |
1527 | flagcode_recordError (f2); | |
1528 | closeMessage (); | |
1529 | return TRUE; | |
1530 | } | |
1531 | ||
1532 | flagcode_recordSuppressed (f2); | |
1533 | } | |
1534 | } | |
1535 | return FALSE; | |
1536 | } | |
1537 | ||
1538 | bool llnoptgenerror (flagcode o, /*@only@*/ cstring s, fileloc loc) | |
1539 | { | |
1540 | if (llrealerror (s, loc)) | |
1541 | { | |
1542 | llsuppresshint ('+', o); | |
1543 | flagcode_recordError (o); | |
1544 | closeMessage (); | |
1545 | return TRUE; | |
1546 | } | |
1547 | ||
1548 | flagcode_recordSuppressed (o); | |
1549 | return FALSE; | |
1550 | } | |
1551 | ||
1552 | void llparseerror (cstring s) | |
1553 | { | |
1554 | if (context_getFlag (FLG_TRYTORECOVER)) | |
1555 | { | |
1556 | parseerrorcount++; | |
1557 | ||
1558 | if (parseerrorcount > GIVEUPPARSE) | |
1559 | { | |
1560 | if (cstring_isDefined (s)) | |
1561 | { | |
1562 | llfatalerror (message ("%q: Parse Error: %q. " | |
1563 | "Too many errors, giving up.", | |
1564 | fileloc_unparse (g_currentloc), s)); | |
1565 | } | |
1566 | else | |
1567 | { | |
1568 | llfatalerror (message ("%q: Parse Error. Too many errors, giving up.", | |
1569 | fileloc_unparse (g_currentloc))); | |
1570 | } | |
1571 | } | |
1572 | else | |
1573 | { | |
1574 | if (cstring_isDefined (s)) | |
1575 | { | |
1576 | llreportparseerror (message ("Parse Error: %q. Attempting to continue.", | |
1577 | s)); | |
1578 | } | |
1579 | else | |
1580 | { | |
1581 | llreportparseerror (message ("Parse Error. Attempting to continue.")); | |
1582 | } | |
1583 | } | |
1584 | } | |
1585 | else | |
1586 | { | |
1587 | cstring msg; | |
1588 | ||
1589 | if (cstring_isDefined (s)) | |
1590 | { | |
1591 | msg = message ("Parse Error: %q.", s); | |
1592 | } | |
1593 | else | |
1594 | { | |
1595 | msg = message ("Parse Error."); | |
1596 | } | |
1597 | ||
1598 | llfatalerror | |
1599 | (message ("%q: %s (For help on parse errors, " | |
1600 | "see lclint -help parseerrors.)", | |
1601 | fileloc_unparse (g_currentloc), msg)); | |
1602 | } | |
1603 | } | |
1604 | ||
1605 | bool doCheck (bool x, cstring pred, cstring file, int line) | |
1606 | { | |
1607 | if (!x) { | |
1608 | llbug (message ("%q: Check Failed: %s", | |
1609 | fileloc_unparseRaw (file, line), | |
1610 | pred)); | |
1611 | } | |
1612 | ||
1613 | return x; | |
1614 | } | |
1615 | ||
1616 | /*@observer@*/ cstring lldecodeerror (/*@unused@*/ int errnum) | |
1617 | { | |
1618 | char *result; | |
1619 | ||
1620 | #ifndef VMS | |
1621 | #ifndef HAVE_STRERROR | |
1622 | result = NULL; | |
1623 | #else | |
1624 | result = strerror (errnum); | |
1625 | #endif | |
1626 | #else /* VMS */ | |
1627 | /* VAXCRTL's strerror() takes an optional second argument, which only | |
1628 | matters when the first argument is EVMSERR. However, it's simplest | |
1629 | just to pass it unconditionally. `vaxc$errno' is declared in | |
1630 | <errno.h>, and maintained by the library in parallel with `errno'. | |
1631 | We assume that caller's `errnum' either matches the last setting of | |
1632 | `errno' by the library or else does not have the value `EVMSERR'. */ | |
1633 | ||
1634 | result = strerror (errnum, vaxc$errno); | |
1635 | #endif | |
1636 | ||
1637 | if (result == NULL) | |
1638 | { | |
1639 | result = cstring_toCharsSafe (message ("undocumented I/O error: %d", errnum)); | |
1640 | } | |
1641 | ||
1642 | return cstring_fromChars (result); | |
1643 | } | |
1644 | ||
1645 | void llquietbugaux (cstring s, /*@unused@*/ cstring file, /*@unused@*/ int line) | |
1646 | { | |
1647 | # if 0 | |
1648 | # ifdef HOMEVERSION | |
1649 | llflush (); | |
1650 | printError (stderr, message ("%q: *** Internal Bug at %q: %q [errno: %d]", | |
1651 | fileloc_unparse (g_currentloc), | |
1652 | fileloc_unparseRaw (file, line), | |
1653 | s, errno)); | |
1654 | printCodePoint (); | |
1655 | llflush (); | |
1656 | # endif | |
1657 | # else | |
1658 | cstring_free (s); | |
1659 | # endif | |
1660 | } | |
1661 | ||
1662 | void llflush (void) | |
1663 | { | |
1664 | (void) fflush (g_msgstream); | |
1665 | (void) fflush (stderr); | |
1666 | } |