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616915dd | 1 | /* |
11db3170 | 2 | ** Splint - annotation-assisted static program checker |
77d37419 | 3 | ** Copyright (C) 1994-2002 University of Virginia, |
616915dd | 4 | ** Massachusetts Institute of Technology |
5 | ** | |
6 | ** This program is free software; you can redistribute it and/or modify it | |
7 | ** under the terms of the GNU General Public License as published by the | |
8 | ** Free Software Foundation; either version 2 of the License, or (at your | |
9 | ** option) any later version. | |
10 | ** | |
11 | ** This program is distributed in the hope that it will be useful, but | |
12 | ** WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | ** General Public License for more details. | |
15 | ** | |
16 | ** The GNU General Public License is available from http://www.gnu.org/ or | |
17 | ** the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
18 | ** MA 02111-1307, USA. | |
19 | ** | |
155af98d | 20 | ** For information on splint: info@splint.org |
21 | ** To report a bug: splint-bug@splint.org | |
11db3170 | 22 | ** For more information: http://www.splint.org |
616915dd | 23 | */ |
24 | /* | |
25 | ** ctype.c | |
26 | ** | |
27 | ** This files implements three types: ctentry, cttable and ctype. | |
28 | ** They should probably be separated soon. | |
29 | */ | |
30 | ||
1b8ae690 | 31 | # include "splintMacros.nf" |
616915dd | 32 | # include "basic.h" |
33 | # include "structNames.h" | |
34 | ||
35 | static void ctype_recordConj (ctype p_c); | |
36 | ||
37 | ||
38 | /* | |
39 | ** ctbase file | |
40 | */ | |
41 | ||
42 | # include "ctbase.i" | |
43 | ||
44 | /* | |
45 | ** ctype table | |
46 | */ | |
47 | ||
48 | # include "cttable.i" | |
49 | ||
50 | static ctype ctype_getConjA (ctype p_c) /*@*/ ; | |
51 | static ctype ctype_getConjB (ctype p_c) /*@*/ ; | |
52 | ||
53 | static bool ctype_isComplex (ctype c) | |
54 | { | |
bb7c2085 | 55 | return (ctentry_isComplex (ctype_getCtentry (c))); |
616915dd | 56 | } |
57 | ||
58 | static bool ctype_isPlain (ctype c) | |
59 | { | |
bb7c2085 | 60 | return (ctentry_isPlain (ctype_getCtentry (c))); |
616915dd | 61 | } |
62 | ||
63 | static bool ctype_isBroken (ctype c) | |
64 | { | |
65 | /*@+enumint@*/ | |
66 | if (c == CTK_DNE || c == CTK_INVALID || c == CTK_UNKNOWN) | |
67 | { | |
68 | /*@-enumint@*/ | |
69 | return TRUE; | |
70 | } | |
71 | else | |
72 | { | |
73 | ctentry cte = ctype_getCtentry (c); | |
74 | ||
75 | return (ctentry_isBogus (cte)); | |
76 | } | |
77 | } | |
78 | ||
79 | ctkind | |
80 | ctkind_fromInt (int i) | |
81 | { | |
82 | /*@+enumint@*/ | |
d5047b91 | 83 | if (i < CTK_UNKNOWN || i > CTK_COMPLEX) |
616915dd | 84 | { |
85 | llcontbug (message ("ctkind_fromInt: out of range: %d", i)); | |
86 | return CTK_INVALID; | |
87 | } | |
88 | return (ctkind) i; | |
89 | /*@=enumint@*/ | |
90 | } | |
91 | ||
92 | /* | |
93 | ** ctype functions | |
94 | */ | |
95 | ||
96 | void | |
97 | ctype_initTable () | |
98 | { | |
99 | cttable_init (); | |
100 | } | |
101 | ||
102 | void | |
103 | ctype_destroyMod () | |
104 | { | |
105 | cttable_reset (); | |
106 | } | |
107 | ||
108 | void | |
109 | ctype_loadTable (FILE *f) | |
110 | { | |
28bf4b0b | 111 | DPRINTF (("Loading cttable!")); |
616915dd | 112 | cttable_load (f); |
113 | } | |
114 | ||
115 | void | |
116 | ctype_dumpTable (FILE *f) | |
117 | { | |
118 | DPRINTF (("Dumping cttable!")); | |
119 | cttable_dump (f); | |
120 | } | |
121 | ||
122 | cstring | |
123 | ctype_unparseTable () | |
124 | { | |
125 | return (cttable_unparse ()); | |
126 | } | |
127 | ||
128 | void | |
129 | ctype_printTable () | |
130 | { | |
131 | cttable_print (); | |
132 | } | |
133 | ||
134 | bool | |
135 | ctype_isUserBool (ctype ct) | |
136 | { | |
137 | if (ctype_isUA (ct)) | |
138 | { | |
139 | return (usymtab_isBoolType (ctype_typeId (ct))); | |
140 | } | |
141 | ||
142 | return (FALSE); | |
143 | } | |
144 | ||
145 | ctype | |
146 | ctype_createUser (typeId u) | |
147 | { | |
148 | /* requires: ctype_createUser (u) is never called more than once for any u. */ | |
149 | ||
150 | ctbase ct = ctbase_createUser (u); | |
151 | return (cttable_addFullSafe (ctentry_makeNew (CTK_PLAIN, ct))); | |
152 | } | |
153 | ||
154 | ctype | |
155 | ctype_createAbstract (typeId u) | |
156 | { | |
d5047b91 | 157 | /* requires: ctype_createAbstract (u) is never called more than once for any u. */ |
158 | /* [ tested by cttable_addFullSafe, not really required ] */ | |
159 | ||
616915dd | 160 | return (cttable_addFullSafe (ctentry_makeNew (CTK_PLAIN, ctbase_createAbstract (u)))); |
161 | } | |
162 | ||
163 | int | |
164 | ctype_count (void) | |
165 | { | |
166 | return (cttab.size); | |
167 | } | |
168 | ||
169 | ctype | |
170 | ctype_realType (ctype c) | |
171 | { | |
172 | ctype r = c; | |
173 | ||
2c88d156 | 174 | if (ctype_isElips (c) || ctype_isMissingParamsMarker (c)) |
175 | { | |
176 | return c; | |
177 | } | |
178 | ||
616915dd | 179 | if (ctype_isUA (c)) |
180 | { | |
181 | r = uentry_getRealType (usymtab_getTypeEntry (ctype_typeId (c))); | |
182 | } | |
183 | ||
184 | if (ctype_isManifestBool (r)) | |
185 | { | |
186 | if (context_canAccessBool ()) | |
187 | { | |
188 | r = context_boolImplementationType (); | |
189 | } | |
190 | } | |
191 | ||
192 | return r; | |
193 | } | |
194 | ||
195 | bool | |
196 | ctype_isSimple (ctype c) | |
197 | { | |
bb7c2085 | 198 | return (! (ctype_isPointer (c) |
616915dd | 199 | || ctype_isArray (c) |
200 | || ctype_isFunction (c))); | |
201 | } | |
202 | ||
203 | ctype | |
204 | ctype_forceRealType (ctype c) | |
205 | { | |
206 | ctype r = c; | |
207 | ||
208 | if (ctype_isUA (c)) | |
209 | { | |
210 | r = uentry_getForceRealType (usymtab_getTypeEntry (ctype_typeId (c))); | |
211 | } | |
212 | ||
213 | return r; | |
214 | } | |
215 | ||
216 | ctype | |
217 | ctype_realishType (ctype c) | |
218 | { | |
219 | if (ctype_isUA (c)) | |
220 | { | |
221 | if (ctype_isManifestBool (c)) | |
222 | { | |
223 | return ctype_bool; | |
224 | } | |
225 | else | |
226 | { | |
227 | ctype r = uentry_getRealType (usymtab_getTypeEntry | |
bb7c2085 | 228 | (ctype_typeId (c))); |
616915dd | 229 | return (r); |
230 | } | |
231 | } | |
232 | ||
233 | return c; | |
234 | } | |
235 | ||
236 | bool | |
237 | ctype_isUA (ctype c) | |
238 | { | |
495af944 | 239 | return (!ctype_isUnknown (c) && ctbase_isUA (ctype_getCtbase (c))); |
616915dd | 240 | } |
241 | ||
242 | bool | |
243 | ctype_isUser (ctype c) | |
244 | { | |
d5047b91 | 245 | return (!ctype_isUnknown (c) && ctbase_isUser (ctype_getCtbase (c))); |
616915dd | 246 | } |
247 | ||
248 | bool | |
249 | ctype_isAbstract (ctype c) | |
250 | { | |
d5047b91 | 251 | return (!ctype_isUnknown (c) |
28bf4b0b | 252 | && ((ctype_isPlain (c) && ctbase_isAbstract (ctype_getCtbaseSafe (c))) || |
253 | (ctype_isConj (c) && | |
254 | (ctype_isAbstract (ctype_getConjA (c)) | |
255 | || ctype_isAbstract (ctype_getConjB (c)))))); | |
256 | } | |
257 | ||
258 | bool | |
259 | ctype_isImmutableAbstract (ctype t) | |
260 | { | |
261 | return (ctype_isAbstract (t) && !ctype_isMutable (t)); | |
616915dd | 262 | } |
263 | ||
264 | bool | |
265 | ctype_isRealAbstract (ctype c) | |
266 | { | |
267 | return (ctype_isAbstract (ctype_realType (c)) || | |
268 | (ctype_isConj (c) && | |
269 | (ctype_isRealAbstract (ctype_getConjA (c)) || | |
270 | ctype_isRealAbstract (ctype_getConjB (c))))); | |
271 | } | |
272 | ||
273 | /* | |
274 | ** primitive creators | |
275 | */ | |
276 | ||
277 | /* | |
278 | ** createPrim not necessary --- subsumed by ctype_int, etc. | |
279 | */ | |
280 | ||
281 | /* | |
282 | ** ctbase_unknown --- removed argument | |
283 | */ | |
284 | ||
285 | /* | |
286 | ** derived types: | |
287 | ** requires: if DerivedType (T) exists in cttable, then T->derivedType is it. | |
288 | */ | |
289 | ||
290 | ctype | |
291 | ctype_makePointer (ctype c) | |
292 | { | |
293 | if (c == ctype_char) | |
294 | { | |
295 | return ctype_string; | |
296 | } | |
297 | else if (c == ctype_void) | |
298 | { | |
299 | return ctype_voidPointer; | |
300 | } | |
301 | else | |
302 | { | |
303 | ctentry cte = ctype_getCtentry (c); | |
304 | ctype clp = ctentry_getPtr (cte); | |
305 | ||
306 | if /*@+enumint@*/ (clp == CTK_DNE) /*@=enumint@*/ | |
307 | { | |
308 | ctype cnew = cttable_addDerived (CTK_PTR, ctbase_makePointer (c), c); | |
309 | ctentry_setPtr (cte, cnew); | |
28bf4b0b | 310 | return (cnew); |
616915dd | 311 | } |
312 | else | |
313 | { | |
28bf4b0b | 314 | return clp; |
616915dd | 315 | } |
316 | } | |
317 | } | |
318 | ||
37ae0b5e | 319 | ctype ctype_makeFixedArray (ctype c, size_t size) |
616915dd | 320 | { |
077d4458 | 321 | ctype res; |
322 | res = cttable_addDerived (CTK_ARRAY, ctbase_makeFixedArray (c, size), c); | |
323 | return res; | |
324 | } | |
325 | ||
37ae0b5e | 326 | ctype ctype_makeInnerFixedArray (ctype c, size_t size) |
077d4458 | 327 | { |
328 | ctype res; | |
329 | ||
330 | if (ctype_isFixedArray (c)) | |
331 | { | |
332 | ctype cb = ctype_baseArrayPtr (c); | |
37ae0b5e | 333 | size_t osize = ctype_getArraySize (c); |
334 | ||
335 | res = ctype_makeFixedArray (ctype_makeInnerFixedArray (cb, size), osize); | |
077d4458 | 336 | } |
393e573f | 337 | else if (ctype_isArray (c)) |
338 | { | |
339 | ctype cb = ctype_baseArrayPtr (c); | |
340 | ||
341 | res = ctype_makeArray (ctype_makeInnerFixedArray (cb, size)); | |
342 | } | |
077d4458 | 343 | else |
344 | { | |
345 | res = ctype_makeFixedArray (c, size); | |
346 | } | |
347 | ||
393e573f | 348 | DPRINTF (("Make inner fixed array: %s", ctype_unparse (res))); |
349 | return res; | |
350 | } | |
351 | ||
352 | ctype ctype_makeInnerArray (ctype c) | |
353 | { | |
354 | ctype res; | |
355 | ||
356 | DPRINTF (("Make inner array: %s", ctype_unparse (c))); | |
357 | ||
358 | if (ctype_isFixedArray (c)) | |
359 | { | |
360 | ctype cb = ctype_baseArrayPtr (c); | |
37ae0b5e | 361 | size_t osize = ctype_getArraySize (c); |
362 | ||
363 | res = ctype_makeFixedArray (ctype_makeInnerArray (cb), osize); | |
393e573f | 364 | } |
365 | else | |
366 | { | |
367 | res = ctype_makeArray (c); | |
368 | } | |
369 | ||
370 | DPRINTF (("Make inner array: %s", ctype_unparse (res))); | |
077d4458 | 371 | return res; |
616915dd | 372 | } |
373 | ||
374 | ctype | |
375 | ctype_makeArray (ctype c) | |
376 | { | |
377 | ctentry cte = ctype_getCtentry (c); | |
378 | ctype clp = ctentry_getArray (cte); | |
379 | ||
393e573f | 380 | DPRINTF (("Make array: %s", ctype_unparse (c))); |
381 | ||
616915dd | 382 | if /*@+enumint@*/ (clp == CTK_DNE) /*@=enumint@*/ |
383 | { | |
384 | ctype cnew = cttable_addDerived (CTK_ARRAY, ctbase_makeArray (c), c); | |
385 | ctentry_setArray (cte, cnew); | |
386 | return (cnew); | |
387 | } | |
388 | else | |
393e573f | 389 | { |
390 | return clp; | |
391 | } | |
616915dd | 392 | } |
393 | ||
394 | /* | |
395 | ** requires c is a pointer of array | |
396 | */ | |
397 | ||
398 | ctype | |
399 | ctype_baseArrayPtr (ctype c) | |
400 | { | |
401 | ctentry cte = ctype_getCtentry (ctype_realType (c)); | |
402 | ||
403 | if (ctype_isConj (c)) | |
404 | { | |
405 | if (ctype_isAP (ctype_getConjA (c))) | |
406 | { | |
407 | if (ctype_isAP (ctype_getConjB (c))) | |
408 | { | |
409 | return (ctype_makeConj (ctype_baseArrayPtr (ctype_getConjA (c)), | |
410 | ctype_baseArrayPtr (ctype_getConjB (c)))); | |
411 | } | |
412 | else | |
413 | { | |
414 | return (ctype_baseArrayPtr (ctype_getConjA (c))); | |
415 | } | |
416 | } | |
417 | else | |
418 | { | |
419 | return (ctype_baseArrayPtr (ctype_getConjB (c))); | |
420 | } | |
421 | } | |
422 | else if (ctype_isInt (c)) /* could be NULL */ | |
423 | { | |
424 | return ctype_unknown; | |
425 | } | |
426 | else | |
427 | { | |
428 | ctype clp = ctentry_getBase (cte); | |
429 | ||
430 | if (ctype_isBroken (clp)) | |
431 | { | |
432 | llbuglit ("ctype_baseArrayPtr: bogus ctype"); | |
433 | } | |
434 | ||
435 | return clp; | |
436 | } | |
437 | } | |
438 | ||
e0b363ad | 439 | /* |
440 | ** wchar_t * | |
441 | */ | |
442 | ||
443 | ctype | |
444 | ctype_makeWideString () | |
445 | { | |
446 | static ctype res = ctype_unknown; | |
447 | ||
448 | if (ctype_isUnknown (res)) | |
449 | { | |
450 | ctype wchart; | |
451 | ||
452 | if (usymtab_existsType (cstring_makeLiteralTemp ("wchar_t"))) | |
453 | { | |
454 | wchart = uentry_getAbstractType (usymtab_lookup (cstring_makeLiteralTemp ("wchar_t"))); | |
455 | } | |
456 | else | |
457 | { | |
458 | wchart = ctype_char; | |
459 | } | |
460 | ||
461 | res = ctype_makePointer (wchart); | |
462 | } | |
463 | ||
464 | return res; | |
465 | } | |
466 | ||
467 | bool | |
468 | ctype_isWideString (ctype c) | |
469 | { | |
470 | if (ctype_isPointer (c)) | |
471 | { | |
472 | ctype ct = ctype_baseArrayPtr (c); | |
473 | ||
474 | if (usymtab_existsType (cstring_makeLiteralTemp ("wchar_t"))) | |
475 | { | |
476 | return (ct == uentry_getAbstractType (usymtab_lookup (cstring_makeLiteralTemp ("wchar_t")))); | |
477 | } | |
478 | else | |
479 | { | |
480 | return FALSE; | |
481 | } | |
482 | } | |
483 | else | |
484 | { | |
485 | return FALSE; | |
486 | } | |
487 | } | |
488 | ||
616915dd | 489 | ctype |
28bf4b0b | 490 | ctype_getReturnType (ctype c) |
616915dd | 491 | { |
d5047b91 | 492 | if (ctype_isUnknown (c)) |
28bf4b0b | 493 | { |
d5047b91 | 494 | return ctype_unknown; |
28bf4b0b | 495 | } |
496 | ||
616915dd | 497 | return (ctbase_baseFunction (ctype_getCtbaseSafe (c))); |
498 | } | |
499 | ||
500 | /* | |
501 | ** must be a shared pointer | |
502 | */ | |
503 | ||
504 | /*@observer@*/ uentryList | |
505 | ctype_argsFunction (ctype c) | |
506 | { | |
d5047b91 | 507 | if (ctype_isUnknown (c)) |
28bf4b0b | 508 | { |
509 | return uentryList_undefined; | |
510 | } | |
511 | ||
616915dd | 512 | return (ctbase_argsFunction (ctype_getCtbaseSafe (c))); |
513 | } | |
514 | ||
515 | /* | |
516 | ** Returns type with base type p and compound types from c. | |
517 | ** | |
518 | ** i.e., c = char *[]; p = int | |
519 | ** => int *[] | |
520 | */ | |
521 | ||
522 | ctype | |
523 | ctype_newBase (ctype c, ctype p) | |
524 | { | |
525 | return (ctbase_newBase (c, p)); | |
526 | } | |
527 | ||
528 | bool | |
529 | ctype_sameAltTypes (ctype c1, ctype c2) | |
530 | { | |
531 | ctype c1a, c2a; | |
532 | ctype c1b, c2b; | |
533 | ||
534 | llassert (ctype_isConj (c1) && ctype_isConj (c2)); | |
535 | ||
536 | c1a = ctype_getConjA (c1); | |
537 | c2a = ctype_getConjA (c2); | |
538 | ||
539 | c1b = ctype_getConjB (c1); | |
540 | c2b = ctype_getConjB (c2); | |
541 | ||
542 | if (ctype_compare (c1a, c2a) == 0) | |
543 | { | |
544 | if (ctype_compare (c1b, c2b) == 0) | |
545 | { | |
546 | return TRUE; | |
547 | } | |
548 | else | |
549 | { | |
550 | if (ctype_isConj (c1b) && ctype_isConj (c2b)) | |
551 | { | |
552 | return ctype_sameAltTypes (c1b, c2b); | |
553 | } | |
554 | else | |
555 | { | |
556 | return FALSE; | |
557 | } | |
558 | } | |
559 | } | |
560 | else | |
561 | { | |
562 | if (ctype_compare (c1a, c2b) == 0) | |
563 | { | |
564 | if (ctype_compare (c1b, c2a) == 0) | |
565 | { | |
566 | return TRUE; | |
567 | } | |
568 | else | |
569 | { | |
570 | if (ctype_isConj (c1b) && ctype_isConj (c2a)) | |
571 | { | |
572 | return ctype_sameAltTypes (c1b, c2a); | |
573 | } | |
574 | else | |
575 | { | |
576 | return FALSE; | |
577 | } | |
578 | } | |
579 | } | |
580 | else | |
581 | { | |
582 | return FALSE; | |
583 | } | |
584 | } | |
585 | } | |
586 | ||
587 | int | |
588 | ctype_compare (ctype c1, ctype c2) | |
589 | { | |
590 | ctentry ce1; | |
591 | ctentry ce2; | |
592 | ||
d5047b91 | 593 | if (ctype_isUnknown (c1)) |
28bf4b0b | 594 | { |
d5047b91 | 595 | if (ctype_isUnknown (c2)) |
28bf4b0b | 596 | { |
597 | return 0; | |
598 | } | |
599 | else | |
600 | { | |
601 | return 1; | |
602 | } | |
603 | } | |
604 | ||
d5047b91 | 605 | if (ctype_isUnknown (c2)) |
28bf4b0b | 606 | { |
607 | return -1; | |
608 | } | |
609 | ||
616915dd | 610 | /* Can't get entries for special ctypes (elips marker) */ |
611 | ||
612 | if (ctype_isElips (c1) || ctype_isElips (c2) | |
613 | || ctype_isMissingParamsMarker (c1) || ctype_isMissingParamsMarker (c2)) { | |
614 | return int_compare (c1, c2); | |
615 | } | |
616 | ||
617 | ce1 = ctype_getCtentry (c1); | |
618 | ce2 = ctype_getCtentry (c2); | |
619 | ||
620 | if (ctentry_isComplex (ce1)) | |
621 | { | |
622 | if (ctentry_isComplex (ce2)) | |
623 | { | |
624 | return (ctbase_compare (ctype_getCtbase (c1), | |
625 | ctype_getCtbase (c2), FALSE)); | |
626 | } | |
627 | else | |
628 | { | |
629 | return 1; | |
630 | } | |
631 | } | |
632 | else if (ctentry_isComplex (ce2)) | |
633 | { | |
634 | return -1; | |
635 | } | |
636 | else | |
637 | { | |
638 | return (int_compare (c1, c2)); | |
639 | } | |
640 | } | |
641 | ||
642 | /* | |
643 | ** complex types | |
644 | */ | |
645 | ||
646 | /* | |
647 | ** makeFunction: pointer to function returning base | |
648 | */ | |
649 | ||
650 | ctype | |
651 | ctype_makeParamsFunction (ctype base, /*@only@*/ uentryList p) | |
652 | { | |
653 | uentryList_fixImpParams (p); | |
654 | return (ctype_makeFunction (base, p)); | |
655 | } | |
656 | ||
657 | ctype | |
658 | ctype_makeNFParamsFunction (ctype base, /*@only@*/ uentryList p) | |
659 | { | |
660 | uentryList_fixImpParams (p); | |
661 | return (ctbase_makeNFFunction (base, p)); | |
662 | } | |
663 | ||
664 | ctype | |
665 | ctype_makeFunction (ctype base, /*@only@*/ uentryList p) | |
666 | { | |
667 | ctype ret; | |
668 | ret = ctbase_makeFunction (base, p); | |
669 | return (ret); | |
670 | } | |
671 | ||
672 | ctype ctype_expectFunction (ctype c) | |
673 | { | |
674 | /* handle parenthesized declarations */ | |
675 | ||
676 | if (!ctype_isAP (c)) | |
677 | { | |
678 | c = ctype_makePointer (c); | |
679 | } | |
680 | ||
681 | return (cttable_addComplex (ctbase_expectFunction (c))); | |
682 | } | |
683 | ||
e8b84478 | 684 | ctype ctype_dontExpectFunction (ctype c) |
685 | { | |
686 | ctbase ctb = ctype_getCtbase (c); | |
687 | ||
688 | /* what about this? | |
689 | if (!ctype_isAP (c)) | |
690 | { | |
691 | c = ctype_makePointer (c); | |
692 | } | |
693 | */ | |
694 | ||
695 | return (ctbase_getExpectFunction (ctb)); | |
696 | } | |
697 | ||
616915dd | 698 | /* |
699 | ** makeRealFunction: function returning base | |
700 | */ | |
701 | ||
28bf4b0b | 702 | ctype ctype_makeRawFunction (ctype base, uentryList p) |
616915dd | 703 | { |
28bf4b0b | 704 | return (cttable_addComplex (ctbase_makeLiveFunction (base, p))); |
616915dd | 705 | } |
706 | ||
707 | /* | |
708 | ** plain predicates | |
709 | */ | |
710 | ||
711 | /*** | |
712 | **** this is very poorly defined | |
713 | **** | |
714 | **** need to unify function/function pointer meaning | |
715 | ***/ | |
716 | ||
717 | bool | |
718 | ctype_isFunction (ctype c) | |
719 | { | |
495af944 | 720 | if ( ( ctype_isKnown (c) && (!ctype_isElips(c) ) ) && ctype_isDefined (c)) |
28bf4b0b | 721 | { |
722 | return (ctbase_isFunction (ctype_getCtbase (c))); | |
723 | } | |
724 | else | |
725 | { | |
726 | return FALSE; | |
727 | } | |
616915dd | 728 | } |
729 | ||
495af944 | 730 | /* |
731 | drl added 04-2-2002 | |
732 | trying to make up or ambiguity if ctype_isFunction | |
733 | */ | |
734 | bool ctype_isFunctionPointer (ctype c) | |
735 | { | |
736 | if (ctype_isFunction(c) && ctype_isPointer(c) ) | |
737 | return TRUE; | |
738 | else | |
739 | return FALSE; | |
740 | } | |
741 | ||
616915dd | 742 | bool |
743 | ctype_isExpFcn (ctype c) | |
744 | { | |
28bf4b0b | 745 | return (ctype_isKnown (c) && ctbase_isExpFcn (ctype_getCtbase (c))); |
616915dd | 746 | } |
747 | ||
748 | bool | |
749 | ctype_isVoid (ctype c) | |
750 | { | |
751 | return (c == CTX_VOID); | |
752 | } | |
753 | ||
754 | bool | |
755 | ctype_isArbitraryIntegral (ctype c) | |
756 | { | |
757 | ctype cr = ctype_realType (c); | |
758 | ||
759 | return (cr == ctype_anyintegral || cr == ctype_unsignedintegral | |
760 | || cr == ctype_signedintegral); | |
761 | } | |
762 | ||
763 | bool | |
764 | ctype_isUnsignedIntegral (ctype c) | |
765 | { | |
766 | ctype cr = ctype_realType (c); | |
767 | ||
768 | return (cr == ctype_unsignedintegral); | |
769 | } | |
770 | ||
771 | bool | |
772 | ctype_isSignedIntegral (ctype c) | |
773 | { | |
774 | ctype cr = ctype_realType (c); | |
775 | ||
776 | return (cr == ctype_signedintegral); | |
777 | } | |
778 | ||
779 | bool | |
780 | ctype_isInt (ctype c) | |
781 | { | |
782 | cprim cp = ctype_toCprim (c); | |
783 | ||
784 | return (c == ctype_unknown || cprim_isAnyInt (cp) | |
785 | || (cprim_isAnyChar (cp) && context_msgCharInt ()) | |
786 | || (c == ctype_bool && context_msgBoolInt ()) | |
787 | || (ctype_isEnum (c) && context_msgEnumInt ())); | |
788 | } | |
789 | ||
790 | bool | |
791 | ctype_isRegularInt (ctype c) | |
792 | { | |
793 | cprim cp = ctype_toCprim (c); | |
794 | ||
795 | return (c == ctype_unknown | |
796 | || cprim_closeEnough (cprim_int, cp) | |
797 | || (cprim_isAnyChar (cp) && context_msgCharInt ()) | |
798 | || (c == ctype_bool && context_msgBoolInt ()) | |
799 | || (ctype_isEnum (c) && context_msgEnumInt ())); | |
800 | } | |
801 | ||
802 | bool | |
803 | ctype_isString (ctype c) | |
804 | { | |
805 | return (c == ctype_string | |
806 | || (ctype_isPointer (c) | |
807 | && ctype_isChar (ctype_baseArrayPtr (c)))); | |
808 | } | |
809 | ||
810 | bool | |
811 | ctype_isChar (ctype c) | |
812 | { | |
813 | return ((c == ctype_unknown) || (cprim_isAnyChar (ctype_toCprim (c))) | |
814 | || (context_getFlag (FLG_CHARINT) && ctype_isInt (c))); | |
815 | } | |
816 | ||
817 | bool | |
818 | ctype_isUnsignedChar (ctype c) | |
819 | { | |
820 | return ((c == ctype_unknown) || (cprim_isUnsignedChar (ctype_toCprim (c)))); | |
821 | } | |
822 | ||
823 | bool | |
824 | ctype_isSignedChar (ctype c) | |
825 | { | |
826 | return ((c == ctype_unknown) || (cprim_isSignedChar (ctype_toCprim (c)))); | |
827 | } | |
828 | ||
829 | /* | |
830 | ** Returns true if c matches the name -booltype <bool> | |
831 | */ | |
832 | ||
833 | bool | |
834 | ctype_isManifestBool (ctype c) | |
835 | { | |
836 | /* | |
837 | ** Changed the meaning of ctype_isBool - evs 2000-07-24 | |
838 | ** The old meaning was very convoluted! | |
839 | ** | |
840 | ** c is a bool if: | |
841 | ** c == CTX_BOOL - its a direct bool | |
842 | ** c is a user/abstract type matching the bool name | |
843 | ** (should never occur?) | |
844 | */ | |
845 | ||
846 | if (ctype_isDirectBool (c)) { | |
847 | return TRUE; | |
848 | } else if (ctype_isUA (c)) { | |
849 | return ctype_isUserBool (c); | |
850 | } else { | |
851 | return FALSE; | |
852 | } | |
853 | } | |
854 | ||
855 | bool | |
856 | ctype_isBool (ctype c) | |
857 | { | |
858 | /* | |
859 | ** Changed the meaning of ctype_isBool - evs 2000-07-24 | |
860 | ** The old meaning was very convoluted! | |
861 | ** | |
862 | ** c is a bool if: | |
863 | ** its a manifest bool | |
864 | ** +boolint and ctype_isInt (c) | |
865 | */ | |
866 | ||
867 | if (ctype_isManifestBool (c)) { | |
868 | return TRUE; | |
869 | } else if (context_msgBoolInt ()) { | |
870 | return ctype_isInt (c); | |
871 | } else { | |
872 | return FALSE; | |
873 | } | |
874 | ||
875 | # if 0 | |
876 | if (context_getFlag (FLG_ABSTRACTBOOL)) | |
877 | { | |
878 | if (typeId_isInvalid (boolType)) | |
879 | { | |
880 | boolType = usymtab_getTypeId (context_getBoolName ()); | |
881 | } | |
882 | ||
883 | if (context_hasAccess (boolType)) | |
884 | { | |
885 | return (((c == CTX_UNKNOWN) || (c == CTX_BOOL) | |
886 | || (context_msgBoolInt () | |
887 | && (c == CTX_INT | |
888 | || (c == CTX_CHAR && context_msgCharInt ())))) | |
889 | || ctype_isInt (c)); | |
890 | } | |
891 | } | |
892 | ||
893 | return ((c == CTX_UNKNOWN) || (c == CTX_BOOL) | |
894 | || (context_msgBoolInt () | |
895 | && (c == CTX_INT || (c == CTX_CHAR && context_msgCharInt ())))); | |
896 | # endif | |
897 | } | |
898 | ||
899 | bool | |
900 | ctype_isDirectBool (ctype c) | |
901 | { | |
902 | return (c == CTX_BOOL); | |
903 | } | |
904 | ||
905 | bool | |
906 | ctype_isReal (ctype c) | |
907 | { | |
908 | return (cprim_isAnyReal (ctype_toCprim (c))); | |
909 | } | |
910 | ||
911 | bool | |
912 | ctype_isFloat (ctype c) | |
913 | { | |
914 | return (c == ctype_float); | |
915 | } | |
916 | ||
917 | bool | |
918 | ctype_isDouble (ctype c) | |
919 | { | |
920 | return (c == ctype_double || c == ctype_ldouble); | |
921 | } | |
922 | ||
923 | bool | |
924 | ctype_isSigned (ctype c) | |
925 | { | |
926 | return (!ctype_isUnsigned (c)); | |
927 | } | |
928 | ||
929 | bool | |
930 | ctype_isNumeric (ctype c) | |
931 | { | |
2209bcb7 | 932 | return (ctype_isInt (c) || ctype_isReal (c) || ctype_isEnum (c) |
933 | /* evans 2001-10-05: added this: */ | |
934 | || ctype_isArbitraryIntegral (c)); | |
616915dd | 935 | } |
936 | ||
937 | ||
938 | /* | |
939 | ** real predicates | |
940 | ** | |
941 | ** work on actual type in current context | |
942 | */ | |
943 | ||
944 | bool | |
945 | ctype_isRealNumeric (ctype c) | |
946 | { | |
947 | if (ctype_isPlain (c)) | |
948 | return (ctype_isNumeric (ctype_realType (c))); | |
949 | if (ctype_isConj (c)) | |
950 | return (ctype_isRealNumeric (ctype_getConjA (c)) || | |
951 | ctype_isRealNumeric (ctype_getConjB (c))); | |
952 | else | |
953 | return FALSE; | |
954 | } | |
955 | ||
956 | bool | |
957 | ctype_isRealInt (ctype c) | |
958 | { | |
959 | if (ctype_isPlain (c)) | |
960 | return (ctype_isInt (ctype_realType (c))); | |
961 | else if (ctype_isConj (c)) | |
962 | return (ctype_isRealInt (ctype_getConjA (c)) || | |
963 | ctype_isRealInt (ctype_getConjB (c))); | |
964 | else | |
965 | { | |
966 | if (ctype_isEnum (c) && context_msgEnumInt ()) return TRUE; | |
967 | return FALSE; | |
968 | } | |
969 | } | |
970 | ||
971 | bool | |
972 | ctype_isRealVoid (ctype c) | |
973 | { | |
974 | if (ctype_isPlain (c)) | |
975 | { | |
976 | return (ctype_isVoid (ctype_realType (c))); | |
977 | } | |
978 | else if (ctype_isConj (c)) | |
979 | { | |
980 | return (ctype_isRealVoid (ctype_getConjA (c)) || | |
981 | ctype_isRealVoid (ctype_getConjB (c))); | |
982 | } | |
983 | else | |
984 | { | |
985 | return FALSE; | |
986 | } | |
987 | } | |
988 | ||
989 | bool | |
990 | ctype_isRealBool (ctype c) | |
991 | { | |
992 | if (ctype_isPlain (c)) | |
993 | { | |
994 | return (ctype_isBool (ctype_realishType (c))); | |
995 | } | |
996 | else if (ctype_isConj (c)) | |
997 | { | |
998 | return (ctype_isRealBool (ctype_getConjA (c)) || | |
999 | ctype_isRealBool (ctype_getConjB (c))); | |
1000 | } | |
1001 | else | |
1002 | { | |
1003 | return FALSE; | |
1004 | } | |
1005 | } | |
1006 | ||
1007 | bool | |
1008 | ctype_isRealPointer (ctype c) | |
1009 | { | |
1010 | if (ctype_isConj (c)) | |
1011 | return (ctype_isRealPointer (ctype_getConjA (c)) || | |
1012 | ctype_isRealPointer (ctype_getConjB (c))); | |
1013 | return (ctype_isPointer (ctype_realType (c))); | |
1014 | } | |
1015 | ||
1016 | bool | |
1017 | ctype_isRealSU (ctype c) | |
1018 | { | |
1019 | if (ctype_isConj (c)) | |
1020 | { | |
1021 | return (ctype_isRealSU (ctype_getConjA (c)) || | |
1022 | ctype_isRealSU (ctype_getConjB (c))); | |
1023 | } | |
28bf4b0b | 1024 | |
1025 | DPRINTF (("Real su: %s / %s", ctype_unparse (c), ctype_unparse (ctype_realType (c)))); | |
616915dd | 1026 | return (ctype_isStructorUnion (ctype_realType (c))); |
1027 | } | |
1028 | ||
1029 | bool | |
1030 | ctype_isRealArray (ctype c) | |
1031 | { | |
1032 | if (ctype_isConj (c)) | |
1033 | return (ctype_isRealArray (ctype_getConjA (c)) || | |
1034 | ctype_isRealArray (ctype_getConjB (c))); | |
1035 | return (ctype_isArray (ctype_realType (c))); | |
1036 | } | |
1037 | ||
1038 | bool | |
1039 | ctype_isRealAP (ctype c) | |
1040 | { | |
1041 | if (ctype_isConj (c)) | |
1042 | return (ctype_isRealAP (ctype_getConjA (c)) || | |
1043 | ctype_isRealAP (ctype_getConjB (c))); | |
1044 | return (ctype_isAP (ctype_realType (c))); | |
1045 | } | |
1046 | ||
1047 | bool | |
1048 | ctype_isRealFunction (ctype c) | |
1049 | { | |
1050 | if (ctype_isConj (c)) | |
1051 | return (ctype_isRealFunction (ctype_getConjA (c)) || | |
1052 | ctype_isRealFunction (ctype_getConjB (c))); | |
1053 | return (ctype_isFunction (ctype_realType (c))); | |
1054 | } | |
1055 | ||
1056 | bool | |
1057 | ctype_isDirectInt (ctype c) | |
1058 | { | |
1059 | return (c == CTX_INT || c == CTX_UINT || c == CTX_SINT || c == CTX_ULINT || c == CTX_USINT); | |
1060 | } | |
1061 | ||
1062 | /* | |
1063 | ** forceful predicates | |
1064 | ** | |
1065 | ** take *ctype; if its a conjunct, and there is a match replace with match only. | |
1066 | ** if both match, still conjunct | |
1067 | */ | |
1068 | ||
1069 | static bool | |
1070 | ctype_isForcePred (ctype * c, bool (pred) (ctype)) | |
1071 | { | |
86d93ed3 | 1072 | /*drl bee: pbr */ if (ctype_isConj (*c)) |
616915dd | 1073 | { |
1074 | ctype cbr = ctype_getConjA (*c); | |
1075 | ||
86d93ed3 | 1076 | /*drl bee: si*/ if ((*pred) (cbr)) |
616915dd | 1077 | { |
1078 | if ((*pred) (ctype_getConjB (*c))) | |
1079 | { | |
1080 | ; | |
1081 | } | |
1082 | else | |
1083 | { | |
1084 | *c = cbr; | |
1085 | } | |
1086 | ||
1087 | return TRUE; | |
1088 | } | |
1089 | else | |
1090 | { | |
1091 | if ((*pred) (cbr = ctype_getConjB (*c))) | |
1092 | { | |
1093 | *c = cbr; | |
1094 | return TRUE; | |
1095 | } | |
1096 | } | |
1097 | } | |
1098 | ||
1099 | return ((*pred) (*c)); | |
1100 | } | |
1101 | ||
1102 | bool | |
1103 | ctype_isForceRealNumeric (ctype * c) | |
1104 | { | |
1105 | return (ctype_isForcePred (c, ctype_isRealNumeric)); | |
1106 | } | |
1107 | ||
1108 | bool | |
1109 | ctype_isForceRealInt (ctype * c) | |
1110 | { | |
1111 | return (ctype_isForcePred (c, ctype_isRealInt)); | |
1112 | } | |
1113 | ||
1114 | bool | |
1115 | ctype_isForceRealBool (ctype * c) | |
1116 | { | |
1117 | return (ctype_isForcePred (c, ctype_isRealBool)); | |
1118 | } | |
1119 | ||
1120 | /* | |
1121 | ** conjuncts | |
1122 | ** | |
1123 | ** save int/char, int/bool, other random conjuncts | |
1124 | */ | |
1125 | ||
1126 | static ctype | |
1127 | ctype_makeConjAux (ctype c1, ctype c2, bool isExplicit) | |
1128 | { | |
1129 | if (ctype_isBogus (c1) || ctype_isUndefined (c1)) | |
1130 | { | |
1131 | return c2; | |
1132 | } | |
1133 | else if (ctype_isBogus (c2) || ctype_isUndefined (c2)) | |
1134 | { | |
1135 | return c1; | |
1136 | } | |
1137 | else | |
1138 | { | |
1139 | if (isExplicit) | |
1140 | { | |
1141 | return (ctype_makeExplicitConj (c1, c2)); | |
1142 | } | |
1143 | else | |
1144 | { | |
1145 | return (ctype_makeConj (c1, c2)); | |
1146 | } | |
1147 | } | |
1148 | } | |
1149 | ||
1150 | ctype | |
1151 | ctype_makeExplicitConj (ctype c1, ctype c2) | |
1152 | { | |
d5047b91 | 1153 | if (ctype_isAnytype (c1) || ctype_isAnytype (c2)) |
1154 | { | |
1155 | return ctype_makeAnytype (); | |
1156 | } | |
1157 | else if (ctype_isFunction (c1) && !ctype_isFunction (c2)) | |
616915dd | 1158 | { |
28bf4b0b | 1159 | ctype ret = ctype_makeExplicitConj (ctype_getReturnType (c1), c2); |
616915dd | 1160 | |
1161 | return ctype_makeFunction (ret, uentryList_copy (ctype_getParams (c1))); | |
1162 | } | |
1163 | else if (ctype_isFunction (c2) && !ctype_isFunction (c1)) | |
1164 | { | |
28bf4b0b | 1165 | ctype ret = ctype_makeExplicitConj (c1, ctype_getReturnType (c2)); |
616915dd | 1166 | |
1167 | return ctype_makeFunction (ret, uentryList_copy (ctype_getParams (c2))); | |
1168 | } | |
1169 | else | |
1170 | { | |
1171 | return (cttable_addComplex (ctbase_makeConj (c1, c2, TRUE))); | |
1172 | } | |
1173 | } | |
1174 | ||
1175 | static ctype ic = ctype_unknown; /* int | char */ | |
1176 | static ctype ib = ctype_unknown; /* int | bool */ | |
1177 | static ctype ifl = ctype_unknown; /* int | float */ | |
1178 | static ctype ibf = ctype_unknown; /* int | bool | float */ | |
1179 | static ctype ibc = ctype_unknown; /* int | bool | char */ | |
1180 | static ctype iv = ctype_unknown; /* int | void * */ | |
1181 | static ctype ivf = ctype_unknown; /* int | void * | float */ | |
1182 | static ctype ivb = ctype_unknown; /* int | void * | bool */ | |
1183 | static ctype ivbf = ctype_unknown; /* int | void * | bool | float */ | |
1184 | static ctype cuc = ctype_unknown; /* char | unsigned char */ | |
1185 | ||
d5047b91 | 1186 | static ctype cany = ctype_unknown; |
1187 | ||
1188 | ctype | |
1189 | ctype_makeAnytype () | |
1190 | { | |
1191 | if (cany == ctype_unknown) | |
1192 | { | |
1193 | cany = ctype_makeConj (ctype_unknown, ctype_dne); | |
1194 | llassert (ctype_isAnytype (cany)); | |
1195 | } | |
1196 | ||
1197 | DPRINTF (("make anytype: %s", ctype_unparse (cany))); | |
1198 | return cany; | |
1199 | } | |
1200 | ||
1201 | bool | |
1202 | ctype_isAnytype (ctype c) | |
1203 | { | |
1204 | return (c == cany); | |
1205 | } | |
1206 | ||
616915dd | 1207 | static void |
1208 | ctype_recordConj (ctype c) | |
1209 | { | |
1210 | ctype c1, c2; | |
1211 | ||
1212 | llassert (ctype_isConj (c)); | |
1213 | ||
1214 | c1 = ctype_getConjA (c); | |
1215 | c2 = ctype_getConjB (c); | |
1216 | ||
1217 | /* No, can't swap! | |
1218 | if (c2 == ctype_int && c1 != ctype_int) | |
1219 | { | |
1220 | ctype tmp; | |
1221 | ||
1222 | tmp = c1; | |
1223 | c1 = c2; | |
1224 | c2 = tmp; | |
1225 | } | |
1226 | */ | |
1227 | ||
1228 | if (c1 == ctype_int) | |
1229 | { | |
1230 | if (c2 == ctype_char) | |
1231 | { | |
1232 | llassert (ic == ctype_unknown); | |
1233 | ic = c; | |
1234 | } | |
1235 | else if (c2 == ctype_bool) | |
1236 | { | |
1237 | llassert (ib == ctype_unknown); | |
1238 | ib = c; | |
1239 | } | |
1240 | else if (c2 == ctype_float) | |
1241 | { | |
1242 | llassert (ifl == ctype_unknown); | |
1243 | ifl = c; | |
1244 | } | |
1245 | else if (c2 == CTP_VOID) | |
1246 | { | |
1247 | llassert (iv == ctype_unknown); | |
1248 | iv = c; | |
1249 | } | |
1250 | else | |
1251 | { | |
1252 | /* not special */ | |
1253 | } | |
1254 | } | |
1255 | else if (c1 == ib && ib != ctype_unknown) | |
1256 | { | |
1257 | if (c2 == ctype_float) | |
1258 | { | |
1259 | llassert (ibf == ctype_unknown); | |
1260 | ibf = c; | |
1261 | } | |
1262 | else if (c2 == ctype_char) | |
1263 | { | |
1264 | llassert (ibc == ctype_unknown); | |
1265 | ibc = c; | |
1266 | } | |
1267 | else | |
1268 | { | |
1269 | /* not special */ | |
1270 | } | |
1271 | } | |
1272 | else if (c1 == iv) | |
1273 | { | |
1274 | if (c2 == ctype_bool) | |
1275 | { | |
1276 | llassert (ivb == ctype_unknown); | |
1277 | ivb = c; | |
1278 | } | |
1279 | else if (c2 == ctype_float) | |
1280 | { | |
1281 | llassert (ivf == ctype_unknown); | |
1282 | ivf = c; | |
1283 | } | |
1284 | else | |
1285 | { | |
1286 | /* not special */ | |
1287 | } | |
1288 | } | |
1289 | else if (c1 == ivf) | |
1290 | { | |
1291 | if (c2 == ctype_bool) | |
1292 | { | |
1293 | llassert (ivbf == ctype_unknown); | |
1294 | ivbf = c; | |
1295 | } | |
1296 | } | |
1297 | else if (c1 == ivb) | |
1298 | { | |
1299 | if (c2 == ctype_float) | |
1300 | { | |
1301 | llassert (ivbf == ctype_unknown); | |
1302 | ivbf = c; | |
1303 | } | |
1304 | } | |
1305 | else if (c1 == ctype_char) | |
1306 | { | |
1307 | if (c2 == ctype_uchar) | |
1308 | { | |
1309 | llassert (cuc == ctype_unknown); | |
1310 | ||
1311 | cuc = c; | |
1312 | } | |
1313 | } | |
1314 | else | |
1315 | { | |
1316 | /* not special */ | |
1317 | } | |
1318 | } | |
1319 | ||
1320 | ctype | |
1321 | ctype_makeConj (ctype c1, ctype c2) | |
1322 | { | |
1323 | /* no: can have unsigned long @alt long@: llassert (c1 != c2); */ | |
1324 | ||
1325 | DPRINTF (("Make conj: %s / %s", ctype_unparse (c1), ctype_unparse (c2))); | |
1326 | ||
d5047b91 | 1327 | if (ctype_isAnytype (c1)) |
1328 | { | |
1329 | return c1; | |
1330 | } | |
1331 | else if (ctype_isAnytype (c2)) | |
1332 | { | |
1333 | return c2; | |
1334 | } | |
1335 | else if (ctype_isUnknown (c1)) | |
616915dd | 1336 | { |
28bf4b0b | 1337 | return c2; |
1338 | } | |
1339 | else if (ctype_isUnknown (c2)) | |
1340 | { | |
1341 | return c1; | |
1342 | } | |
1343 | else if (ctype_isFunction (c1) && !ctype_isFunction (c2)) | |
1344 | { | |
1345 | ctype ret = ctype_makeConj (ctype_getReturnType (c1), c2); | |
616915dd | 1346 | return ctype_makeFunction (ret, uentryList_copy (ctype_getParams (c1))); |
1347 | } | |
1348 | else if (ctype_isFunction (c2) && !ctype_isFunction (c1)) | |
1349 | { | |
28bf4b0b | 1350 | ctype ret = ctype_makeConj (c1, ctype_getReturnType (c2)); |
616915dd | 1351 | return ctype_makeFunction (ret, uentryList_copy (ctype_getParams (c2))); |
1352 | } | |
1353 | else | |
1354 | { | |
1355 | if (ctype_isManifestBool (c1)) | |
1356 | { | |
1357 | c1 = ctype_bool; | |
1358 | } | |
1359 | ||
1360 | if (ctype_isManifestBool (c2)) | |
1361 | { | |
1362 | c2 = ctype_bool; | |
1363 | } | |
1364 | ||
1365 | if (ctbase_isVoidPointer (ctype_getCtbaseSafe (c1))) | |
1366 | { | |
1367 | c1 = ctype_voidPointer; | |
1368 | } | |
1369 | ||
1370 | if (ctbase_isVoidPointer (ctype_getCtbaseSafe (c2))) | |
1371 | { | |
1372 | c2 = ctype_voidPointer; | |
1373 | } | |
1374 | ||
1375 | /* | |
1376 | ** Ouch, can't do this. unsigned, etc. modifiers might | |
1377 | ** apply to wrong type! | |
1378 | ** | |
1379 | ** if (c2 == ctype_int && c1 != ctype_int) | |
1380 | ** { | |
1381 | ** ctype tmp; | |
1382 | ** | |
1383 | ** tmp = c1; | |
1384 | ** c1 = c2; | |
1385 | ** c2 = tmp; | |
1386 | ** } | |
1387 | ** | |
1388 | */ | |
1389 | ||
1390 | if (c1 == ctype_int) | |
1391 | { | |
1392 | if (c2 == ctype_char) | |
1393 | { | |
1394 | if (ic == ctype_unknown) | |
1395 | { | |
1396 | ic = cttable_addComplex (ctbase_makeConj (ctype_int, ctype_char, FALSE)); | |
1397 | } | |
1398 | ||
1399 | return ic; | |
1400 | } | |
1401 | else if (c2 == ctype_bool) | |
1402 | { | |
1403 | if (ib == ctype_unknown) | |
1404 | { | |
1405 | ib = cttable_addComplex | |
1406 | (ctbase_makeConj (ctype_int, ctype_bool, FALSE)); | |
1407 | } | |
1408 | ||
1409 | return ib; | |
1410 | } | |
1411 | else if (c2 == ctype_float) | |
1412 | { | |
1413 | if (ifl == ctype_unknown) | |
1414 | { | |
1415 | ifl = cttable_addComplex (ctbase_makeConj (ctype_int, ctype_float, FALSE)); | |
1416 | } | |
1417 | ||
1418 | return ifl; | |
1419 | } | |
1420 | else | |
1421 | { | |
1422 | if (c2 == ctype_voidPointer) | |
1423 | { | |
1424 | if (iv == ctype_unknown) | |
1425 | { | |
1426 | iv = cttable_addComplex | |
bb7c2085 | 1427 | (ctbase_makeConj (ctype_int, |
616915dd | 1428 | ctype_voidPointer, |
1429 | FALSE)); | |
1430 | } | |
1431 | ||
1432 | return iv; | |
1433 | } | |
1434 | } | |
1435 | } | |
1436 | else if (c1 == ib && ib != ctype_unknown) | |
1437 | { | |
1438 | if (c2 == ctype_float) | |
1439 | { | |
1440 | if (ibf == ctype_unknown) | |
1441 | { | |
1442 | ibf = cttable_addComplex (ctbase_makeConj (ib, ctype_float, FALSE)); | |
1443 | } | |
1444 | ||
1445 | return ibf; | |
1446 | } | |
1447 | else if (c2 == ctype_char) | |
1448 | { | |
1449 | if (ibc == ctype_unknown) | |
1450 | { | |
1451 | ibc = cttable_addComplex (ctbase_makeConj (ib, ctype_char, FALSE)); | |
1452 | } | |
1453 | ||
1454 | return ibc; | |
1455 | } | |
1456 | else | |
1457 | { | |
1458 | ; | |
1459 | } | |
1460 | } | |
1461 | else if (c1 == iv) | |
1462 | { | |
1463 | if (c2 == ctype_bool) | |
1464 | { | |
1465 | if (ivb == ctype_unknown) | |
1466 | { | |
1467 | ivb = cttable_addComplex (ctbase_makeConj (c1, c2, FALSE)); | |
1468 | } | |
1469 | ||
1470 | return ivb; | |
1471 | } | |
1472 | else if (c2 == ctype_float) | |
1473 | { | |
1474 | if (ivf == ctype_unknown) | |
1475 | { | |
1476 | ivf = cttable_addComplex (ctbase_makeConj (c1, c2, FALSE)); | |
1477 | } | |
1478 | ||
1479 | return ivf; | |
1480 | } | |
1481 | else | |
1482 | { | |
1483 | ; | |
1484 | } | |
1485 | } | |
1486 | else if (c1 == ivf) | |
1487 | { | |
1488 | if (c2 == ctype_bool) | |
1489 | { | |
1490 | if (ivbf == ctype_unknown) | |
1491 | { | |
1492 | ivbf = cttable_addComplex (ctbase_makeConj (c1, c2, FALSE)); | |
1493 | } | |
1494 | ||
1495 | return ivbf; | |
1496 | } | |
1497 | } | |
1498 | else if (c1 == ivb) | |
1499 | { | |
1500 | if (c2 == ctype_float) | |
1501 | { | |
1502 | if (ivbf == ctype_unknown) | |
1503 | { | |
1504 | ivbf = cttable_addComplex (ctbase_makeConj (c1, c2, FALSE)); | |
1505 | } | |
1506 | ||
1507 | return ivbf; | |
1508 | } | |
1509 | } | |
1510 | else if (c1 == ctype_char) | |
1511 | { | |
1512 | if (c2 == ctype_uchar) | |
1513 | { | |
1514 | if (cuc == ctype_unknown) | |
1515 | { | |
1516 | cuc = cttable_addComplex (ctbase_makeConj (c1, c2, FALSE)); | |
1517 | } | |
1518 | ||
1519 | return cuc; | |
1520 | } | |
1521 | } | |
1522 | else | |
1523 | { | |
1524 | ; | |
1525 | } | |
616915dd | 1526 | |
1527 | return (cttable_addComplex (ctbase_makeConj (c1, c2, FALSE))); | |
1528 | } | |
1529 | } | |
1530 | ||
1531 | ||
1532 | bool | |
1533 | ctype_isConj (ctype c) | |
1534 | { | |
1535 | return (ctype_isComplex (c) && ctbase_isConj (ctype_getCtbase (c))); | |
1536 | } | |
1537 | ||
1538 | static ctype | |
1539 | ctype_getConjA (ctype c) | |
1540 | { | |
1541 | if (!ctype_isConj (c)) | |
1542 | llbuglit ("ctype_getConjA: not a conj"); | |
1543 | return (ctbase_getConjA (ctype_getCtbaseSafe (c))); | |
1544 | } | |
1545 | ||
1546 | static ctype | |
1547 | ctype_getConjB (ctype c) | |
1548 | { | |
1549 | if (!ctype_isConj (c)) | |
1550 | llbuglit ("ctype_getConjB: not a conj"); | |
1551 | return (ctbase_getConjB (ctype_getCtbaseSafe (c))); | |
1552 | } | |
1553 | ||
1554 | static bool | |
1555 | ctype_isExplicitConj (ctype c) | |
1556 | { | |
1557 | return (ctype_isConj (c) && ctbase_isExplicitConj (ctype_getCtbaseSafe (c))); | |
1558 | } | |
1559 | ||
1560 | /** << need to fix resolveConj >> **/ | |
1561 | ||
1562 | /* | |
1563 | ** structs and unions | |
1564 | */ | |
1565 | ||
1566 | ctype | |
1567 | ctype_createStruct (/*@only@*/ cstring n, /*@only@*/ uentryList f) | |
1568 | { | |
1569 | ctype ct; | |
1570 | ||
1571 | DPRINTF (("Creating a struct: %s / %s", | |
1572 | n, uentryList_unparse (f))); | |
1573 | ||
1574 | ct = cttable_addComplex (ctbase_createStruct (n, f)); | |
1575 | DPRINTF (("ct: %s", ctype_unparse (ct))); | |
1576 | return (ct); | |
1577 | } | |
1578 | ||
1579 | uentryList | |
1580 | ctype_getFields (ctype c) | |
1581 | { | |
1582 | return (ctbase_getuentryList (ctype_getCtbaseSafe (c))); | |
1583 | } | |
1584 | ||
1585 | ctype | |
1586 | ctype_createUnion (/*@only@*/ cstring n, /*@only@*/ uentryList f) | |
1587 | { | |
1588 | ctype ret; | |
1589 | ||
1590 | ret = cttable_addComplex (ctbase_createUnion (n, f)); | |
1591 | return ret; | |
1592 | } | |
1593 | ||
1594 | /* | |
1595 | ** matching | |
1596 | ** | |
1597 | ** if ctype's are same, definite match. | |
1598 | ** else, need to call ctbase_match. | |
1599 | ** | |
1600 | ** if necessary context can memoize matches | |
1601 | */ | |
1602 | ||
1603 | static bool | |
1604 | quickMatch (ctype c1, ctype c2) | |
1605 | { | |
1606 | if (c1 == c2) | |
1607 | return TRUE; | |
1608 | ||
1609 | return FALSE; | |
1610 | } | |
1611 | ||
1612 | bool | |
1613 | ctype_genMatch (ctype c1, ctype c2, bool force, bool arg, bool def, bool deep) | |
1614 | { | |
1615 | bool match; | |
1616 | ||
1617 | DPRINTF (("Gen match: %s / %s arg: %s", ctype_unparse (c1), ctype_unparse (c2), bool_unparse (arg))); | |
1618 | ||
1619 | if (quickMatch (c1, c2)) | |
1620 | { | |
1621 | return TRUE; | |
1622 | } | |
1623 | ||
1624 | if (ctype_isElips (c1) || ctype_isElips (c2)) | |
1625 | { | |
1626 | return FALSE; | |
1627 | } | |
1628 | else | |
1629 | { | |
1630 | match = ctbase_genMatch (ctype_getCtbase (c1), ctype_getCtbase (c2), force, arg, def, deep); | |
1631 | return (match); | |
1632 | } | |
1633 | } | |
1634 | ||
1635 | bool | |
1636 | ctype_sameName (ctype c1, ctype c2) | |
1637 | { | |
1638 | if (quickMatch (c1, c2)) | |
1639 | return TRUE; | |
1640 | else | |
1641 | return (cstring_equal (ctype_unparse (c1), ctype_unparse (c2))); | |
1642 | } | |
1643 | ||
1644 | bool | |
1645 | ctype_almostEqual (ctype c1, ctype c2) | |
1646 | { | |
1647 | if (ctype_equal (c1, c2)) | |
1648 | { | |
1649 | return TRUE; | |
1650 | } | |
1651 | else | |
1652 | { | |
28bf4b0b | 1653 | if (ctype_isUnknown (c1)) |
1654 | { | |
1655 | return ctype_isUnknown (c2); | |
1656 | } | |
1657 | else if (ctype_isUnknown (c2)) | |
1658 | { | |
1659 | return FALSE; | |
1660 | } | |
1661 | else | |
1662 | { | |
1663 | return (ctbase_almostEqual (ctype_getCtbase (c1), ctype_getCtbase (c2))); | |
1664 | } | |
616915dd | 1665 | } |
1666 | } | |
1667 | ||
1668 | bool | |
1669 | ctype_matchDef (ctype c1, ctype c2) | |
1670 | { | |
1671 | DPRINTF (("Match def: %s / %s", ctype_unparse (c1), ctype_unparse (c2))); | |
1672 | ||
1673 | if (quickMatch (c1, c2)) | |
1674 | return TRUE; | |
1675 | ||
1676 | if (ctype_isElips (c1)) | |
d5047b91 | 1677 | return (ctype_isElips (c2) || ctype_isUnknown (c2)); |
616915dd | 1678 | |
1679 | if (ctype_isElips (c2)) | |
28bf4b0b | 1680 | { |
d5047b91 | 1681 | return (ctype_isUnknown (c2)); |
28bf4b0b | 1682 | } |
616915dd | 1683 | else |
1684 | { | |
1685 | bool oldrelax = context_getFlag (FLG_RELAXQUALS); | |
1686 | bool res; | |
1687 | ||
1688 | context_setFlagTemp (FLG_RELAXQUALS, FALSE); | |
1689 | res = ctbase_matchDef (ctype_getCtbase (c1), ctype_getCtbase (c2)); | |
1690 | context_setFlagTemp (FLG_RELAXQUALS, oldrelax); | |
1691 | return res; | |
1692 | } | |
1693 | } | |
1694 | ||
1695 | bool ctype_match (ctype c1, ctype c2) | |
1696 | { | |
1697 | if (quickMatch (c1, c2)) | |
1698 | return TRUE; | |
1699 | ||
1700 | if (ctype_isElips (c1)) | |
d5047b91 | 1701 | return (ctype_isElips (c2) || ctype_isUnknown (c2)); |
1702 | ||
616915dd | 1703 | if (ctype_isElips (c2)) |
d5047b91 | 1704 | return (ctype_isUnknown (c2)); |
616915dd | 1705 | |
1706 | return (ctbase_match (ctype_getCtbase (c1), ctype_getCtbase (c2))); | |
1707 | } | |
1708 | ||
1709 | bool | |
1710 | ctype_forceMatch (ctype c1, ctype c2) | |
1711 | { | |
1712 | if (quickMatch (c1, c2)) | |
1713 | return TRUE; | |
1714 | ||
1715 | if (ctype_isElips (c1)) | |
1716 | return (ctype_isElips (c2)); | |
1717 | ||
1718 | if (ctype_isElips (c2)) | |
1719 | return FALSE; | |
1720 | ||
1721 | /*@-modobserver@*/ | |
1722 | /* The call forceMatch may modify the observer params, but, we don't care. */ | |
1723 | return (ctbase_forceMatch (ctype_getCtbase (c1), ctype_getCtbase (c2))); | |
1724 | /*@=modobserver@*/ | |
1725 | } | |
1726 | ||
1727 | bool | |
1728 | ctype_matchArg (ctype c1, ctype c2) | |
1729 | { | |
1730 | if (quickMatch (c1, c2)) | |
1731 | { | |
1732 | return TRUE; | |
1733 | } | |
1734 | else | |
1735 | { | |
1736 | return (ctbase_matchArg (ctype_getCtbase (c1), ctype_getCtbase (c2))); | |
1737 | } | |
1738 | } | |
1739 | ||
1740 | /* | |
1741 | ** simple ctype_is operations. | |
1742 | ** DO NOT use real type of c, only direct type. | |
1743 | */ | |
1744 | ||
1745 | /* | |
1746 | ** ctype_isVoidPointer | |
1747 | ** | |
1748 | ** void * | |
1749 | */ | |
1750 | ||
1751 | bool | |
1752 | ctype_isVoidPointer (ctype c) | |
1753 | { | |
1754 | if (ctype_isComplex (c)) | |
1755 | { | |
1756 | return ctbase_isVoidPointer (ctype_getCtbaseSafe (c)); | |
1757 | } | |
1758 | if (ctype_isConj (c)) | |
1759 | { | |
1760 | return (ctype_isVoidPointer (ctype_getConjA (c)) || | |
1761 | ctype_isVoidPointer (ctype_getConjB (c))); | |
1762 | } | |
1763 | else | |
1764 | { | |
1765 | return (c == ctype_voidPointer | |
1766 | || (ctype_isRealPointer (c) | |
1767 | && ctype_isVoid (ctype_baseArrayPtr (c)))); | |
1768 | } | |
1769 | } | |
1770 | ||
1771 | /* | |
1772 | ** ctype_isPointer | |
1773 | ** | |
1774 | ** true for C and LCL pointers | |
1775 | */ | |
1776 | ||
1777 | bool | |
1778 | ctype_isPointer (ctype c) | |
1779 | { | |
1780 | if (ctype_isElips (c)) return FALSE; | |
1781 | ||
1782 | if (ctype_isComplex (c)) | |
1783 | { | |
1784 | ctbase ctb = ctype_getCtbaseSafe (c); | |
1785 | bool res = ctbase_isPointer (ctb); | |
1786 | ||
1787 | return res; | |
1788 | } | |
1789 | else | |
1790 | { | |
1791 | bool res = ctentry_isPointer (ctype_getCtentry (c)); | |
1792 | ||
1793 | return res; | |
1794 | } | |
1795 | } | |
1796 | ||
1797 | /* | |
1798 | ** ctype_isArray | |
1799 | ** | |
1800 | ** true for C and LCL array's | |
1801 | */ | |
1802 | ||
1803 | bool | |
1804 | ctype_isArray (ctype c) | |
1805 | { | |
1806 | if (ctype_isElips (c)) return FALSE; | |
1807 | ||
1808 | if (ctype_isComplex (c)) | |
1809 | return (ctbase_isEitherArray (ctype_getCtbaseSafe (c))); | |
1810 | else | |
1811 | return (ctentry_isArray (ctype_getCtentry (c))); | |
1812 | } | |
1813 | ||
1814 | bool ctype_isIncompleteArray (ctype c) | |
1815 | { | |
1816 | return (ctype_isArray (c) && !ctype_isFixedArray (c)); | |
1817 | } | |
1818 | ||
616915dd | 1819 | bool |
1820 | ctype_isArrayPtr (ctype c) | |
1821 | { | |
1822 | return ((ctype_isArray (c)) || (ctype_isPointer (c))); | |
1823 | } | |
1824 | ||
1825 | typeId | |
1826 | ctype_typeId (ctype c) | |
1827 | { | |
1828 | return (ctbase_typeId (ctype_getCtbase (c))); | |
1829 | } | |
1830 | ||
495af944 | 1831 | |
1832 | cstring | |
1833 | ctype_unparseFunctionPointer (ctype c, cstring quals, /*@only@*/ cstring name) | |
1834 | { | |
1835 | ctbase base; | |
1836 | ctype ctTmp; | |
1837 | ||
1838 | base = ctype_getCtbaseSafe (c); | |
1839 | ctTmp = base->contents.base; | |
1840 | ||
1841 | return (ctbase_doUnparseFunctionPointer (ctype_getCtbaseSafe(ctTmp), name, quals) ); | |
1842 | } | |
1843 | ||
1844 | cstring | |
1845 | ctype_unparseFunction (ctype c, /*@only@*/ cstring name) | |
1846 | { | |
1847 | return (ctbase_unparseFunction (ctype_getCtbaseSafe (c), name) ); | |
1848 | } | |
1849 | ||
616915dd | 1850 | cstring |
1851 | ctype_unparseDeclaration (ctype c, /*@only@*/ cstring name) | |
1852 | { | |
d5047b91 | 1853 | llassert (!(ctype_isElips (c) || ctype_isMissingParamsMarker (c))); |
28bf4b0b | 1854 | |
d5047b91 | 1855 | if (ctype_isUnknown (c)) |
28bf4b0b | 1856 | { |
1857 | return message ("? %q", name); | |
1858 | } | |
1859 | else | |
1860 | { | |
1861 | return (ctbase_unparseDeclaration (ctype_getCtbase (c), name)); | |
1862 | } | |
616915dd | 1863 | } |
1864 | ||
1865 | cstring | |
1866 | ctype_unparse (ctype c) | |
1867 | { | |
1868 | if (ctype_isElips (c)) | |
1869 | { | |
1870 | return cstring_makeLiteralTemp ("..."); | |
1871 | } | |
1872 | else if (ctype_isMissingParamsMarker (c)) | |
1873 | { | |
1874 | return cstring_makeLiteralTemp ("-"); | |
1875 | } | |
02b84d4b | 1876 | else if (ctype_isAnytype (c)) |
1877 | { | |
1878 | return cstring_makeLiteralTemp ("<any>"); | |
1879 | } | |
d5047b91 | 1880 | else if (ctype_isUnknown (c)) |
1881 | { | |
1882 | return cstring_makeLiteralTemp ("?"); | |
1883 | } | |
616915dd | 1884 | else |
1885 | { | |
1886 | /*@-modobserver@*/ | |
1887 | return (ctentry_doUnparse (ctype_getCtentry (c))); | |
1888 | /*@=modobserver@*/ | |
1889 | } | |
1890 | } | |
1891 | ||
1892 | cstring | |
1893 | ctype_unparseSafe (ctype c) | |
1894 | { | |
1895 | if (ctype_isElips (c)) | |
1896 | { | |
1897 | return cstring_makeLiteralTemp ("..."); | |
1898 | } | |
1899 | else if (ctype_isMissingParamsMarker (c)) | |
1900 | { | |
1901 | return cstring_makeLiteralTemp ("-"); | |
1902 | } | |
1903 | else | |
1904 | { | |
1905 | cstring ret; | |
1906 | ||
1907 | if /*@+enumint@*/ (c >= CTK_PLAIN && c < cttab.size) /*@=enumint@*/ | |
1908 | { | |
1909 | ctentry cte = ctype_getCtentry (c); | |
1910 | ||
1911 | if (cstring_isDefined (cte->unparse)) | |
1912 | { | |
1913 | return (cte->unparse); | |
1914 | } | |
1915 | } | |
1916 | ||
1917 | ret = message ("[%d]", (int) c); | |
1918 | cstring_markOwned (ret); | |
1919 | return ret; | |
1920 | } | |
1921 | } | |
1922 | ||
1923 | cstring | |
1924 | ctype_unparseDeep (ctype c) | |
1925 | { | |
1926 | if (ctype_isElips (c)) | |
1927 | { | |
1928 | return cstring_makeLiteralTemp ("..."); | |
1929 | } | |
1930 | if (ctype_isMissingParamsMarker (c)) | |
1931 | { | |
1932 | return cstring_makeLiteralTemp ("-"); | |
1933 | } | |
1934 | ||
1935 | return (ctentry_doUnparseDeep (ctype_getCtentry (c))); | |
1936 | } | |
1937 | ||
1938 | ctype | |
1939 | ctype_undump (char **c) | |
1940 | { | |
28bf4b0b | 1941 | return ((ctype) reader_getInt (c)); /* check its valid? */ |
616915dd | 1942 | } |
1943 | ||
1944 | cstring | |
1945 | ctype_dump (ctype c) | |
1946 | { | |
1947 | DPRINTF (("Ctype dump: %s", ctype_unparse (c))); | |
1948 | ||
1949 | if (c < 0) | |
1950 | { | |
1951 | /* Handle invalid types in a kludgey way. */ | |
1952 | return (message ("0")); | |
1953 | } | |
1954 | ||
1955 | if (ctype_isUA (c)) | |
1956 | { | |
1957 | cstring tname = usymtab_getTypeEntryName | |
bb7c2085 | 1958 | (usymtab_convertId (ctype_typeId (c))); |
616915dd | 1959 | |
1960 | if (cstring_equal (tname, context_getBoolName ())) | |
1961 | { | |
1962 | cstring_free (tname); | |
1963 | return (message ("%d", ctype_bool)); | |
1964 | } | |
1965 | ||
1966 | cstring_free (tname); | |
1967 | } | |
1968 | ||
1969 | DPRINTF (("Returning: %d", c)); | |
1970 | return (message ("%d", c)); | |
1971 | } | |
1972 | ||
1973 | ctype | |
1974 | ctype_getBaseType (ctype c) | |
1975 | { | |
1976 | ctentry cte = ctype_getCtentry (c); | |
1977 | ||
1978 | switch (ctentry_getKind (cte)) | |
1979 | { | |
1980 | case CTK_UNKNOWN: | |
616915dd | 1981 | case CTK_INVALID: |
616915dd | 1982 | case CTK_PLAIN: |
1983 | return c; | |
1984 | case CTK_PTR: | |
1985 | case CTK_ARRAY: | |
1986 | return (ctype_getBaseType (ctype_baseArrayPtr (c))); | |
1987 | case CTK_COMPLEX: | |
1988 | { | |
1989 | ctbase ctb = cte->ctbase; | |
1990 | ||
1991 | if (ctbase_isDefined (ctb)) | |
1992 | { | |
28bf4b0b | 1993 | /*@access ctbase@*/ |
616915dd | 1994 | switch (ctb->type) |
1995 | { | |
1996 | case CT_UNKNOWN: | |
1997 | case CT_PRIM: | |
1998 | case CT_USER: | |
1999 | case CT_ENUM: | |
2000 | case CT_ENUMLIST: | |
2001 | case CT_BOOL: | |
2002 | case CT_ABST: | |
2003 | case CT_FCN: | |
2004 | case CT_STRUCT: | |
2005 | case CT_UNION: | |
2006 | case CT_EXPFCN: | |
2007 | return c; | |
2008 | case CT_PTR: | |
2009 | case CT_ARRAY: | |
2010 | return (ctype_getBaseType (ctb->contents.base)); | |
2011 | case CT_FIXEDARRAY: | |
2012 | return (ctype_getBaseType (ctb->contents.farray->base)); | |
2013 | case CT_CONJ: /* base type of A conj branch? */ | |
2014 | return (ctype_getBaseType (ctb->contents.conj->a)); | |
2015 | } | |
28bf4b0b | 2016 | /*@noaccess ctbase@*/ |
616915dd | 2017 | } |
2018 | else | |
2019 | { | |
2020 | return c; | |
2021 | } | |
2022 | } | |
2023 | default: | |
2024 | llbuglit ("ctype_newBase: bad case"); | |
2025 | } | |
2026 | llcontbuglit ("ctype_getBaseType: unreachable code"); | |
2027 | return ((ctype)NULL); | |
2028 | } | |
2029 | ||
2030 | ctype | |
495af944 | 2031 | ctype_adjustPointers (int np, ctype c) |
616915dd | 2032 | { |
495af944 | 2033 | |
616915dd | 2034 | if (ctype_isFunction (c)) |
2035 | { | |
2036 | c = ctype_makeParamsFunction | |
495af944 | 2037 | (ctype_adjustPointers (np, ctype_getReturnType (c)), |
616915dd | 2038 | uentryList_copy (ctype_argsFunction (c))); |
2039 | } | |
2040 | else | |
2041 | { | |
2042 | /* fix this should not use getBaseType ??? */ | |
2043 | ctype cb = ctype_getBaseType (c); | |
2044 | ||
2045 | while (np > 0) | |
2046 | { | |
2047 | cb = ctype_makePointer (cb); | |
2048 | np--; | |
2049 | } | |
2050 | c = ctype_newBase (c, cb); | |
2051 | } | |
2052 | ||
2053 | return (c); | |
2054 | } | |
2055 | ||
2056 | ||
2057 | enumNameList | |
2058 | ctype_elist (ctype c) | |
2059 | { | |
2060 | return (ctbase_elist (ctype_getCtbase (c))); | |
2061 | } | |
2062 | ||
2063 | bool | |
2064 | ctype_isFirstVoid (ctype c) | |
2065 | { | |
2066 | return (c == CTX_VOID || (ctype_isConj (c) && ctype_isFirstVoid (ctype_getConjA (c)))); | |
2067 | } | |
2068 | ||
2069 | ctype | |
2070 | ctype_createEnum (/*@keep@*/ cstring tag, /*@keep@*/ enumNameList el) | |
2071 | { | |
2072 | return (cttable_addComplex (ctbase_createEnum (tag, el))); | |
2073 | } | |
2074 | ||
2075 | bool | |
2076 | ctype_isEnum (ctype c) | |
2077 | { | |
2078 | return (ctype_isComplex (c) && ctbase_isEnum (ctype_getCtbase (c))); | |
2079 | } | |
2080 | ||
2081 | cstring | |
2082 | ctype_enumTag (ctype c) | |
2083 | { | |
2084 | llassert (ctype_isEnum (c)); | |
2085 | ||
2086 | return (ctbase_enumTag (ctype_getCtbaseSafe (c))); | |
2087 | } | |
2088 | ||
2089 | bool | |
2090 | ctype_isStruct (ctype c) | |
2091 | { | |
2092 | return (ctype_isComplex (c) && ctbase_isStruct (ctype_getCtbaseSafe (c))); | |
2093 | } | |
2094 | ||
2095 | bool | |
2096 | ctype_isUnion (ctype c) | |
2097 | { | |
2098 | return (ctype_isComplex (c) && ctbase_isUnion (ctype_getCtbaseSafe (c))); | |
2099 | } | |
2100 | ||
2101 | ctype | |
2102 | ctype_resolveNumerics (ctype c1, ctype c2) | |
2103 | { | |
2104 | /* | |
2105 | ** returns longest type of c1 and c2 | |
2106 | */ | |
2107 | ||
2108 | if (c1 == c2) return c1; | |
2109 | ||
2110 | c1 = ctype_realType (c1); | |
2111 | c2 = ctype_realType (c2); | |
2112 | ||
2113 | if (ctype_isEnum (c1)) c1 = ctype_unknown; | |
2114 | if (ctype_isEnum (c2)) c2 = ctype_int; | |
2115 | ||
2116 | if (c1 == ctype_ldouble || c2 == ctype_ldouble) return ctype_ldouble; | |
28bf4b0b | 2117 | |
2118 | /* 2001-06-08: This fix provided by Jim Zelenka. */ | |
2119 | if (c1 == ctype_llint || c2 == ctype_llint) return ctype_llint; | |
2120 | if (c1 == ctype_ullint || c2 == ctype_ullint) return ctype_ullint; | |
2121 | ||
616915dd | 2122 | if (c1 == ctype_ulint || c2 == ctype_ulint) return ctype_ulint; |
2123 | if (c1 == ctype_lint || c2 == ctype_lint) return ctype_lint; | |
2124 | if (c1 == ctype_uint || c2 == ctype_uint) return ctype_uint; | |
2125 | if (c1 == ctype_int || c2 == ctype_int) return ctype_int; | |
28bf4b0b | 2126 | |
2127 | /* 2001-06-08: This fix provided by Jim Zelenka. */ | |
2128 | if (c1 == ctype_usint || c2 == ctype_usint) return ctype_usint; | |
2129 | ||
616915dd | 2130 | if (c1 == ctype_sint || c2 == ctype_sint) return ctype_sint; |
28bf4b0b | 2131 | |
616915dd | 2132 | if (c1 == ctype_uchar || c2 == ctype_uchar) return ctype_uchar; |
2133 | if (c1 == ctype_char || c2 == ctype_char) return ctype_char; | |
2134 | ||
2135 | if (ctype_isKnown (c1)) return c1; | |
2136 | else return c2; | |
2137 | } | |
2138 | ||
2139 | bool | |
2140 | ctype_isStructorUnion (ctype c) | |
2141 | { | |
2142 | return (ctype_isStruct (c) || ctype_isUnion (c)); | |
2143 | } | |
2144 | ||
2145 | ctype | |
2146 | ctype_fixArrayPtr (ctype c) | |
2147 | { | |
2148 | if (ctype_isArray (c)) | |
2149 | { | |
2150 | return (ctype_makePointer (ctype_baseArrayPtr (c))); | |
2151 | } | |
2152 | else | |
2153 | return c; | |
2154 | } | |
2155 | ||
2156 | /* | |
2157 | ** createUnnamedStruct/Union | |
2158 | ** | |
2159 | ** check if it corresponds to an existing LCL-specified unnamed struct | |
2160 | ** otherwise, give it a new tag | |
2161 | */ | |
2162 | ||
2163 | ctype | |
2164 | ctype_createUnnamedStruct (/*@only@*/ uentryList f) | |
2165 | { | |
2166 | ctype ret = usymtab_structFieldsType (f); | |
2167 | ||
28bf4b0b | 2168 | DPRINTF (("unnamed struct: %s", ctype_unparse (ret))); |
2169 | ||
616915dd | 2170 | if (ctype_isDefined (ret)) |
2171 | { | |
2172 | uentryList_free (f); | |
2173 | return ret; | |
2174 | } | |
2175 | else | |
2176 | { | |
2177 | cstring ft = fakeTag (); | |
2178 | ctype ct = ctype_createStruct (cstring_copy (ft), f); | |
2179 | uentry ue = uentry_makeStructTagLoc (ft, ct); | |
28bf4b0b | 2180 | |
2181 | DPRINTF (("Unnamed struct: %s", uentry_unparseFull (ue))); | |
2182 | ue = usymtab_supGlobalEntryReturn (ue); | |
2183 | DPRINTF (("After Unnamed struct: %s", uentry_unparseFull (ue))); | |
2184 | ||
616915dd | 2185 | cstring_free (ft); |
2186 | return (ct); | |
2187 | } | |
2188 | } | |
2189 | ||
2190 | ctype | |
2191 | ctype_createUnnamedUnion (/*@only@*/ uentryList f) | |
2192 | { | |
2193 | ctype ret = usymtab_unionFieldsType (f); | |
2194 | ||
2195 | if (ctype_isDefined (ret)) | |
2196 | { | |
2197 | uentryList_free (f); | |
2198 | return ret; | |
2199 | } | |
2200 | else | |
2201 | { | |
2202 | cstring ft = fakeTag (); | |
2203 | ctype ct = ctype_createUnion (cstring_copy (ft), f); | |
2204 | uentry ue = uentry_makeUnionTagLoc (ft, ct); | |
2205 | ||
2206 | usymtab_supGlobalEntry (ue); | |
2207 | cstring_free (ft); | |
2208 | return (ct); | |
2209 | } | |
2210 | } | |
2211 | ||
28bf4b0b | 2212 | bool |
2213 | ctype_isUnnamedSU (ctype c) | |
2214 | { | |
2215 | if (ctype_isSU (c)) | |
2216 | { | |
2217 | return ctbase_isUnnamedSU (ctype_getCtbase (c)); | |
2218 | } | |
2219 | else | |
2220 | { | |
2221 | return FALSE; | |
2222 | } | |
2223 | } | |
2224 | ||
616915dd | 2225 | ctype |
2226 | ctype_createForwardStruct (cstring n) | |
2227 | { | |
2228 | uentry ue = uentry_makeStructTag (n, ctype_unknown, fileloc_undefined); | |
2229 | ctype ct = usymtab_supForwardTypeEntry (ue); | |
2230 | ||
2231 | cstring_free (n); | |
2232 | return (ct); | |
2233 | } | |
2234 | ||
2235 | ctype | |
2236 | ctype_createForwardUnion (cstring n) | |
2237 | { | |
2238 | uentry ue = uentry_makeUnionTag (n, ctype_unknown, fileloc_undefined); | |
2239 | ctype ct = usymtab_supForwardTypeEntry (ue); | |
2240 | ||
2241 | cstring_free (n); | |
2242 | return (ct); | |
2243 | } | |
2244 | ||
2245 | ctype | |
2246 | ctype_removePointers (ctype c) | |
2247 | { | |
2248 | ctype oldc; | |
2249 | ||
28bf4b0b | 2250 | while (ctype_isKnown (c) && ctype_isArrayPtr (c)) |
616915dd | 2251 | { |
2252 | oldc = c; | |
2253 | c = ctype_baseArrayPtr (c); | |
2254 | llassert (c != oldc); | |
2255 | } | |
2256 | ||
2257 | return (c); | |
2258 | } | |
2259 | ||
2260 | bool ctype_isMutable (ctype t) | |
2261 | { | |
2262 | if (ctype_isUA (t)) | |
2263 | { | |
2264 | return (uentry_isMutableDatatype | |
2265 | (usymtab_getTypeEntry (ctype_typeId (t)))); | |
2266 | } | |
2267 | else | |
2268 | { | |
2269 | return (ctype_isPointer (ctype_realType (t))); | |
28bf4b0b | 2270 | /*!! || ctype_isStructorUnion (ctype_realType (t))); */ |
616915dd | 2271 | } |
2272 | } | |
2273 | ||
2274 | bool ctype_isRefCounted (ctype t) | |
2275 | { | |
2276 | if (ctype_isUA (t)) | |
2277 | { | |
2278 | return (uentry_isRefCountedDatatype | |
2279 | (usymtab_getTypeEntry (ctype_typeId (t)))); | |
2280 | } | |
2281 | ||
2282 | return FALSE; | |
2283 | } | |
2284 | ||
2285 | bool ctype_isVisiblySharable (ctype t) | |
2286 | { | |
d5047b91 | 2287 | if (ctype_isUnknown (t)) return TRUE; |
616915dd | 2288 | |
2289 | if (ctype_isConj (t)) | |
2290 | { | |
2291 | return (ctype_isVisiblySharable (ctype_getConjA (t)) | |
2292 | || ctype_isVisiblySharable (ctype_getConjB (t))); | |
2293 | } | |
2294 | ||
2295 | if (ctype_isMutable (t)) | |
2296 | { | |
2297 | if (ctype_isUA (t)) | |
2298 | { | |
2299 | ctype rt = ctype_realType (t); | |
2300 | ||
2301 | if (rt == t) | |
2302 | { | |
2303 | return TRUE; | |
2304 | } | |
2305 | else | |
2306 | { | |
2307 | return ctype_isVisiblySharable (rt); | |
28bf4b0b | 2308 | |
616915dd | 2309 | } |
2310 | } | |
2311 | else | |
2312 | { | |
2313 | return TRUE; | |
2314 | } | |
2315 | } | |
2316 | ||
2317 | return FALSE; | |
2318 | } | |
2319 | ||
2320 | # if 0 | |
2321 | /* Replaced by ctype_isMutable (more sensible) */ | |
2322 | bool ctype_canAlias (ctype ct) | |
2323 | { | |
2324 | /* can ct refer to memory locations? | |
2325 | ** ==> a pointer or a mutable abstract type | |
2326 | ** arrays? | |
2327 | */ | |
2328 | ||
2329 | ctype tr = ctype_realType (ct); | |
2330 | ||
2331 | return (ctype_isPointer (tr) || ctype_isMutable (ct) || ctype_isStructorUnion (tr)); | |
2332 | } | |
2333 | # endif | |
2334 | ||
2335 | /* | |
2336 | ** c1 is the dominant type; c2 is the modifier type | |
2337 | ** | |
2338 | ** eg. double + long int => long double | |
2339 | */ | |
2340 | ||
2341 | ctype ctype_combine (ctype dominant, ctype modifier) | |
2342 | { | |
2343 | DPRINTF (("Combine: %s + %s", | |
2344 | ctype_unparse (dominant), | |
2345 | ctype_unparse (modifier))); | |
2346 | ||
2347 | if (ctype_isConj (dominant)) | |
2348 | { | |
2349 | ctype res; | |
2350 | ||
2351 | if (ctype_isExplicitConj (dominant)) | |
2352 | { | |
2353 | res = ctype_makeExplicitConj (ctype_combine (ctype_getConjA (dominant), | |
2354 | modifier), | |
2355 | ctype_getConjB (dominant)); | |
2356 | } | |
2357 | else | |
2358 | { | |
2359 | res = ctype_makeConj (ctype_combine (ctype_getConjA (dominant), | |
2360 | modifier), | |
2361 | ctype_getConjB (dominant)); | |
2362 | } | |
2363 | ||
2364 | return res; | |
2365 | } | |
2366 | ||
2367 | if (ctype_isUnknown (modifier)) | |
2368 | { | |
2369 | return dominant; | |
2370 | } | |
2371 | else if (ctype_isUnknown (dominant)) | |
2372 | { | |
2373 | return modifier; | |
2374 | } | |
2375 | else | |
2376 | { | |
2377 | if (ctype_isEnum (dominant)) dominant = ctype_int; | |
2378 | if (ctype_isEnum (modifier)) modifier = ctype_int; | |
2379 | ||
2380 | if (modifier == ctype_uint) | |
2381 | { | |
2382 | if (dominant == ctype_int) return ctype_uint; | |
2383 | if (dominant == ctype_lint) return ctype_ulint; | |
2384 | if (dominant == ctype_sint) return ctype_usint; | |
2385 | if (dominant == ctype_char) return ctype_uchar; | |
2386 | ||
2387 | /* evs 2000-07-28: added this line */ | |
2388 | if (dominant == ctype_llint) return ctype_ullint; | |
2389 | ||
2390 | if ((dominant == ctype_uint) || dominant == ctype_uchar) | |
2391 | { | |
2392 | voptgenerror (FLG_DUPLICATEQUALS, | |
2393 | message ("Duplicate unsigned qualifier"), | |
2394 | g_currentloc); | |
2395 | ||
2396 | return ctype_uint; | |
2397 | } | |
2398 | else | |
2399 | { | |
2400 | voptgenerror (FLG_DUPLICATEQUALS, | |
2401 | message ("Type qualifier unsigned used with %s", | |
2402 | ctype_unparse (dominant)), | |
2403 | g_currentloc); | |
2404 | ||
2405 | return dominant; | |
2406 | } | |
2407 | } | |
2408 | else if (modifier == ctype_llint) | |
2409 | { | |
2410 | if (dominant == ctype_int) | |
2411 | { | |
2412 | return ctype_llint; | |
2413 | } | |
2414 | ||
2415 | voptgenerror (FLG_DUPLICATEQUALS, | |
2416 | message ("Duplicate long qualifier on non-int"), | |
2417 | g_currentloc); | |
2418 | } | |
2419 | else if (modifier == ctype_lint) | |
2420 | { | |
2421 | if (dominant == ctype_int) return ctype_lint; | |
2422 | if (dominant == ctype_uint) return ctype_ulint; | |
2423 | if (dominant == ctype_double) return ctype_ldouble; | |
2424 | ||
2425 | if (dominant == ctype_lint || dominant == ctype_ulint | |
2426 | || dominant == ctype_sint || dominant == ctype_usint | |
2427 | || dominant == ctype_ldouble) | |
2428 | { | |
2429 | if (dominant == ctype_lint) | |
2430 | { | |
2431 | /* long long not supported by ANSI */ | |
2432 | return ctype_llint; | |
2433 | } | |
2434 | ||
28bf4b0b | 2435 | /* ++jimz */ |
2436 | if (dominant == ctype_ulint) | |
2437 | { | |
2438 | /* unsigned long long not supported by ANSI */ | |
2439 | return ctype_ullint; | |
2440 | } | |
2441 | /* ==jimz */ | |
2442 | ||
616915dd | 2443 | if (dominant == ctype_sint || dominant == ctype_usint) |
2444 | { | |
2445 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2446 | { | |
2447 | llerrorlit (FLG_SYNTAX, | |
2448 | "Contradictory long and short type qualifiers"); | |
2449 | } | |
2450 | } | |
2451 | else | |
2452 | { | |
2453 | voptgenerror (FLG_DUPLICATEQUALS, | |
2454 | message ("Duplicate long qualifier"), | |
2455 | g_currentloc); | |
2456 | } | |
2457 | ||
2458 | return ctype_lint; | |
2459 | } | |
2460 | } | |
2461 | else if (modifier == ctype_sint) | |
2462 | { | |
2463 | if (dominant == ctype_int) return ctype_sint; | |
2464 | if (dominant == ctype_uint) return ctype_usint; | |
2465 | ||
2466 | if (dominant == ctype_sint || dominant == ctype_usint) | |
2467 | { | |
2468 | voptgenerror (FLG_DUPLICATEQUALS, | |
2469 | message ("Duplicate short qualifier"), | |
2470 | g_currentloc); | |
2471 | return ctype_uint; | |
2472 | } | |
2473 | else if (dominant == ctype_lint) | |
2474 | { | |
2475 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2476 | { | |
2477 | llerrorlit (FLG_SYNTAX, | |
2478 | "Contradictory long and short type qualifiers"); | |
2479 | } | |
2480 | ||
2481 | return dominant; | |
2482 | } | |
28bf4b0b | 2483 | /* ++jimz */ |
2484 | else if (dominant == ctype_llint) | |
2485 | { | |
2486 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2487 | { | |
2488 | llerrorlit (FLG_SYNTAX, | |
2489 | "Contradictory long long and short type qualifiers"); | |
2490 | } | |
2491 | ||
2492 | return dominant; | |
2493 | } | |
2494 | /* ==jimz */ | |
616915dd | 2495 | else |
2496 | { | |
2497 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2498 | { | |
2499 | llerror (FLG_SYNTAX, | |
2500 | message ("Type qualifier short used with %s", | |
2501 | ctype_unparse (dominant))); | |
2502 | } | |
2503 | ||
2504 | return dominant; | |
2505 | } | |
2506 | } | |
2507 | else if (modifier == ctype_ulint) | |
2508 | { | |
2509 | if (dominant == ctype_int) return modifier; | |
2510 | ||
2511 | if (dominant == ctype_lint || dominant == ctype_ulint) | |
2512 | { | |
2513 | voptgenerror (FLG_DUPLICATEQUALS, | |
2514 | message ("Duplicate long qualifier"), | |
2515 | g_currentloc); | |
2516 | ||
2517 | return modifier; | |
2518 | } | |
2519 | ||
2520 | if (dominant == ctype_uint || dominant == ctype_usint) | |
2521 | { | |
2522 | voptgenerror (FLG_DUPLICATEQUALS, | |
2523 | message ("Duplicate unsigned qualifier"), | |
2524 | g_currentloc); | |
2525 | ||
2526 | return modifier; | |
2527 | } | |
2528 | ||
2529 | if (dominant == ctype_sint || dominant == ctype_usint) | |
2530 | { | |
2531 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2532 | { | |
2533 | llerrorlit (FLG_SYNTAX, | |
2534 | "Contradictory long and short type qualifiers"); | |
2535 | } | |
2536 | ||
2537 | return dominant; | |
2538 | } | |
2539 | ||
2540 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2541 | { | |
2542 | llerror (FLG_SYNTAX, | |
2543 | message ("Type qualifiers unsigned long used with %s", | |
2544 | ctype_unparse (dominant))); | |
2545 | } | |
2546 | ||
2547 | return dominant; | |
2548 | } | |
2549 | else if (modifier == ctype_usint) | |
2550 | { | |
2551 | if (dominant == ctype_int) return modifier; | |
2552 | ||
2553 | if (dominant == ctype_sint || dominant == ctype_usint) | |
2554 | { | |
2555 | voptgenerror (FLG_DUPLICATEQUALS, | |
2556 | message ("Duplicate short qualifier"), | |
2557 | g_currentloc); | |
2558 | return modifier; | |
2559 | } | |
2560 | ||
2561 | if (dominant == ctype_uint) | |
2562 | { | |
2563 | voptgenerror (FLG_DUPLICATEQUALS, | |
2564 | message ("Duplicate unsigned qualifier"), | |
2565 | g_currentloc); | |
2566 | ||
2567 | return modifier; | |
2568 | } | |
2569 | ||
2570 | if (dominant == ctype_lint || dominant == ctype_ulint | |
2571 | || dominant == ctype_llint) | |
2572 | { | |
2573 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2574 | { | |
2575 | llerrorlit (FLG_SYNTAX, | |
2576 | "Contradictory long and short type qualifiers"); | |
2577 | } | |
2578 | ||
2579 | return dominant; | |
2580 | } | |
2581 | ||
2582 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2583 | { | |
2584 | llerror (FLG_SYNTAX, | |
2585 | message ("Type qualifiers unsigned short used with %s", | |
2586 | ctype_unparse (dominant))); | |
2587 | } | |
2588 | ||
2589 | return dominant; | |
2590 | } | |
2591 | else | |
2592 | { | |
2593 | ; | |
2594 | } | |
2595 | ||
2596 | return dominant; | |
2597 | } | |
2598 | } | |
2599 | ||
2600 | ctype ctype_resolve (ctype c) | |
2601 | { | |
d5047b91 | 2602 | if (ctype_isUnknown (c) && !ctype_isAnytype (c)) |
02b84d4b | 2603 | { |
d5047b91 | 2604 | DPRINTF (("Resolving to int: %s", ctype_unparse (c))); |
02b84d4b | 2605 | return ctype_int; |
2606 | } | |
d5047b91 | 2607 | |
2608 | return c; | |
616915dd | 2609 | } |
2610 | ||
2611 | ctype ctype_fromQual (qual q) | |
2612 | { | |
2613 | if (qual_isSigned (q)) return ctype_int; | |
2614 | if (qual_isUnsigned (q)) return ctype_uint; | |
2615 | if (qual_isLong (q)) return ctype_lint; | |
2616 | if (qual_isShort (q)) return ctype_sint; | |
2617 | ||
2618 | llcontbug (message ("ctype_fromQual: invalid qualifier: %s", qual_unparse (q))); | |
2619 | return ctype_unknown; | |
2620 | } | |
2621 | ||
2622 | bool | |
2623 | ctype_isAnyFloat (ctype c) | |
2624 | { | |
2625 | return (cprim_isAnyReal (ctype_toCprim (c))); | |
2626 | } | |
2627 | ||
2628 | bool | |
2629 | ctype_isUnsigned (ctype c) | |
2630 | { | |
2631 | if (ctype_isConj (c)) | |
2632 | return (ctype_isUnsigned (ctype_getConjA (c)) || | |
2633 | ctype_isUnsigned (ctype_getConjB (c))); | |
2634 | ||
2635 | return (c == ctype_uint || c == ctype_uchar | |
2636 | || c == ctype_usint || c == ctype_ulint | |
28bf4b0b | 2637 | || c == ctype_ullint |
616915dd | 2638 | || c == ctype_unsignedintegral); |
2639 | } | |
2640 | ||
28bf4b0b | 2641 | /* ++jimz */ |
2642 | static bool | |
2643 | ctype_isLongLong (ctype c) | |
2644 | { | |
2645 | if (ctype_isConj (c)) | |
2646 | return (ctype_isLongLong (ctype_getConjA (c)) || | |
2647 | ctype_isLongLong (ctype_getConjB (c))); | |
2648 | ||
2649 | return (c == ctype_llint || c == ctype_ullint); | |
2650 | } | |
2651 | /* ==jimz */ | |
2652 | ||
616915dd | 2653 | static bool |
2654 | ctype_isLong (ctype c) | |
2655 | { | |
2656 | if (ctype_isConj (c)) | |
2657 | return (ctype_isLong (ctype_getConjA (c)) || | |
2658 | ctype_isLong (ctype_getConjB (c))); | |
2659 | ||
2660 | return (c == ctype_lint || c == ctype_ulint); | |
2661 | } | |
2662 | ||
2663 | static bool | |
2664 | ctype_isShort (ctype c) | |
2665 | { | |
2666 | if (ctype_isConj (c)) | |
2667 | return (ctype_isShort (ctype_getConjA (c)) || | |
2668 | ctype_isShort (ctype_getConjB (c))); | |
2669 | ||
2670 | return (c == ctype_sint || c == ctype_usint); | |
2671 | } | |
2672 | ||
2673 | bool | |
2674 | ctype_isStackAllocated (ctype c) | |
2675 | { | |
2676 | ctype ct = ctype_realType (c); | |
2677 | ||
2678 | if (ctype_isConj (ct)) | |
2679 | return (ctype_isStackAllocated (ctype_getConjA (ct)) || | |
2680 | ctype_isStackAllocated (ctype_getConjB (ct))); | |
2681 | ||
2682 | return (ctype_isArray (c) || ctype_isSU (c)); | |
2683 | } | |
2684 | ||
2685 | static bool ctype_isMoreUnsigned (ctype c1, ctype c2) | |
2686 | { | |
2687 | return (ctype_isUnsigned (c1) && !ctype_isUnsigned (c2)); | |
2688 | } | |
2689 | ||
2690 | static bool ctype_isLonger (ctype c1, ctype c2) | |
2691 | { | |
28bf4b0b | 2692 | /* 2001-06-10: Fix for long long's provided by Jim Zelenka */ |
616915dd | 2693 | return ((ctype_isDouble (c1) && !ctype_isDouble (c2)) |
28bf4b0b | 2694 | || (ctype_isLongLong (c1) && !ctype_isLongLong (c2)) |
2695 | || (ctype_isLong (c1) | |
2696 | && (!ctype_isLong (c2)) && (!ctype_isLongLong (c2))) | |
616915dd | 2697 | || (ctype_isShort (c2) && !ctype_isShort (c1))); |
2698 | } | |
2699 | ||
2700 | ctype | |
2701 | ctype_widest (ctype c1, ctype c2) | |
2702 | { | |
28bf4b0b | 2703 | if (ctype_isMoreUnsigned (c2, c1) || ctype_isLonger (c2, c1)) |
616915dd | 2704 | { |
2705 | return c2; | |
2706 | } | |
2707 | else | |
2708 | { | |
2709 | return c1; | |
2710 | } | |
2711 | } | |
2712 | ||
495af944 | 2713 | //static |
2714 | /*@observer@*/ ctbase ctype_getCtbase (ctype c) | |
28bf4b0b | 2715 | { |
2716 | /*@+enumint@*/ | |
2717 | if (c >= 0 && c < cttab.size) | |
2718 | { | |
2719 | return (cttab.entries[c]->ctbase); | |
2720 | } | |
2721 | else | |
2722 | { | |
2723 | if (c == ctype_unknown) | |
2724 | llbuglit ("ctype_getCtbase: ctype unknown"); | |
2725 | if (c == ctype_undefined) | |
2726 | llbuglit ("ctype_getCtbase: ctype undefined"); | |
2727 | if (c == ctype_dne) | |
2728 | llbuglit ("ctype_getCtbase: ctype dne"); | |
2729 | if (c == ctype_elipsMarker) | |
2730 | llbuglit ("ctype_getCtbase: elips marker"); | |
d5047b91 | 2731 | |
28bf4b0b | 2732 | llfatalbug (message ("ctype_getCtbase: ctype out of range: %d", c)); |
2733 | BADEXIT; | |
2734 | } | |
2735 | ||
2736 | /*@=enumint@*/ | |
2737 | } | |
2738 | ||
495af944 | 2739 | //static |
2740 | /*@notnull@*/ /*@observer@*/ ctbase | |
28bf4b0b | 2741 | ctype_getCtbaseSafe (ctype c) |
2742 | { | |
2743 | ctbase res = ctype_getCtbase (c); | |
2744 | ||
2745 | llassert (ctbase_isDefined (res)); | |
2746 | return res; | |
2747 | } | |
2748 | ||
2749 | /* | |
2750 | ** ctentry | |
2751 | */ | |
2752 | ||
2753 | static ctentry | |
2754 | ctype_getCtentry (ctype c) | |
2755 | { | |
2756 | static /*@only@*/ ctentry errorEntry = NULL; | |
2757 | ||
2758 | if (cttab.size == 0) | |
2759 | { | |
2760 | if (errorEntry == NULL) | |
2761 | { | |
2762 | errorEntry = ctentry_makeNew (CTK_UNKNOWN, ctbase_undefined); | |
2763 | } | |
2764 | ||
2765 | return errorEntry; | |
2766 | } | |
2767 | ||
2768 | /*@+enumint@*/ | |
2769 | if (c >= CTK_PLAIN && c < cttab.size) | |
2770 | { | |
2771 | return (cttab.entries[c]); | |
2772 | } | |
2773 | else if (c == CTK_UNKNOWN) | |
2774 | llcontbuglit ("ctype_getCtentry: ctype unknown"); | |
2775 | else if (c == CTK_INVALID) | |
2776 | llcontbuglit ("ctype_getCtentry: ctype invalid (ctype_undefined)"); | |
2777 | else if (c == CTK_DNE) | |
2778 | llcontbuglit ("ctype_getCtentry: ctype dne"); | |
2779 | else if (c == CTK_ELIPS) | |
2780 | llcontbuglit ("ctype_getCtentry: ctype elipsis"); | |
2781 | else if (c == CTK_MISSINGPARAMS) | |
2782 | llcontbuglit ("ctype_getCtentry: ctype missing params"); | |
2783 | else | |
2784 | llbug (message ("ctype_getCtentry: ctype out of range: %d", c)); | |
2785 | ||
2786 | return (cttab.entries[ctype_unknown]); | |
2787 | /*@=enumint@*/ | |
2788 | } | |
2789 | ||
0e5499ac | 2790 | |
2791 | bool ctype_isFixedArray (ctype c) | |
2792 | { | |
2793 | if (ctype_isElips (c)) return FALSE; | |
2794 | ||
2795 | return (ctbase_isFixedArray (ctype_getCtbaseSafe (c))); | |
2796 | } | |
2797 | ||
2798 | ||
616915dd | 2799 | /*drl 11/28/2000 */ |
2800 | /* requires that the type is an fixed array */ | |
2801 | /* return the size of the array */ | |
2802 | ||
37ae0b5e | 2803 | size_t ctype_getArraySize (ctype c) |
616915dd | 2804 | { |
37ae0b5e | 2805 | size_t size; |
0e5499ac | 2806 | |
616915dd | 2807 | ctbase ctb; |
616915dd | 2808 | |
7534721d | 2809 | llassert (ctype_isFixedArray (c)); |
616915dd | 2810 | |
0e5499ac | 2811 | ctb = ctype_getCtbaseSafe(c); |
28bf4b0b | 2812 | size = ctbase_getArraySize (ctb); |
616915dd | 2813 | |
7534721d | 2814 | DPRINTF ((message ("ctype_getArraySize: got fixed array size of %s / %d ", |
2815 | ctype_unparse (c), | |
2816 | (int) size))); | |
28bf4b0b | 2817 | return size; |
616915dd | 2818 | } |
28bf4b0b | 2819 | |
495af944 | 2820 | /*drl added 04-22-2002 */ |
2821 | ||
2822 | /*This is an ugly and hopefuly temporary function to | |
2823 | print a function pointer. | |
2824 | It assumes that ctype_unparse will give it something like | |
2825 | [function (int, float) returns void *] | |
2826 | ||
2827 | to extract information from. | |
2828 | ||
2829 | */ | |
2830 | ||
2831 | /* | |
2832 | cstring ctype_unparseFunctionPointer (ctype type, cstring quals, cstring name) | |
2833 | { | |
2834 | cstring up, params, tmp, returns, ret; | |
2835 | ||
2836 | up = ctype_unparse(type); | |
2837 | ||
2838 | tmp = cstring_beforeChar(up, ')'); | |
2839 | params = cstring_afterChar(tmp, '('); | |
2840 | ||
2841 | params = cstring_concat (params, cstring_makeLiteral(")") ); | |
2842 | ||
2843 | returns = cstring_afterChar(up, ')'); | |
2844 | returns = cstring_afterChar(returns, 's'); | |
2845 | returns = cstring_beforeChar(returns, ']'); | |
2846 | returns = cstring_afterChar(returns, ' '); | |
2847 | ret = message("%s %s (* %s) %s", quals, returns, name, params); | |
2848 | ||
2849 | return ret; | |
2850 | } | |
2851 | */ | |
2852 | ||
2853 | /*drl added */ | |
2854 | cstring qtypetryToPrintStruct(qtype q) | |
2855 | { | |
2856 | ctentry ct; | |
2857 | ctbase base; | |
2858 | uentry ue; | |
2859 | ||
2860 | cstring ret; | |
2861 | ||
2862 | ct = ctype_getCtentry(qtype_getType(q) ); | |
2863 | ||
2864 | llassert (ct != NULL ); | |
2865 | ||
2866 | base = ctentry_getCtbase(ct); | |
2867 | ||
2868 | //evil abstraction violation fix | |
2869 | /*@i232@*/ | |
2870 | /*@access ctbase@*/ | |
2871 | ||
2872 | llassert(ctbase_isDefined(base) ); | |
2873 | ||
2874 | if (base->type == CT_USER) | |
2875 | ||
2876 | { | |
2877 | ue = usymtab_getTypeEntry(base->contents.tid); | |
2878 | ||
2879 | base = ctentry_getCtbase( ctype_getCtentry(uentry_getType (ue) ) ); | |
2880 | ||
2881 | llassert(ctbase_isDefined(base) ); | |
2882 | } | |
2883 | ||
2884 | switch(base->type) | |
2885 | { | |
2886 | case CT_ENUM: | |
2887 | if (isFakeTag(base->contents.cenum->tag) ) | |
2888 | { | |
2889 | ret = message ("enum { %s } ", | |
2890 | enumNameList_unparse(base->contents.cenum->members) ); | |
2891 | } | |
2892 | else | |
2893 | { | |
2894 | ret = message ("enum %s { %s } ",base->contents.cenum->tag, enumNameList_unparse(base->contents.cenum->members) ); | |
2895 | } | |
2896 | break; | |
2897 | case CT_STRUCT: | |
2898 | if (isFakeTag(base->contents.su->name) ) | |
2899 | { | |
2900 | ret = message ("struct { %s } ", | |
2901 | uentryList_unparse(base->contents.su->fields) ); | |
2902 | } | |
2903 | else | |
2904 | { | |
2905 | ret = message ("struct %s { %s } ", | |
2906 | base->contents.su->name, uentryList_unparse(base->contents.su->fields) ); | |
2907 | } | |
2908 | ||
2909 | break; | |
2910 | case CT_UNION: | |
2911 | if (isFakeTag(base->contents.su->name) ) | |
2912 | { | |
2913 | ret = message ("union { %s } ", | |
2914 | uentryList_unparse(base->contents.su->fields) ); | |
2915 | } | |
2916 | else | |
2917 | { | |
2918 | ret = message ("union %s { %s } ", | |
2919 | base->contents.su->name, uentryList_unparse(base->contents.su->fields) ); | |
2920 | } | |
2921 | /*@noaccess ctbase@*/ | |
2922 | break; | |
2923 | case CT_UNKNOWN: | |
2924 | // ret = message("%s", uentry_unparse(ue) ); | |
2925 | // break; | |
2926 | case CT_PRIM: | |
2927 | default: | |
2928 | ret = message ("%s", qtype_unparse(q) ); | |
2929 | break; | |
2930 | ||
2931 | // BADDEFAULT; | |
2932 | } | |
2933 | return ret; | |
2934 | } |