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616915dd | 1 | /* |
11db3170 | 2 | ** Splint - annotation-assisted static program checker |
c59f5181 | 3 | ** Copyright (C) 1994-2003 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 | ||
e5081f8c | 160 | return (cttable_addFullSafe |
161 | (ctentry_makeNew (CTK_PLAIN, ctbase_createAbstract (u)))); | |
162 | } | |
163 | ||
164 | ctype | |
165 | ctype_createNumAbstract (typeId u) | |
166 | { | |
167 | /* requires: ctype_createAbstract (u) is never called more than once for any u. */ | |
168 | /* [ tested by cttable_addFullSafe, not really required ] */ | |
169 | ||
170 | return (cttable_addFullSafe | |
171 | (ctentry_makeNew (CTK_PLAIN, ctbase_createNumAbstract (u)))); | |
616915dd | 172 | } |
173 | ||
174 | int | |
175 | ctype_count (void) | |
176 | { | |
177 | return (cttab.size); | |
178 | } | |
179 | ||
180 | ctype | |
181 | ctype_realType (ctype c) | |
182 | { | |
183 | ctype r = c; | |
184 | ||
2c88d156 | 185 | if (ctype_isElips (c) || ctype_isMissingParamsMarker (c)) |
186 | { | |
187 | return c; | |
188 | } | |
189 | ||
616915dd | 190 | if (ctype_isUA (c)) |
191 | { | |
192 | r = uentry_getRealType (usymtab_getTypeEntry (ctype_typeId (c))); | |
193 | } | |
194 | ||
195 | if (ctype_isManifestBool (r)) | |
196 | { | |
197 | if (context_canAccessBool ()) | |
198 | { | |
199 | r = context_boolImplementationType (); | |
200 | } | |
201 | } | |
202 | ||
203 | return r; | |
204 | } | |
205 | ||
206 | bool | |
207 | ctype_isSimple (ctype c) | |
208 | { | |
bb7c2085 | 209 | return (! (ctype_isPointer (c) |
616915dd | 210 | || ctype_isArray (c) |
211 | || ctype_isFunction (c))); | |
212 | } | |
213 | ||
214 | ctype | |
215 | ctype_forceRealType (ctype c) | |
216 | { | |
217 | ctype r = c; | |
218 | ||
219 | if (ctype_isUA (c)) | |
220 | { | |
221 | r = uentry_getForceRealType (usymtab_getTypeEntry (ctype_typeId (c))); | |
222 | } | |
223 | ||
224 | return r; | |
225 | } | |
226 | ||
227 | ctype | |
228 | ctype_realishType (ctype c) | |
229 | { | |
230 | if (ctype_isUA (c)) | |
231 | { | |
232 | if (ctype_isManifestBool (c)) | |
233 | { | |
234 | return ctype_bool; | |
235 | } | |
236 | else | |
237 | { | |
238 | ctype r = uentry_getRealType (usymtab_getTypeEntry | |
bb7c2085 | 239 | (ctype_typeId (c))); |
616915dd | 240 | return (r); |
241 | } | |
242 | } | |
243 | ||
244 | return c; | |
245 | } | |
246 | ||
247 | bool | |
248 | ctype_isUA (ctype c) | |
249 | { | |
2cecdaff | 250 | return (!ctype_isUnknown (c) |
251 | && ctbase_isUA (ctype_getCtbase (c))); | |
616915dd | 252 | } |
253 | ||
254 | bool | |
255 | ctype_isUser (ctype c) | |
256 | { | |
d5047b91 | 257 | return (!ctype_isUnknown (c) && ctbase_isUser (ctype_getCtbase (c))); |
616915dd | 258 | } |
259 | ||
260 | bool | |
261 | ctype_isAbstract (ctype c) | |
262 | { | |
d5047b91 | 263 | return (!ctype_isUnknown (c) |
28bf4b0b | 264 | && ((ctype_isPlain (c) && ctbase_isAbstract (ctype_getCtbaseSafe (c))) || |
265 | (ctype_isConj (c) && | |
266 | (ctype_isAbstract (ctype_getConjA (c)) | |
267 | || ctype_isAbstract (ctype_getConjB (c)))))); | |
268 | } | |
269 | ||
e5081f8c | 270 | bool |
271 | ctype_isNumAbstract (ctype c) | |
272 | { | |
273 | return (!ctype_isUnknown (c) | |
274 | && ((ctype_isPlain (c) && ctbase_isNumAbstract (ctype_getCtbaseSafe (c))) || | |
275 | (ctype_isConj (c) && | |
276 | (ctype_isNumAbstract (ctype_getConjA (c)) | |
277 | || ctype_isNumAbstract (ctype_getConjB (c)))))); | |
278 | } | |
279 | ||
28bf4b0b | 280 | bool |
281 | ctype_isImmutableAbstract (ctype t) | |
282 | { | |
283 | return (ctype_isAbstract (t) && !ctype_isMutable (t)); | |
616915dd | 284 | } |
285 | ||
286 | bool | |
287 | ctype_isRealAbstract (ctype c) | |
288 | { | |
289 | return (ctype_isAbstract (ctype_realType (c)) || | |
290 | (ctype_isConj (c) && | |
291 | (ctype_isRealAbstract (ctype_getConjA (c)) || | |
292 | ctype_isRealAbstract (ctype_getConjB (c))))); | |
293 | } | |
294 | ||
e5081f8c | 295 | bool |
296 | ctype_isRealNumAbstract (ctype c) | |
297 | { | |
298 | return (ctype_isNumAbstract (ctype_realType (c)) || | |
299 | (ctype_isConj (c) && | |
300 | (ctype_isRealNumAbstract (ctype_getConjA (c)) || | |
301 | ctype_isRealNumAbstract (ctype_getConjB (c))))); | |
302 | } | |
303 | ||
616915dd | 304 | /* |
305 | ** primitive creators | |
306 | */ | |
307 | ||
308 | /* | |
309 | ** createPrim not necessary --- subsumed by ctype_int, etc. | |
310 | */ | |
311 | ||
312 | /* | |
313 | ** ctbase_unknown --- removed argument | |
314 | */ | |
315 | ||
316 | /* | |
317 | ** derived types: | |
318 | ** requires: if DerivedType (T) exists in cttable, then T->derivedType is it. | |
319 | */ | |
320 | ||
321 | ctype | |
322 | ctype_makePointer (ctype c) | |
323 | { | |
324 | if (c == ctype_char) | |
325 | { | |
326 | return ctype_string; | |
327 | } | |
328 | else if (c == ctype_void) | |
329 | { | |
330 | return ctype_voidPointer; | |
331 | } | |
332 | else | |
333 | { | |
334 | ctentry cte = ctype_getCtentry (c); | |
335 | ctype clp = ctentry_getPtr (cte); | |
336 | ||
337 | if /*@+enumint@*/ (clp == CTK_DNE) /*@=enumint@*/ | |
338 | { | |
339 | ctype cnew = cttable_addDerived (CTK_PTR, ctbase_makePointer (c), c); | |
340 | ctentry_setPtr (cte, cnew); | |
28bf4b0b | 341 | return (cnew); |
616915dd | 342 | } |
343 | else | |
344 | { | |
28bf4b0b | 345 | return clp; |
616915dd | 346 | } |
347 | } | |
348 | } | |
349 | ||
37ae0b5e | 350 | ctype ctype_makeFixedArray (ctype c, size_t size) |
616915dd | 351 | { |
077d4458 | 352 | ctype res; |
353 | res = cttable_addDerived (CTK_ARRAY, ctbase_makeFixedArray (c, size), c); | |
354 | return res; | |
355 | } | |
356 | ||
f9e62f40 | 357 | /* |
358 | ** In C, array terms appear backwards: | |
359 | ** | |
360 | ** int a[5][7] | |
361 | ** | |
362 | ** declares an array of 5 elements, each of which is | |
363 | ** an array of 7 int's. | |
364 | ** | |
365 | ** We represent this as, | |
366 | ** | |
367 | ** array (array (int, 7), 5) | |
368 | ** | |
369 | ** Hence, the rightmost declaration is the innermost type. | |
370 | */ | |
371 | ||
37ae0b5e | 372 | ctype ctype_makeInnerFixedArray (ctype c, size_t size) |
077d4458 | 373 | { |
374 | ctype res; | |
375 | ||
f9e62f40 | 376 | DPRINTF (("makeinnerfixed: %s / %d", ctype_unparse (c), size)); |
377 | ||
077d4458 | 378 | if (ctype_isFixedArray (c)) |
379 | { | |
380 | ctype cb = ctype_baseArrayPtr (c); | |
37ae0b5e | 381 | size_t osize = ctype_getArraySize (c); |
382 | ||
383 | res = ctype_makeFixedArray (ctype_makeInnerFixedArray (cb, size), osize); | |
f9e62f40 | 384 | DPRINTF (("res 1: %s", ctype_unparse (res))); |
077d4458 | 385 | } |
393e573f | 386 | else if (ctype_isArray (c)) |
387 | { | |
388 | ctype cb = ctype_baseArrayPtr (c); | |
389 | ||
390 | res = ctype_makeArray (ctype_makeInnerFixedArray (cb, size)); | |
f9e62f40 | 391 | DPRINTF (("res 2: %s", ctype_unparse (res))); |
393e573f | 392 | } |
077d4458 | 393 | else |
394 | { | |
395 | res = ctype_makeFixedArray (c, size); | |
f9e62f40 | 396 | DPRINTF (("res 3: %s", ctype_unparse (res))); |
077d4458 | 397 | } |
398 | ||
f9e62f40 | 399 | DPRINTF (("Make inner fixed array: %s / base: %s", |
400 | ctype_unparse (res), ctype_unparse (ctype_baseArrayPtr (res)))); | |
393e573f | 401 | return res; |
402 | } | |
403 | ||
404 | ctype ctype_makeInnerArray (ctype c) | |
405 | { | |
406 | ctype res; | |
407 | ||
408 | DPRINTF (("Make inner array: %s", ctype_unparse (c))); | |
409 | ||
410 | if (ctype_isFixedArray (c)) | |
411 | { | |
412 | ctype cb = ctype_baseArrayPtr (c); | |
37ae0b5e | 413 | size_t osize = ctype_getArraySize (c); |
414 | ||
415 | res = ctype_makeFixedArray (ctype_makeInnerArray (cb), osize); | |
393e573f | 416 | } |
f9e62f40 | 417 | else if (ctype_isArray (c)) |
418 | { | |
419 | ctype cb = ctype_baseArrayPtr (c); | |
420 | res = ctype_makeArray (ctype_makeInnerArray (cb)); | |
421 | } | |
393e573f | 422 | else |
423 | { | |
424 | res = ctype_makeArray (c); | |
425 | } | |
426 | ||
427 | DPRINTF (("Make inner array: %s", ctype_unparse (res))); | |
077d4458 | 428 | return res; |
616915dd | 429 | } |
430 | ||
431 | ctype | |
432 | ctype_makeArray (ctype c) | |
433 | { | |
434 | ctentry cte = ctype_getCtentry (c); | |
435 | ctype clp = ctentry_getArray (cte); | |
436 | ||
393e573f | 437 | DPRINTF (("Make array: %s", ctype_unparse (c))); |
438 | ||
616915dd | 439 | if /*@+enumint@*/ (clp == CTK_DNE) /*@=enumint@*/ |
440 | { | |
441 | ctype cnew = cttable_addDerived (CTK_ARRAY, ctbase_makeArray (c), c); | |
442 | ctentry_setArray (cte, cnew); | |
443 | return (cnew); | |
444 | } | |
445 | else | |
393e573f | 446 | { |
447 | return clp; | |
448 | } | |
616915dd | 449 | } |
450 | ||
451 | /* | |
452 | ** requires c is a pointer of array | |
453 | */ | |
454 | ||
455 | ctype | |
456 | ctype_baseArrayPtr (ctype c) | |
457 | { | |
458 | ctentry cte = ctype_getCtentry (ctype_realType (c)); | |
459 | ||
460 | if (ctype_isConj (c)) | |
461 | { | |
462 | if (ctype_isAP (ctype_getConjA (c))) | |
463 | { | |
464 | if (ctype_isAP (ctype_getConjB (c))) | |
465 | { | |
466 | return (ctype_makeConj (ctype_baseArrayPtr (ctype_getConjA (c)), | |
467 | ctype_baseArrayPtr (ctype_getConjB (c)))); | |
468 | } | |
469 | else | |
470 | { | |
471 | return (ctype_baseArrayPtr (ctype_getConjA (c))); | |
472 | } | |
473 | } | |
474 | else | |
475 | { | |
476 | return (ctype_baseArrayPtr (ctype_getConjB (c))); | |
477 | } | |
478 | } | |
479 | else if (ctype_isInt (c)) /* could be NULL */ | |
480 | { | |
481 | return ctype_unknown; | |
482 | } | |
483 | else | |
484 | { | |
485 | ctype clp = ctentry_getBase (cte); | |
486 | ||
487 | if (ctype_isBroken (clp)) | |
488 | { | |
6317f163 | 489 | llcontbug (message ("ctype_baseArrayPtr: bogus ctype getting base of: %s", ctype_unparse (c))); |
490 | return ctype_unknown; | |
616915dd | 491 | } |
492 | ||
493 | return clp; | |
494 | } | |
495 | } | |
496 | ||
e0b363ad | 497 | /* |
498 | ** wchar_t * | |
499 | */ | |
500 | ||
501 | ctype | |
502 | ctype_makeWideString () | |
503 | { | |
504 | static ctype res = ctype_unknown; | |
505 | ||
506 | if (ctype_isUnknown (res)) | |
507 | { | |
508 | ctype wchart; | |
509 | ||
510 | if (usymtab_existsType (cstring_makeLiteralTemp ("wchar_t"))) | |
511 | { | |
512 | wchart = uentry_getAbstractType (usymtab_lookup (cstring_makeLiteralTemp ("wchar_t"))); | |
513 | } | |
514 | else | |
515 | { | |
516 | wchart = ctype_char; | |
517 | } | |
518 | ||
519 | res = ctype_makePointer (wchart); | |
520 | } | |
521 | ||
522 | return res; | |
523 | } | |
524 | ||
525 | bool | |
526 | ctype_isWideString (ctype c) | |
527 | { | |
528 | if (ctype_isPointer (c)) | |
529 | { | |
530 | ctype ct = ctype_baseArrayPtr (c); | |
531 | ||
532 | if (usymtab_existsType (cstring_makeLiteralTemp ("wchar_t"))) | |
533 | { | |
534 | return (ct == uentry_getAbstractType (usymtab_lookup (cstring_makeLiteralTemp ("wchar_t")))); | |
535 | } | |
536 | else | |
537 | { | |
538 | return FALSE; | |
539 | } | |
540 | } | |
541 | else | |
542 | { | |
543 | return FALSE; | |
544 | } | |
545 | } | |
546 | ||
616915dd | 547 | ctype |
28bf4b0b | 548 | ctype_getReturnType (ctype c) |
616915dd | 549 | { |
d5047b91 | 550 | if (ctype_isUnknown (c)) |
28bf4b0b | 551 | { |
d5047b91 | 552 | return ctype_unknown; |
28bf4b0b | 553 | } |
554 | ||
616915dd | 555 | return (ctbase_baseFunction (ctype_getCtbaseSafe (c))); |
556 | } | |
557 | ||
558 | /* | |
559 | ** must be a shared pointer | |
560 | */ | |
561 | ||
562 | /*@observer@*/ uentryList | |
563 | ctype_argsFunction (ctype c) | |
564 | { | |
d5047b91 | 565 | if (ctype_isUnknown (c)) |
28bf4b0b | 566 | { |
567 | return uentryList_undefined; | |
568 | } | |
569 | ||
616915dd | 570 | return (ctbase_argsFunction (ctype_getCtbaseSafe (c))); |
571 | } | |
572 | ||
573 | /* | |
574 | ** Returns type with base type p and compound types from c. | |
575 | ** | |
576 | ** i.e., c = char *[]; p = int | |
577 | ** => int *[] | |
578 | */ | |
579 | ||
580 | ctype | |
581 | ctype_newBase (ctype c, ctype p) | |
582 | { | |
583 | return (ctbase_newBase (c, p)); | |
584 | } | |
585 | ||
586 | bool | |
587 | ctype_sameAltTypes (ctype c1, ctype c2) | |
588 | { | |
589 | ctype c1a, c2a; | |
590 | ctype c1b, c2b; | |
591 | ||
592 | llassert (ctype_isConj (c1) && ctype_isConj (c2)); | |
593 | ||
594 | c1a = ctype_getConjA (c1); | |
595 | c2a = ctype_getConjA (c2); | |
596 | ||
597 | c1b = ctype_getConjB (c1); | |
598 | c2b = ctype_getConjB (c2); | |
599 | ||
600 | if (ctype_compare (c1a, c2a) == 0) | |
601 | { | |
602 | if (ctype_compare (c1b, c2b) == 0) | |
603 | { | |
604 | return TRUE; | |
605 | } | |
606 | else | |
607 | { | |
608 | if (ctype_isConj (c1b) && ctype_isConj (c2b)) | |
609 | { | |
610 | return ctype_sameAltTypes (c1b, c2b); | |
611 | } | |
612 | else | |
613 | { | |
614 | return FALSE; | |
615 | } | |
616 | } | |
617 | } | |
618 | else | |
619 | { | |
620 | if (ctype_compare (c1a, c2b) == 0) | |
621 | { | |
622 | if (ctype_compare (c1b, c2a) == 0) | |
623 | { | |
624 | return TRUE; | |
625 | } | |
626 | else | |
627 | { | |
628 | if (ctype_isConj (c1b) && ctype_isConj (c2a)) | |
629 | { | |
630 | return ctype_sameAltTypes (c1b, c2a); | |
631 | } | |
632 | else | |
633 | { | |
634 | return FALSE; | |
635 | } | |
636 | } | |
637 | } | |
638 | else | |
639 | { | |
640 | return FALSE; | |
641 | } | |
642 | } | |
643 | } | |
644 | ||
645 | int | |
646 | ctype_compare (ctype c1, ctype c2) | |
647 | { | |
648 | ctentry ce1; | |
649 | ctentry ce2; | |
650 | ||
d5047b91 | 651 | if (ctype_isUnknown (c1)) |
28bf4b0b | 652 | { |
d5047b91 | 653 | if (ctype_isUnknown (c2)) |
28bf4b0b | 654 | { |
655 | return 0; | |
656 | } | |
657 | else | |
658 | { | |
659 | return 1; | |
660 | } | |
661 | } | |
662 | ||
d5047b91 | 663 | if (ctype_isUnknown (c2)) |
28bf4b0b | 664 | { |
665 | return -1; | |
666 | } | |
667 | ||
616915dd | 668 | /* Can't get entries for special ctypes (elips marker) */ |
669 | ||
670 | if (ctype_isElips (c1) || ctype_isElips (c2) | |
671 | || ctype_isMissingParamsMarker (c1) || ctype_isMissingParamsMarker (c2)) { | |
672 | return int_compare (c1, c2); | |
673 | } | |
674 | ||
675 | ce1 = ctype_getCtentry (c1); | |
676 | ce2 = ctype_getCtentry (c2); | |
677 | ||
678 | if (ctentry_isComplex (ce1)) | |
679 | { | |
680 | if (ctentry_isComplex (ce2)) | |
681 | { | |
682 | return (ctbase_compare (ctype_getCtbase (c1), | |
683 | ctype_getCtbase (c2), FALSE)); | |
684 | } | |
685 | else | |
686 | { | |
687 | return 1; | |
688 | } | |
689 | } | |
690 | else if (ctentry_isComplex (ce2)) | |
691 | { | |
692 | return -1; | |
693 | } | |
694 | else | |
695 | { | |
696 | return (int_compare (c1, c2)); | |
697 | } | |
698 | } | |
699 | ||
700 | /* | |
701 | ** complex types | |
702 | */ | |
703 | ||
704 | /* | |
705 | ** makeFunction: pointer to function returning base | |
706 | */ | |
707 | ||
708 | ctype | |
709 | ctype_makeParamsFunction (ctype base, /*@only@*/ uentryList p) | |
710 | { | |
711 | uentryList_fixImpParams (p); | |
712 | return (ctype_makeFunction (base, p)); | |
713 | } | |
714 | ||
715 | ctype | |
716 | ctype_makeNFParamsFunction (ctype base, /*@only@*/ uentryList p) | |
717 | { | |
718 | uentryList_fixImpParams (p); | |
719 | return (ctbase_makeNFFunction (base, p)); | |
720 | } | |
721 | ||
722 | ctype | |
723 | ctype_makeFunction (ctype base, /*@only@*/ uentryList p) | |
724 | { | |
725 | ctype ret; | |
726 | ret = ctbase_makeFunction (base, p); | |
727 | return (ret); | |
728 | } | |
729 | ||
730 | ctype ctype_expectFunction (ctype c) | |
731 | { | |
732 | /* handle parenthesized declarations */ | |
733 | ||
734 | if (!ctype_isAP (c)) | |
735 | { | |
736 | c = ctype_makePointer (c); | |
737 | } | |
738 | ||
739 | return (cttable_addComplex (ctbase_expectFunction (c))); | |
740 | } | |
741 | ||
e8b84478 | 742 | ctype ctype_dontExpectFunction (ctype c) |
743 | { | |
744 | ctbase ctb = ctype_getCtbase (c); | |
745 | ||
746 | /* what about this? | |
747 | if (!ctype_isAP (c)) | |
748 | { | |
749 | c = ctype_makePointer (c); | |
750 | } | |
751 | */ | |
752 | ||
753 | return (ctbase_getExpectFunction (ctb)); | |
754 | } | |
755 | ||
616915dd | 756 | /* |
757 | ** makeRealFunction: function returning base | |
758 | */ | |
759 | ||
28bf4b0b | 760 | ctype ctype_makeRawFunction (ctype base, uentryList p) |
616915dd | 761 | { |
28bf4b0b | 762 | return (cttable_addComplex (ctbase_makeLiveFunction (base, p))); |
616915dd | 763 | } |
764 | ||
765 | /* | |
766 | ** plain predicates | |
767 | */ | |
768 | ||
769 | /*** | |
770 | **** this is very poorly defined | |
771 | **** | |
772 | **** need to unify function/function pointer meaning | |
773 | ***/ | |
774 | ||
775 | bool | |
776 | ctype_isFunction (ctype c) | |
777 | { | |
28bf4b0b | 778 | if (ctype_isKnown (c) && ctype_isDefined (c)) |
779 | { | |
780 | return (ctbase_isFunction (ctype_getCtbase (c))); | |
781 | } | |
782 | else | |
783 | { | |
784 | return FALSE; | |
785 | } | |
616915dd | 786 | } |
787 | ||
788 | bool | |
789 | ctype_isExpFcn (ctype c) | |
790 | { | |
28bf4b0b | 791 | return (ctype_isKnown (c) && ctbase_isExpFcn (ctype_getCtbase (c))); |
616915dd | 792 | } |
793 | ||
794 | bool | |
795 | ctype_isVoid (ctype c) | |
796 | { | |
797 | return (c == CTX_VOID); | |
798 | } | |
799 | ||
800 | bool | |
801 | ctype_isArbitraryIntegral (ctype c) | |
802 | { | |
803 | ctype cr = ctype_realType (c); | |
804 | ||
805 | return (cr == ctype_anyintegral || cr == ctype_unsignedintegral | |
806 | || cr == ctype_signedintegral); | |
807 | } | |
808 | ||
809 | bool | |
810 | ctype_isUnsignedIntegral (ctype c) | |
811 | { | |
812 | ctype cr = ctype_realType (c); | |
813 | ||
814 | return (cr == ctype_unsignedintegral); | |
815 | } | |
816 | ||
817 | bool | |
818 | ctype_isSignedIntegral (ctype c) | |
819 | { | |
820 | ctype cr = ctype_realType (c); | |
821 | ||
822 | return (cr == ctype_signedintegral); | |
823 | } | |
824 | ||
825 | bool | |
826 | ctype_isInt (ctype c) | |
827 | { | |
828 | cprim cp = ctype_toCprim (c); | |
829 | ||
830 | return (c == ctype_unknown || cprim_isAnyInt (cp) | |
831 | || (cprim_isAnyChar (cp) && context_msgCharInt ()) | |
832 | || (c == ctype_bool && context_msgBoolInt ()) | |
833 | || (ctype_isEnum (c) && context_msgEnumInt ())); | |
834 | } | |
835 | ||
836 | bool | |
837 | ctype_isRegularInt (ctype c) | |
838 | { | |
839 | cprim cp = ctype_toCprim (c); | |
840 | ||
841 | return (c == ctype_unknown | |
842 | || cprim_closeEnough (cprim_int, cp) | |
843 | || (cprim_isAnyChar (cp) && context_msgCharInt ()) | |
844 | || (c == ctype_bool && context_msgBoolInt ()) | |
845 | || (ctype_isEnum (c) && context_msgEnumInt ())); | |
846 | } | |
847 | ||
848 | bool | |
849 | ctype_isString (ctype c) | |
850 | { | |
851 | return (c == ctype_string | |
852 | || (ctype_isPointer (c) | |
853 | && ctype_isChar (ctype_baseArrayPtr (c)))); | |
854 | } | |
855 | ||
856 | bool | |
857 | ctype_isChar (ctype c) | |
858 | { | |
859 | return ((c == ctype_unknown) || (cprim_isAnyChar (ctype_toCprim (c))) | |
860 | || (context_getFlag (FLG_CHARINT) && ctype_isInt (c))); | |
861 | } | |
862 | ||
863 | bool | |
864 | ctype_isUnsignedChar (ctype c) | |
865 | { | |
866 | return ((c == ctype_unknown) || (cprim_isUnsignedChar (ctype_toCprim (c)))); | |
867 | } | |
868 | ||
869 | bool | |
870 | ctype_isSignedChar (ctype c) | |
871 | { | |
872 | return ((c == ctype_unknown) || (cprim_isSignedChar (ctype_toCprim (c)))); | |
873 | } | |
874 | ||
875 | /* | |
876 | ** Returns true if c matches the name -booltype <bool> | |
877 | */ | |
878 | ||
879 | bool | |
880 | ctype_isManifestBool (ctype c) | |
881 | { | |
882 | /* | |
883 | ** Changed the meaning of ctype_isBool - evs 2000-07-24 | |
884 | ** The old meaning was very convoluted! | |
885 | ** | |
886 | ** c is a bool if: | |
887 | ** c == CTX_BOOL - its a direct bool | |
888 | ** c is a user/abstract type matching the bool name | |
889 | ** (should never occur?) | |
890 | */ | |
891 | ||
892 | if (ctype_isDirectBool (c)) { | |
893 | return TRUE; | |
894 | } else if (ctype_isUA (c)) { | |
895 | return ctype_isUserBool (c); | |
896 | } else { | |
897 | return FALSE; | |
898 | } | |
899 | } | |
900 | ||
901 | bool | |
902 | ctype_isBool (ctype c) | |
903 | { | |
904 | /* | |
905 | ** Changed the meaning of ctype_isBool - evs 2000-07-24 | |
906 | ** The old meaning was very convoluted! | |
907 | ** | |
908 | ** c is a bool if: | |
909 | ** its a manifest bool | |
910 | ** +boolint and ctype_isInt (c) | |
911 | */ | |
912 | ||
913 | if (ctype_isManifestBool (c)) { | |
914 | return TRUE; | |
915 | } else if (context_msgBoolInt ()) { | |
916 | return ctype_isInt (c); | |
917 | } else { | |
918 | return FALSE; | |
919 | } | |
920 | ||
921 | # if 0 | |
922 | if (context_getFlag (FLG_ABSTRACTBOOL)) | |
923 | { | |
924 | if (typeId_isInvalid (boolType)) | |
925 | { | |
926 | boolType = usymtab_getTypeId (context_getBoolName ()); | |
927 | } | |
928 | ||
929 | if (context_hasAccess (boolType)) | |
930 | { | |
931 | return (((c == CTX_UNKNOWN) || (c == CTX_BOOL) | |
932 | || (context_msgBoolInt () | |
933 | && (c == CTX_INT | |
934 | || (c == CTX_CHAR && context_msgCharInt ())))) | |
935 | || ctype_isInt (c)); | |
936 | } | |
937 | } | |
938 | ||
939 | return ((c == CTX_UNKNOWN) || (c == CTX_BOOL) | |
940 | || (context_msgBoolInt () | |
941 | && (c == CTX_INT || (c == CTX_CHAR && context_msgCharInt ())))); | |
942 | # endif | |
943 | } | |
944 | ||
945 | bool | |
946 | ctype_isDirectBool (ctype c) | |
947 | { | |
948 | return (c == CTX_BOOL); | |
949 | } | |
950 | ||
951 | bool | |
952 | ctype_isReal (ctype c) | |
953 | { | |
954 | return (cprim_isAnyReal (ctype_toCprim (c))); | |
955 | } | |
956 | ||
957 | bool | |
958 | ctype_isFloat (ctype c) | |
959 | { | |
960 | return (c == ctype_float); | |
961 | } | |
962 | ||
963 | bool | |
964 | ctype_isDouble (ctype c) | |
965 | { | |
966 | return (c == ctype_double || c == ctype_ldouble); | |
967 | } | |
968 | ||
969 | bool | |
970 | ctype_isSigned (ctype c) | |
971 | { | |
972 | return (!ctype_isUnsigned (c)); | |
973 | } | |
974 | ||
975 | bool | |
976 | ctype_isNumeric (ctype c) | |
977 | { | |
2209bcb7 | 978 | return (ctype_isInt (c) || ctype_isReal (c) || ctype_isEnum (c) |
979 | /* evans 2001-10-05: added this: */ | |
980 | || ctype_isArbitraryIntegral (c)); | |
616915dd | 981 | } |
982 | ||
983 | ||
984 | /* | |
985 | ** real predicates | |
986 | ** | |
987 | ** work on actual type in current context | |
988 | */ | |
989 | ||
990 | bool | |
991 | ctype_isRealNumeric (ctype c) | |
992 | { | |
993 | if (ctype_isPlain (c)) | |
994 | return (ctype_isNumeric (ctype_realType (c))); | |
995 | if (ctype_isConj (c)) | |
996 | return (ctype_isRealNumeric (ctype_getConjA (c)) || | |
997 | ctype_isRealNumeric (ctype_getConjB (c))); | |
998 | else | |
999 | return FALSE; | |
1000 | } | |
1001 | ||
1002 | bool | |
1003 | ctype_isRealInt (ctype c) | |
1004 | { | |
1005 | if (ctype_isPlain (c)) | |
1006 | return (ctype_isInt (ctype_realType (c))); | |
1007 | else if (ctype_isConj (c)) | |
1008 | return (ctype_isRealInt (ctype_getConjA (c)) || | |
1009 | ctype_isRealInt (ctype_getConjB (c))); | |
1010 | else | |
1011 | { | |
1012 | if (ctype_isEnum (c) && context_msgEnumInt ()) return TRUE; | |
1013 | return FALSE; | |
1014 | } | |
1015 | } | |
1016 | ||
1017 | bool | |
1018 | ctype_isRealVoid (ctype c) | |
1019 | { | |
1020 | if (ctype_isPlain (c)) | |
1021 | { | |
1022 | return (ctype_isVoid (ctype_realType (c))); | |
1023 | } | |
1024 | else if (ctype_isConj (c)) | |
1025 | { | |
1026 | return (ctype_isRealVoid (ctype_getConjA (c)) || | |
1027 | ctype_isRealVoid (ctype_getConjB (c))); | |
1028 | } | |
1029 | else | |
1030 | { | |
1031 | return FALSE; | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | bool | |
1036 | ctype_isRealBool (ctype c) | |
1037 | { | |
1038 | if (ctype_isPlain (c)) | |
1039 | { | |
1040 | return (ctype_isBool (ctype_realishType (c))); | |
1041 | } | |
1042 | else if (ctype_isConj (c)) | |
1043 | { | |
1044 | return (ctype_isRealBool (ctype_getConjA (c)) || | |
1045 | ctype_isRealBool (ctype_getConjB (c))); | |
1046 | } | |
1047 | else | |
1048 | { | |
1049 | return FALSE; | |
1050 | } | |
1051 | } | |
1052 | ||
1053 | bool | |
1054 | ctype_isRealPointer (ctype c) | |
1055 | { | |
1056 | if (ctype_isConj (c)) | |
1057 | return (ctype_isRealPointer (ctype_getConjA (c)) || | |
1058 | ctype_isRealPointer (ctype_getConjB (c))); | |
1059 | return (ctype_isPointer (ctype_realType (c))); | |
1060 | } | |
1061 | ||
1062 | bool | |
1063 | ctype_isRealSU (ctype c) | |
1064 | { | |
1065 | if (ctype_isConj (c)) | |
1066 | { | |
1067 | return (ctype_isRealSU (ctype_getConjA (c)) || | |
1068 | ctype_isRealSU (ctype_getConjB (c))); | |
1069 | } | |
28bf4b0b | 1070 | |
1071 | DPRINTF (("Real su: %s / %s", ctype_unparse (c), ctype_unparse (ctype_realType (c)))); | |
616915dd | 1072 | return (ctype_isStructorUnion (ctype_realType (c))); |
1073 | } | |
1074 | ||
1075 | bool | |
1076 | ctype_isRealArray (ctype c) | |
1077 | { | |
1078 | if (ctype_isConj (c)) | |
1079 | return (ctype_isRealArray (ctype_getConjA (c)) || | |
1080 | ctype_isRealArray (ctype_getConjB (c))); | |
1081 | return (ctype_isArray (ctype_realType (c))); | |
1082 | } | |
1083 | ||
1084 | bool | |
1085 | ctype_isRealAP (ctype c) | |
1086 | { | |
1087 | if (ctype_isConj (c)) | |
1088 | return (ctype_isRealAP (ctype_getConjA (c)) || | |
1089 | ctype_isRealAP (ctype_getConjB (c))); | |
1090 | return (ctype_isAP (ctype_realType (c))); | |
1091 | } | |
1092 | ||
1093 | bool | |
1094 | ctype_isRealFunction (ctype c) | |
1095 | { | |
1096 | if (ctype_isConj (c)) | |
1097 | return (ctype_isRealFunction (ctype_getConjA (c)) || | |
1098 | ctype_isRealFunction (ctype_getConjB (c))); | |
1099 | return (ctype_isFunction (ctype_realType (c))); | |
1100 | } | |
1101 | ||
1102 | bool | |
1103 | ctype_isDirectInt (ctype c) | |
1104 | { | |
1105 | return (c == CTX_INT || c == CTX_UINT || c == CTX_SINT || c == CTX_ULINT || c == CTX_USINT); | |
1106 | } | |
1107 | ||
1108 | /* | |
1109 | ** forceful predicates | |
1110 | ** | |
1111 | ** take *ctype; if its a conjunct, and there is a match replace with match only. | |
1112 | ** if both match, still conjunct | |
1113 | */ | |
1114 | ||
1115 | static bool | |
1116 | ctype_isForcePred (ctype * c, bool (pred) (ctype)) | |
1117 | { | |
86d93ed3 | 1118 | /*drl bee: pbr */ if (ctype_isConj (*c)) |
616915dd | 1119 | { |
1120 | ctype cbr = ctype_getConjA (*c); | |
1121 | ||
8fd556fb | 1122 | if ((*pred) (cbr)) |
616915dd | 1123 | { |
1124 | if ((*pred) (ctype_getConjB (*c))) | |
1125 | { | |
1126 | ; | |
1127 | } | |
1128 | else | |
1129 | { | |
1130 | *c = cbr; | |
1131 | } | |
1132 | ||
1133 | return TRUE; | |
1134 | } | |
1135 | else | |
1136 | { | |
1137 | if ((*pred) (cbr = ctype_getConjB (*c))) | |
1138 | { | |
1139 | *c = cbr; | |
1140 | return TRUE; | |
1141 | } | |
1142 | } | |
1143 | } | |
1144 | ||
1145 | return ((*pred) (*c)); | |
1146 | } | |
1147 | ||
1148 | bool | |
1149 | ctype_isForceRealNumeric (ctype * c) | |
1150 | { | |
1151 | return (ctype_isForcePred (c, ctype_isRealNumeric)); | |
1152 | } | |
1153 | ||
1154 | bool | |
1155 | ctype_isForceRealInt (ctype * c) | |
1156 | { | |
1157 | return (ctype_isForcePred (c, ctype_isRealInt)); | |
1158 | } | |
1159 | ||
1160 | bool | |
1161 | ctype_isForceRealBool (ctype * c) | |
1162 | { | |
1163 | return (ctype_isForcePred (c, ctype_isRealBool)); | |
1164 | } | |
1165 | ||
1166 | /* | |
1167 | ** conjuncts | |
1168 | ** | |
1169 | ** save int/char, int/bool, other random conjuncts | |
1170 | */ | |
1171 | ||
1172 | static ctype | |
1173 | ctype_makeConjAux (ctype c1, ctype c2, bool isExplicit) | |
1174 | { | |
1175 | if (ctype_isBogus (c1) || ctype_isUndefined (c1)) | |
1176 | { | |
1177 | return c2; | |
1178 | } | |
1179 | else if (ctype_isBogus (c2) || ctype_isUndefined (c2)) | |
1180 | { | |
1181 | return c1; | |
1182 | } | |
1183 | else | |
1184 | { | |
1185 | if (isExplicit) | |
1186 | { | |
1187 | return (ctype_makeExplicitConj (c1, c2)); | |
1188 | } | |
1189 | else | |
1190 | { | |
1191 | return (ctype_makeConj (c1, c2)); | |
1192 | } | |
1193 | } | |
1194 | } | |
1195 | ||
1196 | ctype | |
1197 | ctype_makeExplicitConj (ctype c1, ctype c2) | |
1198 | { | |
d5047b91 | 1199 | if (ctype_isAnytype (c1) || ctype_isAnytype (c2)) |
1200 | { | |
1201 | return ctype_makeAnytype (); | |
1202 | } | |
1203 | else if (ctype_isFunction (c1) && !ctype_isFunction (c2)) | |
616915dd | 1204 | { |
28bf4b0b | 1205 | ctype ret = ctype_makeExplicitConj (ctype_getReturnType (c1), c2); |
616915dd | 1206 | |
1207 | return ctype_makeFunction (ret, uentryList_copy (ctype_getParams (c1))); | |
1208 | } | |
1209 | else if (ctype_isFunction (c2) && !ctype_isFunction (c1)) | |
1210 | { | |
28bf4b0b | 1211 | ctype ret = ctype_makeExplicitConj (c1, ctype_getReturnType (c2)); |
616915dd | 1212 | |
1213 | return ctype_makeFunction (ret, uentryList_copy (ctype_getParams (c2))); | |
1214 | } | |
1215 | else | |
1216 | { | |
1217 | return (cttable_addComplex (ctbase_makeConj (c1, c2, TRUE))); | |
1218 | } | |
1219 | } | |
1220 | ||
1221 | static ctype ic = ctype_unknown; /* int | char */ | |
1222 | static ctype ib = ctype_unknown; /* int | bool */ | |
1223 | static ctype ifl = ctype_unknown; /* int | float */ | |
1224 | static ctype ibf = ctype_unknown; /* int | bool | float */ | |
1225 | static ctype ibc = ctype_unknown; /* int | bool | char */ | |
1226 | static ctype iv = ctype_unknown; /* int | void * */ | |
1227 | static ctype ivf = ctype_unknown; /* int | void * | float */ | |
1228 | static ctype ivb = ctype_unknown; /* int | void * | bool */ | |
1229 | static ctype ivbf = ctype_unknown; /* int | void * | bool | float */ | |
1230 | static ctype cuc = ctype_unknown; /* char | unsigned char */ | |
1231 | ||
d5047b91 | 1232 | static ctype cany = ctype_unknown; |
1233 | ||
1234 | ctype | |
1235 | ctype_makeAnytype () | |
1236 | { | |
1237 | if (cany == ctype_unknown) | |
1238 | { | |
1239 | cany = ctype_makeConj (ctype_unknown, ctype_dne); | |
1240 | llassert (ctype_isAnytype (cany)); | |
1241 | } | |
1242 | ||
1243 | DPRINTF (("make anytype: %s", ctype_unparse (cany))); | |
1244 | return cany; | |
1245 | } | |
1246 | ||
1247 | bool | |
1248 | ctype_isAnytype (ctype c) | |
1249 | { | |
1250 | return (c == cany); | |
1251 | } | |
1252 | ||
616915dd | 1253 | static void |
1254 | ctype_recordConj (ctype c) | |
1255 | { | |
1256 | ctype c1, c2; | |
1257 | ||
1258 | llassert (ctype_isConj (c)); | |
1259 | ||
1260 | c1 = ctype_getConjA (c); | |
1261 | c2 = ctype_getConjB (c); | |
1262 | ||
1263 | /* No, can't swap! | |
1264 | if (c2 == ctype_int && c1 != ctype_int) | |
1265 | { | |
1266 | ctype tmp; | |
1267 | ||
1268 | tmp = c1; | |
1269 | c1 = c2; | |
1270 | c2 = tmp; | |
1271 | } | |
1272 | */ | |
1273 | ||
1274 | if (c1 == ctype_int) | |
1275 | { | |
1276 | if (c2 == ctype_char) | |
1277 | { | |
1278 | llassert (ic == ctype_unknown); | |
1279 | ic = c; | |
1280 | } | |
1281 | else if (c2 == ctype_bool) | |
1282 | { | |
1283 | llassert (ib == ctype_unknown); | |
1284 | ib = c; | |
1285 | } | |
1286 | else if (c2 == ctype_float) | |
1287 | { | |
1288 | llassert (ifl == ctype_unknown); | |
1289 | ifl = c; | |
1290 | } | |
1291 | else if (c2 == CTP_VOID) | |
1292 | { | |
1293 | llassert (iv == ctype_unknown); | |
1294 | iv = c; | |
1295 | } | |
1296 | else | |
1297 | { | |
1298 | /* not special */ | |
1299 | } | |
1300 | } | |
1301 | else if (c1 == ib && ib != ctype_unknown) | |
1302 | { | |
1303 | if (c2 == ctype_float) | |
1304 | { | |
1305 | llassert (ibf == ctype_unknown); | |
1306 | ibf = c; | |
1307 | } | |
1308 | else if (c2 == ctype_char) | |
1309 | { | |
1310 | llassert (ibc == ctype_unknown); | |
1311 | ibc = c; | |
1312 | } | |
1313 | else | |
1314 | { | |
1315 | /* not special */ | |
1316 | } | |
1317 | } | |
1318 | else if (c1 == iv) | |
1319 | { | |
1320 | if (c2 == ctype_bool) | |
1321 | { | |
1322 | llassert (ivb == ctype_unknown); | |
1323 | ivb = c; | |
1324 | } | |
1325 | else if (c2 == ctype_float) | |
1326 | { | |
1327 | llassert (ivf == ctype_unknown); | |
1328 | ivf = c; | |
1329 | } | |
1330 | else | |
1331 | { | |
1332 | /* not special */ | |
1333 | } | |
1334 | } | |
1335 | else if (c1 == ivf) | |
1336 | { | |
1337 | if (c2 == ctype_bool) | |
1338 | { | |
1339 | llassert (ivbf == ctype_unknown); | |
1340 | ivbf = c; | |
1341 | } | |
1342 | } | |
1343 | else if (c1 == ivb) | |
1344 | { | |
1345 | if (c2 == ctype_float) | |
1346 | { | |
1347 | llassert (ivbf == ctype_unknown); | |
1348 | ivbf = c; | |
1349 | } | |
1350 | } | |
1351 | else if (c1 == ctype_char) | |
1352 | { | |
1353 | if (c2 == ctype_uchar) | |
1354 | { | |
1355 | llassert (cuc == ctype_unknown); | |
1356 | ||
1357 | cuc = c; | |
1358 | } | |
1359 | } | |
1360 | else | |
1361 | { | |
1362 | /* not special */ | |
1363 | } | |
1364 | } | |
1365 | ||
1366 | ctype | |
1367 | ctype_makeConj (ctype c1, ctype c2) | |
1368 | { | |
1369 | /* no: can have unsigned long @alt long@: llassert (c1 != c2); */ | |
1370 | ||
1371 | DPRINTF (("Make conj: %s / %s", ctype_unparse (c1), ctype_unparse (c2))); | |
1372 | ||
d5047b91 | 1373 | if (ctype_isAnytype (c1)) |
1374 | { | |
1375 | return c1; | |
1376 | } | |
1377 | else if (ctype_isAnytype (c2)) | |
1378 | { | |
1379 | return c2; | |
1380 | } | |
1381 | else if (ctype_isUnknown (c1)) | |
616915dd | 1382 | { |
28bf4b0b | 1383 | return c2; |
1384 | } | |
1385 | else if (ctype_isUnknown (c2)) | |
1386 | { | |
1387 | return c1; | |
1388 | } | |
1389 | else if (ctype_isFunction (c1) && !ctype_isFunction (c2)) | |
1390 | { | |
1391 | ctype ret = ctype_makeConj (ctype_getReturnType (c1), c2); | |
616915dd | 1392 | return ctype_makeFunction (ret, uentryList_copy (ctype_getParams (c1))); |
1393 | } | |
1394 | else if (ctype_isFunction (c2) && !ctype_isFunction (c1)) | |
1395 | { | |
28bf4b0b | 1396 | ctype ret = ctype_makeConj (c1, ctype_getReturnType (c2)); |
616915dd | 1397 | return ctype_makeFunction (ret, uentryList_copy (ctype_getParams (c2))); |
1398 | } | |
1399 | else | |
1400 | { | |
1401 | if (ctype_isManifestBool (c1)) | |
1402 | { | |
1403 | c1 = ctype_bool; | |
1404 | } | |
1405 | ||
1406 | if (ctype_isManifestBool (c2)) | |
1407 | { | |
1408 | c2 = ctype_bool; | |
1409 | } | |
1410 | ||
1411 | if (ctbase_isVoidPointer (ctype_getCtbaseSafe (c1))) | |
1412 | { | |
1413 | c1 = ctype_voidPointer; | |
1414 | } | |
1415 | ||
1416 | if (ctbase_isVoidPointer (ctype_getCtbaseSafe (c2))) | |
1417 | { | |
1418 | c2 = ctype_voidPointer; | |
1419 | } | |
1420 | ||
1421 | /* | |
1422 | ** Ouch, can't do this. unsigned, etc. modifiers might | |
1423 | ** apply to wrong type! | |
1424 | ** | |
1425 | ** if (c2 == ctype_int && c1 != ctype_int) | |
1426 | ** { | |
1427 | ** ctype tmp; | |
1428 | ** | |
1429 | ** tmp = c1; | |
1430 | ** c1 = c2; | |
1431 | ** c2 = tmp; | |
1432 | ** } | |
1433 | ** | |
1434 | */ | |
1435 | ||
1436 | if (c1 == ctype_int) | |
1437 | { | |
1438 | if (c2 == ctype_char) | |
1439 | { | |
1440 | if (ic == ctype_unknown) | |
1441 | { | |
1442 | ic = cttable_addComplex (ctbase_makeConj (ctype_int, ctype_char, FALSE)); | |
1443 | } | |
1444 | ||
1445 | return ic; | |
1446 | } | |
1447 | else if (c2 == ctype_bool) | |
1448 | { | |
1449 | if (ib == ctype_unknown) | |
1450 | { | |
1451 | ib = cttable_addComplex | |
1452 | (ctbase_makeConj (ctype_int, ctype_bool, FALSE)); | |
1453 | } | |
1454 | ||
1455 | return ib; | |
1456 | } | |
1457 | else if (c2 == ctype_float) | |
1458 | { | |
1459 | if (ifl == ctype_unknown) | |
1460 | { | |
1461 | ifl = cttable_addComplex (ctbase_makeConj (ctype_int, ctype_float, FALSE)); | |
1462 | } | |
1463 | ||
1464 | return ifl; | |
1465 | } | |
1466 | else | |
1467 | { | |
1468 | if (c2 == ctype_voidPointer) | |
1469 | { | |
1470 | if (iv == ctype_unknown) | |
1471 | { | |
1472 | iv = cttable_addComplex | |
bb7c2085 | 1473 | (ctbase_makeConj (ctype_int, |
616915dd | 1474 | ctype_voidPointer, |
1475 | FALSE)); | |
1476 | } | |
1477 | ||
1478 | return iv; | |
1479 | } | |
1480 | } | |
1481 | } | |
1482 | else if (c1 == ib && ib != ctype_unknown) | |
1483 | { | |
1484 | if (c2 == ctype_float) | |
1485 | { | |
1486 | if (ibf == ctype_unknown) | |
1487 | { | |
1488 | ibf = cttable_addComplex (ctbase_makeConj (ib, ctype_float, FALSE)); | |
1489 | } | |
1490 | ||
1491 | return ibf; | |
1492 | } | |
1493 | else if (c2 == ctype_char) | |
1494 | { | |
1495 | if (ibc == ctype_unknown) | |
1496 | { | |
1497 | ibc = cttable_addComplex (ctbase_makeConj (ib, ctype_char, FALSE)); | |
1498 | } | |
1499 | ||
1500 | return ibc; | |
1501 | } | |
1502 | else | |
1503 | { | |
1504 | ; | |
1505 | } | |
1506 | } | |
1507 | else if (c1 == iv) | |
1508 | { | |
1509 | if (c2 == ctype_bool) | |
1510 | { | |
1511 | if (ivb == ctype_unknown) | |
1512 | { | |
1513 | ivb = cttable_addComplex (ctbase_makeConj (c1, c2, FALSE)); | |
1514 | } | |
1515 | ||
1516 | return ivb; | |
1517 | } | |
1518 | else if (c2 == ctype_float) | |
1519 | { | |
1520 | if (ivf == ctype_unknown) | |
1521 | { | |
1522 | ivf = cttable_addComplex (ctbase_makeConj (c1, c2, FALSE)); | |
1523 | } | |
1524 | ||
1525 | return ivf; | |
1526 | } | |
1527 | else | |
1528 | { | |
1529 | ; | |
1530 | } | |
1531 | } | |
1532 | else if (c1 == ivf) | |
1533 | { | |
1534 | if (c2 == ctype_bool) | |
1535 | { | |
1536 | if (ivbf == ctype_unknown) | |
1537 | { | |
1538 | ivbf = cttable_addComplex (ctbase_makeConj (c1, c2, FALSE)); | |
1539 | } | |
1540 | ||
1541 | return ivbf; | |
1542 | } | |
1543 | } | |
1544 | else if (c1 == ivb) | |
1545 | { | |
1546 | if (c2 == ctype_float) | |
1547 | { | |
1548 | if (ivbf == ctype_unknown) | |
1549 | { | |
1550 | ivbf = cttable_addComplex (ctbase_makeConj (c1, c2, FALSE)); | |
1551 | } | |
1552 | ||
1553 | return ivbf; | |
1554 | } | |
1555 | } | |
1556 | else if (c1 == ctype_char) | |
1557 | { | |
1558 | if (c2 == ctype_uchar) | |
1559 | { | |
1560 | if (cuc == ctype_unknown) | |
1561 | { | |
1562 | cuc = cttable_addComplex (ctbase_makeConj (c1, c2, FALSE)); | |
1563 | } | |
1564 | ||
1565 | return cuc; | |
1566 | } | |
1567 | } | |
1568 | else | |
1569 | { | |
1570 | ; | |
1571 | } | |
616915dd | 1572 | |
1573 | return (cttable_addComplex (ctbase_makeConj (c1, c2, FALSE))); | |
1574 | } | |
1575 | } | |
1576 | ||
1577 | ||
1578 | bool | |
1579 | ctype_isConj (ctype c) | |
1580 | { | |
1581 | return (ctype_isComplex (c) && ctbase_isConj (ctype_getCtbase (c))); | |
1582 | } | |
1583 | ||
1584 | static ctype | |
1585 | ctype_getConjA (ctype c) | |
1586 | { | |
1587 | if (!ctype_isConj (c)) | |
1588 | llbuglit ("ctype_getConjA: not a conj"); | |
1589 | return (ctbase_getConjA (ctype_getCtbaseSafe (c))); | |
1590 | } | |
1591 | ||
1592 | static ctype | |
1593 | ctype_getConjB (ctype c) | |
1594 | { | |
1595 | if (!ctype_isConj (c)) | |
1596 | llbuglit ("ctype_getConjB: not a conj"); | |
1597 | return (ctbase_getConjB (ctype_getCtbaseSafe (c))); | |
1598 | } | |
1599 | ||
1600 | static bool | |
1601 | ctype_isExplicitConj (ctype c) | |
1602 | { | |
1603 | return (ctype_isConj (c) && ctbase_isExplicitConj (ctype_getCtbaseSafe (c))); | |
1604 | } | |
1605 | ||
1606 | /** << need to fix resolveConj >> **/ | |
1607 | ||
1608 | /* | |
1609 | ** structs and unions | |
1610 | */ | |
1611 | ||
1612 | ctype | |
1613 | ctype_createStruct (/*@only@*/ cstring n, /*@only@*/ uentryList f) | |
1614 | { | |
1615 | ctype ct; | |
1616 | ||
1617 | DPRINTF (("Creating a struct: %s / %s", | |
1618 | n, uentryList_unparse (f))); | |
1619 | ||
1620 | ct = cttable_addComplex (ctbase_createStruct (n, f)); | |
1621 | DPRINTF (("ct: %s", ctype_unparse (ct))); | |
1622 | return (ct); | |
1623 | } | |
1624 | ||
1625 | uentryList | |
1626 | ctype_getFields (ctype c) | |
1627 | { | |
1628 | return (ctbase_getuentryList (ctype_getCtbaseSafe (c))); | |
1629 | } | |
1630 | ||
1631 | ctype | |
1632 | ctype_createUnion (/*@only@*/ cstring n, /*@only@*/ uentryList f) | |
1633 | { | |
1634 | ctype ret; | |
1635 | ||
1636 | ret = cttable_addComplex (ctbase_createUnion (n, f)); | |
1637 | return ret; | |
1638 | } | |
1639 | ||
1640 | /* | |
1641 | ** matching | |
1642 | ** | |
1643 | ** if ctype's are same, definite match. | |
1644 | ** else, need to call ctbase_match. | |
1645 | ** | |
1646 | ** if necessary context can memoize matches | |
1647 | */ | |
1648 | ||
1649 | static bool | |
1650 | quickMatch (ctype c1, ctype c2) | |
1651 | { | |
1652 | if (c1 == c2) | |
1653 | return TRUE; | |
1654 | ||
1655 | return FALSE; | |
1656 | } | |
1657 | ||
1658 | bool | |
1659 | ctype_genMatch (ctype c1, ctype c2, bool force, bool arg, bool def, bool deep) | |
1660 | { | |
1661 | bool match; | |
1662 | ||
1663 | DPRINTF (("Gen match: %s / %s arg: %s", ctype_unparse (c1), ctype_unparse (c2), bool_unparse (arg))); | |
1664 | ||
1665 | if (quickMatch (c1, c2)) | |
1666 | { | |
1667 | return TRUE; | |
1668 | } | |
1669 | ||
1670 | if (ctype_isElips (c1) || ctype_isElips (c2)) | |
1671 | { | |
1672 | return FALSE; | |
1673 | } | |
1674 | else | |
1675 | { | |
1676 | match = ctbase_genMatch (ctype_getCtbase (c1), ctype_getCtbase (c2), force, arg, def, deep); | |
1677 | return (match); | |
1678 | } | |
1679 | } | |
1680 | ||
1681 | bool | |
1682 | ctype_sameName (ctype c1, ctype c2) | |
1683 | { | |
1684 | if (quickMatch (c1, c2)) | |
1685 | return TRUE; | |
1686 | else | |
1687 | return (cstring_equal (ctype_unparse (c1), ctype_unparse (c2))); | |
1688 | } | |
1689 | ||
1690 | bool | |
1691 | ctype_almostEqual (ctype c1, ctype c2) | |
1692 | { | |
1693 | if (ctype_equal (c1, c2)) | |
1694 | { | |
1695 | return TRUE; | |
1696 | } | |
1697 | else | |
1698 | { | |
28bf4b0b | 1699 | if (ctype_isUnknown (c1)) |
1700 | { | |
1701 | return ctype_isUnknown (c2); | |
1702 | } | |
1703 | else if (ctype_isUnknown (c2)) | |
1704 | { | |
1705 | return FALSE; | |
1706 | } | |
1707 | else | |
1708 | { | |
1709 | return (ctbase_almostEqual (ctype_getCtbase (c1), ctype_getCtbase (c2))); | |
1710 | } | |
616915dd | 1711 | } |
1712 | } | |
1713 | ||
1714 | bool | |
1715 | ctype_matchDef (ctype c1, ctype c2) | |
1716 | { | |
1717 | DPRINTF (("Match def: %s / %s", ctype_unparse (c1), ctype_unparse (c2))); | |
1718 | ||
1719 | if (quickMatch (c1, c2)) | |
1720 | return TRUE; | |
1721 | ||
1722 | if (ctype_isElips (c1)) | |
d5047b91 | 1723 | return (ctype_isElips (c2) || ctype_isUnknown (c2)); |
616915dd | 1724 | |
1725 | if (ctype_isElips (c2)) | |
28bf4b0b | 1726 | { |
d5047b91 | 1727 | return (ctype_isUnknown (c2)); |
28bf4b0b | 1728 | } |
616915dd | 1729 | else |
1730 | { | |
1731 | bool oldrelax = context_getFlag (FLG_RELAXQUALS); | |
1732 | bool res; | |
1733 | ||
1734 | context_setFlagTemp (FLG_RELAXQUALS, FALSE); | |
1735 | res = ctbase_matchDef (ctype_getCtbase (c1), ctype_getCtbase (c2)); | |
1736 | context_setFlagTemp (FLG_RELAXQUALS, oldrelax); | |
1737 | return res; | |
1738 | } | |
1739 | } | |
1740 | ||
1741 | bool ctype_match (ctype c1, ctype c2) | |
1742 | { | |
1743 | if (quickMatch (c1, c2)) | |
1744 | return TRUE; | |
1745 | ||
1746 | if (ctype_isElips (c1)) | |
d5047b91 | 1747 | return (ctype_isElips (c2) || ctype_isUnknown (c2)); |
1748 | ||
616915dd | 1749 | if (ctype_isElips (c2)) |
d5047b91 | 1750 | return (ctype_isUnknown (c2)); |
616915dd | 1751 | |
1752 | return (ctbase_match (ctype_getCtbase (c1), ctype_getCtbase (c2))); | |
1753 | } | |
1754 | ||
1755 | bool | |
1756 | ctype_forceMatch (ctype c1, ctype c2) | |
1757 | { | |
1758 | if (quickMatch (c1, c2)) | |
1759 | return TRUE; | |
1760 | ||
1761 | if (ctype_isElips (c1)) | |
1762 | return (ctype_isElips (c2)); | |
1763 | ||
1764 | if (ctype_isElips (c2)) | |
1765 | return FALSE; | |
1766 | ||
1767 | /*@-modobserver@*/ | |
1768 | /* The call forceMatch may modify the observer params, but, we don't care. */ | |
1769 | return (ctbase_forceMatch (ctype_getCtbase (c1), ctype_getCtbase (c2))); | |
1770 | /*@=modobserver@*/ | |
1771 | } | |
1772 | ||
1773 | bool | |
1774 | ctype_matchArg (ctype c1, ctype c2) | |
1775 | { | |
1776 | if (quickMatch (c1, c2)) | |
1777 | { | |
1778 | return TRUE; | |
1779 | } | |
1780 | else | |
1781 | { | |
1782 | return (ctbase_matchArg (ctype_getCtbase (c1), ctype_getCtbase (c2))); | |
1783 | } | |
1784 | } | |
1785 | ||
1786 | /* | |
1787 | ** simple ctype_is operations. | |
1788 | ** DO NOT use real type of c, only direct type. | |
1789 | */ | |
1790 | ||
1791 | /* | |
1792 | ** ctype_isVoidPointer | |
1793 | ** | |
1794 | ** void * | |
1795 | */ | |
1796 | ||
1797 | bool | |
1798 | ctype_isVoidPointer (ctype c) | |
1799 | { | |
1800 | if (ctype_isComplex (c)) | |
1801 | { | |
1802 | return ctbase_isVoidPointer (ctype_getCtbaseSafe (c)); | |
1803 | } | |
1804 | if (ctype_isConj (c)) | |
1805 | { | |
1806 | return (ctype_isVoidPointer (ctype_getConjA (c)) || | |
1807 | ctype_isVoidPointer (ctype_getConjB (c))); | |
1808 | } | |
1809 | else | |
1810 | { | |
1811 | return (c == ctype_voidPointer | |
1812 | || (ctype_isRealPointer (c) | |
1813 | && ctype_isVoid (ctype_baseArrayPtr (c)))); | |
1814 | } | |
1815 | } | |
1816 | ||
1817 | /* | |
1818 | ** ctype_isPointer | |
1819 | ** | |
1820 | ** true for C and LCL pointers | |
1821 | */ | |
1822 | ||
1823 | bool | |
1824 | ctype_isPointer (ctype c) | |
1825 | { | |
1826 | if (ctype_isElips (c)) return FALSE; | |
1827 | ||
1828 | if (ctype_isComplex (c)) | |
1829 | { | |
1830 | ctbase ctb = ctype_getCtbaseSafe (c); | |
1831 | bool res = ctbase_isPointer (ctb); | |
1832 | ||
1833 | return res; | |
1834 | } | |
1835 | else | |
1836 | { | |
1837 | bool res = ctentry_isPointer (ctype_getCtentry (c)); | |
1838 | ||
1839 | return res; | |
1840 | } | |
1841 | } | |
1842 | ||
1843 | /* | |
1844 | ** ctype_isArray | |
1845 | ** | |
1846 | ** true for C and LCL array's | |
1847 | */ | |
1848 | ||
1849 | bool | |
1850 | ctype_isArray (ctype c) | |
1851 | { | |
1852 | if (ctype_isElips (c)) return FALSE; | |
1853 | ||
1854 | if (ctype_isComplex (c)) | |
1855 | return (ctbase_isEitherArray (ctype_getCtbaseSafe (c))); | |
1856 | else | |
1857 | return (ctentry_isArray (ctype_getCtentry (c))); | |
1858 | } | |
1859 | ||
1860 | bool ctype_isIncompleteArray (ctype c) | |
1861 | { | |
f9e62f40 | 1862 | if (ctype_isArray (c)) |
1863 | { | |
1864 | if (ctype_isFixedArray (c)) | |
1865 | { | |
1866 | return ctype_isIncompleteArray (ctype_baseArrayPtr (c)); | |
1867 | } | |
1868 | else | |
1869 | { | |
1870 | return TRUE; | |
1871 | } | |
1872 | } | |
1873 | ||
1874 | return FALSE; | |
616915dd | 1875 | } |
1876 | ||
616915dd | 1877 | bool |
1878 | ctype_isArrayPtr (ctype c) | |
1879 | { | |
1880 | return ((ctype_isArray (c)) || (ctype_isPointer (c))); | |
1881 | } | |
1882 | ||
1883 | typeId | |
1884 | ctype_typeId (ctype c) | |
1885 | { | |
1886 | return (ctbase_typeId (ctype_getCtbase (c))); | |
1887 | } | |
1888 | ||
1889 | cstring | |
1890 | ctype_unparseDeclaration (ctype c, /*@only@*/ cstring name) | |
1891 | { | |
d5047b91 | 1892 | llassert (!(ctype_isElips (c) || ctype_isMissingParamsMarker (c))); |
28bf4b0b | 1893 | |
d5047b91 | 1894 | if (ctype_isUnknown (c)) |
28bf4b0b | 1895 | { |
1896 | return message ("? %q", name); | |
1897 | } | |
1898 | else | |
1899 | { | |
1900 | return (ctbase_unparseDeclaration (ctype_getCtbase (c), name)); | |
1901 | } | |
616915dd | 1902 | } |
1903 | ||
1904 | cstring | |
1905 | ctype_unparse (ctype c) | |
1906 | { | |
1907 | if (ctype_isElips (c)) | |
1908 | { | |
1909 | return cstring_makeLiteralTemp ("..."); | |
1910 | } | |
1911 | else if (ctype_isMissingParamsMarker (c)) | |
1912 | { | |
1913 | return cstring_makeLiteralTemp ("-"); | |
1914 | } | |
02b84d4b | 1915 | else if (ctype_isAnytype (c)) |
1916 | { | |
1917 | return cstring_makeLiteralTemp ("<any>"); | |
1918 | } | |
d5047b91 | 1919 | else if (ctype_isUnknown (c)) |
1920 | { | |
1921 | return cstring_makeLiteralTemp ("?"); | |
1922 | } | |
616915dd | 1923 | else |
1924 | { | |
1925 | /*@-modobserver@*/ | |
1926 | return (ctentry_doUnparse (ctype_getCtentry (c))); | |
1927 | /*@=modobserver@*/ | |
1928 | } | |
1929 | } | |
1930 | ||
1931 | cstring | |
1932 | ctype_unparseSafe (ctype c) | |
1933 | { | |
1934 | if (ctype_isElips (c)) | |
1935 | { | |
1936 | return cstring_makeLiteralTemp ("..."); | |
1937 | } | |
1938 | else if (ctype_isMissingParamsMarker (c)) | |
1939 | { | |
1940 | return cstring_makeLiteralTemp ("-"); | |
1941 | } | |
1942 | else | |
1943 | { | |
1944 | cstring ret; | |
1945 | ||
1946 | if /*@+enumint@*/ (c >= CTK_PLAIN && c < cttab.size) /*@=enumint@*/ | |
1947 | { | |
1948 | ctentry cte = ctype_getCtentry (c); | |
1949 | ||
1950 | if (cstring_isDefined (cte->unparse)) | |
1951 | { | |
1952 | return (cte->unparse); | |
1953 | } | |
1954 | } | |
1955 | ||
1956 | ret = message ("[%d]", (int) c); | |
1957 | cstring_markOwned (ret); | |
1958 | return ret; | |
1959 | } | |
1960 | } | |
1961 | ||
1962 | cstring | |
1963 | ctype_unparseDeep (ctype c) | |
1964 | { | |
1965 | if (ctype_isElips (c)) | |
1966 | { | |
1967 | return cstring_makeLiteralTemp ("..."); | |
1968 | } | |
1969 | if (ctype_isMissingParamsMarker (c)) | |
1970 | { | |
1971 | return cstring_makeLiteralTemp ("-"); | |
1972 | } | |
1973 | ||
1974 | return (ctentry_doUnparseDeep (ctype_getCtentry (c))); | |
1975 | } | |
1976 | ||
1977 | ctype | |
1978 | ctype_undump (char **c) | |
1979 | { | |
28bf4b0b | 1980 | return ((ctype) reader_getInt (c)); /* check its valid? */ |
616915dd | 1981 | } |
1982 | ||
1983 | cstring | |
1984 | ctype_dump (ctype c) | |
1985 | { | |
1986 | DPRINTF (("Ctype dump: %s", ctype_unparse (c))); | |
1987 | ||
1988 | if (c < 0) | |
1989 | { | |
1990 | /* Handle invalid types in a kludgey way. */ | |
1991 | return (message ("0")); | |
1992 | } | |
1993 | ||
1994 | if (ctype_isUA (c)) | |
1995 | { | |
b73d1009 | 1996 | cstring tname = usymtab_getTypeEntryName (usymtab_convertTypeId (ctype_typeId (c))); |
616915dd | 1997 | |
1998 | if (cstring_equal (tname, context_getBoolName ())) | |
1999 | { | |
2000 | cstring_free (tname); | |
2001 | return (message ("%d", ctype_bool)); | |
2002 | } | |
2003 | ||
2004 | cstring_free (tname); | |
2005 | } | |
2006 | ||
2007 | DPRINTF (("Returning: %d", c)); | |
2008 | return (message ("%d", c)); | |
2009 | } | |
2010 | ||
2011 | ctype | |
2012 | ctype_getBaseType (ctype c) | |
2013 | { | |
2014 | ctentry cte = ctype_getCtentry (c); | |
2015 | ||
2016 | switch (ctentry_getKind (cte)) | |
2017 | { | |
2018 | case CTK_UNKNOWN: | |
616915dd | 2019 | case CTK_INVALID: |
616915dd | 2020 | case CTK_PLAIN: |
2021 | return c; | |
2022 | case CTK_PTR: | |
2023 | case CTK_ARRAY: | |
2024 | return (ctype_getBaseType (ctype_baseArrayPtr (c))); | |
2025 | case CTK_COMPLEX: | |
2026 | { | |
2027 | ctbase ctb = cte->ctbase; | |
2028 | ||
2029 | if (ctbase_isDefined (ctb)) | |
2030 | { | |
28bf4b0b | 2031 | /*@access ctbase@*/ |
616915dd | 2032 | switch (ctb->type) |
2033 | { | |
2034 | case CT_UNKNOWN: | |
2035 | case CT_PRIM: | |
2036 | case CT_USER: | |
2037 | case CT_ENUM: | |
2038 | case CT_ENUMLIST: | |
2039 | case CT_BOOL: | |
2040 | case CT_ABST: | |
e5081f8c | 2041 | case CT_NUMABST: |
616915dd | 2042 | case CT_FCN: |
2043 | case CT_STRUCT: | |
2044 | case CT_UNION: | |
2045 | case CT_EXPFCN: | |
2046 | return c; | |
2047 | case CT_PTR: | |
2048 | case CT_ARRAY: | |
2049 | return (ctype_getBaseType (ctb->contents.base)); | |
2050 | case CT_FIXEDARRAY: | |
2051 | return (ctype_getBaseType (ctb->contents.farray->base)); | |
2052 | case CT_CONJ: /* base type of A conj branch? */ | |
2053 | return (ctype_getBaseType (ctb->contents.conj->a)); | |
2054 | } | |
28bf4b0b | 2055 | /*@noaccess ctbase@*/ |
616915dd | 2056 | } |
2057 | else | |
2058 | { | |
2059 | return c; | |
2060 | } | |
2061 | } | |
2062 | default: | |
2063 | llbuglit ("ctype_newBase: bad case"); | |
2064 | } | |
2065 | llcontbuglit ("ctype_getBaseType: unreachable code"); | |
2066 | return ((ctype)NULL); | |
2067 | } | |
2068 | ||
2069 | ctype | |
f9264521 | 2070 | ctype_adjustPointers (pointers p, ctype c) |
616915dd | 2071 | { |
f9264521 | 2072 | int np = pointers_depth (p); |
2073 | ||
616915dd | 2074 | if (ctype_isFunction (c)) |
2075 | { | |
2076 | c = ctype_makeParamsFunction | |
f9264521 | 2077 | (ctype_adjustPointers (p, ctype_getReturnType (c)), |
616915dd | 2078 | uentryList_copy (ctype_argsFunction (c))); |
2079 | } | |
2080 | else | |
2081 | { | |
2082 | /* fix this should not use getBaseType ??? */ | |
2083 | ctype cb = ctype_getBaseType (c); | |
2084 | ||
2085 | while (np > 0) | |
2086 | { | |
2087 | cb = ctype_makePointer (cb); | |
2088 | np--; | |
2089 | } | |
2090 | c = ctype_newBase (c, cb); | |
2091 | } | |
2092 | ||
2093 | return (c); | |
2094 | } | |
2095 | ||
2096 | ||
2097 | enumNameList | |
2098 | ctype_elist (ctype c) | |
2099 | { | |
2100 | return (ctbase_elist (ctype_getCtbase (c))); | |
2101 | } | |
2102 | ||
2103 | bool | |
2104 | ctype_isFirstVoid (ctype c) | |
2105 | { | |
2106 | return (c == CTX_VOID || (ctype_isConj (c) && ctype_isFirstVoid (ctype_getConjA (c)))); | |
2107 | } | |
2108 | ||
2109 | ctype | |
2110 | ctype_createEnum (/*@keep@*/ cstring tag, /*@keep@*/ enumNameList el) | |
2111 | { | |
2112 | return (cttable_addComplex (ctbase_createEnum (tag, el))); | |
2113 | } | |
2114 | ||
2115 | bool | |
2116 | ctype_isEnum (ctype c) | |
2117 | { | |
2118 | return (ctype_isComplex (c) && ctbase_isEnum (ctype_getCtbase (c))); | |
2119 | } | |
2120 | ||
2121 | cstring | |
2122 | ctype_enumTag (ctype c) | |
2123 | { | |
2124 | llassert (ctype_isEnum (c)); | |
2125 | ||
2126 | return (ctbase_enumTag (ctype_getCtbaseSafe (c))); | |
2127 | } | |
2128 | ||
2129 | bool | |
2130 | ctype_isStruct (ctype c) | |
2131 | { | |
2132 | return (ctype_isComplex (c) && ctbase_isStruct (ctype_getCtbaseSafe (c))); | |
2133 | } | |
2134 | ||
2135 | bool | |
2136 | ctype_isUnion (ctype c) | |
2137 | { | |
2138 | return (ctype_isComplex (c) && ctbase_isUnion (ctype_getCtbaseSafe (c))); | |
2139 | } | |
2140 | ||
2141 | ctype | |
2142 | ctype_resolveNumerics (ctype c1, ctype c2) | |
2143 | { | |
2144 | /* | |
2145 | ** returns longest type of c1 and c2 | |
2146 | */ | |
2147 | ||
2148 | if (c1 == c2) return c1; | |
2149 | ||
2150 | c1 = ctype_realType (c1); | |
2151 | c2 = ctype_realType (c2); | |
2152 | ||
2153 | if (ctype_isEnum (c1)) c1 = ctype_unknown; | |
2154 | if (ctype_isEnum (c2)) c2 = ctype_int; | |
2155 | ||
2156 | if (c1 == ctype_ldouble || c2 == ctype_ldouble) return ctype_ldouble; | |
28bf4b0b | 2157 | |
2158 | /* 2001-06-08: This fix provided by Jim Zelenka. */ | |
2159 | if (c1 == ctype_llint || c2 == ctype_llint) return ctype_llint; | |
2160 | if (c1 == ctype_ullint || c2 == ctype_ullint) return ctype_ullint; | |
2161 | ||
616915dd | 2162 | if (c1 == ctype_ulint || c2 == ctype_ulint) return ctype_ulint; |
2163 | if (c1 == ctype_lint || c2 == ctype_lint) return ctype_lint; | |
2164 | if (c1 == ctype_uint || c2 == ctype_uint) return ctype_uint; | |
2165 | if (c1 == ctype_int || c2 == ctype_int) return ctype_int; | |
28bf4b0b | 2166 | |
2167 | /* 2001-06-08: This fix provided by Jim Zelenka. */ | |
2168 | if (c1 == ctype_usint || c2 == ctype_usint) return ctype_usint; | |
2169 | ||
616915dd | 2170 | if (c1 == ctype_sint || c2 == ctype_sint) return ctype_sint; |
28bf4b0b | 2171 | |
616915dd | 2172 | if (c1 == ctype_uchar || c2 == ctype_uchar) return ctype_uchar; |
2173 | if (c1 == ctype_char || c2 == ctype_char) return ctype_char; | |
2174 | ||
2175 | if (ctype_isKnown (c1)) return c1; | |
2176 | else return c2; | |
2177 | } | |
2178 | ||
2179 | bool | |
2180 | ctype_isStructorUnion (ctype c) | |
2181 | { | |
2182 | return (ctype_isStruct (c) || ctype_isUnion (c)); | |
2183 | } | |
2184 | ||
2185 | ctype | |
2186 | ctype_fixArrayPtr (ctype c) | |
2187 | { | |
2188 | if (ctype_isArray (c)) | |
2189 | { | |
2190 | return (ctype_makePointer (ctype_baseArrayPtr (c))); | |
2191 | } | |
2192 | else | |
2193 | return c; | |
2194 | } | |
2195 | ||
2196 | /* | |
2197 | ** createUnnamedStruct/Union | |
2198 | ** | |
2199 | ** check if it corresponds to an existing LCL-specified unnamed struct | |
2200 | ** otherwise, give it a new tag | |
2201 | */ | |
2202 | ||
2203 | ctype | |
2204 | ctype_createUnnamedStruct (/*@only@*/ uentryList f) | |
2205 | { | |
2206 | ctype ret = usymtab_structFieldsType (f); | |
2207 | ||
28bf4b0b | 2208 | DPRINTF (("unnamed struct: %s", ctype_unparse (ret))); |
2209 | ||
616915dd | 2210 | if (ctype_isDefined (ret)) |
2211 | { | |
2212 | uentryList_free (f); | |
2213 | return ret; | |
2214 | } | |
2215 | else | |
2216 | { | |
2217 | cstring ft = fakeTag (); | |
2218 | ctype ct = ctype_createStruct (cstring_copy (ft), f); | |
2219 | uentry ue = uentry_makeStructTagLoc (ft, ct); | |
28bf4b0b | 2220 | |
2221 | DPRINTF (("Unnamed struct: %s", uentry_unparseFull (ue))); | |
2222 | ue = usymtab_supGlobalEntryReturn (ue); | |
2223 | DPRINTF (("After Unnamed struct: %s", uentry_unparseFull (ue))); | |
2224 | ||
616915dd | 2225 | cstring_free (ft); |
2226 | return (ct); | |
2227 | } | |
2228 | } | |
2229 | ||
2230 | ctype | |
2231 | ctype_createUnnamedUnion (/*@only@*/ uentryList f) | |
2232 | { | |
2233 | ctype ret = usymtab_unionFieldsType (f); | |
2234 | ||
2235 | if (ctype_isDefined (ret)) | |
2236 | { | |
2237 | uentryList_free (f); | |
2238 | return ret; | |
2239 | } | |
2240 | else | |
2241 | { | |
2242 | cstring ft = fakeTag (); | |
2243 | ctype ct = ctype_createUnion (cstring_copy (ft), f); | |
2244 | uentry ue = uentry_makeUnionTagLoc (ft, ct); | |
2245 | ||
2246 | usymtab_supGlobalEntry (ue); | |
2247 | cstring_free (ft); | |
2248 | return (ct); | |
2249 | } | |
2250 | } | |
2251 | ||
28bf4b0b | 2252 | bool |
2253 | ctype_isUnnamedSU (ctype c) | |
2254 | { | |
2255 | if (ctype_isSU (c)) | |
2256 | { | |
2257 | return ctbase_isUnnamedSU (ctype_getCtbase (c)); | |
2258 | } | |
2259 | else | |
2260 | { | |
2261 | return FALSE; | |
2262 | } | |
2263 | } | |
2264 | ||
616915dd | 2265 | ctype |
2266 | ctype_createForwardStruct (cstring n) | |
2267 | { | |
2268 | uentry ue = uentry_makeStructTag (n, ctype_unknown, fileloc_undefined); | |
2269 | ctype ct = usymtab_supForwardTypeEntry (ue); | |
2270 | ||
2271 | cstring_free (n); | |
2272 | return (ct); | |
2273 | } | |
2274 | ||
2275 | ctype | |
2276 | ctype_createForwardUnion (cstring n) | |
2277 | { | |
2278 | uentry ue = uentry_makeUnionTag (n, ctype_unknown, fileloc_undefined); | |
2279 | ctype ct = usymtab_supForwardTypeEntry (ue); | |
2280 | ||
2281 | cstring_free (n); | |
2282 | return (ct); | |
2283 | } | |
2284 | ||
140c27a8 | 2285 | ctype |
2286 | ctype_createForwardEnum (cstring n) | |
2287 | { | |
2288 | uentry ue = uentry_makeEnumTag (n, ctype_unknown, fileloc_undefined); | |
2289 | ctype ct = usymtab_supForwardTypeEntry (ue); | |
2290 | ||
2291 | cstring_free (n); | |
2292 | return (ct); | |
2293 | } | |
2294 | ||
616915dd | 2295 | ctype |
2296 | ctype_removePointers (ctype c) | |
2297 | { | |
2298 | ctype oldc; | |
2299 | ||
28bf4b0b | 2300 | while (ctype_isKnown (c) && ctype_isArrayPtr (c)) |
616915dd | 2301 | { |
2302 | oldc = c; | |
2303 | c = ctype_baseArrayPtr (c); | |
2304 | llassert (c != oldc); | |
2305 | } | |
2306 | ||
2307 | return (c); | |
2308 | } | |
2309 | ||
2310 | bool ctype_isMutable (ctype t) | |
2311 | { | |
2312 | if (ctype_isUA (t)) | |
2313 | { | |
2314 | return (uentry_isMutableDatatype | |
2315 | (usymtab_getTypeEntry (ctype_typeId (t)))); | |
2316 | } | |
2317 | else | |
2318 | { | |
2319 | return (ctype_isPointer (ctype_realType (t))); | |
28bf4b0b | 2320 | /*!! || ctype_isStructorUnion (ctype_realType (t))); */ |
616915dd | 2321 | } |
2322 | } | |
2323 | ||
2324 | bool ctype_isRefCounted (ctype t) | |
2325 | { | |
2326 | if (ctype_isUA (t)) | |
2327 | { | |
2328 | return (uentry_isRefCountedDatatype | |
2329 | (usymtab_getTypeEntry (ctype_typeId (t)))); | |
2330 | } | |
2331 | ||
2332 | return FALSE; | |
2333 | } | |
2334 | ||
2335 | bool ctype_isVisiblySharable (ctype t) | |
2336 | { | |
b73d1009 | 2337 | if (ctype_isUnknown (t)) |
2338 | { | |
2339 | return TRUE; | |
2340 | } | |
616915dd | 2341 | |
2342 | if (ctype_isConj (t)) | |
2343 | { | |
2344 | return (ctype_isVisiblySharable (ctype_getConjA (t)) | |
2345 | || ctype_isVisiblySharable (ctype_getConjB (t))); | |
2346 | } | |
2347 | ||
2348 | if (ctype_isMutable (t)) | |
2349 | { | |
2350 | if (ctype_isUA (t)) | |
2351 | { | |
2352 | ctype rt = ctype_realType (t); | |
2353 | ||
2354 | if (rt == t) | |
2355 | { | |
b73d1009 | 2356 | if (ctype_isNumAbstract (t)) |
2357 | { | |
2358 | return FALSE; | |
2359 | } | |
2360 | else | |
2361 | { | |
2362 | return TRUE; | |
2363 | } | |
616915dd | 2364 | } |
2365 | else | |
2366 | { | |
2367 | return ctype_isVisiblySharable (rt); | |
28bf4b0b | 2368 | |
616915dd | 2369 | } |
2370 | } | |
2371 | else | |
2372 | { | |
2373 | return TRUE; | |
2374 | } | |
2375 | } | |
2376 | ||
2377 | return FALSE; | |
2378 | } | |
2379 | ||
2380 | # if 0 | |
2381 | /* Replaced by ctype_isMutable (more sensible) */ | |
2382 | bool ctype_canAlias (ctype ct) | |
2383 | { | |
2384 | /* can ct refer to memory locations? | |
2385 | ** ==> a pointer or a mutable abstract type | |
2386 | ** arrays? | |
2387 | */ | |
2388 | ||
2389 | ctype tr = ctype_realType (ct); | |
2390 | ||
2391 | return (ctype_isPointer (tr) || ctype_isMutable (ct) || ctype_isStructorUnion (tr)); | |
2392 | } | |
2393 | # endif | |
2394 | ||
2395 | /* | |
2396 | ** c1 is the dominant type; c2 is the modifier type | |
2397 | ** | |
2398 | ** eg. double + long int => long double | |
2399 | */ | |
2400 | ||
2401 | ctype ctype_combine (ctype dominant, ctype modifier) | |
2402 | { | |
2403 | DPRINTF (("Combine: %s + %s", | |
2404 | ctype_unparse (dominant), | |
2405 | ctype_unparse (modifier))); | |
2406 | ||
2407 | if (ctype_isConj (dominant)) | |
2408 | { | |
2409 | ctype res; | |
2410 | ||
2411 | if (ctype_isExplicitConj (dominant)) | |
2412 | { | |
2413 | res = ctype_makeExplicitConj (ctype_combine (ctype_getConjA (dominant), | |
2414 | modifier), | |
2415 | ctype_getConjB (dominant)); | |
2416 | } | |
2417 | else | |
2418 | { | |
2419 | res = ctype_makeConj (ctype_combine (ctype_getConjA (dominant), | |
2420 | modifier), | |
2421 | ctype_getConjB (dominant)); | |
2422 | } | |
2423 | ||
2424 | return res; | |
2425 | } | |
2426 | ||
2427 | if (ctype_isUnknown (modifier)) | |
2428 | { | |
2429 | return dominant; | |
2430 | } | |
2431 | else if (ctype_isUnknown (dominant)) | |
2432 | { | |
2433 | return modifier; | |
2434 | } | |
2435 | else | |
2436 | { | |
2437 | if (ctype_isEnum (dominant)) dominant = ctype_int; | |
2438 | if (ctype_isEnum (modifier)) modifier = ctype_int; | |
2439 | ||
2440 | if (modifier == ctype_uint) | |
2441 | { | |
2442 | if (dominant == ctype_int) return ctype_uint; | |
2443 | if (dominant == ctype_lint) return ctype_ulint; | |
2444 | if (dominant == ctype_sint) return ctype_usint; | |
2445 | if (dominant == ctype_char) return ctype_uchar; | |
2446 | ||
2447 | /* evs 2000-07-28: added this line */ | |
2448 | if (dominant == ctype_llint) return ctype_ullint; | |
2449 | ||
2450 | if ((dominant == ctype_uint) || dominant == ctype_uchar) | |
2451 | { | |
2452 | voptgenerror (FLG_DUPLICATEQUALS, | |
2453 | message ("Duplicate unsigned qualifier"), | |
2454 | g_currentloc); | |
2455 | ||
2456 | return ctype_uint; | |
2457 | } | |
2458 | else | |
2459 | { | |
2460 | voptgenerror (FLG_DUPLICATEQUALS, | |
2461 | message ("Type qualifier unsigned used with %s", | |
2462 | ctype_unparse (dominant)), | |
2463 | g_currentloc); | |
2464 | ||
2465 | return dominant; | |
2466 | } | |
2467 | } | |
2468 | else if (modifier == ctype_llint) | |
2469 | { | |
2470 | if (dominant == ctype_int) | |
2471 | { | |
2472 | return ctype_llint; | |
2473 | } | |
2474 | ||
2475 | voptgenerror (FLG_DUPLICATEQUALS, | |
2476 | message ("Duplicate long qualifier on non-int"), | |
2477 | g_currentloc); | |
2478 | } | |
2479 | else if (modifier == ctype_lint) | |
2480 | { | |
2481 | if (dominant == ctype_int) return ctype_lint; | |
2482 | if (dominant == ctype_uint) return ctype_ulint; | |
2483 | if (dominant == ctype_double) return ctype_ldouble; | |
2484 | ||
2485 | if (dominant == ctype_lint || dominant == ctype_ulint | |
2486 | || dominant == ctype_sint || dominant == ctype_usint | |
2487 | || dominant == ctype_ldouble) | |
2488 | { | |
2489 | if (dominant == ctype_lint) | |
2490 | { | |
2491 | /* long long not supported by ANSI */ | |
2492 | return ctype_llint; | |
2493 | } | |
2494 | ||
28bf4b0b | 2495 | /* ++jimz */ |
2496 | if (dominant == ctype_ulint) | |
2497 | { | |
2498 | /* unsigned long long not supported by ANSI */ | |
2499 | return ctype_ullint; | |
2500 | } | |
2501 | /* ==jimz */ | |
2502 | ||
616915dd | 2503 | if (dominant == ctype_sint || dominant == ctype_usint) |
2504 | { | |
2505 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2506 | { | |
2507 | llerrorlit (FLG_SYNTAX, | |
2508 | "Contradictory long and short type qualifiers"); | |
2509 | } | |
2510 | } | |
2511 | else | |
2512 | { | |
2513 | voptgenerror (FLG_DUPLICATEQUALS, | |
2514 | message ("Duplicate long qualifier"), | |
2515 | g_currentloc); | |
2516 | } | |
2517 | ||
2518 | return ctype_lint; | |
2519 | } | |
2520 | } | |
2521 | else if (modifier == ctype_sint) | |
2522 | { | |
2523 | if (dominant == ctype_int) return ctype_sint; | |
2524 | if (dominant == ctype_uint) return ctype_usint; | |
2525 | ||
2526 | if (dominant == ctype_sint || dominant == ctype_usint) | |
2527 | { | |
2528 | voptgenerror (FLG_DUPLICATEQUALS, | |
2529 | message ("Duplicate short qualifier"), | |
2530 | g_currentloc); | |
2531 | return ctype_uint; | |
2532 | } | |
2533 | else if (dominant == ctype_lint) | |
2534 | { | |
2535 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2536 | { | |
2537 | llerrorlit (FLG_SYNTAX, | |
2538 | "Contradictory long and short type qualifiers"); | |
2539 | } | |
2540 | ||
2541 | return dominant; | |
2542 | } | |
28bf4b0b | 2543 | /* ++jimz */ |
2544 | else if (dominant == ctype_llint) | |
2545 | { | |
2546 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2547 | { | |
2548 | llerrorlit (FLG_SYNTAX, | |
2549 | "Contradictory long long and short type qualifiers"); | |
2550 | } | |
2551 | ||
2552 | return dominant; | |
2553 | } | |
2554 | /* ==jimz */ | |
616915dd | 2555 | else |
2556 | { | |
2557 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2558 | { | |
2559 | llerror (FLG_SYNTAX, | |
2560 | message ("Type qualifier short used with %s", | |
2561 | ctype_unparse (dominant))); | |
2562 | } | |
2563 | ||
2564 | return dominant; | |
2565 | } | |
2566 | } | |
2567 | else if (modifier == ctype_ulint) | |
2568 | { | |
2569 | if (dominant == ctype_int) return modifier; | |
2570 | ||
2571 | if (dominant == ctype_lint || dominant == ctype_ulint) | |
2572 | { | |
2573 | voptgenerror (FLG_DUPLICATEQUALS, | |
2574 | message ("Duplicate long qualifier"), | |
2575 | g_currentloc); | |
2576 | ||
2577 | return modifier; | |
2578 | } | |
2579 | ||
2580 | if (dominant == ctype_uint || dominant == ctype_usint) | |
2581 | { | |
2582 | voptgenerror (FLG_DUPLICATEQUALS, | |
2583 | message ("Duplicate unsigned qualifier"), | |
2584 | g_currentloc); | |
2585 | ||
2586 | return modifier; | |
2587 | } | |
2588 | ||
2589 | if (dominant == ctype_sint || dominant == ctype_usint) | |
2590 | { | |
2591 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2592 | { | |
2593 | llerrorlit (FLG_SYNTAX, | |
2594 | "Contradictory long and short type qualifiers"); | |
2595 | } | |
2596 | ||
2597 | return dominant; | |
2598 | } | |
2599 | ||
2600 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2601 | { | |
2602 | llerror (FLG_SYNTAX, | |
2603 | message ("Type qualifiers unsigned long used with %s", | |
2604 | ctype_unparse (dominant))); | |
2605 | } | |
2606 | ||
2607 | return dominant; | |
2608 | } | |
2609 | else if (modifier == ctype_usint) | |
2610 | { | |
2611 | if (dominant == ctype_int) return modifier; | |
2612 | ||
2613 | if (dominant == ctype_sint || dominant == ctype_usint) | |
2614 | { | |
2615 | voptgenerror (FLG_DUPLICATEQUALS, | |
2616 | message ("Duplicate short qualifier"), | |
2617 | g_currentloc); | |
2618 | return modifier; | |
2619 | } | |
2620 | ||
2621 | if (dominant == ctype_uint) | |
2622 | { | |
2623 | voptgenerror (FLG_DUPLICATEQUALS, | |
2624 | message ("Duplicate unsigned qualifier"), | |
2625 | g_currentloc); | |
2626 | ||
2627 | return modifier; | |
2628 | } | |
2629 | ||
2630 | if (dominant == ctype_lint || dominant == ctype_ulint | |
2631 | || dominant == ctype_llint) | |
2632 | { | |
2633 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2634 | { | |
2635 | llerrorlit (FLG_SYNTAX, | |
2636 | "Contradictory long and short type qualifiers"); | |
2637 | } | |
2638 | ||
2639 | return dominant; | |
2640 | } | |
2641 | ||
2642 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2643 | { | |
2644 | llerror (FLG_SYNTAX, | |
2645 | message ("Type qualifiers unsigned short used with %s", | |
2646 | ctype_unparse (dominant))); | |
2647 | } | |
2648 | ||
2649 | return dominant; | |
2650 | } | |
2651 | else | |
2652 | { | |
2653 | ; | |
2654 | } | |
2655 | ||
2656 | return dominant; | |
2657 | } | |
2658 | } | |
2659 | ||
2660 | ctype ctype_resolve (ctype c) | |
2661 | { | |
d5047b91 | 2662 | if (ctype_isUnknown (c) && !ctype_isAnytype (c)) |
02b84d4b | 2663 | { |
d5047b91 | 2664 | DPRINTF (("Resolving to int: %s", ctype_unparse (c))); |
02b84d4b | 2665 | return ctype_int; |
2666 | } | |
d5047b91 | 2667 | |
2668 | return c; | |
616915dd | 2669 | } |
2670 | ||
2671 | ctype ctype_fromQual (qual q) | |
2672 | { | |
2673 | if (qual_isSigned (q)) return ctype_int; | |
2674 | if (qual_isUnsigned (q)) return ctype_uint; | |
2675 | if (qual_isLong (q)) return ctype_lint; | |
2676 | if (qual_isShort (q)) return ctype_sint; | |
2677 | ||
2678 | llcontbug (message ("ctype_fromQual: invalid qualifier: %s", qual_unparse (q))); | |
2679 | return ctype_unknown; | |
2680 | } | |
2681 | ||
2682 | bool | |
2683 | ctype_isAnyFloat (ctype c) | |
2684 | { | |
2685 | return (cprim_isAnyReal (ctype_toCprim (c))); | |
2686 | } | |
2687 | ||
2688 | bool | |
2689 | ctype_isUnsigned (ctype c) | |
2690 | { | |
2691 | if (ctype_isConj (c)) | |
2692 | return (ctype_isUnsigned (ctype_getConjA (c)) || | |
2693 | ctype_isUnsigned (ctype_getConjB (c))); | |
2694 | ||
2695 | return (c == ctype_uint || c == ctype_uchar | |
2696 | || c == ctype_usint || c == ctype_ulint | |
28bf4b0b | 2697 | || c == ctype_ullint |
616915dd | 2698 | || c == ctype_unsignedintegral); |
2699 | } | |
2700 | ||
28bf4b0b | 2701 | /* ++jimz */ |
2702 | static bool | |
2703 | ctype_isLongLong (ctype c) | |
2704 | { | |
2705 | if (ctype_isConj (c)) | |
2706 | return (ctype_isLongLong (ctype_getConjA (c)) || | |
2707 | ctype_isLongLong (ctype_getConjB (c))); | |
2708 | ||
2709 | return (c == ctype_llint || c == ctype_ullint); | |
2710 | } | |
2711 | /* ==jimz */ | |
2712 | ||
616915dd | 2713 | static bool |
2714 | ctype_isLong (ctype c) | |
2715 | { | |
2716 | if (ctype_isConj (c)) | |
2717 | return (ctype_isLong (ctype_getConjA (c)) || | |
2718 | ctype_isLong (ctype_getConjB (c))); | |
2719 | ||
2720 | return (c == ctype_lint || c == ctype_ulint); | |
2721 | } | |
2722 | ||
2723 | static bool | |
2724 | ctype_isShort (ctype c) | |
2725 | { | |
2726 | if (ctype_isConj (c)) | |
2727 | return (ctype_isShort (ctype_getConjA (c)) || | |
2728 | ctype_isShort (ctype_getConjB (c))); | |
2729 | ||
2730 | return (c == ctype_sint || c == ctype_usint); | |
2731 | } | |
2732 | ||
2733 | bool | |
2734 | ctype_isStackAllocated (ctype c) | |
2735 | { | |
2736 | ctype ct = ctype_realType (c); | |
2737 | ||
2738 | if (ctype_isConj (ct)) | |
2739 | return (ctype_isStackAllocated (ctype_getConjA (ct)) || | |
2740 | ctype_isStackAllocated (ctype_getConjB (ct))); | |
2741 | ||
2742 | return (ctype_isArray (c) || ctype_isSU (c)); | |
2743 | } | |
2744 | ||
2745 | static bool ctype_isMoreUnsigned (ctype c1, ctype c2) | |
2746 | { | |
2747 | return (ctype_isUnsigned (c1) && !ctype_isUnsigned (c2)); | |
2748 | } | |
2749 | ||
2750 | static bool ctype_isLonger (ctype c1, ctype c2) | |
2751 | { | |
28bf4b0b | 2752 | /* 2001-06-10: Fix for long long's provided by Jim Zelenka */ |
616915dd | 2753 | return ((ctype_isDouble (c1) && !ctype_isDouble (c2)) |
28bf4b0b | 2754 | || (ctype_isLongLong (c1) && !ctype_isLongLong (c2)) |
2755 | || (ctype_isLong (c1) | |
2756 | && (!ctype_isLong (c2)) && (!ctype_isLongLong (c2))) | |
616915dd | 2757 | || (ctype_isShort (c2) && !ctype_isShort (c1))); |
2758 | } | |
2759 | ||
2760 | ctype | |
2761 | ctype_widest (ctype c1, ctype c2) | |
2762 | { | |
28bf4b0b | 2763 | if (ctype_isMoreUnsigned (c2, c1) || ctype_isLonger (c2, c1)) |
616915dd | 2764 | { |
2765 | return c2; | |
2766 | } | |
2767 | else | |
2768 | { | |
2769 | return c1; | |
2770 | } | |
2771 | } | |
2772 | ||
28bf4b0b | 2773 | static /*@observer@*/ ctbase ctype_getCtbase (ctype c) |
2774 | { | |
2775 | /*@+enumint@*/ | |
2776 | if (c >= 0 && c < cttab.size) | |
2777 | { | |
2778 | return (cttab.entries[c]->ctbase); | |
2779 | } | |
2780 | else | |
2781 | { | |
2782 | if (c == ctype_unknown) | |
2783 | llbuglit ("ctype_getCtbase: ctype unknown"); | |
2784 | if (c == ctype_undefined) | |
2785 | llbuglit ("ctype_getCtbase: ctype undefined"); | |
2786 | if (c == ctype_dne) | |
2787 | llbuglit ("ctype_getCtbase: ctype dne"); | |
2788 | if (c == ctype_elipsMarker) | |
2789 | llbuglit ("ctype_getCtbase: elips marker"); | |
d5047b91 | 2790 | |
28bf4b0b | 2791 | llfatalbug (message ("ctype_getCtbase: ctype out of range: %d", c)); |
2792 | BADEXIT; | |
2793 | } | |
2794 | ||
2795 | /*@=enumint@*/ | |
2796 | } | |
2797 | ||
2798 | static /*@notnull@*/ /*@observer@*/ ctbase | |
2799 | ctype_getCtbaseSafe (ctype c) | |
2800 | { | |
2801 | ctbase res = ctype_getCtbase (c); | |
2802 | ||
2803 | llassert (ctbase_isDefined (res)); | |
2804 | return res; | |
2805 | } | |
2806 | ||
2807 | /* | |
2808 | ** ctentry | |
2809 | */ | |
2810 | ||
2811 | static ctentry | |
2812 | ctype_getCtentry (ctype c) | |
2813 | { | |
2814 | static /*@only@*/ ctentry errorEntry = NULL; | |
2815 | ||
2816 | if (cttab.size == 0) | |
2817 | { | |
2818 | if (errorEntry == NULL) | |
2819 | { | |
2820 | errorEntry = ctentry_makeNew (CTK_UNKNOWN, ctbase_undefined); | |
2821 | } | |
2822 | ||
2823 | return errorEntry; | |
2824 | } | |
2825 | ||
2826 | /*@+enumint@*/ | |
2827 | if (c >= CTK_PLAIN && c < cttab.size) | |
2828 | { | |
2829 | return (cttab.entries[c]); | |
2830 | } | |
2831 | else if (c == CTK_UNKNOWN) | |
2832 | llcontbuglit ("ctype_getCtentry: ctype unknown"); | |
2833 | else if (c == CTK_INVALID) | |
2834 | llcontbuglit ("ctype_getCtentry: ctype invalid (ctype_undefined)"); | |
2835 | else if (c == CTK_DNE) | |
2836 | llcontbuglit ("ctype_getCtentry: ctype dne"); | |
2837 | else if (c == CTK_ELIPS) | |
2838 | llcontbuglit ("ctype_getCtentry: ctype elipsis"); | |
2839 | else if (c == CTK_MISSINGPARAMS) | |
2840 | llcontbuglit ("ctype_getCtentry: ctype missing params"); | |
2841 | else | |
2842 | llbug (message ("ctype_getCtentry: ctype out of range: %d", c)); | |
2843 | ||
2844 | return (cttab.entries[ctype_unknown]); | |
2845 | /*@=enumint@*/ | |
2846 | } | |
2847 | ||
0e5499ac | 2848 | |
2849 | bool ctype_isFixedArray (ctype c) | |
2850 | { | |
2851 | if (ctype_isElips (c)) return FALSE; | |
2852 | ||
2853 | return (ctbase_isFixedArray (ctype_getCtbaseSafe (c))); | |
2854 | } | |
2855 | ||
2856 | ||
616915dd | 2857 | /*drl 11/28/2000 */ |
2858 | /* requires that the type is an fixed array */ | |
2859 | /* return the size of the array */ | |
2860 | ||
37ae0b5e | 2861 | size_t ctype_getArraySize (ctype c) |
616915dd | 2862 | { |
37ae0b5e | 2863 | size_t size; |
0e5499ac | 2864 | |
616915dd | 2865 | ctbase ctb; |
616915dd | 2866 | |
7534721d | 2867 | llassert (ctype_isFixedArray (c)); |
616915dd | 2868 | |
0e5499ac | 2869 | ctb = ctype_getCtbaseSafe(c); |
28bf4b0b | 2870 | size = ctbase_getArraySize (ctb); |
616915dd | 2871 | |
7534721d | 2872 | DPRINTF ((message ("ctype_getArraySize: got fixed array size of %s / %d ", |
2873 | ctype_unparse (c), | |
2874 | (int) size))); | |
28bf4b0b | 2875 | return size; |
616915dd | 2876 | } |
28bf4b0b | 2877 | |
e5081f8c | 2878 | ctype ctype_biggerType (ctype c1, ctype c2) |
2879 | { | |
ae133592 | 2880 | if (ctbase_isBigger (ctype_getCtbaseSafe (c2), ctype_getCtbaseSafe (c1))) |
e5081f8c | 2881 | { |
2882 | return c2; | |
2883 | } | |
2884 | else | |
2885 | { | |
2886 | return c1; | |
2887 | } | |
2888 | } | |
ae133592 | 2889 | |
2890 | int ctype_getSize (ctype c) | |
2891 | { | |
2892 | return ctbase_getSize (ctype_getCtbaseSafe (ctype_realType (c))); | |
2893 | } |