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885824d3 | 1 | /* |
2 | ** LCLint - annotation-assisted static program checker | |
3 | ** Copyright (C) 1994-2000 University of Virginia, | |
4 | ** Massachusetts Institute of Technology | |
5 | ** | |
6 | ** This program is free software; you can redistribute it and/or modify it | |
7 | ** under the terms of the GNU General Public License as published by the | |
8 | ** Free Software Foundation; either version 2 of the License, or (at your | |
9 | ** option) any later version. | |
10 | ** | |
11 | ** This program is distributed in the hope that it will be useful, but | |
12 | ** WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | ** General Public License for more details. | |
15 | ** | |
16 | ** The GNU General Public License is available from http://www.gnu.org/ or | |
17 | ** the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
18 | ** MA 02111-1307, USA. | |
19 | ** | |
20 | ** For information on lclint: lclint-request@cs.virginia.edu | |
21 | ** To report a bug: lclint-bug@cs.virginia.edu | |
22 | ** For more information: http://lclint.cs.virginia.edu | |
23 | */ | |
24 | /* | |
25 | ** ctype.c | |
26 | ** | |
27 | ** This files implements three types: ctentry, cttable and ctype. | |
28 | ** They should probably be separated soon. | |
29 | */ | |
30 | ||
31 | # include "lclintMacros.nf" | |
32 | # include "basic.h" | |
33 | # include "structNames.h" | |
34 | ||
35 | static void ctype_recordConj (ctype p_c); | |
36 | ||
a0a162cd | 37 | |
885824d3 | 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 | { | |
55 | return (ctentry_isComplex (ctype_getCtentry(c))); | |
56 | } | |
57 | ||
58 | static bool ctype_isPlain (ctype c) | |
59 | { | |
60 | return (ctentry_isPlain (ctype_getCtentry(c))); | |
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@*/ | |
83 | if (i < CTK_UNKNOWN || i > CTK_COMPLEX) | |
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 | { | |
111 | cttable_load (f); | |
112 | } | |
113 | ||
114 | void | |
115 | ctype_dumpTable (FILE *f) | |
116 | { | |
a0a162cd | 117 | DPRINTF (("Dumping cttable!")); |
885824d3 | 118 | cttable_dump (f); |
119 | } | |
120 | ||
121 | cstring | |
122 | ctype_unparseTable () | |
123 | { | |
124 | return (cttable_unparse ()); | |
125 | } | |
126 | ||
127 | void | |
128 | ctype_printTable () | |
129 | { | |
130 | cttable_print (); | |
131 | } | |
132 | ||
133 | bool | |
134 | ctype_isUserBool (ctype ct) | |
135 | { | |
136 | if (ctype_isUA (ct)) | |
137 | { | |
138 | return (usymtab_isBoolType (ctype_typeId (ct))); | |
139 | } | |
140 | ||
141 | return (FALSE); | |
142 | } | |
143 | ||
144 | ctype | |
145 | ctype_createUser (typeId u) | |
146 | { | |
147 | /* requires: ctype_createUser (u) is never called more than once for any u. */ | |
148 | ||
149 | ctbase ct = ctbase_createUser (u); | |
150 | return (cttable_addFullSafe (ctentry_makeNew (CTK_PLAIN, ct))); | |
151 | } | |
152 | ||
153 | ctype | |
154 | ctype_createAbstract (typeId u) | |
155 | { | |
156 | /* requires: ctype_createAbstract (u) is never called more than once for any u. */ | |
157 | /* [ tested by cttable_addFullSafe, not really required ] */ | |
158 | return (cttable_addFullSafe (ctentry_makeNew (CTK_PLAIN, ctbase_createAbstract (u)))); | |
159 | } | |
160 | ||
161 | int | |
162 | ctype_count (void) | |
163 | { | |
164 | return (cttab.size); | |
165 | } | |
166 | ||
167 | ctype | |
168 | ctype_realType (ctype c) | |
169 | { | |
170 | ctype r = c; | |
171 | ||
172 | if (ctype_isUA (c)) | |
173 | { | |
174 | r = uentry_getRealType (usymtab_getTypeEntry (ctype_typeId (c))); | |
175 | } | |
176 | ||
a0a162cd | 177 | if (ctype_isManifestBool (r)) |
885824d3 | 178 | { |
a0a162cd | 179 | if (context_canAccessBool ()) |
885824d3 | 180 | { |
a0a162cd | 181 | r = context_boolImplementationType (); |
885824d3 | 182 | } |
183 | } | |
184 | ||
185 | return r; | |
186 | } | |
187 | ||
188 | bool | |
189 | ctype_isSimple (ctype c) | |
190 | { | |
191 | return (!(ctype_isPointer (c) | |
192 | || ctype_isArray (c) | |
193 | || ctype_isFunction (c))); | |
194 | } | |
195 | ||
196 | ctype | |
197 | ctype_forceRealType (ctype c) | |
198 | { | |
199 | ctype r = c; | |
200 | ||
201 | if (ctype_isUA (c)) | |
202 | { | |
203 | r = uentry_getForceRealType (usymtab_getTypeEntry (ctype_typeId (c))); | |
204 | } | |
205 | ||
206 | return r; | |
207 | } | |
208 | ||
209 | ctype | |
210 | ctype_realishType (ctype c) | |
211 | { | |
212 | if (ctype_isUA (c)) | |
213 | { | |
a0a162cd | 214 | if (ctype_isManifestBool (c)) |
885824d3 | 215 | { |
216 | return ctype_bool; | |
217 | } | |
218 | else | |
219 | { | |
220 | ctype r = uentry_getRealType (usymtab_getTypeEntry | |
221 | (ctype_typeId (c))); | |
222 | return (r); | |
223 | } | |
224 | } | |
225 | ||
226 | return c; | |
227 | } | |
228 | ||
229 | bool | |
230 | ctype_isUA (ctype c) | |
231 | { | |
232 | return (ctbase_isUA (ctype_getCtbase (c))); | |
233 | } | |
234 | ||
235 | bool | |
236 | ctype_isUser (ctype c) | |
237 | { | |
238 | return (ctbase_isUser (ctype_getCtbase (c))); | |
239 | } | |
240 | ||
241 | bool | |
242 | ctype_isAbstract (ctype c) | |
243 | { | |
244 | return ((ctype_isPlain (c) && ctbase_isAbstract (ctype_getCtbaseSafe (c))) || | |
245 | (ctype_isConj (c) && | |
246 | (ctype_isAbstract (ctype_getConjA (c)) | |
247 | || ctype_isAbstract (ctype_getConjB (c))))); | |
248 | } | |
249 | ||
250 | bool | |
251 | ctype_isRealAbstract (ctype c) | |
252 | { | |
253 | return (ctype_isAbstract (ctype_realType (c)) || | |
254 | (ctype_isConj (c) && | |
255 | (ctype_isRealAbstract (ctype_getConjA (c)) || | |
256 | ctype_isRealAbstract (ctype_getConjB (c))))); | |
257 | } | |
258 | ||
259 | /* | |
260 | ** primitive creators | |
261 | */ | |
262 | ||
263 | /* | |
264 | ** createPrim not necessary --- subsumed by ctype_int, etc. | |
265 | */ | |
266 | ||
267 | /* | |
268 | ** ctbase_unknown --- removed argument | |
269 | */ | |
270 | ||
271 | /* | |
272 | ** derived types: | |
273 | ** requires: if DerivedType (T) exists in cttable, then T->derivedType is it. | |
274 | */ | |
275 | ||
276 | ctype | |
277 | ctype_makePointer (ctype c) | |
278 | { | |
279 | if (c == ctype_char) | |
280 | { | |
281 | return ctype_string; | |
282 | } | |
283 | else if (c == ctype_void) | |
284 | { | |
285 | return ctype_voidPointer; | |
286 | } | |
287 | else | |
288 | { | |
289 | ctentry cte = ctype_getCtentry (c); | |
290 | ctype clp = ctentry_getPtr (cte); | |
291 | ||
292 | if /*@+enumint@*/ (clp == CTK_DNE) /*@=enumint@*/ | |
293 | { | |
294 | ctype cnew = cttable_addDerived (CTK_PTR, ctbase_makePointer (c), c); | |
295 | ctentry_setPtr (cte, cnew); | |
296 | return (cnew); | |
297 | } | |
298 | else | |
299 | { | |
300 | return clp; | |
301 | } | |
302 | } | |
303 | } | |
304 | ||
305 | ctype ctype_makeFixedArray (ctype c, long size) | |
306 | { | |
307 | return (cttable_addDerived (CTK_ARRAY, ctbase_makeFixedArray (c, size), c)); | |
308 | } | |
309 | ||
310 | ctype | |
311 | ctype_makeArray (ctype c) | |
312 | { | |
313 | ctentry cte = ctype_getCtentry (c); | |
314 | ctype clp = ctentry_getArray (cte); | |
315 | ||
316 | if /*@+enumint@*/ (clp == CTK_DNE) /*@=enumint@*/ | |
317 | { | |
318 | ctype cnew = cttable_addDerived (CTK_ARRAY, ctbase_makeArray (c), c); | |
319 | ctentry_setArray (cte, cnew); | |
320 | return (cnew); | |
321 | } | |
322 | else | |
323 | return clp; | |
324 | } | |
325 | ||
326 | /* | |
327 | ** requires c is a pointer of array | |
328 | */ | |
329 | ||
330 | ctype | |
331 | ctype_baseArrayPtr (ctype c) | |
332 | { | |
333 | ctentry cte = ctype_getCtentry (ctype_realType (c)); | |
334 | ||
335 | if (ctype_isConj (c)) | |
336 | { | |
337 | if (ctype_isAP (ctype_getConjA (c))) | |
338 | { | |
339 | if (ctype_isAP (ctype_getConjB (c))) | |
340 | { | |
341 | return (ctype_makeConj (ctype_baseArrayPtr (ctype_getConjA (c)), | |
342 | ctype_baseArrayPtr (ctype_getConjB (c)))); | |
343 | } | |
344 | else | |
345 | { | |
346 | return (ctype_baseArrayPtr (ctype_getConjA (c))); | |
347 | } | |
348 | } | |
349 | else | |
350 | { | |
351 | return (ctype_baseArrayPtr (ctype_getConjB (c))); | |
352 | } | |
353 | } | |
354 | else if (ctype_isInt (c)) /* could be NULL */ | |
355 | { | |
356 | return ctype_unknown; | |
357 | } | |
358 | else | |
359 | { | |
360 | ctype clp = ctentry_getBase (cte); | |
361 | ||
362 | if (ctype_isBroken (clp)) | |
363 | { | |
364 | llbuglit ("ctype_baseArrayPtr: bogus ctype"); | |
365 | } | |
366 | ||
367 | return clp; | |
368 | } | |
369 | } | |
370 | ||
371 | ctype | |
372 | ctype_returnValue (ctype c) | |
373 | { | |
374 | return (ctbase_baseFunction (ctype_getCtbaseSafe (c))); | |
375 | } | |
376 | ||
377 | /* | |
378 | ** must be a shared pointer | |
379 | */ | |
380 | ||
381 | /*@observer@*/ uentryList | |
382 | ctype_argsFunction (ctype c) | |
383 | { | |
384 | return (ctbase_argsFunction (ctype_getCtbaseSafe (c))); | |
385 | } | |
386 | ||
387 | /* | |
388 | ** Returns type with base type p and compound types from c. | |
389 | ** | |
390 | ** i.e., c = char *[]; p = int | |
391 | ** => int *[] | |
392 | */ | |
393 | ||
394 | ctype | |
395 | ctype_newBase (ctype c, ctype p) | |
396 | { | |
397 | return (ctbase_newBase (c, p)); | |
398 | } | |
399 | ||
400 | bool | |
401 | ctype_sameAltTypes (ctype c1, ctype c2) | |
402 | { | |
403 | ctype c1a, c2a; | |
404 | ctype c1b, c2b; | |
405 | ||
406 | llassert (ctype_isConj (c1) && ctype_isConj (c2)); | |
407 | ||
408 | c1a = ctype_getConjA (c1); | |
409 | c2a = ctype_getConjA (c2); | |
410 | ||
411 | c1b = ctype_getConjB (c1); | |
412 | c2b = ctype_getConjB (c2); | |
413 | ||
414 | if (ctype_compare (c1a, c2a) == 0) | |
415 | { | |
416 | if (ctype_compare (c1b, c2b) == 0) | |
417 | { | |
418 | return TRUE; | |
419 | } | |
420 | else | |
421 | { | |
422 | if (ctype_isConj (c1b) && ctype_isConj (c2b)) | |
423 | { | |
424 | return ctype_sameAltTypes (c1b, c2b); | |
425 | } | |
426 | else | |
427 | { | |
428 | return FALSE; | |
429 | } | |
430 | } | |
431 | } | |
432 | else | |
433 | { | |
434 | if (ctype_compare (c1a, c2b) == 0) | |
435 | { | |
436 | if (ctype_compare (c1b, c2a) == 0) | |
437 | { | |
438 | return TRUE; | |
439 | } | |
440 | else | |
441 | { | |
442 | if (ctype_isConj (c1b) && ctype_isConj (c2a)) | |
443 | { | |
444 | return ctype_sameAltTypes (c1b, c2a); | |
445 | } | |
446 | else | |
447 | { | |
448 | return FALSE; | |
449 | } | |
450 | } | |
451 | } | |
452 | else | |
453 | { | |
454 | return FALSE; | |
455 | } | |
456 | } | |
457 | } | |
458 | ||
459 | int | |
460 | ctype_compare (ctype c1, ctype c2) | |
461 | { | |
462 | ctentry ce1; | |
463 | ctentry ce2; | |
464 | ||
a0a162cd | 465 | /* Can't get entries for special ctypes (elips marker) */ |
466 | ||
467 | if (ctype_isElips (c1) || ctype_isElips (c2) | |
468 | || ctype_isMissingParamsMarker (c1) || ctype_isMissingParamsMarker (c2)) { | |
469 | return int_compare (c1, c2); | |
470 | } | |
471 | ||
885824d3 | 472 | ce1 = ctype_getCtentry (c1); |
473 | ce2 = ctype_getCtentry (c2); | |
474 | ||
475 | if (ctentry_isComplex (ce1)) | |
476 | { | |
477 | if (ctentry_isComplex (ce2)) | |
478 | { | |
479 | return (ctbase_compare (ctype_getCtbase (c1), | |
480 | ctype_getCtbase (c2), FALSE)); | |
481 | } | |
482 | else | |
483 | { | |
484 | return 1; | |
485 | } | |
486 | } | |
487 | else if (ctentry_isComplex (ce2)) | |
488 | { | |
489 | return -1; | |
490 | } | |
491 | else | |
492 | { | |
493 | return (int_compare (c1, c2)); | |
494 | } | |
495 | } | |
496 | ||
497 | /* | |
498 | ** complex types | |
499 | */ | |
500 | ||
501 | /* | |
502 | ** makeFunction: pointer to function returning base | |
503 | */ | |
504 | ||
505 | ctype | |
506 | ctype_makeParamsFunction (ctype base, /*@only@*/ uentryList p) | |
507 | { | |
508 | uentryList_fixImpParams (p); | |
509 | return (ctype_makeFunction (base, p)); | |
510 | } | |
511 | ||
512 | ctype | |
513 | ctype_makeNFParamsFunction (ctype base, /*@only@*/ uentryList p) | |
514 | { | |
515 | uentryList_fixImpParams (p); | |
516 | return (ctbase_makeNFFunction (base, p)); | |
517 | } | |
518 | ||
519 | ctype | |
520 | ctype_makeFunction (ctype base, /*@only@*/ uentryList p) | |
521 | { | |
522 | ctype ret; | |
523 | ret = ctbase_makeFunction (base, p); | |
524 | return (ret); | |
525 | } | |
526 | ||
527 | ctype ctype_expectFunction (ctype c) | |
528 | { | |
529 | /* handle parenthesized declarations */ | |
530 | ||
531 | if (!ctype_isAP (c)) | |
532 | { | |
533 | c = ctype_makePointer (c); | |
534 | } | |
535 | ||
536 | return (cttable_addComplex (ctbase_expectFunction (c))); | |
537 | } | |
538 | ||
539 | /* | |
540 | ** makeRealFunction: function returning base | |
541 | */ | |
542 | ||
543 | ctype ctype_makeRealFunction (ctype base, uentryList p) | |
544 | { | |
545 | return (cttable_addComplex (ctbase_makeRealFunction (base, p))); | |
546 | } | |
547 | ||
548 | /* | |
549 | ** plain predicates | |
550 | */ | |
551 | ||
552 | /*** | |
553 | **** this is very poorly defined | |
554 | **** | |
555 | **** need to unify function/function pointer meaning | |
556 | ***/ | |
557 | ||
558 | bool | |
559 | ctype_isFunction (ctype c) | |
560 | { | |
561 | return (ctbase_isFunction (ctype_getCtbase (c))); | |
562 | } | |
563 | ||
564 | bool | |
565 | ctype_isExpFcn (ctype c) | |
566 | { | |
567 | return (ctbase_isExpFcn (ctype_getCtbase (c))); | |
568 | } | |
569 | ||
570 | bool | |
571 | ctype_isVoid (ctype c) | |
572 | { | |
573 | return (c == CTX_VOID); | |
574 | } | |
575 | ||
576 | bool | |
577 | ctype_isArbitraryIntegral (ctype c) | |
578 | { | |
579 | ctype cr = ctype_realType (c); | |
580 | ||
581 | return (cr == ctype_anyintegral || cr == ctype_unsignedintegral | |
582 | || cr == ctype_signedintegral); | |
583 | } | |
584 | ||
585 | bool | |
586 | ctype_isUnsignedIntegral (ctype c) | |
587 | { | |
588 | ctype cr = ctype_realType (c); | |
589 | ||
590 | return (cr == ctype_unsignedintegral); | |
591 | } | |
592 | ||
593 | bool | |
594 | ctype_isSignedIntegral (ctype c) | |
595 | { | |
596 | ctype cr = ctype_realType (c); | |
597 | ||
598 | return (cr == ctype_signedintegral); | |
599 | } | |
600 | ||
601 | bool | |
602 | ctype_isInt (ctype c) | |
603 | { | |
604 | cprim cp = ctype_toCprim (c); | |
605 | ||
606 | return (c == ctype_unknown || cprim_isAnyInt (cp) | |
607 | || (cprim_isAnyChar (cp) && context_msgCharInt ()) | |
608 | || (c == ctype_bool && context_msgBoolInt ()) | |
609 | || (ctype_isEnum (c) && context_msgEnumInt ())); | |
610 | } | |
611 | ||
612 | bool | |
613 | ctype_isRegularInt (ctype c) | |
614 | { | |
615 | cprim cp = ctype_toCprim (c); | |
616 | ||
617 | return (c == ctype_unknown | |
618 | || cprim_closeEnough (cprim_int, cp) | |
619 | || (cprim_isAnyChar (cp) && context_msgCharInt ()) | |
620 | || (c == ctype_bool && context_msgBoolInt ()) | |
621 | || (ctype_isEnum (c) && context_msgEnumInt ())); | |
622 | } | |
623 | ||
624 | bool | |
625 | ctype_isString (ctype c) | |
626 | { | |
627 | return (c == ctype_string | |
628 | || (ctype_isPointer (c) | |
629 | && ctype_isChar (ctype_baseArrayPtr (c)))); | |
630 | } | |
631 | ||
632 | bool | |
633 | ctype_isChar (ctype c) | |
634 | { | |
635 | return ((c == ctype_unknown) || (cprim_isAnyChar (ctype_toCprim (c))) | |
636 | || (context_getFlag (FLG_CHARINT) && ctype_isInt (c))); | |
637 | } | |
638 | ||
639 | bool | |
640 | ctype_isUnsignedChar (ctype c) | |
641 | { | |
642 | return ((c == ctype_unknown) || (cprim_isUnsignedChar (ctype_toCprim (c)))); | |
643 | } | |
644 | ||
645 | bool | |
646 | ctype_isSignedChar (ctype c) | |
647 | { | |
648 | return ((c == ctype_unknown) || (cprim_isSignedChar (ctype_toCprim (c)))); | |
649 | } | |
650 | ||
a0a162cd | 651 | /* |
652 | ** Returns true if c matches the name -booltype <bool> | |
653 | */ | |
654 | ||
655 | bool | |
656 | ctype_isManifestBool (ctype c) | |
657 | { | |
658 | /* | |
659 | ** Changed the meaning of ctype_isBool - evs 2000-07-24 | |
660 | ** The old meaning was very convoluted! | |
661 | ** | |
662 | ** c is a bool if: | |
663 | ** c == CTX_BOOL - its a direct bool | |
664 | ** c is a user/abstract type matching the bool name | |
665 | ** (should never occur?) | |
666 | */ | |
667 | ||
668 | if (ctype_isDirectBool (c)) { | |
669 | return TRUE; | |
670 | } else if (ctype_isUA (c)) { | |
671 | return ctype_isUserBool (c); | |
672 | } else { | |
673 | return FALSE; | |
674 | } | |
675 | } | |
676 | ||
885824d3 | 677 | bool |
678 | ctype_isBool (ctype c) | |
679 | { | |
a0a162cd | 680 | /* |
681 | ** Changed the meaning of ctype_isBool - evs 2000-07-24 | |
682 | ** The old meaning was very convoluted! | |
683 | ** | |
684 | ** c is a bool if: | |
685 | ** its a manifest bool | |
686 | ** +boolint and ctype_isInt (c) | |
687 | */ | |
885824d3 | 688 | |
a0a162cd | 689 | if (ctype_isManifestBool (c)) { |
690 | return TRUE; | |
691 | } else if (context_msgBoolInt ()) { | |
692 | return ctype_isInt (c); | |
693 | } else { | |
694 | return FALSE; | |
695 | } | |
696 | ||
697 | # if 0 | |
885824d3 | 698 | if (context_getFlag (FLG_ABSTRACTBOOL)) |
699 | { | |
700 | if (typeId_isInvalid (boolType)) | |
701 | { | |
702 | boolType = usymtab_getTypeId (context_getBoolName ()); | |
703 | } | |
704 | ||
705 | if (context_hasAccess (boolType)) | |
706 | { | |
707 | return (((c == CTX_UNKNOWN) || (c == CTX_BOOL) | |
708 | || (context_msgBoolInt () | |
709 | && (c == CTX_INT | |
710 | || (c == CTX_CHAR && context_msgCharInt ())))) | |
711 | || ctype_isInt (c)); | |
712 | } | |
713 | } | |
714 | ||
715 | return ((c == CTX_UNKNOWN) || (c == CTX_BOOL) | |
716 | || (context_msgBoolInt () | |
717 | && (c == CTX_INT || (c == CTX_CHAR && context_msgCharInt ())))); | |
a0a162cd | 718 | # endif |
885824d3 | 719 | } |
720 | ||
721 | bool | |
722 | ctype_isDirectBool (ctype c) | |
723 | { | |
724 | return (c == CTX_BOOL); | |
725 | } | |
726 | ||
727 | bool | |
728 | ctype_isReal (ctype c) | |
729 | { | |
730 | return (cprim_isAnyReal (ctype_toCprim (c))); | |
731 | } | |
732 | ||
733 | bool | |
734 | ctype_isFloat (ctype c) | |
735 | { | |
736 | return (c == ctype_float); | |
737 | } | |
738 | ||
739 | bool | |
740 | ctype_isDouble (ctype c) | |
741 | { | |
742 | return (c == ctype_double || c == ctype_ldouble); | |
743 | } | |
744 | ||
745 | bool | |
746 | ctype_isSigned (ctype c) | |
747 | { | |
748 | return (!ctype_isUnsigned (c)); | |
749 | } | |
750 | ||
751 | bool | |
752 | ctype_isNumeric (ctype c) | |
753 | { | |
754 | return (ctype_isInt (c) || ctype_isReal (c) || ctype_isEnum (c)); | |
755 | } | |
756 | ||
757 | ||
758 | /* | |
759 | ** real predicates | |
760 | ** | |
761 | ** work on actual type in current context | |
762 | */ | |
763 | ||
764 | bool | |
765 | ctype_isRealNumeric (ctype c) | |
766 | { | |
767 | if (ctype_isPlain (c)) | |
768 | return (ctype_isNumeric (ctype_realType (c))); | |
769 | if (ctype_isConj (c)) | |
770 | return (ctype_isRealNumeric (ctype_getConjA (c)) || | |
771 | ctype_isRealNumeric (ctype_getConjB (c))); | |
772 | else | |
773 | return FALSE; | |
774 | } | |
775 | ||
776 | bool | |
777 | ctype_isRealInt (ctype c) | |
778 | { | |
779 | if (ctype_isPlain (c)) | |
780 | return (ctype_isInt (ctype_realType (c))); | |
781 | else if (ctype_isConj (c)) | |
782 | return (ctype_isRealInt (ctype_getConjA (c)) || | |
783 | ctype_isRealInt (ctype_getConjB (c))); | |
784 | else | |
785 | { | |
786 | if (ctype_isEnum (c) && context_msgEnumInt ()) return TRUE; | |
787 | return FALSE; | |
788 | } | |
789 | } | |
790 | ||
791 | bool | |
792 | ctype_isRealVoid (ctype c) | |
793 | { | |
794 | if (ctype_isPlain (c)) | |
795 | { | |
796 | return (ctype_isVoid (ctype_realType (c))); | |
797 | } | |
798 | else if (ctype_isConj (c)) | |
799 | { | |
800 | return (ctype_isRealVoid (ctype_getConjA (c)) || | |
801 | ctype_isRealVoid (ctype_getConjB (c))); | |
802 | } | |
803 | else | |
804 | { | |
805 | return FALSE; | |
806 | } | |
807 | } | |
808 | ||
809 | bool | |
810 | ctype_isRealBool (ctype c) | |
811 | { | |
812 | if (ctype_isPlain (c)) | |
813 | { | |
814 | return (ctype_isBool (ctype_realishType (c))); | |
815 | } | |
816 | else if (ctype_isConj (c)) | |
817 | { | |
818 | return (ctype_isRealBool (ctype_getConjA (c)) || | |
819 | ctype_isRealBool (ctype_getConjB (c))); | |
820 | } | |
821 | else | |
822 | { | |
823 | return FALSE; | |
824 | } | |
825 | } | |
826 | ||
827 | bool | |
828 | ctype_isRealPointer (ctype c) | |
829 | { | |
830 | if (ctype_isConj (c)) | |
831 | return (ctype_isRealPointer (ctype_getConjA (c)) || | |
832 | ctype_isRealPointer (ctype_getConjB (c))); | |
833 | return (ctype_isPointer (ctype_realType (c))); | |
834 | } | |
835 | ||
836 | bool | |
837 | ctype_isRealSU (ctype c) | |
838 | { | |
839 | if (ctype_isConj (c)) | |
840 | { | |
841 | return (ctype_isRealSU (ctype_getConjA (c)) || | |
842 | ctype_isRealSU (ctype_getConjB (c))); | |
843 | } | |
844 | return (ctype_isStructorUnion (ctype_realType (c))); | |
845 | } | |
846 | ||
847 | bool | |
848 | ctype_isRealArray (ctype c) | |
849 | { | |
850 | if (ctype_isConj (c)) | |
851 | return (ctype_isRealArray (ctype_getConjA (c)) || | |
852 | ctype_isRealArray (ctype_getConjB (c))); | |
853 | return (ctype_isArray (ctype_realType (c))); | |
854 | } | |
855 | ||
856 | bool | |
857 | ctype_isRealAP (ctype c) | |
858 | { | |
859 | if (ctype_isConj (c)) | |
860 | return (ctype_isRealAP (ctype_getConjA (c)) || | |
861 | ctype_isRealAP (ctype_getConjB (c))); | |
862 | return (ctype_isAP (ctype_realType (c))); | |
863 | } | |
864 | ||
865 | bool | |
866 | ctype_isRealFunction (ctype c) | |
867 | { | |
868 | if (ctype_isConj (c)) | |
869 | return (ctype_isRealFunction (ctype_getConjA (c)) || | |
870 | ctype_isRealFunction (ctype_getConjB (c))); | |
871 | return (ctype_isFunction (ctype_realType (c))); | |
872 | } | |
873 | ||
874 | bool | |
875 | ctype_isDirectInt (ctype c) | |
876 | { | |
877 | return (c == CTX_INT || c == CTX_UINT || c == CTX_SINT || c == CTX_ULINT || c == CTX_USINT); | |
878 | } | |
879 | ||
880 | /* | |
881 | ** forceful predicates | |
882 | ** | |
883 | ** take *ctype; if its a conjunct, and there is a match replace with match only. | |
884 | ** if both match, still conjunct | |
885 | */ | |
886 | ||
887 | static bool | |
888 | ctype_isForcePred (ctype * c, bool (pred) (ctype)) | |
889 | { | |
890 | if (ctype_isConj (*c)) | |
891 | { | |
892 | ctype cbr = ctype_getConjA (*c); | |
893 | ||
894 | if ((*pred) (cbr)) | |
895 | { | |
896 | if ((*pred) (ctype_getConjB (*c))) | |
897 | { | |
898 | ; | |
899 | } | |
900 | else | |
901 | { | |
902 | *c = cbr; | |
903 | } | |
904 | ||
905 | return TRUE; | |
906 | } | |
907 | else | |
908 | { | |
909 | if ((*pred) (cbr = ctype_getConjB (*c))) | |
910 | { | |
911 | *c = cbr; | |
912 | return TRUE; | |
913 | } | |
914 | } | |
915 | } | |
916 | ||
917 | return ((*pred) (*c)); | |
918 | } | |
919 | ||
920 | bool | |
921 | ctype_isForceRealNumeric (ctype * c) | |
922 | { | |
923 | return (ctype_isForcePred (c, ctype_isRealNumeric)); | |
924 | } | |
925 | ||
926 | bool | |
927 | ctype_isForceRealInt (ctype * c) | |
928 | { | |
929 | return (ctype_isForcePred (c, ctype_isRealInt)); | |
930 | } | |
931 | ||
932 | bool | |
933 | ctype_isForceRealBool (ctype * c) | |
934 | { | |
935 | return (ctype_isForcePred (c, ctype_isRealBool)); | |
936 | } | |
937 | ||
938 | /* | |
939 | ** conjuncts | |
940 | ** | |
941 | ** save int/char, int/bool, other random conjuncts | |
942 | */ | |
943 | ||
944 | static ctype | |
945 | ctype_makeConjAux (ctype c1, ctype c2, bool isExplicit) | |
946 | { | |
947 | if (ctype_isBogus (c1) || ctype_isUndefined (c1)) | |
948 | { | |
949 | return c2; | |
950 | } | |
951 | else if (ctype_isBogus (c2) || ctype_isUndefined (c2)) | |
952 | { | |
953 | return c1; | |
954 | } | |
955 | else | |
956 | { | |
957 | if (isExplicit) | |
958 | { | |
959 | return (ctype_makeExplicitConj (c1, c2)); | |
960 | } | |
961 | else | |
962 | { | |
963 | return (ctype_makeConj (c1, c2)); | |
964 | } | |
965 | } | |
966 | } | |
967 | ||
968 | ctype | |
969 | ctype_makeExplicitConj (ctype c1, ctype c2) | |
970 | { | |
971 | if (ctype_isFunction (c1) && !ctype_isFunction (c2)) | |
972 | { | |
973 | ctype ret = ctype_makeExplicitConj (ctype_returnValue (c1), c2); | |
974 | ||
975 | return ctype_makeFunction (ret, uentryList_copy (ctype_getParams (c1))); | |
976 | } | |
977 | else if (ctype_isFunction (c2) && !ctype_isFunction (c1)) | |
978 | { | |
979 | ctype ret = ctype_makeExplicitConj (c1, ctype_returnValue (c2)); | |
980 | ||
981 | return ctype_makeFunction (ret, uentryList_copy (ctype_getParams (c2))); | |
982 | } | |
983 | else | |
984 | { | |
985 | return (cttable_addComplex (ctbase_makeConj (c1, c2, TRUE))); | |
986 | } | |
987 | } | |
988 | ||
989 | static ctype ic = ctype_unknown; /* int | char */ | |
990 | static ctype ib = ctype_unknown; /* int | bool */ | |
991 | static ctype ifl = ctype_unknown; /* int | float */ | |
992 | static ctype ibf = ctype_unknown; /* int | bool | float */ | |
993 | static ctype ibc = ctype_unknown; /* int | bool | char */ | |
994 | static ctype iv = ctype_unknown; /* int | void * */ | |
995 | static ctype ivf = ctype_unknown; /* int | void * | float */ | |
996 | static ctype ivb = ctype_unknown; /* int | void * | bool */ | |
997 | static ctype ivbf = ctype_unknown; /* int | void * | bool | float */ | |
998 | static ctype cuc = ctype_unknown; /* char | unsigned char */ | |
999 | ||
1000 | static void | |
1001 | ctype_recordConj (ctype c) | |
1002 | { | |
1003 | ctype c1, c2; | |
1004 | ||
1005 | llassert (ctype_isConj (c)); | |
1006 | ||
1007 | c1 = ctype_getConjA (c); | |
1008 | c2 = ctype_getConjB (c); | |
1009 | ||
1010 | /* No, can't swap! | |
1011 | if (c2 == ctype_int && c1 != ctype_int) | |
1012 | { | |
1013 | ctype tmp; | |
1014 | ||
1015 | tmp = c1; | |
1016 | c1 = c2; | |
1017 | c2 = tmp; | |
1018 | } | |
1019 | */ | |
1020 | ||
1021 | if (c1 == ctype_int) | |
1022 | { | |
1023 | if (c2 == ctype_char) | |
1024 | { | |
1025 | llassert (ic == ctype_unknown); | |
1026 | ic = c; | |
1027 | } | |
1028 | else if (c2 == ctype_bool) | |
1029 | { | |
1030 | llassert (ib == ctype_unknown); | |
1031 | ib = c; | |
1032 | } | |
1033 | else if (c2 == ctype_float) | |
1034 | { | |
1035 | llassert (ifl == ctype_unknown); | |
1036 | ifl = c; | |
1037 | } | |
1038 | else if (c2 == CTP_VOID) | |
1039 | { | |
1040 | llassert (iv == ctype_unknown); | |
1041 | iv = c; | |
1042 | } | |
1043 | else | |
1044 | { | |
1045 | /* not special */ | |
1046 | } | |
1047 | } | |
1048 | else if (c1 == ib && ib != ctype_unknown) | |
1049 | { | |
1050 | if (c2 == ctype_float) | |
1051 | { | |
1052 | llassert (ibf == ctype_unknown); | |
1053 | ibf = c; | |
1054 | } | |
1055 | else if (c2 == ctype_char) | |
1056 | { | |
1057 | llassert (ibc == ctype_unknown); | |
1058 | ibc = c; | |
1059 | } | |
1060 | else | |
1061 | { | |
1062 | /* not special */ | |
1063 | } | |
1064 | } | |
1065 | else if (c1 == iv) | |
1066 | { | |
1067 | if (c2 == ctype_bool) | |
1068 | { | |
1069 | llassert (ivb == ctype_unknown); | |
1070 | ivb = c; | |
1071 | } | |
1072 | else if (c2 == ctype_float) | |
1073 | { | |
1074 | llassert (ivf == ctype_unknown); | |
1075 | ivf = c; | |
1076 | } | |
1077 | else | |
1078 | { | |
1079 | /* not special */ | |
1080 | } | |
1081 | } | |
1082 | else if (c1 == ivf) | |
1083 | { | |
1084 | if (c2 == ctype_bool) | |
1085 | { | |
1086 | llassert (ivbf == ctype_unknown); | |
1087 | ivbf = c; | |
1088 | } | |
1089 | } | |
1090 | else if (c1 == ivb) | |
1091 | { | |
1092 | if (c2 == ctype_float) | |
1093 | { | |
1094 | llassert (ivbf == ctype_unknown); | |
1095 | ivbf = c; | |
1096 | } | |
1097 | } | |
1098 | else if (c1 == ctype_char) | |
1099 | { | |
1100 | if (c2 == ctype_uchar) | |
1101 | { | |
1102 | llassert (cuc == ctype_unknown); | |
1103 | ||
1104 | cuc = c; | |
1105 | } | |
1106 | } | |
1107 | else | |
1108 | { | |
1109 | /* not special */ | |
1110 | } | |
1111 | } | |
1112 | ||
1113 | ctype | |
1114 | ctype_makeConj (ctype c1, ctype c2) | |
1115 | { | |
1116 | /* no: can have unsigned long @alt long@: llassert (c1 != c2); */ | |
1117 | ||
1118 | DPRINTF (("Make conj: %s / %s", ctype_unparse (c1), ctype_unparse (c2))); | |
1119 | ||
1120 | if (ctype_isFunction (c1) && !ctype_isFunction (c2)) | |
1121 | { | |
1122 | ctype ret = ctype_makeConj (ctype_returnValue (c1), c2); | |
1123 | return ctype_makeFunction (ret, uentryList_copy (ctype_getParams (c1))); | |
1124 | } | |
1125 | else if (ctype_isFunction (c2) && !ctype_isFunction (c1)) | |
1126 | { | |
1127 | ctype ret = ctype_makeConj (c1, ctype_returnValue (c2)); | |
1128 | return ctype_makeFunction (ret, uentryList_copy (ctype_getParams (c2))); | |
1129 | } | |
1130 | else | |
1131 | { | |
a0a162cd | 1132 | if (ctype_isManifestBool (c1)) |
885824d3 | 1133 | { |
1134 | c1 = ctype_bool; | |
1135 | } | |
1136 | ||
a0a162cd | 1137 | if (ctype_isManifestBool (c2)) |
885824d3 | 1138 | { |
1139 | c2 = ctype_bool; | |
1140 | } | |
1141 | ||
1142 | if (ctbase_isVoidPointer (ctype_getCtbaseSafe (c1))) | |
1143 | { | |
1144 | c1 = ctype_voidPointer; | |
1145 | } | |
1146 | ||
1147 | if (ctbase_isVoidPointer (ctype_getCtbaseSafe (c2))) | |
1148 | { | |
1149 | c2 = ctype_voidPointer; | |
1150 | } | |
1151 | ||
1152 | /* | |
1153 | ** Ouch, can't do this. unsigned, etc. modifiers might | |
1154 | ** apply to wrong type! | |
1155 | ** | |
1156 | ** if (c2 == ctype_int && c1 != ctype_int) | |
1157 | ** { | |
1158 | ** ctype tmp; | |
1159 | ** | |
1160 | ** tmp = c1; | |
1161 | ** c1 = c2; | |
1162 | ** c2 = tmp; | |
1163 | ** } | |
1164 | ** | |
1165 | */ | |
1166 | ||
1167 | if (c1 == ctype_int) | |
1168 | { | |
1169 | if (c2 == ctype_char) | |
1170 | { | |
1171 | if (ic == ctype_unknown) | |
1172 | { | |
1173 | ic = cttable_addComplex (ctbase_makeConj (ctype_int, ctype_char, FALSE)); | |
1174 | } | |
1175 | ||
1176 | return ic; | |
1177 | } | |
1178 | else if (c2 == ctype_bool) | |
1179 | { | |
1180 | if (ib == ctype_unknown) | |
1181 | { | |
1182 | ib = cttable_addComplex | |
1183 | (ctbase_makeConj (ctype_int, ctype_bool, FALSE)); | |
1184 | } | |
1185 | ||
1186 | return ib; | |
1187 | } | |
1188 | else if (c2 == ctype_float) | |
1189 | { | |
1190 | if (ifl == ctype_unknown) | |
1191 | { | |
1192 | ifl = cttable_addComplex (ctbase_makeConj (ctype_int, ctype_float, FALSE)); | |
1193 | } | |
1194 | ||
1195 | return ifl; | |
1196 | } | |
1197 | else | |
1198 | { | |
1199 | if (c2 == ctype_voidPointer) | |
1200 | { | |
1201 | if (iv == ctype_unknown) | |
1202 | { | |
1203 | iv = cttable_addComplex | |
1204 | (ctbase_makeConj (ctype_int, | |
1205 | ctype_voidPointer, | |
1206 | FALSE)); | |
1207 | } | |
1208 | ||
1209 | return iv; | |
1210 | } | |
1211 | } | |
1212 | } | |
1213 | else if (c1 == ib && ib != ctype_unknown) | |
1214 | { | |
1215 | if (c2 == ctype_float) | |
1216 | { | |
1217 | if (ibf == ctype_unknown) | |
1218 | { | |
1219 | ibf = cttable_addComplex (ctbase_makeConj (ib, ctype_float, FALSE)); | |
1220 | } | |
1221 | ||
1222 | return ibf; | |
1223 | } | |
1224 | else if (c2 == ctype_char) | |
1225 | { | |
1226 | if (ibc == ctype_unknown) | |
1227 | { | |
1228 | ibc = cttable_addComplex (ctbase_makeConj (ib, ctype_char, FALSE)); | |
1229 | } | |
1230 | ||
1231 | return ibc; | |
1232 | } | |
1233 | else | |
1234 | { | |
1235 | ; | |
1236 | } | |
1237 | } | |
1238 | else if (c1 == iv) | |
1239 | { | |
1240 | if (c2 == ctype_bool) | |
1241 | { | |
1242 | if (ivb == ctype_unknown) | |
1243 | { | |
1244 | ivb = cttable_addComplex (ctbase_makeConj (c1, c2, FALSE)); | |
1245 | } | |
1246 | ||
1247 | return ivb; | |
1248 | } | |
1249 | else if (c2 == ctype_float) | |
1250 | { | |
1251 | if (ivf == ctype_unknown) | |
1252 | { | |
1253 | ivf = cttable_addComplex (ctbase_makeConj (c1, c2, FALSE)); | |
1254 | } | |
1255 | ||
1256 | return ivf; | |
1257 | } | |
1258 | else | |
1259 | { | |
1260 | ; | |
1261 | } | |
1262 | } | |
1263 | else if (c1 == ivf) | |
1264 | { | |
1265 | if (c2 == ctype_bool) | |
1266 | { | |
1267 | if (ivbf == ctype_unknown) | |
1268 | { | |
1269 | ivbf = cttable_addComplex (ctbase_makeConj (c1, c2, FALSE)); | |
1270 | } | |
1271 | ||
1272 | return ivbf; | |
1273 | } | |
1274 | } | |
1275 | else if (c1 == ivb) | |
1276 | { | |
1277 | if (c2 == ctype_float) | |
1278 | { | |
1279 | if (ivbf == ctype_unknown) | |
1280 | { | |
1281 | ivbf = cttable_addComplex (ctbase_makeConj (c1, c2, FALSE)); | |
1282 | } | |
1283 | ||
1284 | return ivbf; | |
1285 | } | |
1286 | } | |
1287 | else if (c1 == ctype_char) | |
1288 | { | |
1289 | if (c2 == ctype_uchar) | |
1290 | { | |
1291 | if (cuc == ctype_unknown) | |
1292 | { | |
1293 | cuc = cttable_addComplex (ctbase_makeConj (c1, c2, FALSE)); | |
1294 | } | |
1295 | ||
1296 | return cuc; | |
1297 | } | |
1298 | } | |
1299 | else | |
1300 | { | |
1301 | ; | |
1302 | } | |
1303 | ||
1304 | ||
1305 | return (cttable_addComplex (ctbase_makeConj (c1, c2, FALSE))); | |
1306 | } | |
1307 | } | |
1308 | ||
1309 | ||
1310 | bool | |
1311 | ctype_isConj (ctype c) | |
1312 | { | |
1313 | return (ctype_isComplex (c) && ctbase_isConj (ctype_getCtbase (c))); | |
1314 | } | |
1315 | ||
1316 | static ctype | |
1317 | ctype_getConjA (ctype c) | |
1318 | { | |
1319 | if (!ctype_isConj (c)) | |
1320 | llbuglit ("ctype_getConjA: not a conj"); | |
1321 | return (ctbase_getConjA (ctype_getCtbaseSafe (c))); | |
1322 | } | |
1323 | ||
1324 | static ctype | |
1325 | ctype_getConjB (ctype c) | |
1326 | { | |
1327 | if (!ctype_isConj (c)) | |
1328 | llbuglit ("ctype_getConjB: not a conj"); | |
1329 | return (ctbase_getConjB (ctype_getCtbaseSafe (c))); | |
1330 | } | |
1331 | ||
1332 | static bool | |
1333 | ctype_isExplicitConj (ctype c) | |
1334 | { | |
1335 | return (ctype_isConj (c) && ctbase_isExplicitConj (ctype_getCtbaseSafe (c))); | |
1336 | } | |
1337 | ||
1338 | /** << need to fix resolveConj >> **/ | |
1339 | ||
1340 | /* | |
1341 | ** structs and unions | |
1342 | */ | |
1343 | ||
1344 | ctype | |
1345 | ctype_createStruct (/*@only@*/ cstring n, /*@only@*/ uentryList f) | |
1346 | { | |
1347 | ctype ct; | |
1348 | ||
a0a162cd | 1349 | DPRINTF (("Creating a struct: %s / %s", |
1350 | n, uentryList_unparse (f))); | |
1351 | ||
885824d3 | 1352 | ct = cttable_addComplex (ctbase_createStruct (n, f)); |
a0a162cd | 1353 | DPRINTF (("ct: %s", ctype_unparse (ct))); |
885824d3 | 1354 | return (ct); |
1355 | } | |
1356 | ||
1357 | uentryList | |
1358 | ctype_getFields (ctype c) | |
1359 | { | |
1360 | return (ctbase_getuentryList (ctype_getCtbaseSafe (c))); | |
1361 | } | |
1362 | ||
1363 | ctype | |
1364 | ctype_createUnion (/*@only@*/ cstring n, /*@only@*/ uentryList f) | |
1365 | { | |
1366 | ctype ret; | |
1367 | ||
1368 | ret = cttable_addComplex (ctbase_createUnion (n, f)); | |
1369 | return ret; | |
1370 | } | |
1371 | ||
1372 | /* | |
1373 | ** matching | |
1374 | ** | |
1375 | ** if ctype's are same, definite match. | |
1376 | ** else, need to call ctbase_match. | |
1377 | ** | |
1378 | ** if necessary context can memoize matches | |
1379 | */ | |
1380 | ||
1381 | static bool | |
1382 | quickMatch (ctype c1, ctype c2) | |
1383 | { | |
1384 | if (c1 == c2) | |
1385 | return TRUE; | |
1386 | ||
1387 | return FALSE; | |
1388 | } | |
1389 | ||
1390 | bool | |
a0a162cd | 1391 | ctype_genMatch (ctype c1, ctype c2, bool force, bool arg, bool def, bool deep) |
885824d3 | 1392 | { |
1393 | bool match; | |
1394 | ||
a0a162cd | 1395 | DPRINTF (("Gen match: %s / %s arg: %s", ctype_unparse (c1), ctype_unparse (c2), bool_unparse (arg))); |
1396 | ||
885824d3 | 1397 | if (quickMatch (c1, c2)) |
1398 | { | |
1399 | return TRUE; | |
1400 | } | |
1401 | ||
1402 | if (ctype_isElips (c1) || ctype_isElips (c2)) | |
1403 | { | |
1404 | return FALSE; | |
1405 | } | |
1406 | else | |
1407 | { | |
a0a162cd | 1408 | match = ctbase_genMatch (ctype_getCtbase (c1), ctype_getCtbase (c2), force, arg, def, deep); |
885824d3 | 1409 | return (match); |
1410 | } | |
1411 | } | |
1412 | ||
1413 | bool | |
1414 | ctype_sameName (ctype c1, ctype c2) | |
1415 | { | |
1416 | if (quickMatch (c1, c2)) | |
1417 | return TRUE; | |
1418 | else | |
1419 | return (cstring_equal (ctype_unparse (c1), ctype_unparse (c2))); | |
1420 | } | |
1421 | ||
1422 | bool | |
1423 | ctype_almostEqual (ctype c1, ctype c2) | |
1424 | { | |
1425 | if (ctype_equal (c1, c2)) | |
1426 | { | |
1427 | return TRUE; | |
1428 | } | |
1429 | else | |
1430 | { | |
1431 | return (ctbase_almostEqual (ctype_getCtbase (c1), ctype_getCtbase (c2))); | |
1432 | } | |
1433 | } | |
1434 | ||
1435 | bool | |
1436 | ctype_matchDef (ctype c1, ctype c2) | |
1437 | { | |
a0a162cd | 1438 | DPRINTF (("Match def: %s / %s", ctype_unparse (c1), ctype_unparse (c2))); |
1439 | ||
885824d3 | 1440 | if (quickMatch (c1, c2)) |
1441 | return TRUE; | |
1442 | ||
1443 | if (ctype_isElips (c1)) | |
1444 | return (ctype_isElips (c2) || ctype_isUnknown (c2)); | |
1445 | ||
1446 | if (ctype_isElips (c2)) | |
1447 | return (ctype_isUnknown (c2)); | |
1448 | else | |
1449 | { | |
1450 | bool oldrelax = context_getFlag (FLG_RELAXQUALS); | |
1451 | bool res; | |
1452 | ||
1453 | context_setFlagTemp (FLG_RELAXQUALS, FALSE); | |
1454 | res = ctbase_matchDef (ctype_getCtbase (c1), ctype_getCtbase (c2)); | |
1455 | context_setFlagTemp (FLG_RELAXQUALS, oldrelax); | |
1456 | return res; | |
1457 | } | |
1458 | } | |
1459 | ||
1460 | bool ctype_match (ctype c1, ctype c2) | |
1461 | { | |
1462 | if (quickMatch (c1, c2)) | |
1463 | return TRUE; | |
1464 | ||
1465 | if (ctype_isElips (c1)) | |
1466 | return (ctype_isElips (c2) || ctype_isUnknown (c2)); | |
1467 | ||
1468 | if (ctype_isElips (c2)) | |
1469 | return (ctype_isUnknown (c2)); | |
1470 | ||
1471 | return (ctbase_match (ctype_getCtbase (c1), ctype_getCtbase (c2))); | |
1472 | } | |
1473 | ||
1474 | bool | |
1475 | ctype_forceMatch (ctype c1, ctype c2) | |
1476 | { | |
1477 | if (quickMatch (c1, c2)) | |
1478 | return TRUE; | |
1479 | ||
1480 | if (ctype_isElips (c1)) | |
1481 | return (ctype_isElips (c2)); | |
1482 | ||
1483 | if (ctype_isElips (c2)) | |
1484 | return FALSE; | |
1485 | ||
a0a162cd | 1486 | /*@-modobserver@*/ |
1487 | /* The call forceMatch may modify the observer params, but, we don't care. */ | |
885824d3 | 1488 | return (ctbase_forceMatch (ctype_getCtbase (c1), ctype_getCtbase (c2))); |
a0a162cd | 1489 | /*@=modobserver@*/ |
885824d3 | 1490 | } |
1491 | ||
1492 | bool | |
1493 | ctype_matchArg (ctype c1, ctype c2) | |
1494 | { | |
1495 | if (quickMatch (c1, c2)) | |
1496 | { | |
1497 | return TRUE; | |
1498 | } | |
1499 | else | |
1500 | { | |
1501 | return (ctbase_matchArg (ctype_getCtbase (c1), ctype_getCtbase (c2))); | |
1502 | } | |
1503 | } | |
1504 | ||
1505 | /* | |
1506 | ** simple ctype_is operations. | |
1507 | ** DO NOT use real type of c, only direct type. | |
1508 | */ | |
1509 | ||
1510 | /* | |
1511 | ** ctype_isVoidPointer | |
1512 | ** | |
1513 | ** void * | |
1514 | */ | |
1515 | ||
1516 | bool | |
1517 | ctype_isVoidPointer (ctype c) | |
1518 | { | |
1519 | if (ctype_isComplex (c)) | |
1520 | { | |
1521 | return ctbase_isVoidPointer (ctype_getCtbaseSafe (c)); | |
1522 | } | |
1523 | if (ctype_isConj (c)) | |
1524 | { | |
1525 | return (ctype_isVoidPointer (ctype_getConjA (c)) || | |
1526 | ctype_isVoidPointer (ctype_getConjB (c))); | |
1527 | } | |
1528 | else | |
1529 | { | |
1530 | return (c == ctype_voidPointer | |
1531 | || (ctype_isRealPointer (c) | |
1532 | && ctype_isVoid (ctype_baseArrayPtr (c)))); | |
1533 | } | |
1534 | } | |
1535 | ||
1536 | /* | |
1537 | ** ctype_isPointer | |
1538 | ** | |
1539 | ** true for C and LCL pointers | |
1540 | */ | |
1541 | ||
1542 | bool | |
1543 | ctype_isPointer (ctype c) | |
1544 | { | |
1545 | if (ctype_isElips (c)) return FALSE; | |
1546 | ||
1547 | if (ctype_isComplex (c)) | |
1548 | { | |
1549 | ctbase ctb = ctype_getCtbaseSafe (c); | |
1550 | bool res = ctbase_isPointer (ctb); | |
1551 | ||
1552 | return res; | |
1553 | } | |
1554 | else | |
1555 | { | |
1556 | bool res = ctentry_isPointer (ctype_getCtentry (c)); | |
1557 | ||
1558 | return res; | |
1559 | } | |
1560 | } | |
1561 | ||
1562 | /* | |
1563 | ** ctype_isArray | |
1564 | ** | |
1565 | ** true for C and LCL array's | |
1566 | */ | |
1567 | ||
1568 | bool | |
1569 | ctype_isArray (ctype c) | |
1570 | { | |
1571 | if (ctype_isElips (c)) return FALSE; | |
1572 | ||
1573 | if (ctype_isComplex (c)) | |
1574 | return (ctbase_isEitherArray (ctype_getCtbaseSafe (c))); | |
1575 | else | |
1576 | return (ctentry_isArray (ctype_getCtentry (c))); | |
1577 | } | |
1578 | ||
1579 | bool ctype_isIncompleteArray (ctype c) | |
1580 | { | |
1581 | return (ctype_isArray (c) && !ctype_isFixedArray (c)); | |
1582 | } | |
1583 | ||
1584 | bool ctype_isFixedArray (ctype c) | |
1585 | { | |
1586 | if (ctype_isElips (c)) return FALSE; | |
1587 | ||
1588 | return (ctbase_isFixedArray (ctype_getCtbaseSafe (c))); | |
1589 | } | |
1590 | ||
1591 | bool | |
1592 | ctype_isArrayPtr (ctype c) | |
1593 | { | |
1594 | return ((ctype_isArray (c)) || (ctype_isPointer (c))); | |
1595 | } | |
1596 | ||
1597 | typeId | |
1598 | ctype_typeId (ctype c) | |
1599 | { | |
1600 | return (ctbase_typeId (ctype_getCtbase (c))); | |
1601 | } | |
1602 | ||
1603 | cstring | |
1604 | ctype_unparseDeclaration (ctype c, /*@only@*/ cstring name) | |
1605 | { | |
1606 | llassert (!(ctype_isElips (c) || ctype_isMissingParamsMarker (c))); | |
1607 | return (ctbase_unparseDeclaration (ctype_getCtbase (c), name)); | |
1608 | } | |
1609 | ||
1610 | cstring | |
1611 | ctype_unparse (ctype c) | |
1612 | { | |
1613 | if (ctype_isElips (c)) | |
1614 | { | |
1615 | return cstring_makeLiteralTemp ("..."); | |
1616 | } | |
1617 | else if (ctype_isMissingParamsMarker (c)) | |
1618 | { | |
1619 | return cstring_makeLiteralTemp ("-"); | |
1620 | } | |
1621 | else | |
1622 | { | |
1623 | /*@-modobserver@*/ | |
1624 | return (ctentry_doUnparse (ctype_getCtentry (c))); | |
1625 | /*@=modobserver@*/ | |
1626 | } | |
1627 | } | |
1628 | ||
1629 | cstring | |
1630 | ctype_unparseSafe (ctype c) | |
1631 | { | |
1632 | if (ctype_isElips (c)) | |
1633 | { | |
1634 | return cstring_makeLiteralTemp ("..."); | |
1635 | } | |
1636 | else if (ctype_isMissingParamsMarker (c)) | |
1637 | { | |
1638 | return cstring_makeLiteralTemp ("-"); | |
1639 | } | |
1640 | else | |
1641 | { | |
1642 | cstring ret; | |
1643 | ||
1644 | if /*@+enumint@*/ (c >= CTK_PLAIN && c < cttab.size) /*@=enumint@*/ | |
1645 | { | |
1646 | ctentry cte = ctype_getCtentry (c); | |
1647 | ||
1648 | if (cstring_isDefined (cte->unparse)) | |
1649 | { | |
1650 | return (cte->unparse); | |
1651 | } | |
1652 | } | |
1653 | ||
1654 | ret = message ("[%d]", (int) c); | |
1655 | cstring_markOwned (ret); | |
1656 | return ret; | |
1657 | } | |
1658 | } | |
1659 | ||
1660 | cstring | |
1661 | ctype_unparseDeep (ctype c) | |
1662 | { | |
1663 | if (ctype_isElips (c)) | |
1664 | { | |
1665 | return cstring_makeLiteralTemp ("..."); | |
1666 | } | |
1667 | if (ctype_isMissingParamsMarker (c)) | |
1668 | { | |
1669 | return cstring_makeLiteralTemp ("-"); | |
1670 | } | |
1671 | ||
1672 | return (ctentry_doUnparseDeep (ctype_getCtentry (c))); | |
1673 | } | |
1674 | ||
1675 | ctype | |
1676 | ctype_undump (char **c) | |
1677 | { | |
1678 | return ((ctype) getInt (c)); /* check its valid? */ | |
1679 | } | |
1680 | ||
1681 | cstring | |
1682 | ctype_dump (ctype c) | |
1683 | { | |
a0a162cd | 1684 | DPRINTF (("Ctype dump: %s", ctype_unparse (c))); |
1685 | ||
885824d3 | 1686 | if (c < 0) |
1687 | { | |
1688 | /* Handle invalid types in a kludgey way. */ | |
1689 | return (message ("0")); | |
1690 | } | |
1691 | ||
1692 | if (ctype_isUA (c)) | |
1693 | { | |
1694 | cstring tname = usymtab_getTypeEntryName | |
1695 | (usymtab_convertId (ctype_typeId (c))); | |
1696 | ||
1697 | if (cstring_equal (tname, context_getBoolName ())) | |
1698 | { | |
1699 | cstring_free (tname); | |
1700 | return (message ("%d", ctype_bool)); | |
1701 | } | |
1702 | ||
1703 | cstring_free (tname); | |
1704 | } | |
1705 | ||
a0a162cd | 1706 | DPRINTF (("Returning: %d", c)); |
885824d3 | 1707 | return (message ("%d", c)); |
1708 | } | |
1709 | ||
1710 | ctype | |
1711 | ctype_getBaseType (ctype c) | |
1712 | { | |
1713 | ctentry cte = ctype_getCtentry (c); | |
1714 | ||
1715 | switch (ctentry_getKind (cte)) | |
1716 | { | |
1717 | case CTK_UNKNOWN: | |
1718 | llcontbuglit ("ctype_getBaseType: unknown ctype"); break; | |
1719 | case CTK_INVALID: | |
1720 | llcontbuglit ("ctype_getBaseType: invalid ctype"); break; | |
1721 | case CTK_PLAIN: | |
1722 | return c; | |
1723 | case CTK_PTR: | |
1724 | case CTK_ARRAY: | |
1725 | return (ctype_getBaseType (ctype_baseArrayPtr (c))); | |
1726 | case CTK_COMPLEX: | |
1727 | { | |
1728 | ctbase ctb = cte->ctbase; | |
1729 | ||
1730 | if (ctbase_isDefined (ctb)) | |
1731 | { | |
1732 | switch (ctb->type) | |
1733 | { | |
1734 | case CT_UNKNOWN: | |
1735 | case CT_PRIM: | |
1736 | case CT_USER: | |
1737 | case CT_ENUM: | |
1738 | case CT_ENUMLIST: | |
1739 | case CT_BOOL: | |
1740 | case CT_ABST: | |
1741 | case CT_FCN: | |
1742 | case CT_STRUCT: | |
1743 | case CT_UNION: | |
1744 | case CT_EXPFCN: | |
1745 | return c; | |
1746 | case CT_PTR: | |
1747 | case CT_ARRAY: | |
1748 | return (ctype_getBaseType (ctb->contents.base)); | |
1749 | case CT_FIXEDARRAY: | |
1750 | return (ctype_getBaseType (ctb->contents.farray->base)); | |
1751 | case CT_CONJ: /* base type of A conj branch? */ | |
1752 | return (ctype_getBaseType (ctb->contents.conj->a)); | |
1753 | } | |
1754 | } | |
1755 | else | |
1756 | { | |
1757 | return c; | |
1758 | } | |
1759 | } | |
1760 | default: | |
1761 | llbuglit ("ctype_newBase: bad case"); | |
1762 | } | |
1763 | llcontbuglit ("ctype_getBaseType: unreachable code"); | |
1764 | return ((ctype)NULL); | |
1765 | } | |
1766 | ||
1767 | ctype | |
1768 | ctype_adjustPointers (int np, ctype c) | |
1769 | { | |
1770 | ||
1771 | if (ctype_isFunction (c)) | |
1772 | { | |
1773 | c = ctype_makeParamsFunction | |
1774 | (ctype_adjustPointers (np, ctype_returnValue (c)), | |
1775 | uentryList_copy (ctype_argsFunction (c))); | |
1776 | } | |
1777 | else | |
1778 | { | |
1779 | /* fix this should not use getBaseType ??? */ | |
1780 | ctype cb = ctype_getBaseType (c); | |
1781 | ||
1782 | while (np > 0) | |
1783 | { | |
1784 | cb = ctype_makePointer (cb); | |
1785 | np--; | |
1786 | } | |
1787 | c = ctype_newBase (c, cb); | |
1788 | } | |
1789 | ||
1790 | return (c); | |
1791 | } | |
1792 | ||
1793 | ||
1794 | enumNameList | |
1795 | ctype_elist (ctype c) | |
1796 | { | |
1797 | return (ctbase_elist (ctype_getCtbase (c))); | |
1798 | } | |
1799 | ||
1800 | bool | |
1801 | ctype_isFirstVoid (ctype c) | |
1802 | { | |
1803 | return (c == CTX_VOID || (ctype_isConj (c) && ctype_isFirstVoid (ctype_getConjA (c)))); | |
1804 | } | |
1805 | ||
1806 | ctype | |
1807 | ctype_createEnum (/*@keep@*/ cstring tag, /*@keep@*/ enumNameList el) | |
1808 | { | |
1809 | return (cttable_addComplex (ctbase_createEnum (tag, el))); | |
1810 | } | |
1811 | ||
1812 | bool | |
1813 | ctype_isEnum (ctype c) | |
1814 | { | |
1815 | return (ctype_isComplex (c) && ctbase_isEnum (ctype_getCtbase (c))); | |
1816 | } | |
1817 | ||
1818 | cstring | |
1819 | ctype_enumTag (ctype c) | |
1820 | { | |
1821 | llassert (ctype_isEnum (c)); | |
1822 | ||
1823 | return (ctbase_enumTag (ctype_getCtbaseSafe (c))); | |
1824 | } | |
1825 | ||
1826 | bool | |
1827 | ctype_isStruct (ctype c) | |
1828 | { | |
1829 | return (ctype_isComplex (c) && ctbase_isStruct (ctype_getCtbaseSafe (c))); | |
1830 | } | |
1831 | ||
1832 | bool | |
1833 | ctype_isUnion (ctype c) | |
1834 | { | |
1835 | return (ctype_isComplex (c) && ctbase_isUnion (ctype_getCtbaseSafe (c))); | |
1836 | } | |
1837 | ||
1838 | ctype | |
1839 | ctype_resolveNumerics (ctype c1, ctype c2) | |
1840 | { | |
1841 | /* | |
1842 | ** returns longest type of c1 and c2 | |
1843 | */ | |
1844 | ||
1845 | if (c1 == c2) return c1; | |
1846 | ||
1847 | c1 = ctype_realType (c1); | |
1848 | c2 = ctype_realType (c2); | |
1849 | ||
1850 | if (ctype_isEnum (c1)) c1 = ctype_unknown; | |
1851 | if (ctype_isEnum (c2)) c2 = ctype_int; | |
1852 | ||
1853 | if (c1 == ctype_ldouble || c2 == ctype_ldouble) return ctype_ldouble; | |
1854 | if (c1 == ctype_ulint || c2 == ctype_ulint) return ctype_ulint; | |
1855 | if (c1 == ctype_lint || c2 == ctype_lint) return ctype_lint; | |
1856 | if (c1 == ctype_uint || c2 == ctype_uint) return ctype_uint; | |
1857 | if (c1 == ctype_int || c2 == ctype_int) return ctype_int; | |
1858 | if (c1 == ctype_sint || c2 == ctype_sint) return ctype_sint; | |
1859 | if (c1 == ctype_uchar || c2 == ctype_uchar) return ctype_uchar; | |
1860 | if (c1 == ctype_char || c2 == ctype_char) return ctype_char; | |
1861 | ||
1862 | if (ctype_isKnown (c1)) return c1; | |
1863 | else return c2; | |
1864 | } | |
1865 | ||
1866 | bool | |
1867 | ctype_isStructorUnion (ctype c) | |
1868 | { | |
1869 | return (ctype_isStruct (c) || ctype_isUnion (c)); | |
1870 | } | |
1871 | ||
1872 | ctype | |
1873 | ctype_fixArrayPtr (ctype c) | |
1874 | { | |
1875 | if (ctype_isArray (c)) | |
1876 | { | |
1877 | return (ctype_makePointer (ctype_baseArrayPtr (c))); | |
1878 | } | |
1879 | else | |
1880 | return c; | |
1881 | } | |
1882 | ||
1883 | /* | |
1884 | ** createUnnamedStruct/Union | |
1885 | ** | |
1886 | ** check if it corresponds to an existing LCL-specified unnamed struct | |
1887 | ** otherwise, give it a new tag | |
1888 | */ | |
1889 | ||
1890 | ctype | |
1891 | ctype_createUnnamedStruct (/*@only@*/ uentryList f) | |
1892 | { | |
1893 | ctype ret = usymtab_structFieldsType (f); | |
1894 | ||
1895 | if (ctype_isDefined (ret)) | |
1896 | { | |
1897 | uentryList_free (f); | |
1898 | return ret; | |
1899 | } | |
1900 | else | |
1901 | { | |
1902 | cstring ft = fakeTag (); | |
1903 | ctype ct = ctype_createStruct (cstring_copy (ft), f); | |
1904 | uentry ue = uentry_makeStructTagLoc (ft, ct); | |
1905 | ||
1906 | usymtab_supGlobalEntry (ue); | |
1907 | ||
1908 | cstring_free (ft); | |
1909 | return (ct); | |
1910 | } | |
1911 | } | |
1912 | ||
1913 | ctype | |
1914 | ctype_createUnnamedUnion (/*@only@*/ uentryList f) | |
1915 | { | |
1916 | ctype ret = usymtab_unionFieldsType (f); | |
1917 | ||
1918 | if (ctype_isDefined (ret)) | |
1919 | { | |
1920 | uentryList_free (f); | |
1921 | return ret; | |
1922 | } | |
1923 | else | |
1924 | { | |
1925 | cstring ft = fakeTag (); | |
1926 | ctype ct = ctype_createUnion (cstring_copy (ft), f); | |
1927 | uentry ue = uentry_makeUnionTagLoc (ft, ct); | |
1928 | ||
1929 | usymtab_supGlobalEntry (ue); | |
1930 | cstring_free (ft); | |
1931 | return (ct); | |
1932 | } | |
1933 | } | |
1934 | ||
1935 | ctype | |
1936 | ctype_createForwardStruct (cstring n) | |
1937 | { | |
1938 | uentry ue = uentry_makeStructTag (n, ctype_unknown, fileloc_undefined); | |
1939 | ctype ct = usymtab_supForwardTypeEntry (ue); | |
1940 | ||
1941 | cstring_free (n); | |
1942 | return (ct); | |
1943 | } | |
1944 | ||
1945 | ctype | |
1946 | ctype_createForwardUnion (cstring n) | |
1947 | { | |
1948 | uentry ue = uentry_makeUnionTag (n, ctype_unknown, fileloc_undefined); | |
1949 | ctype ct = usymtab_supForwardTypeEntry (ue); | |
1950 | ||
1951 | cstring_free (n); | |
1952 | return (ct); | |
1953 | } | |
1954 | ||
1955 | ctype | |
1956 | ctype_removePointers (ctype c) | |
1957 | { | |
1958 | ctype oldc; | |
1959 | ||
1960 | while (ctype_isArrayPtr (c)) | |
1961 | { | |
1962 | oldc = c; | |
1963 | c = ctype_baseArrayPtr (c); | |
1964 | llassert (c != oldc); | |
1965 | } | |
1966 | ||
1967 | return (c); | |
1968 | } | |
1969 | ||
1970 | bool ctype_isMutable (ctype t) | |
1971 | { | |
1972 | if (ctype_isUA (t)) | |
1973 | { | |
1974 | return (uentry_isMutableDatatype | |
1975 | (usymtab_getTypeEntry (ctype_typeId (t)))); | |
1976 | } | |
1977 | else | |
1978 | { | |
1979 | return (ctype_isPointer (ctype_realType (t))); | |
1980 | } | |
1981 | } | |
1982 | ||
1983 | bool ctype_isRefCounted (ctype t) | |
1984 | { | |
1985 | if (ctype_isUA (t)) | |
1986 | { | |
1987 | return (uentry_isRefCountedDatatype | |
1988 | (usymtab_getTypeEntry (ctype_typeId (t)))); | |
1989 | } | |
1990 | ||
1991 | return FALSE; | |
1992 | } | |
1993 | ||
1994 | bool ctype_isVisiblySharable (ctype t) | |
1995 | { | |
1996 | if (ctype_isUnknown (t)) return TRUE; | |
1997 | ||
1998 | if (ctype_isConj (t)) | |
1999 | { | |
2000 | return (ctype_isVisiblySharable (ctype_getConjA (t)) | |
2001 | || ctype_isVisiblySharable (ctype_getConjB (t))); | |
2002 | } | |
2003 | ||
2004 | if (ctype_isMutable (t)) | |
2005 | { | |
2006 | if (ctype_isUA (t)) | |
2007 | { | |
2008 | ctype rt = ctype_realType (t); | |
2009 | ||
2010 | if (rt == t) | |
2011 | { | |
2012 | return TRUE; | |
2013 | } | |
2014 | else | |
2015 | { | |
2016 | return ctype_isVisiblySharable (rt); | |
2017 | } | |
2018 | } | |
2019 | else | |
2020 | { | |
2021 | return TRUE; | |
2022 | } | |
2023 | } | |
2024 | ||
2025 | return FALSE; | |
2026 | } | |
2027 | ||
2028 | # if 0 | |
2029 | /* Replaced by ctype_isMutable (more sensible) */ | |
2030 | bool ctype_canAlias (ctype ct) | |
2031 | { | |
2032 | /* can ct refer to memory locations? | |
2033 | ** ==> a pointer or a mutable abstract type | |
2034 | ** arrays? | |
2035 | */ | |
2036 | ||
2037 | ctype tr = ctype_realType (ct); | |
2038 | ||
2039 | return (ctype_isPointer (tr) || ctype_isMutable (ct) || ctype_isStructorUnion (tr)); | |
2040 | } | |
2041 | # endif | |
2042 | ||
2043 | /* | |
2044 | ** c1 is the dominant type; c2 is the modifier type | |
2045 | ** | |
2046 | ** eg. double + long int => long double | |
2047 | */ | |
2048 | ||
2049 | ctype ctype_combine (ctype dominant, ctype modifier) | |
2050 | { | |
2051 | DPRINTF (("Combine: %s + %s", | |
2052 | ctype_unparse (dominant), | |
2053 | ctype_unparse (modifier))); | |
2054 | ||
2055 | if (ctype_isConj (dominant)) | |
2056 | { | |
2057 | ctype res; | |
2058 | ||
2059 | if (ctype_isExplicitConj (dominant)) | |
2060 | { | |
2061 | res = ctype_makeExplicitConj (ctype_combine (ctype_getConjA (dominant), | |
2062 | modifier), | |
2063 | ctype_getConjB (dominant)); | |
2064 | } | |
2065 | else | |
2066 | { | |
2067 | res = ctype_makeConj (ctype_combine (ctype_getConjA (dominant), | |
2068 | modifier), | |
2069 | ctype_getConjB (dominant)); | |
2070 | } | |
2071 | ||
2072 | return res; | |
2073 | } | |
2074 | ||
2075 | if (ctype_isUnknown (modifier)) | |
2076 | { | |
2077 | return dominant; | |
2078 | } | |
2079 | else if (ctype_isUnknown (dominant)) | |
2080 | { | |
2081 | return modifier; | |
2082 | } | |
2083 | else | |
2084 | { | |
2085 | if (ctype_isEnum (dominant)) dominant = ctype_int; | |
2086 | if (ctype_isEnum (modifier)) modifier = ctype_int; | |
2087 | ||
2088 | if (modifier == ctype_uint) | |
2089 | { | |
2090 | if (dominant == ctype_int) return ctype_uint; | |
2091 | if (dominant == ctype_lint) return ctype_ulint; | |
2092 | if (dominant == ctype_sint) return ctype_usint; | |
2093 | if (dominant == ctype_char) return ctype_uchar; | |
a0a162cd | 2094 | |
2095 | /* evs 2000-07-28: added this line */ | |
2096 | if (dominant == ctype_llint) return ctype_ullint; | |
2097 | ||
885824d3 | 2098 | if ((dominant == ctype_uint) || dominant == ctype_uchar) |
2099 | { | |
2100 | voptgenerror (FLG_DUPLICATEQUALS, | |
2101 | message ("Duplicate unsigned qualifier"), | |
2102 | g_currentloc); | |
2103 | ||
2104 | return ctype_uint; | |
2105 | } | |
2106 | else | |
2107 | { | |
2108 | voptgenerror (FLG_DUPLICATEQUALS, | |
2109 | message ("Type qualifier unsigned used with %s", | |
2110 | ctype_unparse (dominant)), | |
2111 | g_currentloc); | |
2112 | ||
2113 | return dominant; | |
2114 | } | |
2115 | } | |
2116 | else if (modifier == ctype_llint) | |
2117 | { | |
2118 | if (dominant == ctype_int) | |
2119 | { | |
2120 | return ctype_llint; | |
2121 | } | |
2122 | ||
2123 | voptgenerror (FLG_DUPLICATEQUALS, | |
2124 | message ("Duplicate long qualifier on non-int"), | |
2125 | g_currentloc); | |
2126 | } | |
2127 | else if (modifier == ctype_lint) | |
2128 | { | |
2129 | if (dominant == ctype_int) return ctype_lint; | |
2130 | if (dominant == ctype_uint) return ctype_ulint; | |
2131 | if (dominant == ctype_double) return ctype_ldouble; | |
2132 | ||
2133 | if (dominant == ctype_lint || dominant == ctype_ulint | |
2134 | || dominant == ctype_sint || dominant == ctype_usint | |
2135 | || dominant == ctype_ldouble) | |
2136 | { | |
2137 | if (dominant == ctype_lint) | |
2138 | { | |
2139 | /* long long not supported by ANSI */ | |
2140 | return ctype_llint; | |
2141 | } | |
2142 | ||
2143 | if (dominant == ctype_sint || dominant == ctype_usint) | |
2144 | { | |
2145 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2146 | { | |
2147 | llerrorlit (FLG_SYNTAX, | |
2148 | "Contradictory long and short type qualifiers"); | |
2149 | } | |
2150 | } | |
2151 | else | |
2152 | { | |
2153 | voptgenerror (FLG_DUPLICATEQUALS, | |
2154 | message ("Duplicate long qualifier"), | |
2155 | g_currentloc); | |
2156 | } | |
2157 | ||
2158 | return ctype_lint; | |
2159 | } | |
2160 | } | |
2161 | else if (modifier == ctype_sint) | |
2162 | { | |
2163 | if (dominant == ctype_int) return ctype_sint; | |
2164 | if (dominant == ctype_uint) return ctype_usint; | |
2165 | ||
2166 | if (dominant == ctype_sint || dominant == ctype_usint) | |
2167 | { | |
2168 | voptgenerror (FLG_DUPLICATEQUALS, | |
2169 | message ("Duplicate short qualifier"), | |
2170 | g_currentloc); | |
2171 | return ctype_uint; | |
2172 | } | |
2173 | else if (dominant == ctype_lint) | |
2174 | { | |
2175 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2176 | { | |
2177 | llerrorlit (FLG_SYNTAX, | |
2178 | "Contradictory long and short type qualifiers"); | |
2179 | } | |
2180 | ||
2181 | return dominant; | |
2182 | } | |
2183 | else | |
2184 | { | |
2185 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2186 | { | |
2187 | llerror (FLG_SYNTAX, | |
2188 | message ("Type qualifier short used with %s", | |
2189 | ctype_unparse (dominant))); | |
2190 | } | |
2191 | ||
2192 | return dominant; | |
2193 | } | |
2194 | } | |
2195 | else if (modifier == ctype_ulint) | |
2196 | { | |
2197 | if (dominant == ctype_int) return modifier; | |
2198 | ||
2199 | if (dominant == ctype_lint || dominant == ctype_ulint) | |
2200 | { | |
2201 | voptgenerror (FLG_DUPLICATEQUALS, | |
2202 | message ("Duplicate long qualifier"), | |
2203 | g_currentloc); | |
2204 | ||
2205 | return modifier; | |
2206 | } | |
2207 | ||
2208 | if (dominant == ctype_uint || dominant == ctype_usint) | |
2209 | { | |
2210 | voptgenerror (FLG_DUPLICATEQUALS, | |
2211 | message ("Duplicate unsigned qualifier"), | |
2212 | g_currentloc); | |
2213 | ||
2214 | return modifier; | |
2215 | } | |
2216 | ||
2217 | if (dominant == ctype_sint || dominant == ctype_usint) | |
2218 | { | |
2219 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2220 | { | |
2221 | llerrorlit (FLG_SYNTAX, | |
2222 | "Contradictory long and short type qualifiers"); | |
2223 | } | |
2224 | ||
2225 | return dominant; | |
2226 | } | |
2227 | ||
2228 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2229 | { | |
2230 | llerror (FLG_SYNTAX, | |
2231 | message ("Type qualifiers unsigned long used with %s", | |
2232 | ctype_unparse (dominant))); | |
2233 | } | |
2234 | ||
2235 | return dominant; | |
2236 | } | |
2237 | else if (modifier == ctype_usint) | |
2238 | { | |
2239 | if (dominant == ctype_int) return modifier; | |
2240 | ||
2241 | if (dominant == ctype_sint || dominant == ctype_usint) | |
2242 | { | |
2243 | voptgenerror (FLG_DUPLICATEQUALS, | |
2244 | message ("Duplicate short qualifier"), | |
2245 | g_currentloc); | |
2246 | return modifier; | |
2247 | } | |
2248 | ||
2249 | if (dominant == ctype_uint) | |
2250 | { | |
2251 | voptgenerror (FLG_DUPLICATEQUALS, | |
2252 | message ("Duplicate unsigned qualifier"), | |
2253 | g_currentloc); | |
2254 | ||
2255 | return modifier; | |
2256 | } | |
2257 | ||
2258 | if (dominant == ctype_lint || dominant == ctype_ulint | |
2259 | || dominant == ctype_llint) | |
2260 | { | |
2261 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2262 | { | |
2263 | llerrorlit (FLG_SYNTAX, | |
2264 | "Contradictory long and short type qualifiers"); | |
2265 | } | |
2266 | ||
2267 | return dominant; | |
2268 | } | |
2269 | ||
2270 | if (!context_getFlag (FLG_IGNOREQUALS)) | |
2271 | { | |
2272 | llerror (FLG_SYNTAX, | |
2273 | message ("Type qualifiers unsigned short used with %s", | |
2274 | ctype_unparse (dominant))); | |
2275 | } | |
2276 | ||
2277 | return dominant; | |
2278 | } | |
2279 | else | |
2280 | { | |
2281 | ; | |
2282 | } | |
2283 | ||
2284 | return dominant; | |
2285 | } | |
2286 | } | |
2287 | ||
2288 | ctype ctype_resolve (ctype c) | |
2289 | { | |
2290 | if (ctype_isUnknown (c)) return ctype_int; | |
2291 | return c; | |
2292 | } | |
2293 | ||
2294 | ctype ctype_fromQual (qual q) | |
2295 | { | |
2296 | if (qual_isSigned (q)) return ctype_int; | |
2297 | if (qual_isUnsigned (q)) return ctype_uint; | |
2298 | if (qual_isLong (q)) return ctype_lint; | |
2299 | if (qual_isShort (q)) return ctype_sint; | |
2300 | ||
2301 | llcontbug (message ("ctype_fromQual: invalid qualifier: %s", qual_unparse (q))); | |
2302 | return ctype_unknown; | |
2303 | } | |
2304 | ||
2305 | bool | |
2306 | ctype_isAnyFloat (ctype c) | |
2307 | { | |
2308 | return (cprim_isAnyReal (ctype_toCprim (c))); | |
2309 | } | |
2310 | ||
2311 | bool | |
2312 | ctype_isUnsigned (ctype c) | |
2313 | { | |
2314 | if (ctype_isConj (c)) | |
2315 | return (ctype_isUnsigned (ctype_getConjA (c)) || | |
2316 | ctype_isUnsigned (ctype_getConjB (c))); | |
2317 | ||
2318 | return (c == ctype_uint || c == ctype_uchar | |
2319 | || c == ctype_usint || c == ctype_ulint | |
2320 | || c == ctype_unsignedintegral); | |
2321 | } | |
2322 | ||
2323 | static bool | |
2324 | ctype_isLong (ctype c) | |
2325 | { | |
2326 | if (ctype_isConj (c)) | |
2327 | return (ctype_isLong (ctype_getConjA (c)) || | |
2328 | ctype_isLong (ctype_getConjB (c))); | |
2329 | ||
2330 | return (c == ctype_lint || c == ctype_ulint); | |
2331 | } | |
2332 | ||
2333 | static bool | |
2334 | ctype_isShort (ctype c) | |
2335 | { | |
2336 | if (ctype_isConj (c)) | |
2337 | return (ctype_isShort (ctype_getConjA (c)) || | |
2338 | ctype_isShort (ctype_getConjB (c))); | |
2339 | ||
2340 | return (c == ctype_sint || c == ctype_usint); | |
2341 | } | |
2342 | ||
2343 | bool | |
2344 | ctype_isStackAllocated (ctype c) | |
2345 | { | |
2346 | ctype ct = ctype_realType (c); | |
2347 | ||
2348 | if (ctype_isConj (ct)) | |
2349 | return (ctype_isStackAllocated (ctype_getConjA (ct)) || | |
2350 | ctype_isStackAllocated (ctype_getConjB (ct))); | |
2351 | ||
2352 | return (ctype_isArray (c) || ctype_isSU (c)); | |
2353 | } | |
2354 | ||
2355 | static bool ctype_isMoreUnsigned (ctype c1, ctype c2) | |
2356 | { | |
2357 | return (ctype_isUnsigned (c1) && !ctype_isUnsigned (c2)); | |
2358 | } | |
2359 | ||
2360 | static bool ctype_isLonger (ctype c1, ctype c2) | |
2361 | { | |
2362 | return ((ctype_isDouble (c1) && !ctype_isDouble (c2)) | |
2363 | || (ctype_isLong (c1) && !ctype_isLong (c2)) | |
2364 | || (ctype_isShort (c2) && !ctype_isShort (c1))); | |
2365 | } | |
2366 | ||
2367 | ctype | |
2368 | ctype_widest (ctype c1, ctype c2) | |
2369 | { | |
2370 | if (ctype_isMoreUnsigned (c2, c1) | |
2371 | || ctype_isLonger (c2, c1)) | |
2372 | { | |
2373 | return c2; | |
2374 | } | |
2375 | else | |
2376 | { | |
2377 | return c1; | |
2378 | } | |
2379 | } | |
34f0c5e7 | 2380 | |
2381 | /*drl 11/28/2000 */ | |
2382 | /* requires that the type is an fixed array */ | |
2383 | /* return the size of the array */ | |
2384 | ||
f5ac53de | 2385 | long int ctype_getArraySize (ctype c) |
34f0c5e7 | 2386 | { |
2387 | ctentry cte = ctype_getCtentry (c); | |
2388 | ctbase ctb; | |
2389 | llassert ( (ctentry_getKind (cte) == CTK_COMPLEX) || (ctentry_getKind(cte) == CTK_ARRAY) ); | |
2390 | ||
2391 | ctb = cte->ctbase; | |
2392 | ||
2393 | llassert (ctbase_isDefined (ctb) ); | |
2394 | ||
2395 | llassert (ctb->type == CT_FIXEDARRAY); | |
2396 | ||
2397 | return (ctb->contents.farray->size); | |
2398 | } |