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616915dd | 1 | /* |
2 | ** LCLint - annotation-assisted static program checker | |
28bf4b0b | 3 | ** Copyright (C) 1994-2001 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 | ** | |
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 | ** uentry.c | |
26 | */ | |
27 | ||
28 | # include "lclintMacros.nf" | |
29 | # include "basic.h" | |
30 | # include "structNames.h" | |
31 | # include "nameChecks.h" | |
32 | ||
616915dd | 33 | static /*@dependent@*/ uentry posRedeclared = uentry_undefined; |
34 | static /*@only@*/ fileloc posLoc = fileloc_undefined; | |
35 | static int nuentries = 0; | |
36 | static int totuentries = 0; | |
37 | ||
38 | static void checkGlobalsModifies (/*@notnull@*/ uentry p_ue, sRefSet p_sr) ; | |
39 | static void uentry_setDeclDef (uentry p_e, fileloc p_f) /*@modifies p_e@*/ ; | |
40 | static bool uentry_isRefCounted (uentry p_ue) /*@*/ ; | |
41 | static bool uentry_isRefsField (uentry p_ue) /*@*/ ; | |
42 | static bool uentry_isReallySpecified (uentry p_e) /*@*/ ; | |
43 | static void uentry_checkIterArgs (uentry p_ue); | |
44 | static cstring uentry_dumpAux (uentry p_v, bool p_isParam); | |
45 | ||
28bf4b0b | 46 | static void uentry_combineModifies (uentry p_ue, /*@owned@*/ sRefSet p_sr) |
47 | /*@modifies p_ue@*/ ; | |
48 | ||
49 | static void uentry_addStateClause (uentry p_ue, /*@only@*/ stateClause p_sc) | |
50 | /*@modifies p_ue@*/ ; | |
51 | ||
616915dd | 52 | /*@access ekind@*/ |
53 | static void checkAliasState (/*@notnull@*/ uentry p_old, | |
54 | /*@notnull@*/ uentry p_unew, | |
55 | bool p_mustConform, bool p_completeConform) | |
56 | /*@modifies p_old, p_unew@*/ ; | |
57 | static void checkNullState (/*@notnull@*/ uentry p_old, | |
58 | /*@notnull@*/ uentry p_unew, | |
59 | bool p_mustConform, bool p_completeConform) | |
60 | /*@modifies p_old, p_unew@*/ ; | |
61 | ||
62 | static void checkVarConformance (/*@notnull@*/ uentry p_old, | |
63 | /*@notnull@*/ uentry p_unew, | |
64 | bool p_mustConform, bool p_completeConform) | |
65 | /*@modifies p_old, p_unew@*/; | |
66 | ||
67 | # ifndef NOLCL | |
68 | static void uentry_setHasMods (uentry p_ue) /*@modifies p_ue@*/; | |
69 | static void uentry_setHasGlobs (uentry p_ue) /*@modifies p_ue@*/; | |
70 | # endif | |
71 | ||
72 | static void uentry_reallyFree (/*@notnull@*/ /*@only@*/ uentry p_e); | |
73 | ||
74 | static void uentry_setSpecDef (/*@special@*/ uentry p_e, /*@keep@*/ fileloc p_f) | |
75 | /*@defines p_e->whereSpecified, p_e->whereDeclared, p_e->whereDefined@*/ | |
76 | /*@modifies p_e@*/; | |
77 | ||
78 | static void returnValueError (/*@notnull@*/ uentry p_old, /*@notnull@*/ uentry p_unew); | |
79 | static void nargsError (/*@notnull@*/ uentry p_old, /*@notnull@*/ uentry p_unew); | |
80 | static /*@observer@*/ cstring paramStorageName (uentry p_ue) /*@*/ ; | |
81 | static /*@observer@*/ cstring fcnErrName (uentry p_ue) /*@*/ ; | |
82 | static /*@observer@*/ cstring checkedName (chkind p_checked) /*@*/ ; | |
83 | static void | |
84 | paramTypeError (/*@notnull@*/ uentry p_old, /*@notnull@*/ uentry p_oldCurrent, | |
85 | ctype p_oldType, /*@notnull@*/ uentry p_unew, | |
86 | /*@notnull@*/ uentry p_newCurrent, | |
87 | ctype p_newType, int p_paramno) /*@modifies g_msgstream@*/ ; | |
88 | ||
89 | static /*@only@*/ /*@notnull@*/ uentry | |
90 | uentry_makeVariableAux (cstring p_n, ctype p_t, /*@keep@*/ fileloc p_f, | |
91 | /*@exposed@*/ sRef p_s, bool p_priv, vkind p_kind); | |
92 | ||
93 | static /*@out@*/ /*@notnull@*/ uentry uentry_alloc (void) /*@*/ | |
94 | { | |
95 | uentry ue = (uentry) dmalloc (sizeof (*ue)); | |
28bf4b0b | 96 | ue->warn = warnClause_undefined; /*@i32@*/ |
616915dd | 97 | nuentries++; |
98 | totuentries++; | |
99 | ||
100 | return ue; | |
101 | } | |
102 | ||
103 | static cstring uentry_getOptName (uentry p_e) /*@*/ ; | |
104 | static void uentry_copyInto (/*@out@*/ /*@unique@*/ uentry p_unew, uentry p_old); | |
105 | static void uentry_setNullState (/*@notnull@*/ uentry p_ue, nstate p_ns); | |
106 | static void uentry_setAliasKind (/*@notnull@*/ uentry p_ue, alkind p_ak); | |
107 | static /*@only@*/ /*@null@*/ uinfo uinfo_copy (uinfo p_u, ekind p_kind); | |
108 | static void uinfo_free (/*@only@*/ uinfo p_u, ekind p_kind); | |
109 | static void uvinfo_free (/*@only@*/ uvinfo p_u); | |
110 | ||
111 | # ifdef DOANNOTS | |
112 | ||
113 | static /*@only@*/ cstring ancontext_unparse (ancontext an) | |
114 | { | |
115 | switch (an) | |
116 | { | |
117 | case AN_UNKNOWN: return cstring_makeLiteral ("unknown"); | |
118 | case AN_FCNRETURN: return cstring_makeLiteral ("return value"); | |
119 | case AN_FCNPARAM: return cstring_makeLiteral ("function param"); | |
120 | case AN_SUFIELD: return cstring_makeLiteral ("su field"); | |
121 | case AN_TDEFN: return cstring_makeLiteral ("type definition"); | |
122 | case AN_GSVAR: return cstring_makeLiteral ("global/static var"); | |
123 | case AN_CONST: return cstring_makeLiteral ("constant"); | |
124 | BADDEFAULT; | |
125 | } | |
126 | BADEXIT; | |
127 | } | |
128 | ||
129 | static int annots[AN_LAST][QU_LAST]; | |
130 | static int decls[AN_LAST]; | |
131 | static int shdecls[AN_LAST]; | |
132 | static int idecls[AN_LAST]; | |
133 | ||
134 | void initAnnots () | |
135 | { | |
136 | int i, j; | |
137 | ||
138 | for (i = AN_UNKNOWN; i < AN_LAST; i++) | |
139 | { | |
140 | decls[i] = 0; | |
141 | shdecls[i] = 0; | |
142 | idecls[i] = 0; | |
143 | ||
144 | for (j = QU_UNKNOWN; j < QU_LAST; j++) | |
145 | { | |
146 | annots[i][j] = 0; | |
147 | } | |
148 | } | |
149 | } | |
150 | ||
151 | static void tallyAnnot (ancontext ac, qual q) | |
152 | { | |
153 | (annots[ac][q])++; | |
154 | } | |
155 | ||
156 | void printAnnots () | |
157 | { | |
158 | int total[QU_LAST]; | |
159 | int alltotals = 0; | |
160 | int totdecls = 0; | |
161 | int totshdecls = 0; | |
162 | int totidecls = 0; | |
163 | int i, j; | |
164 | ||
165 | for (j = QU_UNKNOWN; j < QU_LAST; j++) | |
166 | { | |
167 | total[j] = 0; | |
168 | } | |
169 | ||
170 | for (i = AN_UNKNOWN; i < AN_LAST; i++) | |
171 | { | |
172 | int tmptot; | |
173 | ||
174 | if (decls[i] > 0) | |
175 | { | |
176 | printf ("Context: %s (%d declarations, %d sharable, %d indirect)\n", | |
177 | ancontext_unparse (i), | |
178 | decls[i], shdecls[i], idecls[i]); | |
179 | ||
180 | totdecls += decls[i]; | |
181 | totshdecls += shdecls[i]; | |
182 | totidecls += idecls[i]; | |
183 | ||
184 | for (j = QU_UNKNOWN; j < QU_LAST; j++) | |
185 | { | |
186 | total[j] += annots[i][j]; | |
187 | alltotals += annots[i][j]; | |
188 | } | |
189 | ||
190 | printf (" Allocation:\n"); | |
191 | ||
192 | tmptot = 0; | |
193 | ||
194 | for (j = QU_UNKNOWN; j < QU_LAST; j++) | |
195 | { | |
196 | if (qual_isAliasQual (j) && !qual_isUnique (j)) | |
197 | { | |
198 | if (annots[i][j] > 0) | |
199 | { | |
200 | printf ("\t%10s: %5d (%3.2f%%)\n", qual_unparse (j), annots[i][j], | |
201 | 100.0 * (double)annots[i][j] / (double)decls[i]); | |
202 | tmptot += annots[i][j]; | |
203 | } | |
204 | } | |
205 | } | |
206 | ||
207 | printf (" Exposure:\n"); | |
208 | ||
209 | tmptot = 0; | |
210 | ||
211 | for (j = QU_UNKNOWN; j < QU_LAST; j++) | |
212 | { | |
213 | if (qual_isExQual (j)) | |
214 | { | |
215 | if (annots[i][j] > 0) | |
216 | { | |
217 | printf ("\t%10s: %5d (%3.2f%%)\n", qual_unparse (j), annots[i][j], | |
218 | 100.0 * (double)annots[i][j] / (double)decls[i]); | |
219 | tmptot += annots[i][j]; | |
220 | } | |
221 | } | |
222 | } | |
223 | ||
224 | printf (" Definition:\n"); | |
225 | ||
226 | for (j = QU_UNKNOWN; j < QU_LAST; j++) | |
227 | { | |
228 | if (qual_isAllocQual (j)) | |
229 | { | |
230 | if (annots[i][j] > 0) | |
231 | { | |
232 | printf ("\t%10s: %5d (%3.2f%%)\n", qual_unparse (j), annots[i][j], | |
233 | 100.0 * (double)annots[i][j] / (double)decls[i]); | |
234 | } | |
235 | } | |
236 | } | |
237 | ||
238 | printf (" Null:\n"); | |
239 | ||
240 | for (j = QU_UNKNOWN; j < QU_LAST; j++) | |
241 | { | |
242 | if (qual_isNull (j) || qual_isNotNull (j) || qual_isRelNull (j)) | |
243 | { | |
244 | if (annots[i][j] > 0) | |
245 | { | |
246 | printf ("\t%10s: %5d (%3.2f%%)\n", qual_unparse (j), annots[i][j], | |
247 | 100.0 * (double)annots[i][j] / (double)decls[i]); | |
248 | } | |
249 | } | |
250 | } | |
251 | ||
252 | printf ("\n"); | |
253 | } | |
254 | } | |
255 | ||
256 | for (j = QU_UNKNOWN; j < QU_LAST; j++) | |
257 | { | |
258 | bool hasone = FALSE; | |
259 | ||
260 | for (i = AN_UNKNOWN; i < AN_LAST; i++) | |
261 | { | |
262 | if (annots[i][j] > 0) | |
263 | { | |
264 | hasone = TRUE; | |
265 | break; | |
266 | } | |
267 | } | |
268 | ||
269 | if (hasone) | |
270 | { | |
271 | printf ("Annotation: %s\n", qual_unparse (j)); | |
272 | ||
273 | for (i = AN_UNKNOWN; i < AN_LAST; i++) | |
274 | { | |
275 | if (annots[i][j] > 0) | |
276 | { | |
277 | printf ("%25s: %5d\n", ancontext_unparse (i), annots[i][j]); | |
278 | } | |
279 | } | |
280 | printf ("\n"); | |
281 | } | |
282 | } | |
283 | ||
284 | printf ("All Contexts\n"); | |
285 | ||
286 | for (j = QU_UNKNOWN; j < QU_LAST; j++) | |
287 | { | |
288 | if (total[j] > 0) | |
289 | { | |
290 | printf ("%10s: %5d (%3.2f%%)\n", qual_unparse (j), total[j], | |
291 | 100.0 * (double)total[j] / (double)(totdecls)); | |
292 | } | |
293 | } | |
294 | printf ("\n"); | |
295 | ||
4ab867d6 | 296 | printf ("Total Annotations: %d (%d decls, %d sharable, %d indirect)\n", alltotals, totdecls, totshdecls, totidecls); } |
616915dd | 297 | |
298 | extern void uentry_tallyAnnots (uentry u, ancontext kind) | |
299 | { | |
300 | alkind ak = sRef_getAliasKind (u->sref); | |
301 | exkind ek = sRef_getExKind (u->sref); | |
302 | nstate ns = sRef_getNullState (u->sref); | |
303 | sstate ss = sRef_getDefState (u->sref); | |
304 | bool recordUnknown = FALSE; | |
616915dd | 305 | |
306 | if (kind == AN_UNKNOWN) | |
307 | { | |
308 | ekind e = u->ukind; | |
309 | ||
310 | if (e == KENDITER) | |
311 | { | |
312 | return; | |
313 | } | |
314 | else if (e == KCONST || e == KENUMCONST) | |
315 | { | |
316 | kind = AN_CONST; | |
317 | } | |
318 | else if (e == KFCN || e == KITER) | |
319 | { | |
320 | uentryList params = uentry_getParams (u); | |
321 | bool hasRet = FALSE; | |
322 | ||
323 | uentryList_elements (params, current) | |
324 | { | |
325 | if (uentry_isReturned (current)) | |
326 | { | |
327 | hasRet = TRUE; | |
328 | } | |
329 | if (!uentry_isElipsisMarker (current)) | |
330 | { | |
331 | uentry_tallyAnnots (current, AN_FCNPARAM); | |
332 | } | |
333 | } end_uentryList_elements; | |
334 | ||
335 | kind = AN_FCNRETURN; | |
336 | ||
337 | if (ctype_isFunction (u->utype) | |
338 | && !hasRet | |
28bf4b0b | 339 | && ctype_isVisiblySharable (ctype_realType (ctype_getReturnType (u->utype)))) |
616915dd | 340 | { |
341 | recordUnknown = TRUE; | |
342 | } | |
343 | } | |
344 | else if (e == KDATATYPE || e == KSTRUCTTAG || e == KUNIONTAG || e == KENUMTAG) | |
345 | { | |
346 | ctype t = ctype_realType (u->utype); | |
347 | ||
348 | if (ctype_isSU (t)) | |
349 | { | |
350 | uentryList fields = ctype_getFields (t); | |
351 | ||
352 | uentryList_elements (fields, current) | |
353 | { | |
354 | uentry_tallyAnnots (current, AN_SUFIELD); | |
355 | } | |
356 | } end_uentryList_elements; | |
357 | ||
358 | kind = AN_TDEFN; | |
359 | ||
360 | if (ctype_isVisiblySharable (u->utype)) | |
361 | { | |
362 | recordUnknown = TRUE; | |
363 | } | |
364 | } | |
365 | else | |
366 | { | |
367 | kind = AN_GSVAR; | |
368 | ||
369 | ||
370 | if (ctype_isVisiblySharable (ctype_realType (u->utype))) | |
371 | { | |
372 | recordUnknown = TRUE; | |
373 | } | |
374 | } | |
375 | } | |
376 | ||
377 | decls[kind]++; | |
378 | ||
379 | if (kind == AN_FCNRETURN) | |
380 | { | |
381 | if (recordUnknown) | |
382 | { | |
383 | shdecls[kind]++; | |
384 | idecls[kind]++; | |
385 | } | |
386 | else | |
387 | { | |
388 | ; | |
389 | } | |
390 | } | |
391 | else | |
392 | { | |
393 | if (ctype_isVisiblySharable (ctype_realType (u->utype))) | |
394 | { | |
395 | shdecls[kind]++; | |
396 | } | |
397 | ||
398 | if (ctype_isRealPointer (ctype_realType (u->utype))) | |
399 | { | |
400 | idecls[kind]++; | |
401 | } | |
402 | } | |
403 | ||
616915dd | 404 | switch (ss) |
405 | { | |
406 | case SS_ALLOCATED: tallyAnnot (kind, QU_OUT); break; | |
407 | case SS_PARTIAL: tallyAnnot (kind, QU_PARTIAL); break; | |
408 | case SS_RELDEF: tallyAnnot (kind, QU_RELDEF); break; | |
409 | case SS_SPECIAL: tallyAnnot (kind, QU_SPECIAL); break; | |
410 | default: break; | |
411 | } | |
412 | ||
413 | if (uentry_isReturned (u)) | |
414 | { | |
415 | tallyAnnot (kind, QU_RETURNED); | |
416 | } | |
417 | ||
418 | switch (ak) | |
419 | { | |
420 | case AK_UNKNOWN: | |
421 | if (ctype_isRefCounted (ctype_realType (u->utype)) | |
422 | || (ctype_isFunction (u->utype) && | |
28bf4b0b | 423 | ctype_isRefCounted (ctype_realType (ctype_getReturnType (u->utype))))) |
616915dd | 424 | { |
425 | ; | |
426 | } | |
427 | else | |
428 | { | |
429 | if (kind == AN_FCNPARAM) | |
430 | { | |
431 | tallyAnnot (kind, QU_TEMP); | |
432 | } | |
433 | else if (recordUnknown) | |
434 | { | |
435 | if (kind == AN_FCNRETURN) | |
436 | { | |
437 | } | |
438 | tallyAnnot (kind, QU_UNKNOWN); | |
439 | } | |
440 | } | |
441 | break; | |
442 | case AK_ONLY: tallyAnnot (kind, QU_ONLY); break; | |
443 | case AK_IMPONLY: tallyAnnot (kind, QU_ONLY); break; | |
444 | case AK_KEEP: tallyAnnot (kind, QU_KEEP); break; | |
445 | case AK_KEPT: tallyAnnot (kind, QU_KEPT); break; | |
446 | case AK_IMPTEMP: | |
447 | case AK_TEMP: tallyAnnot (kind, QU_TEMP); break; | |
448 | case AK_SHARED: tallyAnnot (kind, QU_SHARED); break; | |
449 | case AK_UNIQUE: tallyAnnot (kind, QU_UNIQUE); break; | |
450 | case AK_RETURNED: tallyAnnot (kind, QU_RETURNED); break; | |
451 | case AK_REFCOUNTED: tallyAnnot (kind, QU_UNKNOWN); break; | |
452 | case AK_REFS: tallyAnnot (kind, QU_REFS); break; | |
453 | case AK_KILLREF: tallyAnnot (kind, QU_KILLREF); break; | |
454 | case AK_NEWREF: tallyAnnot (kind, QU_NEWREF); break; | |
455 | case AK_OWNED: tallyAnnot (kind, QU_OWNED); break; | |
456 | case AK_IMPDEPENDENT: | |
457 | case AK_DEPENDENT: tallyAnnot (kind, QU_DEPENDENT); break; | |
458 | case AK_ERROR: | |
459 | case AK_FRESH: | |
460 | case AK_STACK: | |
461 | case AK_LOCAL: | |
462 | break; | |
463 | } | |
464 | ||
465 | switch (ek) | |
466 | { | |
467 | case XO_EXPOSED: tallyAnnot (kind, QU_EXPOSED); break; | |
468 | case XO_OBSERVER: tallyAnnot (kind, QU_OBSERVER); break; | |
469 | default: break; | |
470 | } | |
471 | ||
472 | switch (ns) | |
473 | { | |
474 | case NS_ERROR: break; | |
475 | case NS_UNKNOWN: break; | |
476 | case NS_NOTNULL: break; | |
477 | case NS_MNOTNULL: tallyAnnot (kind, QU_NOTNULL); break; | |
478 | case NS_RELNULL: tallyAnnot (kind, QU_RELNULL); break; | |
479 | case NS_CONSTNULL: tallyAnnot (kind, QU_NULL); break; | |
480 | case NS_POSNULL: tallyAnnot (kind, QU_NULL); break; | |
481 | case NS_DEFNULL: | |
482 | case NS_ABSNULL: break; | |
483 | } | |
484 | } | |
485 | ||
486 | # endif | |
487 | ||
488 | static /*@observer@*/ cstring specCode_unparse (specCode s) /*@*/ | |
489 | { | |
490 | switch (s) | |
491 | { | |
492 | case SPC_NONE: return cstring_makeLiteralTemp ("normal"); | |
493 | case SPC_PRINTFLIKE: return cstring_makeLiteralTemp ("printflike"); | |
494 | case SPC_SCANFLIKE: return cstring_makeLiteralTemp ("scanflike"); | |
495 | case SPC_MESSAGELIKE: return cstring_makeLiteralTemp ("messagelike"); | |
496 | case SPC_LAST: return cstring_makeLiteralTemp ("<error>"); | |
497 | } | |
498 | ||
499 | BADEXIT; | |
500 | } | |
501 | ||
502 | static specCode specCode_fromInt (int i) | |
503 | { | |
504 | /*@+enumint@*/ | |
505 | llassert (i >= SPC_NONE && i < SPC_LAST); | |
506 | ||
507 | return ((specCode) i); | |
508 | /*@=enumint@*/ | |
509 | } | |
510 | ||
511 | /*@observer@*/ cstring uentry_specOrDefName (uentry u) | |
512 | { | |
513 | if (uentry_isDeclared (u)) | |
514 | { | |
515 | return cstring_makeLiteralTemp ("previously declared"); | |
516 | } | |
517 | else | |
518 | { | |
519 | return cstring_makeLiteralTemp ("specified"); | |
520 | } | |
521 | } | |
522 | ||
523 | /*@observer@*/ cstring uentry_specDeclName (uentry u) | |
524 | { | |
525 | if (uentry_isDeclared (u)) | |
526 | { | |
527 | return cstring_makeLiteralTemp ("previous declaration"); | |
528 | } | |
529 | else | |
530 | { | |
531 | return cstring_makeLiteralTemp ("specification"); | |
532 | } | |
533 | } | |
534 | ||
535 | static /*@observer@*/ cstring uentry_reDefDecl (uentry old, uentry unew) /*@*/ | |
536 | { | |
537 | if (uentry_isCodeDefined (old) && uentry_isCodeDefined (unew)) | |
538 | { | |
539 | return cstring_makeLiteralTemp ("redefined"); | |
540 | } | |
541 | else if (uentry_isCodeDefined (unew)) | |
542 | { | |
543 | return cstring_makeLiteralTemp ("defined"); | |
544 | } | |
545 | else if (uentry_isDeclared (old) && uentry_isDeclared (unew)) | |
546 | { | |
547 | return cstring_makeLiteralTemp ("redeclared"); | |
548 | } | |
549 | else | |
550 | { | |
551 | return cstring_makeLiteralTemp ("declared"); | |
552 | } | |
553 | } | |
554 | ||
555 | ||
556 | /*drl7x*/ | |
d46ce6a4 | 557 | /*@only@*/ constraintList uentry_getFcnPreconditions (uentry ue) |
616915dd | 558 | { |
559 | if (uentry_isValid (ue)) | |
560 | { | |
561 | { | |
562 | if (uentry_isVariable (ue) && ctype_isFunction (uentry_getType (ue))) | |
563 | { | |
28bf4b0b | 564 | DPRINTF(( (message( "Function pointer %s not doing uentry_getFcnPreconditions", uentry_unparse(ue) )) )); |
4ab867d6 | 565 | // uentry_makeVarFunction (ue); |
616915dd | 566 | } |
567 | ||
568 | //llassert (uentry_isFunction (ue)); | |
569 | //llassert ((ue->info->fcn->preconditions)); | |
570 | //llassert ((ue->info->fcn->preconditions)); | |
571 | if (!uentry_isFunction (ue)) | |
572 | { | |
28bf4b0b | 573 | DPRINTF( (message ("called uentry_getFcnPreconditions on nonfunction %s", |
616915dd | 574 | uentry_unparse (ue) ) ) ); |
575 | if (!uentry_isSpecified (ue) ) | |
576 | { | |
470b7798 | 577 | DPRINTF((message ("called uentry_getFcnPreconditions on nonfunction %s", |
616915dd | 578 | uentry_unparse (ue) ) )); |
579 | return constraintList_undefined; | |
580 | } | |
581 | ||
582 | ||
583 | return constraintList_undefined; | |
584 | } | |
585 | ||
28bf4b0b | 586 | if (constraintList_isDefined(ue->info->fcn->preconditions)) |
616915dd | 587 | { |
588 | return constraintList_copy (ue->info->fcn->preconditions); | |
589 | } | |
590 | else | |
591 | { | |
592 | return NULL; | |
593 | } | |
594 | } | |
595 | ||
596 | } | |
597 | ||
598 | return constraintList_undefined; | |
599 | ||
600 | } | |
601 | ||
602 | ||
28bf4b0b | 603 | |
604 | ||
616915dd | 605 | /*drl |
606 | 12/28/2000 | |
607 | */ | |
608 | constraintList uentry_getFcnPostconditions (uentry ue) | |
609 | { | |
610 | if (uentry_isValid (ue)) | |
611 | { | |
28bf4b0b | 612 | DPRINTF( (message ("called uentry_getFcnPostconditions on %s", |
613 | uentry_unparse (ue) ) ) ); | |
616915dd | 614 | { |
615 | if (uentry_isVariable (ue) && ctype_isFunction (uentry_getType (ue))) | |
616 | { | |
28bf4b0b | 617 | DPRINTF( (message ("called uentry_getFcnPostconditions on nonfunction %s", |
618 | uentry_unparse (ue) ) ) ); | |
619 | if (!uentry_isFunction (ue) ) | |
620 | { | |
621 | DPRINTF((message ("called uentry_getFcnPostconditions on nonfunction %s", | |
622 | uentry_unparse (ue) ) )); | |
623 | return constraintList_undefined; | |
624 | } | |
625 | ||
626 | ||
627 | return constraintList_undefined; | |
616915dd | 628 | } |
629 | ||
28bf4b0b | 630 | // llassert (uentry_isFunction (ue)); |
631 | if (!uentry_isFunction(ue) ) | |
616915dd | 632 | { |
28bf4b0b | 633 | |
634 | DPRINTF( (message ("called uentry_getFcnPostconditions on non function %s", | |
616915dd | 635 | uentry_unparse (ue) ) ) ); |
28bf4b0b | 636 | return constraintList_undefined; |
616915dd | 637 | |
28bf4b0b | 638 | } |
639 | if (constraintList_isDefined(ue->info->fcn->postconditions) ) | |
616915dd | 640 | { |
28bf4b0b | 641 | DPRINTF((message ("called uentry_getFcnPostconditions on %s and returned %q", |
642 | uentry_unparse (ue), | |
643 | constraintList_print(ue->info->fcn->postconditions) ) )); | |
616915dd | 644 | return constraintList_copy (ue->info->fcn->postconditions); |
645 | } | |
646 | else | |
647 | { | |
648 | return NULL; | |
649 | } | |
650 | } | |
651 | ||
652 | } | |
653 | ||
654 | return constraintList_undefined; | |
655 | ||
656 | } | |
657 | ||
658 | ||
659 | static /*@only@*/ fileloc setLocation (void) | |
660 | { | |
661 | fileloc fl = context_getSaveLocation (); | |
662 | ||
663 | if (fileloc_isDefined (fl)) | |
664 | { | |
665 | return fl; | |
666 | } | |
667 | else | |
668 | { | |
669 | return fileloc_copy (g_currentloc); | |
670 | } | |
671 | } | |
672 | ||
673 | /*@notnull@*/ uentry uentry_makeEnumConstant (cstring n, ctype t) | |
674 | { | |
675 | fileloc loc = setLocation (); | |
676 | uentry ue = uentry_makeConstant (n, t, loc); | |
677 | ||
678 | ue->ukind = KENUMCONST; | |
679 | uentry_setDefined (ue, loc); | |
680 | return ue; | |
681 | } | |
682 | ||
683 | /*@notnull@*/ uentry uentry_makeEnumInitializedConstant (cstring n, ctype t, exprNode expr) | |
684 | { | |
685 | fileloc loc = setLocation (); | |
686 | uentry ue = uentry_makeConstant (n, t, loc); | |
687 | ctype etype = exprNode_getType (expr); | |
688 | ||
689 | if (!ctype_isRealInt (etype)) { | |
690 | voptgenerror | |
691 | (FLG_ENUMMEMBERS, | |
692 | message | |
693 | ("Value of enum member is not an integeral type (type %s): %s", | |
694 | ctype_unparse (etype), exprNode_unparse (expr)), | |
695 | exprNode_loc (expr)); | |
696 | } | |
697 | ||
698 | ue->ukind = KENUMCONST; | |
699 | uentry_setDefined (ue, loc); | |
700 | return ue; | |
701 | } | |
702 | ||
703 | # ifndef NOLCL | |
704 | /*@notnull@*/ uentry uentry_makeSpecEnumConstant (cstring n, ctype t, fileloc loc) | |
705 | { | |
706 | uentry ue = uentry_makeConstant (n, t, loc); | |
707 | ||
708 | ue->ukind = KENUMCONST; | |
709 | return ue; | |
710 | } | |
711 | # endif | |
712 | ||
713 | /*@notnull@*/ uentry uentry_makeVariableLoc (cstring n, ctype t) | |
714 | { | |
715 | return uentry_makeVariable (n, t, setLocation (), FALSE); | |
716 | } | |
717 | ||
718 | # ifndef NOLCL | |
719 | /*@notnull@*/ /*@only@*/ uentry uentry_makeUnnamedVariable (ctype t) | |
720 | { | |
721 | return uentry_makeVariable (cstring_undefined, t, setLocation (), FALSE); | |
722 | } | |
723 | # endif | |
724 | ||
725 | /*@notnull@*/ uentry uentry_makeIdDatatype (idDecl id) | |
726 | { | |
727 | ctype ct = idDecl_getCtype (id); | |
728 | uentry ue = uentry_makeDatatype (idDecl_observeId (id), ct, | |
729 | MAYBE, MAYBE, setLocation ()); | |
730 | ||
731 | uentry_reflectQualifiers (ue, idDecl_getQuals (id)); | |
732 | ||
733 | if (!ynm_isOn (ue->info->datatype->abs)) | |
734 | { | |
735 | if (ctype_isUnknown (ct)) | |
736 | { | |
737 | ue->info->datatype->mut = MAYBE; | |
738 | } | |
739 | else | |
740 | { | |
741 | ue->info->datatype->mut = ynm_fromBool (ctype_isMutable (ct)); | |
742 | } | |
743 | } | |
744 | ||
745 | return ue; | |
746 | } | |
747 | ||
748 | void uentry_checkParams (uentry ue) | |
749 | { | |
750 | if (uentry_isValid (ue)) | |
751 | { | |
752 | bool isExt = uentry_isExtern (ue); | |
753 | ||
754 | if (uentry_isRealFunction (ue)) | |
755 | { | |
756 | uentryList params = uentry_getParams (ue); | |
757 | ||
758 | uentryList_elements (params, current) | |
759 | { | |
760 | if (uentry_isValid (current)) | |
761 | { | |
762 | ctype ct = current->utype; | |
763 | ||
764 | if (ctype_isFixedArray (ct)) | |
765 | { | |
766 | if (ctype_isArray (ctype_baseArrayPtr (ct)) | |
767 | && !ctype_isFixedArray (ctype_baseArrayPtr (ct))) | |
768 | { | |
769 | ; | |
770 | } | |
771 | else | |
772 | { | |
773 | voptgenerror | |
774 | (FLG_FIXEDFORMALARRAY, | |
775 | message ("Function parameter %q declared as " | |
776 | "manifest array (size constant is meaningless)", | |
777 | uentry_getName (current)), | |
778 | uentry_whereDeclared (current)); | |
779 | } | |
780 | } | |
781 | else | |
782 | { | |
783 | if (ctype_isArray (ct)) | |
784 | { | |
785 | voptgenerror | |
786 | (FLG_FORMALARRAY, | |
787 | message ("Function parameter %q declared as " | |
788 | "array (treated as pointer)", | |
789 | uentry_getName (current)), | |
790 | uentry_whereDeclared (current)); | |
791 | } | |
792 | } | |
793 | ||
794 | if (sRef_getNullState (uentry_getSref (current)) == NS_MNOTNULL) | |
795 | { | |
796 | if (ctype_isAbstract (ct) && | |
797 | (isExt || (ctype_isAbstract (ctype_realType (ct)) | |
798 | && !context_hasFileAccess (ctype_typeId (ct))))) | |
799 | { | |
800 | vgenhinterror | |
801 | (FLG_INCONDEFS, | |
802 | message | |
803 | ("Function %q declared with notnull parameter %q of abstract " | |
804 | "type %s", | |
805 | uentry_getName (ue), | |
806 | uentry_getName (current), | |
807 | ctype_unparse (ct)), | |
808 | message | |
809 | ("Since %s is an abstract type, notnull can only be " | |
810 | "used for parameters if the function is static to a " | |
811 | "module where %s is accessible.", | |
812 | ctype_unparse (ct), | |
813 | ctype_unparse (ct)), | |
814 | uentry_whereDeclared (current)); | |
815 | } | |
816 | } | |
817 | } | |
818 | } end_uentryList_elements; | |
819 | ||
820 | if (sRef_getNullState (uentry_getSref (ue)) == NS_MNOTNULL) | |
821 | { | |
822 | ctype ct = ue->utype; | |
823 | ||
824 | if (ctype_isAbstract (ct) | |
825 | && (isExt || (ctype_isAbstract (ctype_realType (ct)) | |
826 | && !context_hasFileAccess (ctype_typeId (ct))))) | |
827 | { | |
828 | vgenhinterror | |
829 | (FLG_INCONDEFS, | |
830 | message | |
831 | ("%s %q declared %s notnull storage of abstract type %s", | |
832 | ekind_capName (uentry_getKind (ue)), | |
833 | uentry_getName (ue), | |
834 | fcnErrName (ue), | |
835 | ctype_unparse (ct)), | |
836 | message | |
837 | ("Since %s is an abstract type, notnull can only be used " | |
838 | "if it is static to a module where %s is accessible.", | |
839 | ctype_unparse (ct), | |
840 | ctype_unparse (ct)), | |
841 | uentry_whereDeclared (ue)); | |
842 | } | |
843 | } | |
844 | } | |
845 | } | |
846 | } | |
847 | ||
848 | static void reflectImplicitFunctionQualifiers (/*@notnull@*/ uentry ue, bool spec) | |
849 | { | |
850 | alkind ak = sRef_getAliasKind (ue->sref); | |
851 | ||
852 | if (alkind_isRefCounted (ak)) | |
853 | { | |
854 | sRef_setAliasKind (ue->sref, AK_NEWREF, fileloc_undefined); | |
855 | } | |
856 | else | |
857 | { | |
858 | if (alkind_isUnknown (ak)) | |
859 | { | |
860 | exkind ek = sRef_getExKind (ue->sref); | |
861 | ||
862 | if (exkind_isKnown (ek)) | |
863 | { | |
28bf4b0b | 864 | DPRINTF (("Setting imp dependent: %s", |
865 | uentry_unparseFull (ue))); | |
616915dd | 866 | sRef_setAliasKind (ue->sref, AK_IMPDEPENDENT, fileloc_undefined); |
867 | } | |
868 | else | |
869 | { | |
870 | if (context_getFlag (spec ? FLG_SPECRETIMPONLY : FLG_RETIMPONLY)) | |
871 | { | |
28bf4b0b | 872 | /* evans 2000-12-22 removed ctype_realType so it will |
873 | not apply to immutable abstract types. */ | |
874 | ||
616915dd | 875 | if (ctype_isVisiblySharable |
28bf4b0b | 876 | (ctype_realType (ctype_getReturnType (ue->utype)))) |
616915dd | 877 | { |
878 | if (uentryList_hasReturned (uentry_getParams (ue))) | |
879 | { | |
880 | ; | |
881 | } | |
28bf4b0b | 882 | else |
616915dd | 883 | { |
28bf4b0b | 884 | if (ctype_isImmutableAbstract (ctype_getReturnType (ue->utype))) |
885 | { | |
886 | ; /* Immutable objects are not shared. */ | |
887 | } | |
888 | else | |
889 | { | |
890 | sRef_setAliasKind (ue->sref, AK_IMPONLY, | |
891 | fileloc_undefined); | |
892 | DPRINTF (("Ret imp only: %s", | |
893 | ctype_unparse (ctype_getReturnType (ue->utype)))); | |
894 | } | |
895 | } | |
616915dd | 896 | } |
897 | } | |
898 | } | |
899 | } | |
900 | } | |
901 | } | |
902 | ||
903 | static /*@notnull@*/ uentry | |
904 | uentry_makeFunctionAux (cstring n, ctype t, | |
905 | typeIdSet access, | |
906 | /*@only@*/ globSet globs, | |
28bf4b0b | 907 | /*@only@*/ sRefSet mods, |
908 | /*@only@*/ warnClause warn, | |
616915dd | 909 | /*@keep@*/ fileloc f, bool priv, |
910 | /*@unused@*/ bool isForward) | |
911 | { | |
912 | uentry e = uentry_alloc (); | |
913 | ctype ret; | |
914 | ||
28bf4b0b | 915 | llassert (warnClause_isUndefined (warn)); /*@i325 remove parameter! */ |
916 | ||
616915dd | 917 | if (ctype_isFunction (t)) |
918 | { | |
28bf4b0b | 919 | ret = ctype_getReturnType (t); |
616915dd | 920 | } |
921 | else | |
922 | { | |
923 | if (ctype_isKnown (t)) | |
924 | { | |
925 | llbug (message ("not function: %s", ctype_unparse (t))); | |
926 | } | |
927 | ret = ctype_unknown; | |
928 | } | |
929 | ||
930 | e->ukind = KFCN; | |
931 | ||
932 | if (fileloc_isSpec (f) || fileloc_isImport (f)) | |
933 | { | |
934 | e->whereSpecified = f; | |
935 | e->whereDeclared = fileloc_undefined; | |
936 | } | |
937 | else | |
938 | { | |
939 | e->whereSpecified = fileloc_undefined; | |
940 | e->whereDeclared = f; | |
941 | } | |
942 | ||
943 | /* e->shallowCopy = FALSE; */ | |
944 | e->uname = cstring_copy (n); | |
945 | e->utype = t; | |
946 | e->storageclass = SCNONE; | |
947 | ||
948 | e->sref = sRef_makeType (ret); | |
949 | ||
950 | if (ctype_isUA (ret)) | |
951 | { | |
952 | sRef_setStateFromType (e->sref, ret); | |
953 | } | |
954 | ||
955 | e->used = FALSE; | |
956 | e->lset = FALSE; | |
957 | e->uses = filelocList_new (); | |
958 | e->isPrivate = priv; | |
959 | e->hasNameError = FALSE; | |
960 | ||
28bf4b0b | 961 | e->warn = warn; |
962 | ||
616915dd | 963 | e->info = (uinfo) dmalloc (sizeof (*e->info)); |
964 | e->info->fcn = (ufinfo) dmalloc (sizeof (*e->info->fcn)); | |
965 | ||
966 | e->info->fcn->hasMods = sRefSet_isDefined (mods); | |
967 | e->info->fcn->hasGlobs = globSet_isDefined (globs); | |
968 | ||
969 | e->info->fcn->exitCode = XK_UNKNOWN; | |
28bf4b0b | 970 | e->info->fcn->nullPred = qual_createUnknown (); |
616915dd | 971 | e->info->fcn->specialCode = SPC_NONE; |
972 | ||
973 | e->info->fcn->access = access; | |
974 | e->info->fcn->globs = globs; | |
975 | e->info->fcn->defparams = uentryList_undefined; | |
976 | ||
977 | sRef_setDefined (e->sref, f); | |
978 | e->whereDefined = fileloc_undefined; | |
979 | ||
980 | e->info->fcn->mods = sRefSet_undefined; | |
981 | e->info->fcn->specclauses = NULL; | |
982 | ||
983 | /*drl 11 29 2000*/ | |
984 | e->info->fcn->preconditions = NULL; | |
985 | /*end drl*/ | |
986 | ||
987 | /*drl 12 28 2000*/ | |
988 | e->info->fcn->postconditions = NULL; | |
989 | /*end drl*/ | |
990 | ||
991 | checkGlobalsModifies (e, mods); | |
992 | e->info->fcn->mods = mods; | |
993 | ||
994 | return (e); | |
995 | } | |
996 | ||
28bf4b0b | 997 | static void uentry_reflectClauses (uentry ue, functionClauseList clauses) |
998 | { | |
999 | functionClauseList_elements (clauses, el) | |
1000 | { | |
1001 | DPRINTF (("Reflect clause: %s on %s", | |
1002 | functionClause_unparse (el), uentry_getName (ue))); | |
1003 | ||
1004 | if (functionClause_isNoMods (el)) | |
1005 | { | |
1006 | modifiesClause mel = functionClause_getModifies (el); | |
1007 | ||
1008 | if (uentry_hasGlobs (ue)) | |
1009 | { | |
1010 | voptgenerror | |
1011 | (FLG_SYNTAX, | |
1012 | message | |
1013 | ("No globals and modifies inconsistent to globals clause for %q: %q", | |
1014 | uentry_getName (ue), | |
1015 | globSet_unparse (uentry_getGlobs (ue))), | |
1016 | modifiesClause_getLoc (mel)); | |
1017 | ||
1018 | } | |
1019 | ||
1020 | if (uentry_hasMods (ue)) | |
1021 | { | |
1022 | voptgenerror | |
1023 | (FLG_SYNTAX, | |
1024 | message | |
1025 | ("No globals and modifies inconsistent to modifies clause for %q: %q", | |
1026 | uentry_getName (ue), | |
1027 | sRefSet_unparse (uentry_getMods (ue))), | |
1028 | modifiesClause_getLoc (mel)); | |
1029 | } | |
1030 | ||
1031 | uentry_setGlobals (ue, globSet_undefined); | |
1032 | uentry_setModifies (ue, sRefSet_undefined); | |
1033 | } | |
1034 | else if (functionClause_isGlobals (el)) | |
1035 | { | |
1036 | globalsClause glc = functionClause_getGlobals (el); | |
1037 | ||
1038 | DPRINTF (("Globals: %s / %s", uentry_unparse (ue), | |
1039 | globalsClause_unparse (glc))); | |
1040 | ||
1041 | if (uentry_hasGlobs (ue)) | |
1042 | { | |
1043 | voptgenerror | |
1044 | (FLG_SYNTAX, | |
1045 | message | |
1046 | ("Multiple globals clauses for %q: %q", | |
1047 | uentry_getName (ue), | |
1048 | globalsClause_unparse (glc)), | |
1049 | globalsClause_getLoc (glc)); | |
1050 | uentry_setGlobals (ue, globalsClause_takeGlobs (glc)); /*@i32@*/ | |
1051 | } | |
1052 | else | |
1053 | { | |
1054 | uentry_setGlobals (ue, globalsClause_takeGlobs (glc)); | |
1055 | } | |
1056 | } | |
1057 | else if (functionClause_isModifies (el)) | |
1058 | { | |
1059 | modifiesClause mlc = functionClause_getModifies (el); | |
1060 | ||
1061 | DPRINTF (("Has modifies: %s", uentry_unparseFull (ue))); | |
1062 | ||
1063 | if (uentry_hasMods (ue)) | |
1064 | { | |
1065 | /* | |
1066 | ** Not an error: | |
1067 | ||
1068 | if (optgenerror | |
1069 | (FLG_SYNTAX, | |
1070 | message | |
1071 | ("Multiple modifies clauses for %s: %s", | |
1072 | uentry_getName (ue), | |
1073 | modifiesClause_unparse (mlc)), | |
1074 | modifiesClause_getLoc (mlc))) | |
1075 | { | |
1076 | llhint (message ("Previous modifies clause: ", | |
1077 | sRefSet_unparse (uentry_getMods (ue)))); | |
1078 | } | |
1079 | ||
1080 | ** | |
1081 | */ | |
1082 | ||
1083 | uentry_combineModifies (ue, modifiesClause_takeMods (mlc)); /*@i32@*/ | |
1084 | } | |
1085 | else | |
1086 | { | |
1087 | uentry_setModifies (ue, modifiesClause_takeMods (mlc)); | |
1088 | } | |
1089 | } | |
1090 | else if (functionClause_isState (el)) | |
1091 | { | |
1092 | stateClause sc = functionClause_takeState (el); | |
1093 | uentry_addStateClause (ue, sc); | |
1094 | } | |
1095 | else if (functionClause_isWarn (el)) | |
1096 | { | |
1097 | warnClause wc = functionClause_takeWarn (el); | |
1098 | uentry_addWarning (ue, wc); | |
1099 | } | |
1100 | else | |
1101 | { | |
1102 | DPRINTF (("Unhandled clause: %s", functionClause_unparse (el))); | |
1103 | } | |
1104 | } end_functionClauseList_elements ; | |
1105 | ||
1106 | stateClauseList_checkAll (ue); | |
1107 | } | |
1108 | ||
616915dd | 1109 | /*@notnull@*/ uentry uentry_makeIdFunction (idDecl id) |
1110 | { | |
28bf4b0b | 1111 | bool leaveFunc = FALSE; |
616915dd | 1112 | uentry ue = |
1113 | uentry_makeFunction (idDecl_observeId (id), idDecl_getCtype (id), | |
1114 | typeId_invalid, globSet_undefined, | |
28bf4b0b | 1115 | sRefSet_undefined, warnClause_undefined, |
616915dd | 1116 | setLocation ()); |
28bf4b0b | 1117 | |
1118 | /* | |
1119 | ** This makes parameters names print out correctly. | |
1120 | ** (But we might be a local variable declaration for a function type...) | |
1121 | */ | |
1122 | ||
1123 | if (context_inFunctionLike ()) | |
1124 | { | |
1125 | DPRINTF (("Header: %s / %s", | |
1126 | uentry_unparse (context_getHeader ()), | |
1127 | idDecl_unparse (id))); | |
1128 | } | |
1129 | else | |
1130 | { | |
1131 | context_enterFunctionDeclaration (ue); | |
1132 | leaveFunc = TRUE; | |
1133 | } | |
1134 | ||
616915dd | 1135 | uentry_reflectQualifiers (ue, idDecl_getQuals (id)); |
1136 | reflectImplicitFunctionQualifiers (ue, FALSE); | |
1137 | ||
28bf4b0b | 1138 | uentry_reflectClauses (ue, idDecl_getClauses (id)); |
1139 | ||
616915dd | 1140 | if (!uentry_isStatic (ue) |
1141 | && cstring_equalLit (ue->uname, "main")) | |
1142 | { | |
1143 | ctype typ = ue->utype; | |
1144 | ctype retval; | |
1145 | uentryList args; | |
1146 | ||
1147 | llassert (ctype_isFunction (typ)); | |
1148 | ||
28bf4b0b | 1149 | retval = ctype_getReturnType (typ); |
616915dd | 1150 | |
1151 | if (!ctype_isInt (retval)) | |
1152 | { | |
1153 | voptgenerror | |
1154 | (FLG_MAINTYPE, | |
1155 | message ("Function main declared to return %s, should return int", | |
1156 | ctype_unparse (retval)), | |
1157 | uentry_whereDeclared (ue)); | |
1158 | } | |
1159 | ||
1160 | args = ctype_argsFunction (typ); | |
1161 | ||
1162 | if (uentryList_isMissingParams (args) | |
1163 | || uentryList_size (args) == 0) | |
1164 | { | |
1165 | ; | |
1166 | } | |
1167 | else | |
1168 | { | |
1169 | if (uentryList_size (args) != 2) | |
1170 | { | |
1171 | voptgenerror | |
1172 | (FLG_MAINTYPE, | |
28bf4b0b | 1173 | message ("Function main declared with %d arg%&, " |
616915dd | 1174 | "should have 2 (int argc, char *argv[])", |
1175 | uentryList_size (args)), | |
1176 | uentry_whereLast (ue)); | |
1177 | } | |
1178 | else | |
1179 | { | |
1180 | uentry arg = uentryList_getN (args, 0); | |
1181 | ctype ct = uentry_getType (arg); | |
1182 | ||
1183 | if (!ctype_isInt (ct)) | |
1184 | { | |
1185 | voptgenerror | |
1186 | (FLG_MAINTYPE, | |
1187 | message ("Parameter 1, %q, of function main declared " | |
1188 | "with type %t, should have type int", | |
1189 | uentry_getName (arg), ct), | |
1190 | uentry_whereDeclared (arg)); | |
1191 | } | |
1192 | ||
1193 | arg = uentryList_getN (args, 1); | |
1194 | ct = uentry_getType (arg); | |
1195 | ||
1196 | if (ctype_isArrayPtr (ct) | |
1197 | && ctype_isArrayPtr (ctype_baseArrayPtr (ct)) | |
1198 | && ctype_isChar (ctype_baseArrayPtr (ctype_baseArrayPtr (ct)))) | |
1199 | { | |
1200 | ; | |
1201 | } | |
1202 | else | |
1203 | { | |
1204 | voptgenerror | |
1205 | (FLG_MAINTYPE, | |
1206 | message ("Parameter 2, %q, of function main declared " | |
1207 | "with type %t, should have type char **", | |
1208 | uentry_getName (arg), ct), | |
1209 | uentry_whereDeclared (arg)); | |
1210 | } | |
1211 | } | |
1212 | } | |
1213 | } | |
1214 | ||
28bf4b0b | 1215 | if (leaveFunc) |
1216 | { | |
1217 | context_exitFunctionDeclaration (); | |
1218 | } | |
1219 | ||
616915dd | 1220 | return ue; |
1221 | } | |
1222 | ||
1223 | static void uentry_implicitParamAnnots (/*@notnull@*/ uentry e) | |
1224 | { | |
1225 | alkind ak = sRef_getAliasKind (e->sref); | |
1226 | ||
1227 | if ((alkind_isUnknown (ak) || alkind_isImplicit (ak)) | |
1228 | && context_getFlag (FLG_PARAMIMPTEMP)) | |
1229 | { | |
1230 | exkind ek = sRef_getExKind (e->sref); | |
1231 | ||
1232 | if (exkind_isKnown (ek)) | |
1233 | { | |
28bf4b0b | 1234 | DPRINTF (("imp dep: %s", uentry_unparseFull (e))); |
616915dd | 1235 | sRef_setAliasKind (e->sref, AK_IMPDEPENDENT, fileloc_undefined); |
1236 | sRef_setOrigAliasKind (e->sref, AK_IMPDEPENDENT); | |
1237 | } | |
1238 | else | |
1239 | { | |
1240 | sRef_setAliasKind (e->sref, AK_IMPTEMP, fileloc_undefined); | |
1241 | sRef_setOrigAliasKind (e->sref, AK_IMPTEMP); | |
1242 | } | |
1243 | } | |
1244 | } | |
1245 | ||
1246 | static /*@only@*/ /*@notnull@*/ uentry | |
28bf4b0b | 1247 | uentry_makeVariableParamAux (cstring n, ctype t, /*@dependent@*/ sRef s, sstate defstate) /*@i32 exposed*/ |
616915dd | 1248 | { |
1249 | cstring pname = makeParam (n); | |
28bf4b0b | 1250 | uentry e; |
1251 | ||
1252 | DPRINTF (("Sref: %s", sRef_unparseFull (s))); | |
1253 | e = uentry_makeVariableAux (pname, t, setLocation (), s, FALSE, VKPARAM); | |
616915dd | 1254 | |
1255 | cstring_free (pname); | |
28bf4b0b | 1256 | DPRINTF (("Param: %s", uentry_unparseFull (e))); |
616915dd | 1257 | uentry_implicitParamAnnots (e); |
28bf4b0b | 1258 | DPRINTF (("Param: %s", uentry_unparseFull (e))); |
616915dd | 1259 | |
1260 | if (!sRef_isAllocated (e->sref) && !sRef_isPartial (e->sref)) | |
1261 | { | |
28bf4b0b | 1262 | DPRINTF (("Param: %s", uentry_unparseFull (e))); |
616915dd | 1263 | sRef_setDefState (e->sref, defstate, uentry_whereDeclared (e)); |
1264 | e->info->var->defstate = defstate; | |
1265 | } | |
1266 | ||
28bf4b0b | 1267 | DPRINTF (("Param: %s", uentry_unparseFull (e))); |
616915dd | 1268 | return (e); |
1269 | } | |
1270 | ||
1271 | # ifndef NOLCL | |
1272 | void | |
1273 | uentry_setRefCounted (uentry e) | |
1274 | { | |
1275 | if (uentry_isValid (e)) | |
1276 | { | |
1277 | uentry_setAliasKind (e, AK_REFCOUNTED); | |
1278 | sRef_storeState (e->sref); | |
1279 | } | |
1280 | } | |
1281 | # endif | |
1282 | ||
1283 | void | |
1284 | uentry_setStatic (uentry c) | |
1285 | { | |
1286 | if (uentry_isValid (c)) | |
1287 | { | |
1288 | alkind ak = sRef_getAliasKind (c->sref); | |
1289 | c->storageclass = SCSTATIC; | |
1290 | ||
1291 | if (uentry_isVariable (c) && !ctype_isFunction (uentry_getType (c))) | |
1292 | { | |
1293 | if (!alkind_isUnknown (ak) | |
1294 | && !alkind_isStatic (ak)) | |
1295 | { | |
1296 | if (!(ctype_isRealPointer (uentry_getType (c))) | |
1297 | && !(ctype_isAbstract (ctype_realType (uentry_getType (c)))) | |
1298 | && !alkind_isRefCounted (ak)) | |
1299 | { | |
1300 | if (alkind_isImplicit (ak) | |
1301 | && alkind_isDependent (ak) | |
1302 | && ctype_isArray (uentry_getType (c))) | |
1303 | { | |
1304 | ; /* no error for observer arrays */ | |
1305 | } | |
1306 | else | |
1307 | { | |
1308 | voptgenerror | |
1309 | (FLG_INCONDEFS, | |
1310 | message ("Static storage %q declared as %s", | |
1311 | uentry_getName (c), | |
1312 | alkind_unparse (ak)), | |
1313 | uentry_whereDeclared (c)); | |
1314 | } | |
1315 | } | |
1316 | } | |
1317 | else | |
1318 | { | |
1319 | if (alkind_isUnknown (ak) | |
1320 | || (alkind_isImplicit (sRef_getAliasKind (c->sref)) | |
1321 | && !alkind_isDependent (sRef_getAliasKind (c->sref)))) | |
1322 | { | |
1323 | sRef_setAliasKind (c->sref, AK_STATIC, fileloc_undefined); | |
1324 | sRef_setOrigAliasKind (c->sref, AK_STATIC); | |
1325 | } | |
1326 | } | |
1327 | } | |
1328 | } | |
1329 | } | |
1330 | ||
1331 | void | |
1332 | uentry_setExtern (uentry c) | |
1333 | { | |
1334 | if (uentry_isValid (c)) | |
1335 | c->storageclass = SCEXTERN; | |
1336 | } | |
1337 | ||
1338 | void | |
1339 | uentry_setParamNo (uentry ue, int pno) | |
1340 | { | |
1341 | llassert (uentry_isAnyParam (ue) && sRef_isParam (ue->sref)); | |
1342 | sRef_setParamNo (ue->sref, pno); | |
1343 | } | |
1344 | ||
1345 | static | |
1346 | void checkGlobalsModifies (/*@notnull@*/ uentry ue, sRefSet sr) | |
1347 | { | |
1348 | sRefSet_allElements (sr, el) | |
1349 | { | |
1350 | sRef base = sRef_getRootBase (el); | |
1351 | ||
28bf4b0b | 1352 | if (sRef_isFileOrGlobalScope (base) || sRef_isInternalState (base) |
616915dd | 1353 | || (sRef_isKindSpecial (base) && !sRef_isNothing (base))) |
1354 | { | |
1355 | if (!globSet_member (ue->info->fcn->globs, base)) | |
1356 | { | |
1357 | if (uentry_hasGlobs (ue) | |
1358 | || context_getFlag (FLG_WARNMISSINGGLOBALSNOGLOBS)) | |
1359 | { | |
1360 | if (optgenerror | |
1361 | (FLG_WARNMISSINGGLOBALS, | |
1362 | message | |
1363 | ("Modifies list for %q uses global %q, " | |
1364 | "not included in globals list.", | |
1365 | uentry_getName (ue), | |
1366 | sRef_unparse (base)), | |
1367 | uentry_whereLast (ue))) | |
1368 | { | |
1369 | uentry_showWhereSpecified (ue); | |
1370 | } | |
1371 | } | |
1372 | ||
1373 | ue->info->fcn->globs = globSet_insert (ue->info->fcn->globs, | |
1374 | base); | |
1375 | if (sRef_isFileStatic (base)) | |
1376 | { | |
1377 | context_recordFileGlobals (ue->info->fcn->globs); | |
1378 | } | |
1379 | } | |
1380 | } | |
1381 | } end_sRefSet_allElements; | |
1382 | } | |
1383 | ||
1384 | uentry | |
28bf4b0b | 1385 | uentry_makeVariableSrefParam (cstring n, ctype t, /*@exposed@*/ sRef s) |
616915dd | 1386 | { |
1387 | return (uentry_makeVariableParamAux (n, t, s, SS_UNKNOWN)); | |
1388 | } | |
1389 | ||
1390 | void | |
1391 | uentry_fixupSref (uentry ue) | |
1392 | { | |
1393 | sRef sr; | |
1394 | ||
1395 | if (uentry_isUndefined (ue) || uentry_isElipsisMarker (ue)) | |
1396 | { | |
1397 | return; | |
1398 | } | |
1399 | ||
1400 | sr = uentry_getSref (ue); | |
1401 | ||
1402 | sRef_resetState (sr); | |
1403 | sRef_clearDerived (sr); | |
1404 | ||
1405 | llassertprint (uentry_isVariable (ue), ("fixing: %s", uentry_unparseFull (ue))); | |
1406 | llassert (sRef_isValid (sr)); | |
1407 | ||
1408 | if (uentry_isVariable (ue)) | |
1409 | { | |
1410 | sRef_setDefState (sr, ue->info->var->defstate, fileloc_undefined); | |
1411 | sRef_setNullState (sr, ue->info->var->nullstate, fileloc_undefined); | |
1412 | } | |
1413 | } | |
1414 | ||
28bf4b0b | 1415 | static void uentry_addStateClause (uentry ue, stateClause sc) |
1416 | { | |
1417 | /* | |
1418 | ** Okay to allow multiple clauses of the same kind. | |
1419 | */ /*@i834 is this true?@*/ | |
1420 | ||
1421 | ue->info->fcn->specclauses = | |
1422 | stateClauseList_add (ue->info->fcn->specclauses, sc); | |
1423 | ||
1424 | /* Will call checkAll to check later... */ | |
1425 | } | |
1426 | ||
1427 | void uentry_setStateClauseList (uentry ue, stateClauseList clauses) | |
616915dd | 1428 | { |
1429 | llassert (uentry_isFunction (ue)); | |
28bf4b0b | 1430 | llassert (!stateClauseList_isDefined (ue->info->fcn->specclauses)); |
616915dd | 1431 | |
28bf4b0b | 1432 | DPRINTF (("checked clauses: %s", stateClauseList_unparse (clauses))); |
616915dd | 1433 | ue->info->fcn->specclauses = clauses; |
28bf4b0b | 1434 | stateClauseList_checkAll (ue); |
1435 | DPRINTF (("checked clauses: %s", uentry_unparseFull (ue))); | |
616915dd | 1436 | } |
1437 | ||
1438 | /* | |
1439 | ** Used for @modifies@ @endmodifies@ syntax. | |
1440 | ** | |
1441 | ** If ue is specified, sr must contain *only*: | |
1442 | ** | |
1443 | ** o file static globals | |
1444 | ** o sRef's derived from modifies spec (i.e., more specific than | |
1445 | ** what was specified) | |
1446 | ** | |
1447 | ** Otherwise, if sr has modifies it must match sr. | |
1448 | ** | |
1449 | ** If it doesn't have modifies, set them to sr. | |
1450 | */ | |
1451 | ||
28bf4b0b | 1452 | static bool |
1453 | uentry_checkModifiesContext (void) | |
616915dd | 1454 | { |
1455 | if (sRef_modInFunction ()) | |
1456 | { | |
1457 | llparseerror | |
28bf4b0b | 1458 | (message |
1459 | ("Modifies list not in function context. " | |
1460 | "A modifies list can only appear following the parameter list " | |
1461 | "in a function declaration or header.")); | |
1462 | ||
1463 | return FALSE; | |
616915dd | 1464 | } |
28bf4b0b | 1465 | |
1466 | return TRUE; | |
1467 | } | |
616915dd | 1468 | |
28bf4b0b | 1469 | void |
1470 | uentry_setModifies (uentry ue, /*@owned@*/ sRefSet sr) | |
1471 | { | |
1472 | if (!uentry_checkModifiesContext ()) | |
616915dd | 1473 | { |
28bf4b0b | 1474 | sRefSet_free (sr); |
1475 | return; | |
616915dd | 1476 | } |
1477 | ||
1478 | if (uentry_isValid (ue)) | |
1479 | { | |
1480 | if (uentry_isIter (ue)) | |
1481 | { | |
1482 | llassert (sRefSet_isUndefined (ue->info->iter->mods)); | |
1483 | ue->info->iter->mods = sr; | |
1484 | } | |
1485 | else | |
1486 | { | |
1487 | if (uentry_isVariable (ue) && ctype_isFunction (uentry_getType (ue))) | |
1488 | { | |
1489 | uentry_makeVarFunction (ue); | |
1490 | } | |
1491 | ||
1492 | llassertfatal (uentry_isFunction (ue)); | |
1493 | llassert (sRefSet_isUndefined (ue->info->fcn->mods)); | |
1494 | ||
1495 | ue->info->fcn->mods = sr; | |
1496 | ue->info->fcn->hasMods = TRUE; | |
1497 | ||
1498 | checkGlobalsModifies (ue, sr); | |
1499 | } | |
1500 | ||
1501 | if (context_getFlag (FLG_MODIFIESIMPNOGLOBALS)) | |
1502 | { | |
1503 | ue->info->fcn->hasGlobs = TRUE; | |
1504 | } | |
28bf4b0b | 1505 | |
1506 | if (sRefSet_hasStatic (ue->info->fcn->mods)) | |
1507 | { | |
1508 | context_recordFileModifies (ue->info->fcn->mods); | |
1509 | } | |
616915dd | 1510 | } |
1511 | else | |
1512 | { | |
1513 | sRefSet_free (sr); | |
1514 | } | |
1515 | } | |
1516 | ||
28bf4b0b | 1517 | static void |
1518 | uentry_combineModifies (uentry ue, /*@owned@*/ sRefSet sr) | |
1519 | { | |
1520 | /* | |
1521 | ** Function already has one modifies clause (possibly from | |
1522 | ** a specification). | |
1523 | */ | |
1524 | ||
1525 | if (!uentry_checkModifiesContext ()) | |
1526 | { | |
1527 | BADBRANCH; | |
1528 | } | |
1529 | ||
1530 | llassert (uentry_isValid (ue)); | |
1531 | ||
1532 | if (uentry_isIter (ue)) | |
1533 | { | |
1534 | ue->info->iter->mods = sRefSet_unionFree (ue->info->iter->mods, sr); | |
1535 | } | |
1536 | else | |
1537 | { | |
1538 | llassertfatal (uentry_isFunction (ue)); | |
1539 | llassert (ue->info->fcn->hasMods); | |
1540 | ||
1541 | checkGlobalsModifies (ue, sr); | |
1542 | ue->info->fcn->mods = sRefSet_unionFree (ue->info->fcn->mods, sr); | |
1543 | ||
1544 | if (context_getFlag (FLG_MODIFIESIMPNOGLOBALS)) | |
1545 | { | |
1546 | ue->info->fcn->hasGlobs = TRUE; | |
1547 | } | |
1548 | } | |
1549 | ||
1550 | if (sRefSet_hasStatic (ue->info->fcn->mods)) | |
1551 | { | |
1552 | context_recordFileModifies (ue->info->fcn->mods); | |
1553 | } | |
1554 | } | |
1555 | ||
1556 | bool uentry_hasWarning (uentry ue) | |
1557 | { | |
1558 | return (uentry_isValid (ue) | |
1559 | && warnClause_isDefined (ue->warn)); | |
1560 | } | |
1561 | ||
1562 | void uentry_addWarning (uentry ue, /*@only@*/ warnClause warn) | |
1563 | { | |
1564 | llassert (warnClause_isUndefined (ue->warn)); | |
1565 | ue->warn = warn; | |
1566 | } | |
1567 | ||
616915dd | 1568 | void |
920a3797 | 1569 | uentry_setPreconditions (uentry ue, /*@only@*/ constraintList preconditions) |
616915dd | 1570 | { |
1571 | if (sRef_modInFunction ()) | |
1572 | { | |
1573 | llparseerror | |
1574 | (message ("Precondition list not in function context. " | |
1575 | "A precondition list can only appear following the parameter list " | |
1576 | "in a function declaration or header.")); | |
1577 | ||
1578 | /*@-mustfree@*/ return; /*@=mustfree@*/ | |
1579 | } | |
1580 | ||
1581 | if (uentry_isValid (ue)) | |
1582 | { | |
1583 | { | |
1584 | if (uentry_isVariable (ue) && ctype_isFunction (uentry_getType (ue))) | |
1585 | { | |
1586 | uentry_makeVarFunction (ue); | |
1587 | } | |
1588 | ||
1589 | llassertfatal (uentry_isFunction (ue)); | |
1590 | // llassert (sRefSet_isUndefined (ue->info->fcn->mods)); | |
bb25bea6 | 1591 | |
28bf4b0b | 1592 | if (constraintList_isDefined(ue->info->fcn->preconditions) ) |
bb25bea6 | 1593 | { |
1594 | constraintList_free(ue->info->fcn->preconditions); | |
1595 | ue->info->fcn->preconditions = preconditions; | |
1596 | } | |
1597 | else | |
1598 | ue->info->fcn->preconditions = preconditions; | |
616915dd | 1599 | } |
1600 | ||
1601 | } | |
1602 | else | |
1603 | { | |
920a3797 | 1604 | llfatalbug ( (message("uentry_setPreconditions called with invalid uentry") )); |
616915dd | 1605 | } |
1606 | } | |
1607 | ||
1608 | /* | |
1609 | drl | |
1610 | added 12/28/2000 | |
1611 | */ | |
1612 | void | |
920a3797 | 1613 | uentry_setPostconditions (uentry ue, /*@only@*/ constraintList postconditions) |
616915dd | 1614 | { |
1615 | if (sRef_modInFunction ()) | |
1616 | { | |
1617 | llparseerror | |
1618 | (message ("Postcondition list not in function context. " | |
1619 | "A postcondition list can only appear following the parameter list " | |
1620 | "in a function declaration or header.")); | |
1621 | ||
1622 | /*@-mustfree@*/ return; /*@=mustfree@*/ | |
1623 | } | |
1624 | ||
1625 | if (uentry_isValid (ue)) | |
1626 | { | |
1627 | { | |
1628 | if (uentry_isVariable (ue) && ctype_isFunction (uentry_getType (ue))) | |
1629 | { | |
1630 | uentry_makeVarFunction (ue); | |
1631 | } | |
1632 | ||
1633 | llassertfatal (uentry_isFunction (ue)); | |
1634 | // llassert (sRefSet_isUndefined (ue->info->fcn->mods)); | |
bb25bea6 | 1635 | |
28bf4b0b | 1636 | if (constraintList_isUndefined(ue->info->fcn->postconditions) ) |
bb25bea6 | 1637 | ue->info->fcn->postconditions = postconditions; |
1638 | else | |
1639 | { | |
1640 | constraintList_free(ue->info->fcn->postconditions); | |
1641 | ue->info->fcn->postconditions = postconditions; | |
1642 | } | |
1643 | ||
616915dd | 1644 | } |
1645 | ||
1646 | } | |
1647 | else | |
1648 | { | |
920a3797 | 1649 | llfatalbug ( (message("uentry_setPostconditions called with invalid uentry") )); |
616915dd | 1650 | } |
1651 | } | |
1652 | ||
1653 | /* | |
1654 | ** requires: new and old are functions | |
1655 | */ | |
1656 | ||
1657 | static void | |
1658 | checkGlobalsConformance (/*@notnull@*/ uentry old, | |
1659 | /*@notnull@*/ uentry unew, | |
1660 | bool mustConform, bool completeConform) | |
1661 | { | |
1662 | bool hasInternalState = FALSE; | |
1663 | ||
1664 | old->info->fcn->hasGlobs |= unew->info->fcn->hasGlobs; | |
1665 | ||
1666 | if (globSet_isDefined (unew->info->fcn->globs)) | |
1667 | { | |
1668 | globSet_allElements (unew->info->fcn->globs, el) | |
1669 | { | |
1670 | if (sRef_isFileStatic (el)) | |
1671 | { | |
1672 | sRef sr = globSet_lookup (old->info->fcn->globs, el); | |
1673 | ||
1674 | if (sRef_isInvalid (sr)) | |
1675 | { | |
1676 | bool hasError = FALSE; | |
1677 | ||
1678 | if (!hasInternalState | |
1679 | && sRef_isInvalid (globSet_lookup (old->info->fcn->globs, | |
1680 | sRef_makeInternalState ())) | |
1681 | && sRef_isInvalid (globSet_lookup (old->info->fcn->globs, | |
1682 | sRef_makeSpecState ()))) | |
1683 | { | |
1684 | if (mustConform | |
1685 | && !uentry_isStatic (old) | |
1686 | && optgenerror | |
1687 | (FLG_INCONDEFS, | |
1688 | message ("Globals list for %q includes internal state, %q, " | |
1689 | "but %s without globals internalState.", | |
1690 | uentry_getName (old), | |
1691 | sRef_unparse (el), | |
1692 | uentry_specOrDefName (old)), | |
1693 | uentry_whereLast (unew))) | |
1694 | { | |
1695 | uentry_showWhereSpecified (old); | |
1696 | hasError = TRUE; | |
1697 | } | |
1698 | ||
1699 | old->info->fcn->globs = globSet_insert (old->info->fcn->globs, | |
1700 | sRef_makeInternalState ()); | |
1701 | hasInternalState = TRUE; | |
1702 | } | |
1703 | ||
1704 | if (!hasError | |
1705 | && fileloc_sameFile (uentry_whereDeclared (unew), | |
1706 | uentry_whereDeclared (old))) | |
1707 | { | |
1708 | if (mustConform | |
1709 | && optgenerror | |
1710 | (FLG_INCONDEFS, | |
1711 | message ("Function %q inconsistently %rdeclared (in " | |
1712 | "same file) with file static global %q in " | |
1713 | "globals list", | |
1714 | uentry_getName (unew), | |
1715 | uentry_isDeclared (old), | |
1716 | sRef_unparse (el)), | |
1717 | uentry_whereDeclared (unew))) | |
1718 | { | |
1719 | uentry_showWhereSpecified (old); | |
1720 | } | |
1721 | } | |
1722 | } | |
1723 | ||
1724 | old->info->fcn->globs = globSet_insert (old->info->fcn->globs, el); | |
1725 | context_recordFileGlobals (old->info->fcn->globs); | |
1726 | } | |
1727 | else | |
1728 | { | |
1729 | sRef sr = globSet_lookup (old->info->fcn->globs, el); | |
1730 | ||
1731 | if (sRef_isInvalid (sr)) | |
1732 | { | |
1733 | if (mustConform | |
1734 | && optgenerror | |
1735 | (FLG_INCONDEFS, | |
1736 | message ("Function %q inconsistently %rdeclared with " | |
1737 | "%q in globals list", | |
1738 | uentry_getName (unew), | |
1739 | uentry_isDeclared (old), | |
1740 | sRef_unparse (el)), | |
1741 | uentry_whereDeclared (unew))) | |
1742 | { | |
1743 | old->info->fcn->globs = globSet_insert (old->info->fcn->globs, el); | |
1744 | uentry_showWhereSpecified (old); | |
1745 | } | |
1746 | } | |
1747 | else | |
1748 | { | |
1749 | if (!bool_equal (sRef_isAllocated (el), sRef_isAllocated (sr))) | |
1750 | { | |
1751 | if (mustConform | |
1752 | && optgenerror | |
1753 | (FLG_INCONDEFS, | |
1754 | message | |
1755 | ("Function %q global %q inconsistently " | |
1756 | "%rdeclared as %qout global", | |
1757 | uentry_getName (unew), | |
1758 | sRef_unparse (el), | |
1759 | uentry_isDeclared (old), | |
1760 | cstring_makeLiteral (sRef_isAllocated (el) ? "" : "non-")), | |
1761 | uentry_whereDeclared (unew))) | |
1762 | { | |
1763 | uentry_showWhereSpecified (old); | |
1764 | } | |
1765 | } | |
1766 | } | |
1767 | } | |
1768 | } end_globSet_allElements ; | |
1769 | ||
1770 | if (completeConform) | |
1771 | { | |
1772 | globSet_allElements (old->info->fcn->globs, el) | |
1773 | { | |
1774 | sRef sr = globSet_lookup (unew->info->fcn->globs, el); | |
1775 | ||
1776 | if (sRef_isInvalid (sr)) | |
1777 | { | |
1778 | if (mustConform | |
1779 | && uentry_isReallySpecified (old) | |
1780 | && optgenerror | |
1781 | (FLG_NEEDSPEC, | |
1782 | message ("Function %q specified with %q in globals list, " | |
1783 | "but declared without %q", | |
1784 | uentry_getName (unew), | |
1785 | sRef_unparse (el), | |
1786 | sRef_unparse (el)), | |
1787 | uentry_whereDeclared (unew))) | |
1788 | { | |
1789 | uentry_showWhereSpecified (old); | |
1790 | } | |
1791 | } | |
1792 | } end_globSet_allElements; | |
1793 | } | |
1794 | } | |
1795 | else | |
1796 | { | |
1797 | if (completeConform && !globSet_isEmpty (old->info->fcn->globs)) | |
1798 | { | |
1799 | if (uentry_isReallySpecified (old) | |
1800 | && optgenerror | |
1801 | (FLG_NEEDSPEC, | |
1802 | message ("%s %q specified with globals list, but " | |
1803 | "declared with no globals", | |
1804 | ekind_capName (unew->ukind), | |
1805 | uentry_getName (unew)), | |
1806 | uentry_whereDeclared (unew))) | |
1807 | { | |
1808 | llgenindentmsg | |
1809 | (message ("Specification globals: %q", | |
1810 | globSet_unparse (old->info->fcn->globs)), | |
1811 | uentry_whereSpecified (old)); | |
1812 | } | |
1813 | } | |
1814 | ||
28bf4b0b | 1815 | unew->info->fcn->globs = globSet_copyInto (unew->info->fcn->globs, |
1816 | old->info->fcn->globs); | |
616915dd | 1817 | } |
1818 | } | |
1819 | ||
1820 | /* | |
1821 | ** new modifies list must be included by old modifies list. | |
1822 | ** | |
1823 | ** file static state may be added to new, if old has internal. | |
1824 | */ | |
1825 | ||
1826 | static void | |
1827 | checkModifiesConformance (/*@notnull@*/ uentry old, /*@notnull@*/ uentry unew, | |
1828 | bool mustConform, bool completeConform) | |
1829 | { | |
1830 | sRefSet newMods; | |
1831 | bool changedMods = FALSE; | |
1832 | bool modInternal = FALSE; | |
1833 | ||
1834 | llassert (uentry_isFunction (old) && uentry_isFunction (unew)); | |
1835 | ||
1836 | old->info->fcn->hasMods |= unew->info->fcn->hasMods; | |
1837 | newMods = unew->info->fcn->mods; | |
1838 | ||
1839 | if (sRefSet_isEmpty (newMods)) | |
1840 | { | |
1841 | if (completeConform && !sRefSet_isEmpty (old->info->fcn->mods) | |
1842 | && uentry_isReallySpecified (old)) | |
1843 | { | |
1844 | if (optgenerror | |
1845 | (FLG_NEEDSPEC, | |
1846 | message ("%s %q specified with modifies clause, " | |
1847 | "but declared with no modifies clause", | |
1848 | ekind_capName (unew->ukind), | |
1849 | uentry_getName (unew)), | |
1850 | uentry_whereDeclared (unew))) | |
1851 | { | |
1852 | llgenindentmsg (message ("Specification has modifies %q", | |
1853 | sRefSet_unparse (old->info->fcn->mods)), | |
1854 | uentry_whereSpecified (old)); | |
1855 | } | |
1856 | } | |
1857 | ||
1858 | return; | |
1859 | } | |
1860 | ||
1861 | sRefSet_allElements (newMods, current) | |
1862 | { | |
1863 | if (sRef_isValid (current)) | |
1864 | { | |
1865 | sRef rb = sRef_getRootBase (current); | |
1866 | ||
1867 | if (sRef_isFileStatic (rb)) | |
1868 | { | |
1869 | if (!modInternal) | |
1870 | { | |
1871 | if (!sRefSet_isSameMember (old->info->fcn->mods, | |
1872 | sRef_makeInternalState ()) | |
1873 | && !sRefSet_isSameMember (old->info->fcn->mods, | |
1874 | sRef_makeSpecState ())) | |
1875 | { | |
1876 | if (mustConform | |
1877 | && !uentry_isStatic (old) | |
1878 | && optgenerror | |
1879 | (FLG_INCONDEFS, | |
1880 | message | |
1881 | ("Modifies list for %q includes internal state, " | |
1882 | "but %s without modifies internal.", | |
1883 | uentry_getName (old), | |
1884 | uentry_specOrDefName (old)), | |
1885 | uentry_whereLast (unew))) | |
1886 | { | |
1887 | uentry_showWhereSpecified (old); | |
1888 | } | |
1889 | ||
1890 | old->info->fcn->mods = | |
1891 | sRefSet_insert (old->info->fcn->mods, | |
1892 | sRef_makeInternalState ()); | |
1893 | modInternal = TRUE; | |
1894 | } | |
1895 | } | |
1896 | ||
1897 | old->info->fcn->mods = sRefSet_insert (old->info->fcn->mods, | |
1898 | current); | |
1899 | changedMods = TRUE; | |
1900 | } | |
1901 | else | |
1902 | { | |
1903 | if (sRef_canModifyVal (current, old->info->fcn->mods)) | |
1904 | { | |
1905 | int size = sRefSet_size (old->info->fcn->mods); | |
1906 | ||
1907 | old->info->fcn->mods = sRefSet_insert (old->info->fcn->mods, | |
1908 | current); | |
1909 | ||
1910 | if (sRefSet_size (old->info->fcn->mods) != size) | |
1911 | { | |
1912 | changedMods = TRUE; | |
1913 | } | |
1914 | } | |
1915 | else | |
1916 | { | |
1917 | if (mustConform | |
1918 | && optgenerror | |
1919 | (FLG_INCONDEFS, | |
1920 | message | |
1921 | ("Modifies list for %q contains %q, not modifiable " | |
1922 | "according to %s", | |
1923 | uentry_getName (old), | |
1924 | sRef_unparse (current), | |
1925 | uentry_specDeclName (old)), | |
1926 | uentry_whereLast (unew))) | |
1927 | { | |
1928 | uentry_showWhereSpecified (old); | |
1929 | } | |
1930 | } | |
1931 | } | |
1932 | } | |
1933 | } end_sRefSet_allElements; | |
1934 | ||
1935 | if (completeConform && uentry_isReallySpecified (old)) | |
1936 | { | |
1937 | sRefSet_allElements (old->info->fcn->mods, el) | |
1938 | { | |
1939 | if (sRef_canModify (el, newMods)) | |
1940 | { | |
1941 | ; /* okay */ | |
1942 | } | |
1943 | else | |
1944 | { | |
1945 | if (optgenerror | |
1946 | (FLG_NEEDSPEC, | |
1947 | message | |
1948 | ("Specification modifies clause for %q contains %q, " | |
1949 | "not included in declaration modifies clause", | |
1950 | uentry_getName (old), | |
1951 | sRef_unparse (el)), | |
1952 | uentry_whereLast (unew))) | |
1953 | { | |
1954 | uentry_showWhereSpecified (old); | |
1955 | } | |
1956 | } | |
1957 | } end_sRefSet_allElements ; | |
1958 | } | |
1959 | ||
1960 | /* | |
1961 | ** Make sure file static elements will be removed. | |
1962 | */ | |
1963 | ||
1964 | if (changedMods) | |
1965 | { | |
1966 | context_recordFileModifies (old->info->fcn->mods); | |
1967 | } | |
1968 | } | |
1969 | ||
1970 | static void | |
1971 | uentry_checkMutableType (uentry ue) | |
1972 | { | |
1973 | ctype ct = uentry_getType (ue); | |
1974 | ||
1975 | if (!ctype_isRealPointer (ct) && !ctype_isRealAbstract (ct)) | |
1976 | { | |
28bf4b0b | 1977 | DPRINTF (("Check mutable: %s", uentry_unparseFull (ue))); |
1978 | ||
616915dd | 1979 | voptgenerror (FLG_MUTREP, |
1980 | message ("Mutable abstract type %q declared without pointer " | |
1981 | "indirection: %t (violates assignment semantics)", | |
1982 | uentry_getName (ue), ct), | |
1983 | uentry_whereDeclared (ue)); | |
1984 | } | |
1985 | } | |
1986 | ||
1987 | void | |
1988 | uentry_setMutable (uentry e) | |
1989 | { | |
1990 | llassert (uentry_isDatatype (e)); | |
1991 | e->info->datatype->mut = YES; | |
1992 | } | |
1993 | ||
1994 | static void | |
1995 | uentry_checkIterArgs (uentry ue) | |
1996 | { | |
1997 | bool hasYield = FALSE; | |
1998 | uentryList args; | |
1999 | ||
2000 | llassert (uentry_isIter (ue)); | |
2001 | ||
2002 | args = uentry_getParams (ue); | |
2003 | ||
2004 | uentryList_elements (args, el) | |
2005 | { | |
2006 | sstate ds = uentry_getDefState (el); | |
2007 | ||
2008 | if (uentry_isYield (el)) | |
2009 | { | |
2010 | hasYield = TRUE; | |
2011 | } | |
2012 | ||
2013 | if (sstate_isUnknown (ds)) | |
2014 | { | |
2015 | uentry_setDefState (el, SS_DEFINED); | |
2016 | } | |
2017 | else | |
2018 | { | |
2019 | ; | |
2020 | } | |
2021 | } end_uentryList_elements; | |
2022 | ||
2023 | if (!hasYield) | |
2024 | { | |
2025 | voptgenerror (FLG_HASYIELD, | |
2026 | message ("Iterator %q declared with no yield parameters", | |
2027 | uentry_getName (ue)), | |
2028 | uentry_whereDeclared (ue)); | |
2029 | } | |
2030 | } | |
2031 | ||
2032 | static chkind | |
2033 | chkind_fromQual (qual qel) | |
2034 | { | |
2035 | if (qual_isChecked (qel)) | |
2036 | { | |
2037 | return CH_CHECKED; | |
2038 | } | |
2039 | else if (qual_isCheckMod (qel)) | |
2040 | { | |
2041 | return CH_CHECKMOD; | |
2042 | } | |
2043 | else if (qual_isCheckedStrict (qel)) | |
2044 | { | |
2045 | return CH_CHECKEDSTRICT; | |
2046 | } | |
2047 | else if (qual_isUnchecked (qel)) | |
2048 | { | |
2049 | return CH_UNCHECKED; | |
2050 | } | |
2051 | else | |
2052 | { | |
2053 | BADEXIT; | |
2054 | /*@notreached@*/ return CH_UNKNOWN; | |
2055 | } | |
2056 | } | |
2057 | ||
2058 | static void | |
2059 | uentry_reflectOtherQualifier (/*@notnull@*/ uentry ue, qual qel) | |
2060 | { | |
2061 | if (qual_isKillRef (qel) || qual_isNewRef (qel) || qual_isTempRef (qel)) | |
2062 | { | |
2063 | if (!uentry_isRefCounted (ue)) | |
2064 | { | |
28bf4b0b | 2065 | voptgenerror |
2066 | (FLG_ANNOTATIONERROR, | |
616915dd | 2067 | message ("Reference counting qualifier %s used on non-reference " |
2068 | "counted storage: %q", | |
2069 | qual_unparse (qel), | |
28bf4b0b | 2070 | uentry_unparse (ue)), |
2071 | uentry_whereLast (ue)); | |
616915dd | 2072 | } |
2073 | else | |
2074 | { | |
2075 | alkind ak = alkind_fromQual (qel); | |
2076 | ||
2077 | uentry_setAliasKind (ue, ak); | |
2078 | } | |
2079 | } | |
2080 | else if (qual_isRefCounted (qel)) | |
2081 | { | |
2082 | ctype ct = ctype_realType (uentry_getType (ue)); | |
2083 | ctype rt; | |
2084 | ||
2085 | if (ctype_isPointer (ct) | |
2086 | && (ctype_isStruct (rt = ctype_realType (ctype_baseArrayPtr (ct))))) | |
2087 | { | |
2088 | /* check there is a refs field */ | |
2089 | uentryList fields = ctype_getFields (rt); | |
2090 | uentry refs = uentry_undefined; | |
2091 | ||
2092 | uentryList_elements (fields, field) | |
2093 | { | |
2094 | if (uentry_isRefsField (field)) | |
2095 | { | |
2096 | if (uentry_isValid (refs)) | |
2097 | { | |
28bf4b0b | 2098 | voptgenerror |
2099 | (FLG_ANNOTATIONERROR, | |
616915dd | 2100 | message ("Reference counted structure type %s has " |
2101 | "multiple refs fields: %q and %q", | |
2102 | ctype_unparse (ct), | |
2103 | uentry_getName (refs), | |
28bf4b0b | 2104 | uentry_getName (field)), |
2105 | uentry_whereLast (field)); | |
616915dd | 2106 | } |
2107 | ||
2108 | refs = field; | |
2109 | } | |
2110 | } end_uentryList_elements; | |
2111 | ||
2112 | if (uentry_isInvalid (refs)) | |
2113 | { | |
2114 | vgenhinterror | |
2115 | (FLG_SYNTAX, | |
2116 | message ("Reference counted structure type %s has " | |
2117 | "no refs field", | |
2118 | ctype_unparse (ct)), | |
2119 | cstring_makeLiteral | |
2120 | ("To count reference, the structure must have a field named " | |
2121 | "refs of type int."), | |
2122 | g_currentloc); | |
2123 | } | |
2124 | else if (!ctype_isInt (uentry_getType (refs))) | |
2125 | { | |
28bf4b0b | 2126 | voptgenerror |
2127 | (FLG_ANNOTATIONERROR, | |
616915dd | 2128 | message ("Reference counted structure type %s refs field has " |
2129 | "type %s (should be int)", ctype_unparse (ct), | |
28bf4b0b | 2130 | ctype_unparse (uentry_getType (refs))), |
2131 | uentry_whereLast (refs)); | |
616915dd | 2132 | } |
2133 | else | |
2134 | { | |
2135 | sRef_setAliasKind (ue->sref, alkind_fromQual (qel), | |
2136 | uentry_whereDeclared (ue)); | |
2137 | } | |
2138 | } | |
2139 | else | |
2140 | { | |
2141 | if ((ctype_isPointer (ct) | |
2142 | && ctype_isUnknown (ctype_realType (ctype_baseArrayPtr (ct)))) | |
2143 | ||ctype_isAbstract (ct) || ctype_isUnknown (ct)) | |
2144 | { | |
2145 | sRef_setAliasKind (ue->sref, alkind_fromQual (qel), | |
2146 | uentry_whereDeclared (ue)); | |
2147 | } | |
2148 | else | |
2149 | { | |
28bf4b0b | 2150 | voptgenerror |
2151 | (FLG_ANNOTATIONERROR, | |
616915dd | 2152 | message ("Non-pointer to structure type %s declared with " |
2153 | "refcounted qualifier", | |
28bf4b0b | 2154 | ctype_unparse (ct)), |
2155 | uentry_whereLast (ue)); | |
616915dd | 2156 | } |
2157 | } | |
2158 | } | |
2159 | else if (qual_isRefs (qel)) | |
2160 | { | |
2161 | if (uentry_isVariable (ue) && !uentry_isParam (ue)) | |
2162 | { | |
2163 | uentry_setAliasKind (ue, AK_REFS); | |
2164 | } | |
2165 | else | |
2166 | { | |
28bf4b0b | 2167 | voptgenerror |
2168 | (FLG_ANNOTATIONERROR, | |
616915dd | 2169 | message ("Refs qualifier used on non-structure field: %q", |
28bf4b0b | 2170 | uentry_unparse (ue)), |
2171 | uentry_whereLast (ue)); | |
616915dd | 2172 | } |
2173 | } | |
2174 | else if (qual_isAliasQual (qel)) | |
2175 | { | |
2176 | alkind ak = alkind_fromQual (qel); | |
2177 | bool okay = TRUE; | |
2178 | alkind oldak = uentry_getAliasKind (ue); | |
2179 | ctype ut = uentry_getType (ue); | |
2180 | ||
2181 | if (alkind_isImplicit (ak) | |
2182 | && (alkind_isKnown (oldak) && !alkind_isImplicit (oldak))) | |
2183 | { | |
2184 | /* ignore the implied qualifier */ | |
2185 | okay = FALSE; | |
2186 | } | |
2187 | ||
2188 | if (uentry_isEitherConstant (ue)) | |
2189 | { | |
28bf4b0b | 2190 | voptgenerror |
2191 | (FLG_ANNOTATIONERROR, | |
616915dd | 2192 | message ("Alias qualifier %s used on constant: %q", |
28bf4b0b | 2193 | alkind_unparse (ak), uentry_unparse (ue)), |
2194 | uentry_whereLast (ue)); | |
2195 | ||
616915dd | 2196 | okay = FALSE; |
2197 | } | |
2198 | ||
2199 | if (ctype_isFunction (ut)) | |
2200 | { | |
28bf4b0b | 2201 | ut = ctype_getReturnType (ut); |
616915dd | 2202 | } |
2203 | ||
2204 | if (!(ctype_isVisiblySharable (ut) | |
2205 | || ctype_isRealArray (ut) | |
2206 | || ctype_isRealSU (ut))) | |
2207 | { | |
2208 | if (!qual_isImplied (qel)) | |
2209 | { | |
28bf4b0b | 2210 | voptgenerror |
2211 | (FLG_ANNOTATIONERROR, | |
616915dd | 2212 | message ("Alias qualifier %s used on unsharable storage type %t: %q", |
28bf4b0b | 2213 | alkind_unparse (ak), ut, uentry_getName (ue)), |
2214 | uentry_whereLast (ue)); | |
616915dd | 2215 | } |
2216 | ||
2217 | okay = FALSE; | |
2218 | } | |
2219 | else | |
2220 | { | |
2221 | if (uentry_isRefCounted (ue)) | |
2222 | { | |
2223 | if (!(qual_isRefQual (qel) || qual_isOnly (qel) | |
2224 | || qual_isExposed (qel) | |
2225 | || qual_isObserver (qel))) | |
2226 | { | |
2227 | if (!qual_isImplied (qel)) | |
2228 | { | |
28bf4b0b | 2229 | voptgenerror |
2230 | (FLG_ANNOTATIONERROR, | |
616915dd | 2231 | message |
2232 | ("Alias qualifier %s used on reference counted storage: %q", | |
2233 | alkind_unparse (ak), | |
28bf4b0b | 2234 | uentry_unparse (ue)), |
2235 | uentry_whereLast (ue)); | |
616915dd | 2236 | } |
2237 | ||
2238 | okay = FALSE; | |
2239 | } | |
2240 | } | |
2241 | else | |
2242 | { | |
2243 | if (qual_isRefQual (qel)) | |
2244 | { | |
28bf4b0b | 2245 | voptgenerror |
2246 | (FLG_ANNOTATIONERROR, | |
616915dd | 2247 | message ("Qualifier %s used on non-reference counted storage: %q", |
28bf4b0b | 2248 | alkind_unparse (ak), uentry_unparse (ue)), |
2249 | uentry_whereLast (ue)); | |
616915dd | 2250 | |
2251 | okay = FALSE; | |
2252 | } | |
2253 | } | |
2254 | } | |
2255 | ||
2256 | if (okay) | |
2257 | { | |
2258 | uentry_setAliasKind (ue, ak); | |
2259 | } | |
2260 | } | |
2261 | else if (qual_isNull (qel)) | |
2262 | { | |
2263 | if (uentry_isConstant (ue)) | |
2264 | { | |
2265 | sRef_setNullState | |
2266 | (ue->sref, | |
2267 | ctype_isAbstract (ue->utype) ? NS_CONSTNULL : NS_DEFNULL, | |
2268 | uentry_whereDeclared (ue)); | |
2269 | } | |
2270 | else | |
2271 | { | |
2272 | uentry_setNullState (ue, NS_POSNULL); | |
2273 | } | |
2274 | } | |
2275 | else if (qual_isRelNull (qel)) | |
2276 | { | |
2277 | uentry_setNullState (ue, NS_RELNULL); | |
2278 | } | |
2279 | else if (qual_isNotNull (qel)) | |
2280 | { | |
2281 | uentry_setNullState (ue, NS_MNOTNULL); | |
2282 | } | |
2283 | else if (qual_isAbstract (qel) | |
2284 | || qual_isConcrete (qel)) | |
2285 | { | |
2286 | if (!uentry_isDatatype (ue)) | |
2287 | { | |
28bf4b0b | 2288 | voptgenerror |
2289 | (FLG_ANNOTATIONERROR, | |
616915dd | 2290 | message ("Qualifier %s used with non-datatype", |
28bf4b0b | 2291 | qual_unparse (qel)), |
2292 | uentry_whereLast (ue)); | |
616915dd | 2293 | } |
2294 | else | |
2295 | { | |
2296 | ue->info->datatype->abs = ynm_fromBool (qual_isAbstract (qel)); | |
2297 | } | |
2298 | } | |
2299 | else if (qual_isMutable (qel)) | |
2300 | { | |
2301 | if (!uentry_isDatatype (ue)) | |
2302 | { | |
28bf4b0b | 2303 | voptgenerror |
2304 | (FLG_ANNOTATIONERROR, | |
2305 | message ("Qualifier %s used with non-datatype", qual_unparse (qel)), | |
2306 | uentry_whereLast (ue)); | |
616915dd | 2307 | } |
2308 | else | |
2309 | { | |
2310 | if (!ynm_isOn (ue->info->datatype->mut)) | |
2311 | { | |
2312 | uentry_checkMutableType (ue); | |
2313 | } | |
2314 | ||
2315 | ue->info->datatype->mut = YES; | |
2316 | } | |
2317 | } | |
2318 | else if (qual_isImmutable (qel)) | |
2319 | { | |
2320 | if (!uentry_isDatatype (ue)) | |
2321 | { | |
28bf4b0b | 2322 | voptgenerror (FLG_ANNOTATIONERROR, |
2323 | message ("Qualifier %s used with non-datatype", | |
2324 | qual_unparse (qel)), | |
2325 | uentry_whereLast (ue)); | |
616915dd | 2326 | } |
2327 | else | |
2328 | { | |
2329 | ue->info->datatype->mut = NO; | |
2330 | } | |
2331 | } | |
2332 | else if (qual_isNullPred (qel)) | |
2333 | { | |
2334 | if (uentry_isVariable (ue) && ctype_isFunction (uentry_getType (ue))) | |
2335 | { | |
2336 | uentry_makeVarFunction (ue); | |
2337 | } | |
2338 | ||
2339 | if (uentry_isFunction (ue)) | |
2340 | { | |
2341 | ctype typ = uentry_getType (ue); | |
28bf4b0b | 2342 | ctype rtype = ctype_getReturnType (uentry_getType (ue)); |
616915dd | 2343 | |
2344 | if (ctype_isRealBool (rtype)) | |
2345 | { | |
2346 | uentryList pl = ctype_argsFunction (typ); | |
2347 | ||
2348 | if (uentryList_size (pl) == 1) | |
2349 | { | |
2350 | ue->info->fcn->nullPred = qel; | |
2351 | } | |
2352 | else | |
2353 | { | |
28bf4b0b | 2354 | voptgenerror (FLG_ANNOTATIONERROR, |
2355 | message ("Qualifier %s used with function having %d " | |
2356 | "arguments (should have 1)", | |
2357 | qual_unparse (qel), | |
2358 | uentryList_size (pl)), | |
2359 | uentry_whereLast (ue)); | |
616915dd | 2360 | } |
2361 | } | |
2362 | else | |
2363 | { | |
28bf4b0b | 2364 | voptgenerror (FLG_ANNOTATIONERROR, |
2365 | message ("Qualifier %s used with function returning %s " | |
2366 | "(should return bool)", | |
2367 | qual_unparse (qel), | |
2368 | ctype_unparse (rtype)), | |
2369 | uentry_whereLast (ue)); | |
616915dd | 2370 | } |
2371 | } | |
2372 | else | |
2373 | { | |
28bf4b0b | 2374 | voptgenerror (FLG_ANNOTATIONERROR, |
2375 | message ("Qualifier %s used with non-function", | |
2376 | qual_unparse (qel)), | |
2377 | uentry_whereLast (ue)); | |
616915dd | 2378 | } |
2379 | } | |
2380 | else if (qual_isExitQual (qel)) | |
2381 | { | |
2382 | exitkind exk = exitkind_fromQual (qel); | |
2383 | ||
2384 | if (uentry_isFunction (ue)) | |
2385 | { | |
2386 | if (exitkind_isKnown (ue->info->fcn->exitCode)) | |
2387 | { | |
28bf4b0b | 2388 | voptgenerror (FLG_ANNOTATIONERROR, |
2389 | message ("Multiple exit qualifiers used on function %q: %s, %s", | |
2390 | uentry_getName (ue), | |
2391 | exitkind_unparse (ue->info->fcn->exitCode), | |
2392 | exitkind_unparse (exk)), | |
2393 | uentry_whereLast (ue)); | |
616915dd | 2394 | } |
2395 | ||
2396 | ue->info->fcn->exitCode = exk; | |
2397 | } | |
2398 | else | |
2399 | { | |
2400 | if (uentry_isVariable (ue) && ctype_isFunction (uentry_getType (ue))) | |
2401 | { | |
2402 | uentry_makeVarFunction (ue); | |
2403 | ue->info->fcn->exitCode = exk; | |
2404 | } | |
2405 | else | |
2406 | { | |
28bf4b0b | 2407 | voptgenerror (FLG_ANNOTATIONERROR, |
2408 | message ("Exit qualifier %s used with non-function (type %s)", | |
2409 | qual_unparse (qel), | |
2410 | ctype_unparse (uentry_getType (ue))), | |
2411 | uentry_whereLast (ue)); | |
2412 | } | |
2413 | } | |
2414 | } | |
2415 | else if (qual_isMetaState (qel)) | |
2416 | { | |
2417 | annotationInfo ainfo = qual_getAnnotationInfo (qel); | |
2418 | ||
2419 | if (annotationInfo_matchesContext (ainfo, ue)) | |
2420 | { | |
2421 | DPRINTF (("Reflecting %s on %s", | |
2422 | annotationInfo_unparse (ainfo), | |
2423 | uentry_unparseFull (ue))); | |
2424 | ||
2425 | sRef_reflectAnnotation (ue->sref, ainfo, g_currentloc); | |
2426 | DPRINTF (("==> %s", sRef_unparseFull (ue->sref))); | |
2427 | DPRINTF (("==> %s", uentry_unparseFull (ue))); | |
2428 | } | |
2429 | else | |
2430 | { | |
2431 | if (optgenerror | |
2432 | (FLG_ANNOTATIONERROR, | |
2433 | message ("Meta state anntation %s used in inconsistent context: %q", | |
2434 | qual_unparse (qel), | |
2435 | uentry_unparse (ue)), | |
2436 | uentry_whereLast (ue))) | |
2437 | { | |
2438 | /*@i! annotationInfo_showContextError (ainfo, ue); */ | |
616915dd | 2439 | } |
2440 | } | |
2441 | } | |
2442 | else | |
2443 | { | |
2444 | if (qual_isCQual (qel)) | |
2445 | { | |
2446 | ; /* okay */ | |
2447 | } | |
2448 | else | |
2449 | { | |
28bf4b0b | 2450 | llbug (message ("Unhandled qualifier: %s", qual_unparse (qel))); |
616915dd | 2451 | } |
2452 | } | |
2453 | } | |
2454 | ||
2455 | void | |
2456 | uentry_reflectQualifiers (uentry ue, qualList q) | |
2457 | { | |
2458 | llassert (uentry_isValid (ue)); | |
2459 | ||
2460 | qualList_elements (q, qel) | |
2461 | { | |
2462 | if (qual_isStatic (qel)) | |
2463 | { | |
2464 | uentry_setStatic (ue); | |
2465 | } | |
2466 | else if (qual_isUnused (qel)) | |
2467 | { | |
2468 | uentry_setUsed (ue, fileloc_undefined); | |
2469 | } | |
2470 | else if (qual_isExternal (qel)) | |
2471 | { | |
2472 | fileloc_free (ue->whereDefined); | |
2473 | ue->whereDefined = fileloc_createExternal (); | |
2474 | } | |
2475 | else if (qual_isSef (qel)) | |
2476 | { | |
2477 | if (uentry_isVariable (ue)) | |
2478 | { | |
2479 | vkind vk = ue->info->var->kind; | |
2480 | ||
2481 | llassert (vk != VKREFPARAM); | |
2482 | ||
2483 | if (vk == VKYIELDPARAM) | |
2484 | { | |
28bf4b0b | 2485 | voptgenerror |
2486 | (FLG_ANNOTATIONERROR, | |
616915dd | 2487 | message ("Qualifier sef cannot be used with %s: %q", |
2488 | cstring_makeLiteralTemp (vk == VKYIELDPARAM ? "yield" : "returned"), | |
28bf4b0b | 2489 | uentry_unparse (ue)), |
2490 | uentry_whereLast (ue)); | |
616915dd | 2491 | } |
2492 | else if (vk == VKRETPARAM) | |
2493 | { | |
2494 | ue->info->var->kind = VKSEFRETPARAM; | |
2495 | } | |
2496 | else | |
2497 | { | |
2498 | ue->info->var->kind = VKSEFPARAM; | |
2499 | } | |
2500 | } | |
2501 | else | |
2502 | { | |
28bf4b0b | 2503 | voptgenerror |
2504 | (FLG_ANNOTATIONERROR, | |
616915dd | 2505 | message ("Qualifier sef is meaningful only on parameters: %q", |
28bf4b0b | 2506 | uentry_unparse (ue)), |
2507 | uentry_whereLast (ue)); | |
616915dd | 2508 | } |
2509 | } | |
2510 | else if (qual_isExtern (qel)) | |
2511 | { | |
2512 | ue->storageclass = SCEXTERN; | |
2513 | } | |
2514 | else if (qual_isGlobalQual (qel)) /* undef, killed */ | |
2515 | { | |
28bf4b0b | 2516 | DPRINTF (("Reflecting qual: %s / %s", |
2517 | qual_unparse (qel), uentry_unparse (ue))); | |
2518 | ||
616915dd | 2519 | if (uentry_isVariable (ue)) |
2520 | { | |
2521 | sstate oldstate = ue->info->var->defstate; | |
2522 | sstate defstate = sstate_fromQual (qel); | |
2523 | ||
2524 | ||
2525 | if ((oldstate == SS_UNDEFGLOB && defstate == SS_KILLED) | |
2526 | || (oldstate == SS_KILLED && defstate == SS_UNDEFGLOB)) | |
2527 | { | |
2528 | defstate = SS_UNDEFKILLED; | |
2529 | } | |
2530 | else | |
2531 | { | |
2532 | ; /* any errors? */ | |
2533 | } | |
2534 | ||
2535 | sRef_setDefState (ue->sref, defstate, fileloc_undefined); | |
2536 | ue->info->var->defstate = defstate; | |
2537 | } | |
2538 | else | |
2539 | { | |
28bf4b0b | 2540 | voptgenerror |
2541 | (FLG_ANNOTATIONERROR, | |
616915dd | 2542 | message ("Qualifier %s used on non-variable: %q", |
28bf4b0b | 2543 | qual_unparse (qel), uentry_unparse (ue)), |
2544 | uentry_whereLast (ue)); | |
616915dd | 2545 | } |
28bf4b0b | 2546 | |
2547 | DPRINTF (("After: %s", uentry_unparseFull (ue))); | |
616915dd | 2548 | } |
2549 | /* start modifications */ | |
616915dd | 2550 | else if( qual_isBufQualifier(qel) ) { |
2551 | ctype ct = ctype_realType(uentry_getType(ue)); | |
616915dd | 2552 | if( ctype_isArray(ct) || ctype_isPointer(ct) ) { |
2553 | ||
2554 | if( uentry_hasBufStateInfo(ue) ) { | |
616915dd | 2555 | if( qual_isNullTerminated(qel) ) { /* handle Nullterm */ |
2556 | ||
2557 | if (uentry_isAnyParam(ue) || uentry_isReturned (ue)) { | |
2558 | /* If formal func param */ | |
2559 | uentry_setNullTerminatedState(ue); | |
2560 | uentry_setLen (ue, 1); | |
2561 | uentry_setSize (ue, 1); | |
2562 | ||
2563 | sRef_setNullTerminatedState(uentry_getSref(ue)); | |
2564 | sRef_setLen (uentry_getSref(ue), 1); | |
2565 | sRef_setSize (uentry_getSref(ue), 1); | |
2566 | } else { | |
2567 | uentry_setPossiblyNullTerminatedState(ue); | |
2568 | ||
2569 | sRef_setPossiblyNullTerminatedState(uentry_getSref(ue)); | |
2570 | } | |
2571 | ||
2572 | } | |
2573 | /* put other BufState Qualifiers here */ | |
2574 | } else { | |
2575 | cstring s = uentry_getName(ue); | |
2576 | llfatalbug(message("INTERNAL Error: we have a NULL BufState \ | |
2577 | struct for identifier %s\n", s) ); | |
2578 | } | |
2579 | } else if (ctype_isFunction (ct)) { /* We have to handle function */ | |
2580 | ||
2581 | sRef retSref = uentry_getSref (ue); | |
2582 | ctype retType = sRef_getType (retSref); | |
2583 | ||
2584 | if (ctype_isPointer (retType) || ctype_isArray (retType)) { | |
2585 | sRef_setNullTerminatedState (retSref); | |
2586 | ||
2587 | } else { | |
2588 | ||
2589 | llerror | |
2590 | (FLG_SYNTAX, | |
2591 | message ("Qualifier %s used on non-pointer on \ | |
2592 | function return: %q", qual_unparse (qel), | |
2593 | uentry_unparse (ue))); | |
2594 | } | |
2595 | } | |
2596 | ||
2597 | else { | |
2598 | llerror | |
2599 | (FLG_SYNTAX, | |
2600 | message ("Qualifier %s used on non-pointer: %q", | |
2601 | qual_unparse (qel), uentry_unparse (ue))); | |
2602 | } | |
28bf4b0b | 2603 | DPRINTF (("After: %s", uentry_unparseFull (ue))); |
616915dd | 2604 | }/* end else if */ |
2605 | else if (qual_isAllocQual (qel)) /* out, partial, reldef, special, etc. */ | |
2606 | { | |
2607 | ctype realType = ctype_realType (ue->utype); | |
2608 | sstate defstate = sstate_fromQual (qel); | |
2609 | ||
2610 | if (ctype_isFunction (realType)) | |
2611 | { | |
28bf4b0b | 2612 | realType = ctype_realType (ctype_getReturnType (realType)); |
616915dd | 2613 | } |
2614 | ||
2615 | if (qual_isRelDef (qel)) | |
2616 | { | |
2617 | ; /* okay anywhere */ | |
2618 | } | |
2619 | else | |
2620 | { | |
2621 | if (!ctype_isAP (realType) | |
2622 | && !ctype_isSU (realType) | |
2623 | && !ctype_isUnknown (realType) | |
2624 | && !ctype_isAbstract (ue->utype)) | |
2625 | { | |
28bf4b0b | 2626 | voptgenerror |
2627 | (FLG_ANNOTATIONERROR, | |
616915dd | 2628 | message ("Qualifier %s used on non-pointer or struct: %q", |
28bf4b0b | 2629 | qual_unparse (qel), uentry_unparse (ue)), |
2630 | uentry_whereLast (ue)); | |
616915dd | 2631 | } |
2632 | } | |
2633 | ||
2634 | uentry_setDefState (ue, defstate); | |
2635 | ||
2636 | if (sRef_isStateSpecial (ue->sref) | |
2637 | && alkind_isImplicit (sRef_getAliasKind (ue->sref))) | |
2638 | { | |
2639 | sRef_setAliasKind (ue->sref, AK_ERROR, fileloc_undefined); | |
2640 | } | |
2641 | } | |
2642 | else if (qual_isYield (qel)) | |
2643 | { | |
2644 | if (uentry_isVariable (ue)) | |
2645 | { | |
2646 | ue->info->var->kind = VKYIELDPARAM; | |
2647 | } | |
2648 | else | |
2649 | { | |
28bf4b0b | 2650 | voptgenerror |
2651 | (FLG_ANNOTATIONERROR, | |
616915dd | 2652 | message ("Qualifier %s used on non-iterator parameter: %q", |
28bf4b0b | 2653 | qual_unparse (qel), uentry_unparse (ue)), |
2654 | uentry_whereLast (ue)); | |
616915dd | 2655 | } |
2656 | } | |
2657 | else if (qual_isExQual (qel)) | |
2658 | { | |
2659 | exkind ek = exkind_fromQual (qel); | |
2660 | ctype ut = uentry_getType (ue); | |
2661 | ||
28bf4b0b | 2662 | DPRINTF (("Reflect ex qual: %s / %s", |
2663 | uentry_unparse (ue), exkind_unparse (ek))); | |
2664 | ||
616915dd | 2665 | if (ctype_isFunction (ut)) |
2666 | { | |
28bf4b0b | 2667 | ut = ctype_getReturnType (ut); |
616915dd | 2668 | } |
2669 | ||
2670 | if (!(ctype_isVisiblySharable (ut)) | |
2671 | && !(ctype_isArray (ut)) /* can apply to arrays also! */ | |
2672 | && !(ctype_isStruct (ctype_realType (ut)))) /* applies to structure fields! */ | |
2673 | { | |
2674 | if (!qual_isImplied (qel)) | |
2675 | { | |
28bf4b0b | 2676 | if (ctype_isImmutableAbstract (ut)) { |
2677 | voptgenerror | |
2678 | (FLG_REDUNDANTSHAREQUAL, | |
2679 | message ("Qualifier %s used on unsharable storage type %t: %q", | |
2680 | exkind_unparse (ek), ut, uentry_getName (ue)), | |
2681 | uentry_whereLast (ue)); | |
2682 | } else { | |
2683 | voptgenerror | |
2684 | (FLG_MISPLACEDSHAREQUAL, | |
2685 | message ("Qualifier %s used on unsharable storage type %t: %q", | |
2686 | exkind_unparse (ek), ut, uentry_getName (ue)), | |
2687 | uentry_whereLast (ue)); | |
2688 | } | |
616915dd | 2689 | } |
2690 | } | |
2691 | else | |
2692 | { | |
2693 | alkind ak = sRef_getAliasKind (ue->sref); | |
2694 | ||
2695 | sRef_setExKind (ue->sref, ek, uentry_whereDeclared (ue)); | |
28bf4b0b | 2696 | DPRINTF (("Set exkind: %s", sRef_unparseFull (ue->sref))); |
616915dd | 2697 | |
2698 | if (alkind_isUnknown (ak) || alkind_isImplicit (ak) || alkind_isStatic (ak)) | |
2699 | { | |
2700 | if (!alkind_isTemp (ak)) | |
2701 | { | |
28bf4b0b | 2702 | DPRINTF (("imp dep: %s", uentry_unparseFull (ue))); |
616915dd | 2703 | uentry_setAliasKind (ue, AK_IMPDEPENDENT); |
2704 | } | |
2705 | } | |
2706 | else if (alkind_isDependent (ak) || alkind_isTemp (ak) | |
2707 | || alkind_isOwned (ak)) | |
2708 | { | |
2709 | ; /* okay */ | |
2710 | } | |
2711 | else | |
2712 | { | |
2713 | llerror | |
2714 | (FLG_SYNTAX, | |
2715 | message ("Exposure qualifier %s used on %s storage (should " | |
2716 | "be dependent): %q", | |
2717 | qual_unparse (qel), | |
2718 | alkind_unparse (ak), | |
2719 | uentry_unparse (ue))); | |
2720 | } | |
2721 | } | |
2722 | } | |
2723 | else if (qual_isGlobCheck (qel)) | |
2724 | { | |
2725 | if (uentry_isVariable (ue)) | |
2726 | { | |
2727 | chkind ch = chkind_fromQual (qel); | |
2728 | ||
2729 | if (ue->info->var->checked != CH_UNKNOWN) | |
2730 | { | |
2731 | if (ch == ue->info->var->checked) | |
2732 | { | |
2733 | llerror (FLG_SYNTAX, | |
2734 | message ("Redundant %s qualifier on %q", | |
2735 | qual_unparse (qel), | |
2736 | uentry_getName (ue))); | |
2737 | } | |
2738 | else | |
2739 | { | |
2740 | llerror (FLG_SYNTAX, | |
2741 | message | |
2742 | ("Contradictory %s and %s qualifiers on %q", | |
2743 | qual_unparse (qel), | |
2744 | checkedName (ue->info->var->checked), | |
2745 | uentry_getName (ue))); | |
2746 | } | |
2747 | } | |
2748 | ||
2749 | ue->info->var->checked = ch; | |
2750 | } | |
2751 | else | |
2752 | { | |
2753 | llerror | |
2754 | (FLG_SYNTAX, | |
2755 | message ("Qualifier %s used with non-variable", | |
2756 | qual_unparse (qel))); | |
2757 | } | |
2758 | } | |
2759 | else if (qual_isReturned (qel)) | |
2760 | { | |
2761 | if (uentry_isVariable (ue)) | |
2762 | { | |
2763 | ue->info->var->kind = VKRETPARAM; | |
2764 | } | |
2765 | else | |
2766 | { | |
2767 | llerror (FLG_SYNTAX, message ("Qualifier %s used with non-variable", | |
2768 | qual_unparse (qel))); | |
2769 | } | |
2770 | } | |
2771 | else | |
2772 | { | |
2773 | uentry_reflectOtherQualifier (ue, qel); | |
2774 | } | |
2775 | ||
2776 | sRef_storeState (ue->sref); | |
2777 | } end_qualList_elements; | |
2778 | ||
2779 | qualList_clear (q); | |
2780 | } | |
2781 | ||
2782 | bool | |
2783 | uentry_isOnly (uentry ue) | |
2784 | { | |
2785 | return (!uentry_isUndefined (ue) | |
2786 | && uentry_isVariable (ue) | |
2787 | && alkind_isOnly (sRef_getOrigAliasKind (ue->sref))); | |
2788 | } | |
2789 | ||
2790 | static void | |
2791 | uentry_setAliasKind (/*@notnull@*/ uentry ue, alkind ak) | |
2792 | { | |
2793 | sRef_setAliasKind (ue->sref, ak, uentry_whereDeclared (ue)); | |
2794 | sRef_setOrigAliasKind (ue->sref, ak); | |
2795 | } | |
2796 | ||
2797 | static void | |
2798 | uentry_setNullState (/*@notnull@*/ uentry ue, nstate ns) | |
2799 | { | |
2800 | if (uentry_isVariable (ue)) | |
2801 | { | |
2802 | ue->info->var->nullstate = ns; | |
2803 | } | |
2804 | ||
2805 | sRef_setNullState (ue->sref, ns, uentry_whereDeclared (ue)); | |
2806 | } | |
2807 | ||
2808 | bool | |
2809 | uentry_isUnique (uentry ue) | |
2810 | { | |
2811 | return (!uentry_isUndefined (ue) | |
2812 | && uentry_isVariable (ue) | |
2813 | && alkind_isUnique (sRef_getOrigAliasKind (ue->sref))); | |
2814 | } | |
2815 | ||
2816 | bool | |
2817 | uentry_isFileStatic (uentry ue) | |
2818 | { | |
2819 | return (uentry_isStatic (ue) | |
2820 | && (!uentry_isVariable (ue) | |
2821 | || sRef_isFileStatic (uentry_getSref (ue)))); | |
2822 | } | |
2823 | ||
2824 | bool | |
2825 | uentry_isExported (uentry ue) | |
2826 | { | |
2827 | if (uentry_isValid (ue)) | |
2828 | { | |
2829 | if (uentry_isVariable (ue)) | |
2830 | { | |
2831 | return (sRef_isRealGlobal (uentry_getSref (ue))); | |
2832 | } | |
2833 | else | |
2834 | { | |
2835 | return !uentry_isStatic (ue); | |
2836 | } | |
2837 | } | |
2838 | ||
2839 | return FALSE; | |
2840 | } | |
2841 | ||
2842 | bool | |
2843 | uentry_isNonLocal (uentry ue) | |
2844 | { | |
2845 | return (uentry_isValid (ue) && uentry_isVariable (ue) | |
28bf4b0b | 2846 | && (sRef_isFileOrGlobalScope (ue->sref) || uentry_isStatic (ue))); |
2847 | } | |
2848 | ||
2849 | bool | |
2850 | uentry_isGlobalVariable (uentry ue) | |
2851 | { | |
2852 | return (uentry_isValid (ue) && uentry_isVariable (ue) | |
2853 | && sRef_isFileOrGlobalScope (ue->sref)); | |
616915dd | 2854 | } |
2855 | ||
2856 | bool | |
28bf4b0b | 2857 | uentry_isVisibleExternally (uentry ue) |
616915dd | 2858 | { |
28bf4b0b | 2859 | return (uentry_isValid (ue) |
2860 | && ((uentry_isVariable (ue) && sRef_isRealGlobal (ue->sref)) | |
2861 | || (!uentry_isStatic (ue) | |
2862 | && (uentry_isFunction (ue) | |
2863 | || uentry_isIter (ue) | |
2864 | || uentry_isEndIter (ue) | |
2865 | || uentry_isConstant (ue) | |
2866 | || uentry_isDatatype (ue) | |
2867 | || uentry_isAnyTag (ue))))); | |
616915dd | 2868 | } |
2869 | ||
2870 | bool | |
2871 | uentry_isPrintfLike (uentry ue) | |
2872 | { | |
2873 | return (uentry_isFunction (ue) | |
2874 | && (ue->info->fcn->specialCode == SPC_PRINTFLIKE)); | |
2875 | } | |
2876 | ||
2877 | bool | |
2878 | uentry_isScanfLike (uentry ue) | |
2879 | { | |
2880 | return (uentry_isFunction (ue) | |
2881 | && (ue->info->fcn->specialCode == SPC_SCANFLIKE)); | |
2882 | } | |
2883 | ||
2884 | bool | |
2885 | uentry_isMessageLike (uentry ue) | |
2886 | { | |
2887 | return (uentry_isFunction (ue) | |
2888 | && (ue->info->fcn->specialCode == SPC_MESSAGELIKE)); | |
2889 | } | |
2890 | ||
2891 | static void checkSpecialFunction (/*@notnull@*/ uentry ue) | |
2892 | { | |
2893 | uentryList args = uentry_getParams (ue); | |
2894 | ||
2895 | if (!uentryList_isMissingParams (args)) | |
2896 | { | |
2897 | uentry last = uentry_undefined; | |
2898 | ||
2899 | uentryList_elements (args, current) | |
2900 | { | |
2901 | if (uentry_isElipsisMarker (current)) | |
2902 | { | |
2903 | if (uentry_isUndefined (last)) | |
2904 | { | |
2905 | voptgenerror | |
2906 | (FLG_SYNTAX, | |
2907 | message ("Function %q is marked %s, but has no format " | |
2908 | "string argument before elipsis", | |
2909 | uentry_getName (ue), | |
2910 | specCode_unparse (ue->info->fcn->specialCode)), | |
2911 | uentry_whereLast (ue)); | |
2912 | ue->info->fcn->specialCode = SPC_NONE; | |
2913 | } | |
2914 | else | |
2915 | { | |
2916 | ctype rt = ctype_realType (uentry_getType (last)); | |
2917 | ||
2918 | if (!ctype_match (rt, ctype_string)) | |
2919 | { | |
2920 | bool okay = FALSE; | |
2921 | ||
2922 | /* wchar_t * is okay too */ | |
2923 | if (ctype_isAP (rt)) | |
2924 | { | |
2925 | ctype base = ctype_baseArrayPtr (rt); | |
2926 | ||
2927 | if (ctype_isArbitraryIntegral (base)) | |
2928 | { | |
2929 | okay = TRUE; | |
2930 | } | |
2931 | } | |
2932 | ||
2933 | if (!okay) | |
2934 | { | |
2935 | voptgenerror | |
2936 | (FLG_SYNTAX, | |
2937 | message ("Function %q is marked %s, but the argument " | |
2938 | "before the elipsis has type %s (should be char *)", | |
2939 | uentry_getName (ue), | |
2940 | specCode_unparse (ue->info->fcn->specialCode), | |
2941 | ctype_unparse (uentry_getType (last))), | |
2942 | uentry_whereLast (ue)); | |
2943 | ||
2944 | ue->info->fcn->specialCode = SPC_NONE; | |
2945 | } | |
2946 | } | |
2947 | } | |
2948 | return; | |
2949 | } | |
2950 | last = current; | |
2951 | } end_uentryList_elements ; | |
2952 | ||
2953 | voptgenerror | |
2954 | (FLG_SYNTAX, | |
2955 | message ("Function %q is marked %s, but has no elipsis parameter", | |
2956 | uentry_getName (ue), | |
2957 | specCode_unparse (ue->info->fcn->specialCode)), | |
2958 | uentry_whereLast (ue)); | |
2959 | ||
2960 | ue->info->fcn->specialCode = SPC_NONE; | |
2961 | } | |
2962 | } | |
2963 | ||
2964 | void | |
2965 | uentry_setPrintfLike (uentry ue) | |
2966 | { | |
2967 | if (uentry_isVariable (ue) && ctype_isFunction (uentry_getType (ue))) | |
2968 | { | |
2969 | uentry_makeVarFunction (ue); | |
2970 | } | |
2971 | ||
2972 | llassertfatal (uentry_isFunction (ue)); | |
2973 | ue->info->fcn->specialCode = SPC_PRINTFLIKE; | |
2974 | checkSpecialFunction (ue); | |
2975 | } | |
2976 | ||
2977 | void | |
2978 | uentry_setScanfLike (uentry ue) | |
2979 | { | |
2980 | if (uentry_isVariable (ue) && ctype_isFunction (uentry_getType (ue))) | |
2981 | { | |
2982 | uentry_makeVarFunction (ue); | |
2983 | } | |
2984 | ||
2985 | llassertfatal (uentry_isFunction (ue)); | |
2986 | ue->info->fcn->specialCode = SPC_SCANFLIKE; | |
2987 | checkSpecialFunction (ue); | |
2988 | } | |
2989 | ||
2990 | void | |
2991 | uentry_setMessageLike (uentry ue) | |
2992 | { | |
2993 | if (uentry_isVariable (ue) && ctype_isFunction (uentry_getType (ue))) | |
2994 | { | |
2995 | uentry_makeVarFunction (ue); | |
2996 | } | |
2997 | ||
2998 | llassertfatal (uentry_isFunction (ue)); | |
2999 | ue->info->fcn->specialCode = SPC_MESSAGELIKE; | |
3000 | checkSpecialFunction (ue); | |
3001 | } | |
3002 | ||
3003 | bool | |
3004 | uentry_isSpecialFunction (uentry ue) | |
3005 | { | |
3006 | return (uentry_isFunction (ue) | |
3007 | && (ue->info->fcn->specialCode != SPC_NONE)); | |
3008 | } | |
3009 | ||
3010 | /*@notnull@*/ uentry uentry_makeParam (idDecl t, int i) | |
3011 | { | |
3012 | ctype ct = idDecl_getCtype (t); | |
3013 | ctype base = ct; | |
3014 | sRef pref = sRef_makeParam (i, ct); | |
3015 | uentry ue = uentry_makeVariableSrefParam (idDecl_observeId (t), ct, pref); | |
3016 | ||
3017 | uentry_reflectQualifiers (ue, idDecl_getQuals (t)); | |
3018 | uentry_implicitParamAnnots (ue); | |
3019 | ||
3020 | /* Parameter type [][] or [x][] is invalid */ | |
3021 | ||
3022 | while (ctype_isFixedArray (base)) { | |
3023 | base = ctype_baseArrayPtr (base); | |
3024 | } | |
3025 | ||
3026 | if (ctype_isIncompleteArray (base)) { | |
3027 | base = ctype_baseArrayPtr (base); | |
3028 | ||
3029 | if (ctype_isArray (base)) { | |
3030 | if (!uentry_hasName (ue)) { | |
3031 | (void) optgenerror (FLG_INCOMPLETETYPE, | |
3032 | message ("Unnamed function parameter %d is incomplete type (inner array must have bounds): %s", | |
3033 | i + 1, | |
3034 | ctype_unparse (ct)), | |
3035 | uentry_whereLast (ue)); | |
3036 | } else { | |
3037 | (void) optgenerror (FLG_INCOMPLETETYPE, | |
3038 | message ("Function parameter %q is incomplete type (inner array must have bounds): %s", | |
3039 | uentry_getName (ue), | |
3040 | ctype_unparse (ct)), | |
3041 | uentry_whereLast (ue)); | |
3042 | } | |
3043 | } | |
3044 | } | |
3045 | ||
28bf4b0b | 3046 | DPRINTF (("Param: %s", uentry_unparseFull (ue))); |
616915dd | 3047 | return ue; |
3048 | } | |
3049 | ||
3050 | /*@only@*/ /*@notnull@*/ uentry uentry_makeIdVariable (idDecl t) | |
3051 | { | |
3052 | ctype ct = idDecl_getCtype (t); | |
3053 | ||
3054 | if (ctype_isFunction (ct)) | |
3055 | { | |
3056 | return (uentry_makeIdFunction (t)); | |
3057 | } | |
3058 | else | |
3059 | { | |
3060 | fileloc loc = setLocation (); | |
3061 | uentry ue = uentry_makeVariable (idDecl_observeId (t), ct, loc, FALSE); | |
3062 | ||
3063 | uentry_reflectQualifiers (ue, idDecl_getQuals (t)); | |
3064 | ||
3065 | if (!uentry_isExtern (ue)) | |
3066 | { | |
3067 | uentry_setDefined (ue, loc); | |
3068 | } | |
3069 | ||
3070 | return ue; | |
3071 | } | |
3072 | } | |
3073 | ||
3074 | # ifndef NOLCL | |
3075 | /*@notnull@*/ uentry uentry_makeVariableParam (cstring n, ctype t) | |
3076 | { | |
3077 | return (uentry_makeVariableParamAux (n, t, sRef_makeType (t), SS_DEFINED)); | |
3078 | } | |
3079 | # endif | |
3080 | ||
3081 | /* | |
3082 | ** constants | |
3083 | */ | |
3084 | ||
3085 | /*@only@*/ /*@notnull@*/ | |
3086 | uentry uentry_makeConstantAux (cstring n, ctype t, | |
3087 | /*@keep@*/ fileloc f, bool priv, | |
3088 | /*@only@*/ multiVal m) | |
3089 | { | |
3090 | uentry e = uentry_alloc (); | |
3091 | ||
3092 | e->ukind = KCONST; | |
3093 | e->uname = cstring_copy (n); | |
3094 | e->utype = t; | |
3095 | e->storageclass = SCNONE; | |
3096 | ||
28bf4b0b | 3097 | e->warn = warnClause_undefined; /*@i32 warnings for constants? */ |
3098 | ||
616915dd | 3099 | e->sref = sRef_makeConst (t); |
3100 | ||
3101 | e->lset = FALSE; | |
3102 | e->used = FALSE; | |
3103 | ||
3104 | e->uses = filelocList_new (); | |
3105 | e->isPrivate = priv; | |
3106 | e->hasNameError = FALSE; | |
3107 | ||
3108 | e->info = (uinfo) dmalloc (sizeof (*e->info)); | |
3109 | e->info->uconst = (ucinfo) dmalloc (sizeof (*e->info->uconst)); | |
3110 | e->info->uconst->val = m; | |
3111 | e->info->uconst->access = typeIdSet_undefined; | |
3112 | ||
3113 | uentry_setSpecDef (e, f); | |
3114 | ||
3115 | if (multiVal_isInt (m) && (multiVal_forceInt (m) == 0)) | |
3116 | { | |
3117 | sRef_setDefNull (e->sref, uentry_whereDeclared (e)); | |
3118 | } | |
3119 | ||
3120 | return (e); | |
3121 | } | |
3122 | ||
3123 | /*@notnull@*/ uentry uentry_makeConstant (cstring n, ctype t, fileloc f) | |
3124 | { | |
3125 | return (uentry_makeConstantAux (n, t, f, FALSE, multiVal_unknown ())); | |
3126 | } | |
3127 | ||
3128 | /*@notnull@*/ uentry uentry_makeIdConstant (idDecl t) | |
3129 | { | |
3130 | uentry ue = uentry_makeConstant (idDecl_observeId (t), | |
3131 | idDecl_getCtype (t), | |
3132 | fileloc_undefined); | |
3133 | ||
3134 | llassert (fileloc_isUndefined (ue->whereDeclared)); | |
3135 | ue->whereDeclared = setLocation (); | |
3136 | ||
3137 | uentry_reflectQualifiers (ue, idDecl_getQuals (t)); | |
3138 | ||
3139 | return ue; | |
3140 | } | |
3141 | ||
3142 | /* | |
3143 | ** variables | |
3144 | */ | |
3145 | ||
3146 | void uentry_setDefState (uentry ue, sstate defstate) | |
3147 | { | |
3148 | if (uentry_isValid (ue)) | |
3149 | { | |
3150 | sRef_setDefState (ue->sref, defstate, fileloc_undefined); | |
3151 | ||
3152 | if (uentry_isVariable (ue)) | |
3153 | { | |
3154 | ue->info->var->defstate = defstate; /* evs 2000-05-17: fixed bug, was SS_DEFINED! */ | |
3155 | } | |
3156 | } | |
3157 | } | |
3158 | ||
3159 | bool uentry_isCheckedUnknown (uentry ue) | |
3160 | { | |
3161 | return (uentry_isVar (ue) | |
3162 | && (ue->info->var->checked == CH_UNKNOWN)); | |
3163 | } | |
3164 | ||
3165 | bool uentry_isCheckMod (uentry ue) | |
3166 | { | |
3167 | return (uentry_isVar (ue) | |
3168 | && (ue->info->var->checked == CH_CHECKMOD)); | |
3169 | } | |
3170 | ||
3171 | bool uentry_isUnchecked (uentry ue) | |
3172 | { | |
3173 | return (uentry_isVar (ue) | |
3174 | && (ue->info->var->checked == CH_UNCHECKED)); | |
3175 | } | |
3176 | ||
3177 | bool uentry_isChecked (uentry ue) | |
3178 | { | |
3179 | return (uentry_isVar (ue) | |
3180 | && (ue->info->var->checked == CH_CHECKED)); | |
3181 | } | |
3182 | ||
3183 | bool uentry_isCheckedModify (uentry ue) | |
3184 | { | |
3185 | return (uentry_isVar (ue) | |
3186 | && (ue->info->var->checked == CH_CHECKED | |
3187 | || ue->info->var->checked == CH_CHECKMOD | |
3188 | || ue->info->var->checked == CH_CHECKEDSTRICT)); | |
3189 | } | |
3190 | ||
3191 | bool uentry_isCheckedStrict (uentry ue) | |
3192 | { | |
3193 | return (uentry_isVar (ue) | |
3194 | && (ue->info->var->checked == CH_CHECKEDSTRICT)); | |
3195 | } | |
3196 | ||
3197 | void uentry_setUnchecked (uentry ue) | |
3198 | { | |
3199 | llassert (uentry_isVar (ue)); | |
3200 | ||
3201 | ue->info->var->checked = CH_UNCHECKED; | |
3202 | } | |
3203 | ||
3204 | void uentry_setChecked (uentry ue) | |
3205 | { | |
3206 | llassert (uentry_isVar (ue)); | |
3207 | ||
3208 | ue->info->var->checked = CH_CHECKED; | |
3209 | } | |
3210 | ||
3211 | void uentry_setCheckMod (uentry ue) | |
3212 | { | |
3213 | llassert (uentry_isVar (ue)); | |
3214 | ||
3215 | ue->info->var->checked = CH_CHECKMOD; | |
3216 | } | |
3217 | ||
3218 | void uentry_setCheckedStrict (uentry ue) | |
3219 | { | |
3220 | llassert (uentry_isVar (ue)); | |
3221 | ||
3222 | ue->info->var->checked = CH_CHECKEDSTRICT; | |
3223 | } | |
3224 | ||
3225 | static /*@only@*/ /*@notnull@*/ | |
3226 | uentry uentry_makeVariableAux (cstring n, ctype t, | |
3227 | fileloc f, | |
3228 | /*@exposed@*/ sRef s, | |
3229 | bool priv, vkind kind) | |
3230 | { | |
3231 | uentry e = uentry_alloc (); | |
3232 | ctype rt = t; | |
3233 | ||
3234 | DPRINTF (("Make variable: %s %s %s", n, ctype_unparse (t), sRef_unparse (s))); | |
3235 | ||
3236 | e->ukind = KVAR; | |
3237 | e->uname = cstring_copy (n); | |
3238 | e->utype = t; | |
3239 | ||
3240 | e->storageclass = SCNONE; | |
3241 | ||
28bf4b0b | 3242 | e->warn = warnClause_undefined; /*@i32 warnings for variable @*/ |
3243 | ||
616915dd | 3244 | e->sref = s; |
3245 | ||
3246 | e->used = FALSE; | |
3247 | e->lset = FALSE; | |
3248 | ||
3249 | e->uses = filelocList_new (); | |
3250 | e->isPrivate = priv; | |
3251 | e->hasNameError = FALSE; | |
3252 | ||
3253 | e->info = (uinfo) dmalloc (sizeof (*e->info)); | |
3254 | e->info->var = (uvinfo) dmalloc (sizeof (*e->info->var)); | |
3255 | e->info->var->kind = kind; | |
3256 | ||
3257 | e->info->var->checked = CH_UNKNOWN; | |
3258 | ||
28bf4b0b | 3259 | DPRINTF (("Here we are: %s", sRef_unparseFull (e->sref))); |
616915dd | 3260 | uentry_setSpecDef (e, f); |
28bf4b0b | 3261 | DPRINTF (("Here we are: %s", sRef_unparseFull (e->sref))); |
616915dd | 3262 | |
3263 | if (ctype_isFunction (rt)) | |
3264 | { | |
28bf4b0b | 3265 | rt = ctype_getReturnType (rt); |
616915dd | 3266 | } |
3267 | ||
3268 | if (ctype_isUA (rt)) | |
3269 | { | |
28bf4b0b | 3270 | DPRINTF (("Here we are: %s", sRef_unparseFull (e->sref))); |
616915dd | 3271 | sRef_setStateFromType (e->sref, rt); |
3272 | } | |
3273 | ||
28bf4b0b | 3274 | DPRINTF (("Here we are: %s", sRef_unparseFull (e->sref))); |
616915dd | 3275 | e->info->var->defstate = sRef_getDefState (e->sref); |
3276 | e->info->var->nullstate = sRef_getNullState (e->sref); | |
3277 | ||
3278 | /* start modifications */ | |
3279 | /* This function sets the uentry for a pointer or array variable declaration, | |
3280 | it allocates memory and sets the fields. We check if the type of the variable | |
3281 | is a pointer or array and allocate a `bbufinfo' struct accordingly */ | |
3282 | ||
3283 | if( ctype_isArray (t) || ctype_isPointer(t)) { | |
3284 | /*@i222@*/e->info->var->bufinfo = dmalloc( sizeof(*e->info->var->bufinfo) ); | |
3285 | e->info->var->bufinfo->bufstate = BB_NOTNULLTERMINATED; | |
28bf4b0b | 3286 | /*@access sRef@*/ /*i@222*/ |
3287 | /* It probably isn't necessary to violate the abstraction here | |
3288 | I'll fix this later | |
3289 | */ | |
616915dd | 3290 | s->bufinfo.bufstate = BB_NOTNULLTERMINATED; |
28bf4b0b | 3291 | /*@noaccess sRef@*/ |
616915dd | 3292 | } else { |
3293 | e->info->var->bufinfo = NULL; | |
3294 | }/* end else */ | |
3295 | /* end modification */ | |
3296 | ||
3297 | return (e); | |
3298 | } | |
3299 | ||
3300 | bool | |
3301 | uentry_isYield (uentry ue) | |
3302 | { | |
3303 | return (uentry_isVariable (ue) | |
3304 | && (ue->info->var->kind == VKYIELDPARAM | |
3305 | || ue->info->var->kind == VKREFYIELDPARAM)); | |
3306 | } | |
3307 | ||
3308 | static bool | |
3309 | uentry_isRefsField (uentry ue) | |
3310 | { | |
3311 | return (uentry_isVariable (ue) && sRef_isRefsField (ue->sref)); | |
3312 | } | |
3313 | ||
3314 | /*@only@*/ /*@notnull@*/ | |
3315 | uentry uentry_makeVariable (cstring n, ctype t, fileloc f, bool isPriv) | |
3316 | { | |
3317 | return (uentry_makeVariableAux (n, t, f, sRef_makeType (t), isPriv, | |
3318 | fileloc_isSpec (f) ? VKSPEC : VKNORMAL)); | |
3319 | } | |
3320 | ||
3321 | /* | |
3322 | ** functions | |
3323 | */ | |
3324 | ||
3325 | void uentry_makeVarFunction (uentry ue) | |
3326 | { | |
3327 | alkind ak; | |
3328 | exkind ek; | |
3329 | uvinfo oldInfo; | |
3330 | fileloc loc; | |
3331 | ||
3332 | llassert (uentry_isValid (ue)); | |
3333 | llassert (!sRef_modInFunction ()); | |
3334 | ||
3335 | ak = sRef_getOrigAliasKind (ue->sref); | |
3336 | ek = sRef_getOrigExKind (ue->sref); | |
3337 | ||
3338 | oldInfo = ue->info->var; | |
3339 | ||
3340 | llassert (ctype_isUnknown (ue->utype) || ctype_isFunction (ue->utype)); | |
3341 | ||
3342 | /* | |
3343 | ** expanded macro is marked used (until I write a pre-processor) | |
3344 | */ | |
3345 | ||
3346 | ue->used |= (oldInfo->kind == VKEXPMACRO); | |
3347 | ||
3348 | ue->ukind = KFCN; | |
3349 | ue->info->fcn = (ufinfo) dmalloc (sizeof (*ue->info->fcn)); | |
3350 | ue->info->fcn->exitCode = XK_UNKNOWN; | |
28bf4b0b | 3351 | ue->info->fcn->nullPred = qual_createUnknown (); |
616915dd | 3352 | ue->info->fcn->specialCode = SPC_NONE; |
3353 | ue->info->fcn->access = typeIdSet_undefined; | |
3354 | ue->info->fcn->hasGlobs = FALSE; | |
3355 | ue->info->fcn->globs = globSet_undefined; | |
3356 | ue->info->fcn->hasMods = FALSE; | |
3357 | ue->info->fcn->mods = sRefSet_undefined; | |
3358 | ue->info->fcn->specclauses = NULL; | |
3359 | ue->info->fcn->defparams = uentryList_undefined; | |
3360 | ||
3361 | /*drl*/ | |
3362 | ue->info->fcn->preconditions = constraintList_undefined; | |
3363 | /*end */ | |
3364 | ||
3365 | /*drl 12/28/2000*/ | |
3366 | ue->info->fcn->postconditions = constraintList_undefined; | |
3367 | /*end */ | |
3368 | ||
3369 | ||
3370 | if (ctype_isFunction (ue->utype)) | |
3371 | { | |
28bf4b0b | 3372 | ue->sref = sRef_makeType (ctype_getReturnType (ue->utype)); |
616915dd | 3373 | } |
3374 | else | |
3375 | { | |
3376 | ue->sref = sRef_makeType (ctype_unknown); | |
3377 | } | |
3378 | ||
3379 | if (sRef_isRefCounted (ue->sref)) | |
3380 | { | |
3381 | ak = AK_NEWREF; | |
3382 | } | |
3383 | else | |
3384 | { | |
3385 | if (alkind_isUnknown (ak)) | |
3386 | { | |
3387 | if (exkind_isKnown (ek)) | |
3388 | { | |
28bf4b0b | 3389 | DPRINTF (("imp dep: %s", uentry_unparseFull (ue))); |
616915dd | 3390 | ak = AK_IMPDEPENDENT; |
3391 | } | |
3392 | else | |
3393 | { | |
3394 | if (context_getFlag (FLG_RETIMPONLY)) | |
3395 | { | |
3396 | if (ctype_isFunction (ue->utype) | |
3397 | && ctype_isVisiblySharable | |
28bf4b0b | 3398 | (ctype_realType (ctype_getReturnType (ue->utype)))) |
616915dd | 3399 | { |
3400 | if (uentryList_hasReturned (uentry_getParams (ue))) | |
3401 | { | |
3402 | ; | |
3403 | } | |
3404 | else | |
3405 | { | |
28bf4b0b | 3406 | if (ctype_isImmutableAbstract (ctype_getReturnType (ue->utype))) |
3407 | { | |
3408 | ; | |
3409 | } | |
3410 | else | |
3411 | { | |
3412 | ak = AK_IMPONLY; | |
3413 | } | |
3414 | } | |
616915dd | 3415 | } |
3416 | } | |
3417 | } | |
3418 | } | |
3419 | } | |
3420 | ||
3421 | loc = ue->whereDeclared; | |
3422 | ||
3423 | sRef_setAliasKind (ue->sref, ak, loc); | |
3424 | sRef_setNullState (ue->sref, oldInfo->nullstate, loc); | |
3425 | sRef_setDefState (ue->sref, oldInfo->defstate, loc); | |
3426 | sRef_setExKind (ue->sref, ek, loc); | |
3427 | ||
3428 | if (oldInfo->kind == VKEXPMACRO) | |
3429 | { | |
3430 | fileloc_free (loc); | |
3431 | ue->whereDeclared = fileloc_undefined; | |
3432 | } | |
3433 | else | |
3434 | { | |
3435 | fileloc_free (ue->whereDefined); | |
3436 | ue->whereDefined = fileloc_undefined; | |
3437 | } | |
3438 | ||
3439 | uvinfo_free (oldInfo); | |
3440 | } | |
3441 | ||
3442 | void | |
3443 | uentry_setGlobals (uentry ue, /*@owned@*/ globSet globs) | |
3444 | { | |
3445 | llassert (uentry_isValid (ue)); | |
3446 | ||
3447 | if (uentry_isIter (ue)) | |
3448 | { | |
3449 | llassert (globSet_isUndefined (ue->info->iter->globs)); | |
3450 | ue->info->iter->globs = globs; | |
3451 | } | |
3452 | else | |
3453 | { | |
3454 | if (uentry_isVariable (ue) && ctype_isFunction (uentry_getType (ue))) | |
3455 | { | |
3456 | uentry_makeVarFunction (ue); | |
3457 | } | |
3458 | ||
3459 | llassert (uentry_isFunction (ue)); | |
3460 | llassert (!ue->info->fcn->hasGlobs | |
3461 | && globSet_isUndefined (ue->info->fcn->globs)); | |
3462 | ||
3463 | ue->info->fcn->hasGlobs = TRUE; | |
28bf4b0b | 3464 | globSet_markImmutable (globs); |
616915dd | 3465 | /*@-mustfree@*/ ue->info->fcn->globs = globs; |
3466 | /*@=mustfree@*/ | |
3467 | } | |
3468 | ||
28bf4b0b | 3469 | /*@i23 ??? |
616915dd | 3470 | if (globSet_hasStatic (globs)) |
3471 | { | |
3472 | context_recordFileGlobals (globs); | |
3473 | } | |
28bf4b0b | 3474 | */ |
616915dd | 3475 | |
3476 | if (context_getFlag (FLG_GLOBALSIMPMODIFIESNOTHING)) | |
3477 | { | |
3478 | ue->info->fcn->hasMods = TRUE; | |
3479 | } | |
3480 | } | |
3481 | ||
3482 | void uentry_addAccessType (uentry ue, typeId tid) | |
3483 | { | |
3484 | if (uentry_isFunction (ue)) | |
3485 | { | |
3486 | ue->info->fcn->access = typeIdSet_insert (ue->info->fcn->access, tid); | |
3487 | } | |
3488 | else if (uentry_isEitherConstant (ue)) | |
3489 | { | |
3490 | ue->info->uconst->access = typeIdSet_insert (ue->info->uconst->access, tid); | |
3491 | } | |
3492 | else if (uentry_isIter (ue)) | |
3493 | { | |
3494 | ue->info->iter->access = typeIdSet_insert (ue->info->iter->access, tid); | |
3495 | } | |
3496 | else if (uentry_isEndIter (ue)) | |
3497 | { | |
3498 | ue->info->enditer->access = typeIdSet_insert (ue->info->enditer->access, tid); | |
3499 | } | |
3500 | else | |
3501 | { | |
3502 | llbug (message ("no access for: %q", uentry_unparse (ue))); | |
3503 | } | |
3504 | } | |
3505 | ||
3506 | /*@only@*/ /*@notnull@*/ uentry | |
3507 | uentry_makeFunction (cstring n, ctype t, | |
3508 | typeId access, | |
3509 | /*@only@*/ globSet globs, /*@only@*/ sRefSet mods, | |
28bf4b0b | 3510 | /*@only@*/ warnClause warn, |
616915dd | 3511 | fileloc f) |
3512 | { | |
28bf4b0b | 3513 | llassert (warnClause_isUndefined (warn)); /*@i325 remove parameter! */ |
616915dd | 3514 | return (uentry_makeFunctionAux (n, t, |
3515 | ((typeId_isInvalid (access)) ? typeIdSet_emptySet () | |
3516 | : typeIdSet_single (access)), | |
28bf4b0b | 3517 | globs, mods, warn, |
3518 | f, | |
616915dd | 3519 | FALSE, FALSE)); |
3520 | } | |
3521 | ||
3522 | # ifndef NOLCL | |
3523 | /*@notnull@*/ uentry | |
3524 | uentry_makePrivFunction2 (cstring n, ctype t, | |
3525 | typeIdSet access, | |
3526 | globSet globs, sRefSet mods, | |
3527 | fileloc f) | |
3528 | { | |
28bf4b0b | 3529 | return (uentry_makeFunctionAux (n, t, access, globs, mods, warnClause_undefined, |
3530 | f, TRUE, FALSE)); | |
616915dd | 3531 | } |
3532 | ||
3533 | ||
3534 | /*@notnull@*/ uentry | |
3535 | uentry_makeSpecFunction (cstring n, ctype t, | |
3536 | typeIdSet access, | |
3537 | /*@only@*/ globSet globs, | |
3538 | /*@only@*/ sRefSet mods, | |
3539 | fileloc f) | |
3540 | { | |
3541 | uentry ue = uentry_makeFunctionAux (n, t, access, | |
28bf4b0b | 3542 | globs, mods, warnClause_undefined, |
3543 | f, FALSE, FALSE); | |
616915dd | 3544 | |
3545 | uentry_setHasGlobs (ue); | |
3546 | uentry_setHasMods (ue); | |
3547 | ||
3548 | reflectImplicitFunctionQualifiers (ue, TRUE); | |
3549 | return (ue); | |
3550 | } | |
3551 | # endif | |
3552 | ||
3553 | uentry uentry_makeExpandedMacro (cstring s, fileloc f) | |
3554 | { | |
3555 | uentry ue = uentry_makeVariableAux (s, ctype_unknown, fileloc_undefined, | |
3556 | sRef_undefined, FALSE, VKEXPMACRO); | |
3557 | ||
3558 | uentry_setDefined (ue, f); | |
3559 | return ue; | |
3560 | } | |
3561 | ||
3562 | /*@notnull@*/ /*@notnull@*/ uentry | |
3563 | uentry_makeForwardFunction (cstring n, typeId access, fileloc f) | |
3564 | { | |
3565 | uentry ue = uentry_makeFunctionAux (n, ctype_unknown, | |
3566 | typeIdSet_singleOpt (access), | |
3567 | globSet_undefined, sRefSet_undefined, | |
28bf4b0b | 3568 | warnClause_undefined, |
616915dd | 3569 | fileloc_undefined, |
3570 | FALSE, TRUE); | |
3571 | ||
3572 | ue->whereDeclared = fileloc_update (ue->whereDeclared, f); | |
3573 | return ue; | |
3574 | } | |
3575 | ||
3576 | bool uentry_isForward (uentry e) | |
3577 | { | |
3578 | if (uentry_isValid (e)) | |
3579 | { | |
3580 | ctype ct = uentry_getType (e); | |
3581 | ||
3582 | return (ctype_isUnknown (ct) | |
3583 | || (ctype_isFunction (ct) | |
28bf4b0b | 3584 | && ctype_isUnknown (ctype_getReturnType (ct)))); |
616915dd | 3585 | } |
3586 | ||
3587 | return FALSE; | |
3588 | } | |
3589 | ||
3590 | # ifndef NOLCL | |
3591 | /*@notnull@*/ uentry | |
3592 | uentry_makeTypeListFunction (cstring n, typeIdSet access, fileloc f) | |
3593 | { | |
3594 | return (uentry_makeFunctionAux (n, ctype_unknown, access, | |
28bf4b0b | 3595 | globSet_undefined, sRefSet_undefined, warnClause_undefined, |
3596 | f,FALSE, TRUE)); | |
616915dd | 3597 | } |
3598 | ||
3599 | /*@notnull@*/ uentry | |
3600 | uentry_makeUnspecFunction (cstring n, ctype t, | |
3601 | typeIdSet access, | |
3602 | fileloc f) | |
3603 | { | |
28bf4b0b | 3604 | uentry ue = uentry_makeFunctionAux (n, t, access, globSet_undefined, |
3605 | sRefSet_undefined, warnClause_undefined, | |
3606 | f, FALSE, TRUE); | |
616915dd | 3607 | |
3608 | reflectImplicitFunctionQualifiers (ue, TRUE); | |
3609 | return ue; | |
3610 | } | |
3611 | # endif | |
3612 | ||
3613 | /* | |
3614 | ** datatypes | |
3615 | */ | |
3616 | ||
3617 | /* is exported for use by usymtab_interface */ | |
3618 | ||
3619 | /*@notnull@*/ uentry | |
28bf4b0b | 3620 | uentry_makeDatatypeAux (cstring n, ctype t, ynm mut, ynm abstract, |
616915dd | 3621 | fileloc f, bool priv) |
3622 | { | |
3623 | uentry e = uentry_alloc (); | |
3624 | ||
3625 | DPRINTF (("Make datatype: %s / %s", | |
3626 | n, ctype_unparse (t))); | |
3627 | ||
3628 | /* e->shallowCopy = FALSE; */ | |
3629 | e->ukind = KDATATYPE; | |
3630 | e->uname = cstring_copy (n); | |
3631 | e->utype = t; | |
3632 | e->storageclass = SCNONE; | |
3633 | e->sref = sRef_makeUnknown (); | |
3634 | ||
3635 | if (ctype_isUA (t)) | |
3636 | { | |
3637 | sRef_setStateFromType (e->sref, t); | |
3638 | } | |
3639 | ||
3640 | uentry_setSpecDef (e, f); | |
3641 | ||
28bf4b0b | 3642 | e->warn = warnClause_undefined; /*@i634@*/ |
616915dd | 3643 | e->uses = filelocList_new (); |
3644 | e->isPrivate = priv; | |
3645 | e->hasNameError = FALSE; | |
3646 | ||
3647 | e->used = FALSE; | |
3648 | e->lset = FALSE; | |
3649 | ||
3650 | e->info = (uinfo) dmalloc (sizeof (*e->info)); | |
3651 | e->info->datatype = (udinfo) dmalloc (sizeof (*e->info->datatype)); | |
28bf4b0b | 3652 | e->info->datatype->abs = abstract; |
616915dd | 3653 | e->info->datatype->mut = mut; |
3654 | e->info->datatype->type = ctype_undefined; | |
3655 | ||
3656 | if (uentry_isDeclared (e)) | |
3657 | { | |
3658 | uentry_setDefined (e, f); | |
3659 | } | |
3660 | ||
28bf4b0b | 3661 | if (ynm_isOn (abstract) && !(uentry_isCodeDefined (e))) |
616915dd | 3662 | { |
3663 | sRef_setNullState (e->sref, NS_ABSNULL, uentry_whereDeclared (e)); | |
3664 | } | |
3665 | ||
3666 | return (e); | |
3667 | } | |
3668 | ||
3669 | /*@notnull@*/ uentry | |
28bf4b0b | 3670 | uentry_makeDatatype (cstring n, ctype t, ynm mut, ynm abstract, fileloc f) |
616915dd | 3671 | { |
28bf4b0b | 3672 | return (uentry_makeDatatypeAux (n, t, mut, abstract, f, FALSE)); |
616915dd | 3673 | } |
3674 | ||
28bf4b0b | 3675 | /*@notnull@*/ uentry uentry_makeBoolDatatype (ynm abstract) |
616915dd | 3676 | { |
3677 | uentry ret = uentry_makeDatatypeAux (context_getBoolName (), | |
28bf4b0b | 3678 | ctype_bool, NO, abstract, |
616915dd | 3679 | fileloc_getBuiltin (), |
3680 | FALSE); | |
3681 | ||
3682 | ret->info->datatype->type = ctype_bool; | |
3683 | return ret; | |
3684 | } | |
3685 | ||
3686 | /* | |
3687 | ** iters | |
3688 | */ | |
3689 | ||
3690 | static /*@only@*/ /*@notnull@*/ uentry | |
3691 | uentry_makeIterAux (cstring n, typeIdSet access, ctype ct, | |
3692 | /*@only@*/ fileloc f) | |
3693 | { | |
3694 | uentry e = uentry_alloc (); | |
3695 | ||
3696 | e->ukind = KITER; | |
3697 | e->uname = cstring_copy (n); | |
3698 | e->utype = ct; | |
3699 | e->sref = sRef_makeUnknown (); | |
3700 | e->storageclass = SCNONE; | |
3701 | e->used = FALSE; | |
3702 | e->lset = FALSE; | |
3703 | ||
3704 | uentry_setSpecDef (e, f); | |
3705 | ||
28bf4b0b | 3706 | e->warn = warnClause_undefined; /*@i452@*/ |
616915dd | 3707 | e->uses = filelocList_new (); |
3708 | e->isPrivate = FALSE; | |
3709 | e->hasNameError = FALSE; | |
3710 | ||
3711 | e->info = (uinfo) dmalloc (sizeof (*e->info)); | |
3712 | e->info->iter = (uiinfo) dmalloc (sizeof (*e->info->iter)); | |
3713 | e->info->iter->access = access; | |
3714 | e->info->iter->mods = sRefSet_undefined; | |
3715 | e->info->iter->globs = globSet_undefined; | |
3716 | ||
3717 | uentry_checkIterArgs (e); | |
3718 | return (e); | |
3719 | } | |
3720 | ||
3721 | /*@notnull@*/ uentry uentry_makeIter (cstring n, ctype ct, fileloc f) | |
3722 | { | |
3723 | return (uentry_makeIterAux (n, context_fileAccessTypes (), ct, f)); | |
3724 | } | |
3725 | ||
3726 | static /*@notnull@*/ uentry | |
3727 | uentry_makeEndIterAux (cstring n, typeIdSet access, /*@only@*/ fileloc f) | |
3728 | { | |
3729 | uentry e = uentry_alloc (); | |
3730 | ||
3731 | /* e->shallowCopy = FALSE; */ | |
3732 | e->ukind = KENDITER; | |
3733 | e->storageclass = SCNONE; | |
3734 | e->uname = message ("end_%s", n); | |
3735 | e->utype = ctype_unknown; | |
3736 | e->sref = sRef_makeUnknown (); | |
3737 | ||
3738 | uentry_setSpecDef (e, f); | |
3739 | ||
3740 | e->used = FALSE; | |
3741 | e->lset = FALSE; | |
3742 | ||
3743 | e->uses = filelocList_new (); | |
3744 | e->isPrivate = FALSE; | |
3745 | e->hasNameError = FALSE; | |
3746 | ||
3747 | e->info = (uinfo) dmalloc (sizeof (*e->info)); | |
3748 | e->info->enditer = (ueinfo) dmalloc (sizeof (*e->info->enditer)); | |
3749 | ||
3750 | e->info->enditer->access = access; | |
3751 | ||
28bf4b0b | 3752 | e->warn = warnClause_undefined; /*@i452@*/ |
616915dd | 3753 | return (e); |
3754 | } | |
3755 | ||
3756 | /*@notnull@*/ /*@only@*/ uentry uentry_makeEndIter (cstring n, fileloc f) | |
3757 | { | |
3758 | return (uentry_makeEndIterAux (n, context_fileAccessTypes (), f)); | |
3759 | } | |
3760 | ||
3761 | /* | |
3762 | ** tags | |
3763 | */ | |
3764 | ||
3765 | static /*@only@*/ /*@notnull@*/ uentry | |
3766 | uentry_makeTagAux (cstring n, ctype t, | |
3767 | /*@only@*/ fileloc fl, | |
3768 | bool priv, ekind kind) | |
3769 | { | |
3770 | uentry e = uentry_alloc (); | |
3771 | ||
3772 | if (kind != KSTRUCTTAG && kind != KUNIONTAG && kind != KENUMTAG) | |
3773 | { | |
3774 | llbuglit ("uentry_makeTagAux: not a tag type"); | |
3775 | } | |
3776 | ||
3777 | e->ukind = kind; | |
3778 | /* e->shallowCopy = FALSE; */ | |
3779 | e->uname = cstring_copy (n); | |
3780 | ||
3781 | e->utype = t; | |
3782 | e->sref = sRef_makeUnknown (); | |
3783 | e->storageclass = SCNONE; | |
3784 | ||
3785 | uentry_setSpecDef (e, fl); | |
3786 | ||
3787 | e->used = FALSE; | |
3788 | e->lset = FALSE; | |
3789 | ||
3790 | e->uses = filelocList_new (); | |
3791 | e->isPrivate = priv; | |
3792 | e->hasNameError = FALSE; | |
3793 | ||
3794 | e->info = (uinfo) dmalloc (sizeof (*e->info)); | |
3795 | e->info->datatype = (udinfo) dmalloc (sizeof (*e->info->datatype)); | |
3796 | e->info->datatype->abs = NO; | |
3797 | e->info->datatype->mut = (kind == KENUMTAG) ? NO : MAYBE; | |
3798 | e->info->datatype->type = t; | |
28bf4b0b | 3799 | e->warn = warnClause_undefined; /*@i452@*/ |
616915dd | 3800 | |
3801 | if (uentry_isDeclared (e)) | |
3802 | { | |
3803 | uentry_setDefined (e, fl); | |
3804 | } | |
3805 | ||
3806 | return (e); | |
3807 | } | |
3808 | ||
3809 | uentry uentry_makeStructTagLoc (cstring n, ctype t) | |
3810 | { | |
3811 | cstring sname = makeStruct (n); | |
3812 | uentry ret = uentry_makeTagAux (sname, t, setLocation (), FALSE, KSTRUCTTAG); | |
3813 | ||
3814 | cstring_free (sname); | |
3815 | return (ret); | |
3816 | } | |
3817 | ||
3818 | /*@only@*/ uentry | |
3819 | uentry_makeStructTag (cstring n, ctype t, fileloc loc) | |
3820 | { | |
3821 | cstring sname = makeStruct (n); | |
3822 | uentry ret = uentry_makeTagAux (sname, t, loc, FALSE, KSTRUCTTAG); | |
3823 | ||
3824 | cstring_free (sname); | |
3825 | return ret; | |
3826 | } | |
3827 | ||
3828 | /*@only@*/ uentry | |
3829 | uentry_makeUnionTag (cstring n, ctype t, fileloc loc) | |
3830 | { | |
3831 | cstring uname = makeUnion (n); | |
3832 | uentry ret = uentry_makeTagAux (uname, t, loc, FALSE, KUNIONTAG); | |
3833 | ||
3834 | cstring_free (uname); | |
3835 | return (ret); | |
3836 | } | |
3837 | ||
3838 | # ifndef NOLCL | |
3839 | uentry | |
3840 | uentry_makeEnumTag (cstring n, ctype t, fileloc loc) | |
3841 | { | |
3842 | cstring ename = makeEnum (n); | |
3843 | uentry ret = uentry_makeTagAux (ename, t, loc, FALSE, KENUMTAG); | |
3844 | ||
3845 | cstring_free (ename); | |
3846 | return ret; | |
3847 | } | |
3848 | # endif | |
3849 | ||
3850 | uentry | |
3851 | uentry_makeUnionTagLoc (cstring n, ctype t) | |
3852 | { | |
3853 | cstring uname = makeUnion (n); | |
3854 | uentry ret = uentry_makeTagAux (uname, t, setLocation (), FALSE, KUNIONTAG); | |
3855 | ||
3856 | cstring_free (uname); | |
3857 | return ret; | |
3858 | } | |
3859 | ||
3860 | uentry | |
3861 | uentry_makeEnumTagLoc (cstring n, ctype t) | |
3862 | { | |
3863 | cstring ename = makeEnum (n); | |
3864 | uentry ret = uentry_makeTagAux (ename, t, setLocation (), FALSE, KENUMTAG); | |
3865 | ||
3866 | cstring_free (ename); | |
3867 | return ret; | |
3868 | } | |
3869 | ||
3870 | bool | |
3871 | uentry_isStructTag (uentry ue) | |
3872 | { | |
3873 | return (uentry_isValid (ue) && ue->ukind == KSTRUCTTAG); | |
3874 | } | |
3875 | ||
3876 | bool | |
3877 | uentry_isUnionTag (uentry ue) | |
3878 | { | |
3879 | return (uentry_isValid (ue) && ue->ukind == KUNIONTAG); | |
3880 | } | |
3881 | ||
3882 | bool | |
3883 | uentry_isEnumTag (uentry ue) | |
3884 | { | |
3885 | return (uentry_isValid (ue) && ue->ukind == KENUMTAG); | |
3886 | } | |
3887 | ||
3888 | bool | |
3889 | uentry_isAnyTag (uentry ue) | |
3890 | { | |
3891 | return (uentry_isStructTag (ue) | |
3892 | || uentry_isUnionTag (ue) | |
3893 | || uentry_isEnumTag (ue)); | |
3894 | } | |
3895 | ||
3896 | static /*@unchecked@*/ /*@only@*/ uentry emarker = NULL; | |
3897 | ||
3898 | extern void uentry_destroyMod (void) | |
3899 | /*@globals killed emarker@*/ /*@modifies emarker@*/ | |
3900 | { | |
3901 | static bool wasDestroyed = FALSE; | |
3902 | ||
3903 | llassert (!wasDestroyed); | |
3904 | ||
3905 | if (emarker != NULL) | |
3906 | { | |
3907 | uentry_reallyFree (emarker); | |
3908 | } | |
3909 | ||
3910 | wasDestroyed = TRUE; | |
3911 | } | |
3912 | ||
3913 | uentry | |
3914 | uentry_makeElipsisMarker (void) | |
3915 | { | |
3916 | if (emarker == NULL) | |
3917 | { | |
3918 | emarker = uentry_alloc (); | |
3919 | ||
3920 | emarker->ukind = KELIPSMARKER; | |
3921 | emarker->uname = cstring_makeLiteral ("..."); | |
3922 | emarker->utype = ctype_elipsMarker; | |
3923 | emarker->sref = sRef_undefined; | |
3924 | emarker->storageclass = SCNONE; | |
3925 | emarker->used = FALSE; | |
3926 | emarker->lset = FALSE; | |
3927 | emarker->info = NULL; | |
3928 | ||
3929 | uentry_setSpecDef (emarker, fileloc_undefined); | |
3930 | emarker->uses = filelocList_new (); | |
3931 | emarker->isPrivate = FALSE; | |
3932 | emarker->hasNameError = FALSE; | |
3933 | } | |
3934 | ||
3935 | /*@ignore@*/ return (emarker); /*@end@*/ | |
3936 | } | |
3937 | ||
3938 | /* | |
3939 | ** comparisons | |
3940 | */ | |
3941 | ||
3942 | bool | |
3943 | uentry_equiv (uentry p1, uentry p2) | |
3944 | { | |
3945 | if (uentry_compare (p1, p2) != 0) | |
3946 | { | |
3947 | return FALSE; | |
3948 | } | |
3949 | else | |
3950 | { | |
3951 | return TRUE; | |
3952 | } | |
3953 | } | |
3954 | ||
3955 | int | |
3956 | uentry_xcomparealpha (uentry *p1, uentry *p2) | |
3957 | { | |
3958 | int res; | |
3959 | ||
3960 | if ((res = uentry_compare (*p1, *p2)) == 0) { | |
3961 | if ((*p1 != NULL) && (*p2 != NULL)) { | |
3962 | res = cstring_compare ((*p1)->uname, | |
3963 | (*p2)->uname); | |
3964 | } | |
3965 | } | |
3966 | ||
3967 | return res; | |
3968 | } | |
3969 | ||
3970 | int | |
3971 | uentry_xcompareuses (uentry *p1, uentry *p2) | |
3972 | { | |
3973 | uentry u1 = *p1; | |
3974 | uentry u2 = *p2; | |
3975 | ||
3976 | if (uentry_isValid (u1)) | |
3977 | { | |
3978 | if (uentry_isValid (u2)) | |
3979 | { | |
3980 | return (-1 * int_compare (filelocList_size (u1->uses), | |
3981 | filelocList_size (u2->uses))); | |
3982 | } | |
3983 | else | |
3984 | { | |
3985 | return 1; | |
3986 | } | |
3987 | } | |
3988 | else | |
3989 | { | |
3990 | if (uentry_isValid (u2)) | |
3991 | { | |
3992 | return -1; | |
3993 | } | |
3994 | else | |
3995 | { | |
3996 | return 0; | |
3997 | } | |
3998 | } | |
3999 | } | |
4000 | ||
4001 | int | |
4002 | uentry_compareStrict (uentry v1, uentry v2) | |
4003 | { | |
4004 | COMPARERETURN (uentry_compare (v1, v2)); | |
4005 | ||
4006 | if (v1 != v2 && uentry_isValid (v1) && uentry_isValid (v2)) | |
4007 | { | |
4008 | COMPARERETURN (fileloc_compare (v1->whereDeclared, v2->whereDeclared)); | |
4009 | COMPARERETURN (fileloc_compare (v1->whereDefined, v2->whereDefined)); | |
4010 | COMPARERETURN (fileloc_compare (v1->whereSpecified, v2->whereSpecified)); | |
4011 | } | |
4012 | ||
4013 | return 0; | |
4014 | } | |
4015 | ||
4016 | int | |
4017 | uentry_compare (uentry u1, uentry u2) | |
4018 | { | |
4019 | if (u1 == u2) return 0; | |
4020 | ||
4021 | if (uentry_isInvalid (u1)) return -1; | |
4022 | if (uentry_isInvalid (u2)) return 1; | |
4023 | ||
4024 | INTCOMPARERETURN (u1->ukind, u2->ukind); | |
4025 | COMPARERETURN (ctype_compare (u1->utype, u2->utype)); | |
4026 | COMPARERETURN (bool_compare (uentry_isPriv (u1), uentry_isPriv (u2))); | |
616915dd | 4027 | COMPARERETURN (sRef_compare (u1->sref, u2->sref)); |
4028 | ||
4029 | switch (u1->ukind) | |
4030 | { | |
4031 | case KINVALID: | |
4032 | case KELIPSMARKER: | |
4033 | /* bug detected by lclint: | |
4034 | ** uentry.c:753,14: Return value type bool does not match declared type int: TRUE | |
4035 | */ | |
4036 | return 0; | |
4037 | case KENUMCONST: | |
4038 | case KCONST: | |
4039 | return (multiVal_compare (u1->info->uconst->val, | |
4040 | u2->info->uconst->val)); | |
4041 | case KSTRUCTTAG: | |
4042 | case KUNIONTAG: | |
4043 | case KENUMTAG: | |
4044 | return (ctype_compare (u1->info->datatype->type, u2->info->datatype->type)); | |
4045 | case KITER: | |
4046 | COMPARERETURN (typeIdSet_compare (uentry_accessType (u1), | |
4047 | uentry_accessType (u2))); | |
4048 | return (uentryList_compareParams (uentry_getParams (u1), | |
4049 | uentry_getParams (u2))); | |
4050 | case KENDITER: | |
4051 | return (typeIdSet_compare (uentry_accessType (u1), | |
4052 | uentry_accessType (u2))); | |
4053 | case KFCN: | |
28bf4b0b | 4054 | /* |
4055 | ** Functions are never equivalent | |
4056 | */ | |
4057 | ||
4058 | if ((int) u1 < (int) u2) | |
4059 | { | |
4060 | return -1; | |
4061 | } | |
4062 | else | |
4063 | { | |
4064 | return 1; | |
4065 | } | |
4066 | case KVAR: | |
4067 | ||
4068 | COMPARERETURN (generic_compare (u1->info->var->kind, u2->info->var->kind)); | |
4069 | COMPARERETURN (generic_compare (sRef_getOrigAliasKind (u1->sref), | |
4070 | sRef_getOrigAliasKind (u2->sref))); | |
4071 | COMPARERETURN (generic_compare (sRef_getOrigExKind (u1->sref), | |
4072 | sRef_getOrigExKind (u2->sref))); | |
616915dd | 4073 | COMPARERETURN (generic_compare (u1->info->var->checked, |
4074 | u2->info->var->checked)); | |
4075 | COMPARERETURN (generic_compare (u1->info->var->defstate, | |
4076 | u2->info->var->defstate)); | |
4077 | return (generic_compare (u1->info->var->nullstate, | |
4078 | u2->info->var->nullstate)); | |
4079 | case KDATATYPE: | |
4080 | COMPARERETURN (ctype_compare (u1->info->datatype->type, | |
4081 | u2->info->datatype->type)); | |
4082 | COMPARERETURN (ynm_compare (u1->info->datatype->mut, | |
4083 | u2->info->datatype->mut)); | |
4084 | return (ynm_compare (u1->info->datatype->abs, u2->info->datatype->abs)); | |
4085 | } | |
4086 | ||
4087 | BADEXIT; | |
4088 | } | |
4089 | ||
4090 | /* | |
4091 | ** library format: | |
4092 | ** | |
4093 | ** all entries are: <type>[@<info>]*#<name> | |
4094 | ** | |
4095 | ** info depends on kind: | |
4096 | */ | |
4097 | ||
4098 | static void | |
4099 | advanceField (char **s) | |
4100 | { | |
28bf4b0b | 4101 | reader_checkChar (s, '@'); |
616915dd | 4102 | } |
4103 | ||
4104 | static void | |
4105 | advanceName (char **s) | |
4106 | { | |
28bf4b0b | 4107 | reader_checkChar (s, '#'); |
616915dd | 4108 | } |
4109 | ||
4110 | static vkind | |
4111 | vkind_fromInt (int i) | |
4112 | { | |
4113 | if /*@+enumint@*/ (i < VKFIRST || i > VKLAST) /*@=enumint@*/ | |
4114 | { | |
4115 | llbuglit ("vkind_fromInt: out of range"); | |
4116 | } | |
4117 | ||
4118 | return (vkind)i; | |
4119 | } | |
4120 | ||
4121 | static uentry | |
4122 | uentry_makeConstantBase (/*@only@*/ cstring name, ctype ct, | |
4123 | typeIdSet access, nstate nullstate, | |
4124 | /*@keep@*/ fileloc loc, /*@only@*/ multiVal m) | |
4125 | { | |
4126 | uentry e = uentry_alloc (); | |
4127 | ||
4128 | e->ukind = KCONST; | |
4129 | e->uname = name; | |
4130 | e->utype = ct; | |
4131 | e->sref = sRef_makeConst (ct); | |
4132 | ||
4133 | sRef_setNullState (e->sref, nullstate, loc); | |
4134 | e->storageclass = SCNONE; | |
4135 | ||
4136 | if (fileloc_isSpec (loc)) | |
4137 | { | |
4138 | e->whereSpecified = loc; | |
4139 | e->whereDeclared = fileloc_undefined; | |
4140 | } | |
4141 | else | |
4142 | { | |
4143 | e->whereSpecified = fileloc_undefined; | |
4144 | e->whereDeclared = loc; | |
4145 | } | |
4146 | ||
4147 | e->whereDefined = fileloc_undefined; | |
4148 | e->uses = filelocList_new (); | |
4149 | e->isPrivate = FALSE; | |
4150 | e->hasNameError = FALSE; | |
4151 | ||
4152 | e->used = FALSE; | |
4153 | e->lset = FALSE; | |
4154 | ||
28bf4b0b | 4155 | e->warn = warnClause_undefined; /*@i452@*/ |
4156 | ||
616915dd | 4157 | e->info = (uinfo) dmalloc (sizeof (*e->info)); |
4158 | e->info->uconst = (ucinfo) dmalloc (sizeof (*e->info->uconst)); | |
4159 | e->info->uconst->val = m; | |
4160 | e->info->uconst->access = access; | |
4161 | ||
4162 | sRef_storeState (e->sref); | |
4163 | ||
4164 | return (e); | |
4165 | } | |
4166 | ||
4167 | static /*@only@*/ uentry | |
4168 | uentry_makeVariableBase (/*@only@*/ cstring name, ctype ct, vkind kind, | |
4169 | sstate defstate, nstate isnull, alkind aliased, | |
4170 | exkind exp, chkind checked, | |
4171 | /*@only@*/ fileloc loc) | |
4172 | { | |
4173 | uentry e = uentry_alloc (); | |
4174 | ||
4175 | e->ukind = KVAR; | |
4176 | e->uname = name; | |
4177 | e->utype = ct; | |
4178 | e->storageclass = SCNONE; | |
4179 | ||
4180 | e->sref = sRef_makeType (ct); | |
4181 | sRef_setNullState (e->sref, isnull, loc); | |
4182 | ||
4183 | e->whereDefined = fileloc_undefined; | |
4184 | ||
4185 | if (fileloc_isSpec (loc)) | |
4186 | { | |
4187 | e->whereSpecified = loc; | |
4188 | e->whereDeclared = fileloc_undefined; | |
4189 | } | |
4190 | else | |
4191 | { | |
4192 | e->whereSpecified = fileloc_undefined; | |
4193 | e->whereDeclared = loc; | |
4194 | } | |
4195 | ||
4196 | e->isPrivate = FALSE; | |
4197 | e->hasNameError = FALSE; | |
4198 | ||
4199 | e->used = FALSE; | |
4200 | e->lset = FALSE; | |
4201 | ||
4202 | e->uses = filelocList_new (); | |
28bf4b0b | 4203 | e->warn = warnClause_undefined; /*@i452@*/ |
616915dd | 4204 | |
4205 | e->info = (uinfo) dmalloc (sizeof (*e->info)); | |
4206 | e->info->var = (uvinfo) dmalloc (sizeof (*e->info->var)); | |
4207 | e->info->var->kind = kind; | |
4208 | e->info->var->checked = checked; | |
4209 | e->info->var->defstate = defstate; | |
4210 | ||
4211 | sRef_setDefState (e->sref, defstate, loc); | |
4212 | ||
4213 | e->info->var->nullstate = sRef_getNullState (e->sref); | |
4214 | ||
4215 | sRef_setExKind (e->sref, exp, loc); | |
4216 | sRef_setAliasKind (e->sref, aliased, loc); | |
4217 | ||
4218 | sRef_storeState (e->sref); | |
4219 | ||
4220 | /*DRL ADDED 9-1-2000 */ | |
4221 | e->info->var->bufinfo = NULL; | |
4222 | ||
4223 | return (e); | |
4224 | } | |
4225 | ||
4226 | static /*@only@*/ uentry | |
28bf4b0b | 4227 | uentry_makeDatatypeBase (/*@only@*/ cstring name, ctype ct, ynm abstract, |
616915dd | 4228 | ynm mut, ctype rtype, alkind ak, exkind exp, |
4229 | sstate defstate, nstate isnull, | |
4230 | /*@only@*/ fileloc loc) | |
4231 | { | |
4232 | uentry e = uentry_alloc (); | |
4233 | ||
4234 | e->ukind = KDATATYPE; | |
4235 | /* e->shallowCopy = FALSE; */ | |
4236 | e->uname = name; | |
4237 | e->utype = ct; | |
4238 | e->storageclass = SCNONE; | |
4239 | e->sref = sRef_makeUnknown (); | |
28bf4b0b | 4240 | DPRINTF (("Merge null 1: %s", sRef_unparseFull (e->sref))); |
616915dd | 4241 | |
4242 | /* | |
4243 | ** This is only setting null state. (I think?) | |
4244 | */ | |
4245 | ||
4246 | if (ctype_isUA (ct)) | |
4247 | { | |
4248 | uentry te = usymtab_getTypeEntrySafe (ctype_typeId (ct)); | |
4249 | ||
4250 | if (uentry_isValid (te)) | |
4251 | { | |
4252 | sRef_setStateFromUentry (e->sref, te); | |
4253 | } | |
4254 | else | |
4255 | { | |
4256 | /* problem for recursive type definitions */ | |
4257 | } | |
4258 | } | |
4259 | ||
4260 | sRef_setAliasKind (e->sref, ak, loc); | |
4261 | sRef_setExKind (e->sref, exp, loc); | |
4262 | ||
4263 | sRef_setDefState (e->sref, defstate, loc); | |
4264 | ||
28bf4b0b | 4265 | if (ynm_isOn (abstract) && ctype_isUnknown (ct) && isnull == NS_UNKNOWN) |
616915dd | 4266 | { |
4267 | isnull = NS_ABSNULL; | |
4268 | } | |
4269 | ||
28bf4b0b | 4270 | DPRINTF (("Merge null: %s", sRef_unparseFull (e->sref))); |
616915dd | 4271 | sRef_mergeNullState (e->sref, isnull); |
4272 | ||
4273 | e->whereDefined = fileloc_copy (loc); /*< bogus! (but necessary for lexer) >*/ | |
4274 | ||
4275 | if (fileloc_isSpec (loc)) | |
4276 | { | |
4277 | e->whereSpecified = loc; | |
4278 | e->whereDeclared = fileloc_undefined; | |
4279 | } | |
4280 | else | |
4281 | { | |
4282 | e->whereSpecified = fileloc_undefined; | |
4283 | e->whereDeclared = loc; | |
4284 | } | |
4285 | ||
4286 | e->isPrivate = FALSE; | |
4287 | e->hasNameError = FALSE; | |
4288 | ||
28bf4b0b | 4289 | e->warn = warnClause_undefined; /*@i452@*/ |
4290 | ||
616915dd | 4291 | e->used = FALSE; |
4292 | e->lset = FALSE; | |
4293 | e->uses = filelocList_new (); | |
4294 | ||
4295 | e->info = (uinfo) dmalloc (sizeof (*e->info)); | |
4296 | e->info->datatype = (udinfo) dmalloc (sizeof (*e->info->datatype)); | |
28bf4b0b | 4297 | e->info->datatype->abs = abstract; |
616915dd | 4298 | e->info->datatype->mut = mut; |
4299 | e->info->datatype->type = rtype; | |
28bf4b0b | 4300 | |
4301 | DPRINTF (("About to store: %s", sRef_unparseFull (e->sref))); | |
616915dd | 4302 | sRef_storeState (e->sref); |
28bf4b0b | 4303 | DPRINTF (("After store: %s", sRef_unparseFull (e->sref))); |
616915dd | 4304 | |
4305 | return (e); | |
4306 | } | |
4307 | ||
4308 | # ifndef NOLCL | |
4309 | static void uentry_setHasGlobs (uentry ue) | |
4310 | { | |
4311 | llassert (uentry_isFunction (ue)); | |
4312 | ||
4313 | ue->info->fcn->hasGlobs = TRUE; | |
4314 | } | |
4315 | ||
4316 | static void uentry_setHasMods (uentry ue) | |
4317 | { | |
4318 | llassert (uentry_isFunction (ue)); | |
4319 | ||
4320 | ue->info->fcn->hasMods = TRUE; | |
4321 | } | |
4322 | # endif | |
4323 | ||
4324 | bool uentry_hasGlobs (uentry ue) | |
4325 | { | |
4326 | if (uentry_isFunction (ue)) | |
4327 | { | |
4328 | return (ue->info->fcn->hasGlobs); | |
4329 | } | |
4330 | ||
4331 | return FALSE; | |
4332 | } | |
4333 | ||
28bf4b0b | 4334 | bool uentry_hasStateClauseList (uentry ue) |
616915dd | 4335 | { |
28bf4b0b | 4336 | return (uentry_isFunction (ue) && stateClauseList_isDefined (ue->info->fcn->specclauses)); |
616915dd | 4337 | } |
4338 | ||
28bf4b0b | 4339 | stateClauseList uentry_getStateClauseList (uentry ue) |
616915dd | 4340 | { |
28bf4b0b | 4341 | if (!uentry_isFunction (ue)) |
4342 | { | |
4343 | llassert (uentry_isFunction (ue)); | |
4344 | return stateClauseList_undefined; | |
4345 | } | |
4346 | ||
4347 | DPRINTF (("Get state clause list: %s", uentry_unparse (ue))); | |
616915dd | 4348 | return ue->info->fcn->specclauses; |
4349 | } | |
4350 | ||
4351 | bool uentry_hasMods (uentry ue) | |
4352 | { | |
4353 | if (uentry_isFunction (ue)) | |
4354 | { | |
4355 | return (ue->info->fcn->hasMods); | |
4356 | } | |
4357 | ||
4358 | return FALSE; | |
4359 | } | |
4360 | ||
4361 | static uentry | |
4362 | uentry_makeFunctionBase (/*@only@*/ cstring name, ctype ct, | |
4363 | typeIdSet access, | |
4364 | bool hasGlobs, /*@only@*/ globSet globs, | |
4365 | bool hasMods, /*@only@*/ sRefSet mods, | |
4366 | alkind ak, exkind exp, | |
4367 | sstate defstate, nstate isnull, | |
4368 | exitkind exitCode, | |
4369 | specCode sCode, | |
4370 | qual nullPred, | |
28bf4b0b | 4371 | /*@only@*/ stateClauseList specclauses, |
4372 | /*@only@*/ warnClause warnclause, | |
616915dd | 4373 | /*@only@*/ fileloc loc) |
4374 | { | |
4375 | uentry e = uentry_alloc (); | |
4376 | ctype ret; | |
4377 | ||
4378 | /* e->shallowCopy = FALSE; */ | |
4379 | e->ukind = KFCN; | |
4380 | e->uname = name; | |
4381 | e->utype = ct; | |
4382 | e->storageclass = SCNONE; | |
4383 | ||
4384 | if (ctype_isFunction (ct)) | |
4385 | { | |
28bf4b0b | 4386 | ret = ctype_getReturnType (ct); |
616915dd | 4387 | } |
4388 | else | |
4389 | { | |
4390 | if (ctype_isKnown (ct)) | |
4391 | { | |
4392 | llbug (message ("not function: %s", ctype_unparse (ct))); | |
4393 | } | |
4394 | ||
4395 | ret = ctype_unknown; | |
4396 | } | |
4397 | ||
4398 | e->sref = sRef_makeType (ret); | |
4399 | ||
4400 | if (ctype_isUA (ret)) | |
4401 | { | |
4402 | sRef_setStateFromType (e->sref, ret); | |
4403 | } | |
4404 | ||
4405 | sRef_setDefined (e->sref, loc); | |
4406 | sRef_setNullState (e->sref, isnull, loc); | |
4407 | ||
4408 | sRef_setAliasKind (e->sref, ak, loc); | |
4409 | sRef_setExKind (e->sref, exp, loc); | |
4410 | sRef_setDefState (e->sref, defstate, loc); | |
4411 | ||
4412 | e->whereSpecified = loc; | |
4413 | e->whereDefined = fileloc_undefined; | |
4414 | ||
4415 | e->isPrivate = FALSE; | |
4416 | e->hasNameError = FALSE; | |
4417 | ||
4418 | e->used = FALSE; | |
4419 | e->lset = FALSE; | |
4420 | e->uses = filelocList_new (); | |
28bf4b0b | 4421 | e->warn = warnclause; |
616915dd | 4422 | |
4423 | e->info = (uinfo) dmalloc (sizeof (*e->info)); | |
4424 | e->info->fcn = (ufinfo) dmalloc (sizeof (*e->info->fcn)); | |
4425 | ||
4426 | e->info->fcn->exitCode = exitCode; | |
4427 | e->info->fcn->specialCode = sCode; | |
4428 | e->info->fcn->nullPred = nullPred; | |
4429 | e->info->fcn->access = access; | |
4430 | ||
4431 | e->info->fcn->specclauses = specclauses; | |
4432 | e->info->fcn->hasGlobs = hasGlobs; | |
4433 | e->info->fcn->globs = globs; | |
4434 | ||
4435 | e->info->fcn->hasMods = hasMods; | |
4436 | e->info->fcn->mods = mods; | |
4437 | ||
4438 | e->info->fcn->defparams = uentryList_undefined; | |
4439 | e->whereDeclared = fileloc_undefined; | |
4440 | ||
4441 | sRef_storeState (e->sref); | |
4442 | ||
4443 | /*drl 111 30 2000*/ | |
4444 | e->info->fcn->preconditions = NULL; | |
4445 | /* end drl */ | |
4446 | ||
4447 | /*drl 12 28 2000*/ | |
4448 | e->info->fcn->postconditions = NULL; | |
4449 | /* end drl */ | |
4450 | ||
4451 | return (e); | |
4452 | } | |
4453 | ||
4454 | static /*@only@*/ uentry | |
4455 | uentry_makeTagBase (/*@only@*/ cstring name, ekind tagkind, | |
4456 | ctype ct, ctype rtype, /*@only@*/ fileloc loc) | |
4457 | { | |
4458 | uentry e = uentry_alloc (); | |
4459 | ||
4460 | if (tagkind != KSTRUCTTAG && tagkind != KUNIONTAG && tagkind != KENUMTAG) | |
4461 | { | |
4462 | llbuglit ("uentry_makeTagBase: not a tag type"); | |
4463 | } | |
4464 | ||
4465 | /* e->shallowCopy = FALSE; */ | |
4466 | e->ukind = tagkind; | |
4467 | e->uname = name; | |
4468 | e->utype = ct; | |
4469 | e->sref = sRef_makeUnknown (); | |
4470 | e->storageclass = SCNONE; | |
4471 | ||
4472 | if (fileloc_isSpec (loc)) | |
4473 | { | |
4474 | e->whereSpecified = loc; | |
4475 | e->whereDeclared = fileloc_undefined; | |
4476 | } | |
4477 | else | |
4478 | { | |
4479 | e->whereDeclared = loc; | |
4480 | e->whereSpecified = fileloc_undefined; | |
4481 | } | |
4482 | ||
4483 | e->whereDefined = fileloc_undefined; | |
4484 | ||
4485 | e->isPrivate = FALSE; | |
4486 | e->hasNameError = FALSE; | |
4487 | ||
4488 | e->used = FALSE; | |
4489 | e->lset = FALSE; | |
4490 | e->uses = filelocList_new (); | |
28bf4b0b | 4491 | e->warn = warnClause_undefined; /*@i452@*/ |
616915dd | 4492 | |
4493 | e->info = (uinfo) dmalloc (sizeof (*e->info)); | |
4494 | e->info->datatype = (udinfo) dmalloc (sizeof (*e->info->datatype)); | |
4495 | e->info->datatype->abs = NO; | |
4496 | e->info->datatype->mut = MAYBE; | |
4497 | e->info->datatype->type = rtype; | |
4498 | ||
4499 | sRef_storeState (e->sref); | |
4500 | ||
4501 | return (e); | |
4502 | } | |
4503 | ||
4504 | static uentry | |
4505 | uentry_makeIterBase (/*@only@*/ cstring name, typeIdSet access, | |
4506 | ctype ct, /*@only@*/ fileloc loc) | |
4507 | { | |
4508 | uentry e = uentry_alloc (); | |
4509 | ||
4510 | /* e->shallowCopy = FALSE; */ | |
4511 | e->ukind = KITER; | |
4512 | e->uname = name; | |
4513 | e->utype = ct; | |
4514 | e->sref = sRef_makeUnknown (); | |
4515 | e->storageclass = SCNONE; | |
4516 | ||
4517 | if (fileloc_isSpec (loc)) | |
4518 | { | |
4519 | e->whereSpecified = loc; | |
4520 | e->whereDeclared = fileloc_undefined; | |
4521 | } | |
4522 | else | |
4523 | { | |
4524 | e->whereDeclared = loc; | |
4525 | e->whereSpecified = fileloc_undefined; | |
4526 | } | |
4527 | ||
4528 | e->whereDefined = fileloc_undefined; | |
4529 | ||
4530 | e->isPrivate = FALSE; | |
4531 | e->hasNameError = FALSE; | |
4532 | ||
4533 | e->used = FALSE; | |
4534 | e->lset = FALSE; | |
4535 | e->uses = filelocList_new (); | |
28bf4b0b | 4536 | e->warn = warnClause_undefined; /*@i452@*/ |
616915dd | 4537 | |
4538 | e->info = (uinfo) dmalloc (sizeof (*e->info)); | |
4539 | e->info->iter = (uiinfo) dmalloc (sizeof (*e->info->iter)); | |
4540 | e->info->iter->access = access; | |
4541 | e->info->iter->mods = sRefSet_undefined; | |
4542 | e->info->iter->globs = globSet_undefined; | |
4543 | ||
4544 | sRef_storeState (e->sref); | |
4545 | return (e); | |
4546 | } | |
4547 | ||
4548 | static uentry | |
4549 | uentry_makeEndIterBase (/*@only@*/ cstring name, typeIdSet access, | |
4550 | /*@only@*/ fileloc loc) | |
4551 | { | |
4552 | uentry e = uentry_alloc (); | |
4553 | ||
4554 | /* e->shallowCopy = FALSE; */ | |
4555 | e->ukind = KENDITER; | |
4556 | e->storageclass = SCNONE; | |
4557 | e->uname = name; | |
4558 | e->utype = ctype_unknown; | |
4559 | e->sref = sRef_makeUnknown (); | |
4560 | ||
4561 | if (fileloc_isSpec (loc)) | |
4562 | { | |
4563 | e->whereSpecified = loc; | |
4564 | e->whereDeclared = fileloc_undefined; | |
4565 | } | |
4566 | else | |
4567 | { | |
4568 | e->whereDeclared = loc; | |
4569 | e->whereSpecified = fileloc_undefined; | |
4570 | } | |
4571 | ||
4572 | e->whereDefined = fileloc_undefined; | |
4573 | ||
4574 | e->isPrivate = FALSE; | |
4575 | e->hasNameError = FALSE; | |
4576 | ||
4577 | e->used = FALSE; | |
4578 | e->lset = FALSE; | |
4579 | e->uses = filelocList_new (); | |
28bf4b0b | 4580 | e->warn = warnClause_undefined; /*@i452@*/ |
616915dd | 4581 | |
4582 | e->info = (uinfo) dmalloc (sizeof (*e->info)); | |
4583 | e->info->enditer = (ueinfo) dmalloc (sizeof (*e->info->enditer)); | |
4584 | e->info->enditer->access = access; | |
4585 | sRef_storeState (e->sref); | |
4586 | ||
4587 | return (e); | |
4588 | } | |
4589 | ||
4590 | void uentry_markFree (/*@unused@*/ /*@owned@*/ uentry u) | |
4591 | { | |
4592 | /* should save u */ | |
4593 | /*@-mustfree@*/ | |
4594 | } | |
4595 | /*@=mustfree@*/ | |
4596 | ||
4597 | /*@only@*/ uentry | |
4598 | uentry_undump (ekind kind, fileloc loc, char **s) | |
4599 | { | |
4600 | uentry ue; | |
4601 | ||
28bf4b0b | 4602 | DPRINTF (("Uentry undump: %s", *s)); |
4603 | ||
616915dd | 4604 | if (**s == '!') |
4605 | { | |
28bf4b0b | 4606 | reader_checkChar (s, '!'); |
4607 | reader_checkChar (s, '.'); | |
616915dd | 4608 | ue = uentry_makeElipsisMarker (); |
4609 | } | |
4610 | else | |
4611 | { | |
4612 | ctype ct = ctype_undump (s); | |
4613 | cstring name; | |
4614 | ||
4615 | switch (kind) | |
4616 | { | |
4617 | case KVAR: | |
4618 | { | |
4619 | vkind tkind; | |
4620 | sstate defstate; | |
4621 | nstate isnull; | |
4622 | alkind aliased; | |
4623 | exkind exp; | |
4624 | chkind checked; | |
4625 | ||
28bf4b0b | 4626 | reader_checkChar (s, '|'); |
616915dd | 4627 | |
28bf4b0b | 4628 | if (reader_optCheckChar (s, '@')) |
616915dd | 4629 | { |
28bf4b0b | 4630 | tkind = vkind_fromInt (reader_getInt (s)); |
4631 | reader_checkChar (s, '|'); | |
616915dd | 4632 | } |
4633 | else | |
4634 | { | |
4635 | tkind = VKPARAM; | |
4636 | } | |
4637 | ||
28bf4b0b | 4638 | if (reader_optCheckChar (s, '$')) |
616915dd | 4639 | { |
4640 | defstate = SS_UNKNOWN; | |
4641 | isnull = NS_UNKNOWN; | |
4642 | aliased = AK_IMPTEMP; | |
4643 | exp = XO_UNKNOWN; | |
4644 | checked = CH_UNKNOWN; | |
4645 | } | |
28bf4b0b | 4646 | else if (reader_optCheckChar (s, '&')) |
616915dd | 4647 | { |
4648 | defstate = SS_DEFINED; | |
4649 | isnull = NS_UNKNOWN; | |
4650 | aliased = AK_IMPTEMP; | |
4651 | exp = XO_UNKNOWN; | |
4652 | checked = CH_UNKNOWN; | |
4653 | } | |
28bf4b0b | 4654 | else if (reader_optCheckChar (s, '^')) |
616915dd | 4655 | { |
4656 | defstate = SS_UNKNOWN; | |
4657 | isnull = NS_UNKNOWN; | |
4658 | aliased = AK_IMPTEMP; | |
4659 | exp = XO_UNKNOWN; | |
4660 | checked = CH_UNKNOWN; | |
4661 | } | |
4662 | else | |
4663 | { | |
28bf4b0b | 4664 | defstate = sstate_fromInt (reader_getInt (s)); |
4665 | advanceField (s); isnull = nstate_fromInt (reader_getInt (s)); | |
4666 | advanceField (s); aliased = alkind_fromInt (reader_getInt (s)); | |
616915dd | 4667 | |
28bf4b0b | 4668 | if (reader_optCheckChar (s, '&')) |
616915dd | 4669 | { |
4670 | exp = XO_UNKNOWN; | |
4671 | checked = CH_UNKNOWN; | |
4672 | } | |
4673 | else | |
4674 | { | |
28bf4b0b | 4675 | advanceField (s); exp = exkind_fromInt (reader_getInt (s)); |
4676 | advanceField (s); checked = (chkind) (reader_getInt (s)); | |
616915dd | 4677 | } |
4678 | } | |
4679 | ||
4680 | advanceName (s); | |
28bf4b0b | 4681 | name = reader_getStringWord (s); |
616915dd | 4682 | |
28bf4b0b | 4683 | llassert (!cstring_equal (name, GLOBAL_MARKER_NAME)); |
4684 | ||
616915dd | 4685 | ue = uentry_makeVariableBase (name, ct, tkind, defstate, |
4686 | isnull, aliased, exp, | |
4687 | checked, fileloc_copy (loc)); | |
4688 | } | |
4689 | break; | |
4690 | case KDATATYPE: | |
4691 | { | |
28bf4b0b | 4692 | ynm abstract; |
616915dd | 4693 | ynm mut; |
4694 | ctype rtype; | |
4695 | sstate defstate; | |
4696 | nstate isnull; | |
4697 | alkind aliased; | |
4698 | exkind exp; | |
4699 | ||
28bf4b0b | 4700 | advanceField (s); abstract = ynm_fromCodeChar (reader_loadChar (s)); |
4701 | advanceField (s); mut = ynm_fromCodeChar (reader_loadChar (s)); | |
4702 | advanceField (s); defstate = sstate_fromInt (reader_getInt (s)); | |
4703 | advanceField (s); isnull = nstate_fromInt (reader_getInt (s)); | |
4704 | advanceField (s); aliased = alkind_fromInt (reader_getInt (s)); | |
4705 | advanceField (s); exp = exkind_fromInt (reader_getInt (s)); | |
616915dd | 4706 | advanceField (s); rtype = ctype_undump (s); |
4707 | advanceName (s); | |
28bf4b0b | 4708 | name = reader_getStringWord (s); |
4709 | DPRINTF (("Datatype %s, Exp = %s", name, exkind_unparse (exp))); | |
4710 | ue = uentry_makeDatatypeBase (name, ct, abstract, mut, rtype, | |
616915dd | 4711 | aliased, exp, defstate, isnull, |
4712 | fileloc_copy (loc)); | |
4713 | } | |
4714 | break; | |
4715 | case KFCN: | |
4716 | { | |
4717 | alkind ak; | |
4718 | exkind exp; | |
4719 | sstate defstate; | |
4720 | nstate isnull; | |
4721 | exitkind exitCode; | |
4722 | specCode specc; | |
4723 | qual nullPred; | |
4724 | typeIdSet access; | |
4725 | bool hasGlobs; | |
4726 | globSet globs; | |
4727 | bool hasMods; | |
4728 | sRefSet mods; | |
28bf4b0b | 4729 | stateClauseList specclauses = stateClauseList_undefined; |
4730 | warnClause warnclause = warnClause_undefined; | |
616915dd | 4731 | |
28bf4b0b | 4732 | if (reader_optCheckChar (s, '$')) |
616915dd | 4733 | { |
4734 | defstate = SS_DEFINED; | |
4735 | isnull = NS_UNKNOWN; | |
4736 | exitCode = XK_UNKNOWN; | |
4737 | specc = SPC_NONE; | |
28bf4b0b | 4738 | nullPred = qual_createUnknown (); |
616915dd | 4739 | } |
4740 | else | |
4741 | { | |
28bf4b0b | 4742 | advanceField (s); defstate = sstate_fromInt (reader_getInt (s)); |
4743 | advanceField (s); isnull = nstate_fromInt (reader_getInt (s)); | |
4744 | advanceField (s); exitCode = exitkind_fromInt (reader_getInt (s)); | |
4745 | advanceField (s); specc = specCode_fromInt (reader_getInt (s)); | |
4746 | advanceField (s); nullPred = qual_undump (s); | |
616915dd | 4747 | } |
4748 | ||
28bf4b0b | 4749 | if (reader_optCheckChar (s, '$')) |
616915dd | 4750 | { |
4751 | hasGlobs = FALSE; | |
4752 | globs = globSet_undefined; | |
4753 | hasMods = FALSE; | |
4754 | mods = sRefSet_undefined; | |
4755 | } | |
28bf4b0b | 4756 | else if (reader_optCheckChar (s, '^')) |
616915dd | 4757 | { |
4758 | hasGlobs = TRUE; | |
4759 | globs = globSet_undefined; | |
4760 | hasMods = TRUE; | |
4761 | mods = sRefSet_undefined; | |
4762 | } | |
4763 | else | |
4764 | { | |
28bf4b0b | 4765 | advanceField (s); hasGlobs = bool_fromInt (reader_getInt (s)); |
616915dd | 4766 | advanceField (s); globs = globSet_undump (s); |
28bf4b0b | 4767 | advanceField (s); hasMods = bool_fromInt (reader_getInt (s)); |
616915dd | 4768 | advanceField (s); mods = sRefSet_undump (s); |
4769 | } | |
4770 | ||
28bf4b0b | 4771 | if (reader_optCheckChar (s, '$')) |
616915dd | 4772 | { |
4773 | ak = AK_UNKNOWN; | |
4774 | exp = XO_UNKNOWN; | |
4775 | } | |
4776 | else | |
4777 | { | |
28bf4b0b | 4778 | advanceField (s); ak = alkind_fromInt (reader_getInt (s)); |
4779 | advanceField (s); exp = exkind_fromInt (reader_getInt (s)); | |
616915dd | 4780 | } |
4781 | ||
4782 | advanceField (s); access = typeIdSet_undump (s); | |
4783 | ||
28bf4b0b | 4784 | /* |
4785 | ** Optional clauses: Start with @<code>: | |
4786 | */ | |
4787 | ||
4788 | while (reader_optCheckChar (s, '@')) | |
616915dd | 4789 | { |
28bf4b0b | 4790 | if (reader_optCheckChar (s, 'W')) /* Warn clause */ |
4791 | { | |
4792 | reader_checkChar (s, ':'); | |
4793 | warnclause = warnClause_undump (s); | |
4794 | } | |
4795 | else if (reader_optCheckChar (s, 'S')) /* stateClause List */ | |
4796 | { | |
4797 | reader_checkChar (s, ':'); | |
4798 | specclauses = stateClauseList_undump (s); | |
4799 | } | |
4800 | else | |
4801 | { | |
4802 | BADBRANCH; | |
4803 | } | |
616915dd | 4804 | } |
4805 | ||
28bf4b0b | 4806 | advanceName (s); name = reader_getStringWord (s); |
616915dd | 4807 | |
4808 | ue = uentry_makeFunctionBase (name, ct, access, | |
4809 | hasGlobs, globs, | |
4810 | hasMods, mods, | |
4811 | ak, exp, defstate, isnull, | |
4812 | exitCode, specc, nullPred, | |
4813 | specclauses, | |
28bf4b0b | 4814 | warnclause, |
616915dd | 4815 | fileloc_copy (loc)); |
4816 | DPRINTF (("Undump: %s", uentry_unparse (ue))); | |
4817 | } | |
4818 | break; | |
4819 | case KITER: | |
4820 | { | |
4821 | typeIdSet access; | |
4822 | ||
4823 | advanceField (s); access = typeIdSet_undump (s); | |
28bf4b0b | 4824 | advanceName (s); name = reader_getStringWord (s); |
616915dd | 4825 | |
4826 | ue = uentry_makeIterBase (name, access, ct, | |
4827 | fileloc_copy (loc)); | |
4828 | } | |
4829 | break; | |
4830 | case KENDITER: | |
4831 | { | |
4832 | typeIdSet access; | |
4833 | ||
4834 | advanceField (s); access = typeIdSet_undump (s); | |
28bf4b0b | 4835 | advanceName (s); name = reader_getStringWord (s); |
616915dd | 4836 | |
4837 | ue = uentry_makeEndIterBase (name, access, fileloc_copy (loc)); | |
4838 | } | |
4839 | break; | |
4840 | case KENUMCONST: | |
4841 | case KCONST: | |
4842 | { | |
4843 | typeIdSet access; | |
4844 | multiVal val; | |
4845 | nstate nullstate; | |
4846 | ||
28bf4b0b | 4847 | if (reader_optCheckChar (s, '$')) |
616915dd | 4848 | { |
4849 | val = multiVal_undefined; | |
4850 | access = typeIdSet_undefined; | |
4851 | nullstate = NS_UNKNOWN; | |
4852 | } | |
4853 | else | |
4854 | { | |
4855 | advanceField (s); val = multiVal_undump (s); | |
4856 | advanceField (s); access = typeIdSet_undump (s); | |
28bf4b0b | 4857 | advanceField (s); nullstate = nstate_fromInt (reader_getInt (s)); |
616915dd | 4858 | } |
4859 | ||
28bf4b0b | 4860 | advanceName (s); name = reader_getStringWord (s); |
616915dd | 4861 | |
4862 | ue = uentry_makeConstantBase (name, ct, access, | |
4863 | nullstate, fileloc_copy (loc), val); | |
4864 | break; | |
4865 | } | |
4866 | case KSTRUCTTAG: | |
4867 | case KUNIONTAG: | |
4868 | case KENUMTAG: | |
4869 | { | |
4870 | ctype rtype; | |
4871 | ||
4872 | advanceField (s); rtype = ctype_undump (s); | |
28bf4b0b | 4873 | advanceName (s); name = reader_getStringWord (s); |
616915dd | 4874 | ue = uentry_makeTagBase (name, kind, ct, rtype, fileloc_copy (loc)); |
4875 | } | |
4876 | break; | |
4877 | case KINVALID: | |
4878 | llcontbuglit ("uentry_undump: invalid"); | |
4879 | ue = uentry_undefined; | |
4880 | break; | |
4881 | case KELIPSMARKER: | |
4882 | llcontbuglit ("uentry_undump: elips marker"); | |
4883 | ue = uentry_undefined; | |
4884 | break; | |
4885 | } | |
4886 | } | |
4887 | ||
4888 | return (ue); | |
4889 | } | |
4890 | ||
4891 | cstring | |
4892 | uentry_dump (uentry v) | |
4893 | { | |
4894 | return (uentry_dumpAux (v, FALSE)); | |
4895 | } | |
4896 | ||
4897 | cstring | |
4898 | uentry_dumpParam (uentry v) | |
4899 | { | |
4900 | llassertprint (uentry_isVariable (v) || uentry_isElipsisMarker (v), | |
4901 | ("dump: %s", uentry_unparseFull (v))); | |
4902 | ||
4903 | return (uentry_dumpAux (v, TRUE)); | |
4904 | } | |
4905 | ||
4906 | static cstring | |
4907 | uentry_dumpAux (uentry v, bool isParam) | |
4908 | { | |
4909 | llassert (uentry_isValid (v)); | |
28bf4b0b | 4910 | llassert (!uentry_isGlobalMarker (v)); |
616915dd | 4911 | |
28bf4b0b | 4912 | DPRINTF (("Dump uentry: [%p]", v)); |
616915dd | 4913 | DPRINTF (("Dumping entry: %s", uentry_unparseFull (v))); |
28bf4b0b | 4914 | |
616915dd | 4915 | switch (v->ukind) |
4916 | { | |
4917 | case KINVALID: | |
4918 | llcontbuglit ("uentry_dump: invalid entry"); | |
4919 | return cstring_undefined; | |
4920 | case KELIPSMARKER: | |
4921 | return (message ("!.")); | |
4922 | case KVAR: | |
4923 | { | |
4924 | cstring sdump; | |
4925 | vkind vk = v->info->var->kind; | |
4926 | sstate dss = sRef_getDefState (v->sref); | |
4927 | nstate nst = sRef_getNullState (v->sref); | |
4928 | alkind alk = sRef_getAliasKind (v->sref); | |
4929 | exkind exk = sRef_getExKind (v->sref); | |
4930 | chkind chk = v->info->var->checked; | |
4931 | ||
4932 | DPRINTF (("Dumping var")); | |
4933 | ||
4934 | if (dss == SS_UNKNOWN | |
4935 | && nst == NS_UNKNOWN | |
4936 | && alk == AK_IMPTEMP | |
4937 | && exk == XO_UNKNOWN | |
4938 | && chk == CH_UNKNOWN) | |
4939 | { | |
4940 | sdump = cstring_makeLiteral ("$"); | |
4941 | } | |
4942 | else if (dss == SS_DEFINED | |
4943 | && nst == NS_UNKNOWN | |
4944 | && alk == AK_IMPTEMP | |
4945 | && exk == XO_UNKNOWN | |
4946 | && chk == CH_UNKNOWN) | |
4947 | { | |
4948 | sdump = cstring_makeLiteral ("&"); | |
4949 | } | |
4950 | else if (dss == SS_UNKNOWN | |
4951 | && nst == NS_UNKNOWN | |
4952 | && alk == AK_UNKNOWN | |
4953 | && exk == XO_UNKNOWN | |
4954 | && chk == CH_UNKNOWN) | |
4955 | { | |
4956 | sdump = cstring_makeLiteral ("^"); | |
4957 | } | |
4958 | else if (exk == XO_UNKNOWN | |
4959 | && chk == CH_UNKNOWN) | |
4960 | { | |
4961 | sdump = message ("%d@%d@%d&", | |
4962 | (int) dss, | |
4963 | (int) nst, | |
4964 | (int) alk); | |
4965 | } | |
4966 | else | |
4967 | { | |
4968 | sdump = message ("%d@%d@%d@%d@%d", | |
4969 | (int) dss, | |
4970 | (int) nst, | |
4971 | (int) alk, | |
4972 | (int) exk, | |
4973 | (int) chk); | |
4974 | } | |
4975 | ||
4976 | ||
4977 | if (vk != VKPARAM) | |
4978 | { | |
4979 | return (message ("%q|@%d|%q#%s", | |
4980 | ctype_dump (v->utype), | |
4981 | (int) vk, | |
4982 | sdump, | |
4983 | isParam ? cstring_undefined : v->uname)); | |
4984 | } | |
4985 | else | |
4986 | { | |
4987 | return (message ("%q|%q#%s", | |
4988 | ctype_dump (v->utype), | |
4989 | sdump, | |
4990 | isParam ? cstring_undefined : v->uname)); | |
4991 | } | |
4992 | ||
4993 | } | |
4994 | case KDATATYPE: | |
28bf4b0b | 4995 | /* |
4996 | DPRINTF (("Dumping datatype: %s -> %s type: %s [%d]", | |
4997 | uentry_unparse (v), | |
4998 | exkind_unparse (sRef_getExKind (v->sref)), | |
4999 | ctype_unparse (v->utype), (int) v->utype)); | |
5000 | */ | |
5001 | ||
616915dd | 5002 | return (message ("%q@%s@%s@%d@%d@%d@%d@%q#%s", |
5003 | ctype_dump (v->utype), | |
5004 | ynm_unparseCode (v->info->datatype->abs), | |
5005 | ynm_unparseCode (v->info->datatype->mut), | |
5006 | (int) sRef_getDefState (v->sref), | |
5007 | (int) sRef_getNullState (v->sref), | |
5008 | (int) sRef_getAliasKind (v->sref), | |
5009 | (int) sRef_getExKind (v->sref), | |
5010 | ctype_dump (v->info->datatype->type), | |
5011 | v->uname)); | |
5012 | case KFCN: | |
5013 | { | |
28bf4b0b | 5014 | cstring sdump, gdump, adump, xdump; |
616915dd | 5015 | alkind alk = sRef_getAliasKind (v->sref); |
5016 | exkind exk = sRef_getExKind (v->sref); | |
5017 | ||
5018 | if (sRef_getDefState (v->sref) == SS_DEFINED | |
5019 | && !nstate_isKnown (sRef_getNullState (v->sref)) | |
5020 | && !exitkind_isKnown (v->info->fcn->exitCode) | |
5021 | && v->info->fcn->specialCode == SPC_NONE | |
28bf4b0b | 5022 | && qual_isUnknown (v->info->fcn->nullPred)) |
616915dd | 5023 | { |
5024 | sdump = cstring_makeLiteral ("$"); | |
5025 | } | |
5026 | else | |
5027 | { | |
28bf4b0b | 5028 | sdump = message ("@%d@%d@%d@%d@%x", |
616915dd | 5029 | (int) sRef_getDefState (v->sref), |
5030 | (int) sRef_getNullState (v->sref), | |
5031 | (int) v->info->fcn->exitCode, | |
5032 | (int) v->info->fcn->specialCode, | |
28bf4b0b | 5033 | qual_dump (v->info->fcn->nullPred)); |
616915dd | 5034 | } |
5035 | ||
5036 | if (!uentry_hasGlobs(v) && !uentry_hasMods (v)) | |
5037 | { | |
5038 | gdump = cstring_makeLiteral ("$"); | |
5039 | } | |
5040 | else if (uentry_hasGlobs (v) && globSet_isEmpty (uentry_getGlobs (v)) | |
5041 | && uentry_hasMods (v) && sRefSet_isEmpty (uentry_getMods (v))) | |
5042 | { | |
5043 | gdump = cstring_makeLiteral ("^"); | |
5044 | } | |
5045 | else | |
5046 | { | |
5047 | gdump = message ("@%s@%q@%s@%q", | |
5048 | bool_dump (uentry_hasGlobs (v)), | |
5049 | globSet_dump (uentry_getGlobs (v)), | |
5050 | bool_dump (uentry_hasMods (v)), | |
5051 | sRefSet_dump (uentry_getMods (v))); | |
5052 | } | |
5053 | ||
5054 | if (alk == AK_UNKNOWN && exk == XO_UNKNOWN) | |
5055 | { | |
5056 | adump = cstring_makeLiteral ("$"); | |
5057 | } | |
5058 | else | |
5059 | { | |
5060 | adump = message ("@%d@%d", (int) alk, (int) exk); | |
5061 | } | |
5062 | ||
28bf4b0b | 5063 | xdump = cstring_undefined; |
5064 | ||
5065 | if (uentry_hasWarning (v)) | |
616915dd | 5066 | { |
28bf4b0b | 5067 | xdump = message ("%q@W:%q", xdump, warnClause_dump (v->warn)); |
616915dd | 5068 | } |
28bf4b0b | 5069 | |
5070 | if (uentry_hasStateClauseList (v)) | |
616915dd | 5071 | { |
28bf4b0b | 5072 | xdump = message ("%q@S:%q", xdump, stateClauseList_dump (v->info->fcn->specclauses)); |
616915dd | 5073 | } |
28bf4b0b | 5074 | |
5075 | return (message ("%q%q%q%q@%q%q#%s", | |
5076 | ctype_dump (v->utype), | |
5077 | sdump, | |
5078 | gdump, | |
5079 | adump, | |
5080 | typeIdSet_dump (uentry_accessType (v)), | |
5081 | xdump, | |
5082 | v->uname)); | |
616915dd | 5083 | } |
5084 | case KITER: | |
5085 | return (message ("%q@%q#%s", | |
5086 | ctype_dump (v->utype), | |
5087 | typeIdSet_dump (v->info->iter->access), | |
5088 | v->uname)); | |
5089 | case KENDITER: | |
5090 | return (message ("%q@%q#%s", | |
5091 | ctype_dump (v->utype), | |
5092 | typeIdSet_dump (uentry_accessType (v)), | |
5093 | v->uname)); | |
5094 | case KENUMCONST: | |
5095 | case KCONST: | |
5096 | { | |
5097 | cstring sdump; | |
5098 | ||
5099 | if (multiVal_isUnknown (v->info->uconst->val) | |
5100 | && typeIdSet_isEmpty (uentry_accessType (v)) | |
5101 | && (sRef_getNullState (v->sref) == NS_UNKNOWN)) | |
5102 | { | |
5103 | sdump = cstring_makeLiteral ("$"); | |
5104 | } | |
5105 | else | |
5106 | { | |
5107 | sdump = message ("@%q@%q@%d", | |
5108 | multiVal_dump (v->info->uconst->val), | |
5109 | typeIdSet_dump (uentry_accessType (v)), | |
5110 | (int) sRef_getNullState (v->sref)); | |
5111 | } | |
5112 | ||
5113 | return (message ("%q%q#%s", | |
5114 | ctype_dump (v->utype), | |
5115 | sdump, | |
5116 | v->uname)); | |
5117 | } | |
5118 | case KSTRUCTTAG: | |
5119 | case KUNIONTAG: | |
5120 | case KENUMTAG: | |
5121 | return (message ("%q@%q#%s", | |
5122 | ctype_dump (v->utype), | |
5123 | ctype_dump (v->info->datatype->type), v->uname)); | |
5124 | } | |
5125 | ||
5126 | BADEXIT; | |
5127 | } | |
5128 | ||
5129 | /*@only@*/ cstring | |
5130 | uentry_unparseAbbrev (uentry v) | |
5131 | { | |
5132 | if (!uentry_isVariable (v)) | |
5133 | { | |
5134 | llcontbuglit ("uentry_unparseAbbrev: not variable"); | |
5135 | return uentry_unparse (v); | |
5136 | } | |
5137 | ||
5138 | return (message ("%s %q", ctype_unparseDeep (v->utype), uentry_getName (v))); | |
5139 | } | |
5140 | ||
5141 | /*@only@*/ cstring | |
5142 | uentry_unparse (uentry v) | |
5143 | { | |
5144 | cstring st; | |
5145 | ||
5146 | if (uentry_isUndefined (v)) return (cstring_makeLiteral ("<undefined>")); | |
5147 | if (uentry_isElipsisMarker (v)) return (cstring_makeLiteral ("...")); | |
5148 | ||
5149 | st = uentry_getName (v); | |
5150 | ||
5151 | if (cstring_isDefined (st)) | |
5152 | { | |
5153 | return (ctype_unparseDeclaration (v->utype, st)); | |
5154 | } | |
5155 | else | |
5156 | { | |
5157 | cstring_free (st); | |
5158 | return (cstring_copy (ctype_unparse (v->utype))); | |
5159 | } | |
5160 | } | |
5161 | ||
5162 | /*@only@*/ cstring | |
5163 | uentry_unparseFull (uentry v) | |
5164 | { | |
5165 | if (uentry_isUndefined (v)) | |
5166 | { | |
5167 | return (cstring_makeLiteral ("<undefined>")); | |
5168 | } | |
616915dd | 5169 | else |
5170 | { | |
28bf4b0b | 5171 | cstring res; |
5172 | ||
5173 | res = message ("[%w] %s %s: %s [spec: %q; decl: %q; def: %q]", | |
5174 | (unsigned long) v, ekind_unparse (v->ukind), v->uname, | |
5175 | ctype_unparse (v->utype), | |
5176 | fileloc_unparse (uentry_whereSpecified (v)), | |
5177 | fileloc_unparse (uentry_whereDeclared (v)), | |
5178 | fileloc_unparse (uentry_whereDefined (v))); | |
5179 | ||
5180 | DPRINTF (("uentry: %s", res)); | |
5181 | ||
5182 | if (uentry_isDatatype (v)) | |
5183 | { | |
5184 | res = message ("%q / type: %s mut: %s abs: %s state: %q", | |
5185 | res, | |
5186 | ctype_unparse | |
5187 | (ctype_isDefined (v->info->datatype->type) | |
5188 | ? v->info->datatype->type : ctype_unknown), | |
5189 | ynm_unparse (v->info->datatype->mut), | |
5190 | ynm_unparse (v->info->datatype->abs), | |
5191 | sRef_unparseState (v->sref)); | |
5192 | } | |
5193 | else if (uentry_isFunction (v)) | |
5194 | { | |
5195 | res = message ("%q / sref: %q / mods: %q / " | |
5196 | "globs: %q / clauses: %q", | |
5197 | res, | |
5198 | sRef_unparseFull (v->sref), | |
5199 | sRefSet_unparse (v->info->fcn->mods), | |
5200 | globSet_unparse (v->info->fcn->globs), | |
5201 | stateClauseList_unparse (v->info->fcn->specclauses)); | |
5202 | } | |
5203 | else if (uentry_isIter (v)) | |
5204 | { | |
5205 | res = message ("%q / sref: %q", | |
5206 | res, | |
5207 | sRef_unparseFull (v->sref)); | |
5208 | } | |
5209 | else if (uentry_isVariable (v)) | |
5210 | { | |
5211 | res = message ("%q / sref: %q / kind <%d> isout <%d> null <%d> used <%d>", | |
5212 | res, | |
5213 | sRef_unparseFull (v->sref), | |
5214 | (int) v->info->var->kind, | |
5215 | (int) v->info->var->defstate, | |
5216 | (int) v->info->var->nullstate, | |
5217 | (int) v->used); | |
5218 | DPRINTF (("sref: [%p]", v->sref)); | |
5219 | DPRINTF (("sref: %s", sRef_unparseDebug (v->sref))); | |
5220 | /* DPRINTF (("sref: %s", sRef_unparseDeep (v->sref))); */ | |
5221 | } | |
5222 | else | |
5223 | { | |
5224 | res = message ("%q :: %q", res, uentry_unparse (v)); | |
5225 | } | |
5226 | ||
5227 | return res; | |
616915dd | 5228 | } |
5229 | } | |
5230 | ||
5231 | bool uentry_hasAccessType (uentry e) | |
5232 | { | |
5233 | if (uentry_isValid (e)) | |
5234 | { | |
5235 | switch (e->ukind) | |
5236 | { | |
5237 | case KITER: | |
5238 | return (!typeIdSet_isEmpty (e->info->iter->access)); | |
5239 | case KENDITER: | |
5240 | return (!typeIdSet_isEmpty (e->info->enditer->access)); | |
5241 | case KFCN: | |
5242 | return (!typeIdSet_isEmpty (e->info->fcn->access)); | |
5243 | case KENUMCONST: | |
5244 | case KCONST: | |
5245 | return (!typeIdSet_isEmpty (e->info->uconst->access)); | |
5246 | default: | |
5247 | return FALSE; | |
5248 | } | |
5249 | } | |
5250 | ||
5251 | return FALSE; | |
5252 | } | |
5253 | ||
5254 | typeIdSet uentry_accessType (uentry e) | |
5255 | { | |
5256 | if (uentry_isValid (e)) | |
5257 | { | |
5258 | switch (e->ukind) | |
5259 | { | |
5260 | case KITER: | |
5261 | return (e->info->iter->access); | |
5262 | case KENDITER: | |
5263 | return (e->info->enditer->access); | |
5264 | case KFCN: | |
5265 | return (e->info->fcn->access); | |
5266 | case KENUMCONST: | |
5267 | case KCONST: | |
5268 | return (e->info->uconst->access); | |
5269 | default: | |
5270 | break; | |
5271 | } | |
5272 | } | |
5273 | ||
5274 | return typeIdSet_undefined; | |
5275 | } | |
5276 | ||
5277 | bool | |
5278 | uentry_isVariable (uentry e) | |
5279 | { | |
5280 | return (uentry_isVar (e)); | |
5281 | } | |
5282 | ||
5283 | bool | |
5284 | uentry_isSpecified (uentry e) | |
5285 | { | |
5286 | return (uentry_isValid (e) && !fileloc_isUndefined (e->whereSpecified)); | |
5287 | } | |
5288 | ||
5289 | static bool | |
5290 | uentry_isReallySpecified (uentry e) | |
5291 | { | |
5292 | return (uentry_isValid (e) | |
5293 | && fileloc_isRealSpec (e->whereSpecified)); | |
5294 | } | |
5295 | ||
5296 | bool | |
5297 | uentry_isVar (uentry e) | |
5298 | { | |
5299 | return (!uentry_isUndefined (e) && e->ukind == KVAR); | |
5300 | } | |
5301 | ||
5302 | bool | |
5303 | uentry_isFakeTag (uentry e) | |
5304 | { | |
5305 | return (uentry_isValid (e) && strchr (cstring_toCharsSafe (e->uname), '!') != 0); | |
5306 | } | |
5307 | ||
5308 | bool | |
5309 | uentry_isDatatype (uentry e) | |
5310 | { | |
5311 | return (!uentry_isUndefined (e) && | |
5312 | (e->ukind == KDATATYPE || e->ukind == KSTRUCTTAG || | |
5313 | e->ukind == KUNIONTAG || e->ukind == KENUMTAG)); | |
5314 | } | |
5315 | ||
5316 | void | |
5317 | uentry_setAbstract (uentry e) | |
5318 | { | |
5319 | typeId oldid; | |
5320 | ||
5321 | llassert (uentry_isDatatype (e) | |
5322 | && (ynm_isMaybe (e->info->datatype->abs))); | |
5323 | ||
5324 | oldid = ctype_typeId (e->info->datatype->type); | |
5325 | e->info->datatype->abs = YES; | |
5326 | e->info->datatype->type = ctype_createAbstract (oldid); | |
5327 | } | |
5328 | ||
5329 | void | |
5330 | uentry_setConcrete (uentry e) | |
5331 | { | |
5332 | llassert (uentry_isDatatype (e) | |
5333 | && (ynm_isMaybe (e->info->datatype->abs))); | |
5334 | ||
5335 | e->info->datatype->abs = NO; | |
5336 | } | |
5337 | ||
5338 | bool | |
5339 | uentry_isAbstractDatatype (uentry e) | |
5340 | { | |
5341 | return (uentry_isDatatype (e) | |
5342 | && (ynm_isOn (e->info->datatype->abs))); | |
5343 | } | |
5344 | ||
5345 | bool | |
5346 | uentry_isMaybeAbstract (uentry e) | |
5347 | { | |
5348 | return (uentry_isDatatype (e) | |
5349 | && (ynm_isMaybe (e->info->datatype->abs))); | |
5350 | } | |
5351 | ||
5352 | bool | |
5353 | uentry_isMutableDatatype (uentry e) | |
5354 | { | |
5355 | bool res = uentry_isDatatype (e) | |
5356 | && (ynm_toBoolRelaxed (e->info->datatype->mut)); | |
5357 | ||
5358 | return res; | |
5359 | } | |
5360 | ||
5361 | bool | |
5362 | uentry_isRefCountedDatatype (uentry e) | |
5363 | { | |
5364 | return (uentry_isDatatype (e) && (sRef_isRefCounted (uentry_getSref (e)))); | |
5365 | } | |
5366 | ||
5367 | bool | |
5368 | uentry_isParam (uentry u) | |
5369 | { | |
5370 | return (uentry_isVariable (u) && (u->info->var->kind == VKPARAM | |
5371 | || u->info->var->kind == VKYIELDPARAM)); | |
5372 | } | |
5373 | ||
5374 | bool | |
5375 | uentry_isExpandedMacro (uentry u) | |
5376 | { | |
5377 | return (uentry_isVariable (u) && (u->info->var->kind == VKEXPMACRO)); | |
5378 | } | |
5379 | ||
5380 | bool | |
5381 | uentry_isSefParam (uentry u) | |
5382 | { | |
5383 | return (uentry_isVariable (u) | |
5384 | && (u->info->var->kind == VKSEFPARAM | |
5385 | || u->info->var->kind == VKREFSEFPARAM | |
5386 | || u->info->var->kind == VKSEFRETPARAM | |
5387 | || u->info->var->kind == VKREFSEFRETPARAM)); | |
5388 | } | |
5389 | ||
5390 | bool | |
5391 | uentry_isRefParam (uentry u) | |
5392 | { | |
5393 | return (uentry_isVariable (u) | |
5394 | && (u->info->var->kind == VKREFPARAM | |
5395 | || u->info->var->kind == VKREFYIELDPARAM | |
5396 | || u->info->var->kind == VKREFSEFPARAM | |
5397 | || u->info->var->kind == VKREFSEFRETPARAM)); | |
5398 | } | |
5399 | ||
5400 | bool | |
5401 | uentry_isAnyParam (uentry u) | |
5402 | { | |
5403 | return (uentry_isVariable (u) | |
5404 | && ((u->info->var->kind == VKPARAM) | |
5405 | || (u->info->var->kind == VKSEFPARAM) | |
5406 | || (u->info->var->kind == VKYIELDPARAM) | |
5407 | || (u->info->var->kind == VKRETPARAM) | |
5408 | || (u->info->var->kind == VKSEFRETPARAM))); | |
5409 | } | |
5410 | ||
5411 | sstate | |
5412 | uentry_getDefState (uentry u) | |
5413 | { | |
5414 | if (uentry_isValid (u)) | |
5415 | { | |
5416 | return (sRef_getDefState (u->sref)); | |
5417 | } | |
5418 | else | |
5419 | { | |
5420 | return (SS_UNKNOWN); | |
5421 | } | |
5422 | } | |
5423 | ||
5424 | bool | |
5425 | uentry_isOut (uentry u) | |
5426 | { | |
5427 | return ((uentry_isVariable (u) && (u->info->var->defstate == SS_ALLOCATED)) | |
5428 | || (uentry_isDatatype (u) && (sRef_isAllocated (u->sref)))); | |
5429 | } | |
5430 | ||
5431 | bool | |
5432 | uentry_isPartial (uentry u) | |
5433 | { | |
5434 | return ((uentry_isVariable (u) && (u->info->var->defstate == SS_PARTIAL)) | |
5435 | || (uentry_isDatatype (u) && (sRef_isAllocated (u->sref)))); | |
5436 | } | |
5437 | ||
5438 | bool | |
5439 | uentry_isStateSpecial (uentry u) | |
5440 | { | |
5441 | return ((uentry_isVariable (u) | |
5442 | && (u->info->var->defstate == SS_SPECIAL)) | |
5443 | || (uentry_isValid (u) && sRef_isStateSpecial (u->sref))); | |
5444 | } | |
5445 | ||
5446 | exitkind uentry_getExitCode (uentry ue) | |
5447 | { | |
5448 | if (uentry_isFunction (ue)) | |
5449 | { | |
5450 | return ue->info->fcn->exitCode; | |
5451 | } | |
5452 | else | |
5453 | { | |
5454 | return XK_UNKNOWN; | |
5455 | } | |
5456 | } | |
5457 | ||
28bf4b0b | 5458 | qual uentry_nullPred (uentry u) |
616915dd | 5459 | { |
5460 | llassert (uentry_isRealFunction (u)); | |
5461 | ||
5462 | if (uentry_isFunction (u)) | |
5463 | { | |
5464 | return (u->info->fcn->nullPred); | |
5465 | } | |
5466 | else | |
5467 | { | |
28bf4b0b | 5468 | return qual_createUnknown (); |
616915dd | 5469 | } |
5470 | } | |
5471 | ||
28bf4b0b | 5472 | /* |
5473 | ** Note for variables, this is checking the declared state, not the current state. | |
5474 | */ | |
5475 | ||
616915dd | 5476 | bool |
5477 | uentry_possiblyNull (uentry u) | |
5478 | { | |
5479 | return ((uentry_isVariable (u) && (nstate_possiblyNull (u->info->var->nullstate))) | |
5480 | || (uentry_isDatatype (u) && (sRef_possiblyNull (u->sref)))); | |
5481 | } | |
5482 | ||
5483 | alkind | |
5484 | uentry_getAliasKind (uentry u) | |
5485 | { | |
5486 | if (uentry_isValid (u)) | |
5487 | { | |
5488 | return (sRef_getAliasKind (uentry_getSref (u))); | |
5489 | } | |
5490 | else | |
5491 | { | |
5492 | return AK_UNKNOWN; | |
5493 | } | |
5494 | } | |
5495 | ||
5496 | exkind | |
5497 | uentry_getExpKind (uentry u) | |
5498 | { | |
5499 | if (uentry_isValid (u)) | |
5500 | { | |
5501 | return (sRef_getExKind (uentry_getSref (u))); | |
5502 | } | |
5503 | else | |
5504 | { | |
5505 | return XO_UNKNOWN; | |
5506 | } | |
5507 | } | |
5508 | ||
5509 | bool | |
5510 | uentry_isIter (uentry e) | |
5511 | { | |
5512 | return (!uentry_isUndefined (e) && e->ukind == KITER); | |
5513 | } | |
5514 | ||
5515 | bool | |
5516 | uentry_isEndIter (uentry e) | |
5517 | { | |
5518 | return (!uentry_isUndefined (e) && e->ukind == KENDITER); | |
5519 | } | |
5520 | ||
5521 | bool | |
5522 | uentry_isRealFunction (uentry e) | |
5523 | { | |
5524 | return (uentry_isFunction (e) || | |
5525 | (uentry_isVariable (e) && ctype_isFunction (uentry_getType (e)))); | |
5526 | } | |
5527 | ||
5528 | bool | |
5529 | uentry_hasName (uentry e) | |
5530 | { | |
5531 | if (uentry_isValid (e)) | |
5532 | { | |
5533 | cstring s = e->uname; | |
5534 | ||
28bf4b0b | 5535 | return (!(cstring_isEmpty (s) || cstring_equalLit (s, "...") |
5536 | || uentry_isFakeTag (e))); | |
616915dd | 5537 | } |
5538 | else | |
5539 | { | |
5540 | return FALSE; | |
5541 | } | |
5542 | } | |
5543 | ||
28bf4b0b | 5544 | /* |
5545 | ** Returns true for fake tags. | |
5546 | ** This is used for dumping the library | |
5547 | */ | |
5548 | ||
616915dd | 5549 | bool uentry_hasRealName (uentry e) |
5550 | { | |
28bf4b0b | 5551 | return (uentry_isValid (e) |
5552 | && cstring_isNonEmpty (e->uname) | |
5553 | && !uentry_isGlobalMarker (e)); | |
616915dd | 5554 | } |
5555 | ||
5556 | ||
5557 | /*@observer@*/ globSet | |
5558 | uentry_getGlobs (uentry l) | |
5559 | { | |
5560 | if (uentry_isInvalid (l)) | |
5561 | { | |
5562 | return globSet_undefined; | |
5563 | } | |
5564 | ||
5565 | if (l->ukind != KFCN) | |
5566 | { | |
5567 | if (l->ukind != KITER && l->ukind != KENDITER) | |
5568 | { | |
5569 | if (l->ukind == KVAR) | |
5570 | { | |
5571 | llbug (message ("Bad call to uentry_getGlobs (var): %q (%s)", | |
5572 | uentry_unparse (l), | |
5573 | ekind_unparse (l->ukind))); | |
5574 | } | |
5575 | else | |
5576 | { | |
5577 | llbug (message ("Bad call to uentry_getGlobs: %q (%s)", | |
5578 | uentry_unparse (l), | |
5579 | ekind_unparse (l->ukind))); | |
5580 | } | |
5581 | } | |
5582 | return globSet_undefined; | |
5583 | } | |
5584 | ||
5585 | return l->info->fcn->globs; | |
5586 | } | |
5587 | ||
5588 | /*@observer@*/ sRefSet | |
5589 | uentry_getMods (uentry l) | |
5590 | { | |
5591 | llassert (uentry_isValid (l)); | |
5592 | ||
5593 | if (l->ukind != KFCN && l->ukind != KITER && l->ukind != KENDITER) | |
5594 | { | |
5595 | llcontbug (message ("Bad call to uentry_getMods: %q", uentry_unparse (l))); | |
5596 | return sRefSet_undefined; | |
5597 | } | |
5598 | ||
5599 | return l->info->fcn->mods; | |
5600 | } | |
5601 | ||
5602 | ekind | |
5603 | uentry_getKind (uentry e) | |
5604 | { | |
5605 | llassert (uentry_isValid (e)); | |
5606 | ||
5607 | return (e->ukind); | |
5608 | } | |
5609 | ||
5610 | /*@observer@*/ multiVal uentry_getConstantValue (uentry e) | |
5611 | { | |
5612 | llassert (uentry_isEitherConstant (e)); | |
5613 | ||
5614 | return (e->info->uconst->val); | |
5615 | } | |
5616 | ||
5617 | /*@observer@*/ uentryList | |
5618 | uentry_getParams (uentry l) | |
5619 | { | |
5620 | if (uentry_isInvalid (l)) return uentryList_undefined; | |
5621 | ||
5622 | switch (l->ukind) | |
5623 | { | |
5624 | case KFCN: | |
5625 | case KITER: | |
5626 | { | |
5627 | ctype ct = l->utype; | |
5628 | ||
5629 | if (ctype_isFunction (ct)) | |
5630 | { | |
5631 | return (ctype_argsFunction (ct)); | |
5632 | } | |
5633 | else | |
5634 | { | |
5635 | return uentryList_undefined; | |
5636 | } | |
5637 | } | |
5638 | case KVAR: | |
5639 | { | |
5640 | ctype ct = l->utype; | |
5641 | ||
5642 | llassert (ctype_isFunction (ct)); | |
5643 | return (ctype_argsFunction (ct)); | |
5644 | } | |
5645 | BADDEFAULT; | |
5646 | } | |
5647 | BADEXIT; | |
5648 | } | |
5649 | ||
5650 | /*@observer@*/ cstring | |
5651 | uentry_rawName (uentry e) | |
5652 | { | |
5653 | if (uentry_isValid (e)) | |
5654 | { | |
5655 | return (e->uname); | |
5656 | } | |
5657 | else | |
5658 | { | |
5659 | return cstring_undefined; | |
5660 | } | |
5661 | } | |
5662 | ||
5663 | static cstring | |
5664 | uentry_getOptName (uentry e) | |
5665 | { | |
5666 | cstring s = uentry_getName (e); | |
5667 | ||
5668 | if (cstring_isDefined (s)) | |
5669 | { | |
5670 | s = cstring_appendChar (s, ' '); | |
5671 | } | |
5672 | ||
5673 | return s; | |
5674 | } | |
5675 | ||
5676 | /*@only@*/ cstring | |
5677 | uentry_getName (uentry e) | |
5678 | { | |
5679 | cstring ret = cstring_undefined; | |
5680 | ||
5681 | if (uentry_isValid (e)) | |
5682 | { | |
616915dd | 5683 | if (uentry_isAnyTag (e)) |
5684 | { | |
28bf4b0b | 5685 | ret = fixTagName (e->uname); |
616915dd | 5686 | } |
5687 | else if (uentry_isAnyParam (e)) | |
5688 | { | |
5689 | ret = cstring_copy (fixParamName (e->uname)); | |
5690 | } | |
5691 | else | |
5692 | { | |
5693 | ret = cstring_copy (e->uname); | |
5694 | } | |
5695 | } | |
5696 | ||
5697 | return ret; | |
5698 | } | |
5699 | ||
28bf4b0b | 5700 | cstring uentry_observeRealName (uentry e) |
5701 | { | |
5702 | cstring ret = cstring_undefined; | |
5703 | ||
5704 | if (uentry_isValid (e)) | |
5705 | { | |
5706 | if (uentry_isAnyTag (e)) | |
5707 | { | |
5708 | if (isFakeTag (e->uname)) | |
5709 | { | |
5710 | ret = cstring_undefined; | |
5711 | } | |
5712 | else | |
5713 | { | |
5714 | ret = plainTagName (e->uname); | |
5715 | } | |
5716 | } | |
5717 | else if (uentry_isAnyParam (e)) | |
5718 | { | |
5719 | ret = fixParamName (e->uname); | |
5720 | } | |
5721 | else | |
5722 | { | |
5723 | ret = e->uname; | |
5724 | } | |
5725 | } | |
5726 | ||
5727 | return ret; | |
5728 | } | |
5729 | ||
616915dd | 5730 | cstring uentry_getRealName (uentry e) |
5731 | { | |
5732 | if (uentry_isValid (e)) | |
5733 | { | |
5734 | if (uentry_isAnyTag (e)) | |
5735 | { | |
5736 | return (cstring_undefined); | |
5737 | } | |
5738 | else | |
5739 | { | |
5740 | return (e->uname); | |
5741 | } | |
5742 | } | |
5743 | return cstring_undefined; | |
5744 | } | |
5745 | ||
5746 | ctype uentry_getType (uentry e) | |
5747 | { | |
5748 | if (uentry_isValid (e)) | |
5749 | { | |
5750 | return e->utype; | |
5751 | } | |
5752 | else | |
5753 | { | |
5754 | return ctype_unknown; | |
5755 | } | |
5756 | } | |
5757 | ||
5758 | fileloc uentry_whereLast (uentry e) | |
5759 | { | |
5760 | fileloc loc; | |
5761 | ||
5762 | if (uentry_isInvalid (e)) | |
5763 | { | |
5764 | return fileloc_undefined; | |
5765 | } | |
5766 | ||
5767 | loc = e->whereDefined; | |
5768 | ||
5769 | if (fileloc_isValid (loc) && !fileloc_isExternal (loc)) | |
5770 | { | |
5771 | return loc; | |
5772 | } | |
5773 | ||
5774 | loc = uentry_whereDeclared (e); | |
5775 | ||
5776 | if (fileloc_isValid (loc) && !fileloc_isExternal (loc)) | |
5777 | { | |
5778 | return loc; | |
5779 | } | |
5780 | ||
5781 | loc = uentry_whereSpecified (e); | |
5782 | return loc; | |
5783 | } | |
5784 | ||
5785 | fileloc uentry_whereEither (uentry e) | |
5786 | { | |
5787 | if (uentry_isInvalid (e)) return fileloc_undefined; | |
5788 | ||
5789 | if (fileloc_isDefined (e->whereDefined) | |
5790 | && !fileloc_isExternal (e->whereDefined)) | |
5791 | { | |
5792 | return e->whereDefined; | |
5793 | } | |
5794 | else if (fileloc_isDefined (e->whereDeclared)) | |
5795 | { | |
5796 | return e->whereDeclared; | |
5797 | } | |
5798 | else | |
5799 | { | |
5800 | return e->whereSpecified; | |
5801 | } | |
5802 | } | |
5803 | ||
5804 | fileloc uentry_whereSpecified (uentry e) | |
5805 | { | |
5806 | if (uentry_isInvalid (e)) return fileloc_undefined; | |
5807 | ||
5808 | return (e->whereSpecified); | |
5809 | } | |
5810 | ||
5811 | fileloc uentry_whereDefined (uentry e) | |
5812 | { | |
5813 | if (uentry_isInvalid (e)) return fileloc_undefined; | |
5814 | ||
5815 | return (e->whereDefined); | |
5816 | } | |
5817 | ||
5818 | fileloc uentry_whereDeclared (uentry e) | |
5819 | { | |
5820 | if (uentry_isInvalid (e)) return fileloc_undefined; | |
5821 | ||
5822 | return (e->whereDeclared); | |
5823 | } | |
5824 | ||
5825 | /*@observer@*/ fileloc | |
5826 | uentry_whereEarliest (uentry e) | |
5827 | { | |
5828 | if (uentry_isInvalid (e)) return fileloc_undefined; | |
5829 | ||
5830 | if (fileloc_isDefined (e->whereSpecified)) | |
5831 | { | |
5832 | return (e->whereSpecified); | |
5833 | } | |
5834 | else if (fileloc_isDefined (e->whereDeclared)) | |
5835 | { | |
5836 | return (e->whereDeclared); | |
5837 | } | |
5838 | else | |
5839 | { | |
5840 | return e->whereDefined; | |
5841 | } | |
5842 | } | |
5843 | ||
5844 | void | |
5845 | uentry_setFunctionDefined (uentry e, fileloc loc) | |
5846 | { | |
5847 | if (uentry_isValid (e)) | |
5848 | { | |
5849 | llassert (uentry_isFunction (e)); | |
5850 | ||
5851 | if (fileloc_isUndefined (e->whereDeclared)) | |
5852 | { | |
5853 | e->whereDeclared = fileloc_update (e->whereDeclared, loc); | |
5854 | } | |
5855 | ||
5856 | if (!fileloc_isDefined (e->whereDefined)) | |
5857 | { | |
5858 | e->whereDefined = fileloc_update (e->whereDefined, loc); | |
5859 | } | |
5860 | } | |
5861 | } | |
5862 | ||
5863 | void | |
5864 | uentry_setDeclDef (uentry e, fileloc f) | |
5865 | { | |
5866 | uentry_setDeclared (e, f); | |
5867 | ||
5868 | if (!uentry_isFunction (e) | |
5869 | && !(uentry_isVariable (e) && uentry_isExtern (e))) | |
5870 | { | |
5871 | uentry_setDefined (e, f); | |
5872 | } | |
5873 | } | |
5874 | ||
5875 | void | |
5876 | uentry_setDeclaredForce (uentry e, fileloc f) | |
5877 | { | |
5878 | llassert (uentry_isValid (e)); | |
5879 | e->whereDeclared = fileloc_update (e->whereDeclared, f); | |
5880 | } | |
5881 | ||
5882 | void | |
5883 | uentry_setDeclaredForceOnly (uentry e, fileloc f) | |
5884 | { | |
5885 | llassert (uentry_isValid (e)); | |
5886 | fileloc_free (e->whereDeclared); | |
5887 | e->whereDeclared = f; | |
5888 | } | |
5889 | ||
5890 | void | |
5891 | uentry_setDeclaredOnly (uentry e, /*@only@*/ fileloc f) | |
5892 | { | |
5893 | fileloc oldloc; | |
5894 | ||
5895 | llassert (uentry_isValid (e)); | |
5896 | oldloc = e->whereDeclared; | |
5897 | ||
5898 | if (fileloc_isDefined (oldloc)) | |
5899 | { | |
5900 | if (fileloc_isLib (oldloc) || fileloc_isImport (oldloc)) | |
5901 | { | |
5902 | e->whereDeclared = f; | |
5903 | fileloc_free (oldloc); | |
5904 | } | |
5905 | else | |
5906 | { | |
5907 | fileloc_free (f); | |
5908 | } | |
5909 | } | |
5910 | else | |
5911 | { | |
5912 | e->whereDeclared = f; | |
5913 | fileloc_free (oldloc); | |
5914 | } | |
5915 | } | |
5916 | ||
5917 | void | |
5918 | uentry_setDeclared (uentry e, fileloc f) | |
5919 | { | |
5920 | fileloc oldloc; | |
5921 | ||
5922 | llassert (uentry_isValid (e)); | |
5923 | oldloc = e->whereDeclared; | |
5924 | ||
5925 | if (fileloc_isDefined (oldloc)) | |
5926 | { | |
5927 | if (fileloc_isLib (oldloc) || fileloc_isImport (oldloc)) | |
5928 | { | |
5929 | e->whereDeclared = fileloc_update (e->whereDeclared, f); | |
5930 | } | |
5931 | else | |
5932 | { | |
5933 | ; | |
5934 | } | |
5935 | } | |
5936 | else | |
5937 | { | |
5938 | e->whereDeclared = fileloc_update (e->whereDeclared, f); | |
5939 | } | |
5940 | } | |
5941 | ||
5942 | void | |
5943 | uentry_clearDefined (uentry e) | |
5944 | { | |
5945 | if (uentry_isValid (e)) | |
5946 | { | |
5947 | e->whereDefined = fileloc_update (e->whereDefined, fileloc_undefined); | |
5948 | } | |
5949 | } | |
5950 | ||
5951 | void | |
5952 | uentry_setDefined (uentry e, fileloc f) | |
5953 | { | |
5954 | fileloc oldloc; | |
5955 | ||
5956 | llassert (uentry_isValid (e)); | |
5957 | oldloc = e->whereDefined; | |
5958 | ||
5959 | if (fileloc_isDefined (oldloc)) | |
5960 | { | |
5961 | if (fileloc_isLib (oldloc) | |
5962 | || fileloc_isImport (oldloc) | |
5963 | || fileloc_isBuiltin (oldloc) | |
5964 | || fileloc_isPreproc (oldloc)) | |
5965 | { | |
5966 | e->whereDefined = fileloc_update (e->whereDefined, f); | |
5967 | } | |
5968 | else | |
5969 | { | |
5970 | if (fileloc_equal (oldloc, f) || context_processingMacros ()) | |
5971 | { | |
5972 | ; /* okay */ | |
5973 | } | |
5974 | else | |
5975 | { | |
5976 | if (optgenerror (FLG_REDEF, | |
5977 | message ("%s %q redefined", | |
5978 | ekind_capName (e->ukind), | |
5979 | uentry_getName (e)), | |
5980 | f)) | |
5981 | { | |
5982 | llgenindentmsg (message ("Previous definition of %q", | |
5983 | uentry_getName (e)), | |
5984 | e->whereDefined); | |
5985 | } | |
5986 | } | |
5987 | } | |
5988 | } | |
5989 | else | |
5990 | { | |
5991 | e->whereDefined = fileloc_update (e->whereDefined, f); | |
5992 | } | |
5993 | } | |
5994 | ||
5995 | bool | |
5996 | uentry_isCodeDefined (uentry e) | |
5997 | { | |
5998 | return (uentry_isValid (e) && fileloc_isDefined (e->whereDefined)); | |
5999 | } | |
6000 | ||
6001 | bool | |
6002 | uentry_isDeclared (uentry e) | |
6003 | { | |
6004 | if (uentry_isValid (e)) | |
6005 | { | |
6006 | return (fileloc_isDefined (e->whereDeclared)); | |
6007 | } | |
6008 | ||
6009 | return FALSE; | |
6010 | } | |
6011 | ||
6012 | sRef uentry_getSref (uentry e) | |
6013 | { | |
6014 | /* not true, used for functions too (but shouldn't be? */ | |
6015 | /* llassertprint (e->ukind == KVAR, ("uentry_getSref: not variable!")); */ | |
6016 | ||
6017 | if (uentry_isInvalid (e)) return sRef_undefined; | |
6018 | ||
6019 | return (e->sref); | |
6020 | } | |
6021 | ||
6022 | sRef uentry_getOrigSref (uentry e) | |
6023 | { | |
6024 | if (uentry_isValid (e)) | |
6025 | { | |
6026 | sRef sr = sRef_copy (uentry_getSref (e)); | |
6027 | ||
6028 | sRef_resetState (sr); | |
6029 | sRef_clearDerived (sr); | |
6030 | ||
6031 | if (uentry_isVariable (e)) | |
6032 | { | |
6033 | sRef_setDefState (sr, e->info->var->defstate, fileloc_undefined); | |
6034 | sRef_setNullState (sr, e->info->var->nullstate, fileloc_undefined); | |
6035 | } | |
6036 | ||
6037 | return (sr); | |
6038 | } | |
6039 | else | |
6040 | { | |
6041 | return sRef_undefined; | |
6042 | } | |
6043 | } | |
6044 | ||
6045 | /* | |
6046 | ** requires: uentry e is not in a hashed symbol table | |
6047 | */ | |
6048 | ||
6049 | void | |
6050 | uentry_setName (uentry e, /*@only@*/ cstring n) | |
6051 | { | |
6052 | llassert (uentry_isValid (e)); | |
6053 | ||
6054 | cstring_free (e->uname); | |
6055 | e->uname = n; | |
6056 | } | |
6057 | ||
6058 | void | |
6059 | uentry_setType (uentry e, ctype t) | |
6060 | { | |
6061 | if (uentry_isValid (e)) | |
6062 | { | |
6063 | e->utype = t; | |
6064 | sRef_setType (e->sref, t); | |
6065 | } | |
6066 | } | |
6067 | ||
6068 | void | |
6069 | uentry_resetParams (uentry ue, /*@only@*/ uentryList pn) | |
6070 | { | |
6071 | ctype rct; | |
6072 | ctype rettype = ctype_unknown; | |
6073 | ||
6074 | llassert (uentry_isValid (ue)); | |
6075 | ||
6076 | rct = ctype_realType (ue->utype); | |
6077 | ||
6078 | if (uentry_isVariable (ue) && (ctype_isFunction (rct) || ctype_isUnknown (rct))) | |
6079 | { | |
6080 | uentry_makeVarFunction (ue); | |
6081 | } | |
6082 | ||
6083 | llassert (uentry_isFunction (ue)); | |
6084 | ||
6085 | if (ctype_isFunction (rct)) | |
6086 | { | |
28bf4b0b | 6087 | rettype = ctype_getReturnType (rct); |
616915dd | 6088 | } |
6089 | ||
6090 | ue->utype = ctype_makeNFParamsFunction (rettype, pn); | |
6091 | } | |
6092 | ||
6093 | void | |
6094 | uentry_setRefParam (uentry e) | |
6095 | { | |
6096 | ||
6097 | if (!uentry_isVar (e)) | |
6098 | { | |
6099 | llbug (message ("uentry_setParam: not variable: %q", uentry_unparse (e))); | |
6100 | } | |
6101 | else | |
6102 | { | |
6103 | if (e->info->var->kind == VKSEFPARAM) | |
6104 | { | |
6105 | e->info->var->kind = VKREFSEFPARAM; | |
6106 | } | |
6107 | else if (e->info->var->kind == VKSEFRETPARAM) | |
6108 | { | |
6109 | e->info->var->kind = VKREFSEFRETPARAM; | |
6110 | } | |
6111 | else if (e->info->var->kind == VKYIELDPARAM) | |
6112 | { | |
6113 | e->info->var->kind = VKREFYIELDPARAM; | |
6114 | } | |
6115 | else | |
6116 | { | |
6117 | e->info->var->kind = VKREFPARAM; | |
6118 | } | |
6119 | } | |
6120 | } | |
6121 | ||
6122 | void | |
6123 | uentry_setParam (uentry e) | |
6124 | { | |
6125 | if (!uentry_isVar (e)) | |
6126 | { | |
6127 | if (uentry_isElipsisMarker (e)) | |
6128 | { | |
6129 | ||
6130 | } | |
6131 | else | |
6132 | { | |
6133 | llbug (message ("uentry_setParam: not variable: %q", uentry_unparse (e))); | |
6134 | } | |
6135 | } | |
6136 | else | |
6137 | { | |
6138 | cstring oldname; | |
6139 | ||
6140 | if (e->info->var->kind == VKYIELDPARAM | |
6141 | || e->info->var->kind == VKSEFPARAM | |
6142 | || e->info->var->kind == VKSEFRETPARAM) | |
6143 | { | |
6144 | ; | |
6145 | } | |
6146 | else | |
6147 | { | |
6148 | e->info->var->kind = VKPARAM; | |
6149 | } | |
6150 | ||
6151 | oldname = e->uname; | |
6152 | e->uname = makeParam (e->uname); | |
6153 | cstring_free (oldname); | |
6154 | } | |
6155 | } | |
6156 | ||
6157 | void | |
6158 | uentry_setSref (uentry e, sRef s) | |
6159 | { | |
6160 | if (uentry_isValid (e)) | |
6161 | { | |
6162 | if (sRef_isValid (e->sref)) | |
6163 | { | |
6164 | sRef_mergeStateQuietReverse (e->sref, s); | |
6165 | } | |
6166 | else | |
6167 | { | |
6168 | e->sref = sRef_saveCopy (s); | |
6169 | } | |
6170 | } | |
6171 | } | |
6172 | ||
6173 | ctype | |
6174 | uentry_getAbstractType (uentry e) | |
6175 | { | |
6176 | llassert (uentry_isDatatype (e)); | |
6177 | ||
6178 | /* | |
6179 | ** This assertion removed. | |
6180 | ** Okay to have undefined type, for system types | |
6181 | ||
6182 | llassertprintret (!ctype_isUndefined (e->info->datatype->type), | |
6183 | ("uentry_getAbstractType %q: undefined", uentry_unparseFull (e)), | |
6184 | e->utype); | |
6185 | ||
6186 | */ | |
6187 | ||
6188 | if (ctype_isUndefined (e->info->datatype->type)) | |
6189 | { | |
6190 | return ctype_unknown; | |
6191 | } | |
6192 | ||
6193 | /* | |
6194 | ** Sadly, a kludge... | |
6195 | */ | |
6196 | ||
6197 | if (ctype_isUserBool (e->info->datatype->type)) { | |
6198 | return ctype_bool; | |
6199 | } | |
6200 | ||
6201 | return e->info->datatype->type; | |
6202 | } | |
6203 | ||
6204 | ctype uentry_getRealType (uentry e) | |
6205 | { | |
6206 | ctype ct; | |
6207 | typeId uid = USYMIDINVALID; | |
6208 | ||
6209 | if (uentry_isInvalid (e)) | |
6210 | { | |
6211 | return ctype_unknown; | |
6212 | } | |
6213 | ||
6214 | llassertprint (uentry_isDatatype (e), ("not datatype: %s", uentry_unparse (e))); | |
6215 | ||
6216 | if (uentry_isAnyTag (e)) | |
6217 | { | |
6218 | return (e->utype); | |
6219 | } | |
6220 | ||
6221 | if (uentry_isAbstractType (e)) | |
6222 | { | |
6223 | ct = uentry_getAbstractType (e); | |
6224 | ||
6225 | if (ctype_isManifestBool (ct)) { | |
6226 | return ct; | |
6227 | } | |
6228 | ||
6229 | llassert (ctype_isUA (ct)); | |
6230 | ||
6231 | uid = ctype_typeId (ct); | |
6232 | ||
6233 | if (!context_hasAccess (uid)) | |
6234 | { | |
6235 | return (ct); | |
6236 | } | |
6237 | } | |
6238 | ||
6239 | ct = uentry_getType (e); | |
6240 | ||
6241 | /* if (ctype_isUserBool (ct)) return ct; */ | |
6242 | ||
6243 | if (ctype_isManifestBool (ct)) { | |
6244 | return ctype_bool; | |
6245 | } | |
6246 | ||
6247 | if (ctype_isUA (ct)) | |
6248 | { | |
6249 | usymId iid = ctype_typeId (ct); | |
6250 | ||
28bf4b0b | 6251 | if (usymId_equal (iid, uid)) |
616915dd | 6252 | { |
6253 | llcontbug (message ("uentry_getRealType: recursive type! %s", | |
6254 | ctype_unparse (ct))); | |
6255 | return ct; | |
6256 | } | |
6257 | else | |
6258 | { | |
6259 | /* evs 2000-07-25: possible infinite recursion ? */ | |
6260 | uentry ue2 = usymtab_getTypeEntry (iid); | |
28bf4b0b | 6261 | |
6262 | if (ue2 == e) | |
6263 | { | |
6264 | llcontbug (message ("Bad recursion: %q", uentry_unparseFull (e))); | |
6265 | return ctype_unknown; | |
6266 | } | |
616915dd | 6267 | |
6268 | return uentry_getRealType (ue2); | |
6269 | } | |
6270 | } | |
6271 | else | |
6272 | { | |
6273 | return ct; | |
6274 | } | |
6275 | } | |
6276 | ||
6277 | ctype uentry_getForceRealType (uentry e) | |
6278 | { | |
6279 | ctype ct; | |
6280 | typeId uid = USYMIDINVALID; | |
6281 | ||
6282 | if (uentry_isInvalid (e)) | |
6283 | { | |
6284 | return ctype_unknown; | |
6285 | } | |
6286 | ||
6287 | llassertprint (uentry_isDatatype (e), ("not datatype: %s", uentry_unparse (e))); | |
6288 | ||
6289 | if (uentry_isAnyTag (e)) | |
6290 | { | |
6291 | return (e->utype); | |
6292 | } | |
6293 | ||
6294 | if (uentry_isAbstractType (e)) | |
6295 | { | |
6296 | ct = uentry_getAbstractType (e); | |
6297 | llassert (ctype_isUA (ct)); | |
6298 | ||
6299 | uid = ctype_typeId (ct); | |
6300 | /* no check for access! */ | |
6301 | } | |
6302 | ||
6303 | ct = uentry_getType (e); | |
6304 | ||
6305 | /* evs 2000-07-25 */ | |
6306 | /* if (ctype_isUserBool (ct)) return ct; */ | |
6307 | ||
6308 | if (ctype_isManifestBool (ct)) { | |
6309 | return ctype_bool; | |
6310 | } | |
6311 | ||
6312 | if (ctype_isUA (ct)) | |
6313 | { | |
6314 | usymId iid = ctype_typeId (ct); | |
6315 | ||
28bf4b0b | 6316 | if (usymId_equal (iid, uid)) |
616915dd | 6317 | { |
6318 | llcontbug (message ("uentry_getRealType: recursive type! %s", | |
6319 | ctype_unparse (ct))); | |
6320 | return ct; | |
6321 | } | |
6322 | else | |
6323 | { | |
6324 | return uentry_getForceRealType (usymtab_getTypeEntry (iid)); | |
6325 | } | |
6326 | } | |
6327 | else | |
6328 | { | |
6329 | return ct; | |
6330 | } | |
6331 | } | |
6332 | ||
6333 | uentry uentry_nameCopy (cstring name, uentry e) | |
6334 | { | |
6335 | uentry enew = uentry_alloc (); | |
6336 | ||
6337 | llassert (uentry_isValid (e)); | |
6338 | ||
6339 | /* enew->shallowCopy = FALSE; */ | |
6340 | enew->ukind = e->ukind; | |
6341 | enew->uname = name; | |
6342 | enew->utype = e->utype; | |
6343 | enew->whereSpecified = fileloc_copy (e->whereSpecified); | |
6344 | enew->whereDefined = fileloc_copy (e->whereDefined); | |
6345 | enew->whereDeclared = fileloc_copy (e->whereDeclared); | |
6346 | enew->sref = sRef_copy (e->sref); | |
6347 | enew->used = e->used; | |
6348 | enew->lset = FALSE; | |
6349 | enew->isPrivate = e->isPrivate; | |
6350 | enew->hasNameError = FALSE; | |
6351 | ||
6352 | enew->uses = filelocList_new (); | |
28bf4b0b | 6353 | enew->warn = warnClause_undefined; |
616915dd | 6354 | |
6355 | enew->storageclass = e->storageclass; | |
6356 | enew->info = uinfo_copy (e->info, e->ukind); | |
6357 | ||
6358 | return enew; | |
6359 | } | |
6360 | ||
6361 | void | |
6362 | uentry_setDatatype (uentry e, usymId uid) | |
6363 | { | |
6364 | llassert (uentry_isDatatype (e)); | |
6365 | ||
6366 | if (uentry_isAbstractType (e)) | |
6367 | { | |
6368 | e->info->datatype->type = ctype_createAbstract (uid); | |
6369 | } | |
6370 | else | |
6371 | { | |
6372 | e->info->datatype->type = ctype_createUser (uid); | |
6373 | } | |
6374 | } | |
6375 | ||
6376 | static void | |
6377 | uentry_setSpecDef (/*@special@*/ uentry e, /*@keep@*/ fileloc f) | |
6378 | /*@defines e->whereSpecified, e->whereDeclared, e->whereDefined@*/ | |
6379 | /*@modifies e@*/ | |
6380 | { | |
6381 | llassert (uentry_isValid (e)); | |
6382 | ||
6383 | if (fileloc_isSpec (f) || fileloc_isImport (f)) | |
6384 | { | |
6385 | e->whereSpecified = f; | |
6386 | e->whereDeclared = fileloc_undefined; | |
6387 | e->whereDefined = fileloc_undefined; | |
6388 | } | |
6389 | else | |
6390 | { | |
6391 | e->whereSpecified = fileloc_undefined; | |
6392 | e->whereDeclared = f; | |
6393 | e->whereDefined = fileloc_undefined; | |
6394 | } | |
6395 | } | |
6396 | ||
6397 | static void | |
6398 | ucinfo_free (/*@only@*/ ucinfo u) | |
6399 | { | |
6400 | multiVal_free (u->val); | |
6401 | sfree (u); | |
6402 | } | |
6403 | ||
6404 | static void | |
6405 | uvinfo_free (/*@only@*/ uvinfo u) | |
6406 | { | |
28bf4b0b | 6407 | /*drl7x added 6/29/01 */ |
6408 | /*free null terminated stuff */ | |
6409 | ||
6410 | free(u->bufinfo); | |
616915dd | 6411 | sfree (u); |
6412 | } | |
6413 | ||
6414 | static void | |
6415 | udinfo_free (/*@only@*/ udinfo u) | |
6416 | { | |
6417 | sfree (u); | |
6418 | } | |
6419 | ||
6420 | static void | |
6421 | ufinfo_free (/*@only@*/ ufinfo u) | |
6422 | { | |
6423 | globSet_free (u->globs); | |
6424 | sRefSet_free (u->mods); | |
28bf4b0b | 6425 | stateClauseList_free (u->specclauses); |
616915dd | 6426 | sfree (u); |
6427 | } | |
6428 | ||
6429 | static void | |
6430 | uiinfo_free (/*@only@*/ uiinfo u) | |
6431 | { | |
6432 | sfree (u); | |
6433 | } | |
6434 | ||
6435 | static void | |
6436 | ueinfo_free (/*@only@*/ ueinfo u) | |
6437 | { | |
6438 | sfree (u); | |
6439 | } | |
6440 | ||
6441 | static /*@only@*/ ucinfo | |
6442 | ucinfo_copy (ucinfo u) | |
6443 | { | |
6444 | ucinfo ret = (ucinfo) dmalloc (sizeof (*ret)); | |
6445 | ||
6446 | ret->val = multiVal_copy (u->val); | |
6447 | ret->access = u->access; | |
6448 | ||
6449 | return ret; | |
6450 | } | |
6451 | ||
6452 | static /*@only@*/ uvinfo | |
6453 | uvinfo_copy (uvinfo u) | |
6454 | { | |
6455 | uvinfo ret = (uvinfo) dmalloc (sizeof (*ret)); | |
6456 | ||
6457 | ret->kind = u->kind; | |
6458 | ret->nullstate = u->nullstate; | |
6459 | ret->defstate = u->defstate; | |
6460 | ret->checked = u->checked; | |
28bf4b0b | 6461 | |
6462 | /* drl added 07-02-001 */ | |
6463 | /* copy null terminated information */ | |
6464 | ||
6465 | if (u->bufinfo != NULL) | |
6466 | { | |
6467 | ret->bufinfo = (bbufinfo) dmalloc (sizeof( * u->bufinfo ) ); | |
6468 | ret->bufinfo->bufstate = u->bufinfo->bufstate; | |
6469 | ret->bufinfo->size = u->bufinfo->size; | |
6470 | ret->bufinfo->len = u->bufinfo->len; | |
6471 | return ret; | |
6472 | } | |
6473 | else | |
6474 | { | |
6475 | ret->bufinfo = NULL; | |
6476 | return ret; | |
6477 | } | |
6478 | ||
616915dd | 6479 | } |
6480 | ||
6481 | static /*@only@*/ udinfo | |
6482 | udinfo_copy (udinfo u) | |
6483 | { | |
6484 | udinfo ret = (udinfo) dmalloc (sizeof (*ret)); | |
6485 | ||
6486 | ret->abs = u->abs; | |
6487 | ret->mut = u->mut; | |
6488 | ret->type = u->type; | |
6489 | ||
6490 | return ret; | |
6491 | } | |
6492 | ||
6493 | static /*@only@*/ ufinfo | |
6494 | ufinfo_copy (ufinfo u) | |
6495 | { | |
6496 | ufinfo ret = (ufinfo) dmalloc (sizeof (*ret)); | |
6497 | ||
6498 | ret->hasGlobs = u->hasGlobs; | |
6499 | ret->hasMods = u->hasMods; | |
6500 | ret->exitCode = u->exitCode; | |
6501 | ret->specialCode = u->specialCode; | |
6502 | ret->nullPred = u->nullPred; | |
6503 | ret->access = u->access; | |
6504 | ret->globs = globSet_newCopy (u->globs); | |
6505 | ret->mods = sRefSet_newCopy (u->mods); | |
6506 | ret->defparams = u->defparams; | |
28bf4b0b | 6507 | ret->specclauses = stateClauseList_copy (u->specclauses); |
616915dd | 6508 | |
6509 | /*drl 11 30 2000 */ | |
2934b455 | 6510 | /* change 6/8/01 */ |
6511 | ||
28bf4b0b | 6512 | if (constraintList_isDefined(u->preconditions)) |
2934b455 | 6513 | ret->preconditions = constraintList_copy(u->preconditions); |
6514 | else | |
6515 | ret->preconditions = NULL; | |
616915dd | 6516 | /* end drl */ |
616915dd | 6517 | |
28bf4b0b | 6518 | if (constraintList_isDefined(u->postconditions)) |
2934b455 | 6519 | ret->postconditions = constraintList_copy(u->postconditions); |
6520 | else | |
6521 | ret->postconditions = NULL; | |
616915dd | 6522 | /* end drl */ |
6523 | ||
6524 | return ret; | |
6525 | } | |
6526 | ||
6527 | static /*@only@*/ uiinfo | |
6528 | uiinfo_copy (uiinfo u) | |
6529 | { | |
6530 | uiinfo ret = (uiinfo) dmalloc (sizeof (*ret)); | |
6531 | ||
6532 | ret->access = u->access; | |
6533 | ret->globs = globSet_newCopy (u->globs); | |
6534 | ret->mods = sRefSet_newCopy (u->mods); | |
6535 | ||
6536 | return (ret); | |
6537 | } | |
6538 | ||
6539 | static /*@only@*/ ueinfo | |
6540 | ueinfo_copy (ueinfo u) | |
6541 | { | |
6542 | ueinfo ret = (ueinfo) dmalloc (sizeof (*ret)); | |
6543 | ||
6544 | ret->access = u->access; | |
6545 | return ret; | |
6546 | } | |
6547 | ||
6548 | static void | |
6549 | uinfo_free (uinfo u, ekind kind) | |
6550 | { | |
6551 | switch (kind) | |
6552 | { | |
6553 | case KENUMCONST: | |
6554 | case KCONST: ucinfo_free (u->uconst); break; | |
6555 | case KVAR: uvinfo_free (u->var); break; | |
6556 | case KSTRUCTTAG: | |
6557 | case KUNIONTAG: | |
6558 | case KENUMTAG: | |
6559 | case KDATATYPE: udinfo_free (u->datatype); break; | |
6560 | case KFCN: ufinfo_free (u->fcn); break; | |
6561 | case KITER: uiinfo_free (u->iter); break; | |
6562 | case KENDITER: ueinfo_free (u->enditer); break; | |
6563 | case KELIPSMARKER: break; | |
6564 | case KINVALID: break; | |
6565 | } | |
6566 | ||
6567 | sfree (u); | |
6568 | } | |
6569 | ||
6570 | static /*@only@*/ /*@null@*/ uinfo | |
6571 | uinfo_copy (uinfo u, ekind kind) | |
6572 | { | |
6573 | if (kind == KELIPSMARKER || kind == KINVALID) | |
6574 | { | |
6575 | return NULL; | |
6576 | } | |
6577 | else | |
6578 | { | |
6579 | uinfo ret = (uinfo) dmalloc (sizeof (*ret)); | |
6580 | ||
6581 | switch (kind) | |
6582 | { | |
6583 | case KENUMCONST: | |
6584 | case KCONST: ret->uconst = ucinfo_copy (u->uconst); break; | |
6585 | case KVAR: ret->var = uvinfo_copy (u->var); break; | |
6586 | case KSTRUCTTAG: | |
6587 | case KUNIONTAG: | |
6588 | case KENUMTAG: | |
6589 | case KDATATYPE: ret->datatype = udinfo_copy (u->datatype); break; | |
6590 | case KFCN: ret->fcn = ufinfo_copy (u->fcn); break; | |
6591 | case KITER: ret->iter = uiinfo_copy (u->iter); break; | |
6592 | case KENDITER: ret->enditer = ueinfo_copy (u->enditer); break; | |
6593 | BADDEFAULT; | |
6594 | } | |
6595 | return ret; | |
6596 | } | |
6597 | } | |
6598 | ||
6599 | static void | |
6600 | uentry_reallyFree (/*@notnull@*/ /*@only@*/ uentry e) | |
6601 | { | |
6602 | filelocList_free (e->uses); | |
6603 | cstring_free (e->uname); | |
6604 | ||
6605 | uinfo_free (e->info, e->ukind); | |
6606 | ||
6607 | fileloc_free (e->whereSpecified); | |
6608 | fileloc_free (e->whereDefined); | |
6609 | fileloc_free (e->whereDeclared); | |
6610 | ||
28bf4b0b | 6611 | warnClause_free (e->warn); |
6612 | ||
616915dd | 6613 | nuentries--; |
6614 | sfree (e); | |
6615 | } | |
6616 | ||
6617 | extern void uentry_markOwned (/*@owned@*/ uentry u) | |
6618 | { | |
6619 | sfreeEventually (u); | |
6620 | } | |
6621 | ||
6622 | void | |
6623 | uentry_free (/*@only@*/ uentry e) | |
6624 | { | |
6625 | if (uentry_isValid (e) && !uentry_isElipsisMarker (e)) | |
6626 | { | |
6627 | uentry_reallyFree (e); | |
6628 | } | |
6629 | } | |
6630 | ||
6631 | /* | |
6632 | ** For uentry's in the global or file scope | |
6633 | */ | |
6634 | ||
6635 | void | |
6636 | uentry_freeComplete (/*@only@*/ uentry e) | |
6637 | { | |
6638 | if (uentry_isValid (e) && !uentry_isElipsisMarker (e)) | |
6639 | { | |
28bf4b0b | 6640 | DPRINTF (("Free complete: %s", sRef_unparseFull (e->sref))); |
616915dd | 6641 | /*@i@*/ sRef_free (e->sref); |
6642 | e->sref = sRef_undefined; | |
6643 | uentry_reallyFree (e); | |
6644 | } | |
6645 | } | |
6646 | ||
6647 | /* | |
6648 | ** requires old->kind != new->kind, old->uname = new->uname | |
6649 | */ | |
6650 | ||
6651 | static void | |
6652 | KindConformanceError (/*@unique@*/ uentry old, uentry unew, bool mustConform) | |
6653 | { | |
6654 | llassert (uentry_isValid (old)); | |
6655 | llassert (uentry_isValid (unew)); | |
6656 | ||
6657 | if (uentry_isEitherConstant (unew) | |
6658 | && (fileloc_isPreproc (uentry_whereDeclared (old)) | |
6659 | || ctype_isUnknown (old->utype)) | |
6660 | && !uentry_isSpecified (old)) | |
6661 | { | |
6662 | ; /* no error */ | |
6663 | } | |
6664 | else | |
6665 | { | |
6666 | if (mustConform) | |
6667 | { | |
6668 | if (!uentry_isDeclared (old)) | |
6669 | { | |
6670 | if (uentry_isSpecified (old)) | |
6671 | { | |
6672 | if (uentry_isSpecified (unew)) | |
6673 | { | |
6674 | llbuglit ("Respecification!"); | |
6675 | } | |
6676 | else if (uentry_isDeclared (unew)) | |
6677 | { | |
6678 | if (optgenerror | |
6679 | (FLG_INCONDEFS, | |
6680 | message ("%s %q inconsistently declared as %s: %t", | |
6681 | ekind_capName (old->ukind), | |
6682 | uentry_getName (unew), | |
6683 | ekind_unparseLong (unew->ukind), | |
6684 | unew->utype), | |
6685 | uentry_whereDeclared (unew))) | |
6686 | { | |
6687 | uentry_showWhereLast (old); | |
6688 | } | |
6689 | } | |
6690 | else | |
6691 | { | |
6692 | BADEXIT; | |
6693 | } | |
6694 | } | |
6695 | else | |
6696 | { | |
6697 | if (optgenerror | |
6698 | (FLG_INCONDEFS, | |
6699 | message ("%s %q inconsistently declared as %s: %t", | |
6700 | ekind_capName (old->ukind), | |
6701 | uentry_getName (unew), | |
6702 | ekind_unparseLong (unew->ukind), | |
6703 | unew->utype), | |
6704 | uentry_whereDeclared (unew))) | |
6705 | { | |
6706 | uentry_showWhereLast (old); | |
6707 | } | |
6708 | } | |
6709 | } | |
6710 | else | |
6711 | { | |
6712 | llassert (uentry_isDeclared (unew)); | |
6713 | ||
6714 | if (optgenerror | |
6715 | (FLG_INCONDEFS, | |
6716 | message ("%s %q inconsistently redeclared as %s", | |
6717 | ekind_capName (old->ukind), | |
6718 | uentry_getName (unew), | |
6719 | ekind_unparseLong (unew->ukind)), | |
6720 | uentry_whereDeclared (unew))) | |
6721 | { | |
6722 | uentry_showWhereLast (old); | |
6723 | } | |
6724 | } | |
6725 | } | |
6726 | } | |
6727 | ||
6728 | uentry_copyInto (old, unew); | |
6729 | } | |
6730 | ||
6731 | /* | |
6732 | ** def is the definition of spec, modifies spec | |
6733 | ** | |
6734 | ** reports any inconsistencies | |
6735 | ** returns the summary of all available information | |
6736 | ** if spec and def are inconsistent, def is returned | |
6737 | */ | |
6738 | ||
6739 | void | |
6740 | uentry_showWhereLast (uentry spec) | |
6741 | { | |
6742 | if (uentry_isValid (spec)) | |
6743 | { | |
6744 | if (fileloc_isDefined (spec->whereDefined) | |
6745 | && !fileloc_isLib (spec->whereDefined) | |
6746 | && !fileloc_isPreproc (spec->whereDefined)) | |
6747 | { | |
6748 | llgenindentmsg (message ("Previous definition of %q: %t", | |
6749 | uentry_getName (spec), | |
6750 | uentry_getType (spec)), | |
6751 | uentry_whereDefined (spec)); | |
6752 | } | |
6753 | else if (uentry_isDeclared (spec)) | |
6754 | { | |
6755 | llgenindentmsg (message ("Previous declaration of %q: %t", | |
6756 | uentry_getName (spec), | |
6757 | uentry_getType (spec)), | |
6758 | uentry_whereDeclared (spec)); | |
6759 | } | |
6760 | else if (uentry_isSpecified (spec)) | |
6761 | { | |
6762 | if (uentry_hasName (spec)) | |
6763 | { | |
6764 | llgenindentmsg (message ("Specification of %q: %t", | |
6765 | uentry_getName (spec), | |
6766 | uentry_getType (spec)), | |
6767 | uentry_whereSpecified (spec)); | |
6768 | } | |
6769 | else | |
6770 | { | |
6771 | llgenindentmsg (message ("Specification: %t", uentry_getType (spec)), | |
6772 | uentry_whereSpecified (spec)); | |
6773 | } | |
6774 | } | |
6775 | else | |
6776 | { | |
6777 | /* nothing to show */ | |
6778 | } | |
6779 | } | |
6780 | } | |
6781 | ||
6782 | void | |
6783 | uentry_showDefSpecInfo (uentry ce, fileloc fwhere) | |
6784 | { | |
6785 | fileloc loc = uentry_whereDefined (ce); | |
6786 | ||
6787 | if (fileloc_isUser (loc) && !fileloc_equal (loc, fwhere)) | |
6788 | { | |
6789 | llgenindentmsg (message ("Definition of %q", uentry_getName (ce)), | |
6790 | loc); | |
6791 | } | |
6792 | ||
6793 | loc = uentry_whereSpecified (ce); | |
6794 | ||
6795 | if (fileloc_isUser (loc) && !fileloc_equal (loc, fwhere)) | |
6796 | { | |
6797 | llgenindentmsg (message ("Specification of %q", uentry_getName (ce)), | |
6798 | loc); | |
6799 | } | |
6800 | } | |
6801 | ||
6802 | void uentry_showWhereLastExtra (uentry spec, cstring extra) | |
6803 | { | |
6804 | if (uentry_isDeclared (spec)) | |
6805 | { | |
6806 | llgenindentmsg (message ("Previous declaration of %q: %q", | |
6807 | uentry_getName (spec), extra), | |
6808 | uentry_whereDeclared (spec)); | |
6809 | } | |
6810 | else if (uentry_isSpecified (spec)) | |
6811 | { | |
6812 | llgenindentmsg (message ("Specification of %q: %q", | |
6813 | uentry_getName (spec), extra), | |
6814 | uentry_whereSpecified (spec)); | |
6815 | } | |
6816 | else | |
6817 | { | |
6818 | cstring_free (extra); | |
6819 | } | |
6820 | } | |
6821 | ||
6822 | void | |
6823 | uentry_showWhereDeclared (uentry spec) | |
6824 | { | |
6825 | if (uentry_isDeclared (spec)) | |
6826 | { | |
6827 | if (uentry_hasName (spec)) | |
6828 | { | |
6829 | llgenindentmsg (message ("Declaration of %q", uentry_getName (spec)), | |
6830 | uentry_whereDeclared (spec)); | |
6831 | } | |
6832 | else | |
6833 | { | |
6834 | llgenindentmsg (cstring_makeLiteral ("Declaration"), uentry_whereDeclared (spec)); | |
6835 | } | |
6836 | } | |
6837 | else if (uentry_isSpecified (spec)) | |
6838 | { | |
6839 | if (uentry_hasName (spec)) | |
6840 | { | |
6841 | llgenindentmsg (message ("Specification of %q", uentry_getName (spec)), | |
6842 | uentry_whereSpecified (spec)); | |
6843 | } | |
6844 | else | |
6845 | { | |
6846 | llgenindentmsg (cstring_makeLiteral ("Specification"), uentry_whereSpecified (spec)); | |
6847 | } | |
6848 | } | |
6849 | else | |
6850 | { | |
6851 | /* nothing to show */ | |
6852 | } | |
6853 | ||
6854 | } | |
6855 | ||
6856 | void | |
6857 | uentry_showWhereAny (uentry spec) | |
6858 | { | |
6859 | if (uentry_isDeclared (spec)) | |
6860 | { | |
6861 | if (uentry_hasName (spec)) | |
6862 | { | |
6863 | llgenindentmsg (message ("Declaration of %q", uentry_getName (spec)), | |
6864 | uentry_whereDeclared (spec)); | |
6865 | } | |
6866 | else | |
6867 | { | |
6868 | llgenindentmsg (cstring_makeLiteral ("Declaration"), uentry_whereDeclared (spec)); | |
6869 | } | |
6870 | } | |
6871 | else if (uentry_isSpecified (spec)) | |
6872 | { | |
6873 | if (uentry_hasName (spec)) | |
6874 | { | |
6875 | llgenindentmsg (message ("Specification of %q", | |
6876 | uentry_getName (spec)), | |
6877 | uentry_whereSpecified (spec)); | |
6878 | } | |
6879 | else | |
6880 | { | |
6881 | llgenindentmsg (cstring_makeLiteral ("Specification"), | |
6882 | uentry_whereSpecified (spec)); | |
6883 | } | |
6884 | } | |
6885 | else if (fileloc_isDefined (uentry_whereDefined (spec))) | |
6886 | { | |
6887 | if (uentry_hasName (spec)) | |
6888 | { | |
6889 | llgenindentmsg (message ("Definition of %q", uentry_getName (spec)), | |
6890 | uentry_whereDefined (spec)); | |
6891 | } | |
6892 | else | |
6893 | { | |
6894 | llgenindentmsg (cstring_makeLiteral ("Definition"), uentry_whereDefined (spec)); | |
6895 | } | |
6896 | } | |
6897 | else | |
6898 | { | |
6899 | /* nothing to show */ | |
6900 | } | |
6901 | } | |
6902 | ||
6903 | void | |
6904 | uentry_showWhereDefined (uentry spec) | |
6905 | { | |
6906 | if (uentry_isCodeDefined (spec)) | |
6907 | { | |
6908 | llgenindentmsg (message ("Previous definition of %q", uentry_getName (spec)), | |
6909 | uentry_whereDefined (spec)); | |
6910 | } | |
6911 | } | |
6912 | ||
6913 | void | |
6914 | uentry_showWhereLastPlain (uentry spec) | |
6915 | { | |
6916 | if (uentry_isDeclared (spec)) | |
6917 | { | |
6918 | llgenindentmsg (message ("Previous declaration of %q", uentry_getName (spec)), | |
6919 | uentry_whereDeclared (spec)); | |
6920 | } | |
6921 | else if (uentry_isSpecified (spec)) | |
6922 | { | |
6923 | llgenindentmsg (message ("Specification of %q", uentry_getName (spec)), | |
6924 | uentry_whereSpecified (spec)); | |
6925 | } | |
6926 | else | |
6927 | { | |
6928 | } | |
6929 | } | |
6930 | ||
6931 | static void | |
6932 | uentry_showWhereLastVal (uentry spec, cstring val) | |
6933 | { | |
6934 | if (uentry_isDeclared (spec)) | |
6935 | { | |
6936 | llgenindentmsg (message ("Previous declaration of %q: %s", | |
6937 | uentry_getName (spec), val), | |
6938 | uentry_whereDeclared (spec)); | |
6939 | } | |
6940 | else if (uentry_isSpecified (spec)) | |
6941 | { | |
6942 | llgenindentmsg (message ("Specification of %q: %s", | |
6943 | uentry_getName (spec), val), | |
6944 | uentry_whereSpecified (spec)); | |
6945 | } | |
6946 | else | |
6947 | { | |
6948 | } | |
6949 | } | |
6950 | ||
6951 | void | |
6952 | uentry_showWhereSpecified (uentry spec) | |
6953 | { | |
6954 | if (uentry_isSpecified (spec)) | |
6955 | { | |
6956 | if (uentry_hasName (spec)) | |
6957 | { | |
6958 | llgenindentmsg (message ("Specification of %q", uentry_getName (spec)), | |
6959 | uentry_whereSpecified (spec)); | |
6960 | } | |
6961 | else | |
6962 | { | |
6963 | llgenindentmsg (cstring_makeLiteral ("Specification"), | |
6964 | uentry_whereSpecified (spec)); | |
6965 | } | |
6966 | } | |
6967 | else if (uentry_isDeclared (spec)) | |
6968 | { | |
6969 | llgenindentmsg (message ("Declaration of %q", uentry_getName (spec)), | |
6970 | uentry_whereDeclared (spec)); | |
6971 | } | |
6972 | else | |
6973 | { | |
6974 | /* nothing to show */ | |
6975 | } | |
6976 | } | |
6977 | ||
6978 | void | |
6979 | uentry_showWhereSpecifiedExtra (uentry spec, cstring s) | |
6980 | { | |
6981 | if (uentry_isSpecified (spec)) | |
6982 | { | |
6983 | if (uentry_hasName (spec)) | |
6984 | { | |
6985 | llgenindentmsg (message ("Specification of %q: %q", | |
6986 | uentry_getName (spec), s), | |
6987 | uentry_whereSpecified (spec)); | |
6988 | } | |
6989 | else | |
6990 | { | |
6991 | llgenindentmsg (message ("Specification: %q", s), | |
6992 | uentry_whereSpecified (spec)); | |
6993 | } | |
6994 | } | |
6995 | else if (uentry_isDeclared (spec)) | |
6996 | { | |
6997 | llgenindentmsg (message ("Declaration of %q: %q", | |
6998 | uentry_getName (spec), s), | |
6999 | uentry_whereDeclared (spec)); | |
7000 | } | |
7001 | else | |
7002 | { | |
7003 | llgenindentmsg (message ("Previous: %q", s), | |
7004 | uentry_whereLast (spec)); | |
7005 | } | |
7006 | } | |
7007 | ||
7008 | /* | |
7009 | ** | |
7010 | */ | |
7011 | ||
7012 | static void | |
7013 | checkStructConformance (uentry old, uentry unew) | |
7014 | { | |
7015 | ctype oldr, newr; | |
7016 | uentryList fold, fnew; | |
7017 | ||
7018 | /* | |
7019 | ** requires: types of old and new are structs or unions | |
7020 | */ | |
7021 | ||
7022 | llassert (uentry_isValid (old)); | |
7023 | llassert (uentry_isValid (unew)); | |
7024 | ||
7025 | oldr = ctype_realType (old->utype); | |
7026 | fold = ctype_getFields (oldr); | |
7027 | ||
7028 | newr = ctype_realType (unew->utype); | |
7029 | fnew = ctype_getFields (newr); | |
7030 | ||
7031 | if (!uentryList_matchFields (fold, fnew)) | |
7032 | { | |
7033 | if (fileloc_equal (uentry_whereLast (old), | |
7034 | uentry_whereLast (unew))) | |
7035 | { | |
7036 | ; /* cheat! */ | |
7037 | } | |
7038 | else | |
7039 | { | |
7040 | if (optgenerror | |
7041 | (FLG_MATCHFIELDS, | |
7042 | message ("%q %q %rdeclared with fields { %q }, %s " | |
7043 | "with fields { %q }", | |
7044 | cstring_makeLiteral (ctype_isStruct (newr) ? "Structure": "Union"), | |
7045 | uentry_getName (old), | |
7046 | uentry_isDeclared (old), | |
7047 | uentryList_unparseAbbrev (fnew), | |
7048 | uentry_specOrDefName (old), | |
7049 | uentryList_unparseAbbrev (fold)), | |
7050 | uentry_whereDeclared (unew))) | |
7051 | { | |
7052 | uentry_showWhereLastPlain (old); | |
7053 | uentryList_showFieldDifference (fold, fnew); | |
7054 | } | |
7055 | } | |
7056 | ||
7057 | old->utype = unew->utype; | |
7058 | } | |
7059 | } | |
7060 | ||
7061 | static void | |
7062 | checkEnumConformance (/*@notnull@*/ uentry old, /*@notnull@*/ uentry unew) | |
7063 | { | |
7064 | /* | |
7065 | ** requires old and new are enums | |
7066 | */ | |
7067 | ||
7068 | ctype rold = ctype_realType (old->utype); | |
7069 | ctype rnew = ctype_realType (unew->utype); | |
7070 | enumNameList eold = ctype_elist (rold); | |
7071 | enumNameList enew = ctype_elist (rnew); | |
7072 | ||
7073 | if (!enumNameList_match (eold, enew)) | |
7074 | { | |
7075 | if (optgenerror | |
7076 | (FLG_MATCHFIELDS, | |
7077 | message ("Enum %q declared with members { %q } but " | |
7078 | "specified with members { %q }", | |
7079 | uentry_getName (old), | |
7080 | enumNameList_unparse (enew), | |
7081 | enumNameList_unparse (eold)), | |
7082 | uentry_whereDeclared (unew))) | |
7083 | { | |
7084 | uentry_showWhereSpecified (old); | |
7085 | old->utype = unew->utype; | |
7086 | } | |
7087 | } | |
7088 | } | |
7089 | ||
7090 | /* | |
7091 | ** either oldCurrent or newCurrent may be undefined! | |
7092 | */ | |
7093 | ||
7094 | static void | |
7095 | paramTypeError (uentry old, uentry oldCurrent, ctype oldType, | |
7096 | uentry unew, uentry newCurrent, ctype newType, | |
7097 | int paramno) | |
7098 | { | |
7099 | bool hasError = FALSE; | |
7100 | ||
7101 | if (uentry_isValid (newCurrent) && uentry_isDeclared (newCurrent)) | |
7102 | { | |
7103 | if (uentry_hasName (newCurrent)) | |
7104 | { | |
7105 | hasError = optgenerror | |
7106 | (FLG_TYPE, | |
7107 | message ("Parameter %d, %q, of function %q has inconsistent type: " | |
7108 | "declared %t, %s %t", | |
7109 | paramno + 1, uentry_getName (newCurrent), | |
7110 | uentry_getName (unew), | |
7111 | newType, uentry_specOrDefName (old), oldType), | |
7112 | uentry_whereDeclared (newCurrent)); | |
7113 | } | |
7114 | else | |
7115 | { | |
7116 | hasError = optgenerror | |
7117 | (FLG_TYPE, | |
7118 | message ("Parameter %d of function %q has inconsistent type: " | |
7119 | "declared %t, %s %t", | |
7120 | paramno + 1, uentry_getName (unew), | |
7121 | newType, uentry_specOrDefName (old), oldType), | |
7122 | uentry_whereDeclared (newCurrent)); | |
7123 | ||
7124 | DPRINTF (("type: %s / %s", | |
7125 | ctype_unparse (newType), | |
7126 | ctype_unparse (ctype_realType (newType)))); | |
7127 | } | |
7128 | } | |
7129 | else | |
7130 | { | |
7131 | if (uentry_isDeclared (unew)) | |
7132 | { | |
7133 | hasError = optgenerror | |
7134 | (FLG_TYPE, | |
7135 | message ("Parameter %d of function %s has inconsistent type: " | |
7136 | "declared %t, %s %t", | |
7137 | paramno + 1, unew->uname, | |
7138 | newType, uentry_specOrDefName (old), oldType), | |
7139 | uentry_whereDeclared (unew)); | |
7140 | } | |
7141 | else | |
7142 | { | |
7143 | hasError = optgenerror | |
7144 | (FLG_TYPE, | |
7145 | message ("Parameter %d of function %s has inconsistent type: " | |
7146 | "declared %t, %s %t", | |
7147 | paramno + 1, unew->uname, | |
7148 | newType, uentry_specOrDefName (old), oldType), | |
7149 | uentry_whereDeclared (unew)); | |
7150 | } | |
7151 | } | |
7152 | ||
7153 | if (hasError) | |
7154 | { | |
7155 | if (!uentry_isUndefined (oldCurrent)) | |
7156 | { | |
7157 | if (!uentry_isUndefined (newCurrent) | |
7158 | && cstring_equal (uentry_rawName (newCurrent), uentry_rawName (oldCurrent))) | |
7159 | { | |
7160 | uentry_showWhereLast (oldCurrent); | |
7161 | } | |
7162 | else | |
7163 | { | |
7164 | uentry_showWhereLastPlain (old); | |
7165 | } | |
7166 | ||
7167 | uentry_setType (oldCurrent, newType); | |
7168 | } | |
7169 | else | |
7170 | { | |
7171 | uentry_showWhereLastPlain (old); | |
7172 | } | |
7173 | } | |
7174 | } | |
7175 | ||
7176 | static void | |
7177 | nargsError (/*@notnull@*/ uentry old, /*@notnull@*/ uentry unew) | |
7178 | { | |
7179 | if (optgenerror | |
7180 | (FLG_TYPE, | |
28bf4b0b | 7181 | message ("Function %s %rdeclared with %d arg%&, %s with %d", |
616915dd | 7182 | unew->uname, |
7183 | uentry_isDeclared (old), | |
7184 | uentryList_size (uentry_getParams (unew)), | |
7185 | uentry_specOrDefName (old), | |
7186 | uentryList_size (uentry_getParams (old))), | |
7187 | uentry_whereDeclared (unew))) | |
7188 | { | |
7189 | uentry_showWhereLastPlain (old); | |
7190 | } | |
7191 | } | |
7192 | ||
7193 | static void | |
7194 | returnValueError (/*@notnull@*/ uentry old, /*@notnull@*/ uentry unew) | |
7195 | { | |
7196 | if (optgenerror | |
7197 | (FLG_INCONDEFS, | |
7198 | message ("Function %s inconsistently %rdeclared to return %t", | |
7199 | unew->uname, | |
7200 | uentry_isDeclared (old), | |
28bf4b0b | 7201 | ctype_getReturnType (unew->utype)), |
616915dd | 7202 | uentry_whereDeclared (unew))) |
7203 | { | |
28bf4b0b | 7204 | uentry_showWhereLastVal (old, ctype_unparse (ctype_getReturnType (old->utype))); |
616915dd | 7205 | } |
7206 | } | |
7207 | ||
7208 | static cstring paramStorageName (uentry ue) | |
7209 | { | |
7210 | return (cstring_makeLiteralTemp (uentry_isParam (ue) ? "param" : "storage")); | |
7211 | } | |
7212 | ||
7213 | static cstring fcnErrName (uentry ue) | |
7214 | { | |
7215 | return (cstring_makeLiteralTemp (uentry_isFunction (ue) ? "to return" : "as")); | |
7216 | } | |
7217 | ||
7218 | extern /*@observer@*/ cstring uentry_checkedName (uentry ue) | |
7219 | { | |
7220 | if (uentry_isVar (ue)) | |
7221 | { | |
7222 | return (checkedName (ue->info->var->checked)); | |
7223 | } | |
7224 | else | |
7225 | { | |
7226 | return (cstring_makeLiteralTemp ("<checked invalid>")); | |
7227 | } | |
7228 | } | |
7229 | ||
7230 | static cstring checkedName (chkind checked) | |
7231 | { | |
7232 | switch (checked) | |
7233 | { | |
7234 | case CH_UNKNOWN: return (cstring_makeLiteralTemp ("unknown")); | |
7235 | case CH_UNCHECKED: return (cstring_makeLiteralTemp ("unchecked")); | |
7236 | case CH_CHECKED: return (cstring_makeLiteralTemp ("checked")); | |
7237 | case CH_CHECKMOD: return (cstring_makeLiteralTemp ("checkmod")); | |
7238 | case CH_CHECKEDSTRICT: return (cstring_makeLiteralTemp ("checkedstrict")); | |
7239 | } | |
7240 | BADEXIT; | |
7241 | } | |
7242 | ||
7243 | static | |
7244 | void checkNullState (/*@notnull@*/ uentry old, /*@notnull@*/ uentry unew, bool mustConform, bool completeConform) | |
7245 | { | |
7246 | nstate oldState; | |
7247 | nstate newState; | |
7248 | ||
7249 | if (uentry_isVar (unew)) | |
7250 | { | |
7251 | llassert (uentry_isVar (old)); | |
7252 | ||
7253 | oldState = old->info->var->nullstate; | |
7254 | newState = unew->info->var->nullstate; | |
7255 | } | |
7256 | else | |
7257 | { | |
7258 | oldState = sRef_getNullState (old->sref); | |
7259 | newState = sRef_getNullState (unew->sref); | |
7260 | } | |
7261 | ||
7262 | if (oldState == NS_ABSNULL) | |
7263 | { | |
7264 | if (uentry_isVar (old)) | |
7265 | { | |
7266 | old->info->var->nullstate = newState; | |
7267 | } | |
7268 | ||
7269 | sRef_mergeNullState (old->sref, newState); | |
7270 | } | |
7271 | else if (newState == NS_UNKNOWN) | |
7272 | { | |
7273 | if (completeConform && newState != oldState | |
7274 | && uentry_isReallySpecified (old)) | |
7275 | { | |
7276 | if (optgenerror | |
7277 | (FLG_NEEDSPEC, | |
7278 | message ("%s %q specified as %s, but declared without %s qualifier", | |
7279 | ekind_capName (unew->ukind), | |
7280 | uentry_getName (unew), | |
7281 | nstate_unparse (oldState), | |
7282 | nstate_unparse (oldState)), | |
7283 | uentry_whereDeclared (unew))) | |
7284 | { | |
7285 | uentry_showWhereSpecified (old); | |
7286 | } | |
7287 | } | |
7288 | ||
7289 | if (uentry_isVar (unew)) | |
7290 | { | |
7291 | unew->info->var->nullstate = oldState; | |
7292 | } | |
7293 | ||
7294 | sRef_mergeNullState (unew->sref, oldState); | |
7295 | } | |
7296 | else if (newState == NS_POSNULL) | |
7297 | { | |
7298 | if (oldState == NS_MNOTNULL | |
7299 | && (ctype_isUA (unew->utype) | |
7300 | || (uentry_isFunction (unew) | |
28bf4b0b | 7301 | && ctype_isUA (ctype_getReturnType (unew->utype))))) |
616915dd | 7302 | { |
7303 | if (uentry_isVar (unew)) | |
7304 | { | |
7305 | unew->info->var->nullstate = oldState; | |
7306 | } | |
7307 | ||
7308 | sRef_mergeNullState (unew->sref, oldState); | |
7309 | } | |
7310 | else | |
7311 | { | |
7312 | if (oldState == NS_NOTNULL || oldState == NS_MNOTNULL | |
7313 | || oldState == NS_UNKNOWN) | |
7314 | { | |
7315 | if (mustConform) | |
7316 | { | |
7317 | if (optgenerror | |
7318 | (FLG_INCONDEFS, | |
7319 | message | |
7320 | ("%s %q inconsistently %rdeclared %s possibly null storage, " | |
7321 | "%s %q qualifier", | |
7322 | uentry_ekindName (unew), | |
7323 | uentry_getName (unew), | |
7324 | uentry_isDeclared (old), | |
7325 | fcnErrName (unew), | |
7326 | uentry_specOrDefName (old), | |
7327 | cstring_makeLiteral (oldState == NS_MNOTNULL ? "with notnull" : "without null")), | |
7328 | uentry_whereDeclared (unew))) | |
7329 | { | |
7330 | uentry_showWhereSpecified (old); | |
7331 | } | |
7332 | } | |
7333 | } | |
7334 | ||
7335 | if (uentry_isVar (old)) | |
7336 | { | |
7337 | old->info->var->nullstate = newState; | |
7338 | } | |
7339 | ||
7340 | sRef_mergeNullState (old->sref, newState); | |
7341 | } | |
7342 | } | |
7343 | else if (newState == NS_MNOTNULL) | |
7344 | { | |
7345 | if (oldState != NS_MNOTNULL) | |
7346 | { | |
7347 | if (mustConform) | |
7348 | { | |
7349 | if (optgenerror | |
7350 | (FLG_INCONDEFS, | |
7351 | message ("%s %q inconsistently %rdeclared %s notnull storage, " | |
7352 | "%s without notnull qualifier", | |
7353 | uentry_ekindName (unew), | |
7354 | uentry_getName (unew), | |
7355 | uentry_isDeclared (old), | |
7356 | fcnErrName (unew), | |
7357 | uentry_specOrDefName (old)), | |
7358 | uentry_whereDeclared (unew))) | |
7359 | { | |
7360 | uentry_showWhereSpecified (old); | |
7361 | } | |
7362 | } | |
7363 | ||
7364 | if (uentry_isVar (old)) | |
7365 | { | |
7366 | old->info->var->nullstate = newState; | |
7367 | } | |
7368 | ||
7369 | sRef_mergeNullState (old->sref, newState); | |
7370 | } | |
7371 | } | |
7372 | else | |
7373 | { | |
7374 | if (uentry_isVar (unew)) | |
7375 | { | |
7376 | unew->info->var->nullstate = oldState; | |
7377 | } | |
7378 | ||
7379 | sRef_mergeNullState (unew->sref, oldState); | |
7380 | } | |
7381 | } | |
7382 | ||
7383 | static | |
7384 | void checkDefState (/*@notnull@*/ uentry old, /*@notnull@*/ uentry unew, | |
7385 | bool mustConform, bool completeConform) | |
7386 | { | |
7387 | sstate oldState; | |
7388 | sstate newState; | |
7389 | bool vars = FALSE; | |
7390 | ||
7391 | if (uentry_isVar (old) && uentry_isVar (unew)) | |
7392 | { | |
7393 | oldState = old->info->var->defstate; | |
7394 | newState = unew->info->var->defstate; | |
7395 | vars = TRUE; | |
7396 | } | |
7397 | else | |
7398 | { | |
7399 | oldState = sRef_getDefState (old->sref); | |
7400 | newState = sRef_getDefState (unew->sref); | |
7401 | } | |
7402 | ||
28bf4b0b | 7403 | if (newState != oldState |
7404 | && newState != SS_UNKNOWN | |
7405 | && newState != SS_DEFINED) | |
616915dd | 7406 | { |
28bf4b0b | 7407 | DPRINTF (("Where declared: %s / %s", |
7408 | fileloc_unparse (uentry_whereDeclared (unew)), | |
7409 | bool_unparse (fileloc_isXHFile (uentry_whereDeclared (unew))))); | |
7410 | ||
616915dd | 7411 | if (mustConform) |
7412 | { | |
7413 | if (optgenerror | |
7414 | (FLG_INCONDEFS, | |
7415 | message ("%s %q inconsistently %rdeclared %s %s %s, " | |
7416 | "%s %s %s %s", | |
7417 | uentry_ekindName (unew), | |
7418 | uentry_getName (unew), | |
7419 | uentry_isDeclared (old), | |
7420 | fcnErrName (unew), | |
7421 | sstate_unparse (newState), | |
7422 | paramStorageName (unew), | |
7423 | uentry_specOrDefName (old), | |
7424 | fcnErrName (unew), | |
7425 | sstate_unparse (oldState), | |
7426 | paramStorageName (unew)), | |
7427 | uentry_whereDeclared (unew))) | |
7428 | { | |
7429 | uentry_showWhereSpecified (old); | |
7430 | } | |
7431 | } | |
28bf4b0b | 7432 | |
616915dd | 7433 | if (vars) old->info->var->defstate = newState; |
7434 | sRef_setDefState (old->sref, newState, uentry_whereDeclared (unew)); | |
7435 | } | |
7436 | else | |
7437 | { | |
7438 | if (completeConform | |
7439 | && (newState != oldState) && (oldState != SS_DEFINED) | |
7440 | && uentry_isReallySpecified (old)) | |
7441 | { | |
7442 | if (optgenerror | |
7443 | (FLG_NEEDSPEC, | |
7444 | message ("%s %q specified as %s, but declared without %s qualifier", | |
7445 | ekind_capName (unew->ukind), | |
7446 | uentry_getName (unew), | |
7447 | sstate_unparse (oldState), | |
7448 | sstate_unparse (oldState)), | |
7449 | uentry_whereDeclared (unew))) | |
7450 | { | |
7451 | uentry_showWhereSpecified (old); | |
7452 | } | |
7453 | } | |
28bf4b0b | 7454 | |
616915dd | 7455 | if (vars) unew->info->var->defstate = oldState; |
7456 | sRef_setDefState (unew->sref, oldState, uentry_whereDeclared (unew)); | |
7457 | } | |
7458 | } | |
7459 | ||
7460 | static void | |
7461 | checkAliasState (/*@notnull@*/ uentry old, /*@notnull@*/ uentry unew, | |
7462 | bool mustConform, bool completeConform) | |
7463 | { | |
7464 | alkind newKind; | |
7465 | alkind oldKind; | |
7466 | ||
7467 | oldKind = sRef_getAliasKind (old->sref); | |
7468 | newKind = sRef_getAliasKind (unew->sref); | |
7469 | ||
7470 | if (alkind_isImplicit (newKind) | |
7471 | || (alkind_isRefCounted (newKind) && !uentry_isDatatype (unew))) | |
7472 | { | |
7473 | if (completeConform && !alkind_equal (newKind, oldKind) | |
7474 | && uentry_isReallySpecified (old)) | |
7475 | { | |
7476 | if (optgenerror | |
7477 | (FLG_NEEDSPEC, | |
7478 | message ("%s %q specified as %s, but declared without " | |
7479 | "explicit alias qualifier", | |
7480 | ekind_capName (unew->ukind), | |
7481 | uentry_getName (unew), | |
7482 | alkind_unparse (oldKind)), | |
7483 | uentry_whereDeclared (unew))) | |
7484 | { | |
7485 | uentry_showWhereSpecified (old); | |
7486 | } | |
7487 | } | |
7488 | ||
7489 | /* | |
7490 | ** This really shouldn't be necessary, but it is! | |
7491 | ** Function params (?) use new here. | |
7492 | */ | |
7493 | ||
7494 | sRef_setAliasKind (unew->sref, oldKind, uentry_whereDeclared (unew)); | |
7495 | return; | |
7496 | } | |
7497 | ||
7498 | if (alkind_isKnown (newKind)) | |
7499 | { | |
7500 | if (!alkind_equal (oldKind, newKind)) | |
7501 | { | |
7502 | if (alkind_isKnown (oldKind)) | |
7503 | { | |
7504 | if (mustConform && | |
7505 | optgenerror | |
7506 | (FLG_INCONDEFS, | |
7507 | message ("%s %q inconsistently %rdeclared %s %s storage, " | |
7508 | "%s as %s storage", | |
7509 | uentry_ekindName (unew), | |
7510 | uentry_getName (unew), | |
7511 | uentry_isDeclared (old), | |
7512 | fcnErrName (unew), | |
7513 | alkind_unparse (newKind), | |
7514 | uentry_specOrDefName (old), | |
7515 | alkind_unparse (oldKind)), | |
7516 | uentry_whereDeclared (unew))) | |
7517 | { | |
7518 | uentry_showWhereSpecified (old); | |
7519 | ||
28bf4b0b | 7520 | DPRINTF (("Old: %s", sRef_unparseFull (old->sref))); |
7521 | DPRINTF (("New: %s", sRef_unparseFull (unew->sref))); | |
616915dd | 7522 | sRef_setAliasKind (old->sref, AK_ERROR, |
7523 | uentry_whereDeclared (unew)); | |
7524 | } | |
7525 | else | |
7526 | { | |
7527 | sRef_setAliasKind (old->sref, newKind, | |
7528 | uentry_whereDeclared (unew)); | |
7529 | } | |
7530 | } | |
7531 | else | |
7532 | { | |
7533 | if (!(alkind_isImplicit (newKind))) | |
7534 | { | |
7535 | if (mustConform && | |
7536 | !uentry_isFunction (unew) && | |
7537 | optgenerror | |
7538 | (FLG_INCONDEFS, | |
7539 | message ("%s %q inconsistently %rdeclared %s %s storage, " | |
7540 | "implicitly %s as temp storage", | |
7541 | uentry_ekindName (unew), | |
7542 | uentry_getName (unew), | |
7543 | uentry_isDeclared (old), | |
7544 | fcnErrName (unew), | |
7545 | alkind_unparse (newKind), | |
7546 | uentry_specOrDefName (old)), | |
7547 | uentry_whereDeclared (unew))) | |
7548 | { | |
7549 | uentry_showWhereSpecified (old); | |
7550 | oldKind = AK_ERROR; | |
7551 | } | |
7552 | ||
7553 | sRef_setAliasKind (old->sref, newKind, | |
7554 | uentry_whereDeclared (unew)); | |
7555 | } | |
7556 | else /* newKind is temp or refcounted */ | |
7557 | { | |
7558 | ; | |
7559 | } | |
7560 | } | |
7561 | } | |
7562 | } | |
7563 | else /* newKind unknown */ | |
7564 | { | |
7565 | ; | |
7566 | } | |
7567 | } | |
7568 | ||
7569 | static void | |
7570 | checkExpState(/*@notnull@*/ uentry old, /*@notnull@*/ uentry unew, | |
7571 | bool mustConform, bool completeConform) | |
7572 | { | |
7573 | exkind newKind; | |
7574 | exkind oldKind; | |
7575 | ||
7576 | oldKind = sRef_getExKind (old->sref); | |
7577 | newKind = sRef_getExKind (unew->sref); | |
7578 | ||
7579 | if (exkind_isKnown (newKind)) | |
7580 | { | |
7581 | if (oldKind != newKind) | |
7582 | { | |
7583 | if (exkind_isKnown (oldKind)) | |
7584 | { | |
7585 | if (mustConform && | |
7586 | optgenerror | |
7587 | (FLG_INCONDEFS, | |
7588 | message ("%s %q inconsistently %rdeclared %s %s, %s as %s", | |
7589 | uentry_ekindName (unew), | |
7590 | uentry_getName (unew), | |
7591 | uentry_isDeclared (old), | |
7592 | fcnErrName (unew), | |
7593 | exkind_unparse (newKind), | |
7594 | uentry_specOrDefName (old), | |
7595 | exkind_unparse (oldKind)), | |
7596 | uentry_whereDeclared (unew))) | |
7597 | { | |
7598 | uentry_showWhereSpecified (old); | |
7599 | } | |
7600 | ||
7601 | sRef_setExKind (old->sref, newKind, uentry_whereDefined (unew)); | |
7602 | } | |
7603 | else | |
7604 | { | |
7605 | if (mustConform && | |
7606 | optgenerror | |
7607 | (FLG_INCONDEFS, | |
7608 | message ("%s %q inconsistently %rdeclared %s %s, " | |
7609 | "implicitly %s without exposure qualifier", | |
7610 | uentry_ekindName (unew), | |
7611 | uentry_getName (unew), | |
7612 | uentry_isDeclared (old), | |
7613 | fcnErrName (unew), | |
7614 | exkind_unparse (newKind), | |
7615 | uentry_specOrDefName (old)), | |
7616 | uentry_whereDeclared (unew))) | |
7617 | { | |
7618 | uentry_showWhereSpecified (old); | |
7619 | } | |
7620 | ||
7621 | sRef_setExKind (old->sref, newKind, uentry_whereDefined (unew)); | |
7622 | } | |
7623 | } | |
7624 | } | |
7625 | else | |
7626 | { | |
7627 | if (completeConform && exkind_isKnown (oldKind) | |
7628 | && uentry_isReallySpecified (old)) | |
7629 | { | |
7630 | if (optgenerror | |
7631 | (FLG_NEEDSPEC, | |
7632 | message ("%s %q specified as %s, but declared without " | |
7633 | "exposure qualifier", | |
7634 | ekind_capName (unew->ukind), | |
7635 | uentry_getName (unew), | |
7636 | exkind_unparse (oldKind)), | |
7637 | uentry_whereDeclared (unew))) | |
7638 | { | |
7639 | uentry_showWhereSpecified (old); | |
7640 | } | |
7641 | } | |
7642 | ||
7643 | /* yes, this is necessary! (if its a param) */ | |
7644 | sRef_setExKind (unew->sref, oldKind, fileloc_undefined); | |
7645 | } | |
7646 | } | |
7647 | ||
28bf4b0b | 7648 | static void |
7649 | checkMetaState (/*@notnull@*/ uentry old, /*@notnull@*/ uentry unew, | |
7650 | bool mustConform, /*@unused@*/ bool completeConform) | |
7651 | { | |
7652 | valueTable newvals = sRef_getValueTable (unew->sref); | |
7653 | ||
7654 | if (valueTable_isDefined (newvals)) | |
7655 | { | |
7656 | DPRINTF (("Check meta state: %s -> %s", | |
7657 | uentry_unparseFull (old), | |
7658 | uentry_unparseFull (unew))); | |
7659 | ||
7660 | DPRINTF (("Check meta state refs: %s -> %s", | |
7661 | sRef_unparseFull (old->sref), | |
7662 | sRef_unparseFull (unew->sref))); | |
7663 | ||
7664 | DPRINTF (("Value table: %s", valueTable_unparse (newvals))); | |
7665 | ||
7666 | /* | |
7667 | ** Copy the new values into the old ref | |
7668 | */ | |
7669 | ||
7670 | valueTable_elements (newvals, key, newval) | |
7671 | { | |
7672 | metaStateInfo msinfo = context_lookupMetaStateInfo (key); | |
7673 | stateValue oldval = sRef_getMetaStateValue (old->sref, key); | |
7674 | ||
7675 | llassert (metaStateInfo_isDefined (msinfo)); | |
7676 | ||
7677 | if (stateValue_isUndefined (oldval)) | |
7678 | { | |
7679 | sRef_setMetaStateValue (old->sref, key, stateValue_getValue (newval), uentry_whereLast (unew)); | |
7680 | } | |
7681 | else | |
7682 | { | |
7683 | if (stateValue_isError (oldval)) | |
7684 | { | |
7685 | if (!stateValue_isError (newval)) | |
7686 | { | |
7687 | sRef_setMetaStateValue (old->sref, key, stateValue_getValue (newval), uentry_whereLast (unew)); | |
7688 | } | |
7689 | else | |
7690 | { | |
7691 | ; /* No change necessary. */ | |
7692 | } | |
7693 | } | |
7694 | else | |
7695 | { | |
7696 | if (stateValue_getValue (newval) != stateValue_getValue (oldval)) | |
7697 | { | |
7698 | if (fileloc_isXHFile (uentry_whereDeclared (unew))) | |
7699 | { | |
7700 | ; | |
7701 | } | |
7702 | else | |
7703 | { | |
7704 | if (mustConform | |
7705 | && optgenerror | |
7706 | (FLG_INCONDEFS, | |
7707 | message ("%s %q inconsistently %rdeclared %s %s, %s as %s", | |
7708 | uentry_ekindName (unew), | |
7709 | uentry_getName (unew), | |
7710 | uentry_isDeclared (old), | |
7711 | fcnErrName (unew), | |
7712 | metaStateInfo_unparseValue (msinfo, | |
7713 | stateValue_getValue (newval)), | |
7714 | uentry_specOrDefName (old), | |
7715 | metaStateInfo_unparseValue (msinfo, | |
7716 | stateValue_getValue (oldval))), | |
7717 | uentry_whereDeclared (unew))) | |
7718 | { | |
7719 | uentry_showWhereSpecified (old); | |
7720 | } | |
7721 | } | |
7722 | ||
7723 | DPRINTF (("Updating!")); | |
7724 | sRef_setMetaStateValue (old->sref, key, stateValue_getValue (newval), uentry_whereLast (unew)); | |
7725 | } | |
7726 | else | |
7727 | { | |
7728 | DPRINTF (("Values match")); | |
7729 | } | |
7730 | } | |
7731 | } | |
7732 | } end_valueTable_elements ; | |
7733 | } | |
7734 | } | |
7735 | ||
616915dd | 7736 | static void |
7737 | uentry_checkStateConformance (/*@notnull@*/ uentry old, | |
7738 | /*@notnull@*/ uentry unew, | |
7739 | bool mustConform, bool completeConform) | |
7740 | { | |
7741 | checkDefState (old, unew, mustConform, completeConform); | |
7742 | checkNullState (old, unew, mustConform, completeConform); | |
7743 | checkAliasState (old, unew, mustConform, completeConform); | |
7744 | checkExpState (old, unew, mustConform, completeConform); | |
28bf4b0b | 7745 | checkMetaState (old, unew, mustConform, completeConform); |
616915dd | 7746 | |
7747 | sRef_storeState (old->sref); | |
7748 | sRef_storeState (unew->sref); | |
7749 | } | |
7750 | ||
7751 | static void | |
7752 | checkVarConformance (uentry old, uentry unew, bool mustConform, bool completeConform) | |
7753 | { | |
7754 | if (uentry_isElipsisMarker (old) || uentry_isElipsisMarker (unew)) | |
7755 | { | |
7756 | return; | |
7757 | } | |
7758 | ||
7759 | llassert (uentry_isVar (old)); | |
7760 | llassert (uentry_isVar (unew)); | |
7761 | ||
7762 | if (cstring_isEmpty (old->uname)) | |
7763 | { | |
7764 | cstring_free (old->uname); | |
7765 | old->uname = cstring_copy (unew->uname); | |
7766 | } | |
7767 | ||
7768 | if (unew->info->var->kind == VKRETPARAM | |
7769 | || unew->info->var->kind == VKSEFRETPARAM) | |
7770 | { | |
7771 | if (old->info->var->kind != VKRETPARAM | |
7772 | && old->info->var->kind != VKSEFRETPARAM) | |
7773 | { | |
7774 | if (optgenerror | |
7775 | (FLG_INCONDEFS, | |
7776 | message ("Parameter %q inconsistently %rdeclared as " | |
7777 | "returned parameter", | |
7778 | uentry_getName (unew), | |
7779 | uentry_isDeclared (old)), | |
7780 | uentry_whereDeclared (unew))) | |
7781 | { | |
7782 | uentry_showWhereSpecified (old); | |
7783 | old->info->var->kind = unew->info->var->kind; | |
7784 | } | |
7785 | } | |
7786 | } | |
7787 | ||
7788 | ||
7789 | if (unew->info->var->kind == VKSEFPARAM || unew->info->var->kind == VKSEFRETPARAM) | |
7790 | { | |
7791 | if (old->info->var->kind != VKSEFPARAM | |
7792 | && old->info->var->kind != VKSEFRETPARAM) | |
7793 | { | |
7794 | if (optgenerror | |
7795 | (FLG_INCONDEFS, | |
7796 | message ("Parameter %qinconsistently %rdeclared as " | |
7797 | "sef parameter", | |
7798 | uentry_getOptName (unew), | |
7799 | uentry_isDeclared (old)), | |
7800 | uentry_whereDeclared (unew))) | |
7801 | { | |
7802 | uentry_showWhereSpecified (old); | |
7803 | old->info->var->kind = unew->info->var->kind; | |
7804 | } | |
7805 | } | |
7806 | } | |
7807 | ||
7808 | if (old->info->var->kind == VKSPEC) | |
7809 | { | |
7810 | old->info->var->kind = unew->info->var->kind; | |
7811 | } | |
7812 | else | |
7813 | { | |
7814 | unew->info->var->kind = old->info->var->kind; | |
7815 | } | |
7816 | ||
7817 | if (unew->info->var->checked != CH_UNKNOWN | |
7818 | && unew->info->var->checked != old->info->var->checked) | |
7819 | { | |
7820 | if (old->info->var->checked == CH_UNKNOWN | |
7821 | && !fileloc_isUser (uentry_whereLast (old))) | |
7822 | { | |
7823 | ; /* no error */ | |
7824 | } | |
7825 | else | |
7826 | { | |
7827 | if (optgenerror | |
7828 | (FLG_INCONDEFS, | |
7829 | message ("Variable %q inconsistently %rdeclared as " | |
7830 | "%s parameter (was %s)", | |
7831 | uentry_getName (unew), | |
7832 | uentry_isDeclared (old), | |
7833 | checkedName (unew->info->var->checked), | |
7834 | checkedName (old->info->var->checked)), | |
7835 | uentry_whereDeclared (unew))) | |
7836 | { | |
7837 | uentry_showWhereSpecified (old); | |
7838 | } | |
7839 | } | |
7840 | ||
7841 | old->info->var->checked = unew->info->var->checked; | |
7842 | } | |
7843 | else | |
7844 | { | |
7845 | if (completeConform | |
7846 | && (old->info->var->checked != CH_UNKNOWN) | |
7847 | && uentry_isReallySpecified (old)) | |
7848 | { | |
7849 | if (optgenerror | |
7850 | (FLG_NEEDSPEC, | |
7851 | message ("%s %q specified as %s, but declared without %s qualifier", | |
7852 | ekind_capName (unew->ukind), | |
7853 | uentry_getName (unew), | |
7854 | checkedName (old->info->var->checked), | |
7855 | checkedName (old->info->var->checked)), | |
7856 | uentry_whereDeclared (unew))) | |
7857 | { | |
7858 | uentry_showWhereSpecified (old); | |
7859 | } | |
7860 | } | |
7861 | ||
7862 | unew->info->var->checked = old->info->var->checked; | |
7863 | } | |
7864 | ||
7865 | uentry_checkStateConformance (old, unew, mustConform, completeConform); | |
7866 | } | |
7867 | ||
7868 | void uentry_checkMatchParam (uentry u1, uentry u2, int paramno, exprNode e) | |
7869 | { | |
7870 | if (uentry_isElipsisMarker (u1) || uentry_isElipsisMarker (u2)) | |
7871 | { | |
7872 | return; | |
7873 | } | |
7874 | ||
7875 | llassert (uentry_isVar (u1)); | |
7876 | llassert (uentry_isVar (u2)); | |
7877 | ||
7878 | if (u1->info->var->kind != u2->info->var->kind) { | |
7879 | if (u1->info->var->kind == VKSEFRETPARAM) { | |
7880 | if (u2->info->var->kind == VKRETPARAM) { | |
7881 | voptgenerror | |
7882 | (FLG_TYPE, | |
7883 | message ("Function types are inconsistent. Parameter %d is " | |
7884 | "sef parameter, but non-sef parameter in " | |
7885 | "assigned function: %s", | |
7886 | paramno, exprNode_unparse (e)), | |
7887 | exprNode_loc (e)); | |
7888 | } else if (u2->info->var->kind == VKSEFPARAM) { | |
7889 | voptgenerror | |
7890 | (FLG_TYPE, | |
7891 | message ("Function types are inconsistent. Parameter %d is " | |
7892 | "returns parameter, but non-returns parameter in " | |
7893 | "assigned function: %s", | |
7894 | paramno, exprNode_unparse (e)), | |
7895 | exprNode_loc (e)); | |
7896 | } else { | |
7897 | voptgenerror | |
7898 | (FLG_TYPE, | |
7899 | message ("Function types are inconsistent. Parameter %d is " | |
7900 | "sef returns parameter, but non-sef returns parameter in " | |
7901 | "assigned function: %s", | |
7902 | paramno, exprNode_unparse (e)), | |
7903 | exprNode_loc (e)); | |
7904 | } | |
7905 | } else if (u1->info->var->kind == VKRETPARAM) { | |
7906 | voptgenerror | |
7907 | (FLG_TYPE, | |
7908 | message ("Function types are inconsistent. Parameter %d is " | |
7909 | "returns parameter, but non-returns parameter in " | |
7910 | "assigned function: %s", | |
7911 | paramno, exprNode_unparse (e)), | |
7912 | exprNode_loc (e)); | |
7913 | } else if (u1->info->var->kind == VKSEFPARAM) { | |
7914 | voptgenerror | |
7915 | (FLG_TYPE, | |
7916 | message ("Function types are inconsistent. Parameter %d is " | |
7917 | "sef parameter, but non-sef parameter in " | |
7918 | "assigned function: %s", | |
7919 | paramno, exprNode_unparse (e)), | |
7920 | exprNode_loc (e)); | |
7921 | } else { | |
7922 | if (u2->info->var->kind == VKSEFRETPARAM) { | |
7923 | voptgenerror | |
7924 | (FLG_TYPE, | |
7925 | message ("Function types are inconsistent. Parameter %d is " | |
7926 | "normal parameter, but sef returns parameter in " | |
7927 | "assigned function: %s", | |
7928 | paramno, exprNode_unparse (e)), | |
7929 | exprNode_loc (e)); | |
7930 | } else if (u2->info->var->kind == VKSEFPARAM) { | |
7931 | voptgenerror | |
7932 | (FLG_TYPE, | |
7933 | message ("Function types are inconsistent. Parameter %d is " | |
7934 | "normal parameter, but sef parameter in " | |
7935 | "assigned function: %s", | |
7936 | paramno, exprNode_unparse (e)), | |
7937 | exprNode_loc (e)); | |
7938 | } else if (u2->info->var->kind == VKRETPARAM) { | |
7939 | voptgenerror | |
7940 | (FLG_TYPE, | |
7941 | message ("Function types are inconsistent. Parameter %d is " | |
7942 | "normal parameter, but returns parameter in " | |
7943 | "assigned function: %s", | |
7944 | paramno, exprNode_unparse (e)), | |
7945 | exprNode_loc (e)); | |
7946 | } else { | |
7947 | BADBRANCH; | |
7948 | } | |
7949 | } | |
7950 | } | |
7951 | ||
7952 | if (u1->info->var->defstate != u2->info->var->defstate) | |
7953 | { | |
7954 | voptgenerror | |
7955 | (FLG_TYPE, | |
7956 | message ("Function types are inconsistent. Parameter %d is " | |
7957 | "%s, but %s in assigned function: %s", | |
7958 | paramno, | |
7959 | sstate_unparse (u1->info->var->defstate), | |
7960 | sstate_unparse (u2->info->var->defstate), | |
7961 | exprNode_unparse (e)), | |
7962 | exprNode_loc (e)); | |
7963 | } | |
7964 | ||
7965 | if (u1->info->var->nullstate != u2->info->var->nullstate) | |
7966 | { | |
7967 | voptgenerror | |
7968 | (FLG_TYPE, | |
7969 | message ("Function types are inconsistent. Parameter %d is " | |
7970 | "%s, but %s in assigned function: %s", | |
7971 | paramno, | |
7972 | nstate_unparse (u1->info->var->nullstate), | |
7973 | nstate_unparse (u2->info->var->nullstate), | |
7974 | exprNode_unparse (e)), | |
7975 | exprNode_loc (e)); | |
7976 | } | |
7977 | ||
7978 | if (sRef_getAliasKind (u1->sref) != sRef_getAliasKind (u2->sref)) | |
7979 | { | |
7980 | voptgenerror | |
7981 | (FLG_TYPE, | |
7982 | message ("Function types are inconsistent. Parameter %d is " | |
7983 | "%s, but %s in assigned function: %s", | |
7984 | paramno, | |
7985 | alkind_unparse (sRef_getAliasKind (u1->sref)), | |
7986 | alkind_unparse (sRef_getAliasKind (u2->sref)), | |
7987 | exprNode_unparse (e)), | |
7988 | exprNode_loc (e)); | |
7989 | } | |
7990 | ||
7991 | if (sRef_getExKind (u1->sref) != sRef_getExKind (u2->sref)) | |
7992 | { | |
7993 | voptgenerror | |
7994 | (FLG_TYPE, | |
7995 | message ("Function types are inconsistent. Parameter %d is " | |
7996 | "%s, but %s in assigned function: %s", | |
7997 | paramno, | |
7998 | exkind_unparse (sRef_getExKind (u1->sref)), | |
7999 | exkind_unparse (sRef_getExKind (u2->sref)), | |
8000 | exprNode_unparse (e)), | |
8001 | exprNode_loc (e)); | |
8002 | } | |
8003 | } | |
8004 | ||
8005 | static void | |
8006 | checkFunctionConformance (/*@unique@*/ /*@notnull@*/ uentry old, | |
8007 | /*@notnull@*/ uentry unew, | |
8008 | bool mustConform, /*@unused@*/ bool completeConform) | |
8009 | { | |
8010 | uentryList oldParams = uentry_getParams (old); | |
8011 | uentryList newParams = uentry_getParams (unew); | |
8012 | ctype newType = unew->utype; | |
8013 | ctype oldType = old->utype; | |
8014 | ctype oldRetType = ctype_unknown; | |
8015 | ctype newRetType = ctype_unknown; | |
8016 | ||
28bf4b0b | 8017 | DPRINTF (("Function conform: %s ==> %s", |
8018 | uentry_unparseFull (old), | |
8019 | uentry_unparseFull (unew))); | |
8020 | ||
616915dd | 8021 | if (uentry_isForward (old)) |
8022 | { | |
8023 | mustConform = FALSE; | |
8024 | uentry_copyInto (old, unew); | |
8025 | return; | |
8026 | } | |
8027 | ||
8028 | /* | |
8029 | ** check return values | |
8030 | */ | |
8031 | ||
8032 | if (ctype_isKnown (oldType)) | |
8033 | { | |
8034 | llassert (ctype_isFunction (oldType)); | |
8035 | ||
28bf4b0b | 8036 | oldRetType = ctype_getReturnType (oldType); |
616915dd | 8037 | } |
8038 | ||
8039 | if (ctype_isKnown (newType)) | |
8040 | { | |
8041 | llassert (ctype_isFunction (newType)); | |
8042 | ||
28bf4b0b | 8043 | newRetType = ctype_getReturnType (newType); |
616915dd | 8044 | } |
8045 | ||
8046 | if (ctype_isKnown (oldRetType) && ctype_isKnown (newRetType) | |
8047 | && !ctype_matchDef (newRetType, oldRetType)) | |
8048 | { | |
8049 | if (mustConform) returnValueError (old, unew); | |
8050 | } | |
8051 | else | |
8052 | { | |
8053 | if (ctype_isConj (newRetType)) | |
8054 | { | |
8055 | if (ctype_isConj (oldRetType)) | |
8056 | { | |
8057 | if (!ctype_sameAltTypes (newRetType, oldRetType)) | |
8058 | { | |
8059 | if (optgenerror | |
8060 | (FLG_INCONDEFS, | |
8061 | message ("Function %q inconsistently %rdeclared to " | |
8062 | "return alternate types %s " | |
8063 | "(types match, but alternates are not identical, " | |
8064 | "so checking may not be correct)", | |
8065 | uentry_getName (unew), | |
8066 | uentry_isDeclared (old), | |
8067 | ctype_unparse (newRetType)), | |
8068 | uentry_whereDeclared (unew))) | |
8069 | { | |
8070 | uentry_showWhereLastVal (old, ctype_unparse (oldRetType)); | |
8071 | } | |
8072 | } | |
8073 | } | |
8074 | else | |
8075 | { | |
8076 | old->utype = ctype_makeFunction (oldRetType, uentryList_copy (newParams)); | |
8077 | } | |
8078 | } | |
8079 | } | |
8080 | ||
28bf4b0b | 8081 | DPRINTF (("Before state: %s", |
8082 | uentry_unparseFull (old))); | |
616915dd | 8083 | uentry_checkStateConformance (old, unew, mustConform, completeConform); |
28bf4b0b | 8084 | DPRINTF (("After state: %s", |
8085 | uentry_unparseFull (old))); | |
616915dd | 8086 | |
8087 | if (!exitkind_equal (unew->info->fcn->exitCode, old->info->fcn->exitCode)) | |
8088 | { | |
8089 | if (exitkind_isKnown (unew->info->fcn->exitCode)) | |
8090 | { | |
8091 | if (optgenerror | |
8092 | (FLG_INCONDEFS, | |
8093 | message ("Function %q inconsistently %rdeclared using %s", | |
8094 | uentry_getName (unew), | |
8095 | uentry_isDeclared (old), | |
8096 | exitkind_unparse (unew->info->fcn->exitCode)), | |
8097 | uentry_whereDeclared (unew))) | |
8098 | { | |
8099 | uentry_showWhereSpecified (old); | |
8100 | } | |
8101 | } | |
8102 | else | |
8103 | { | |
8104 | unew->info->fcn->exitCode = old->info->fcn->exitCode; | |
8105 | } | |
8106 | } | |
8107 | ||
8108 | if (!qual_isUnknown (unew->info->fcn->nullPred)) | |
8109 | { | |
28bf4b0b | 8110 | if (!qual_match (old->info->fcn->nullPred, unew->info->fcn->nullPred)) |
616915dd | 8111 | { |
8112 | if (optgenerror | |
8113 | (FLG_INCONDEFS, | |
8114 | message ("Function %q inconsistently %rdeclared using %s", | |
8115 | uentry_getName (unew), | |
8116 | uentry_isDeclared (old), | |
8117 | qual_unparse (unew->info->fcn->nullPred)), | |
8118 | uentry_whereDeclared (unew))) | |
8119 | { | |
8120 | uentry_showWhereSpecified (old); | |
8121 | } | |
8122 | } | |
8123 | } | |
8124 | else | |
8125 | { | |
8126 | unew->info->fcn->nullPred = old->info->fcn->nullPred; | |
8127 | } | |
8128 | ||
8129 | if (unew->info->fcn->specialCode != SPC_NONE) | |
8130 | { | |
8131 | if (old->info->fcn->specialCode != unew->info->fcn->specialCode) | |
8132 | { | |
8133 | if (optgenerror | |
8134 | (FLG_INCONDEFS, | |
8135 | message ("Function %q inconsistently %rdeclared using %s", | |
8136 | uentry_getName (unew), | |
8137 | uentry_isDeclared (old), | |
8138 | specCode_unparse (unew->info->fcn->specialCode)), | |
8139 | uentry_whereDeclared (unew))) | |
8140 | { | |
8141 | uentry_showWhereSpecified (old); | |
8142 | } | |
8143 | } | |
8144 | } | |
8145 | else | |
8146 | { | |
8147 | unew->info->fcn->specialCode = old->info->fcn->specialCode; | |
8148 | } | |
8149 | ||
8150 | /* | |
8151 | ** check parameters | |
8152 | */ | |
8153 | ||
8154 | if (!uentryList_sameObject (oldParams, newParams) | |
8155 | && (!uentryList_isMissingParams (oldParams))) | |
8156 | { | |
8157 | if (!uentryList_isMissingParams (newParams)) | |
8158 | { | |
8159 | int paramno = 0; | |
8160 | int nparams = uentryList_size (oldParams); | |
8161 | bool checknames = context_maybeSet (FLG_DECLPARAMMATCH); | |
8162 | ||
8163 | if (nparams != uentryList_size (newParams)) | |
8164 | { | |
8165 | nargsError (old, unew); | |
8166 | } | |
8167 | ||
8168 | if (uentryList_size (newParams) < nparams) | |
8169 | { | |
8170 | nparams = uentryList_size (newParams); | |
8171 | } | |
8172 | ||
8173 | while (paramno < nparams) | |
8174 | { | |
8175 | uentry oldCurrent = uentryList_getN (oldParams, paramno); | |
8176 | uentry newCurrent = uentryList_getN (newParams, paramno); | |
8177 | ctype oldCurrentType = uentry_getType (oldCurrent); | |
8178 | ctype newCurrentType = uentry_getType (newCurrent); | |
8179 | ||
8180 | llassert (uentry_isValid (oldCurrent) | |
8181 | && uentry_isValid (newCurrent)); | |
8182 | ||
8183 | if (!uentry_isElipsisMarker (oldCurrent) | |
8184 | && !uentry_isElipsisMarker (newCurrent)) | |
8185 | { | |
8186 | checkVarConformance (oldCurrent, newCurrent, | |
8187 | mustConform, completeConform); | |
8188 | } | |
8189 | ||
8190 | if (checknames) | |
8191 | { | |
8192 | if (uentry_hasName (oldCurrent) | |
8193 | && uentry_hasName (newCurrent)) | |
8194 | { | |
8195 | cstring oldname = uentry_getName (oldCurrent); | |
8196 | cstring pfx = context_getString (FLG_DECLPARAMPREFIX); | |
8197 | cstring oname; | |
8198 | cstring nname = uentry_getName (newCurrent); | |
8199 | cstring nnamefix; | |
8200 | ||
8201 | if (cstring_isDefined (pfx) | |
8202 | && cstring_equalPrefix (oldname, cstring_toCharsSafe (pfx))) | |
8203 | { | |
8204 | oname = cstring_suffix (oldname, cstring_length (pfx)); | |
8205 | } | |
8206 | else | |
8207 | { | |
8208 | oname = oldname; | |
8209 | /*@-branchstate@*/ } /*@=branchstate@*/ | |
8210 | ||
8211 | if (cstring_isDefined (pfx) | |
8212 | && cstring_equalPrefix (nname, cstring_toCharsSafe (pfx))) | |
8213 | { | |
8214 | nnamefix = cstring_suffix (nname, cstring_length (pfx)); | |
8215 | } | |
8216 | else | |
8217 | { | |
8218 | nnamefix = nname; | |
8219 | /*@-branchstate@*/ } /*@=branchstate@*/ | |
8220 | ||
8221 | if (!cstring_equal (oname, nnamefix)) | |
8222 | { | |
8223 | if (optgenerror | |
8224 | (FLG_DECLPARAMMATCH, | |
8225 | message ("Definition parameter name %s does not match " | |
8226 | "name of corresponding parameter in " | |
8227 | "declaration: %s", | |
8228 | nnamefix, oname), | |
8229 | uentry_whereLast (newCurrent))) | |
8230 | { | |
8231 | uentry_showWhereLastPlain (oldCurrent); | |
8232 | } | |
8233 | } | |
8234 | ||
8235 | cstring_free (oldname); | |
8236 | cstring_free (nname); | |
8237 | } | |
8238 | } | |
8239 | ||
8240 | if (!ctype_match (oldCurrentType, newCurrentType)) | |
8241 | { | |
8242 | paramTypeError (old, oldCurrent, oldCurrentType, | |
8243 | unew, newCurrent, newCurrentType, paramno); | |
8244 | } | |
8245 | else | |
8246 | { | |
8247 | if (ctype_isMissingParamsMarker (newCurrentType) | |
8248 | || ctype_isElips (newCurrentType) | |
8249 | || ctype_isMissingParamsMarker (oldCurrentType) | |
8250 | || ctype_isElips (oldCurrentType)) | |
8251 | { | |
8252 | ; | |
8253 | } | |
8254 | else | |
8255 | { | |
8256 | if (ctype_isConj (newCurrentType)) | |
8257 | { | |
8258 | if (ctype_isConj (oldCurrentType)) | |
8259 | { | |
8260 | if (!ctype_sameAltTypes (newCurrentType, oldCurrentType)) | |
8261 | { | |
8262 | if (optgenerror | |
8263 | (FLG_INCONDEFS, | |
8264 | message ("Parameter %q inconsistently %rdeclared with " | |
8265 | "alternate types %s " | |
8266 | "(types match, but alternates are not identical, " | |
8267 | "so checking may not be correct)", | |
8268 | uentry_getName (newCurrent), | |
8269 | uentry_isDeclared (oldCurrent), | |
8270 | ctype_unparse (newCurrentType)), | |
8271 | uentry_whereDeclared (unew))) | |
8272 | { | |
8273 | uentry_showWhereLastVal (oldCurrent, | |
8274 | ctype_unparse (oldCurrentType)); | |
8275 | } | |
8276 | } | |
8277 | } | |
8278 | else | |
8279 | { | |
8280 | if (optgenerror | |
8281 | (FLG_INCONDEFS, | |
8282 | message ("Parameter %q inconsistently %rdeclared with " | |
8283 | "alternate types %s", | |
8284 | uentry_getName (newCurrent), | |
8285 | uentry_isDeclared (oldCurrent), | |
8286 | ctype_unparse (newCurrentType)), | |
8287 | uentry_whereDeclared (unew))) | |
8288 | { | |
8289 | uentry_showWhereLastVal (oldCurrent, | |
8290 | ctype_unparse (oldCurrentType)); | |
8291 | ||
8292 | } | |
8293 | } | |
8294 | } | |
8295 | else | |
8296 | { | |
8297 | if (ctype_isConj (oldCurrentType)) | |
8298 | { | |
8299 | uentry_setType (newCurrent, oldCurrentType); | |
8300 | } | |
8301 | } | |
8302 | } | |
8303 | } | |
8304 | ||
8305 | paramno++; | |
8306 | /* | |
8307 | ** Forgot this! detected by lclint: | |
8308 | ** uentry.c:1257,15: Suspected infinite loop | |
8309 | */ | |
8310 | } | |
8311 | } | |
8312 | } | |
8313 | ||
8314 | if (!uentryList_isMissingParams (newParams)) | |
8315 | { | |
8316 | if (ctype_isConj (oldRetType)) | |
8317 | { | |
8318 | old->utype = ctype_makeFunction (oldRetType, | |
8319 | uentryList_copy (newParams)); | |
8320 | } | |
8321 | else | |
8322 | { | |
8323 | old->utype = unew->utype; | |
8324 | } | |
8325 | } | |
8326 | ||
8327 | checkGlobalsConformance (old, unew, mustConform, completeConform); | |
8328 | checkModifiesConformance (old, unew, mustConform, completeConform); | |
8329 | ||
28bf4b0b | 8330 | DPRINTF (("Before list: %s", |
8331 | uentry_unparseFull (old))); | |
8332 | ||
8333 | if (stateClauseList_isDefined (unew->info->fcn->specclauses)) | |
616915dd | 8334 | { |
28bf4b0b | 8335 | if (!stateClauseList_isDefined (old->info->fcn->specclauses)) |
616915dd | 8336 | { |
28bf4b0b | 8337 | /* |
616915dd | 8338 | if (optgenerror |
8339 | (FLG_INCONDEFS, | |
8340 | message ("Function %q redeclared using special clauses (can only " | |
8341 | "be used in first declaration)", | |
8342 | uentry_getName (unew)), | |
8343 | uentry_whereDeclared (unew))) | |
8344 | { | |
8345 | uentry_showWhereLast (old); | |
8346 | } | |
28bf4b0b | 8347 | */ |
8348 | ||
8349 | /*@i23 need checking @*/ | |
8350 | ||
8351 | old->info->fcn->specclauses = unew->info->fcn->specclauses; | |
616915dd | 8352 | } |
8353 | else | |
8354 | { | |
28bf4b0b | 8355 | /*@i43 should be able to append? @*/ |
8356 | ||
8357 | stateClauseList_checkEqual (old, unew); | |
8358 | stateClauseList_free (unew->info->fcn->specclauses); | |
8359 | unew->info->fcn->specclauses = stateClauseList_undefined; | |
8360 | /*@-branchstate@*/ | |
616915dd | 8361 | } |
28bf4b0b | 8362 | /*@=branchstate@*/ /*@i23 shouldn't need this@*/ |
616915dd | 8363 | } |
8364 | ||
28bf4b0b | 8365 | DPRINTF (("After state: %s", |
8366 | uentry_unparseFull (old))); | |
8367 | ||
616915dd | 8368 | if (fileloc_isUndefined (old->whereDeclared)) |
8369 | { | |
8370 | old->whereDeclared = fileloc_copy (unew->whereDeclared); | |
8371 | } | |
8372 | else if (fileloc_isUndefined (unew->whereDeclared)) | |
8373 | { | |
8374 | unew->whereDeclared = fileloc_copy (old->whereDeclared); | |
8375 | } | |
8376 | else | |
8377 | { | |
8378 | /* no change */ | |
8379 | } | |
8380 | } | |
8381 | ||
8382 | void | |
8383 | uentry_mergeConstantValue (uentry ue, /*@only@*/ multiVal m) | |
8384 | { | |
8385 | multiVal uval; | |
8386 | ||
8387 | llassert (uentry_isValid (ue)); | |
8388 | llassert (uentry_isEitherConstant (ue)); | |
8389 | ||
8390 | uval = ue->info->uconst->val; | |
8391 | ||
8392 | if (multiVal_isDefined (uval)) | |
8393 | { | |
8394 | if (multiVal_isDefined (m)) | |
8395 | { | |
8396 | if (!multiVal_equiv (uval, m)) | |
8397 | { | |
8398 | if (optgenerror | |
8399 | (FLG_INCONDEFS, | |
8400 | message ("%s %q defined with inconsistent value: %q", | |
8401 | ekind_capName (ue->ukind), | |
8402 | uentry_getName (ue), | |
8403 | multiVal_unparse (m)), | |
8404 | g_currentloc)) | |
8405 | { | |
8406 | uentry_showWhereLastExtra (ue, multiVal_unparse (uval)); | |
8407 | } | |
8408 | } | |
8409 | } | |
8410 | multiVal_free (m); | |
8411 | } | |
8412 | else | |
8413 | { | |
8414 | ue->info->uconst->val = m; | |
8415 | multiVal_free (uval); | |
8416 | } | |
8417 | } | |
8418 | ||
8419 | static | |
8420 | bool checkTypeConformance (/*@notnull@*/ uentry old, /*@notnull@*/ uentry unew, | |
8421 | bool mustConform) | |
8422 | { | |
8423 | bool typeError = FALSE; | |
8424 | ||
8425 | if (uentry_isStructTag (old) || uentry_isUnionTag (old)) | |
8426 | { | |
8427 | if (ctype_isSU (old->utype) && ctype_isSU (unew->utype)) | |
8428 | { | |
8429 | if (mustConform) | |
8430 | { | |
28bf4b0b | 8431 | DPRINTF (("Check struct conformance: %s / %s", |
8432 | uentry_unparseFull (old), | |
8433 | uentry_unparseFull (unew))); | |
616915dd | 8434 | checkStructConformance (old, unew); |
8435 | } | |
8436 | } | |
8437 | else | |
8438 | { | |
8439 | if (!(ctype_isBogus (old->utype) || ctype_isBogus (unew->utype))) | |
8440 | { | |
8441 | llbug (message ("struct tags: bad types: %t / %t", | |
8442 | old->utype, unew->utype)); | |
8443 | } | |
8444 | } | |
8445 | } | |
8446 | else if (uentry_isEnumTag (old)) | |
8447 | { | |
8448 | if (ctype_isEnum (old->utype) && ctype_isEnum (unew->utype)) | |
8449 | { | |
8450 | if (mustConform) checkEnumConformance (old, unew); | |
8451 | } | |
8452 | else | |
8453 | { | |
8454 | if (!(ctype_isBogus (old->utype) || ctype_isBogus (unew->utype))) | |
8455 | { | |
8456 | llbug (message ("enum! bad type: %s / %s", ctype_unparse (old->utype), | |
8457 | ctype_unparse (unew->utype))); | |
8458 | } | |
8459 | } | |
8460 | } | |
8461 | else if (!ctype_match (old->utype, unew->utype)) | |
8462 | { | |
28bf4b0b | 8463 | DPRINTF (("Type mismatch: %s / %s", |
8464 | ctype_unparse (old->utype), | |
8465 | ctype_unparse (unew->utype))); | |
8466 | ||
616915dd | 8467 | if (cstring_equal (uentry_rawName (old), context_getBoolName ())) |
8468 | { | |
8469 | ctype realt = ctype_realType (unew->utype); | |
8470 | ||
8471 | if (ctype_isRealInt (realt) || ctype_isChar (realt)) | |
8472 | { | |
8473 | unew->utype = ctype_bool; | |
8474 | } | |
8475 | else | |
8476 | { | |
8477 | if (mustConform) | |
8478 | { | |
8479 | typeError = optgenerror | |
8480 | (FLG_INCONDEFS, | |
8481 | message ("%q defined as %s", uentry_getName (old), | |
8482 | ctype_unparse (realt)), | |
8483 | uentry_whereDeclared (unew)); | |
8484 | } | |
8485 | } | |
8486 | } | |
8487 | else | |
8488 | { | |
8489 | if (mustConform) | |
8490 | { | |
8491 | ctype oldr = ctype_realType (old->utype); | |
8492 | ctype newr = ctype_realType (unew->utype); | |
8493 | ||
8494 | if (ctype_isStruct (oldr) && ctype_isStruct (newr)) | |
8495 | { | |
8496 | checkStructConformance (old, unew); | |
8497 | } | |
8498 | else if (ctype_isUnion (oldr) && ctype_isUnion (newr)) | |
8499 | { | |
8500 | checkStructConformance (old, unew); | |
8501 | } | |
8502 | else if (ctype_isEnum (oldr) && ctype_isEnum (newr)) | |
8503 | { | |
8504 | checkEnumConformance (old, unew); | |
8505 | } | |
8506 | else if (uentry_isConstant (old) | |
8507 | && (ctype_isAbstract (oldr) && ctype_isEnum (newr))) | |
8508 | { | |
8509 | /* okay...for now! (should check the type is reset later... */ | |
8510 | } | |
8511 | else | |
8512 | { | |
8513 | DPRINTF (("YABA!")); | |
8514 | if (optgenerror | |
8515 | (FLG_INCONDEFS, | |
8516 | message ("%s %q %rdeclared with inconsistent type: %t", | |
8517 | ekind_capName (unew->ukind), | |
8518 | uentry_getName (unew), | |
8519 | uentry_isDeclared (old), | |
8520 | unew->utype), | |
8521 | uentry_whereDeclared (unew))) | |
8522 | { | |
8523 | uentry_showWhereLast (old); | |
8524 | typeError = TRUE; | |
8525 | } | |
8526 | } | |
8527 | } | |
8528 | } | |
8529 | } | |
8530 | else | |
8531 | { | |
8532 | /* no error */ | |
8533 | } | |
8534 | ||
8535 | return typeError; | |
8536 | } | |
8537 | ||
8538 | static void | |
8539 | uentry_checkDatatypeConformance (/*@notnull@*/ uentry old, | |
8540 | /*@notnull@*/ uentry unew, | |
8541 | bool mustConform, bool completeConform) | |
8542 | { | |
8543 | if (ctype_isDefined (unew->info->datatype->type)) | |
8544 | { | |
8545 | /* | |
8546 | ** bool is hard coded here, since it is built into LCL. | |
8547 | ** For now, we're stuck with LCL's types. | |
8548 | */ | |
8549 | ||
8550 | if (ctype_isDirectBool (old->utype) && | |
8551 | cstring_equalLit (unew->uname, "bool")) | |
8552 | { | |
8553 | /* if (!context_getFlag (FLG_ABSTRACTBOOL)) | |
8554 | evs 2000-07-25: removed | |
8555 | */ | |
8556 | unew->utype = ctype_bool; | |
8557 | } | |
8558 | ||
8559 | if (ctype_isUnknown (old->info->datatype->type)) | |
8560 | { | |
8561 | old->info->datatype->type = unew->info->datatype->type; | |
8562 | } | |
8563 | else | |
8564 | { | |
8565 | DPRINTF (("Old: %s / New: %s", | |
8566 | uentry_unparseFull (old), | |
8567 | uentry_unparseFull (unew))); | |
8568 | DPRINTF (("Types: %s / %s", | |
8569 | ctype_unparse (old->info->datatype->type), | |
8570 | ctype_unparse (unew->info->datatype->type))); | |
8571 | ||
8572 | if (ctype_matchDef (old->info->datatype->type, | |
8573 | unew->info->datatype->type)) | |
8574 | { | |
8575 | ; | |
8576 | } | |
8577 | else | |
8578 | { | |
8579 | if (optgenerror | |
8580 | (FLG_INCONDEFS, | |
8581 | message | |
8582 | ("Type %q %s with inconsistent type: %t", | |
8583 | uentry_getName (unew), | |
8584 | uentry_reDefDecl (old, unew), | |
8585 | unew->info->datatype->type), | |
8586 | uentry_whereDeclared (unew))) | |
8587 | { | |
8588 | uentry_showWhereLastExtra | |
8589 | (old, cstring_copy (ctype_unparse (old->info->datatype->type))); | |
8590 | } | |
8591 | ||
8592 | old->info->datatype->type = unew->info->datatype->type; | |
8593 | } | |
8594 | } | |
8595 | } | |
8596 | ||
8597 | if (unew->info->datatype->abs != MAYBE) | |
8598 | { | |
8599 | if (ynm_isOff (old->info->datatype->abs) | |
8600 | && ynm_isOn (unew->info->datatype->abs)) | |
8601 | { | |
8602 | if (!ctype_isDirectBool (old->utype)) | |
8603 | { | |
8604 | if (optgenerror | |
8605 | (FLG_INCONDEFS, | |
8606 | message | |
8607 | ("Datatype %q inconsistently %rdeclared as abstract type", | |
8608 | uentry_getName (unew), | |
8609 | uentry_isDeclared (old)), | |
8610 | uentry_whereDeclared (unew))) | |
8611 | { | |
8612 | uentry_showWhereLastPlain (old); | |
8613 | } | |
8614 | } | |
8615 | } | |
8616 | else if (ynm_isOn (old->info->datatype->abs) | |
8617 | && ynm_isOff (unew->info->datatype->abs)) | |
8618 | { | |
8619 | if (!ctype_isDirectBool (old->utype)) | |
8620 | { | |
8621 | if (optgenerror | |
8622 | (FLG_INCONDEFS, | |
8623 | message | |
8624 | ("Datatype %q inconsistently %rdeclared as concrete type", | |
8625 | uentry_getName (unew), | |
8626 | uentry_isDeclared (old)), | |
8627 | uentry_whereDeclared (unew))) | |
8628 | { | |
8629 | uentry_showWhereLastPlain (old); | |
8630 | } | |
8631 | } | |
8632 | } | |
8633 | else | |
8634 | { | |
8635 | ; | |
8636 | } | |
8637 | } | |
8638 | else | |
8639 | { | |
8640 | if (ynm_isOn (old->info->datatype->abs)) | |
8641 | { | |
8642 | old->sref = unew->sref; | |
8643 | unew->info->datatype->mut = old->info->datatype->mut; | |
8644 | ||
8645 | if (completeConform | |
8646 | && uentry_isReallySpecified (old)) | |
8647 | { | |
8648 | if (optgenerror | |
8649 | (FLG_NEEDSPEC, | |
8650 | message | |
8651 | ("Datatype %q specified as abstract, " | |
8652 | "but abstract annotation not used in declaration", | |
8653 | uentry_getName (unew)), | |
8654 | uentry_whereDeclared (unew))) | |
8655 | { | |
8656 | uentry_showWhereLastPlain (old); | |
8657 | } | |
8658 | } | |
8659 | } | |
8660 | } | |
8661 | ||
8662 | unew->info->datatype->abs = old->info->datatype->abs; | |
8663 | ||
8664 | if (ynm_isMaybe (unew->info->datatype->mut)) | |
8665 | { | |
8666 | if (completeConform && ynm_isOff (old->info->datatype->mut) | |
8667 | && uentry_isReallySpecified (old)) | |
8668 | { | |
8669 | if (optgenerror | |
8670 | (FLG_NEEDSPEC, | |
8671 | message | |
8672 | ("Datatype %q specified as immutable, " | |
8673 | "but immutable annotation not used in declaration", | |
8674 | uentry_getName (unew)), | |
8675 | uentry_whereDeclared (unew))) | |
8676 | { | |
8677 | uentry_showWhereLastPlain (old); | |
8678 | } | |
8679 | } | |
8680 | ||
8681 | unew->info->datatype->mut = old->info->datatype->mut; | |
8682 | } | |
8683 | else if (ynm_isMaybe (old->info->datatype->mut)) | |
8684 | { | |
8685 | old->info->datatype->mut = unew->info->datatype->mut; | |
8686 | } | |
8687 | else | |
8688 | { | |
8689 | if (ynm_isOn (old->info->datatype->abs)) | |
8690 | { | |
8691 | if (ynm_isOn (old->info->datatype->mut) && ynm_isOff (unew->info->datatype->mut)) | |
8692 | { | |
8693 | if (optgenerror | |
8694 | (FLG_INCONDEFS, | |
8695 | message ("Datatype %q inconsistently %rdeclared as immutable", | |
8696 | uentry_getName (unew), | |
8697 | uentry_isDeclared (old)), | |
8698 | uentry_whereDeclared (unew))) | |
8699 | { | |
8700 | uentry_showWhereLastPlain (old); | |
8701 | } | |
8702 | } | |
8703 | else | |
8704 | { | |
8705 | if (ynm_isOff (old->info->datatype->mut) | |
8706 | && ynm_isOn (unew->info->datatype->mut)) | |
8707 | { | |
8708 | if (optgenerror | |
8709 | (FLG_INCONDEFS, | |
8710 | message ("Datatype %q inconsistently %rdeclared as mutable", | |
8711 | uentry_getName (unew), | |
8712 | uentry_isDeclared (old)), | |
8713 | uentry_whereDeclared (unew))) | |
8714 | { | |
8715 | uentry_showWhereLastPlain (old); | |
8716 | } | |
8717 | } | |
8718 | } | |
8719 | } | |
8720 | old->info->datatype->mut = unew->info->datatype->mut; | |
8721 | } | |
8722 | ||
8723 | uentry_checkStateConformance (old, unew, mustConform, completeConform); | |
8724 | } | |
8725 | ||
8726 | static void | |
8727 | uentry_checkConstantConformance (/*@notnull@*/ uentry old, | |
8728 | /*@notnull@*/ uentry unew, | |
8729 | bool mustConform, | |
8730 | /*@unused@*/ bool completeConform) | |
8731 | { | |
8732 | multiVal oldVal = old->info->uconst->val; | |
8733 | multiVal newVal = unew->info->uconst->val; | |
8734 | ||
8735 | if (multiVal_isDefined (oldVal)) | |
8736 | { | |
8737 | if (multiVal_isDefined (newVal)) | |
8738 | { | |
8739 | if (!multiVal_equiv (oldVal, newVal)) | |
8740 | { | |
8741 | if (mustConform | |
8742 | && optgenerror | |
8743 | (FLG_INCONDEFS, | |
8744 | message ("%s %q %rdeclared with inconsistent value: %q", | |
8745 | ekind_capName (unew->ukind), | |
8746 | uentry_getName (unew), | |
8747 | uentry_isDeclared (old), | |
8748 | multiVal_unparse (newVal)), | |
8749 | uentry_whereDeclared (unew))) | |
8750 | { | |
8751 | uentry_showWhereLastExtra (old, multiVal_unparse (oldVal)); | |
8752 | } | |
8753 | } | |
8754 | ||
8755 | unew->info->uconst->val = multiVal_copy (oldVal); | |
8756 | multiVal_free (newVal); | |
8757 | } | |
8758 | else | |
8759 | { | |
8760 | ; | |
8761 | } | |
8762 | } | |
8763 | else | |
8764 | { | |
8765 | old->info->uconst->val = multiVal_copy (newVal); | |
8766 | } | |
8767 | } | |
8768 | ||
8769 | static void | |
8770 | uentry_checkConformance (/*@unique@*/ /*@notnull@*/ uentry old, | |
8771 | /*@notnull@*/ uentry unew, bool mustConform, | |
8772 | bool completeConform) | |
8773 | { | |
8774 | bool typeError = FALSE; | |
8775 | bool fcnConformance = FALSE; | |
8776 | ||
8777 | if (!ekind_equal (unew->ukind, old->ukind)) | |
8778 | { | |
8779 | /* | |
8780 | ** okay, only if one is a function and the other is | |
8781 | ** a variable of type function. | |
8782 | */ | |
8783 | ||
8784 | if (unew->ukind == KENUMCONST | |
8785 | && old->ukind == KCONST) | |
8786 | { | |
8787 | old->ukind = KENUMCONST; | |
8788 | goto nokinderror; | |
8789 | } | |
8790 | ||
8791 | if (unew->ukind == KFCN | |
8792 | && old->ukind == KCONST | |
8793 | && ctype_isUnknown (old->utype)) | |
8794 | { | |
8795 | /* | |
8796 | ** When a function is defined with an unparam macro | |
8797 | */ | |
8798 | ||
8799 | uentry_copyInto (old, unew); | |
8800 | return; | |
8801 | } | |
8802 | ||
8803 | if (uentry_isExpandedMacro (old) | |
8804 | && uentry_isEitherConstant (unew)) | |
8805 | { | |
8806 | uentry_copyInto (old, unew); | |
8807 | return; | |
8808 | } | |
8809 | ||
8810 | if (uentry_isEndIter (unew)) | |
8811 | { | |
8812 | if (ctype_isUnknown (old->utype)) | |
8813 | { | |
8814 | if (!uentry_isSpecified (old) | |
8815 | && uentry_isCodeDefined (unew)) | |
8816 | { | |
8817 | if (!fileloc_withinLines (uentry_whereDefined (old), | |
8818 | uentry_whereDeclared (unew), 2)) | |
8819 | { /* bogus! will give errors if there is too much whitespace */ | |
8820 | voptgenerror | |
8821 | (FLG_SYNTAX, | |
8822 | message | |
8823 | ("Iterator finalized name %q does not match name in " | |
8824 | "previous iter declaration (should be end_%q). This iter " | |
8825 | "is declared at %q", | |
8826 | uentry_getName (unew), | |
8827 | uentry_getName (old), | |
8828 | fileloc_unparse (uentry_whereDefined (old))), | |
8829 | uentry_whereDeclared (old)); | |
8830 | } | |
8831 | } | |
8832 | ||
8833 | uentry_copyInto (old, unew); | |
8834 | return; | |
8835 | } | |
8836 | else | |
8837 | { | |
8838 | KindConformanceError (old, unew, mustConform); | |
8839 | } | |
8840 | } | |
8841 | ||
8842 | if (uentry_isFunction (unew)) | |
8843 | { | |
8844 | if (uentry_isVariable (old)) | |
8845 | { | |
8846 | if (!ctype_isUnknown (old->utype)) | |
8847 | { | |
8848 | if (ctype_isFunction (old->utype)) | |
8849 | { | |
8850 | uentry_makeVarFunction (old); | |
8851 | checkFunctionConformance (old, unew, mustConform, | |
8852 | completeConform); | |
8853 | fcnConformance = TRUE; | |
8854 | } | |
8855 | else | |
8856 | { | |
8857 | KindConformanceError (old, unew, mustConform); | |
8858 | } | |
8859 | } | |
8860 | else | |
8861 | { | |
8862 | if (uentry_isExpandedMacro (old)) | |
8863 | { | |
8864 | if (fileloc_isUndefined (unew->whereDefined)) | |
8865 | { | |
8866 | unew->whereDefined = fileloc_update (unew->whereDefined, | |
8867 | old->whereDefined); | |
8868 | } | |
8869 | ||
8870 | uentry_copyInto (old, unew); | |
8871 | old->used = unew->used = TRUE; | |
8872 | return; | |
8873 | } | |
8874 | else | |
8875 | { | |
8876 | /* undeclared identifier */ | |
8877 | old->utype = unew->utype; | |
8878 | uentry_makeVarFunction (old); | |
8879 | checkFunctionConformance (old, unew, FALSE, FALSE); | |
8880 | fcnConformance = TRUE; | |
8881 | } | |
8882 | } | |
8883 | } | |
8884 | else | |
8885 | { | |
8886 | KindConformanceError (old, unew, mustConform); | |
8887 | } | |
8888 | } | |
8889 | else if (uentry_isFunction (old) && uentry_isVariable (unew)) | |
8890 | { | |
8891 | if (!ctype_isUnknown (unew->utype)) | |
8892 | { | |
8893 | if (ctype_isFunction (unew->utype)) | |
8894 | { | |
8895 | uentry_makeVarFunction (unew); | |
8896 | checkFunctionConformance (old, unew, mustConform, completeConform); | |
8897 | fcnConformance = TRUE; | |
8898 | } | |
8899 | else | |
8900 | { | |
8901 | KindConformanceError (old, unew, mustConform); | |
8902 | } | |
8903 | } | |
8904 | else | |
8905 | { | |
8906 | KindConformanceError (old, unew, mustConform); | |
8907 | } | |
8908 | } | |
8909 | else | |
8910 | { | |
8911 | KindConformanceError (old, unew, mustConform); | |
8912 | } | |
8913 | } | |
8914 | else | |
8915 | { | |
8916 | /* | |
8917 | ** check parameter lists for functions | |
8918 | ** (before type errors, to get better messages | |
8919 | */ | |
8920 | ||
8921 | if (uentry_isFunction (old)) | |
8922 | { | |
8923 | checkFunctionConformance (old, unew, mustConform, completeConform); | |
8924 | fcnConformance = TRUE; | |
8925 | } | |
8926 | else | |
8927 | { | |
8928 | if (!ctype_isUndefined (old->utype)) | |
8929 | { | |
8930 | typeError = checkTypeConformance (old, unew, mustConform); | |
8931 | } | |
8932 | } | |
8933 | } | |
8934 | ||
8935 | nokinderror: | |
8936 | ||
8937 | if (uentry_isEitherConstant (old) && uentry_isEitherConstant (unew)) | |
8938 | { | |
8939 | uentry_checkConstantConformance (old, unew, mustConform, completeConform); | |
8940 | } | |
8941 | ||
8942 | if (uentry_isDatatype (old) && uentry_isDatatype (unew)) | |
8943 | { | |
8944 | DPRINTF (("Check datatype: %s / %s", | |
8945 | uentry_unparseFull (old), | |
8946 | uentry_unparseFull (unew))); | |
8947 | ||
8948 | uentry_checkDatatypeConformance (old, unew, mustConform, completeConform); | |
8949 | } | |
8950 | ||
8951 | if (uentry_isVariable (old) && uentry_isVariable (unew)) | |
8952 | { | |
8953 | if (!typeError && | |
8954 | !ctype_matchDef (old->utype, unew->utype)) | |
8955 | { | |
8956 | if (optgenerror | |
8957 | (FLG_INCONDEFS, | |
8958 | message | |
8959 | ("Variable %q %s with inconsistent type (arrays and pointers are " | |
8960 | "not identical in variable declarations): %t", | |
8961 | uentry_getName (unew), | |
8962 | uentry_reDefDecl (old, unew), | |
8963 | unew->utype), | |
8964 | uentry_whereDeclared (unew))) | |
8965 | { | |
8966 | uentry_showWhereLast (old); | |
8967 | ||
8968 | /* | |
8969 | ** Avoid repeated errors. | |
8970 | */ | |
8971 | ||
8972 | if (uentry_isCodeDefined (old) && uentry_isCodeDefined (unew)) | |
8973 | { | |
8974 | old->whereDefined = fileloc_update (old->whereDefined, | |
8975 | fileloc_undefined); | |
8976 | } | |
8977 | ||
8978 | typeError = TRUE; | |
8979 | } | |
8980 | } | |
8981 | ||
8982 | checkVarConformance (old, unew, mustConform, completeConform); | |
8983 | } | |
8984 | ||
8985 | if (fcnConformance) | |
8986 | { | |
8987 | /* old->utype = unew->utype; */ | |
8988 | } | |
8989 | else | |
8990 | { | |
8991 | if (ctype_isConj (old->utype)) | |
8992 | { | |
8993 | if (ctype_isConj (unew->utype)) | |
8994 | { | |
8995 | if (!ctype_sameAltTypes (old->utype, unew->utype)) | |
8996 | { | |
8997 | if (optgenerror | |
8998 | (FLG_INCONDEFS, | |
8999 | message ("%s %q inconsistently %rdeclared with " | |
9000 | "alternate types %s " | |
9001 | "(types match, but alternates are not identical, " | |
9002 | "so checking may not be correct)", | |
9003 | ekind_capName (uentry_getKind (old)), | |
9004 | uentry_getName (unew), | |
9005 | uentry_isDeclared (old), | |
9006 | ctype_unparse (unew->utype)), | |
9007 | uentry_whereDeclared (unew))) | |
9008 | { | |
9009 | uentry_showWhereLastVal (old, ctype_unparse (old->utype)); | |
9010 | } | |
9011 | else | |
9012 | { | |
9013 | old->utype = unew->utype; | |
9014 | } | |
9015 | } | |
9016 | } | |
9017 | } | |
9018 | else | |
9019 | { | |
9020 | if (ctype_isUnknown (old->utype)) | |
9021 | { | |
9022 | old->utype = unew->utype; | |
9023 | } | |
9024 | } | |
9025 | } | |
9026 | ||
9027 | if (unew->ukind == old->ukind) | |
9028 | { | |
9029 | sfree (unew->info); | |
9030 | unew->info = uinfo_copy (old->info, old->ukind); | |
9031 | } | |
9032 | ||
9033 | sRef_storeState (old->sref); | |
9034 | sRef_storeState (unew->sref); | |
9035 | } | |
9036 | ||
9037 | /* | |
9038 | ** modifies spec to reflect def, reports any inconsistencies | |
9039 | */ | |
9040 | ||
9041 | void | |
9042 | uentry_mergeEntries (uentry spec, /*@only@*/ uentry def) | |
9043 | { | |
9044 | llassert (uentry_isValid (spec)); | |
9045 | llassert (uentry_isValid (def)); | |
9046 | llassert (cstring_equal (spec->uname, def->uname)); | |
28bf4b0b | 9047 | |
9048 | DPRINTF (("Merge entries: %s / %s", | |
9049 | uentry_unparseFull (spec), | |
9050 | uentry_unparseFull (def))); | |
616915dd | 9051 | |
9052 | uentry_checkConformance (spec, def, TRUE, | |
9053 | context_getFlag (FLG_NEEDSPEC)); | |
9054 | ||
28bf4b0b | 9055 | DPRINTF (("Merge entries after conform: %s / %s", |
9056 | uentry_unparseFull (spec), | |
9057 | uentry_unparseFull (def))); | |
9058 | ||
616915dd | 9059 | /* was: !(fileloc_isImport (uentry_whereSpecified (spec)))); */ |
9060 | ||
9061 | /* | |
9062 | ** okay, declarations conform. Propagate extra information. | |
9063 | */ | |
9064 | ||
9065 | uentry_setDefined (spec, uentry_whereDefined (def)); | |
9066 | uentry_setDeclared (spec, uentry_whereDeclared (def)); | |
9067 | ||
9068 | if (uentry_isStatic (def)) | |
9069 | { | |
9070 | if (optgenerror | |
9071 | (FLG_INCONDEFS, | |
9072 | message ("%s %q specified, but declared as static", | |
9073 | ekind_capName (def->ukind), | |
9074 | uentry_getName (def)), | |
9075 | uentry_whereDeclared (def))) | |
9076 | { | |
9077 | uentry_showWhereSpecified (spec); | |
9078 | } | |
9079 | } | |
9080 | else | |
9081 | { | |
9082 | spec->storageclass = def->storageclass; | |
9083 | } | |
9084 | ||
9085 | sRef_storeState (spec->sref); | |
9086 | ||
9087 | spec->used = def->used || spec->used; | |
9088 | spec->hasNameError |= def->hasNameError; | |
9089 | ||
9090 | uentry_free (def); | |
9091 | ||
9092 | if (!spec->hasNameError) | |
9093 | { | |
9094 | uentry_checkName (spec); | |
9095 | } | |
9096 | else | |
9097 | { | |
9098 | ; | |
9099 | } | |
9100 | } | |
9101 | ||
9102 | /* | |
9103 | ** Can't generate function redeclaration errors when the | |
9104 | ** entries are merged, since we don't yet know if its the | |
9105 | ** definition of the function. | |
9106 | */ | |
9107 | ||
9108 | void | |
9109 | uentry_clearDecl (void) | |
9110 | { | |
9111 | posRedeclared = uentry_undefined; | |
9112 | fileloc_free (posLoc); | |
9113 | posLoc = fileloc_undefined; | |
9114 | } | |
9115 | ||
9116 | void | |
9117 | uentry_checkDecl (void) | |
9118 | { | |
9119 | if (uentry_isValid (posRedeclared)) | |
9120 | { | |
9121 | llassert (fileloc_isDefined (posLoc)); | |
9122 | ||
9123 | if (uentry_isCodeDefined (posRedeclared)) | |
9124 | { | |
9125 | if (optgenerror (FLG_REDECL, | |
9126 | message ("%s %q declared after definition", | |
9127 | ekind_capName (posRedeclared->ukind), | |
9128 | uentry_getName (posRedeclared)), | |
9129 | posLoc)) | |
9130 | { | |
9131 | llgenindentmsg (message ("Definition of %q", | |
9132 | uentry_getName (posRedeclared)), | |
9133 | posRedeclared->whereDeclared); | |
9134 | } | |
9135 | } | |
9136 | else | |
9137 | { | |
9138 | if (optgenerror (FLG_REDECL, | |
9139 | message ("%s %q declared more than once", | |
9140 | ekind_capName (posRedeclared->ukind), | |
9141 | uentry_getName (posRedeclared)), | |
9142 | posLoc)) | |
9143 | { | |
9144 | llgenindentmsg (message ("Previous declaration of %q", | |
9145 | uentry_getName (posRedeclared)), | |
9146 | posRedeclared->whereDeclared); | |
9147 | } | |
9148 | } | |
9149 | } | |
9150 | ||
9151 | fileloc_free (posLoc); | |
9152 | posLoc = fileloc_undefined; | |
9153 | posRedeclared = uentry_undefined; | |
9154 | } | |
9155 | ||
9156 | /* | |
9157 | ** Redefinition of old as unew. | |
9158 | ** modifies old to reflect unew, reports any inconsistencies | |
9159 | */ | |
9160 | ||
9161 | void | |
9162 | uentry_mergeDefinition (uentry old, /*@only@*/ uentry unew) | |
9163 | { | |
9164 | fileloc olddef = uentry_whereDeclared (old); | |
9165 | fileloc unewdef = uentry_whereDeclared (unew); | |
9166 | bool mustConform; | |
9167 | bool wasForward; | |
28bf4b0b | 9168 | |
9169 | DPRINTF (("uentry merge: %s / %s", | |
9170 | uentry_unparseFull (old), | |
9171 | uentry_unparseFull (unew))); | |
616915dd | 9172 | |
9173 | if (uentry_isExtern (unew)) | |
9174 | { | |
9175 | uentry_setUsed (old, unewdef); | |
9176 | } | |
9177 | ||
9178 | wasForward = | |
9179 | fileloc_isUndefined (olddef) | |
9180 | && fileloc_isDefined (uentry_whereDefined (old)) | |
9181 | && !uentry_isExpandedMacro (old); | |
9182 | ||
9183 | if (!context_getFlag (FLG_INCONDEFSLIB) | |
9184 | && (fileloc_isLib (olddef) || fileloc_isImport (olddef))) | |
9185 | { | |
9186 | mustConform = FALSE; | |
9187 | } | |
9188 | else | |
9189 | { | |
9190 | mustConform = TRUE; | |
9191 | } | |
9192 | ||
9193 | llassert (uentry_isValid (old)); | |
9194 | llassert (uentry_isValid (unew)); | |
9195 | llassert (cstring_equal (old->uname, unew->uname)); | |
9196 | ||
9197 | /* | |
9198 | ** should check old one was extern! | |
9199 | */ | |
9200 | ||
9201 | if (uentry_isStatic (old)) | |
9202 | { | |
9203 | if (!(uentry_isStatic (unew))) | |
9204 | { | |
9205 | if (optgenerror | |
9206 | (FLG_SHADOW, | |
9207 | message ("%s %q shadows static declaration", | |
9208 | ekind_capName (unew->ukind), | |
9209 | uentry_getName (unew)), | |
9210 | unewdef)) | |
9211 | { | |
9212 | uentry_showWhereLast (old); | |
9213 | } | |
9214 | } | |
9215 | else | |
9216 | { | |
9217 | uentry_setDeclDef (old, unewdef); | |
9218 | } | |
9219 | } | |
9220 | else if (uentry_isStatic (unew)) | |
9221 | { | |
9222 | uentry_setDeclDef (old, unewdef); | |
9223 | } | |
9224 | else if (uentry_isExtern (old)) | |
9225 | { | |
9226 | uentry_setDeclared (old, unewdef); | |
9227 | } | |
9228 | else | |
9229 | { | |
9230 | if (!uentry_isExtern (unew) && !uentry_isForward (old) | |
9231 | && !fileloc_equal (olddef, unewdef) | |
9232 | && !fileloc_isUndefined (olddef) | |
9233 | && !fileloc_isUndefined (unewdef) | |
9234 | && !fileloc_isBuiltin (olddef) | |
9235 | && !fileloc_isBuiltin (unewdef) | |
9236 | && !uentry_isYield (old) | |
9237 | && !(fileloc_isLib (olddef) || fileloc_isImport (olddef))) | |
9238 | { | |
9239 | if (uentry_isVariable (old) || uentry_isVariable (unew)) | |
9240 | { | |
9241 | ; /* will report redeclaration error later */ | |
9242 | } | |
9243 | else | |
9244 | { | |
9245 | if (fileloc_isDefined (uentry_whereDefined (old))) | |
9246 | { | |
9247 | if (optgenerror | |
9248 | (FLG_REDEF, | |
9249 | message ("%s %q defined more than once", | |
9250 | ekind_capName (unew->ukind), | |
9251 | uentry_getName (unew)), | |
9252 | uentry_whereLast (unew))) | |
9253 | { | |
9254 | llgenindentmsg | |
9255 | (message ("Previous definition of %q", | |
9256 | uentry_getName (old)), | |
9257 | uentry_whereLast (old)); | |
9258 | } | |
9259 | /* | |
9260 | if (uentry_isDatatype (old) || uentry_isAnyTag (old)) | |
9261 | { | |
9262 | uentry_copyInto (old, unew); | |
9263 | old->sref = sRef_saveCopy (old->sref); | |
9264 | } | |
9265 | */ | |
9266 | } | |
9267 | } | |
9268 | } | |
9269 | else | |
9270 | { | |
9271 | if (fileloc_isLib (olddef) | |
9272 | || fileloc_isUndefined (olddef) | |
9273 | || fileloc_isImport (olddef)) | |
9274 | { | |
9275 | if (uentry_isExtern (unew)) | |
9276 | { | |
9277 | if (uentry_isExtern (old) | |
9278 | || (fileloc_isDefined (uentry_whereDeclared (old)) | |
9279 | && (!fileloc_equal (uentry_whereDeclared (old), | |
9280 | uentry_whereDefined (old))))) | |
9281 | { | |
9282 | if (optgenerror | |
9283 | (FLG_REDECL, | |
9284 | message ("%s %q declared more than once", | |
9285 | ekind_capName (unew->ukind), | |
9286 | uentry_getName (unew)), | |
9287 | unew->whereDeclared)) | |
9288 | { | |
9289 | llgenindentmsg | |
9290 | (message ("Previous declaration of %q", | |
9291 | uentry_getName (old)), | |
9292 | old->whereDeclared); | |
9293 | } | |
9294 | } | |
9295 | ||
9296 | uentry_setExtern (old); | |
9297 | } | |
9298 | else | |
9299 | { | |
9300 | uentry_setDefined (old, unewdef); | |
9301 | } | |
9302 | } | |
9303 | } | |
9304 | } | |
9305 | ||
9306 | uentry_checkConformance (old, unew, mustConform, FALSE); | |
9307 | ||
9308 | old->used = old->used || unew->used; | |
9309 | old->uses = filelocList_append (old->uses, unew->uses); | |
9310 | unew->uses = filelocList_undefined; | |
9311 | ||
9312 | sRef_storeState (old->sref); | |
9313 | sRef_storeState (unew->sref); | |
9314 | ||
9315 | if (wasForward) | |
9316 | { | |
9317 | old->whereDefined = fileloc_update (old->whereDefined, | |
9318 | fileloc_undefined); | |
9319 | } | |
9320 | ||
9321 | /* | |
9322 | ** No redeclaration errors for functions here, since we | |
9323 | ** don't know if this is the definition of the function. | |
9324 | */ | |
9325 | ||
9326 | if (fileloc_isUser (old->whereDeclared) | |
9327 | && fileloc_isUser (unew->whereDeclared) | |
9328 | && !fileloc_equal (old->whereDeclared, unew->whereDeclared) | |
9329 | && !fileloc_isDefined (unew->whereDefined)) | |
9330 | { | |
9331 | if (uentry_isFunction (old)) | |
9332 | { | |
9333 | /*@-temptrans@*/ posRedeclared = old; /*@=temptrans@*/ | |
9334 | posLoc = fileloc_update (posLoc, unew->whereDeclared); | |
9335 | } | |
9336 | else | |
9337 | { | |
9338 | if (optgenerror (FLG_REDECL, | |
9339 | message ("%s %q declared more than once", | |
9340 | ekind_capName (unew->ukind), | |
9341 | uentry_getName (unew)), | |
9342 | unew->whereDeclared)) | |
9343 | { | |
9344 | llgenindentmsg (message ("Previous declaration of %q", | |
9345 | uentry_getName (old)), | |
9346 | old->whereDeclared); | |
9347 | } | |
9348 | } | |
9349 | } | |
9350 | ||
9351 | if (fileloc_isUndefined (old->whereDefined)) | |
9352 | { | |
9353 | old->whereDefined = fileloc_update (old->whereDefined, unew->whereDefined); | |
9354 | } | |
9355 | else | |
9356 | { | |
9357 | if (!context_processingMacros () | |
9358 | && fileloc_isUser (old->whereDefined) | |
9359 | && fileloc_isUser (unew->whereDefined) | |
9360 | && !fileloc_equal (old->whereDefined, unew->whereDefined)) | |
9361 | { | |
9362 | if (uentry_isVariable (unew) || uentry_isFunction (unew)) | |
9363 | { | |
9364 | if (uentry_isVariable (unew) | |
9365 | && uentry_isExtern (unew)) | |
9366 | { | |
9367 | if (optgenerror (FLG_REDECL, | |
9368 | message ("%s %q declared after definition", | |
9369 | ekind_capName (unew->ukind), | |
9370 | uentry_getName (unew)), | |
9371 | unew->whereDeclared)) | |
9372 | { | |
9373 | llgenindentmsg (message ("Definition of %q", | |
9374 | uentry_getName (old)), | |
9375 | old->whereDefined); | |
9376 | } | |
9377 | } | |
9378 | else | |
9379 | { | |
9380 | if (optgenerror (FLG_REDEF, | |
9381 | message ("%s %q redefined", | |
9382 | ekind_capName (unew->ukind), | |
9383 | uentry_getName (unew)), | |
9384 | unew->whereDefined)) | |
9385 | { | |
9386 | llgenindentmsg (message ("Previous definition of %q", | |
9387 | uentry_getName (old)), | |
9388 | old->whereDefined); | |
9389 | } | |
9390 | } | |
9391 | } | |
9392 | } | |
9393 | } | |
9394 | ||
9395 | if (uentry_isExternal (unew)) | |
9396 | { | |
9397 | old->whereDefined = fileloc_createExternal (); | |
9398 | } | |
9399 | ||
9400 | if (unew->hasNameError) | |
9401 | { | |
9402 | old->hasNameError = TRUE; | |
9403 | } | |
9404 | ||
9405 | uentry_free (unew); | |
9406 | ||
9407 | if (!old->hasNameError) | |
9408 | { | |
9409 | uentry_checkName (old); | |
9410 | } | |
9411 | ||
9412 | llassert (!ctype_isUndefined (old->utype)); | |
9413 | } | |
9414 | ||
9415 | void | |
9416 | uentry_copyState (uentry res, uentry other) | |
9417 | { | |
9418 | llassert (uentry_isValid (res)); | |
9419 | llassert (uentry_isValid (other)); | |
9420 | ||
9421 | res->used = other->used; | |
9422 | ||
9423 | res->info->var->kind = other->info->var->kind; | |
9424 | res->info->var->defstate = other->info->var->defstate; | |
9425 | res->info->var->nullstate = other->info->var->nullstate; | |
9426 | res->info->var->checked = other->info->var->checked; | |
9427 | ||
9428 | sRef_copyState (res->sref, other->sref); | |
9429 | } | |
9430 | ||
9431 | bool | |
9432 | uentry_sameKind (uentry u1, uentry u2) | |
9433 | { | |
9434 | if (uentry_isValid (u1) && uentry_isValid (u2)) | |
9435 | { | |
9436 | if (uentry_isVar (u1) && uentry_isVar (u2)) | |
9437 | { | |
9438 | ctype c1 = u1->utype; | |
9439 | ctype c2 = u2->utype; | |
9440 | ||
9441 | if (ctype_isUnknown (c1) || ctype_isUnknown (c2)) return FALSE; | |
9442 | ||
9443 | /* | |
9444 | ** both functions, or both not functions | |
9445 | */ | |
9446 | ||
9447 | return (bool_equal (ctype_isFunction (c1), ctype_isFunction (c2))); | |
9448 | } | |
9449 | else | |
9450 | { | |
9451 | return ((u1->ukind == u2->ukind)); | |
9452 | } | |
9453 | } | |
9454 | ||
9455 | return FALSE; | |
9456 | } | |
9457 | ||
9458 | static void uentry_copyInto (/*@unique@*/ uentry unew, uentry old) | |
9459 | { | |
9460 | llassert (uentry_isValid (unew)); | |
9461 | llassert (uentry_isValid (old)); | |
9462 | ||
9463 | unew->ukind = old->ukind; | |
9464 | unew->uname = cstring_copy (old->uname); | |
9465 | unew->utype = old->utype; | |
9466 | ||
9467 | unew->whereSpecified = fileloc_copy (old->whereSpecified); | |
9468 | unew->whereDefined = fileloc_copy (old->whereDefined); | |
9469 | unew->whereDeclared = fileloc_copy (old->whereDeclared); | |
9470 | ||
9471 | unew->sref = sRef_saveCopy (old->sref); /* Memory leak! */ | |
9472 | unew->used = old->used; | |
9473 | unew->lset = FALSE; | |
9474 | unew->isPrivate = old->isPrivate; | |
9475 | unew->hasNameError = old->hasNameError; | |
9476 | unew->uses = filelocList_undefined; | |
9477 | ||
9478 | unew->storageclass = old->storageclass; | |
9479 | unew->info = uinfo_copy (old->info, old->ukind); | |
9480 | } | |
9481 | ||
9482 | ||
9483 | uentry | |
9484 | uentry_copy (uentry e) | |
9485 | { | |
9486 | if (uentry_isValid (e)) | |
9487 | { | |
9488 | uentry enew = uentry_alloc (); | |
9489 | DPRINTF (("copy: %s", uentry_unparseFull (e))); | |
9490 | uentry_copyInto (enew, e); | |
9491 | DPRINTF (("Here we are...")); | |
9492 | DPRINTF (("original: %s", uentry_unparseFull (e))); | |
9493 | DPRINTF (("copy: %s", uentry_unparse (enew))); | |
9494 | DPRINTF (("copy: %s", uentry_unparseFull (enew))); | |
9495 | return enew; | |
9496 | } | |
9497 | else | |
9498 | { | |
9499 | return uentry_undefined; | |
9500 | } | |
9501 | } | |
9502 | ||
9503 | void | |
9504 | uentry_setState (uentry res, uentry other) | |
9505 | { | |
9506 | llassert (uentry_isValid (res)); | |
9507 | llassert (uentry_isValid (other)); | |
9508 | ||
9509 | llassert (res->ukind == other->ukind); | |
9510 | llassert (res->ukind == KVAR); | |
9511 | ||
9512 | res->sref = sRef_saveCopy (other->sref); | |
9513 | res->used = other->used; | |
9514 | filelocList_free (res->uses); | |
9515 | res->uses = other->uses; | |
9516 | other->uses = filelocList_undefined; | |
9517 | res->lset = other->lset; | |
9518 | } | |
9519 | ||
9520 | void | |
9521 | uentry_mergeUses (uentry res, uentry other) | |
9522 | { | |
9523 | llassert (uentry_isValid (res)); | |
9524 | llassert (uentry_isValid (other)); | |
9525 | ||
9526 | res->used = other->used || res->used; | |
9527 | res->lset = other->lset || res->lset; | |
9528 | res->uses = filelocList_append (res->uses, other->uses); | |
9529 | other->uses = filelocList_undefined; | |
9530 | } | |
9531 | ||
9532 | ||
9533 | /* | |
9534 | ** This is a really ugly routine. | |
9535 | ** | |
9536 | ** gack...fix this one day. | |
9537 | */ | |
9538 | ||
9539 | /* | |
9540 | ** flip == TRUE | |
9541 | ** >> res is the false branch, other is the true branch (or continuation) | |
9542 | ** flip == FALSE | |
9543 | ** >> res is the true branch, other is the false branch (or continutation) | |
9544 | ** | |
9545 | ** opt == TRUE if, | |
9546 | ** | |
9547 | ** <other> | |
9548 | ** if <res> ; | |
9549 | ** | |
9550 | ** References not effected by res are propagated from other. | |
9551 | */ | |
9552 | ||
9553 | static void | |
9554 | branchStateError (/*@notnull@*/ uentry res, /*@notnull@*/ uentry other, | |
9555 | bool flip, clause cl, fileloc loc) | |
9556 | { | |
9557 | if (optgenerror | |
9558 | (FLG_BRANCHSTATE, | |
9559 | message ("%s %q is %s %s, but %s %s.", | |
9560 | ekind_capName (res->ukind), uentry_getName (res), | |
9561 | sRef_stateVerb (res->sref), clause_nameFlip (cl, flip), | |
9562 | sRef_stateAltVerb (res->sref), clause_nameFlip (cl, !flip)), | |
9563 | loc)) | |
9564 | { | |
9565 | if (sRef_isDead (res->sref)) | |
9566 | { | |
9567 | sRef_showStateInfo (res->sref); | |
9568 | } | |
9569 | else if (sRef_isKept (res->sref)) | |
9570 | { | |
9571 | sRef_showAliasInfo (res->sref); | |
9572 | } | |
9573 | else /* dependent */ | |
9574 | { | |
9575 | sRef_showAliasInfo (res->sref); | |
9576 | sRef_showAliasInfo (other->sref); | |
9577 | } | |
9578 | ||
9579 | sRef_setAliasKind (res->sref, AK_ERROR, fileloc_undefined); | |
9580 | } | |
9581 | } | |
9582 | ||
9583 | static bool incompatibleStates (sRef rs, sRef os) | |
9584 | { | |
9585 | alkind rk = sRef_getAliasKind (rs); | |
9586 | alkind ok = sRef_getAliasKind (os); | |
9587 | ||
9588 | if (alkind_isError (rk) || alkind_isError (ok)) | |
9589 | { | |
9590 | return FALSE; | |
9591 | } | |
9592 | else | |
9593 | { | |
9594 | return ((sRef_isDead (rs) | |
9595 | || (alkind_isKept (rk) && !alkind_isKept (ok)) | |
9596 | || (alkind_isDependent (rk) | |
9597 | && !alkind_isDependent (ok) && !alkind_isTemp (ok))) | |
9598 | && (sRef_isAllocated (os) || sRef_isStateDefined (os))); | |
9599 | } | |
9600 | } | |
9601 | ||
9602 | static void | |
9603 | branchStateAltError (/*@notnull@*/ uentry res, | |
9604 | /*@notnull@*/ uentry other, bool flip, | |
9605 | clause cl, fileloc loc) | |
9606 | { | |
9607 | if (optgenerror | |
9608 | (FLG_BRANCHSTATE, | |
9609 | message ("%s %q is %s %s, but %s %s.", | |
9610 | ekind_capName (res->ukind), uentry_getName (res), | |
9611 | sRef_stateVerb (other->sref), clause_nameFlip (cl, flip), | |
9612 | sRef_stateAltVerb (other->sref), clause_nameFlip (cl, !flip)), | |
9613 | loc)) | |
9614 | { | |
9615 | if (sRef_isDead (other->sref)) | |
9616 | { | |
9617 | sRef_showStateInfo (other->sref); | |
9618 | } | |
9619 | else /* kept */ | |
9620 | { | |
9621 | sRef_showAliasInfo (other->sref); | |
9622 | } | |
9623 | ||
9624 | sRef_setAliasKind (res->sref, AK_ERROR, fileloc_undefined); | |
9625 | sRef_setDefinedComplete (res->sref, fileloc_undefined); | |
9626 | ||
9627 | sRef_setAliasKind (other->sref, AK_ERROR, fileloc_undefined); | |
9628 | sRef_setDefinedComplete (other->sref, fileloc_undefined); | |
9629 | } | |
9630 | } | |
9631 | ||
28bf4b0b | 9632 | /* |
9633 | ** A reference is relevant for certain checks, only if it | |
9634 | ** is not definitely null on this path (but not declared | |
9635 | ** to always be null.) | |
9636 | */ | |
9637 | ||
9638 | static bool uentry_relevantReference (sRef sr, bool flip) | |
616915dd | 9639 | { |
28bf4b0b | 9640 | if (sRef_isKept (sr) || sRef_isDependent (sr)) |
9641 | { | |
9642 | return FALSE; | |
9643 | } | |
9644 | else | |
9645 | { | |
9646 | if (flip) | |
9647 | { | |
9648 | return !sRef_definitelyNullContext (sr); | |
9649 | } | |
9650 | else | |
9651 | { | |
9652 | return !sRef_definitelyNullAltContext (sr); | |
9653 | } | |
9654 | } | |
616915dd | 9655 | } |
616915dd | 9656 | |
28bf4b0b | 9657 | static void |
9658 | uentry_mergeAliasStates (uentry res, uentry other, fileloc loc, | |
9659 | bool mustReturn, bool flip, bool opt, | |
9660 | clause cl) | |
9661 | { | |
9662 | DPRINTF (("Merge alias states: %s / %s", | |
9663 | uentry_unparseFull (res), | |
9664 | uentry_unparseFull (other))); | |
616915dd | 9665 | |
9666 | if (sRef_isValid (res->sref)) | |
9667 | { | |
9668 | if (!mustReturn) | |
9669 | { | |
28bf4b0b | 9670 | DPRINTF (("1")); |
616915dd | 9671 | if (incompatibleStates (res->sref, other->sref)) |
9672 | { | |
28bf4b0b | 9673 | DPRINTF (("2")); |
9674 | ||
616915dd | 9675 | if (sRef_isThroughArrayFetch (res->sref) |
9676 | && !context_getFlag (FLG_STRICTBRANCHSTATE)) | |
9677 | { | |
9678 | if (sRef_isKept (res->sref) || sRef_isKept (other->sref)) | |
9679 | { | |
9680 | sRef_maybeKill (res->sref, loc); | |
9681 | } | |
9682 | else if (sRef_isPossiblyDead (other->sref)) | |
9683 | { | |
9684 | sRef_maybeKill (res->sref, loc); | |
9685 | } | |
9686 | else | |
9687 | { | |
9688 | ; | |
9689 | } | |
9690 | } | |
9691 | else | |
9692 | { | |
28bf4b0b | 9693 | if (uentry_relevantReference (other->sref, flip)) |
616915dd | 9694 | { |
28bf4b0b | 9695 | DPRINTF (("4")); |
616915dd | 9696 | if (sRef_isLocalParamVar (res->sref) |
9697 | && (sRef_isLocalState (other->sref) | |
9698 | || sRef_isDependent (other->sref))) | |
9699 | { | |
9700 | if (sRef_isDependent (res->sref)) | |
9701 | { | |
9702 | sRef_setDependent (other->sref, loc); | |
9703 | } | |
9704 | else | |
9705 | { | |
9706 | sRef_setDefState (res->sref, SS_UNUSEABLE, loc); | |
9707 | } | |
9708 | } | |
9709 | else | |
9710 | { | |
9711 | branchStateError (res, other, flip, cl, loc); | |
9712 | } | |
9713 | } | |
9714 | } | |
9715 | ||
9716 | if (sRef_isKept (res->sref)) | |
9717 | { | |
9718 | sRef_setKept (other->sref, loc); | |
9719 | } | |
9720 | } | |
9721 | else | |
9722 | { | |
9723 | if (incompatibleStates (other->sref, res->sref)) | |
9724 | { | |
28bf4b0b | 9725 | if (uentry_relevantReference (res->sref, !flip)) |
616915dd | 9726 | { |
9727 | if (sRef_isLocalParamVar (res->sref) | |
9728 | && (sRef_isDependent (res->sref) | |
9729 | || sRef_isLocalState (res->sref))) | |
9730 | { | |
9731 | if (sRef_isDependent (other->sref)) | |
9732 | { | |
9733 | sRef_setDependent (res->sref, loc); | |
9734 | } | |
9735 | else | |
9736 | { | |
9737 | sRef_setDefState (res->sref, SS_UNUSEABLE, loc); | |
9738 | } | |
9739 | } | |
9740 | else | |
9741 | { | |
9742 | if (sRef_isParam (other->sref)) | |
9743 | { | |
9744 | /* | |
9745 | ** If the local variable associated | |
9746 | ** with the param has the correct state, | |
9747 | ** its okay. | |
9748 | ** (e.g., free (s); s = new(); ... | |
9749 | */ | |
28bf4b0b | 9750 | |
616915dd | 9751 | uentry uvar = usymtab_lookupSafe (other->uname); |
28bf4b0b | 9752 | |
616915dd | 9753 | if (uentry_isValid (uvar) |
9754 | && ((sRef_isDead (other->sref) | |
9755 | && sRef_isOnly (uvar->sref)) | |
9756 | || (sRef_isDependent (other->sref) | |
9757 | && sRef_isOwned (uvar->sref)))) | |
9758 | { | |
9759 | /* no error */ | |
9760 | } | |
9761 | else | |
9762 | { | |
9763 | branchStateAltError (res, other, | |
9764 | flip, cl, loc); | |
9765 | } | |
9766 | } | |
9767 | else | |
9768 | { | |
28bf4b0b | 9769 | DPRINTF (("Here: %s / %s", |
9770 | uentry_unparseFull (res), | |
9771 | uentry_unparseFull (other))); | |
9772 | ||
616915dd | 9773 | branchStateAltError (res, other, |
9774 | flip, cl, loc); | |
9775 | } | |
9776 | } | |
9777 | } | |
9778 | } | |
28bf4b0b | 9779 | |
616915dd | 9780 | if (sRef_isKept (other->sref)) |
9781 | { | |
9782 | sRef_setKept (res->sref, loc); | |
9783 | } | |
9784 | } | |
9785 | ||
9786 | if (opt) | |
9787 | { | |
9788 | DPRINTF (("Merge opt...")); | |
9789 | sRef_mergeOptState (res->sref, other->sref, cl, loc); | |
9790 | DPRINTF (("Done!")); | |
9791 | } | |
9792 | else | |
9793 | { | |
9794 | sRef_mergeState (res->sref, other->sref, cl, loc); | |
9795 | } | |
9796 | } | |
9797 | else | |
9798 | { | |
9799 | if (sRef_isModified (other->sref)) | |
9800 | { | |
9801 | sRef_setModified (res->sref); | |
9802 | } | |
9803 | } | |
28bf4b0b | 9804 | } |
9805 | } | |
616915dd | 9806 | |
28bf4b0b | 9807 | static void |
9808 | uentry_mergeValueStates (uentry res, uentry other, fileloc loc) | |
9809 | { | |
9810 | valueTable rvalues; | |
9811 | valueTable ovalues; | |
9812 | ||
9813 | DPRINTF (("Merge values: %s / %s", sRef_unparseFull (res->sref), sRef_unparseFull (other->sref))); | |
9814 | ||
9815 | rvalues = sRef_getValueTable (res->sref); | |
9816 | ovalues = sRef_getValueTable (other->sref); | |
9817 | ||
9818 | if (valueTable_isUndefined (ovalues)) | |
9819 | { | |
9820 | DPRINTF (("No value table: %s", sRef_unparseFull (other->sref))); | |
9821 | ; | |
9822 | } | |
9823 | else if (valueTable_isUndefined (rvalues)) | |
9824 | { | |
9825 | /* | |
9826 | ** Copy values from other | |
9827 | */ | |
9828 | ||
9829 | /*@i$@#@*/ | |
9830 | DPRINTF (("Has value table: %s", sRef_unparseFull (other->sref))); | |
9831 | DPRINTF (("No value table: %s", sRef_unparseFull (res->sref))); | |
9832 | ; | |
9833 | } | |
9834 | else | |
9835 | { | |
9836 | valueTable_elements (ovalues, fkey, fval) { | |
9837 | stateValue tval; | |
9838 | metaStateInfo minfo; | |
9839 | stateCombinationTable sctable; | |
9840 | cstring msg; | |
9841 | int nval; | |
9842 | ||
9843 | tval = valueTable_lookup (rvalues, fkey); | |
9844 | ||
9845 | DPRINTF (("Merge value: %s / %s X %s", fkey, | |
9846 | stateValue_unparse (fval), stateValue_unparse (tval))); | |
9847 | ||
9848 | minfo = context_lookupMetaStateInfo (fkey); | |
9849 | llassert (stateValue_isDefined (tval)); | |
9850 | ||
9851 | if (metaStateInfo_isUndefined (minfo) || !stateValue_isDefined (tval)) | |
9852 | { | |
9853 | DPRINTF (("Cannot find meta state for: %s", fkey)); | |
9854 | BADBRANCH; | |
9855 | } | |
9856 | else | |
9857 | { | |
9858 | llassert (metaStateInfo_isDefined (minfo)); | |
9859 | ||
9860 | if (stateValue_isError (fval) | |
9861 | || sRef_definitelyNullContext (res->sref)) | |
9862 | { | |
9863 | sRef_setMetaStateValueComplete (res->sref, | |
9864 | fkey, stateValue_getValue (fval), | |
9865 | loc); | |
9866 | DPRINTF (("Setting res: %s", sRef_unparseFull (res->sref))); | |
9867 | } | |
9868 | else if (stateValue_isError (tval) | |
9869 | || sRef_definitelyNullAltContext (other->sref)) | |
9870 | { | |
9871 | DPRINTF (("Other branch is definitely null!")); | |
9872 | } | |
9873 | else | |
9874 | { | |
9875 | DPRINTF (("Check: %s / %s / %s / %s", fkey, | |
9876 | metaStateInfo_unparse (minfo), | |
9877 | stateValue_unparse (fval), | |
9878 | stateValue_unparse (tval))); | |
9879 | ||
9880 | DPRINTF (("state values: %d / %d", | |
9881 | stateValue_getValue (fval), stateValue_getValue (tval))); | |
9882 | ||
9883 | sctable = metaStateInfo_getMergeTable (minfo); | |
9884 | ||
9885 | DPRINTF (("Merge table: %s", | |
9886 | stateCombinationTable_unparse (sctable))); | |
9887 | ||
9888 | msg = cstring_undefined; | |
9889 | ||
9890 | nval = stateCombinationTable_lookup (sctable, | |
9891 | stateValue_getValue (fval), | |
9892 | stateValue_getValue (tval), | |
9893 | &msg); | |
9894 | ||
9895 | DPRINTF (("nval: %d / %d / %d", nval, | |
9896 | stateValue_getValue (fval), stateValue_getValue (tval))); | |
9897 | ||
9898 | if (cstring_isDefined (msg)) | |
9899 | { | |
9900 | /*@i32 print extra info for assignments@*/ | |
9901 | ||
9902 | if (uentry_isGlobalMarker (res)) | |
9903 | { | |
9904 | if (optgenerror | |
9905 | (FLG_STATEMERGE, | |
9906 | message | |
9907 | ("Control branches merge with incompatible global states (%s and %s): %s", | |
9908 | metaStateInfo_unparseValue (minfo, stateValue_getValue (fval)), | |
9909 | metaStateInfo_unparseValue (minfo, stateValue_getValue (tval)), | |
9910 | msg), | |
9911 | loc)) | |
9912 | { | |
9913 | sRef_showMetaStateInfo (res->sref, fkey); | |
9914 | sRef_showMetaStateInfo (other->sref, fkey); | |
9915 | } | |
9916 | } | |
9917 | else | |
9918 | { | |
9919 | if (optgenerror | |
9920 | (FLG_STATEMERGE, | |
9921 | message | |
9922 | ("Control branches merge with incompatible states for %q (%s and %s): %s", | |
9923 | uentry_getName (res), | |
9924 | metaStateInfo_unparseValue (minfo, stateValue_getValue (fval)), | |
9925 | metaStateInfo_unparseValue (minfo, stateValue_getValue (tval)), | |
9926 | msg), | |
9927 | loc)) | |
9928 | { | |
9929 | sRef_showMetaStateInfo (res->sref, fkey); | |
9930 | sRef_showMetaStateInfo (other->sref, fkey); | |
9931 | DPRINTF (("Res: %s", sRef_unparseFull (res->sref))); | |
9932 | DPRINTF (("Other: %s", sRef_unparseFull (other->sref))); | |
9933 | DPRINTF (("Null: %s / %s", | |
9934 | bool_unparse (usymtab_isDefinitelyNull (res->sref)), | |
9935 | bool_unparse (usymtab_isDefinitelyNull (other->sref)))); | |
9936 | ||
9937 | } | |
9938 | } | |
9939 | } | |
9940 | ||
9941 | if (nval == stateValue_getValue (fval) | |
9942 | && nval != stateValue_getValue (tval)) | |
9943 | { | |
9944 | loc = stateValue_getLoc (fval); | |
9945 | } | |
9946 | else if (nval == stateValue_getValue (tval) | |
9947 | && nval != stateValue_getValue (fval)) | |
9948 | { | |
9949 | loc = stateValue_getLoc (tval); | |
9950 | } | |
9951 | else | |
9952 | { | |
9953 | ; | |
9954 | } | |
9955 | ||
9956 | if (stateValue_getValue (sRef_getMetaStateValue (res->sref, fkey)) == nval | |
9957 | && nval == stateValue_getValue (fval) | |
9958 | && nval == stateValue_getValue (tval)) | |
9959 | { | |
9960 | ; | |
9961 | } | |
9962 | else | |
9963 | { | |
9964 | sRef_setMetaStateValueComplete (res->sref, fkey, nval, loc); | |
9965 | } | |
9966 | } | |
9967 | } | |
9968 | } end_valueTable_elements ; | |
9969 | } | |
9970 | } | |
9971 | ||
9972 | ||
9973 | static void | |
9974 | uentry_mergeSetStates (uentry res, uentry other, /*@unused@*/ fileloc loc, | |
9975 | bool flip, clause cl) | |
9976 | { | |
9977 | if (cl == DOWHILECLAUSE) | |
9978 | { | |
9979 | res->used = other->used || res->used; | |
9980 | res->lset = other->lset || res->lset; | |
9981 | res->uses = filelocList_append (res->uses, other->uses); | |
9982 | other->uses = filelocList_undefined; | |
9983 | } | |
9984 | else | |
9985 | { | |
9986 | if (sRef_isMacroParamRef (res->sref) | |
9987 | && !uentry_isSefParam (other) | |
9988 | && !uentry_isSefParam (res)) | |
616915dd | 9989 | { |
28bf4b0b | 9990 | bool hasError = FALSE; |
9991 | ||
9992 | if (bool_equal (res->used, other->used)) | |
616915dd | 9993 | { |
28bf4b0b | 9994 | res->used = other->used; |
9995 | } | |
9996 | else | |
9997 | { | |
9998 | if (other->used && !flip) | |
616915dd | 9999 | { |
28bf4b0b | 10000 | hasError = |
10001 | optgenerror | |
10002 | (FLG_MACROPARAMS, | |
10003 | message ("Macro parameter %q used in true clause, " | |
10004 | "but not in false clause", | |
10005 | uentry_getName (res)), | |
10006 | uentry_whereDeclared (res)); | |
616915dd | 10007 | } |
10008 | else | |
28bf4b0b | 10009 | { |
10010 | hasError = | |
10011 | optgenerror | |
10012 | (FLG_MACROPARAMS, | |
10013 | message ("Macro parameter %q used in false clause, " | |
10014 | "but not in true clause", | |
10015 | uentry_getName (res)), | |
10016 | uentry_whereDeclared (res)); | |
10017 | } | |
10018 | res->used = TRUE; | |
10019 | ||
10020 | if (hasError) | |
616915dd | 10021 | { |
28bf4b0b | 10022 | /* make it sef now, prevent more errors */ |
10023 | res->info->var->kind = VKREFSEFPARAM; | |
616915dd | 10024 | } |
10025 | } | |
28bf4b0b | 10026 | } |
10027 | else | |
10028 | { | |
10029 | res->used = other->used || res->used; | |
10030 | res->lset = other->lset || res->lset; | |
10031 | res->uses = filelocList_append (res->uses, other->uses); | |
10032 | other->uses = filelocList_undefined; | |
616915dd | 10033 | } |
10034 | } | |
10035 | } | |
10036 | ||
28bf4b0b | 10037 | void |
10038 | uentry_mergeState (uentry res, uentry other, fileloc loc, | |
10039 | bool mustReturn, bool flip, bool opt, | |
10040 | clause cl) | |
10041 | { | |
10042 | llassert (uentry_isValid (res)); | |
10043 | llassert (uentry_isValid (other)); | |
10044 | ||
10045 | llassert (res->ukind == other->ukind); | |
10046 | llassert (res->ukind == KVAR); | |
10047 | ||
10048 | DPRINTF (("Merge state: %s / %s", uentry_unparseFull (res), | |
10049 | uentry_unparseFull (other))); | |
10050 | ||
10051 | uentry_mergeAliasStates (res, other, loc, mustReturn, flip, opt, cl); | |
10052 | uentry_mergeValueStates (res, other, loc); | |
10053 | uentry_mergeSetStates (res, other, loc, flip, cl); | |
10054 | } | |
10055 | ||
616915dd | 10056 | void uentry_setUsed (uentry e, fileloc loc) |
10057 | { | |
10058 | static bool firstTime = TRUE; | |
10059 | static bool showUses = FALSE; | |
10060 | static bool exportLocal = FALSE; | |
10061 | ||
28bf4b0b | 10062 | DPRINTF (("Used: %s / %s", uentry_unparse (e), fileloc_unparse (loc))); |
10063 | ||
616915dd | 10064 | if (firstTime) |
10065 | { | |
10066 | /* need to track uses is FLG_SHOWUSES or FLG_EXPORTLOCAL is true */ | |
10067 | ||
10068 | showUses = context_getFlag (FLG_SHOWUSES); | |
10069 | exportLocal = context_maybeSet (FLG_EXPORTLOCAL); | |
10070 | ||
10071 | firstTime = FALSE; | |
10072 | } | |
10073 | ||
10074 | if (uentry_isValid (e)) | |
10075 | { | |
10076 | int dp; | |
28bf4b0b | 10077 | |
10078 | if (warnClause_isDefined (e->warn)) | |
10079 | { | |
10080 | flagSpec flg = warnClause_getFlag (e->warn); | |
10081 | cstring msg; | |
10082 | ||
10083 | if (warnClause_hasMessage (e->warn)) | |
10084 | { | |
10085 | msg = cstring_copy (warnClause_getMessage (e->warn)); | |
10086 | } | |
10087 | else | |
10088 | { | |
10089 | msg = message ("Use of possibly dangerous %s", | |
10090 | uentry_ekindNameLC (e)); | |
10091 | } | |
10092 | ||
10093 | vfsgenerror (flg, | |
10094 | message ("%q: %q", msg, uentry_getName (e)), | |
10095 | loc); | |
10096 | } | |
10097 | ||
616915dd | 10098 | if (sRef_isMacroParamRef (e->sref)) |
10099 | { | |
10100 | if (uentry_isYield (e) || uentry_isSefParam (e)) | |
10101 | { | |
10102 | ; | |
10103 | } | |
10104 | else | |
10105 | { | |
10106 | if (context_inConditional ()) | |
10107 | { | |
10108 | if (optgenerror | |
10109 | (FLG_MACROPARAMS, | |
10110 | message ("Macro parameter %q used in conditionally " | |
10111 | "executed code (may or may not be " | |
10112 | "evaluated exactly once)", | |
10113 | uentry_getName (e)), | |
10114 | loc)) | |
10115 | { | |
10116 | e->info->var->kind = VKREFSEFPARAM; | |
10117 | } | |
10118 | } | |
10119 | else | |
10120 | { | |
10121 | if ((e)->used) | |
10122 | { | |
10123 | if (optgenerror | |
10124 | (FLG_MACROPARAMS, | |
10125 | message ("Macro parameter %q used more than once", | |
10126 | uentry_getName (e)), | |
10127 | uentry_whereDeclared (e))) | |
10128 | { | |
10129 | e->info->var->kind = VKREFSEFPARAM; | |
10130 | } | |
10131 | } | |
10132 | } | |
10133 | } | |
10134 | } | |
10135 | ||
10136 | if ((dp = uentry_directParamNo (e)) >= 0) | |
10137 | { | |
10138 | uentry_setUsed (usymtab_getParam (dp), loc); | |
10139 | } | |
10140 | ||
10141 | e->used = TRUE; | |
28bf4b0b | 10142 | |
616915dd | 10143 | if (!sRef_isLocalVar (e->sref)) |
10144 | { | |
10145 | if (showUses) | |
10146 | { | |
10147 | e->uses = filelocList_add (e->uses, fileloc_copy (loc)); | |
10148 | } | |
10149 | else | |
10150 | { | |
10151 | if (exportLocal) | |
10152 | { | |
10153 | if (context_inMacro ()) | |
10154 | { | |
10155 | e->uses = filelocList_addUndefined (e->uses); | |
10156 | } | |
10157 | else | |
10158 | { | |
10159 | e->uses = filelocList_addDifferentFile | |
10160 | (e->uses, | |
10161 | uentry_whereDeclared (e), | |
10162 | loc); | |
10163 | } | |
10164 | } | |
10165 | } | |
10166 | } | |
10167 | } | |
10168 | } | |
10169 | ||
10170 | bool uentry_isReturned (uentry u) | |
10171 | { | |
10172 | return (uentry_isValid (u) && uentry_isVar (u) | |
10173 | && (u->info->var->kind == VKRETPARAM | |
10174 | || u->info->var->kind == VKSEFRETPARAM)); | |
10175 | } | |
10176 | ||
10177 | /*@exposed@*/ sRef uentry_returnedRef (uentry u, exprNodeList args) | |
10178 | { | |
10179 | llassert (uentry_isRealFunction (u)); | |
10180 | ||
28bf4b0b | 10181 | if (ctype_isFunction (u->utype) && sRef_isStateSpecial (uentry_getSref (u))) |
616915dd | 10182 | { |
28bf4b0b | 10183 | stateClauseList clauses = uentry_getStateClauseList (u); |
10184 | sRef res = sRef_makeNew (ctype_getReturnType (u->utype), u->sref, u->uname); | |
616915dd | 10185 | |
28bf4b0b | 10186 | DPRINTF (("Returned: %s", sRef_unparseFull (res))); |
616915dd | 10187 | sRef_setAllocated (res, g_currentloc); |
10188 | ||
28bf4b0b | 10189 | DPRINTF (("ensures clause: %s / %s", uentry_unparse (u), |
10190 | stateClauseList_unparse (clauses))); | |
616915dd | 10191 | |
28bf4b0b | 10192 | stateClauseList_postElements (clauses, cl) |
10193 | { | |
10194 | if (!stateClause_isGlobal (cl)) | |
616915dd | 10195 | { |
28bf4b0b | 10196 | sRefSet refs = stateClause_getRefs (cl); |
10197 | sRefMod modf = stateClause_getEffectFunction (cl); | |
10198 | ||
10199 | sRefSet_elements (refs, el) | |
616915dd | 10200 | { |
28bf4b0b | 10201 | sRef base = sRef_getRootBase (el); |
10202 | ||
10203 | if (sRef_isResult (base)) | |
616915dd | 10204 | { |
28bf4b0b | 10205 | if (modf != NULL) |
10206 | { | |
10207 | sRef sr = sRef_fixBase (el, res); | |
10208 | modf (sr, g_currentloc); | |
10209 | } | |
616915dd | 10210 | } |
28bf4b0b | 10211 | else |
10212 | { | |
10213 | ; | |
10214 | } | |
10215 | } end_sRefSet_elements ; | |
10216 | } | |
10217 | } end_stateClauseList_postElements ; | |
616915dd | 10218 | |
10219 | return res; | |
10220 | } | |
10221 | else | |
10222 | { | |
10223 | uentryList params; | |
10224 | alkind ak; | |
10225 | sRefSet prefs = sRefSet_new (); | |
10226 | sRef res = sRef_undefined; | |
10227 | int paramno = 0; | |
10228 | ||
10229 | params = uentry_getParams (u); | |
10230 | ||
10231 | uentryList_elements (params, current) | |
10232 | { | |
10233 | if (uentry_isReturned (current)) | |
10234 | { | |
10235 | if (exprNodeList_size (args) >= paramno) | |
10236 | { | |
10237 | exprNode ecur = exprNodeList_nth (args, paramno); | |
10238 | sRef tref = exprNode_getSref (ecur); | |
10239 | ||
28bf4b0b | 10240 | DPRINTF (("Returned reference: %s", sRef_unparseFull (tref))); |
10241 | ||
616915dd | 10242 | if (sRef_isValid (tref)) |
10243 | { | |
10244 | sRef tcref = sRef_copy (tref); | |
10245 | ||
28bf4b0b | 10246 | usymtab_addForceMustAlias (tcref, tref); /* evans 2001-05-27 */ |
10247 | ||
616915dd | 10248 | if (sRef_isDead (tcref)) |
10249 | { | |
10250 | sRef_setDefined (tcref, g_currentloc); | |
10251 | sRef_setOnly (tcref, g_currentloc); | |
10252 | } | |
10253 | ||
10254 | if (sRef_isRefCounted (tcref)) | |
10255 | { | |
10256 | /* could be a new ref now (but only if its returned) */ | |
10257 | sRef_setAliasKindComplete (tcref, AK_ERROR, g_currentloc); | |
10258 | } | |
10259 | ||
10260 | sRef_makeSafe (tcref); | |
616915dd | 10261 | prefs = sRefSet_insert (prefs, tcref); |
10262 | } | |
10263 | } | |
10264 | } | |
10265 | ||
10266 | paramno++; | |
10267 | } end_uentryList_elements ; | |
10268 | ||
10269 | if (sRefSet_size (prefs) > 0) | |
10270 | { | |
10271 | nstate n = sRef_getNullState (u->sref); | |
10272 | ||
10273 | if (sRefSet_size (prefs) == 1) | |
10274 | { | |
10275 | res = sRefSet_choose (prefs); | |
10276 | } | |
10277 | else | |
10278 | { | |
28bf4b0b | 10279 | /* should this ever happen? */ /*@i534 evans 2001-05-27 */ |
616915dd | 10280 | res = sRefSet_mergeIntoOne (prefs); |
10281 | } | |
10282 | ||
10283 | if (nstate_isKnown (n)) | |
10284 | { | |
10285 | sRef_setNullState (res, n, g_currentloc); | |
10286 | } | |
10287 | } | |
10288 | else | |
10289 | { | |
10290 | if (ctype_isFunction (u->utype)) | |
10291 | { | |
28bf4b0b | 10292 | DPRINTF (("Making new from %s -->", uentry_unparseFull (u))); |
10293 | res = sRef_makeNew (ctype_getReturnType (u->utype), u->sref, u->uname); | |
616915dd | 10294 | } |
10295 | else | |
10296 | { | |
10297 | res = sRef_makeNew (ctype_unknown, u->sref, u->uname); | |
10298 | } | |
10299 | ||
10300 | if (sRef_isRefCounted (res)) | |
10301 | { | |
10302 | sRef_setAliasKind (res, AK_NEWREF, g_currentloc); | |
10303 | } | |
10304 | } | |
10305 | ||
28bf4b0b | 10306 | |
616915dd | 10307 | if (sRef_getNullState (res) == NS_ABSNULL) |
10308 | { | |
10309 | ctype ct = ctype_realType (u->utype); | |
10310 | ||
10311 | if (ctype_isAbstract (ct)) | |
10312 | { | |
10313 | sRef_setNotNull (res, g_currentloc); | |
10314 | } | |
10315 | else | |
10316 | { | |
10317 | if (ctype_isUser (ct)) | |
10318 | { | |
10319 | sRef_setStateFromUentry (res, usymtab_getTypeEntry (ctype_typeId (ct))); | |
10320 | } | |
10321 | else | |
10322 | { | |
10323 | sRef_setNotNull (res, g_currentloc); | |
10324 | } | |
10325 | } | |
10326 | } | |
10327 | ||
10328 | if (sRef_isRefCounted (res)) | |
10329 | { | |
10330 | sRef_setAliasKind (res, AK_NEWREF, g_currentloc); | |
10331 | } | |
10332 | else if (sRef_isKillRef (res)) | |
10333 | { | |
10334 | sRef_setAliasKind (res, AK_REFCOUNTED, g_currentloc); | |
10335 | } | |
10336 | else | |
10337 | { | |
10338 | ; | |
10339 | } | |
10340 | ||
10341 | ak = sRef_getAliasKind (res); | |
10342 | ||
10343 | if (alkind_isImplicit (ak)) | |
10344 | { | |
10345 | sRef_setAliasKind (res, | |
10346 | alkind_fixImplicit (ak), | |
10347 | g_currentloc); | |
10348 | } | |
10349 | ||
10350 | sRefSet_free (prefs); | |
10351 | ||
28bf4b0b | 10352 | DPRINTF (("Returns ref: %s", sRef_unparseFull (res))); |
616915dd | 10353 | return res; |
10354 | } | |
10355 | } | |
10356 | ||
10357 | static bool uentry_isRefCounted (uentry ue) | |
10358 | { | |
10359 | ctype ct = uentry_getType (ue); | |
10360 | ||
10361 | if (ctype_isFunction (ct)) | |
10362 | { | |
28bf4b0b | 10363 | return (ctype_isRefCounted (ctype_getReturnType (ct))); |
616915dd | 10364 | } |
10365 | else | |
10366 | { | |
10367 | return (ctype_isRefCounted (ct)); | |
10368 | } | |
10369 | } | |
10370 | ||
10371 | /* | |
10372 | ** old was declared yield in the specification. | |
10373 | ** new is declared in the iter implementation. | |
10374 | */ | |
10375 | ||
10376 | void uentry_checkYieldParam (uentry old, uentry unew) | |
10377 | { | |
10378 | cstring name; | |
10379 | ||
10380 | llassert (uentry_isVariable (old)); | |
10381 | llassert (uentry_isVariable (unew)); | |
10382 | ||
10383 | unew->info->var->kind = VKYIELDPARAM; | |
10384 | (void) checkTypeConformance (old, unew, TRUE); | |
10385 | checkVarConformance (old, unew, TRUE, FALSE); | |
10386 | ||
10387 | /* get rid of param marker */ | |
10388 | ||
10389 | name = uentry_getName (unew); | |
10390 | cstring_free (unew->uname); | |
10391 | unew->uname = name; | |
10392 | unew->info->var->kind = VKREFYIELDPARAM; | |
10393 | ||
10394 | uentry_setUsed (old, fileloc_undefined); | |
10395 | uentry_setUsed (unew, fileloc_undefined); | |
10396 | } | |
10397 | ||
10398 | /*@observer@*/ cstring | |
10399 | uentry_ekindName (uentry ue) | |
10400 | { | |
10401 | if (uentry_isValid (ue)) | |
10402 | { | |
10403 | switch (ue->ukind) | |
10404 | { | |
10405 | case KINVALID: | |
10406 | return cstring_makeLiteralTemp ("<Error: invalid uentry>"); | |
10407 | case KDATATYPE: | |
10408 | return cstring_makeLiteralTemp ("Datatype"); | |
10409 | case KENUMCONST: | |
10410 | return cstring_makeLiteralTemp ("Enum member"); | |
10411 | case KCONST: | |
10412 | return cstring_makeLiteralTemp ("Constant"); | |
10413 | case KVAR: | |
10414 | if (uentry_isParam (ue)) | |
10415 | { | |
10416 | return cstring_makeLiteralTemp ("Parameter"); | |
10417 | } | |
10418 | else if (uentry_isExpandedMacro (ue)) | |
10419 | { | |
10420 | return cstring_makeLiteralTemp ("Expanded macro"); | |
10421 | } | |
10422 | else | |
10423 | { | |
10424 | return cstring_makeLiteralTemp ("Variable"); | |
10425 | } | |
10426 | case KFCN: | |
10427 | return cstring_makeLiteralTemp ("Function"); | |
10428 | case KITER: | |
10429 | return cstring_makeLiteralTemp ("Iterator"); | |
10430 | case KENDITER: | |
10431 | return cstring_makeLiteralTemp ("Iterator finalizer"); | |
10432 | case KSTRUCTTAG: | |
10433 | return cstring_makeLiteralTemp ("Struct tag"); | |
10434 | case KUNIONTAG: | |
10435 | return cstring_makeLiteralTemp ("Union tag"); | |
10436 | case KENUMTAG: | |
10437 | return cstring_makeLiteralTemp ("Enum tag"); | |
10438 | case KELIPSMARKER: | |
10439 | return cstring_makeLiteralTemp ("Optional parameters"); | |
10440 | } | |
10441 | } | |
10442 | else | |
10443 | { | |
10444 | return cstring_makeLiteralTemp ("<Undefined>"); | |
10445 | } | |
10446 | ||
10447 | BADEXIT; | |
10448 | } | |
10449 | ||
28bf4b0b | 10450 | /*@observer@*/ cstring |
10451 | uentry_ekindNameLC (uentry ue) | |
10452 | { | |
10453 | if (uentry_isValid (ue)) | |
10454 | { | |
10455 | switch (ue->ukind) | |
10456 | { | |
10457 | case KINVALID: | |
10458 | return cstring_makeLiteralTemp ("<error: invalid uentry>"); | |
10459 | case KDATATYPE: | |
10460 | return cstring_makeLiteralTemp ("datatype"); | |
10461 | case KENUMCONST: | |
10462 | return cstring_makeLiteralTemp ("enum member"); | |
10463 | case KCONST: | |
10464 | return cstring_makeLiteralTemp ("constant"); | |
10465 | case KVAR: | |
10466 | if (uentry_isParam (ue)) | |
10467 | { | |
10468 | return cstring_makeLiteralTemp ("parameter"); | |
10469 | } | |
10470 | else if (uentry_isExpandedMacro (ue)) | |
10471 | { | |
10472 | return cstring_makeLiteralTemp ("expanded macro"); | |
10473 | } | |
10474 | else | |
10475 | { | |
10476 | return cstring_makeLiteralTemp ("variable"); | |
10477 | } | |
10478 | case KFCN: | |
10479 | return cstring_makeLiteralTemp ("function"); | |
10480 | case KITER: | |
10481 | return cstring_makeLiteralTemp ("iterator"); | |
10482 | case KENDITER: | |
10483 | return cstring_makeLiteralTemp ("iterator finalizer"); | |
10484 | case KSTRUCTTAG: | |
10485 | return cstring_makeLiteralTemp ("struct tag"); | |
10486 | case KUNIONTAG: | |
10487 | return cstring_makeLiteralTemp ("union tag"); | |
10488 | case KENUMTAG: | |
10489 | return cstring_makeLiteralTemp ("enum tag"); | |
10490 | case KELIPSMARKER: | |
10491 | return cstring_makeLiteralTemp ("optional parameters"); | |
10492 | } | |
10493 | } | |
10494 | else | |
10495 | { | |
10496 | return cstring_makeLiteralTemp ("<Undefined>"); | |
10497 | } | |
10498 | ||
10499 | BADEXIT; | |
10500 | } | |
10501 | ||
616915dd | 10502 | void uentry_setHasNameError (uentry ue) |
10503 | { | |
10504 | llassert (uentry_isValid (ue)); | |
10505 | ||
10506 | ue->hasNameError = TRUE; | |
10507 | } | |
10508 | ||
10509 | void uentry_checkName (uentry ue) | |
10510 | { | |
28bf4b0b | 10511 | DPRINTF (("Checking name: %s / %s / %s", uentry_unparse (ue), |
10512 | uentry_observeRealName (ue), | |
10513 | bool_unparse (uentry_isVisibleExternally (ue)))); | |
10514 | ||
616915dd | 10515 | if (uentry_isValid (ue) |
28bf4b0b | 10516 | && !context_inXHFile () |
10517 | && uentry_hasName (ue) | |
616915dd | 10518 | && !uentry_isElipsisMarker (ue) |
10519 | && context_getFlag (FLG_NAMECHECKS) | |
10520 | && !ue->hasNameError | |
10521 | && !uentry_isEndIter (ue) | |
10522 | && !fileloc_isBuiltin (uentry_whereLast (ue)) | |
10523 | && (uentry_isExpandedMacro (ue) || !uentry_isForward (ue))) | |
28bf4b0b | 10524 | { |
10525 | DPRINTF (("Here...")); | |
10526 | ||
616915dd | 10527 | if (uentry_isPriv (ue)) |
10528 | { | |
10529 | ; /* any checks here? */ | |
10530 | } | |
10531 | else if (fileloc_isExternal (uentry_whereDefined (ue))) | |
10532 | { | |
10533 | ; /* no errors for externals */ | |
10534 | } | |
10535 | else | |
10536 | { | |
10537 | int scope; | |
10538 | ||
10539 | if (uentry_isExpandedMacro (ue)) | |
10540 | { | |
10541 | scope = globScope; | |
10542 | } | |
10543 | else | |
10544 | { | |
10545 | if (uentry_isExpandedMacro (ue)) | |
10546 | { | |
10547 | scope = fileScope; | |
10548 | } | |
10549 | else if (uentry_isVariable (ue)) | |
10550 | { | |
10551 | sRef sr = uentry_getSref (ue); | |
10552 | ||
10553 | if (sRef_isValid (sr)) | |
10554 | { | |
10555 | scope = sRef_getScope (sr); | |
10556 | } | |
10557 | else | |
10558 | { | |
10559 | scope = fileScope; | |
10560 | } | |
10561 | } | |
10562 | else if (uentry_isFunction (ue) | |
10563 | || uentry_isIter (ue) | |
10564 | || uentry_isEndIter (ue) | |
10565 | || uentry_isConstant (ue)) | |
10566 | { | |
10567 | scope = uentry_isStatic (ue) ? fileScope : globScope; | |
10568 | } | |
10569 | else /* datatypes, etc. must be global */ | |
10570 | { | |
10571 | scope = globScope; | |
10572 | } | |
10573 | ||
10574 | usymtab_checkDistinctName (ue, scope); | |
10575 | } | |
28bf4b0b | 10576 | |
616915dd | 10577 | if (context_getFlag (FLG_CPPNAMES)) |
10578 | { | |
28bf4b0b | 10579 | checkCppName (ue); |
616915dd | 10580 | } |
10581 | ||
10582 | if (scope == globScope) | |
10583 | { | |
28bf4b0b | 10584 | checkExternalName (ue); |
616915dd | 10585 | } |
28bf4b0b | 10586 | else if (scope == fileScope) |
10587 | { | |
10588 | checkFileScopeName (ue); | |
10589 | } | |
10590 | else | |
616915dd | 10591 | { |
10592 | checkLocalName (ue); | |
616915dd | 10593 | } |
10594 | ||
616915dd | 10595 | checkPrefix (ue); |
28bf4b0b | 10596 | checkAnsiName (ue); |
616915dd | 10597 | } |
10598 | } | |
10599 | } | |
10600 | ||
10601 | /*@exposed@*/ uentry uentry_makeUnrecognized (cstring c, /*@keep@*/ fileloc loc) | |
10602 | { | |
10603 | uentry ue; | |
10604 | fileloc tloc; | |
10605 | ||
10606 | /* | |
10607 | ** Can't but unrecognized ids in macros in global scope, because srefs will break! */ | |
10608 | if (!context_inMacro ()) | |
10609 | { | |
10610 | sRef_setGlobalScopeSafe (); | |
10611 | } | |
10612 | ||
10613 | ue = uentry_makeVariable (c, ctype_unknown, loc, FALSE); | |
10614 | uentry_setUsed (ue, loc); | |
10615 | ||
10616 | tloc = fileloc_createExternal (); | |
10617 | uentry_setDefined (ue, tloc); | |
10618 | fileloc_free (tloc); | |
10619 | uentry_setHasNameError (ue); | |
10620 | ||
10621 | if (context_getFlag (FLG_REPEATUNRECOG)) | |
10622 | { | |
10623 | uentry_markOwned (ue); | |
10624 | } | |
10625 | else | |
10626 | { | |
10627 | ue = usymtab_supReturnFileEntry (ue); | |
10628 | } | |
10629 | ||
10630 | if (!context_inMacro ()) | |
10631 | { | |
10632 | sRef_clearGlobalScopeSafe (); | |
10633 | } | |
10634 | ||
10635 | return ue; | |
10636 | } | |
10637 | ||
28bf4b0b | 10638 | uentry uentry_makeGlobalMarker () |
10639 | { | |
10640 | uentry ue; | |
10641 | fileloc tloc; | |
10642 | ||
10643 | llassert (sRef_inGlobalScope ()); | |
10644 | ||
10645 | ue = uentry_makeVariableAux | |
10646 | (GLOBAL_MARKER_NAME, ctype_unknown, fileloc_undefined, | |
10647 | sRef_makeGlobalMarker (), | |
10648 | FALSE, VKNORMAL); | |
10649 | ||
10650 | tloc = fileloc_createExternal (); | |
10651 | uentry_setUsed (ue, tloc); | |
10652 | uentry_setDefined (ue, tloc); | |
10653 | fileloc_free (tloc); | |
10654 | uentry_setHasNameError (ue); | |
10655 | ||
10656 | return ue; | |
10657 | } | |
10658 | ||
10659 | ||
10660 | bool uentry_isGlobalMarker (uentry ue) | |
10661 | { | |
10662 | return (uentry_isValid (ue) | |
10663 | && (cstring_equal (uentry_rawName (ue), GLOBAL_MARKER_NAME))); | |
10664 | } | |
10665 | ||
10666 | ||
10667 | // | |
616915dd | 10668 | /* new start modifications */ |
28bf4b0b | 10669 | |
10670 | /*@ignore@*/ | |
10671 | ||
10672 | ||
10673 | ||
10674 | ||
10675 | static void uentry_testInRange (uentry p_e, uentry cconstant) { | |
616915dd | 10676 | if( uentry_isValid(p_e) ) { |
10677 | if( sRef_isValid (p_e->sref) ) { | |
10678 | char * t = cstring_toCharsSafe (uentry_unparse(cconstant) ); | |
10679 | int index = atoi( t ); | |
10680 | free (t); | |
28bf4b0b | 10681 | // usymtab_testInRange (p_e->sref, index); |
616915dd | 10682 | }//end if |
10683 | }//endif | |
10684 | } | |
28bf4b0b | 10685 | |
616915dd | 10686 | |
bb25bea6 | 10687 | /* void uentry_setStringLength (uentry p_e, uentry cconstant) { */ |
10688 | /* if( uentry_isValid(p_e) ) { */ | |
10689 | /* if( p_e->info != NULL) { */ | |
10690 | /* if( p_e->info->var != NULL) { */ | |
10691 | /* char *t = cstring_toCharsSafe (uentry_unparse(cconstant)); */ | |
10692 | /* int length = atoi( t ); */ | |
10693 | /* free (t); */ | |
10694 | /* p_e->info->var->bufinfo->len = length; */ | |
10695 | /* p_e->sref->bufinfo.len = length; */ | |
10696 | /* printf("Set string length of buff to %d \n", p_e->sref->bufinfo.size); */ | |
10697 | /* }//end if */ | |
10698 | /* }//endif */ | |
10699 | /* }//end if */ | |
10700 | /* } */ | |
10701 | ||
10702 | ||
10703 | static void uentry_setBufferSize (uentry p_e, exprNode cconstant) { | |
616915dd | 10704 | if( uentry_isValid(p_e) ) { |
10705 | if( p_e->info != NULL) { | |
10706 | if( p_e->info->var != NULL) { | |
10707 | int size = atoi(cstring_toCharsSafe(exprNode_unparse(cconstant) ) ); | |
10708 | p_e->info->var->bufinfo->size = size; | |
10709 | p_e->sref->bufinfo.size = size; | |
10710 | printf("Set buffer size to %d \n", p_e->sref->bufinfo.size); | |
10711 | // fprintf(stderr, "For %s and %s\n", uentry_unparse(p_e) ); | |
10712 | // fprintf(stderr, "and %d\n", size ); | |
10713 | ||
10714 | }//end if | |
10715 | }//endif | |
10716 | }//end if | |
10717 | } | |
10718 | ||
10719 | ||
10720 | /* start modifications */ | |
10721 | /* | |
10722 | requires: p_e is defined, is a ptr/array variable | |
10723 | modifies: p_e | |
10724 | effects: sets the state of the variable | |
10725 | */ | |
10726 | ||
28bf4b0b | 10727 | |
616915dd | 10728 | void uentry_setPossiblyNullTerminatedState (uentry p_e) { |
10729 | if( uentry_isValid(p_e) ) { | |
10730 | if( p_e->info != NULL) { | |
10731 | if( p_e->info->var != NULL) { | |
10732 | p_e->info->var->bufinfo->bufstate = BB_POSSIBLYNULLTERMINATED; | |
10733 | p_e->sref->bufinfo.bufstate = BB_POSSIBLYNULLTERMINATED; | |
10734 | return; | |
10735 | }/* End if */ | |
10736 | }/* End if */ | |
10737 | }/* End if */ | |
10738 | ||
10739 | fprintf(stderr, "uentry:Error in setPossiblyNullTerminatedState\n"); | |
10740 | } | |
10741 | ||
10742 | /* | |
10743 | requires: p_e is defined, is a ptr/array variable | |
10744 | modifies: p_e | |
10745 | effects: sets the size of the buffer | |
10746 | */ | |
10747 | ||
10748 | void uentry_setNullTerminatedState (uentry p_e) { | |
10749 | if( uentry_isValid(p_e) ) { | |
10750 | if( p_e->info != NULL) { | |
10751 | if( p_e->info->var != NULL) { | |
10752 | p_e->info->var->bufinfo->bufstate = BB_NULLTERMINATED; | |
10753 | p_e->sref->bufinfo.bufstate = BB_NULLTERMINATED; | |
10754 | return; | |
10755 | }//End if | |
10756 | }//End if | |
10757 | }//End if | |
10758 | ||
10759 | fprintf(stderr, "uentry:Error in setNullTerminatedState\n"); | |
10760 | } | |
10761 | ||
10762 | ||
10763 | /* | |
10764 | requires: p_e is defined, is a ptr/array variable | |
10765 | modifies: p_e | |
10766 | effects: sets the state of the variable | |
10767 | */ | |
10768 | ||
bb25bea6 | 10769 | /* void uentry_setNotNullTerminatedState (uentry p_e) { */ |
10770 | /* if( uentry_isValid(p_e) ) { */ | |
10771 | /* if( p_e->info != NULL) { */ | |
10772 | /* if( p_e->info->var != NULL) { */ | |
10773 | /* p_e->info->var->bufinfo->bufstate = BB_NOTNULLTERMINATED; */ | |
10774 | /* p_e->sref->bufinfo.bufstate = BB_NOTNULLTERMINATED; */ | |
10775 | /* return; */ | |
10776 | /* }//End if */ | |
10777 | /* }//End if */ | |
10778 | /* }//End if */ | |
616915dd | 10779 | |
bb25bea6 | 10780 | /* fprintf(stderr, "uentry:Error in setNotNullTerminatedState\n"); */ |
10781 | /* } */ | |
616915dd | 10782 | |
10783 | ||
10784 | /* | |
10785 | requires: p_e is defined, is a ptr/array variable | |
10786 | modifies: p_e | |
10787 | effects: sets the size of the buffer | |
10788 | */ | |
10789 | ||
10790 | void uentry_setSize (uentry p_e, int size) { | |
10791 | if( uentry_isValid(p_e) ) { | |
10792 | if( p_e->info != NULL) { | |
10793 | if( p_e->info->var != NULL) { | |
10794 | p_e->info->var->bufinfo->size = size; | |
10795 | p_e->sref->bufinfo.size = size; | |
10796 | return; | |
10797 | }//End if | |
10798 | }//End if | |
10799 | }//End if | |
10800 | ||
10801 | fprintf(stderr, "uentry:Error in setSize\n"); | |
10802 | } | |
10803 | ||
10804 | ||
10805 | /* | |
10806 | requires: p_e is defined, is a ptr/array variable | |
10807 | modifies: p_e | |
10808 | effects: sets the length of the buffer | |
10809 | */ | |
10810 | ||
bb25bea6 | 10811 | void uentry_setLen (uentry p_e, int len) { |
616915dd | 10812 | if( uentry_isValid(p_e) ) { |
10813 | if( p_e->info != NULL) { | |
10814 | if( p_e->info->var != NULL) { | |
10815 | p_e->info->var->bufinfo->len = len; | |
10816 | p_e->sref->bufinfo.len = len; | |
10817 | return; | |
10818 | }//End if | |
10819 | }//End if | |
10820 | }//End if | |
10821 | ||
10822 | fprintf(stderr, "uentry:Error in setLen\n"); | |
10823 | } | |
28bf4b0b | 10824 | /*@end@*/ |
616915dd | 10825 | /*@=type*/ |