2 ** Copyright (C) University of Virginia, Massachusetts Institue of Technology 1994-2000.
3 ** See ../LICENSE for license information.
14 ** note: forwardTypes defines sRef
18 ** kinds of storage references
56 /*@exposed@*/ /*@notnull@*/ sRef arr;
61 typedef struct _fldinfo
63 /*@exposed@*/ /*@notnull@*/ sRef rec;
64 /*@observer@*/ cstring field;
67 typedef struct _cjinfo
69 /*@exposed@*/ /*@notnull@*/ sRef a;
70 /*@exposed@*/ /*@notnull@*/ sRef b;
77 /*@only@*/ ainfo arrayfetch;
78 /*@only@*/ fldinfo field;
80 /*@observer@*/ cstring fname; /* unconstrained, new */
81 /*@exposed@*/ /*@notnull@*/ sRef ref;
82 /*@only@*/ cjinfo conj;
86 typedef /*@null@*/ struct _alinfo
88 /*@only@*/ fileloc loc;
89 /*@observer@*/ sRef ref;
90 /*@observer@*/ uentry ue;
95 /* does it need to be inside parens (macros) */
98 /* has it been modified */
99 bool modified BOOLBITS;
107 /* start modifications: We keep a track of the buf state(nullterm info)*/
108 struct _bbufinfo bufinfo;
109 /* end modifications */
114 exkind expkind; /* exposed, observer, normal */
117 /* where it becomes observer/exposed */
118 /*@null@*/ /*@only@*/ alinfo expinfo;
120 /* where it changed alias kind */
121 /*@null@*/ /*@only@*/ alinfo aliasinfo;
123 /* where it is defined/allocated */
124 /*@null@*/ /*@only@*/ alinfo definfo;
126 /* where it changes null state */
127 /*@null@*/ /*@only@*/ alinfo nullinfo;
129 /*@only@*/ /*@relnull@*/ sinfo info;
131 /* stores fields for structs, elements for arrays, derefs for pointers */
132 /*@only@*/ sRefSet deriv;
135 extern bool sRef_perhapsNull (sRef p_s);
136 extern bool sRef_possiblyNull (sRef p_s);
137 extern bool sRef_definitelyNull (sRef p_s);
139 extern void sRef_setNullError (sRef p_s);
140 extern void sRef_setNullUnknown (sRef p_s, fileloc p_loc);
141 extern void sRef_setNotNull (sRef p_s, fileloc p_loc);
142 extern void sRef_setNullState (sRef p_s, nstate p_n, fileloc p_loc);
143 extern void sRef_setNullStateInnerComplete (sRef p_s, nstate p_n, fileloc p_loc);
144 extern void sRef_setPosNull (sRef p_s, fileloc p_loc);
145 extern void sRef_setDefNull (sRef p_s, fileloc p_loc);
147 extern /*@truenull@*/ bool sRef_isInvalid (sRef p_s) /*@*/ ;
148 extern /*@falsenull@*/ bool sRef_isValid (sRef p_s) /*@*/ ;
150 /*@constant null sRef sRef_undefined; @*/
151 # define sRef_undefined ((sRef) NULL)
152 # define sRef_isInvalid(s) ((s) == NULL)
153 # define sRef_isValid(s) ((s) != NULL)
155 extern bool sRef_isRecursiveField (sRef p_s) /*@*/ ;
156 extern void sRef_copyRealDerivedComplete (sRef p_s1, sRef p_s2) /*@modifies p_s1@*/ ;
157 extern nstate sRef_getNullState (/*@sef@*/ sRef p_s) /*@*/ ;
158 extern bool sRef_isNotNull (sRef p_s) /*@*/ ;
160 # define sRef_getNullState(s) (sRef_isValid(s) ? (s)->nullstate : NS_UNKNOWN)
161 extern bool sRef_isDefinitelyNull (sRef p_s) /*@*/ ;
163 extern /*@falsenull@*/ bool sRef_isLocalVar (sRef p_s) /*@*/ ;
164 extern /*@falsenull@*/ bool sRef_isNSLocalVar (sRef p_s) /*@*/ ;
165 extern /*@falsenull@*/ bool sRef_isRealLocalVar (sRef p_s) /*@*/ ;
166 extern /*@falsenull@*/ bool sRef_isLocalParamVar (sRef p_s) /*@*/ ;
167 extern /*@falsenull@*/ bool sRef_isKnown (/*@sef@*/ sRef p_s) /*@*/ ;
169 extern bool sRef_hasLastReference (sRef p_s) /*@*/ ;
170 # define sRef_hasLastReference(s) (sRef_hasAliasInfoRef (s))
172 # define sRef_isKnown(s) (sRef_isValid(s) && (s)->kind != SK_UNKNOWN)
174 extern bool sRef_isMeaningful (/*@sef@*/ sRef p_s) /*@*/ ;
175 # define sRef_isMeaningful(s) (sRef_isValid(s) && sRef_isKnown(s) \
176 && (s)->kind != SK_NEW && (s)->kind != SK_TYPE)
177 extern bool sRef_isNew (/*@sef@*/ sRef p_s) /*@*/ ;
178 # define sRef_isNew(s) (sRef_isValid(s) && (s)->kind == SK_NEW)
180 extern bool sRef_isType (/*@sef@*/ sRef p_s) /*@*/ ;
181 # define sRef_isType(s) (sRef_isValid(s) && (s)->kind == SK_TYPE)
183 extern bool sRef_isSafe (/*@sef@*/ sRef p_s) /*@*/ ;
184 # define sRef_isSafe(s) (sRef_isValid(s) && (s)->safe)
186 extern bool sRef_isUnsafe (/*@sef@*/ sRef p_s) /*@*/ ;
187 # define sRef_isUnsafe(s) (sRef_isValid(s) && !(s)->safe)
189 extern void sRef_clearAliasKind (/*@sef@*/ sRef p_s) /*@modifies p_s@*/ ;
190 # define sRef_clearAliasKind(s) (sRef_isValid(s) ? (s)->aliaskind = AK_UNKNOWN : AK_ERROR)
192 extern bool sRef_stateKnown (/*@sef@*/ sRef p_s) /*@*/ ;
193 # define sRef_stateKnown(s) (sRef_isValid(s) && (s)->defstate != SS_UNKNOWN)
195 extern alkind sRef_getAliasKind (/*@sef@*/ sRef p_s) /*@*/ ;
196 # define sRef_getAliasKind(s) (sRef_isValid(s) ? (s)->aliaskind : AK_ERROR)
198 extern alkind sRef_getOrigAliasKind (/*@sef@*/ sRef p_s) /*@*/ ;
199 # define sRef_getOrigAliasKind(s) (sRef_isValid(s) ? (s)->oaliaskind : AK_ERROR)
201 extern /*@falsenull@*/ bool sRef_isConj (/*@sef@*/ sRef p_s) /*@*/ ;
202 # define sRef_isConj(s) (sRef_isValid(s) && (s)->kind == SK_CONJ)
204 extern /*@exposed@*/ sRef sRef_buildArrow (sRef p_s, /*@dependent@*/ cstring p_f);
205 extern /*@exposed@*/ sRef sRef_makeArrow (sRef p_s, /*@dependent@*/ cstring p_f);
207 extern bool sRef_isAllocIndexRef (sRef p_s) /*@*/ ;
208 extern void sRef_setAliasKind (sRef p_s, alkind p_kind, fileloc p_loc) /*@modifies p_s@*/ ;
209 extern void sRef_setPdefined (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
211 extern /*@unused@*/ bool sRef_hasDerived (sRef p_s) /*@*/ ;
212 extern void sRef_clearDerived (sRef p_s);
213 extern void sRef_clearDerivedComplete (sRef p_s);
214 extern /*@exposed@*/ sRef sRef_getBaseSafe (sRef p_s);
216 extern /*@observer@*/ sRefSet sRef_derivedFields (/*@dependent@*/ sRef p_rec) /*@*/ ;
217 extern bool sRef_sameName (sRef p_s1, sRef p_s2) /*@*/ ;
218 extern bool sRef_isDirectParam (sRef p_s) /*@*/ ;
219 extern /*@exposed@*/ sRef sRef_makeAnyArrayFetch (/*@exposed@*/ sRef p_arr);
220 extern bool sRef_isUnknownArrayFetch (sRef p_s) /*@*/ ;
222 extern void sRef_setPartialDefinedComplete (sRef p_s, fileloc p_loc);
223 extern bool sRef_isMacroParamRef (sRef p_s) /*@*/ ;
225 extern void sRef_destroyMod (void) /*@modifies internalState@*/ ;
227 extern bool sRef_deepPred (bool (p_predf) (sRef), sRef p_s);
229 extern bool sRef_aliasCompleteSimplePred (bool (p_predf) (sRef), sRef p_s);
231 extern void sRef_clearExKindComplete (sRef p_s, fileloc p_loc);
233 extern /*@falsenull@*/ bool sRef_isKindSpecial (/*@sef@*/ sRef p_s) /*@*/ ;
234 # define sRef_isKindSpecial(s) (sRef_isValid (s) && (s)->kind == SK_SPECIAL)
236 extern /*@observer@*/ cstring sRef_nullMessage (sRef p_s) /*@*/ ;
238 extern bool sRef_isSystemState (sRef p_s) /*@*/ ;
239 extern bool sRef_isInternalState (sRef p_s) /*@*/ ;
240 extern bool sRef_isResult (sRef p_s) /*@*/ ;
241 extern bool sRef_isSpecInternalState (sRef p_s) /*@*/ ;
242 extern bool sRef_isSpecState (sRef p_s) /*@*/ ;
243 extern bool sRef_isNothing (sRef p_s) /*@*/ ;
245 extern bool sRef_isGlobal (sRef p_s) /*@*/ ;
246 extern bool sRef_isReference (sRef p_s) /*@*/ ;
248 extern ctype sRef_deriveType (sRef p_s, uentryList p_cl) /*@*/ ;
249 extern ctype sRef_getType (sRef p_s) /*@*/ ;
251 extern /*@falsenull@*/ bool sRef_isAddress (sRef p_s) /*@*/ ;
252 extern /*@falsenull@*/ bool sRef_isArrayFetch (sRef p_s) /*@*/ ;
253 extern /*@falsenull@*/ bool sRef_isConst (sRef p_s) /*@*/ ;
254 extern /*@falsenull@*/ bool sRef_isCvar (sRef p_s) /*@*/ ;
255 extern /*@falsenull@*/ bool sRef_isField (sRef p_s) /*@*/ ;
256 extern /*@falsenull@*/ bool sRef_isParam (sRef p_s) /*@*/ ;
257 extern /*@falsenull@*/ bool sRef_isPointer (sRef p_s) /*@*/ ;
259 extern void sRef_setType (sRef p_s, ctype p_t);
260 extern void sRef_setTypeFull (sRef p_s, ctype p_t);
261 extern void sRef_mergeNullState (sRef p_s, nstate p_n);
262 extern void sRef_setLastReference (sRef p_s, sRef p_ref, fileloc p_loc);
263 extern bool sRef_canModify (sRef p_s, sRefSet p_sl) /*@modifies p_s@*/ ;
264 extern bool sRef_canModifyVal (sRef p_s, sRefSet p_sl) /*@modifies p_s@*/ ;
265 extern bool sRef_isIReference (sRef p_s) /*@*/ ;
266 extern bool sRef_isIndexKnown (sRef p_arr) /*@*/ ;
267 extern bool sRef_isModified (sRef p_s) /*@*/ ;
269 extern bool sRef_isExternallyVisible (sRef p_s) /*@*/ ;
270 extern int sRef_compare (sRef p_s1, sRef p_s2) /*@*/ ;
271 extern bool sRef_realSame (sRef p_s1, sRef p_s2) /*@*/ ;
272 extern bool sRef_same (sRef p_s1, sRef p_s2) /*@*/ ;
273 extern bool sRef_similar (sRef p_s1, sRef p_s2) /*@*/ ;
274 extern /*@observer@*/ cstring sRef_getField (sRef p_s) /*@*/ ;
275 extern /*@only@*/ cstring sRef_unparse (sRef p_s) /*@*/ ;
276 extern /*@observer@*/ cstring sRef_stateVerb (sRef p_s) /*@*/ ;
277 extern /*@observer@*/ cstring sRef_stateAltVerb (sRef p_s) /*@*/ ;
278 extern /*@only@*/ cstring sRef_unparseOpt (sRef p_s) /*@*/ ;
279 extern /*@only@*/ cstring sRef_unparseDebug (sRef p_s) /*@*/ ;
280 extern void sRef_killComplete (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
281 extern int sRef_getIndex (sRef p_arr) /*@*/ ;
282 extern /*@dependent@*/ sRef sRef_fixOuterRef (/*@returned@*/ sRef p_s);
283 extern void sRef_setDefinedComplete (sRef p_s, fileloc p_loc);
284 extern void sRef_setDefinedNCComplete (sRef p_s, fileloc p_loc);
285 extern int sRef_getParam (sRef p_s) /*@*/ ;
286 extern int sRef_lexLevel (sRef p_s) /*@*/ ;
287 extern void sRef_setOrigAliasKind (sRef p_s, alkind p_kind);
288 extern /*@exposed@*/ sRef
289 sRef_fixBase (/*@returned@*/ sRef p_s, /*@returned@*/ sRef p_base)
290 /*@modifies p_s, p_base@*/ ;
292 extern void sRef_showNotReallyDefined (sRef p_s) /*@modifies g_msgstream@*/ ;
294 extern void sRef_enterFunctionScope (void);
295 extern void sRef_setGlobalScope (void);
296 extern void sRef_exitFunctionScope (void);
297 extern void sRef_clearGlobalScopeSafe (void);
298 extern void sRef_setGlobalScopeSafe (void);
300 extern /*@notnull@*/ /*@exposed@*/ sRef
301 sRef_buildArrayFetch (/*@exposed@*/ sRef p_arr);
302 extern /*@notnull@*/ /*@exposed@*/ sRef sRef_buildArrayFetchKnown (/*@exposed@*/ sRef p_arr, int p_i);
303 extern /*@exposed@*/ sRef
304 sRef_buildField (sRef p_rec, /*@dependent@*/ cstring p_f)
305 /*@modifies p_rec@*/ ;
306 extern /*@exposed@*/ sRef sRef_buildPointer (/*@exposed@*/ sRef p_t)
309 extern /*@exposed@*/ sRef sRef_makeAddress (/*@exposed@*/ sRef p_t);
310 extern /*@notnull@*/ /*@dependent@*/ sRef sRef_makeUnconstrained (/*@exposed@*/ cstring) /*@*/ ;
312 extern /*@falsenull@*/ bool sRef_isUnconstrained (sRef p_s) /*@*/ ;
314 extern /*@observer@*/ cstring sRef_unconstrainedName (sRef p_s) /*@*/ ;
316 extern /*@notnull@*/ /*@exposed@*/ sRef sRef_makeArrayFetch (sRef p_arr) /*@*/ ;
317 extern /*@notnull@*/ /*@exposed@*/ sRef
318 sRef_makeArrayFetchKnown (sRef p_arr, int p_i);
319 extern /*@notnull@*/ /*@dependent@*/ sRef
320 sRef_makeConj (/*@exposed@*/ /*@returned@*/ sRef p_a, /*@exposed@*/ sRef p_b);
321 extern /*@notnull@*/ /*@dependent@*/ sRef
322 sRef_makeCvar (int p_level, usymId p_index, ctype p_ct);
323 extern /*@notnull@*/ /*@dependent@*/ sRef
324 sRef_makeConst (ctype p_ct);
325 extern /*@exposed@*/ sRef
326 sRef_makeField (sRef p_rec, /*@dependent@*/ cstring p_f);
327 extern /*@notnull@*/ /*@dependent@*/ sRef
328 sRef_makeGlobal (usymId p_l, ctype p_ct);
329 extern /*@exposed@*/ sRef
330 sRef_makeNCField (sRef p_rec, /*@dependent@*/ cstring p_f) /*@*/ ;
331 extern void sRef_maybeKill (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
332 extern /*@unused@*/ /*@notnull@*/ /*@dependent@*/ sRef
333 sRef_makeObject (ctype p_o) /*@*/ ;
334 extern /*@notnull@*/ /*@dependent@*/ sRef sRef_makeType (ctype p_ct) /*@*/ ;
335 extern /*@notnull@*/ /*@dependent@*/ sRef sRef_makeParam (int p_l, ctype p_ct) /*@*/ ;
336 extern /*@exposed@*/ sRef sRef_makePointer (sRef p_s) /*@modifies p_s@*/ ;
337 extern void sRef_makeSafe (sRef p_s) /*@modifies p_s@*/ ;
338 extern void sRef_makeUnsafe (sRef p_s) /*@modifies p_s@*/ ;
339 extern sRef sRef_makeUnknown (void) /*@*/ ;
341 extern sRef sRef_makeNothing (void) /*@*/ ;
342 extern sRef sRef_makeInternalState (void) /*@*/ ;
343 extern sRef sRef_makeSpecState (void) /*@*/ ;
344 extern sRef sRef_makeSystemState (void) /*@*/ ;
346 extern /*@notnull@*/ sRef sRef_makeResult (void) /*@*/ ;
347 extern /*@exposed@*/ sRef
348 sRef_fixResultType (/*@returned@*/ sRef p_s, ctype p_typ, uentry p_ue)
351 extern void sRef_setParamNo (sRef p_s, int p_l) /*@modifies p_s;@*/;
353 extern /*@notnull@*/ sRef
354 sRef_makeNew (ctype p_ct, sRef p_t, /*@exposed@*/ cstring p_name);
356 extern usymId sRef_getScopeIndex (sRef p_s) /*@*/ ;
357 extern /*@exposed@*/ uentry sRef_getBaseUentry (sRef p_s);
359 extern /*@exposed@*/ sRef
360 sRef_fixBaseParam (/*@returned@*/ sRef p_s, exprNodeList p_args)
368 extern /*@only@*/ constraintExpr sRef_fixConstraintParam (/*@observer@*/ sRef s, /*@observer@*/ exprNodeList args);
370 extern bool sRef_isUnionField (sRef p_s);
371 extern void sRef_setModified (sRef p_s);
373 extern void sRef_resetState (sRef p_s);
374 extern void sRef_resetStateComplete (sRef p_s);
376 extern void sRef_storeState (sRef p_s);
377 extern /*@exposed@*/ sRef sRef_getBase (sRef p_s) /*@*/ ;
378 extern /*@exposed@*/ sRef sRef_getRootBase (sRef p_s) /*@*/ ;
380 extern /*@observer@*/ uentry sRef_getUentry (sRef p_s);
382 extern cstring sRef_dump (sRef p_s) /*@*/ ;
383 extern cstring sRef_dumpGlobal (sRef p_s) /*@*/ ;
384 extern /*@exposed@*/ sRef sRef_undump (char **p_c) /*@modifies *p_c@*/ ;
385 extern /*@exposed@*/ sRef sRef_undumpGlobal (char **p_c) /*@modifies *p_c@*/ ;
387 extern /*@only@*/ sRef sRef_saveCopy (sRef p_s);
388 extern /*@dependent@*/ sRef sRef_copy (sRef p_s);
390 extern cstring sRef_unparseState (sRef p_s) /*@*/ ;
391 extern ynm sRef_isWriteable (sRef p_s) /*@*/ ;
392 extern ynm sRef_isReadable (sRef p_s) /*@*/ ;
393 extern bool sRef_isStrictReadable (sRef p_s) /*@*/ ;
394 extern bool sRef_hasNoStorage (sRef p_s) /*@*/ ;
395 extern void sRef_showExpInfo (sRef p_s) /*@modifies g_msgstream*/ ;
396 extern void sRef_setDefined (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
397 extern void sRef_setUndefined (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
398 extern void sRef_setOnly (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
399 extern void sRef_setDependent (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
400 extern void sRef_setOwned (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
401 extern void sRef_setKept (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
402 extern void sRef_setKeptComplete (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
403 extern void sRef_setFresh (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
404 extern void sRef_setShared (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
405 extern void sRef_showAliasInfo (sRef p_s) /*@modifies g_msgstream@*/ ;
406 extern void sRef_showNullInfo (sRef p_s) /*@modifies g_msgstream@*/ ;
407 extern void sRef_showStateInfo (sRef p_s) /*@modifies g_msgstream@*/ ;
408 extern void sRef_setStateFromType (sRef p_s, ctype p_ct) /*@modifies p_s@*/ ;
409 extern void sRef_kill (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
410 extern void sRef_setAllocated (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
411 extern void sRef_setAllocatedShallowComplete (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
412 extern void sRef_setAllocatedComplete (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
413 extern /*@only@*/ cstring sRef_unparseKindNamePlain (sRef p_s) /*@*/ ;
414 extern /*@falsenull@*/ bool sRef_isRealGlobal(sRef p_s) /*@*/ ;
415 extern /*@falsenull@*/ bool sRef_isFileStatic (sRef p_s) /*@*/ ;
417 extern int sRef_getScope (sRef p_s) /*@*/ ;
418 extern /*@observer@*/ cstring sRef_getScopeName (sRef p_s) /*@*/ ;
420 /* must be real function (passed as function param) */
421 extern /*@falsenull@*/ bool sRef_isDead (sRef p_s) /*@*/ ;
422 extern /*@falsenull@*/ bool sRef_isDeadStorage (sRef p_s) /*@*/ ;
423 extern bool sRef_isStateLive (sRef p_s) /*@*/ ;
424 extern /*@falsenull@*/ bool sRef_isPossiblyDead (sRef p_s) /*@*/ ;
425 extern /*@truenull@*/ bool sRef_isStateUndefined (sRef p_s) /*@*/ ;
426 extern bool sRef_isUnuseable (sRef p_s) /*@*/ ;
428 extern /*@exposed@*/ sRef sRef_constructDeref (sRef p_t)
431 extern /*@exposed@*/ sRef sRef_constructDeadDeref (sRef p_t)
434 extern bool sRef_isJustAllocated (sRef p_s) /*@*/ ;
436 extern /*@falsenull@*/ bool sRef_isAllocated (sRef p_s) /*@*/ ;
438 extern bool sRef_isUndefGlob (/*@sef@*/ sRef p_s) /*@*/ ;
439 # define sRef_isUndefGlob(s) \
441 && ((s)->defstate == SS_UNDEFGLOB || (s)->defstate == SS_UNDEFKILLED))
443 extern bool sRef_isKilledGlob (/*@sef@*/ sRef p_s) /*@*/ ;
444 # define sRef_isKilledGlob(s) \
446 && ((s)->defstate == SS_KILLED || (s)->defstate == SS_UNDEFKILLED))
448 extern bool sRef_isRelDef (/*@sef@*/ sRef p_s) /*@*/ ;
449 # define sRef_isRelDef(s) \
450 ((sRef_isValid(s)) && ((s)->defstate == SS_RELDEF))
452 extern bool sRef_isPartial (/*@sef@*/ sRef p_s) /*@*/ ;
453 # define sRef_isPartial(s) \
454 ((sRef_isValid(s)) && ((s)->defstate == SS_PARTIAL))
456 extern bool sRef_isStateSpecial (/*@sef@*/ sRef p_s) /*@*/ ;
457 # define sRef_isStateSpecial(s) \
458 ((sRef_isValid(s)) && ((s)->defstate == SS_SPECIAL))
460 extern bool sRef_isStateDefined (/*@sef@*/ sRef p_s) /*@*/ ;
461 # define sRef_isStateDefined(s) \
462 ((sRef_isValid(s)) && (((s)->defstate == SS_DEFINED) \
463 || (s)->defstate == SS_RELDEF))
465 extern bool sRef_isAnyDefined (/*@sef@*/ sRef p_s) /*@*/ ;
466 # define sRef_isAnyDefined(s) ((sRef_isValid(s)) && \
467 (((s)->defstate == SS_DEFINED) \
468 || ((s)->defstate == SS_RELDEF) \
469 || ((s)->defstate == SS_PARTIAL)))
471 extern /*@falsenull@*/ bool sRef_isPdefined (/*@sef@*/ sRef p_s) /*@*/ ;
472 # define sRef_isPdefined(s) \
473 ((sRef_isValid(s)) && ((s)->defstate == SS_PDEFINED))
475 extern bool sRef_isReallyDefined (sRef p_s) /*@*/ ;
477 extern bool sRef_isStateUnknown (/*@sef@*/ sRef p_s) /*@*/ ;
478 # define sRef_isStateUnknown(s) \
479 ((sRef_isValid(s)) && ((s)->defstate == SS_UNKNOWN))
481 extern /*@falsenull@*/ bool sRef_isRefCounted (/*@sef@*/ sRef p_s) /*@*/ ;
482 # define sRef_isRefCounted(s) \
483 ((sRef_isValid(s)) && ((s)->aliaskind == AK_REFCOUNTED))
485 extern /*@falsenull@*/ bool sRef_isNewRef (/*@sef@*/ sRef p_s) /*@*/ ;
486 # define sRef_isNewRef(s) \
487 ((sRef_isValid(s)) && ((s)->aliaskind == AK_NEWREF))
489 extern /*@falsenull@*/ bool sRef_isKillRef (/*@sef@*/ sRef p_s) /*@*/ ;
490 # define sRef_isKillRef(s) \
491 ((sRef_isValid(s)) && ((s)->aliaskind == AK_KILLREF))
493 extern bool sRef_isOnly (sRef p_s) /*@*/ ;
494 extern bool sRef_isDependent (sRef p_s) /*@*/ ;
495 extern bool sRef_isOwned (/*@sef@*/ sRef p_s) /*@*/ ;
496 extern bool sRef_isKeep (/*@sef@*/ sRef p_s) /*@*/ ;
498 extern bool sRef_isKept (/*@sef@*/ sRef p_s) /*@*/ ;
499 # define sRef_isKept(s) \
500 ((sRef_isValid(s)) && ((s)->aliaskind == AK_KEPT))
502 extern /*@unused@*/ bool sRef_isTemp (sRef p_s) /*@*/ ;
504 extern bool sRef_isStack (sRef p_s) /*@*/ ;
505 extern bool sRef_isLocalState (sRef p_s) /*@*/ ;
506 extern bool sRef_isUnique (sRef p_s) /*@*/ ;
507 extern bool sRef_isShared (sRef p_s) /*@*/ ;
508 extern bool sRef_isExposed (sRef p_s) /*@*/ ;
509 extern bool sRef_isObserver (sRef p_s) /*@*/ ;
510 extern bool sRef_isFresh (sRef p_s) /*@*/ ;
512 extern bool sRef_isRefsField (/*@sef@*/ sRef p_s) /*@*/ ;
513 # define sRef_isRefsField(s) \
514 ((sRef_isValid(s)) && ((s)->aliaskind == AK_REFS))
516 extern void sRef_protectDerivs (void) /*@modifies internalState@*/ ;
517 extern void sRef_clearProtectDerivs (void) /*@modifies internalState@*/ ;
519 extern exkind sRef_getExKind (sRef p_s) /*@*/ ;
520 extern exkind sRef_getOrigExKind (sRef p_s) /*@*/ ;
521 extern void sRef_setExKind (sRef p_s, exkind p_exp, fileloc p_loc) /*@modifies p_s@*/ ;
522 extern void sRef_setExposed (sRef p_s, fileloc p_loc) /*@modifies p_s@*/;
524 extern bool sRef_isAnyParam (sRef p_s) /*@*/ ;
525 extern /*@observer@*/ sRef sRef_getAliasInfoRef (/*@exposed@*/ sRef p_s) /*@*/ ;
526 extern bool sRef_hasAliasInfoRef (sRef p_s) /*@*/ ;
528 extern /*@exposed@*/ sRef sRef_constructPointer (sRef p_t) /*@modifies p_t*/ ;
529 extern bool sRef_isAliasCheckedGlobal (sRef p_s) /*@*/ ;
530 extern bool sRef_includedBy (sRef p_small, sRef p_big) /*@*/ ;
531 extern /*@dependent@*/ /*@exposed@*/ sRef sRef_makeExternal (/*@exposed@*/ sRef p_t) /*@*/ ;
532 extern bool sRef_similarRelaxed (sRef p_s1, sRef p_s2) /*@*/ ;
533 extern /*@only@*/ cstring sRef_unparseKindName (sRef p_s) /*@*/ ;
534 extern void sRef_copyState (sRef p_s1, sRef p_s2) /*@modifies p_s1@*/ ;
535 extern /*@unused@*/ bool sRef_isObject (sRef p_s) /*@*/ ;
536 extern bool sRef_isNotUndefined (sRef p_s) /*@*/ ;
537 extern bool sRef_isExternal (sRef p_s) /*@*/ ;
538 extern cstring sRef_unparseDeep (sRef p_s) /*@*/ ;
539 extern cstring sRef_unparseFull (sRef p_s) /*@*/ ;
540 extern /*@observer@*/ cstring sRef_unparseScope (sRef p_s) /*@*/ ;
541 extern void sRef_mergeState (sRef p_res, sRef p_other, clause p_cl, fileloc p_loc)
542 /*@modifies p_res, p_other@*/ ;
543 extern void sRef_mergeOptState (sRef p_res, sRef p_other, clause p_cl, fileloc p_loc)
544 /*@modifies p_res, p_other@*/ ;
545 extern void sRef_mergeStateQuiet (sRef p_res, sRef p_other)
546 /*@modifies p_res@*/ ;
547 extern void sRef_mergeStateQuietReverse (sRef p_res, sRef p_other)
548 /*@modifies p_res@*/ ;
549 extern void sRef_setStateFromUentry (sRef p_s, uentry p_ue)
551 extern bool sRef_isStackAllocated (sRef p_s) /*@*/ ;
552 extern bool sRef_modInFunction (void) /*@*/ ;
553 extern void sRef_clearAliasState (sRef p_s, fileloc p_loc)
555 extern void sRef_setPartial (sRef p_s, fileloc p_loc)
557 extern void sRef_setDerivNullState (sRef p_set, sRef p_guide, nstate p_ns)
558 /*@modifies p_set@*/ ;
560 extern void sRef_clearGlobalScope (void) /*@modifies internalState@*/ ;
562 extern sRef sRef_makeDerived (/*@exposed@*/ sRef p_t);
564 extern sstate sRef_getDefState (sRef p_s) /*@*/ ;
565 extern void sRef_setDefState (sRef p_s, sstate p_defstate, fileloc p_loc);
566 extern void sRef_showRefLost (sRef p_s);
567 extern void sRef_showRefKilled (sRef p_s);
568 extern /*@exposed@*/ sRef sRef_updateSref (sRef p_s);
570 extern void sRef_aliasCheckPred (bool (p_predf) (sRef, exprNode, sRef, exprNode),
571 /*@null@*/ bool (p_checkAliases) (sRef),
572 sRef p_s, exprNode p_e, exprNode p_err);
573 extern bool sRef_aliasCheckSimplePred (sRefTest p_predf, sRef p_s);
575 extern void sRef_showStateInconsistent (sRef p_s);
577 extern void sRef_setDependentComplete (sRef p_s, fileloc p_loc);
579 extern void sRef_setAliasKindComplete (sRef p_s, alkind p_kind, fileloc p_loc);
581 extern bool sRef_isThroughArrayFetch (sRef p_s) /*@*/ ;
583 extern /*@exposed@*/ /*@notnull@*/ sRef sRef_getConjA (sRef p_s) /*@*/ ;
584 extern /*@exposed@*/ /*@notnull@*/ sRef sRef_getConjB (sRef p_s) /*@*/ ;
586 extern /*@only@*/ cstring sRef_unparsePreOpt (sRef p_s) /*@*/ ;
588 extern bool sRef_hasName (sRef p_s) /*@*/ ;
590 extern void sRef_free (/*@only@*/ sRef p_s);
592 extern void sRef_setObserver (sRef p_s, fileloc p_loc) /*@modifies p_s@*/ ;
594 /* start modifications */
595 /* functions for making modification to null-term info */
596 extern void sRef_setNullTerminatedStateInnerComplete(sRef p_s, struct _bbufinfo p_b, fileloc p_loc);
597 extern struct _bbufinfo sRef_getNullTerminatedState(sRef p_s);
598 extern void sRef_setNullTerminatedState (sRef p_s);
599 extern void sRef_setPossiblyNullTerminatedState (sRef p_s);
600 extern void sRef_setNotNullTerminatedState (sRef p_s);
601 extern void sRef_setSize(sRef p_s, int p_size);
602 extern void sRef_setLen(sRef p_s, int p_len);
604 extern int sRef_getSize(sRef p_s);
608 #define sRef_getSize(p_s) \
609 ((p_s)->bufinfo.size)
611 extern int sRef_getLen(sRef p_s);
612 #define sRef_getLen(p_s) \
615 extern void sRef_hasBufStateInfo(sRef p_s);
616 # define sRef_hasBufStateInfo(p_s) \
619 extern bool sRef_isNullTerminated(/*@sef@*/sRef p_s);
620 # define sRef_isNullTerminated(p_s) \
621 ( sRef_hasBufStateInfo((p_s)) ? ((p_s)->bufinfo.bufstate \
622 == BB_NULLTERMINATED) : FALSE)
624 extern bool sRef_isPossiblyNullTerminated(/*@sef@*/sRef p_s);
625 # define sRef_isPossiblyNullTerminated(p_s) \
626 ( sRef_hasBufStateInfo((p_s)) ? ( (p_s)->bufinfo.bufstate \
627 == BB_POSSIBLYNULLTERMINATED) : FALSE)
629 extern bool sRef_isNotNullTerminated(/*@sef@*/sRef p_s);
630 # define sRef_isNotNullTerminated(p_s) \
631 ( sRef_hasBufStateInfo((p_s)) ? ((p_s)->bufinfo.bufstate \
632 == BB_NOTNULLTERMINATED) : FALSE)
638 extern bool sRef_isFixedArray (sRef p_s) /*@*/;
640 extern long int sRef_getArraySize (sRef p_s) /*@*/;
642 extern /*@observer@*/ cstring sRef_ntMessage (sRef p_s);
643 /* end modifications */
646 # error "Multiple include"