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Making changes to try to support loops.
[splint.git] / src / Headers / uentry.h
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885824d3 1/*
2** Copyright (C) University of Virginia, Massachusetts Institue of Technology 1994-2000.
3** See ../LICENSE for license information.
4*/
5# ifndef UENTRY_H
6# define UENTRY_H
7# define CENTRY_H
8
9/*
10** universal symbol table entry
11** (combines old llentry, centry, and ttentry)
12*/
13
14/*
15** vkind --- need to fix value for consistency in dump files
16*/
17
18typedef struct _ucinfo
19{
20 /*@only@*/ multiVal val;
21 typeIdSet access;
22} *ucinfo;
23
24typedef enum
25{
26 VKSPEC = 0, VKNORMAL,
27 VKPARAM, VKYIELDPARAM, VKREFYIELDPARAM,
28 VKRETPARAM, VKREFPARAM,
29 VKSEFPARAM, VKREFSEFPARAM,
30 VKSEFRETPARAM, VKREFSEFRETPARAM,
31 VKEXPMACRO
32} vkind;
33
34/*@constant vkind VKFIRST;@*/
35# define VKFIRST VKSPEC
36
37/*@constant vkind VKLAST;@*/
38# define VKLAST VKEXPMACRO
39
40typedef enum
41{
42 CH_UNKNOWN,
43 CH_UNCHECKED,
44 CH_CHECKED,
45 CH_CHECKMOD,
46 CH_CHECKEDSTRICT
47} chkind;
48
1ac6313d 49/* start modifications */
50typedef enum _bbufstate {
51 BB_POSSIBLYNULLTERMINATED, /* buffer is possibly nullterm(can't decide statically) */
52 BB_NULLTERMINATED, /*buffer is known to be nullterminated */
53 BB_NOTNULLTERMINATED /* buffer is known to be not nullterm */
54} bbufstate;
55
56typedef struct _bbufinfo {
57 bbufstate bufstate; /* state of the buffer */
58 int size; /* size of the buffer allocated */
59 int len; /* len of the buffer VALID ONLY IF state is NULLTERM */
60} *bbufinfo ;
61
885824d3 62typedef struct _uvinfo
63{
64 vkind kind; /* kind (parameter, specified) */
65 chkind checked; /* how is it checked */
66 sstate defstate;
67 nstate nullstate;
1ac6313d 68 bbufinfo bufinfo; /* is valid only if the entry is a variable and (a pointer
69 or array) */
885824d3 70} *uvinfo ;
1ac6313d 71/* end modifications */
885824d3 72
73typedef struct _udinfo
74{
75 ynm abs;
76 ynm mut;
77 ctype type;
78} *udinfo ;
79
80/* information for specified functions */
81
82typedef enum
83{
84 SPC_NONE,
85 SPC_PRINTFLIKE,
86 SPC_SCANFLIKE,
87 SPC_MESSAGELIKE,
88 SPC_LAST
89} specCode;
90
91typedef struct _ufinfo
92{
93 qual nullPred;
94 specCode specialCode;
95 exitkind exitCode;
96 typeIdSet access; /* access types */
97
98 /*@owned@*/ globSet globs; /* globals list */
99 /*@owned@*/ sRefSet mods; /* modifies */
100
101 specialClauses specclauses;
102
103 /*@dependent@*/ uentryList defparams;
104 bool hasGlobs BOOLBITS;
105 bool hasMods BOOLBITS;
93307a76 106
107 constraintList preconditions;
ef2aa32a 108 constraintList postconditions;
93307a76 109
885824d3 110} *ufinfo ;
111
112typedef struct _uiinfo
113{
114 typeIdSet access;
115 /*@owned@*/ globSet globs; /* globals list */
116 /*@owned@*/ sRefSet mods; /* modifies */
117} *uiinfo ;
118
119typedef struct _ueinfo
120{
121 typeIdSet access;
122} *ueinfo ;
123
124typedef union _uinfo
125{
126 ucinfo uconst;
127 uvinfo var;
128 udinfo datatype;
129 ufinfo fcn;
130 uiinfo iter;
131 ueinfo enditer;
132} *uinfo ;
133
134struct _uentry
135{
136 ekind ukind;
137 cstring uname;
138 ctype utype;
139
140 fileloc whereSpecified;
141 fileloc whereDefined;
142 fileloc whereDeclared;
143
144 /* meaning of sref is different for:
145 ** variables current state
146 ** functions state of return value
147 ** types state of datatype
148 */
149 /*@exposed@*/ /*@null@*/ sRef sref;
150
151 /* Location list is complete only if showalluses is set. */
152 filelocList uses;
153
154 bool used BOOLBITS;
155 bool lset BOOLBITS; /* set in local table */
156 bool isPrivate BOOLBITS; /* specification only */
157 bool hasNameError BOOLBITS;
158
159 storageClassCode storageclass;
160 /*@relnull@*/ uinfo info; /* null for KELIPSMARKER, KINVALID */
161} ;
162
163/*
164** There is no uentry_isDefined to avoid confusion with
165** uentry_isCodeDefined (which was previously called
166** uentry_isDefined.
167*/
168
169extern /*@truenull@*/ bool uentry_isUndefined (/*@special@*/ uentry p_e)
170 /*@*/ ;
171extern /*@truenull@*/ bool uentry_isInvalid (/*@special@*/ uentry p_e)
172 /*@*/ ;
173extern /*@falsenull@*/ bool uentry_isValid (/*@special@*/ uentry p_e)
174 /*@*/ ;
175
176/*@constant null uentry uentry_undefined; @*/
177# define uentry_undefined ((uentry) NULL)
178
179# define uentry_isUndefined(e) ((e) == uentry_undefined)
180# define uentry_isValid(e) ((e) != uentry_undefined)
181# define uentry_isInvalid(e) ((e) == uentry_undefined)
182
183extern int uentry_compareStrict (uentry p_v1, uentry p_v2);
184
185/*@constant int PARAMUNKNOWN; @*/
186# define PARAMUNKNOWN -1
187
188extern bool uentry_isMaybeAbstract (uentry p_e) /*@*/ ;
189extern void uentry_setAbstract (uentry p_e) /*@modifies p_e@*/ ;
190extern void uentry_setConcrete (uentry p_e) /*@modifies p_e@*/ ;
191extern void uentry_setHasNameError (uentry p_ue) /*@modifies p_ue@*/ ;
192
193extern /*@falsenull@*/ bool uentry_isLset (/*@sef@*/ uentry p_e);
194# define uentry_isLset(e) \
195 (uentry_isValid(e) && (e)->lset)
196
197extern /*@falsenull@*/ bool uentry_isUsed (/*@sef@*/ uentry p_e);
198# define uentry_isUsed(e) (uentry_isValid(e) && (e)->used)
199
200extern /*@unused@*/ /*@falsenull@*/ bool
201 uentry_isAbstractType (uentry p_e) /*@*/ ;
202# define uentry_isAbstractType(e) (uentry_isAbstractDatatype(e))
203
204extern /*@falsenull@*/ bool uentry_isConstant (/*@sef@*/ uentry p_e) /*@*/ ;
205# define uentry_isConstant(e) \
206 (uentry_isValid(e) && ekind_isConst ((e)->ukind))
207
208extern /*@falsenull@*/ bool uentry_isEitherConstant (/*@sef@*/ uentry p_e) /*@*/ ;
209# define uentry_isEitherConstant(e) \
210 (uentry_isValid(e) && (ekind_isConst ((e)->ukind) || ekind_isEnumConst ((e)->ukind)))
211
212extern /*@falsenull@*/ bool uentry_isEnumConstant (/*@sef@*/ uentry p_e) /*@*/ ;
213# define uentry_isEnumConstant(e) \
214 (uentry_isValid(e) && ekind_isEnumConst ((e)->ukind))
215
216extern /*@falsenull@*/ bool uentry_isExternal (/*@sef@*/ uentry p_e) /*@*/ ;
217# define uentry_isExternal(c) \
218 (uentry_isValid(c) && fileloc_isExternal (uentry_whereDefined (c)))
219
220extern /*@falsenull@*/ bool uentry_isExtern (/*@sef@*/ uentry p_e) /*@*/ ;
221# define uentry_isExtern(c) \
222 (uentry_isValid(c) && (c)->storageclass == SCEXTERN)
223
224extern bool uentry_isForward (uentry p_e) /*@*/ ;
225
226extern /*@falsenull@*/ bool uentry_isFunction (/*@sef@*/ uentry p_e) /*@*/ ;
227# define uentry_isFunction(e) \
228 (uentry_isValid(e) && ekind_isFunction ((e)->ukind))
229
230extern /*@falsenull@*/ bool uentry_isPriv (/*@sef@*/ uentry p_e) /*@*/ ;
231# define uentry_isPriv(e) \
232 (uentry_isValid(e) && (e)->isPrivate)
233
234extern /*@falsenull@*/ bool uentry_isFileStatic (uentry p_ue) /*@*/ ;
235extern /*@falsenull@*/ bool uentry_isExported (uentry p_ue) /*@*/ ;
236
237extern /*@falsenull@*/ bool uentry_isStatic (/*@sef@*/ uentry p_e) /*@*/ ;
238# define uentry_isStatic(c) \
239 (uentry_isValid(c) && (c)->storageclass == SCSTATIC)
240
241extern void uentry_setLset (/*@sef@*/ uentry p_e);
242# define uentry_setLset(e) \
243 (uentry_isValid(e) ? (e)->lset = TRUE : TRUE)
244
245extern bool uentry_isSpecialFunction (uentry p_ue) /*@*/ ;
246extern bool uentry_isMessageLike (uentry p_ue) /*@*/ ;
247extern bool uentry_isScanfLike (uentry p_ue) /*@*/ ;
248extern bool uentry_isPrintfLike (uentry p_ue) /*@*/ ;
249
250extern void uentry_setMessageLike (uentry p_ue) /*@modifies p_ue@*/ ;
251extern void uentry_setScanfLike (uentry p_ue) /*@modifies p_ue@*/ ;
252extern void uentry_setPrintfLike (uentry p_ue) /*@modifies p_ue@*/ ;
253
254extern void uentry_checkName (uentry p_ue) /*@modifies g_msgstream, p_ue@*/ ;
255
256extern bool uentry_sameObject (uentry p_e1, uentry p_e2);
257# define uentry_sameObject(e1,e2) ((e1) == (e2))
258
259extern void uentry_addAccessType (uentry p_ue, typeId p_tid) /*@modifies p_ue@*/ ;
260
261extern void uentry_showWhereAny (uentry p_spec)
262 /*@modifies g_msgstream@*/ ;
263
264extern void uentry_checkParams (uentry p_ue);
265extern void uentry_mergeUses (uentry p_res, uentry p_other);
266extern void uentry_setExtern (uentry p_c);
267extern void uentry_setUsed (uentry p_e, fileloc p_loc);
268extern void uentry_setDefState (uentry p_ue, sstate p_defstate);
269
270extern void uentry_setNotUsed (/*@sef@*/ uentry p_e);
271# define uentry_setNotUsed(e) \
272 (uentry_isValid (e) ? (e)->used = FALSE : FALSE)
273
274extern bool uentry_wasUsed (/*@sef@*/ uentry p_e);
275# define uentry_wasUsed(e) \
276 (uentry_isValid (e) ? (e)->used : TRUE)
277
278extern void uentry_mergeConstantValue (uentry p_ue, /*@only@*/ multiVal p_m);
279
280extern /*@observer@*/ fileloc uentry_whereEarliest (uentry p_e) /*@*/ ;
281extern /*@observer@*/ cstring uentry_rawName (uentry p_e) /*@*/ ;
282extern /*@observer@*/ fileloc uentry_whereDeclared (uentry p_e) /*@*/ ;
283extern bool uentry_equiv (uentry p_p1, uentry p_p2) /*@*/ ;
284extern /*@falsenull@*/ bool uentry_hasName (uentry p_e) /*@*/ ;
285extern /*@falsenull@*/ bool uentry_hasRealName (uentry p_e) /*@*/ ;
286extern /*@falsenull@*/ bool uentry_isAbstractDatatype (uentry p_e) /*@*/ ;
287extern /*@falsenull@*/ bool uentry_isAnyTag (/*@special@*/ uentry p_ue)
288 /*@uses p_ue->ukind@*/
289 /*@*/ ;
290extern /*@falsenull@*/ bool uentry_isDatatype (uentry p_e) /*@*/ ;
291
292extern /*@falsenull@*/ bool uentry_isCodeDefined (uentry p_e) /*@*/ ;
293
294extern /*@falsenull@*/ bool uentry_isDeclared (/*@special@*/ uentry p_e)
295 /*@uses p_e->whereDeclared@*/ /*@*/ ;
296
297extern /*@observer@*/ cstring uentry_ekindName (uentry p_ue) /*@*/ ;
298extern void uentry_showWhereDefined (uentry p_spec);
299extern /*@falsenull@*/ bool uentry_isEndIter (uentry p_e) /*@*/ ;
300extern /*@falsenull@*/ bool uentry_isEnumTag (/*@special@*/ uentry p_ue)
301 /*@uses p_ue->ukind@*/ /*@*/ ;
302extern /*@falsenull@*/ bool uentry_isFakeTag (uentry p_e) /*@*/ ;
303extern /*@falsenull@*/ bool uentry_isIter (uentry p_e) /*@*/ ;
304extern /*@falsenull@*/ bool uentry_isMutableDatatype (uentry p_e) /*@*/ ;
305extern /*@falsenull@*/ bool uentry_isParam (uentry p_u) /*@*/ ;
306extern /*@falsenull@*/ bool uentry_isExpandedMacro (uentry p_u) /*@*/ ;
307extern /*@falsenull@*/ bool uentry_isSefParam (uentry p_u) /*@*/ ;
308extern /*@falsenull@*/ bool uentry_isAnyParam (/*@special@*/ uentry p_u)
309 /*@uses p_u->ukind, p_u->info@*/
310 /*@*/ ;
311
312extern /*@falsenull@*/ bool uentry_isRealFunction (uentry p_e) /*@*/ ;
313extern /*@falsenull@*/ bool uentry_isSpecified (uentry p_e) /*@*/ ;
314
315extern /*@falsenull@*/ bool uentry_isStructTag (/*@special@*/ uentry p_ue)
316 /*@uses p_ue->ukind@*/ /*@*/ ;
317extern /*@falsenull@*/ bool uentry_isUnionTag (/*@special@*/ uentry p_ue)
318 /*@uses p_ue->ukind@*/ /*@*/ ;
319
320extern /*@falsenull@*/ bool uentry_isVar (/*@special@*/ uentry p_e)
321 /*@uses p_e->ukind@*/
322 /*@*/ ;
323
324extern /*@falsenull@*/ bool uentry_isVariable (/*@special@*/ uentry p_e)
325 /*@uses p_e->ukind@*/
326 /*@*/ ;
327
328extern cstring uentry_dump (uentry p_v) ;
329extern cstring uentry_dumpParam (uentry p_v);
330extern cstring uentry_getName (/*@special@*/ uentry p_e)
331 /*@uses p_e->ukind, p_e->info, p_e->uname@*/
332 /*@*/ ;
333
334extern cstring uentry_unparse (uentry p_v) /*@*/ ;
335extern cstring uentry_unparseAbbrev (uentry p_v) /*@*/ ;
336extern cstring uentry_unparseFull (uentry p_v) /*@*/ ;
337extern void uentry_setMutable (uentry p_e) /*@modifies p_e@*/ ;
338extern ctype uentry_getAbstractType (uentry p_e) /*@*/ ;
339extern ctype uentry_getRealType (uentry p_e) /*@globals internalState@*/ ;
340extern ctype uentry_getType (uentry p_e) /*@*/ ;
341extern ekind uentry_getKind (uentry p_e) /*@*/ ;
342extern /*@observer@*/ fileloc uentry_whereDefined (uentry p_e) /*@*/ ;
343extern /*@observer@*/ fileloc uentry_whereSpecified (uentry p_e) /*@*/ ;
344extern int uentry_compare (uentry p_u1, uentry p_u2);
345extern /*@exposed@*/ sRef uentry_getSref (/*@temp@*/ uentry p_e) /*@*/ ;
346extern /*@observer@*/ sRefSet uentry_getMods (uentry p_l) /*@*/ ;
347extern typeIdSet uentry_accessType (uentry p_e) /*@*/ ;
348extern /*@observer@*/ fileloc uentry_whereEither (uentry p_e) /*@*/ ;
349extern /*@notnull@*/ uentry uentry_makeExpandedMacro (cstring p_s,
350 /*@temp@*/ fileloc p_f)
351 /*@*/ ;
352
353extern void uentry_checkMatchParam (uentry p_u1, uentry p_u2, int p_paramno, exprNode p_e) /*@modifies g_msgstream@*/ ;
354
355extern /*@observer@*/ specialClauses uentry_getSpecialClauses (uentry p_ue) /*@*/ ;
356
357extern void uentry_showWhereLastExtra (uentry p_spec, /*@only@*/ cstring p_extra)
358 /*@modifies g_msgstream@*/ ;
359
360# ifndef NOLCL
361extern void uentry_setRefCounted (uentry p_e);
362
363extern /*@notnull@*/ /*@only@*/ uentry uentry_makeUnnamedVariable (ctype p_t);
364
365extern /*@notnull@*/ uentry
366 uentry_makeUnspecFunction (cstring p_n, ctype p_t, typeIdSet p_access,
367 /*@keep@*/ fileloc p_f);
368
369extern /*@notnull@*/ uentry
370 uentry_makePrivFunction2 (cstring p_n, ctype p_t,
371 typeIdSet p_access,
372 /*@only@*/ globSet p_globs,
373 /*@only@*/ sRefSet p_mods, /*@keep@*/ fileloc p_f);
374
375extern /*@notnull@*/ uentry
376 uentry_makeSpecEnumConstant (cstring p_n, ctype p_t, /*@keep@*/ fileloc p_loc) /*@*/ ;
377
378extern /*@notnull@*/ uentry
379 uentry_makeEnumTag (cstring p_n, ctype p_t, /*@only@*/ fileloc p_loc) /*@*/ ;
380
381extern /*@notnull@*/ uentry
382 uentry_makeTypeListFunction (cstring p_n, typeIdSet p_access, /*@only@*/ fileloc p_f)
383 /*@*/ ;
384
385extern /*@notnull@*/ uentry
386 uentry_makeSpecFunction (cstring p_n, ctype p_t,
387 typeIdSet p_access, /*@only@*/ globSet p_globs,
388 /*@only@*/ sRefSet p_mods, /*@keep@*/ fileloc p_f);
389# endif
390
391extern /*@notnull@*/ uentry
392 uentry_makeEnumConstant (cstring p_n, ctype p_t) /*@*/ ;
393
394extern /*@notnull@*/ uentry
395 uentry_makeEnumInitializedConstant (cstring p_n, ctype p_t, exprNode p_expr) /*@*/ ;
396
397extern /*@notnull@*/ /*@only@*/ uentry
398 uentry_makeConstant (/*@temp@*/ cstring p_n, ctype p_t, /*@keep@*/ fileloc p_f)
399 /*@*/ ;
400extern /*@notnull@*/ /*@only@*/ uentry
401 uentry_makeConstantAux (/*@temp@*/ cstring p_n, ctype p_t,
402 /*@keep@*/ fileloc p_f, bool p_priv,
403 /*@only@*/ multiVal p_m) /*@*/ ;
404extern /*@notnull@*/ /*@only@*/ uentry
405 uentry_makeDatatype (/*@temp@*/ cstring p_n, ctype p_t, ynm p_mut, ynm p_abs,
406 /*@only@*/ fileloc p_f) /*@*/ ;
407extern /*@notnull@*/ /*@only@*/ uentry
408 uentry_makeDatatypeAux (/*@temp@*/ cstring p_n, ctype p_t, ynm p_mut,
409 ynm p_abs, /*@keep@*/ fileloc p_f, bool p_priv) /*@*/ ;
410extern /*@notnull@*/ uentry uentry_makeElipsisMarker (void) /*@*/ ;
411
412extern void uentry_makeVarFunction (/*@temp@*/ uentry p_ue) /*@modifies p_ue@*/ ;
413
414extern bool uentry_isElipsisMarker (/*@sef@*/ uentry p_u) /*@*/ ;
415# define uentry_isElipsisMarker(u) \
416 (uentry_isValid(u) && ekind_isElipsis ((u)->ukind))
417
418extern /*@notnull@*/ uentry
419 uentry_makeEndIter (cstring p_n, /*@only@*/ fileloc p_f) /*@*/ ;
420extern /*@notnull@*/ uentry
421 uentry_makeEnumTagLoc (cstring p_n, ctype p_t) /*@*/ ;
422extern /*@notnull@*/ uentry
423 uentry_makeForwardFunction (cstring p_n, typeId p_access, /*@temp@*/ fileloc p_f) /*@*/ ;
424
425extern /*@notnull@*/ uentry
426 uentry_makeFunction (cstring p_n, ctype p_t,
427 typeId p_access,
428 /*@only@*/ globSet p_globs, /*@only@*/ sRefSet p_mods,
429 /*@only@*/ fileloc p_f);
430
431extern /*@notnull@*/ uentry
432 uentry_makeIter (cstring p_n, ctype p_ct, /*@only@*/ fileloc p_f) /*@*/ ;
433extern /*@notnull@*/ uentry
434 uentry_makeParam (idDecl p_t, int p_i) /*@*/ ;
435
436extern /*@notnull@*/ uentry
437 uentry_makeStructTag (cstring p_n, ctype p_t, /*@only@*/ fileloc p_loc);
438extern /*@notnull@*/ uentry
439 uentry_makeStructTagLoc (cstring p_n, ctype p_t);
440extern /*@notnull@*/ uentry
441 uentry_makeUnionTag (cstring p_n, ctype p_t, /*@only@*/ fileloc p_loc);
442extern /*@notnull@*/ uentry
443 uentry_makeUnionTagLoc (cstring p_n, ctype p_t);
444extern /*@notnull@*/ uentry
445 uentry_makeVariable (cstring p_n, ctype p_t, /*@keep@*/ fileloc p_f, bool p_isPriv);
446extern /*@notnull@*/ /*@only@*/ uentry
447 uentry_makeVariableLoc (cstring p_n, ctype p_t);
448
449# ifndef NOLCL
450extern /*@notnull@*/ /*@only@*/
451 uentry uentry_makeVariableParam (cstring p_n, ctype p_t);
452# endif
453
454extern /*@notnull@*/ /*@only@*/
455 uentry uentry_makeVariableSrefParam (cstring p_n, ctype p_t,
456 sRef p_s);
457extern /*@notnull@*/ /*@only@*/
458 uentry uentry_makeIdFunction (idDecl p_id);
459extern /*@notnull@*/ /*@only@*/
460 uentry uentry_makeIdDatatype (idDecl p_id);
461extern /*@notnull@*/ /*@only@*/
462 uentry uentry_makeBoolDatatype (ynm p_abs);
463extern void uentry_mergeDefinition (uentry p_old, /*@only@*/ uentry p_unew);
464extern void uentry_mergeEntries (uentry p_spec, /*@only@*/ uentry p_def);
465extern uentry uentry_nameCopy (/*@only@*/ cstring p_name, uentry p_e);
466extern uentry uentry_undump (ekind p_kind, fileloc p_loc, char **p_s);
467extern /*@observer@*/ uentryList uentry_getParams (uentry p_l) /*@*/ ;
468extern void uentry_resetParams (uentry p_ue, /*@only@*/ uentryList p_pn)
469 /*@modifies p_ue@*/ ;
470extern /*@observer@*/ globSet uentry_getGlobs (uentry p_l) /*@*/ ;
471extern qual uentry_nullPred (uentry p_u);
472extern void uentry_free (/*@only@*/ /*@only@*/ uentry p_e);
473extern void uentry_setDatatype (uentry p_e, usymId p_uid);
474
475extern void uentry_setDefined (/*@special@*/ uentry p_e, fileloc p_f)
476 /*@uses p_e->whereDefined, p_e->ukind, p_e->uname, p_e->info@*/
477 /*@modifies p_e@*/ ;
478
479extern void uentry_checkDecl (void);
480extern void uentry_clearDecl (void);
481extern void uentry_setDeclared (uentry p_e, fileloc p_f);
482extern void uentry_setDeclaredOnly (uentry p_e, /*@only@*/ fileloc p_f);
483extern void uentry_setDeclaredForceOnly (uentry p_e, /*@only@*/ fileloc p_f);
484extern void uentry_setFunctionDefined (uentry p_e, fileloc p_loc);
485extern void uentry_setName (uentry p_e, /*@only@*/ cstring p_n);
486extern void uentry_setParam (uentry p_e);
487extern void uentry_setSref (uentry p_e, /*@exposed@*/ sRef p_s);
488extern void uentry_setStatic (uentry p_c);
489
490extern void uentry_setModifies (uentry p_ue, /*@owned@*/ sRefSet p_sr)
491 /*@modifies p_ue, p_sr@*/;
492
493extern void uentry_setSpecialClauses (uentry p_ue, /*@only@*/ specialClauses p_clauses)
494 /*@modifies p_ue@*/ ;
495
496extern void uentry_setType (uentry p_e, ctype p_t);
497
498extern /*@unused@*/ /*@observer@*/ cstring uentry_checkedName (uentry p_ue);
499extern void uentry_showWhereLastPlain (uentry p_spec) /*@modifies g_msgstream@*/ ;
500
501extern void
502 uentry_showWhereSpecifiedExtra (uentry p_spec, /*@only@*/ cstring p_s)
503 /*@modifies g_msgstream@*/ ;
504
505extern void uentry_showWhereSpecified (uentry p_spec) /*@modifies g_msgstream@*/ ;
506extern void uentry_showWhereLast (uentry p_spec) /*@modifies g_msgstream@*/ ;
507extern void uentry_showWhereDeclared (uentry p_spec) /*@modifies g_msgstream@*/ ;
508
509extern /*@notnull@*/ /*@only@*/ uentry uentry_makeIdVariable (idDecl p_t) /*@*/ ;
510extern uentry uentry_copy (uentry p_e) /*@*/ ;
511extern void uentry_freeComplete (/*@only@*/ uentry p_e) ;
512extern void uentry_clearDefined (uentry p_e) /*@modifies p_e@*/;
513extern /*@observer@*/ cstring uentry_specDeclName (uentry p_u) /*@*/ ;
514
515extern void
516 uentry_mergeState (uentry p_res, uentry p_other, fileloc p_loc,
517 bool p_mustReturn, bool p_flip, bool p_opt,
518 clause p_cl) /*@modifies p_res, p_other@*/ ;
519
520extern void uentry_setState (uentry p_res, uentry p_other)
521 /*@modifies p_res, p_other@*/ ;
522
523extern void uentry_setRefParam (uentry p_e) /*@modifies p_e@*/ ;
524
525extern void uentry_setDeclaredForce (uentry p_e, fileloc p_f) /*@modifies p_e@*/;
526extern bool uentry_isNonLocal (uentry p_ue) /*@*/ ;
527extern bool uentry_isGlobal (uentry p_ue) /*@*/;
528extern bool uentry_isRefParam (uentry p_u) /*@*/ ;
529extern bool uentry_hasGlobs (uentry p_ue) /*@*/ ;
530extern bool uentry_hasMods (uentry p_ue) /*@*/ ;
531
532extern bool uentry_hasSpecialClauses (uentry p_ue) /*@*/ ;
533extern exitkind uentry_getExitCode (uentry p_ue) /*@*/ ;
534
535extern void uentry_checkYieldParam (uentry p_old, uentry p_unew);
536extern bool uentry_isOnly (uentry p_ue) /*@*/ ;
537extern bool uentry_isUnique (uentry p_ue) /*@*/ ;
538extern void uentry_reflectQualifiers (uentry p_ue, qualList p_q) /*@modifies p_ue@*/;
539extern bool uentry_isOut (uentry p_u) /*@*/ ;
540extern bool uentry_isPartial (uentry p_u) /*@*/ ;
541extern bool uentry_isStateSpecial (uentry p_u) /*@*/ ;
542extern bool uentry_possiblyNull (uentry p_u) /*@*/ ;
543extern ctype uentry_getForceRealType (uentry p_e) /*@globals internalState@*/ ;
544extern alkind uentry_getAliasKind (uentry p_u) /*@*/ ;
545extern exkind uentry_getExpKind (uentry p_u) /*@*/ ;
546extern /*@observer@*/ multiVal uentry_getConstantValue (uentry p_e) /*@*/ ;
547extern void uentry_fixupSref (uentry p_ue) /*@modifies p_ue@*/ ;
548extern void uentry_setGlobals (uentry p_ue, /*@owned@*/ globSet p_globs) /*@modifies p_ue@*/ ;
549extern bool uentry_isYield (uentry p_ue) /*@*/ ;
550extern /*@notnull@*/ uentry uentry_makeIdConstant (idDecl p_t) /*@*/ ;
551extern /*@observer@*/ cstring uentry_getRealName (uentry p_e) /*@*/ ;
552extern int uentry_xcomparealpha (uentry *p_p1, uentry *p_p2) /*@*/ ;
553extern int uentry_xcompareuses (uentry *p_p1, uentry *p_p2) /*@*/ ;
554extern /*@observer@*/ cstring uentry_specOrDefName (uentry p_u) /*@*/ ;
555extern void uentry_copyState (uentry p_res, uentry p_other);
556extern bool uentry_sameKind (uentry p_u1, uentry p_u2);
557extern /*@exposed@*/ sRef uentry_returnedRef (uentry p_u, exprNodeList p_args);
558extern bool uentry_isReturned (uentry p_u);
559extern bool uentry_isRefCountedDatatype (uentry p_e);
560extern sstate uentry_getDefState (uentry p_u);
561extern /*@unused@*/ void uentry_markFree (/*@owned@*/ uentry p_u);
562extern /*@dependent@*/ sRef uentry_getOrigSref (uentry p_e);
563extern void uentry_destroyMod (void) /*@modifies internalState@*/;
564extern void uentry_showDefSpecInfo (uentry p_ce, fileloc p_fwhere);
565extern void uentry_markOwned (/*@owned@*/ uentry p_u);
566
567extern /*@observer@*/ fileloc uentry_whereLast (uentry p_e) /*@*/ ;
568extern void uentry_setParamNo (uentry p_ue, int p_pno) /*@modifies p_ue@*/;
569
570extern /*@observer@*/ filelocList uentry_getUses (/*@sef@*/ uentry p_e) /*@*/ ;
571# define uentry_getUses(u) (uentry_isValid (u) ? (u)->uses : filelocList_undefined)
572
573extern bool uentry_isCheckedUnknown (uentry p_ue) /*@*/ ;
574extern bool uentry_isCheckedModify (uentry p_ue) /*@*/ ;
575extern bool uentry_isUnchecked (uentry p_ue) /*@*/ ;
576extern bool uentry_isChecked (uentry p_ue) /*@*/ ;
577extern bool uentry_isCheckMod (uentry p_ue) /*@*/ ;
578extern bool uentry_isCheckedStrict (uentry p_ue) /*@*/ ;
579extern void uentry_setUnchecked (uentry p_ue) /*@modifies p_ue@*/ ;
580extern void uentry_setChecked (uentry p_ue) /*@modifies p_ue@*/ ;
581extern void uentry_setCheckMod (uentry p_ue) /*@modifies p_ue@*/ ;
582extern void uentry_setCheckedStrict (uentry p_ue) /*@modifies p_ue@*/ ;
583
584extern bool uentry_hasAccessType (uentry p_e);
585
586extern /*@exposed@*/ uentry uentry_makeUnrecognized (cstring p_c, /*@keep@*/ fileloc p_loc);
587
1ac6313d 588
589/* start modifications */
11ed4f45 590//extern void uentry_setBufferSize (uentry p_e, exprNode cconstant);
591
1ac6313d 592/* functions for making modification to null-term info */
593extern void uentry_setNullTerminatedState (uentry p_e);
594extern void uentry_setPossiblyNullTerminatedState (uentry p_e);
595extern void uentry_setNotNullTerminated (uentry p_e);
4cccc6ad 596extern void uentry_setSize(uentry p_e, int p_size);
597extern void uentry_setLen(uentry p_e, int p_len);
1ac6313d 598
4cccc6ad 599/*@i66*/
600/*@-nullderef@*/
1ac6313d 601extern bool uentry_hasBufStateInfo (uentry p_ue);
602# define uentry_hasBufStateInfo(p_ue) \
603 (((p_ue)->info->var->bufinfo != NULL) ? TRUE : FALSE)
604
4cccc6ad 605extern bool uentry_isNullTerminated(/*@sef@*/uentry p_ue);
1ac6313d 606# define uentry_isNullTerminated(p_ue) \
4cccc6ad 607 ( uentry_hasBufStateInfo( (p_ue ) ) ? ( (p_ue)->info->var->bufinfo->bufstate \
1ac6313d 608 == BB_NULLTERMINATED) : FALSE)
609
4cccc6ad 610extern bool uentry_isPossiblyNullTerminated( /*@sef@*/ uentry p_ue);
1ac6313d 611# define uentry_isPossiblyNullTerminated(p_ue) \
4cccc6ad 612 ( uentry_hasBufStateInfo((p_ue)) ? ( (p_ue)->info->var->bufinfo->bufstate \
1ac6313d 613 == BB_POSSIBLYNULLTERMINATED) : FALSE)
614
4cccc6ad 615extern bool uentry_isNotNullTerminated( /*@sef@*/ uentry p_ue);
1ac6313d 616# define uentry_isNotNullTerminated(p_ue) \
4cccc6ad 617 ( uentry_hasBufStateInfo( (p_ue) ) ? ( (p_ue)->info->var->bufinfo->bufstate \
1ac6313d 618 == BB_NOTNULLTERMINATED) : FALSE)
4cccc6ad 619/*@=nullderef@*/
1ac6313d 620
621/* end modifications */
622
885824d3 623# ifdef DOANNOTS
624typedef enum { AN_UNKNOWN, AN_FCNRETURN, AN_FCNPARAM, AN_SUFIELD, AN_TDEFN, AN_GSVAR,
625 AN_CONST, AN_LAST
626 } ancontext;
627
628extern void initAnnots ();
629extern void printAnnots (void);
630extern void uentry_tallyAnnots (uentry u, ancontext kind);
631# endif /* DOANNOTS */
632
4cccc6ad 633/* start modifications */
634extern void uentry_setBufferSize (uentry p_e, exprNode p_cconstant);
93307a76 635/*drl7x*/
ef2aa32a 636extern constraintList uentry_getFcnPreconditions (uentry ue);
637extern constraintList uentry_getFcnPostconditions (uentry ue);
93307a76 638 /*end mods*/
4cccc6ad 639
885824d3 640# else
641# error "Multiple include"
642# endif
643
644
645
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