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[splint.git] / src / Headers / uentry.h
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1/*
2** Copyright (C) University of Virginia, Massachusetts Institue of Technology 1994-2001.
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
19{
20 typeIdSet access;
21 bool macro;
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
49/* start modifications */
50typedef enum {
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 /*@null@*/ struct s_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
62typedef struct
63{
64 vkind kind; /* kind (parameter, specified) */
65 chkind checked; /* how is it checked */
66 sstate defstate;
67 nstate nullstate;
68 bbufinfo bufinfo; /* is valid only if the entry is a variable and (a pointer
69 or array) */
70} *uvinfo ;
71/* end modifications */
72
73typedef struct
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
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 stateClauseList specclauses;
102
103 /*@dependent@*/ uentryList defparams;
104 bool hasGlobs BOOLBITS;
105 bool hasMods BOOLBITS;
106
107 functionConstraint preconditions;
108 functionConstraint postconditions;
109
110} *ufinfo ;
111
112typedef struct
113{
114 typeIdSet access;
115 /*@owned@*/ globSet globs; /* globals list */
116 /*@owned@*/ sRefSet mods; /* modifies */
117} *uiinfo ;
118
119typedef struct
120{
121 typeIdSet access;
122} *ueinfo ;
123
124typedef union
125{
126 ucinfo uconst;
127 uvinfo var;
128 udinfo datatype;
129 ufinfo fcn;
130 uiinfo iter;
131 ueinfo enditer;
132} *uinfo ;
133
134struct s_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
150 /*@exposed@*/ /*@null@*/ sRef sref;
151
152 warnClause warn;
153
154 /* Location list is complete only if showalluses is set. */
155 filelocList uses;
156
157 bool used BOOLBITS;
158 bool lset BOOLBITS; /* set in local table */
159 bool isPrivate BOOLBITS; /* specification only */
160 bool hasNameError BOOLBITS;
161
162 storageClassCode storageclass;
163 /*@relnull@*/ uinfo info; /* null for KELIPSMARKER, KINVALID */
164
165 qualList cQuals; /*drl 04-19-2002 stores c qualifiers. THis was neccessary to get the
166 function to print out right as C quals are not stored anywhere else*/
167} ;
168
169/*
170** There is no uentry_isDefined to avoid confusion with
171** uentry_isCodeDefined (which was previously called
172** uentry_isDefined).
173*/
174
175extern /*@nullwhentrue@*/ bool uentry_isUndefined (/*@special@*/ uentry p_e)
176 /*@*/ ;
177extern /*@nullwhentrue@*/ bool uentry_isInvalid (/*@special@*/ uentry p_e)
178 /*@*/ ;
179extern /*@falsewhennull@*/ bool uentry_isValid (/*@special@*/ uentry p_e)
180 /*@*/ ;
181
182/*@constant null uentry uentry_undefined; @*/
183# define uentry_undefined ((uentry) NULL)
184
185# define uentry_isUndefined(e) ((e) == uentry_undefined)
186# define uentry_isValid(e) ((e) != uentry_undefined)
187# define uentry_isInvalid(e) ((e) == uentry_undefined)
188
189extern int uentry_compareStrict (uentry p_v1, uentry p_v2);
190
191/*@constant int PARAMUNKNOWN; @*/
192# define PARAMUNKNOWN -1
193
194extern bool uentry_isMaybeAbstract (uentry p_e) /*@*/ ;
195extern void uentry_setAbstract (uentry p_e) /*@modifies p_e@*/ ;
196extern void uentry_setConcrete (uentry p_e) /*@modifies p_e@*/ ;
197extern void uentry_setHasNameError (uentry p_ue) /*@modifies p_ue@*/ ;
198
199extern /*@falsewhennull@*/ bool uentry_isLset (/*@sef@*/ uentry p_e);
200# define uentry_isLset(e) \
201 (uentry_isValid(e) && (e)->lset)
202
203extern /*@falsewhennull@*/ bool uentry_isUsed (/*@sef@*/ uentry p_e);
204# define uentry_isUsed(e) (uentry_isValid(e) && (e)->used)
205
206extern /*@unused@*/ /*@falsewhennull@*/ bool
207 uentry_isAbstractType (uentry p_e) /*@*/ ;
208# define uentry_isAbstractType(e) (uentry_isAbstractDatatype(e))
209
210extern /*@falsewhennull@*/ bool uentry_isConstant (/*@sef@*/ uentry p_e) /*@*/ ;
211# define uentry_isConstant(e) \
212 (uentry_isValid(e) && ekind_isConst ((e)->ukind))
213
214extern /*@falsewhennull@*/ bool uentry_isEitherConstant (/*@sef@*/ uentry p_e) /*@*/ ;
215# define uentry_isEitherConstant(e) \
216 (uentry_isValid(e) && (ekind_isConst ((e)->ukind) || ekind_isEnumConst ((e)->ukind)))
217
218extern /*@falsewhennull@*/ bool uentry_isEnumConstant (/*@sef@*/ uentry p_e) /*@*/ ;
219# define uentry_isEnumConstant(e) \
220 (uentry_isValid(e) && ekind_isEnumConst ((e)->ukind))
221
222extern /*@falsewhennull@*/ bool uentry_isExternal (/*@sef@*/ uentry p_e) /*@*/ ;
223# define uentry_isExternal(c) \
224 (uentry_isValid(c) && fileloc_isExternal (uentry_whereDefined (c)))
225
226extern /*@falsewhennull@*/ bool uentry_isExtern (/*@sef@*/ uentry p_e) /*@*/ ;
227# define uentry_isExtern(c) \
228 (uentry_isValid(c) && (c)->storageclass == SCEXTERN)
229
230extern bool uentry_isForward (uentry p_e) /*@*/ ;
231
232extern /*@falsewhennull@*/ bool uentry_isFunction (/*@sef@*/ uentry p_e) /*@*/ ;
233# define uentry_isFunction(e) \
234 (uentry_isValid(e) && ekind_isFunction ((e)->ukind))
235
236extern /*@falsewhennull@*/ bool uentry_isPriv (/*@sef@*/ uentry p_e) /*@*/ ;
237# define uentry_isPriv(e) \
238 (uentry_isValid(e) && (e)->isPrivate)
239
240extern /*@falsewhennull@*/ bool uentry_isFileStatic (uentry p_ue) /*@*/ ;
241extern /*@falsewhennull@*/ bool uentry_isExported (uentry p_ue) /*@*/ ;
242
243extern /*@falsewhennull@*/ bool uentry_isStatic (/*@sef@*/ uentry p_e) /*@*/ ;
244# define uentry_isStatic(c) \
245 (uentry_isValid(c) && (c)->storageclass == SCSTATIC)
246
247extern void uentry_setLset (/*@sef@*/ uentry p_e);
248# define uentry_setLset(e) \
249 (uentry_isValid(e) ? (e)->lset = TRUE : TRUE)
250
251extern bool uentry_isSpecialFunction (uentry p_ue) /*@*/ ;
252extern bool uentry_isMessageLike (uentry p_ue) /*@*/ ;
253extern bool uentry_isScanfLike (uentry p_ue) /*@*/ ;
254extern bool uentry_isPrintfLike (uentry p_ue) /*@*/ ;
255
256extern void uentry_setMessageLike (uentry p_ue) /*@modifies p_ue@*/ ;
257extern void uentry_setScanfLike (uentry p_ue) /*@modifies p_ue@*/ ;
258extern void uentry_setPrintfLike (uentry p_ue) /*@modifies p_ue@*/ ;
259
260extern void uentry_checkName (uentry p_ue) /*@modifies g_warningstream, p_ue@*/ ;
261
262extern bool uentry_sameObject (uentry p_e1, uentry p_e2);
263# define uentry_sameObject(e1,e2) ((e1) == (e2))
264
265extern void uentry_addAccessType (uentry p_ue, typeId p_tid) /*@modifies p_ue@*/ ;
266
267extern void uentry_showWhereAny (uentry p_spec)
268 /*@modifies g_warningstream@*/ ;
269
270extern void uentry_checkParams (uentry p_ue);
271extern void uentry_mergeUses (uentry p_res, uentry p_other);
272extern void uentry_setExtern (uentry p_c);
273extern void uentry_setUsed (uentry p_e, fileloc p_loc);
274extern void uentry_setDefState (uentry p_ue, sstate p_defstate);
275
276extern void uentry_setNotUsed (/*@sef@*/ uentry p_e);
277# define uentry_setNotUsed(e) \
278 (uentry_isValid (e) ? (e)->used = FALSE : FALSE)
279
280extern bool uentry_wasUsed (/*@sef@*/ uentry p_e);
281# define uentry_wasUsed(e) \
282 (uentry_isValid (e) ? (e)->used : TRUE)
283
284extern void uentry_mergeConstantValue (uentry p_ue, /*@only@*/ multiVal p_m);
285
286extern /*@observer@*/ fileloc uentry_whereEarliest (uentry p_e) /*@*/ ;
287extern /*@observer@*/ cstring uentry_rawName (uentry p_e) /*@*/ ;
288extern /*@observer@*/ fileloc uentry_whereDeclared (uentry p_e) /*@*/ ;
289extern bool uentry_equiv (uentry p_p1, uentry p_p2) /*@*/ ;
290extern /*@falsewhennull@*/ bool uentry_hasName (uentry p_e) /*@*/ ;
291extern /*@falsewhennull@*/ bool uentry_hasRealName (uentry p_e) /*@*/ ;
292extern /*@falsewhennull@*/ bool uentry_isAbstractDatatype (uentry p_e) /*@*/ ;
293extern /*@falsewhennull@*/ bool uentry_isAnyTag (/*@special@*/ uentry p_ue)
294 /*@uses p_ue->ukind@*/
295 /*@*/ ;
296extern /*@falsewhennull@*/ bool uentry_isDatatype (uentry p_e) /*@*/ ;
297
298extern /*@falsewhennull@*/ bool uentry_isCodeDefined (uentry p_e) /*@*/ ;
299
300extern /*@falsewhennull@*/ bool uentry_isDeclared (/*@special@*/ uentry p_e)
301 /*@uses p_e->whereDeclared@*/ /*@*/ ;
302
303extern /*@observer@*/ cstring uentry_ekindName (uentry p_ue) /*@*/ ;
304extern /*@observer@*/ cstring uentry_ekindNameLC (uentry p_ue) /*@*/ ;
305
306extern void uentry_showWhereDefined (uentry p_spec);
307extern /*@falsewhennull@*/ bool uentry_isEndIter (uentry p_e) /*@*/ ;
308extern /*@falsewhennull@*/ bool uentry_isEnumTag (/*@special@*/ uentry p_ue)
309 /*@uses p_ue->ukind@*/ /*@*/ ;
310extern /*@falsewhennull@*/ bool uentry_isFakeTag (uentry p_e) /*@*/ ;
311extern /*@falsewhennull@*/ bool uentry_isIter (uentry p_e) /*@*/ ;
312extern /*@falsewhennull@*/ bool uentry_isMutableDatatype (uentry p_e) /*@*/ ;
313extern /*@falsewhennull@*/ bool uentry_isParam (uentry p_u) /*@*/ ;
314extern /*@falsewhennull@*/ bool uentry_isExpandedMacro (uentry p_u) /*@*/ ;
315extern /*@falsewhennull@*/ bool uentry_isSefParam (uentry p_u) /*@*/ ;
316extern /*@falsewhennull@*/ bool uentry_isAnyParam (/*@special@*/ uentry p_u)
317 /*@uses p_u->ukind, p_u->info@*/
318 /*@*/ ;
319
320extern /*@falsewhennull@*/ bool uentry_isRealFunction (uentry p_e) /*@*/ ;
321extern /*@falsewhennull@*/ bool uentry_isSpecified (uentry p_e) /*@*/ ;
322
323extern /*@falsewhennull@*/ bool uentry_isStructTag (/*@special@*/ uentry p_ue)
324 /*@uses p_ue->ukind@*/ /*@*/ ;
325extern /*@falsewhennull@*/ bool uentry_isUnionTag (/*@special@*/ uentry p_ue)
326 /*@uses p_ue->ukind@*/ /*@*/ ;
327
328extern /*@falsewhennull@*/ bool uentry_isVar (/*@special@*/ uentry p_e)
329 /*@uses p_e->ukind@*/
330 /*@*/ ;
331
332extern /*@falsewhennull@*/ bool uentry_isVariable (/*@special@*/ uentry p_e)
333 /*@uses p_e->ukind@*/
334 /*@*/ ;
335
336extern cstring uentry_dump (uentry p_v) ;
337extern cstring uentry_dumpParam (uentry p_v);
338
339extern /*@observer@*/ cstring uentry_observeRealName (uentry p_e) /*@*/ ;
340
341extern cstring uentry_getName (/*@special@*/ uentry p_e)
342 /*@uses p_e->ukind, p_e->info, p_e->uname@*/
343 /*@*/ ;
344
345extern cstring uentry_unparse (uentry p_v) /*@*/ ;
346extern cstring uentry_unparseAbbrev (uentry p_v) /*@*/ ;
347extern cstring uentry_unparseFull (uentry p_v) /*@*/ ;
348extern void uentry_setMutable (uentry p_e) /*@modifies p_e@*/ ;
349extern ctype uentry_getAbstractType (uentry p_e) /*@*/ ;
350extern ctype uentry_getRealType (uentry p_e) /*@globals internalState@*/ ;
351extern ctype uentry_getType (uentry p_e) /*@*/ ;
352extern ekind uentry_getKind (uentry p_e) /*@*/ ;
353extern /*@observer@*/ fileloc uentry_whereDefined (uentry p_e) /*@*/ ;
354extern /*@observer@*/ fileloc uentry_whereSpecified (uentry p_e) /*@*/ ;
355extern int uentry_compare (uentry p_u1, uentry p_u2);
356extern /*@exposed@*/ sRef uentry_getSref (/*@temp@*/ uentry p_e) /*@*/ ;
357extern /*@observer@*/ sRefSet uentry_getMods (uentry p_l) /*@*/ ;
358extern typeIdSet uentry_accessType (uentry p_e) /*@*/ ;
359extern /*@observer@*/ fileloc uentry_whereEither (uentry p_e) /*@*/ ;
360extern /*@notnull@*/ uentry uentry_makeExpandedMacro (cstring p_s,
361 /*@temp@*/ fileloc p_f)
362 /*@*/ ;
363
364extern void uentry_checkMatchParam (uentry p_u1, uentry p_u2, int p_paramno, exprNode p_e) /*@modifies g_warningstream@*/ ;
365
366extern /*@observer@*/ stateClauseList uentry_getStateClauseList (uentry p_ue) /*@*/ ;
367
368extern void uentry_showWhereLastExtra (uentry p_spec, /*@only@*/ cstring p_extra)
369 /*@modifies g_warningstream@*/ ;
370
371# ifndef NOLCL
372extern void uentry_setRefCounted (uentry p_e);
373
374extern /*@notnull@*/ /*@only@*/ uentry uentry_makeUnnamedVariable (ctype p_t);
375extern /*@falsewhennull@*/ bool uentry_isUnnamedVariable (uentry) /*@*/;
376
377extern /*@notnull@*/ uentry
378 uentry_makeUnspecFunction (cstring p_n, ctype p_t, typeIdSet p_access,
379 /*@keep@*/ fileloc p_f);
380
381extern /*@notnull@*/ uentry
382 uentry_makePrivFunction2 (cstring p_n, ctype p_t,
383 typeIdSet p_access,
384 /*@only@*/ globSet p_globs,
385 /*@only@*/ sRefSet p_mods, /*@keep@*/ fileloc p_f);
386
387extern /*@notnull@*/ uentry
388 uentry_makeSpecEnumConstant (cstring p_n, ctype p_t, /*@keep@*/ fileloc p_loc) /*@*/ ;
389
390extern /*@notnull@*/ uentry
391 uentry_makeEnumTag (cstring p_n, ctype p_t, /*@only@*/ fileloc p_loc) /*@*/ ;
392
393extern /*@notnull@*/ uentry
394 uentry_makeTypeListFunction (cstring p_n, typeIdSet p_access, /*@only@*/ fileloc p_f)
395 /*@*/ ;
396
397extern /*@notnull@*/ uentry
398 uentry_makeSpecFunction (cstring p_n, ctype p_t,
399 typeIdSet p_access, /*@only@*/ globSet p_globs,
400 /*@only@*/ sRefSet p_mods, /*@keep@*/ fileloc p_f);
401# endif
402
403extern /*@notnull@*/ uentry
404 uentry_makeEnumConstant (cstring p_n, ctype p_t) /*@*/ ;
405
406extern /*@notnull@*/ uentry
407 uentry_makeEnumInitializedConstant (cstring p_n, ctype p_t, exprNode p_expr) /*@*/ ;
408
409extern /*@notnull@*/ /*@only@*/ uentry
410 uentry_makeConstant (/*@temp@*/ cstring p_n, ctype p_t, /*@keep@*/ fileloc p_f)
411 /*@*/ ;
412
413extern /*@only@*/ /*@notnull@*/ uentry
414 uentry_makeConstantValue (/*@temp@*/ cstring p_n, ctype p_t, /*@keep@*/ fileloc p_f,
415 bool p_priv, /*@only@*/ multiVal p_val)
416 /*@*/ ;
417
418extern /*@notnull@*/ /*@only@*/ uentry
419 uentry_makeMacroConstant (/*@temp@*/ cstring p_n, ctype p_t, /*@keep@*/ fileloc p_f)
420 /*@*/ ;
421
422extern /*@notnull@*/ /*@only@*/ uentry
423 uentry_makeDatatype (/*@temp@*/ cstring p_n, ctype p_t, ynm p_mut, ynm p_abstract,
424 /*@only@*/ fileloc p_f) /*@*/ ;
425extern /*@notnull@*/ /*@only@*/ uentry
426 uentry_makeDatatypeAux (/*@temp@*/ cstring p_n, ctype p_t, ynm p_mut,
427 ynm p_abstract, /*@keep@*/ fileloc p_f, bool p_priv) /*@*/ ;
428extern /*@notnull@*/ uentry uentry_makeElipsisMarker (void) /*@*/ ;
429
430extern void uentry_makeVarFunction (/*@temp@*/ uentry p_ue) /*@modifies p_ue@*/ ;
431extern void uentry_makeConstantFunction (/*@temp@*/ uentry p_ue) /*@modifies p_ue@*/ ;
432
433extern bool uentry_isElipsisMarker (/*@sef@*/ uentry p_u) /*@*/ ;
434# define uentry_isElipsisMarker(u) \
435 (uentry_isValid(u) && ekind_isElipsis ((u)->ukind))
436
437extern /*@notnull@*/ uentry
438 uentry_makeEndIter (cstring p_n, /*@only@*/ fileloc p_f) /*@*/ ;
439extern /*@notnull@*/ uentry
440 uentry_makeEnumTagLoc (cstring p_n, ctype p_t) /*@*/ ;
441extern /*@notnull@*/ uentry
442 uentry_makeForwardFunction (cstring p_n, typeId p_access, /*@temp@*/ fileloc p_f) /*@*/ ;
443
444extern /*@notnull@*/ uentry
445 uentry_makeFunction (cstring p_n, ctype p_t,
446 typeId p_access,
447 /*@only@*/ globSet p_globs, /*@only@*/ sRefSet p_mods,
448 /*@only@*/ warnClause p_warn,
449 /*@only@*/ fileloc p_f);
450
451extern /*@notnull@*/ uentry
452 uentry_makeIter (cstring p_n, ctype p_ct, /*@only@*/ fileloc p_f) /*@*/ ;
453extern /*@notnull@*/ uentry
454 uentry_makeParam (idDecl p_t, int p_i) /*@*/ ;
455
456extern /*@notnull@*/ uentry
457 uentry_makeStructTag (cstring p_n, ctype p_t, /*@only@*/ fileloc p_loc);
458extern /*@notnull@*/ uentry
459 uentry_makeStructTagLoc (cstring p_n, ctype p_t);
460extern /*@notnull@*/ uentry
461 uentry_makeUnionTag (cstring p_n, ctype p_t, /*@only@*/ fileloc p_loc);
462extern /*@notnull@*/ uentry
463 uentry_makeUnionTagLoc (cstring p_n, ctype p_t);
464extern /*@notnull@*/ uentry
465 uentry_makeVariable (cstring p_n, ctype p_t, /*@keep@*/ fileloc p_f, bool p_isPriv);
466extern /*@notnull@*/ /*@only@*/ uentry
467 uentry_makeVariableLoc (cstring p_n, ctype p_t);
468
469# ifndef NOLCL
470extern /*@notnull@*/ /*@only@*/
471 uentry uentry_makeVariableParam (cstring p_n, ctype p_t, fileloc p_loc);
472# endif
473
474extern /*@notnull@*/ /*@only@*/
475uentry uentry_makeVariableSrefParam (cstring p_n, ctype p_t, /*@only@*/ fileloc p_loc,
476 /*@exposed@*/ sRef p_s);
477extern /*@notnull@*/ /*@only@*/
478 uentry uentry_makeIdFunction (idDecl p_id);
479extern /*@notnull@*/ /*@only@*/
480 uentry uentry_makeIdDatatype (idDecl p_id);
481extern /*@notnull@*/ /*@only@*/
482 uentry uentry_makeBoolDatatype (ynm p_abstract);
483extern void uentry_mergeDefinition (uentry p_old, /*@only@*/ uentry p_unew);
484extern void uentry_mergeEntries (uentry p_spec, /*@only@*/ uentry p_def);
485extern uentry uentry_nameCopy (/*@only@*/ cstring p_name, uentry p_e);
486extern uentry uentry_undump (ekind p_kind, fileloc p_loc, char **p_s);
487extern /*@observer@*/ uentryList uentry_getParams (uentry p_l) /*@*/ ;
488extern void uentry_resetParams (uentry p_ue, /*@only@*/ uentryList p_pn)
489 /*@modifies p_ue@*/ ;
490extern /*@observer@*/ globSet uentry_getGlobs (uentry p_l) /*@*/ ;
491extern qual uentry_nullPred (uentry p_u);
492extern void uentry_free (/*@only@*/ /*@only@*/ uentry p_e);
493extern void uentry_setDatatype (uentry p_e, usymId p_uid);
494
495extern void uentry_setDefined (/*@special@*/ uentry p_e, fileloc p_f)
496 /*@uses p_e->whereDefined, p_e->ukind, p_e->uname, p_e->info@*/
497 /*@modifies p_e@*/ ;
498
499extern void uentry_checkDecl (void);
500extern void uentry_clearDecl (void);
501extern void uentry_setDeclared (uentry p_e, fileloc p_f);
502extern void uentry_setDeclaredOnly (uentry p_e, /*@only@*/ fileloc p_f);
503extern void uentry_setDeclaredForceOnly (uentry p_e, /*@only@*/ fileloc p_f);
504extern void uentry_setFunctionDefined (uentry p_e, fileloc p_loc);
505extern void uentry_setName (uentry p_e, /*@only@*/ cstring p_n);
506extern void uentry_setParam (uentry p_e);
507extern void uentry_setSref (uentry p_e, /*@exposed@*/ sRef p_s);
508extern void uentry_setStatic (uentry p_c);
509
510extern void uentry_setModifies (uentry p_ue, /*@owned@*/ sRefSet p_sr)
511 /*@modifies p_ue, p_sr@*/;
512
513extern bool uentry_hasWarning (uentry p_ue) /*@*/ ;
514
515extern void uentry_addWarning (uentry p_ue, /*@only@*/ warnClause p_warn)
516 /*@modifies p_ue*/;
517
518extern void uentry_setStateClauseList (uentry p_ue, /*@only@*/ stateClauseList p_clauses)
519 /*@modifies p_ue@*/ ;
520
521extern void uentry_setType (uentry p_e, ctype p_t);
522
523extern /*@unused@*/ /*@observer@*/ cstring uentry_checkedName (uentry p_ue);
524extern void uentry_showWhereLastPlain (uentry p_spec) /*@modifies g_warningstream@*/ ;
525
526extern void
527 uentry_showWhereSpecifiedExtra (uentry p_spec, /*@only@*/ cstring p_s)
528 /*@modifies g_warningstream@*/ ;
529
530extern void uentry_showWhereSpecified (uentry p_spec) /*@modifies g_warningstream@*/ ;
531extern void uentry_showWhereLast (uentry p_spec) /*@modifies g_warningstream@*/ ;
532extern void uentry_showWhereDeclared (uentry p_spec) /*@modifies g_warningstream@*/ ;
533
534extern /*@notnull@*/ /*@only@*/ uentry uentry_makeIdVariable (idDecl p_t) /*@*/ ;
535extern uentry uentry_copy (uentry p_e) /*@*/ ;
536extern void uentry_freeComplete (/*@only@*/ uentry p_e) ;
537extern void uentry_clearDefined (uentry p_e) /*@modifies p_e@*/;
538extern /*@observer@*/ cstring uentry_specDeclName (uentry p_u) /*@*/ ;
539
540extern void
541 uentry_mergeState (uentry p_res, uentry p_other, fileloc p_loc,
542 bool p_mustReturn, bool p_flip, bool p_opt,
543 clause p_cl) /*@modifies p_res, p_other@*/ ;
544
545extern void uentry_setState (uentry p_res, uentry p_other)
546 /*@modifies p_res, p_other@*/ ;
547
548extern void uentry_setRefParam (uentry p_e) /*@modifies p_e@*/ ;
549
550extern void uentry_setDeclaredForce (uentry p_e, fileloc p_f) /*@modifies p_e@*/;
551extern bool uentry_isNonLocal (uentry p_ue) /*@*/ ;
552extern bool uentry_isGlobalVariable (uentry p_ue) /*@*/;
553extern bool uentry_isVisibleExternally (uentry p_ue) /*@*/;
554extern bool uentry_isRefParam (uentry p_u) /*@*/ ;
555extern bool uentry_hasGlobs (uentry p_ue) /*@*/ ;
556extern bool uentry_hasMods (uentry p_ue) /*@*/ ;
557
558extern bool uentry_hasStateClauseList (uentry p_ue) /*@*/ ;
559extern bool uentry_hasConditions (uentry p_ue) /*@*/ ;
560
561extern exitkind uentry_getExitCode (uentry p_ue) /*@*/ ;
562
563extern void uentry_checkYieldParam (uentry p_old, uentry p_unew);
564extern bool uentry_isOnly (uentry p_ue) /*@*/ ;
565extern bool uentry_isUnique (uentry p_ue) /*@*/ ;
566extern void uentry_reflectQualifiers (uentry p_ue, qualList p_q) /*@modifies p_ue@*/;
567extern bool uentry_isOut (uentry p_u) /*@*/ ;
568extern bool uentry_isPartial (uentry p_u) /*@*/ ;
569extern bool uentry_isStateSpecial (uentry p_u) /*@*/ ;
570extern bool uentry_possiblyNull (uentry p_u) /*@*/ ;
571extern ctype uentry_getForceRealType (uentry p_e) /*@globals internalState@*/ ;
572extern alkind uentry_getAliasKind (uentry p_u) /*@*/ ;
573extern exkind uentry_getExpKind (uentry p_u) /*@*/ ;
574extern /*@observer@*/ multiVal uentry_getConstantValue (uentry p_e) /*@*/ ;
575extern void uentry_fixupSref (uentry p_ue) /*@modifies p_ue@*/ ;
576extern void uentry_setGlobals (uentry p_ue, /*@only@*/ globSet p_globs) /*@modifies p_ue, p_globs@*/ ;
577extern bool uentry_isYield (uentry p_ue) /*@*/ ;
578extern /*@notnull@*/ uentry uentry_makeIdConstant (idDecl p_t) /*@*/ ;
579extern /*@observer@*/ cstring uentry_getRealName (uentry p_e) /*@*/ ;
580extern int uentry_xcomparealpha (uentry *p_p1, uentry *p_p2) /*@*/ ;
581extern int uentry_xcompareuses (uentry *p_p1, uentry *p_p2) /*@*/ ;
582extern /*@observer@*/ cstring uentry_specOrDefName (uentry p_u) /*@*/ ;
583extern void uentry_copyState (uentry p_res, uentry p_other);
584extern bool uentry_sameKind (uentry p_u1, uentry p_u2);
585extern /*@exposed@*/ sRef uentry_returnedRef (uentry p_u, exprNodeList p_args);
586extern bool uentry_isReturned (uentry p_u);
587extern bool uentry_isRefCountedDatatype (uentry p_e);
588extern sstate uentry_getDefState (uentry p_u);
589extern /*@unused@*/ void uentry_markFree (/*@owned@*/ uentry p_u);
590extern /*@dependent@*/ sRef uentry_getOrigSref (uentry p_e);
591extern void uentry_destroyMod (void) /*@modifies internalState@*/;
592extern void uentry_showDefSpecInfo (uentry p_ce, fileloc p_fwhere);
593extern void uentry_markOwned (/*@owned@*/ uentry p_u);
594
595extern /*@observer@*/ fileloc uentry_whereLast (uentry p_e) /*@*/ ;
596extern void uentry_setParamNo (uentry p_ue, int p_pno) /*@modifies p_ue@*/;
597
598extern /*@observer@*/ filelocList uentry_getUses (/*@sef@*/ uentry p_e) /*@*/ ;
599# define uentry_getUses(u) (uentry_isValid (u) ? (u)->uses : filelocList_undefined)
600
601extern bool uentry_isCheckedUnknown (uentry p_ue) /*@*/ ;
602extern bool uentry_isCheckedModify (uentry p_ue) /*@*/ ;
603extern bool uentry_isUnchecked (uentry p_ue) /*@*/ ;
604extern bool uentry_isChecked (uentry p_ue) /*@*/ ;
605extern bool uentry_isCheckMod (uentry p_ue) /*@*/ ;
606extern bool uentry_isCheckedStrict (uentry p_ue) /*@*/ ;
607extern void uentry_setUnchecked (uentry p_ue) /*@modifies p_ue@*/ ;
608extern void uentry_setChecked (uentry p_ue) /*@modifies p_ue@*/ ;
609extern void uentry_setCheckMod (uentry p_ue) /*@modifies p_ue@*/ ;
610extern void uentry_setCheckedStrict (uentry p_ue) /*@modifies p_ue@*/ ;
611
612extern bool uentry_hasAccessType (uentry p_e);
613
614/*@constant cstring GLOBAL_MARKER_NAME@*/
615# define GLOBAL_MARKER_NAME cstring_makeLiteralTemp ("#GM#")
616
617/* functions for making modification to null-term info */
618extern void uentry_setNullTerminatedState (uentry p_e);
619extern void uentry_setPossiblyNullTerminatedState (uentry p_e);
620extern void uentry_setSize(uentry p_e, int p_size);
621extern void uentry_setLen(uentry p_e, int p_len);
622
623/*@i66*/
624/*@-nullderef@*/
625extern bool uentry_hasBufStateInfo (uentry p_ue);
626# define uentry_hasBufStateInfo(p_ue) \
627 (((p_ue)->info->var->bufinfo != NULL) ? TRUE : FALSE)
628
629/*@unused@*/ extern bool uentry_isNullTerminated(/*@sef@*/uentry p_ue);
630# define uentry_isNullTerminated(p_ue) \
631 ( uentry_hasBufStateInfo((p_ue ) ) ? ((p_ue)->info->var->bufinfo->bufstate \
632 == BB_NULLTERMINATED) : FALSE)
633
634/*@unused@*/ extern bool uentry_isPossiblyNullTerminated( /*@sef@*/ uentry p_ue);
635# define uentry_isPossiblyNullTerminated(p_ue) \
636 ( uentry_hasBufStateInfo((p_ue)) ? ((p_ue)->info->var->bufinfo->bufstate \
637 == BB_POSSIBLYNULLTERMINATED) : FALSE)
638
639/*@unused@*/ extern bool uentry_isNotNullTerminated( /*@sef@*/ uentry p_ue);
640# define uentry_isNotNullTerminated(p_ue) \
641 ( uentry_hasBufStateInfo((p_ue) ) ? ((p_ue)->info->var->bufinfo->bufstate \
642 == BB_NOTNULLTERMINATED) : FALSE)
643/*@=nullderef@*/
644
645/* end modifications */
646
647extern uentry uentry_makeGlobalMarker (void) ;
648extern bool uentry_isGlobalMarker (uentry) /*@*/ ;
649
650extern /*@exposed@*/ uentry uentry_makeUnrecognized (cstring p_c, /*@only@*/ fileloc p_loc);
651
652# ifdef DOANNOTS
653typedef enum
654{
655 AN_UNKNOWN, AN_FCNRETURN, AN_FCNPARAM, AN_SUFIELD, AN_TDEFN, AN_GSVAR,
656 AN_CONST, AN_LAST
657} ancontext;
658
659extern void initAnnots ();
660extern void printAnnots (void);
661extern void uentry_tallyAnnots (uentry u, ancontext kind);
662# endif /* DOANNOTS */
663
664extern bool uentry_hasMetaStateEnsures (uentry p_e) /*@*/ ;
665extern /*@only@*/ metaStateConstraintList uentry_getMetaStateEnsures (uentry p_e);
666
667/* start modifications */
668
669/*drl7x*/
670extern constraintList uentry_getFcnPreconditions (uentry p_ue);
671extern constraintList uentry_getFcnPostconditions (uentry p_ue);
672
673extern void uentry_setPostconditions (uentry p_ue, /*@only@*/ functionConstraint p_postconditions);
674
675extern void uentry_setPreconditions (uentry p_ue, /*@only@*/ functionConstraint p_preconditions);
676/*end mods*/
677
678/*drl added function for cod generation */
679extern /*@only@*/ cstring uentry_unparseFunctionHeader (uentry p_v) /*@*/;
680
681/*end drl*/
682/*
683** For debugging only
684*/
685
686# ifdef DEBUGSPLINT
687extern void uentry_checkValid (uentry p_ue) /*@modifies g_errorstream@*/ ;
688# endif
689
690# else
691# error "Multiple include"
692# endif
693
694
695
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