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Fixed bug in usymtab clearing derived sRefs when exiting scope.
[splint.git] / src / Headers / uentry.h
CommitLineData
885824d3 1/*
28bf4b0b 2** Copyright (C) University of Virginia, Massachusetts Institue of Technology 1994-2001.
885824d3 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
28bf4b0b 18typedef struct
885824d3 19{
b9904f57 20 typeIdSet access;
5e211f69 21 bool macro;
885824d3 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 */
28bf4b0b 50typedef enum {
1ac6313d 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
abd7f895 56typedef /*@null@*/ struct s_bbufinfo {
1ac6313d 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
28bf4b0b 62typedef struct
885824d3 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
28bf4b0b 73typedef struct
885824d3 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
28bf4b0b 91typedef struct
885824d3 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
28bf4b0b 101 stateClauseList specclauses;
885824d3 102
103 /*@dependent@*/ uentryList defparams;
104 bool hasGlobs BOOLBITS;
105 bool hasMods BOOLBITS;
93307a76 106
3814599d 107 functionConstraint preconditions;
108 functionConstraint postconditions;
93307a76 109
885824d3 110} *ufinfo ;
111
28bf4b0b 112typedef struct
885824d3 113{
114 typeIdSet access;
115 /*@owned@*/ globSet globs; /* globals list */
116 /*@owned@*/ sRefSet mods; /* modifies */
117} *uiinfo ;
118
28bf4b0b 119typedef struct
885824d3 120{
121 typeIdSet access;
122} *ueinfo ;
123
28bf4b0b 124typedef union
885824d3 125{
126 ucinfo uconst;
127 uvinfo var;
128 udinfo datatype;
129 ufinfo fcn;
130 uiinfo iter;
131 ueinfo enditer;
132} *uinfo ;
133
28bf4b0b 134struct s_uentry
885824d3 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 */
28bf4b0b 149
885824d3 150 /*@exposed@*/ /*@null@*/ sRef sref;
151
28bf4b0b 152 warnClause warn;
153
885824d3 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
166/*
167** There is no uentry_isDefined to avoid confusion with
168** uentry_isCodeDefined (which was previously called
b7e84605 169** uentry_isDefined).
885824d3 170*/
171
0e41eb0e 172extern /*@nullwhentrue@*/ bool uentry_isUndefined (/*@special@*/ uentry p_e)
885824d3 173 /*@*/ ;
0e41eb0e 174extern /*@nullwhentrue@*/ bool uentry_isInvalid (/*@special@*/ uentry p_e)
885824d3 175 /*@*/ ;
0e41eb0e 176extern /*@falsewhennull@*/ bool uentry_isValid (/*@special@*/ uentry p_e)
885824d3 177 /*@*/ ;
178
179/*@constant null uentry uentry_undefined; @*/
180# define uentry_undefined ((uentry) NULL)
181
182# define uentry_isUndefined(e) ((e) == uentry_undefined)
183# define uentry_isValid(e) ((e) != uentry_undefined)
184# define uentry_isInvalid(e) ((e) == uentry_undefined)
185
186extern int uentry_compareStrict (uentry p_v1, uentry p_v2);
187
188/*@constant int PARAMUNKNOWN; @*/
189# define PARAMUNKNOWN -1
190
191extern bool uentry_isMaybeAbstract (uentry p_e) /*@*/ ;
192extern void uentry_setAbstract (uentry p_e) /*@modifies p_e@*/ ;
193extern void uentry_setConcrete (uentry p_e) /*@modifies p_e@*/ ;
194extern void uentry_setHasNameError (uentry p_ue) /*@modifies p_ue@*/ ;
195
0e41eb0e 196extern /*@falsewhennull@*/ bool uentry_isLset (/*@sef@*/ uentry p_e);
885824d3 197# define uentry_isLset(e) \
198 (uentry_isValid(e) && (e)->lset)
199
0e41eb0e 200extern /*@falsewhennull@*/ bool uentry_isUsed (/*@sef@*/ uentry p_e);
885824d3 201# define uentry_isUsed(e) (uentry_isValid(e) && (e)->used)
202
0e41eb0e 203extern /*@unused@*/ /*@falsewhennull@*/ bool
885824d3 204 uentry_isAbstractType (uentry p_e) /*@*/ ;
205# define uentry_isAbstractType(e) (uentry_isAbstractDatatype(e))
206
0e41eb0e 207extern /*@falsewhennull@*/ bool uentry_isConstant (/*@sef@*/ uentry p_e) /*@*/ ;
885824d3 208# define uentry_isConstant(e) \
209 (uentry_isValid(e) && ekind_isConst ((e)->ukind))
210
0e41eb0e 211extern /*@falsewhennull@*/ bool uentry_isEitherConstant (/*@sef@*/ uentry p_e) /*@*/ ;
885824d3 212# define uentry_isEitherConstant(e) \
213 (uentry_isValid(e) && (ekind_isConst ((e)->ukind) || ekind_isEnumConst ((e)->ukind)))
214
0e41eb0e 215extern /*@falsewhennull@*/ bool uentry_isEnumConstant (/*@sef@*/ uentry p_e) /*@*/ ;
885824d3 216# define uentry_isEnumConstant(e) \
217 (uentry_isValid(e) && ekind_isEnumConst ((e)->ukind))
218
0e41eb0e 219extern /*@falsewhennull@*/ bool uentry_isExternal (/*@sef@*/ uentry p_e) /*@*/ ;
885824d3 220# define uentry_isExternal(c) \
221 (uentry_isValid(c) && fileloc_isExternal (uentry_whereDefined (c)))
222
0e41eb0e 223extern /*@falsewhennull@*/ bool uentry_isExtern (/*@sef@*/ uentry p_e) /*@*/ ;
885824d3 224# define uentry_isExtern(c) \
225 (uentry_isValid(c) && (c)->storageclass == SCEXTERN)
226
227extern bool uentry_isForward (uentry p_e) /*@*/ ;
228
0e41eb0e 229extern /*@falsewhennull@*/ bool uentry_isFunction (/*@sef@*/ uentry p_e) /*@*/ ;
885824d3 230# define uentry_isFunction(e) \
231 (uentry_isValid(e) && ekind_isFunction ((e)->ukind))
232
0e41eb0e 233extern /*@falsewhennull@*/ bool uentry_isPriv (/*@sef@*/ uentry p_e) /*@*/ ;
885824d3 234# define uentry_isPriv(e) \
235 (uentry_isValid(e) && (e)->isPrivate)
236
0e41eb0e 237extern /*@falsewhennull@*/ bool uentry_isFileStatic (uentry p_ue) /*@*/ ;
238extern /*@falsewhennull@*/ bool uentry_isExported (uentry p_ue) /*@*/ ;
885824d3 239
0e41eb0e 240extern /*@falsewhennull@*/ bool uentry_isStatic (/*@sef@*/ uentry p_e) /*@*/ ;
885824d3 241# define uentry_isStatic(c) \
242 (uentry_isValid(c) && (c)->storageclass == SCSTATIC)
243
244extern void uentry_setLset (/*@sef@*/ uentry p_e);
245# define uentry_setLset(e) \
246 (uentry_isValid(e) ? (e)->lset = TRUE : TRUE)
247
248extern bool uentry_isSpecialFunction (uentry p_ue) /*@*/ ;
249extern bool uentry_isMessageLike (uentry p_ue) /*@*/ ;
250extern bool uentry_isScanfLike (uentry p_ue) /*@*/ ;
251extern bool uentry_isPrintfLike (uentry p_ue) /*@*/ ;
252
253extern void uentry_setMessageLike (uentry p_ue) /*@modifies p_ue@*/ ;
254extern void uentry_setScanfLike (uentry p_ue) /*@modifies p_ue@*/ ;
255extern void uentry_setPrintfLike (uentry p_ue) /*@modifies p_ue@*/ ;
256
80489f0a 257extern void uentry_checkName (uentry p_ue) /*@modifies g_warningstream, p_ue@*/ ;
885824d3 258
259extern bool uentry_sameObject (uentry p_e1, uentry p_e2);
260# define uentry_sameObject(e1,e2) ((e1) == (e2))
261
262extern void uentry_addAccessType (uentry p_ue, typeId p_tid) /*@modifies p_ue@*/ ;
263
264extern void uentry_showWhereAny (uentry p_spec)
80489f0a 265 /*@modifies g_warningstream@*/ ;
885824d3 266
267extern void uentry_checkParams (uentry p_ue);
268extern void uentry_mergeUses (uentry p_res, uentry p_other);
269extern void uentry_setExtern (uentry p_c);
270extern void uentry_setUsed (uentry p_e, fileloc p_loc);
271extern void uentry_setDefState (uentry p_ue, sstate p_defstate);
272
273extern void uentry_setNotUsed (/*@sef@*/ uentry p_e);
274# define uentry_setNotUsed(e) \
275 (uentry_isValid (e) ? (e)->used = FALSE : FALSE)
276
277extern bool uentry_wasUsed (/*@sef@*/ uentry p_e);
278# define uentry_wasUsed(e) \
279 (uentry_isValid (e) ? (e)->used : TRUE)
280
281extern void uentry_mergeConstantValue (uentry p_ue, /*@only@*/ multiVal p_m);
282
283extern /*@observer@*/ fileloc uentry_whereEarliest (uentry p_e) /*@*/ ;
284extern /*@observer@*/ cstring uentry_rawName (uentry p_e) /*@*/ ;
285extern /*@observer@*/ fileloc uentry_whereDeclared (uentry p_e) /*@*/ ;
286extern bool uentry_equiv (uentry p_p1, uentry p_p2) /*@*/ ;
0e41eb0e 287extern /*@falsewhennull@*/ bool uentry_hasName (uentry p_e) /*@*/ ;
288extern /*@falsewhennull@*/ bool uentry_hasRealName (uentry p_e) /*@*/ ;
289extern /*@falsewhennull@*/ bool uentry_isAbstractDatatype (uentry p_e) /*@*/ ;
290extern /*@falsewhennull@*/ bool uentry_isAnyTag (/*@special@*/ uentry p_ue)
885824d3 291 /*@uses p_ue->ukind@*/
292 /*@*/ ;
0e41eb0e 293extern /*@falsewhennull@*/ bool uentry_isDatatype (uentry p_e) /*@*/ ;
885824d3 294
0e41eb0e 295extern /*@falsewhennull@*/ bool uentry_isCodeDefined (uentry p_e) /*@*/ ;
885824d3 296
0e41eb0e 297extern /*@falsewhennull@*/ bool uentry_isDeclared (/*@special@*/ uentry p_e)
885824d3 298 /*@uses p_e->whereDeclared@*/ /*@*/ ;
299
300extern /*@observer@*/ cstring uentry_ekindName (uentry p_ue) /*@*/ ;
28bf4b0b 301extern /*@observer@*/ cstring uentry_ekindNameLC (uentry p_ue) /*@*/ ;
302
885824d3 303extern void uentry_showWhereDefined (uentry p_spec);
0e41eb0e 304extern /*@falsewhennull@*/ bool uentry_isEndIter (uentry p_e) /*@*/ ;
305extern /*@falsewhennull@*/ bool uentry_isEnumTag (/*@special@*/ uentry p_ue)
885824d3 306 /*@uses p_ue->ukind@*/ /*@*/ ;
0e41eb0e 307extern /*@falsewhennull@*/ bool uentry_isFakeTag (uentry p_e) /*@*/ ;
308extern /*@falsewhennull@*/ bool uentry_isIter (uentry p_e) /*@*/ ;
309extern /*@falsewhennull@*/ bool uentry_isMutableDatatype (uentry p_e) /*@*/ ;
310extern /*@falsewhennull@*/ bool uentry_isParam (uentry p_u) /*@*/ ;
311extern /*@falsewhennull@*/ bool uentry_isExpandedMacro (uentry p_u) /*@*/ ;
312extern /*@falsewhennull@*/ bool uentry_isSefParam (uentry p_u) /*@*/ ;
313extern /*@falsewhennull@*/ bool uentry_isAnyParam (/*@special@*/ uentry p_u)
885824d3 314 /*@uses p_u->ukind, p_u->info@*/
315 /*@*/ ;
316
0e41eb0e 317extern /*@falsewhennull@*/ bool uentry_isRealFunction (uentry p_e) /*@*/ ;
318extern /*@falsewhennull@*/ bool uentry_isSpecified (uentry p_e) /*@*/ ;
885824d3 319
0e41eb0e 320extern /*@falsewhennull@*/ bool uentry_isStructTag (/*@special@*/ uentry p_ue)
885824d3 321 /*@uses p_ue->ukind@*/ /*@*/ ;
0e41eb0e 322extern /*@falsewhennull@*/ bool uentry_isUnionTag (/*@special@*/ uentry p_ue)
885824d3 323 /*@uses p_ue->ukind@*/ /*@*/ ;
324
0e41eb0e 325extern /*@falsewhennull@*/ bool uentry_isVar (/*@special@*/ uentry p_e)
885824d3 326 /*@uses p_e->ukind@*/
327 /*@*/ ;
328
0e41eb0e 329extern /*@falsewhennull@*/ bool uentry_isVariable (/*@special@*/ uentry p_e)
885824d3 330 /*@uses p_e->ukind@*/
331 /*@*/ ;
332
333extern cstring uentry_dump (uentry p_v) ;
334extern cstring uentry_dumpParam (uentry p_v);
28bf4b0b 335
336extern /*@observer@*/ cstring uentry_observeRealName (uentry p_e) /*@*/ ;
337
885824d3 338extern cstring uentry_getName (/*@special@*/ uentry p_e)
339 /*@uses p_e->ukind, p_e->info, p_e->uname@*/
340 /*@*/ ;
341
342extern cstring uentry_unparse (uentry p_v) /*@*/ ;
343extern cstring uentry_unparseAbbrev (uentry p_v) /*@*/ ;
344extern cstring uentry_unparseFull (uentry p_v) /*@*/ ;
345extern void uentry_setMutable (uentry p_e) /*@modifies p_e@*/ ;
346extern ctype uentry_getAbstractType (uentry p_e) /*@*/ ;
347extern ctype uentry_getRealType (uentry p_e) /*@globals internalState@*/ ;
348extern ctype uentry_getType (uentry p_e) /*@*/ ;
349extern ekind uentry_getKind (uentry p_e) /*@*/ ;
350extern /*@observer@*/ fileloc uentry_whereDefined (uentry p_e) /*@*/ ;
351extern /*@observer@*/ fileloc uentry_whereSpecified (uentry p_e) /*@*/ ;
352extern int uentry_compare (uentry p_u1, uentry p_u2);
353extern /*@exposed@*/ sRef uentry_getSref (/*@temp@*/ uentry p_e) /*@*/ ;
354extern /*@observer@*/ sRefSet uentry_getMods (uentry p_l) /*@*/ ;
355extern typeIdSet uentry_accessType (uentry p_e) /*@*/ ;
356extern /*@observer@*/ fileloc uentry_whereEither (uentry p_e) /*@*/ ;
357extern /*@notnull@*/ uentry uentry_makeExpandedMacro (cstring p_s,
358 /*@temp@*/ fileloc p_f)
359 /*@*/ ;
360
80489f0a 361extern void uentry_checkMatchParam (uentry p_u1, uentry p_u2, int p_paramno, exprNode p_e) /*@modifies g_warningstream@*/ ;
885824d3 362
28bf4b0b 363extern /*@observer@*/ stateClauseList uentry_getStateClauseList (uentry p_ue) /*@*/ ;
885824d3 364
365extern void uentry_showWhereLastExtra (uentry p_spec, /*@only@*/ cstring p_extra)
80489f0a 366 /*@modifies g_warningstream@*/ ;
885824d3 367
368# ifndef NOLCL
369extern void uentry_setRefCounted (uentry p_e);
370
371extern /*@notnull@*/ /*@only@*/ uentry uentry_makeUnnamedVariable (ctype p_t);
372
373extern /*@notnull@*/ uentry
374 uentry_makeUnspecFunction (cstring p_n, ctype p_t, typeIdSet p_access,
375 /*@keep@*/ fileloc p_f);
376
377extern /*@notnull@*/ uentry
378 uentry_makePrivFunction2 (cstring p_n, ctype p_t,
379 typeIdSet p_access,
380 /*@only@*/ globSet p_globs,
381 /*@only@*/ sRefSet p_mods, /*@keep@*/ fileloc p_f);
382
383extern /*@notnull@*/ uentry
384 uentry_makeSpecEnumConstant (cstring p_n, ctype p_t, /*@keep@*/ fileloc p_loc) /*@*/ ;
385
386extern /*@notnull@*/ uentry
387 uentry_makeEnumTag (cstring p_n, ctype p_t, /*@only@*/ fileloc p_loc) /*@*/ ;
388
389extern /*@notnull@*/ uentry
390 uentry_makeTypeListFunction (cstring p_n, typeIdSet p_access, /*@only@*/ fileloc p_f)
391 /*@*/ ;
392
393extern /*@notnull@*/ uentry
394 uentry_makeSpecFunction (cstring p_n, ctype p_t,
395 typeIdSet p_access, /*@only@*/ globSet p_globs,
396 /*@only@*/ sRefSet p_mods, /*@keep@*/ fileloc p_f);
397# endif
398
399extern /*@notnull@*/ uentry
400 uentry_makeEnumConstant (cstring p_n, ctype p_t) /*@*/ ;
401
402extern /*@notnull@*/ uentry
403 uentry_makeEnumInitializedConstant (cstring p_n, ctype p_t, exprNode p_expr) /*@*/ ;
404
405extern /*@notnull@*/ /*@only@*/ uentry
406 uentry_makeConstant (/*@temp@*/ cstring p_n, ctype p_t, /*@keep@*/ fileloc p_f)
407 /*@*/ ;
5e211f69 408
409extern /*@only@*/ /*@notnull@*/ uentry
3e3ec469 410 uentry_makeConstantValue (/*@temp@*/ cstring p_n, ctype p_t, /*@keep@*/ fileloc p_f,
411 bool p_priv, /*@only@*/ multiVal p_val)
5e211f69 412 /*@*/ ;
413
414extern /*@notnull@*/ /*@only@*/ uentry
415 uentry_makeMacroConstant (/*@temp@*/ cstring p_n, ctype p_t, /*@keep@*/ fileloc p_f)
416 /*@*/ ;
417
885824d3 418extern /*@notnull@*/ /*@only@*/ uentry
28bf4b0b 419 uentry_makeDatatype (/*@temp@*/ cstring p_n, ctype p_t, ynm p_mut, ynm p_abstract,
885824d3 420 /*@only@*/ fileloc p_f) /*@*/ ;
421extern /*@notnull@*/ /*@only@*/ uentry
422 uentry_makeDatatypeAux (/*@temp@*/ cstring p_n, ctype p_t, ynm p_mut,
28bf4b0b 423 ynm p_abstract, /*@keep@*/ fileloc p_f, bool p_priv) /*@*/ ;
885824d3 424extern /*@notnull@*/ uentry uentry_makeElipsisMarker (void) /*@*/ ;
425
426extern void uentry_makeVarFunction (/*@temp@*/ uentry p_ue) /*@modifies p_ue@*/ ;
b072092f 427extern void uentry_makeConstantFunction (/*@temp@*/ uentry p_ue) /*@modifies p_ue@*/ ;
885824d3 428
429extern bool uentry_isElipsisMarker (/*@sef@*/ uentry p_u) /*@*/ ;
430# define uentry_isElipsisMarker(u) \
431 (uentry_isValid(u) && ekind_isElipsis ((u)->ukind))
432
433extern /*@notnull@*/ uentry
434 uentry_makeEndIter (cstring p_n, /*@only@*/ fileloc p_f) /*@*/ ;
435extern /*@notnull@*/ uentry
436 uentry_makeEnumTagLoc (cstring p_n, ctype p_t) /*@*/ ;
437extern /*@notnull@*/ uentry
438 uentry_makeForwardFunction (cstring p_n, typeId p_access, /*@temp@*/ fileloc p_f) /*@*/ ;
439
440extern /*@notnull@*/ uentry
441 uentry_makeFunction (cstring p_n, ctype p_t,
442 typeId p_access,
443 /*@only@*/ globSet p_globs, /*@only@*/ sRefSet p_mods,
28bf4b0b 444 /*@only@*/ warnClause p_warn,
885824d3 445 /*@only@*/ fileloc p_f);
446
447extern /*@notnull@*/ uentry
448 uentry_makeIter (cstring p_n, ctype p_ct, /*@only@*/ fileloc p_f) /*@*/ ;
449extern /*@notnull@*/ uentry
450 uentry_makeParam (idDecl p_t, int p_i) /*@*/ ;
451
452extern /*@notnull@*/ uentry
453 uentry_makeStructTag (cstring p_n, ctype p_t, /*@only@*/ fileloc p_loc);
454extern /*@notnull@*/ uentry
455 uentry_makeStructTagLoc (cstring p_n, ctype p_t);
456extern /*@notnull@*/ uentry
457 uentry_makeUnionTag (cstring p_n, ctype p_t, /*@only@*/ fileloc p_loc);
458extern /*@notnull@*/ uentry
459 uentry_makeUnionTagLoc (cstring p_n, ctype p_t);
460extern /*@notnull@*/ uentry
461 uentry_makeVariable (cstring p_n, ctype p_t, /*@keep@*/ fileloc p_f, bool p_isPriv);
462extern /*@notnull@*/ /*@only@*/ uentry
463 uentry_makeVariableLoc (cstring p_n, ctype p_t);
464
465# ifndef NOLCL
466extern /*@notnull@*/ /*@only@*/
6970c11b 467 uentry uentry_makeVariableParam (cstring p_n, ctype p_t, fileloc p_loc);
885824d3 468# endif
469
470extern /*@notnull@*/ /*@only@*/
6970c11b 471uentry uentry_makeVariableSrefParam (cstring p_n, ctype p_t, /*@only@*/ fileloc p_loc,
472 /*@exposed@*/ sRef p_s);
885824d3 473extern /*@notnull@*/ /*@only@*/
474 uentry uentry_makeIdFunction (idDecl p_id);
475extern /*@notnull@*/ /*@only@*/
476 uentry uentry_makeIdDatatype (idDecl p_id);
477extern /*@notnull@*/ /*@only@*/
28bf4b0b 478 uentry uentry_makeBoolDatatype (ynm p_abstract);
885824d3 479extern void uentry_mergeDefinition (uentry p_old, /*@only@*/ uentry p_unew);
480extern void uentry_mergeEntries (uentry p_spec, /*@only@*/ uentry p_def);
481extern uentry uentry_nameCopy (/*@only@*/ cstring p_name, uentry p_e);
482extern uentry uentry_undump (ekind p_kind, fileloc p_loc, char **p_s);
483extern /*@observer@*/ uentryList uentry_getParams (uentry p_l) /*@*/ ;
484extern void uentry_resetParams (uentry p_ue, /*@only@*/ uentryList p_pn)
485 /*@modifies p_ue@*/ ;
486extern /*@observer@*/ globSet uentry_getGlobs (uentry p_l) /*@*/ ;
487extern qual uentry_nullPred (uentry p_u);
488extern void uentry_free (/*@only@*/ /*@only@*/ uentry p_e);
489extern void uentry_setDatatype (uentry p_e, usymId p_uid);
490
491extern void uentry_setDefined (/*@special@*/ uentry p_e, fileloc p_f)
492 /*@uses p_e->whereDefined, p_e->ukind, p_e->uname, p_e->info@*/
493 /*@modifies p_e@*/ ;
494
495extern void uentry_checkDecl (void);
496extern void uentry_clearDecl (void);
497extern void uentry_setDeclared (uentry p_e, fileloc p_f);
498extern void uentry_setDeclaredOnly (uentry p_e, /*@only@*/ fileloc p_f);
499extern void uentry_setDeclaredForceOnly (uentry p_e, /*@only@*/ fileloc p_f);
500extern void uentry_setFunctionDefined (uentry p_e, fileloc p_loc);
501extern void uentry_setName (uentry p_e, /*@only@*/ cstring p_n);
502extern void uentry_setParam (uentry p_e);
503extern void uentry_setSref (uentry p_e, /*@exposed@*/ sRef p_s);
504extern void uentry_setStatic (uentry p_c);
505
506extern void uentry_setModifies (uentry p_ue, /*@owned@*/ sRefSet p_sr)
507 /*@modifies p_ue, p_sr@*/;
508
28bf4b0b 509extern bool uentry_hasWarning (uentry p_ue) /*@*/ ;
510
511extern void uentry_addWarning (uentry p_ue, /*@only@*/ warnClause p_warn)
512 /*@modifies p_ue*/;
513
514extern void uentry_setStateClauseList (uentry p_ue, /*@only@*/ stateClauseList p_clauses)
885824d3 515 /*@modifies p_ue@*/ ;
516
517extern void uentry_setType (uentry p_e, ctype p_t);
518
519extern /*@unused@*/ /*@observer@*/ cstring uentry_checkedName (uentry p_ue);
80489f0a 520extern void uentry_showWhereLastPlain (uentry p_spec) /*@modifies g_warningstream@*/ ;
885824d3 521
522extern void
523 uentry_showWhereSpecifiedExtra (uentry p_spec, /*@only@*/ cstring p_s)
80489f0a 524 /*@modifies g_warningstream@*/ ;
885824d3 525
80489f0a 526extern void uentry_showWhereSpecified (uentry p_spec) /*@modifies g_warningstream@*/ ;
527extern void uentry_showWhereLast (uentry p_spec) /*@modifies g_warningstream@*/ ;
528extern void uentry_showWhereDeclared (uentry p_spec) /*@modifies g_warningstream@*/ ;
885824d3 529
530extern /*@notnull@*/ /*@only@*/ uentry uentry_makeIdVariable (idDecl p_t) /*@*/ ;
531extern uentry uentry_copy (uentry p_e) /*@*/ ;
532extern void uentry_freeComplete (/*@only@*/ uentry p_e) ;
533extern void uentry_clearDefined (uentry p_e) /*@modifies p_e@*/;
534extern /*@observer@*/ cstring uentry_specDeclName (uentry p_u) /*@*/ ;
535
536extern void
537 uentry_mergeState (uentry p_res, uentry p_other, fileloc p_loc,
538 bool p_mustReturn, bool p_flip, bool p_opt,
539 clause p_cl) /*@modifies p_res, p_other@*/ ;
540
541extern void uentry_setState (uentry p_res, uentry p_other)
542 /*@modifies p_res, p_other@*/ ;
543
544extern void uentry_setRefParam (uentry p_e) /*@modifies p_e@*/ ;
545
546extern void uentry_setDeclaredForce (uentry p_e, fileloc p_f) /*@modifies p_e@*/;
547extern bool uentry_isNonLocal (uentry p_ue) /*@*/ ;
28bf4b0b 548extern bool uentry_isGlobalVariable (uentry p_ue) /*@*/;
549extern bool uentry_isVisibleExternally (uentry p_ue) /*@*/;
885824d3 550extern bool uentry_isRefParam (uentry p_u) /*@*/ ;
551extern bool uentry_hasGlobs (uentry p_ue) /*@*/ ;
552extern bool uentry_hasMods (uentry p_ue) /*@*/ ;
553
28bf4b0b 554extern bool uentry_hasStateClauseList (uentry p_ue) /*@*/ ;
ccf0a4a8 555extern bool uentry_hasConditions (uentry p_ue) /*@*/ ;
556
885824d3 557extern exitkind uentry_getExitCode (uentry p_ue) /*@*/ ;
558
559extern void uentry_checkYieldParam (uentry p_old, uentry p_unew);
560extern bool uentry_isOnly (uentry p_ue) /*@*/ ;
561extern bool uentry_isUnique (uentry p_ue) /*@*/ ;
562extern void uentry_reflectQualifiers (uentry p_ue, qualList p_q) /*@modifies p_ue@*/;
563extern bool uentry_isOut (uentry p_u) /*@*/ ;
564extern bool uentry_isPartial (uentry p_u) /*@*/ ;
565extern bool uentry_isStateSpecial (uentry p_u) /*@*/ ;
566extern bool uentry_possiblyNull (uentry p_u) /*@*/ ;
567extern ctype uentry_getForceRealType (uentry p_e) /*@globals internalState@*/ ;
568extern alkind uentry_getAliasKind (uentry p_u) /*@*/ ;
569extern exkind uentry_getExpKind (uentry p_u) /*@*/ ;
570extern /*@observer@*/ multiVal uentry_getConstantValue (uentry p_e) /*@*/ ;
571extern void uentry_fixupSref (uentry p_ue) /*@modifies p_ue@*/ ;
28bf4b0b 572extern void uentry_setGlobals (uentry p_ue, /*@owned@*/ globSet p_globs) /*@modifies p_ue, p_globs@*/ ;
885824d3 573extern bool uentry_isYield (uentry p_ue) /*@*/ ;
574extern /*@notnull@*/ uentry uentry_makeIdConstant (idDecl p_t) /*@*/ ;
575extern /*@observer@*/ cstring uentry_getRealName (uentry p_e) /*@*/ ;
576extern int uentry_xcomparealpha (uentry *p_p1, uentry *p_p2) /*@*/ ;
577extern int uentry_xcompareuses (uentry *p_p1, uentry *p_p2) /*@*/ ;
578extern /*@observer@*/ cstring uentry_specOrDefName (uentry p_u) /*@*/ ;
579extern void uentry_copyState (uentry p_res, uentry p_other);
580extern bool uentry_sameKind (uentry p_u1, uentry p_u2);
581extern /*@exposed@*/ sRef uentry_returnedRef (uentry p_u, exprNodeList p_args);
582extern bool uentry_isReturned (uentry p_u);
583extern bool uentry_isRefCountedDatatype (uentry p_e);
584extern sstate uentry_getDefState (uentry p_u);
585extern /*@unused@*/ void uentry_markFree (/*@owned@*/ uentry p_u);
586extern /*@dependent@*/ sRef uentry_getOrigSref (uentry p_e);
587extern void uentry_destroyMod (void) /*@modifies internalState@*/;
588extern void uentry_showDefSpecInfo (uentry p_ce, fileloc p_fwhere);
589extern void uentry_markOwned (/*@owned@*/ uentry p_u);
590
591extern /*@observer@*/ fileloc uentry_whereLast (uentry p_e) /*@*/ ;
592extern void uentry_setParamNo (uentry p_ue, int p_pno) /*@modifies p_ue@*/;
593
594extern /*@observer@*/ filelocList uentry_getUses (/*@sef@*/ uentry p_e) /*@*/ ;
595# define uentry_getUses(u) (uentry_isValid (u) ? (u)->uses : filelocList_undefined)
596
597extern bool uentry_isCheckedUnknown (uentry p_ue) /*@*/ ;
598extern bool uentry_isCheckedModify (uentry p_ue) /*@*/ ;
599extern bool uentry_isUnchecked (uentry p_ue) /*@*/ ;
600extern bool uentry_isChecked (uentry p_ue) /*@*/ ;
601extern bool uentry_isCheckMod (uentry p_ue) /*@*/ ;
602extern bool uentry_isCheckedStrict (uentry p_ue) /*@*/ ;
603extern void uentry_setUnchecked (uentry p_ue) /*@modifies p_ue@*/ ;
604extern void uentry_setChecked (uentry p_ue) /*@modifies p_ue@*/ ;
605extern void uentry_setCheckMod (uentry p_ue) /*@modifies p_ue@*/ ;
606extern void uentry_setCheckedStrict (uentry p_ue) /*@modifies p_ue@*/ ;
607
608extern bool uentry_hasAccessType (uentry p_e);
609
28bf4b0b 610/*@constant cstring GLOBAL_MARKER_NAME@*/
611# define GLOBAL_MARKER_NAME cstring_makeLiteralTemp ("#GM#")
1ac6313d 612
1ac6313d 613/* functions for making modification to null-term info */
b7b694d6 614extern void uentry_setNullTerminatedState (uentry p_e);
615extern void uentry_setPossiblyNullTerminatedState (uentry p_e);
616extern void uentry_setSize(uentry p_e, int p_size);
617extern void uentry_setLen(uentry p_e, int p_len);
1ac6313d 618
4cccc6ad 619/*@i66*/
620/*@-nullderef@*/
1ac6313d 621extern bool uentry_hasBufStateInfo (uentry p_ue);
622# define uentry_hasBufStateInfo(p_ue) \
623 (((p_ue)->info->var->bufinfo != NULL) ? TRUE : FALSE)
624
84c9ffbf 625/*@unused@*/ extern bool uentry_isNullTerminated(/*@sef@*/uentry p_ue);
1ac6313d 626# define uentry_isNullTerminated(p_ue) \
bb7c2085 627 ( uentry_hasBufStateInfo((p_ue ) ) ? ((p_ue)->info->var->bufinfo->bufstate \
1ac6313d 628 == BB_NULLTERMINATED) : FALSE)
629
84c9ffbf 630/*@unused@*/ extern bool uentry_isPossiblyNullTerminated( /*@sef@*/ uentry p_ue);
1ac6313d 631# define uentry_isPossiblyNullTerminated(p_ue) \
bb7c2085 632 ( uentry_hasBufStateInfo((p_ue)) ? ((p_ue)->info->var->bufinfo->bufstate \
1ac6313d 633 == BB_POSSIBLYNULLTERMINATED) : FALSE)
634
84c9ffbf 635/*@unused@*/ extern bool uentry_isNotNullTerminated( /*@sef@*/ uentry p_ue);
1ac6313d 636# define uentry_isNotNullTerminated(p_ue) \
bb7c2085 637 ( uentry_hasBufStateInfo((p_ue) ) ? ((p_ue)->info->var->bufinfo->bufstate \
1ac6313d 638 == BB_NOTNULLTERMINATED) : FALSE)
4cccc6ad 639/*@=nullderef@*/
1ac6313d 640
641/* end modifications */
642
28bf4b0b 643extern uentry uentry_makeGlobalMarker (void) ;
644extern bool uentry_isGlobalMarker (uentry) /*@*/ ;
645
7ebcc5bb 646extern /*@exposed@*/ uentry uentry_makeUnrecognized (cstring p_c, /*@only@*/ fileloc p_loc);
28bf4b0b 647
885824d3 648# ifdef DOANNOTS
5e211f69 649typedef enum
650{
651 AN_UNKNOWN, AN_FCNRETURN, AN_FCNPARAM, AN_SUFIELD, AN_TDEFN, AN_GSVAR,
652 AN_CONST, AN_LAST
653} ancontext;
885824d3 654
655extern void initAnnots ();
656extern void printAnnots (void);
657extern void uentry_tallyAnnots (uentry u, ancontext kind);
658# endif /* DOANNOTS */
659
ba45e1e4 660extern bool uentry_hasMetaStateEnsures (uentry p_e) /*@*/ ;
ccf0a4a8 661extern /*@only@*/ metaStateConstraintList uentry_getMetaStateEnsures (uentry p_e);
ba45e1e4 662
4cccc6ad 663/* start modifications */
b7b694d6 664
93307a76 665/*drl7x*/
28bf4b0b 666extern constraintList uentry_getFcnPreconditions (uentry p_ue);
667extern constraintList uentry_getFcnPostconditions (uentry p_ue);
920a3797 668
3814599d 669extern void uentry_setPostconditions (uentry p_ue, /*@only@*/ functionConstraint p_postconditions);
670
671extern void uentry_setPreconditions (uentry p_ue, /*@only@*/ functionConstraint p_preconditions);
b7b694d6 672/*end mods*/
4cccc6ad 673
6483a926 674/*
675** For debugging only
676*/
677
678# ifdef DEBUGSPLINT
679extern void uentry_checkValid (uentry p_ue) /*@modifies g_errorstream@*/ ;
680# endif
681
885824d3 682# else
683# error "Multiple include"
684# endif
685
686
687
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