]> andersk Git - splint.git/blame_incremental - src/constraintList.c
REmoved non-working test from make file and changed .expects to reflect the new messa...
[splint.git] / src / constraintList.c
... / ...
CommitLineData
1/*
2** LCLint - annotation-assisted static program checker
3** Copyright (C) 1994-2000 University of Virginia,
4** Massachusetts Institute of Technology
5**
6** This program is free software; you can redistribute it and/or modify it
7** under the terms of the GNU General Public License as published by the
8** Free Software Foundation; either version 2 of the License, or (at your
9** option) any later version.
10**
11** This program is distributed in the hope that it will be useful, but
12** WITHOUT ANY WARRANTY; without even the implied warranty of
13** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14** General Public License for more details.
15**
16** The GNU General Public License is available from http://www.gnu.org/ or
17** the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
18** MA 02111-1307, USA.
19**
20** For information on lclint: lclint-request@cs.virginia.edu
21** To report a bug: lclint-bug@cs.virginia.edu
22** For more information: http://lclint.cs.virginia.edu
23*/
24/*
25** constraintList.c
26**
27** based on list_template.c
28**
29** where T has T_equal (or change this) and T_unparse
30*/
31
32# include "lclintMacros.nf"
33# include "llbasic.h"
34
35
36/*@iter constraintList_elements_private_only (sef constraintList x, yield only constraint el); @*/
37# define constraintList_elements_private_only(x, m_el) \
38 { if (constraintList_isDefined (x)) { int m_ind; constraint *m_elements = &((x)->elements[0]); \
39 for (m_ind = 0 ; m_ind < (x)->nelements; m_ind++) \
40 { constraint m_el = *(m_elements++);
41
42# define end_constraintList_elements_private_only }}}
43
44
45/*@iter constraintList_elements_private (sef constraintList x, yield constraint el); @*/
46# define constraintList_elements_private(x, m_el) \
47 { if (constraintList_isDefined (x)) { int m_ind; constraint *m_elements = &((x)->elements[0]); \
48 for (m_ind = 0 ; m_ind < (x)->nelements; m_ind++) \
49 { constraint m_el = *(m_elements++);
50
51# define end_constraintList_elements_private }}}
52
53
54/*@only@*/ constraintList constraintList_makeNew ()
55{
56 constraintList s = (constraintList) dmalloc (sizeof (*s));
57
58 s->nelements = 0;
59 s->nspace = constraintListBASESIZE;
60 s->elements = (constraint *)
61 dmalloc (sizeof (*s->elements) * constraintListBASESIZE);
62
63 return (s);
64}
65
66static void
67constraintList_grow (constraintList s)
68{
69 int i;
70 constraint *newelements;
71
72 llassert (constraintList_isDefined (s));
73
74 s->nspace += constraintListBASESIZE;
75 newelements = (constraint *) dmalloc (sizeof (*newelements)
76 * (s->nelements + s->nspace));
77
78 for (i = 0; i < s->nelements; i++)
79 {
80 newelements[i] = s->elements[i];
81 }
82
83 sfree (s->elements);
84 s->elements = newelements;
85}
86
87
88constraintList
89constraintList_add (/*@returned@*/ constraintList s, /*@only@*/ constraint el)
90{
91 llassert (constraintList_isDefined (s));
92
93 /*drl7x */
94 // el = constraint_simplify (el);
95 if (constraintList_resolve (el, s) )
96 {
97 constraint_free (el);
98 return s;
99 }
100
101 if (s->nspace <= 0)
102 constraintList_grow (s);
103
104 s->nspace--;
105 s->elements[s->nelements] = el;
106 s->nelements++;
107 return s;
108}
109
110/* frees everything but actual constraints */
111/* This function should only be used if you have
112 other references to unshared constraints
113*/
114static void constraintList_freeShallow (/*@only@*/ constraintList c)
115{
116 if (constraintList_isDefined(c) )
117 {
118 free (c->elements);
119 c->elements = NULL;
120 c->nelements = -1;
121 c->nspace = -1;
122 }
123 free (c);
124 c = NULL;
125}
126
127/*@only@*/ constraintList constraintList_addList (/*@only@*/ /*@returned@*/ constraintList s, /*@observer@*/ constraintList newList)
128{
129 llassert(constraintList_isDefined(s) );
130 llassert(constraintList_isDefined(newList) );
131
132 if (newList == constraintList_undefined)
133 return s;
134
135 constraintList_elements (newList, elem)
136 {
137 s = constraintList_add (s, constraint_copy(elem) );
138 }
139 end_constraintList_elements;
140
141 return s;
142}
143
144constraintList constraintList_addListFree (/*@returned@*/ constraintList s, /*@only@*/ constraintList newList)
145{
146 llassert(constraintList_isDefined(s) );
147 llassert(constraintList_isDefined(newList) );
148
149 if (constraintList_isUndefined(newList) )
150 return s;
151
152 constraintList_elements_private_only(newList, elem)
153 {
154 s = constraintList_add (s, elem);
155 }
156 end_constraintList_elements_private_only
157
158 constraintList_freeShallow(newList);
159 return s;
160}
161
162
163extern /*@only@*/ cstring constraintList_unparse ( /*@observer@*/ constraintList s) /*@*/
164{
165 return (constraintList_print(s));
166}
167
168
169/*@only@*/ cstring
170constraintList_print (/*@temp@*/ constraintList s) /*@*/
171{
172 int i;
173 cstring st = cstring_undefined;
174 bool first = TRUE;
175
176 if (!constraintList_isDefined (s))
177 {
178 return cstring_makeLiteral ("<undefined>");
179 }
180
181 if (s->nelements == 0)
182 {
183 st = cstring_makeLiteral("<List Empty>");
184 return st;
185 }
186
187 for (i = 0; i < s->nelements; i++)
188 {
189 cstring type = cstring_undefined;
190 constraint current = s->elements[i];
191
192 if (constraint_isDefined(current) )
193 {
194 cstring temp1;
195 if ( context_getFlag (FLG_ORCONSTRAINT) )
196 temp1 = constraint_printOr(current);
197 else
198 temp1 = constraint_print(current);
199 type = message ("%q %q\n", type, temp1 );
200 }
201
202 if (first)
203 {
204 st = type;
205 first = FALSE;
206 }
207 else
208 {
209 st = message ("%q, %q", st, type);
210 }
211 } //end for
212
213 return st;
214}
215
216void constraintList_printErrorPostConditions (constraintList s, fileloc loc)
217{
218
219 constraintList_elements (s, elem)
220 {
221 if (constraint_isDefined(elem))
222 {
223 constraint_printErrorPostCondition (elem, loc);
224 }
225 }
226 end_constraintList_elements;
227 return;
228}
229
230void constraintList_printError (constraintList s, fileloc loc)
231{
232
233 constraintList_elements (s, elem)
234 {
235 if (constraint_isDefined(elem) )
236 {
237 if (constraint_isPost(elem) )
238 constraint_printErrorPostCondition (elem, loc);
239 else
240 constraint_printError (elem, loc);
241 }
242 }
243 end_constraintList_elements;
244 return;
245}
246
247
248cstring
249constraintList_printDetailed (constraintList s)
250{
251 int i;
252 cstring st = cstring_undefined;
253 bool first = TRUE;
254
255 if (!constraintList_isDefined (s))
256 {
257 return cstring_makeLiteral ("<undefined>");
258 }
259
260 if (s->nelements == 0)
261 {
262 st = cstring_makeLiteral("<List Empty>");
263 return st;
264 }
265
266 for (i = 0; i < s->nelements; i++)
267 {
268 cstring type = cstring_undefined;
269 constraint current = s->elements[i];
270
271 if (constraint_isDefined(current ) )
272 {
273 cstring temp1 = constraint_printDetailed (current);
274 type = message ("%s %s\n", type, temp1 );
275 cstring_free(temp1);
276 }
277
278 if (first)
279 {
280 st = type;
281 first = FALSE;
282 type = NULL;
283 }
284 else
285 {
286 st = message ("%q %q", st, type);
287 }
288 }
289 return st;
290}
291
292/*{ x: constraint | (x in l1 -> resolve (x, l2) || (x in l2 -> resolve (x, l1)
293} */
294
295constraintList
296constraintList_logicalOr (/*@observer@*/ constraintList l1, /*@observer@*/ constraintList l2)
297{
298 constraint temp;
299 constraintList ret;
300 DPRINTF ( (message ("Logical or on %s and %s",
301 constraintList_print(l1),
302 constraintList_print(l2)) ) );
303
304 ret = constraintList_makeNew();
305 constraintList_elements (l1, el)
306 {
307 temp = constraint_substitute (el, l2);
308
309 if (constraintList_resolve (el, l2) || constraintList_resolve(temp,l2) )
310 { /*avoid redundant constraints*/
311 if (!constraintList_resolve (el, ret) )
312 {
313 constraint temp2;
314 temp2 = constraint_copy(el);
315 ret = constraintList_add (ret, temp2);
316 }
317 }
318 constraint_free(temp);
319 }
320 end_constraintList_elements;
321
322 constraintList_elements (l2, el)
323 {
324 temp = constraint_substitute (el, l1);
325
326 if (constraintList_resolve (el, l1) || constraintList_resolve(temp,l1) )
327 {
328 /*avoid redundant constraints*/
329 if (!constraintList_resolve (el, ret) )
330 {
331 constraint temp2;
332 temp2 = constraint_copy(el);
333 ret = constraintList_add (ret, temp2);
334 }
335 }
336 constraint_free(temp);
337 }
338 end_constraintList_elements;
339
340
341 return ret;
342}
343
344void
345constraintList_free (/*@only@*/ constraintList s)
346{
347 int i;
348
349 llassert(constraintList_isDefined(s) );
350
351
352 for (i = 0; i < s->nelements; i++)
353 {
354 constraint_free (s->elements[i]);
355 }
356
357 sfree (s->elements);
358 s->elements = NULL;
359 s->nelements = -1;
360 s->nspace = -1;
361 sfree (s);
362 s = NULL;
363}
364
365constraintList
366constraintList_copy (/*@observer@*/ /*@temp@*/ constraintList s)
367{
368 constraintList ret = constraintList_makeNew ();
369
370 constraintList_elements (s, el)
371 {
372 ret = constraintList_add (ret, constraint_copy (el));
373 } end_constraintList_elements;
374
375 return ret;
376}
377
378constraintList constraintList_preserveOrig (constraintList c)
379{
380 DPRINTF((message("constraintList_preserveOrig preserving the originial constraints for %s ", constraintList_print (c) ) ));
381
382 constraintList_elements_private (c, el)
383 {
384 el = constraint_preserveOrig (el);
385 }
386 end_constraintList_elements_private;
387 return c;
388}
389
390constraintList constraintList_preserveCallInfo (/*@returned@*/ constraintList c,/*@observer@*/ /*@dependent@*/ /*@observer@*/ exprNode fcn)
391{
392 DPRINTF((message("constraintList_preserveCallInfo %s ", constraintList_print (c) ) ));
393
394 constraintList_elements_private (c, el)
395 {
396 // el = constraint_preserveOrig (el);
397 el = constraint_setFcnPre(el);
398 el = constraint_origAddGeneratingExpr (el, fcn);
399 }
400 end_constraintList_elements_private;
401 return c;
402}
403
404constraintList constraintList_single (constraint c)
405{
406 constraintList res;
407 res = constraintList_makeNew();
408 res = constraintList_add (res, c);
409 return res;
410}
411
412constraintList constraintList_addGeneratingExpr (constraintList c,/*@dependent@*/ exprNode e)
413{
414 DPRINTF ((message ("entering constraintList_addGeneratingExpr for %s ", exprNode_unparse(e) ) ));
415
416 constraintList_elements_private (c, el)
417 {
418 DPRINTF ((message ("setting generatingExpr for %s to %s", constraint_print(el), exprNode_unparse(e) ) ));
419 el = constraint_addGeneratingExpr (el, e);
420 }
421 end_constraintList_elements_private;
422 return c;
423}
424
425/*@only@*/ constraintList constraintList_doFixResult (/*@only@*/constraintList postconditions, exprNode fcnCall)
426{
427 constraintList ret;
428 ret = constraintList_makeNew();
429 constraintList_elements_private (postconditions, el)
430 {
431 ret = constraintList_add (ret, constraint_doFixResult (el, fcnCall) );
432 }
433 end_constraintList_elements_private;
434
435 constraintList_free(postconditions);
436 return ret;
437}
438
439/*@only@*/ constraintList constraintList_doSRefFixConstraintParam (constraintList preconditions, /*@temp@*/ /*@observer@*/ exprNodeList arglist)
440{
441 constraintList ret;
442 ret = constraintList_makeNew();
443
444 constraintList_elements (preconditions, el)
445 {
446 ret = constraintList_add(ret, constraint_doSRefFixConstraintParam (el, arglist) );
447 }
448 end_constraintList_elements;
449
450 constraintList_free (preconditions);
451
452 return ret;
453}
454constraintList constraintList_doSRefFixBaseParam (constraintList preconditions, /*@observer@*/
455 exprNodeList arglist)
456{
457 constraintList ret;
458 constraint temp;
459 ret = constraintList_makeNew();
460
461 constraintList_elements (preconditions, el)
462 {
463 temp = constraint_copy(el);
464 ret = constraintList_add(ret, constraint_doSRefFixBaseParam (temp, arglist) );
465 }
466 end_constraintList_elements;
467
468 return ret;
469}
470
471constraintList constraintList_togglePost (/*@returned@*/ constraintList c)
472{
473 constraintList_elements_private (c, el)
474 {
475 el = constraint_togglePost(el);
476 if (constraint_hasOrig(el) )
477 {
478 el = constraint_togglePostOrig (el);
479 }
480 }
481 end_constraintList_elements_private;
482 return c;
483}
484
485/*@only@*/ constraintList constraintList_undump (FILE *f)
486{
487 constraintList ret;
488 char *s = mstring_create (MAX_DUMP_LINE_LENGTH);
489 char *os;
490
491 ret = constraintList_makeNew();
492
493 os = s;
494 s = fgets (os, MAX_DUMP_LINE_LENGTH, f);
495
496 while (s != NULL && *s != ';')
497 {
498 constraint temp;
499 char * c;
500
501 c = reader_getWord(&s);
502
503 if (strcmp (c, "C") != 0)
504 {
505 llfatalbug(message("Error reading library. File may be corrupted"));
506 }
507
508 temp = constraint_undump (f);
509 ret = constraintList_add (ret, temp);
510 s = fgets (os, MAX_DUMP_LINE_LENGTH, f);
511 free(c);
512 }
513 free(s);
514
515 return ret;
516}
517
518
519void constraintList_dump (/*@observer@*/ constraintList c, FILE *f)
520{
521 constraintList_elements (c, el)
522 {
523 fprintf(f, "C\n");
524 constraint_dump (el, f);
525 }
526 end_constraintList_elements; ;
527}
528
529
530constraintList constraintList_sort (/*@returned@*/ constraintList ret)
531{
532 qsort (ret->elements, (size_t) ret->nelements,
533 (sizeof (*ret->elements) ), constraint_compare);
534 return ret;
535}
This page took 0.104446 seconds and 5 git commands to generate.