2 ** LCLint - annotation-assisted static program checker
3 ** Copyright (C) 1994-2000 University of Virginia,
4 ** Massachusetts Institute of Technology
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.
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.
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.
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
27 ** based on list_template.c
29 ** where T has T_equal (or change this) and T_unparse
32 # include "lclintMacros.nf"
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++);
42 # define end_constraintList_elements_private_only }}}
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++);
51 # define end_constraintList_elements_private }}}
54 constraintList constraintList_makeNew ()
56 constraintList s = (constraintList) dmalloc (sizeof (*s));
59 s->nspace = constraintListBASESIZE;
60 s->elements = (constraint *)
61 dmalloc (sizeof (*s->elements) * constraintListBASESIZE);
67 constraintList_grow (constraintList s)
70 constraint *newelements;
72 llassert (constraintList_isDefined (s));
74 s->nspace += constraintListBASESIZE;
75 newelements = (constraint *) dmalloc (sizeof (*newelements)
76 * (s->nelements + s->nspace));
78 for (i = 0; i < s->nelements; i++)
80 newelements[i] = s->elements[i];
84 s->elements = newelements;
89 constraintList_add (/*@returned@*/ constraintList s, /*@only@*/ constraint el)
91 llassert (constraintList_isDefined (s));
94 // el = constraint_simplify (el);
95 if (constraintList_resolve (el, s) )
102 constraintList_grow (s);
105 s->elements[s->nelements] = el;
110 /* frees everything but actual constraints */
111 /* This function should only be used if you have
112 other references to unshared constraints
114 static void constraintList_freeShallow (/*@only@*/ constraintList c)
116 if (constraintList_isDefined(c) )
127 /*@only@*/ constraintList constraintList_addList (/*@only@*/ /*@returned@*/ constraintList s, /*@observer@*/ constraintList newList)
129 llassert(constraintList_isDefined(s) );
130 llassert(constraintList_isDefined(newList) );
132 if (newList == constraintList_undefined)
135 constraintList_elements (newList, elem)
137 s = constraintList_add (s, constraint_copy(elem) );
139 end_constraintList_elements;
144 constraintList constraintList_addListFree (/*@returned@*/ constraintList s, /*@only@*/ constraintList newList)
146 llassert(constraintList_isDefined(s) );
147 llassert(constraintList_isDefined(newList) );
149 if (constraintList_isUndefined(newList) )
152 constraintList_elements_private_only(newList, elem)
154 s = constraintList_add (s, elem);
156 end_constraintList_elements_private_only
158 constraintList_freeShallow(newList);
163 extern /*@only@*/ cstring constraintList_unparse ( /*@observer@*/ constraintList s) /*@*/
165 return (constraintList_print(s));
172 constraintList_print (/*@temp@*/ constraintList s) /*@*/
175 cstring st = cstring_undefined;
178 if (!constraintList_isDefined (s))
180 return cstring_makeLiteral ("<undefined>");
183 if (s->nelements == 0)
185 st = cstring_makeLiteral("<List Empty>");
189 for (i = 0; i < s->nelements; i++)
191 cstring type = cstring_undefined;
192 constraint current = s->elements[i];
194 if (constraint_isDefined(current) )
197 if ( context_getFlag (FLG_ORCONSTRAINT) )
198 temp1 = constraint_printOr(current);
200 temp1 = constraint_print(current);
201 type = message ("%q %q\n", type, temp1 );
211 st = message ("%q, %q", st, type);
218 void constraintList_printErrorPostConditions (constraintList s, fileloc loc)
221 constraintList_elements (s, elem)
223 if (constraint_isDefined(elem))
225 constraint_printErrorPostCondition (elem, loc);
228 end_constraintList_elements;
232 void constraintList_printError (constraintList s, fileloc loc)
235 constraintList_elements (s, elem)
237 if (constraint_isDefined(elem) )
239 constraint_printError (elem, loc);
242 end_constraintList_elements;
248 constraintList_printDetailed (constraintList s)
251 cstring st = cstring_undefined;
254 if (!constraintList_isDefined (s))
256 return cstring_makeLiteral ("<undefined>");
259 if (s->nelements == 0)
261 st = cstring_makeLiteral("<List Empty>");
265 for (i = 0; i < s->nelements; i++)
267 cstring type = cstring_undefined;
268 constraint current = s->elements[i];
270 if (constraint_isDefined(current ) )
272 cstring temp1 = constraint_printDetailed (current);
273 type = message ("%s %s\n", type, temp1 );
285 st = message ("%q %q", st, type);
291 /*{ x: constraint | (x in l1 -> resolve (x, l2) || (x in l2 -> resolve (x, l1)
295 constraintList_logicalOr (/*@observer@*/ constraintList l1, /*@observer@*/ constraintList l2)
299 DPRINTF ( (message ("Logical or on %s and %s",
300 constraintList_print(l1),
301 constraintList_print(l2)) ) );
303 ret = constraintList_makeNew();
304 constraintList_elements (l1, el)
306 temp = constraint_substitute (el, l2);
308 if (constraintList_resolve (el, l2) || constraintList_resolve(temp,l2) )
309 { /*avoid redundant constraints*/
310 if (!constraintList_resolve (el, ret) )
313 temp2 = constraint_copy(el);
314 ret = constraintList_add (ret, temp2);
317 constraint_free(temp);
319 end_constraintList_elements;
321 constraintList_elements (l2, el)
323 temp = constraint_substitute (el, l1);
325 if (constraintList_resolve (el, l1) || constraintList_resolve(temp,l1) )
327 /*avoid redundant constraints*/
328 if (!constraintList_resolve (el, ret) )
331 temp2 = constraint_copy(el);
332 ret = constraintList_add (ret, temp2);
335 constraint_free(temp);
337 end_constraintList_elements;
344 constraintList_free (/*@only@*/ constraintList s)
348 llassert(constraintList_isDefined(s) );
351 for (i = 0; i < s->nelements; i++)
353 constraint_free (s->elements[i]);
365 constraintList_copy (/*@oberserver@*/ /*@temp@*/ constraintList s)
367 constraintList ret = constraintList_makeNew ();
369 constraintList_elements (s, el)
371 ret = constraintList_add (ret, constraint_copy (el));
372 } end_constraintList_elements;
377 constraintList constraintList_preserveOrig (constraintList c)
379 DPRINTF((message("constraintList_preserveOrig preserving the originial constraints for %s ", constraintList_print (c) ) ));
381 constraintList_elements_private (c, el)
383 el = constraint_preserveOrig (el);
385 end_constraintList_elements_private;
389 constraintList constraintList_preserveCallInfo (/*@returned@*/ constraintList c,/*@observer@*/ /*@depenent@*/ /*@observer@*/ exprNode fcn)
391 DPRINTF((message("constraintList_preserveOrig preserving the originial constraints for %s ", constraintList_print (c) ) ));
393 constraintList_elements_private (c, el)
395 // el = constraint_preserveOrig (el);
396 el = constraint_setFcnPre(el);
397 el = constraint_origAddGeneratingExpr (el, fcn);
399 end_constraintList_elements_private;
405 constraintList constraintList_addGeneratingExpr (constraintList c,/*@dependent@*/ exprNode e)
407 DPRINTF ((message ("entering constraintList_addGeneratingExpr for %s ", exprNode_unparse(e) ) ));
409 constraintList_elements_private (c, el)
411 DPRINTF ((message ("setting generatingExpr for %s to %s", constraint_print(el), exprNode_unparse(e) ) ));
412 el = constraint_addGeneratingExpr (el, e);
414 end_constraintList_elements_private;
418 /*@only@*/ constraintList constraintList_doFixResult (/*@only@*/constraintList postconditions, exprNode fcnCall)
421 ret = constraintList_makeNew();
422 constraintList_elements_private (postconditions, el)
424 ret = constraintList_add (ret, constraint_doFixResult (el, fcnCall) );
426 end_constraintList_elements_private;
428 constraintList_free(postconditions);
432 /*@only@*/ constraintList constraintList_doSRefFixConstraintParam (constraintList preconditions, /*@temp@*/ /*@observer@*/ exprNodeList arglist)
435 ret = constraintList_makeNew();
437 constraintList_elements (preconditions, el)
439 ret = constraintList_add(ret, constraint_doSRefFixConstraintParam (el, arglist) );
441 end_constraintList_elements;
443 constraintList_free (preconditions);
447 constraintList constraintList_doSRefFixBaseParam (constraintList preconditions, /*@observer@*/
448 exprNodeList arglist)
452 ret = constraintList_makeNew();
454 constraintList_elements (preconditions, el)
456 temp = constraint_copy(el);
457 ret = constraintList_add(ret, constraint_doSRefFixBaseParam (temp, arglist) );
459 end_constraintList_elements;
464 constraintList constraintList_togglePost (/*@returned@*/ constraintList c)
466 constraintList_elements_private (c, el)
468 el = constraint_togglePost(el);
469 if (constraint_hasOrig(el) )
471 el = constraint_togglePostOrig (el);
474 end_constraintList_elements_private;
478 /*@only@*/ constraintList constraintList_undump (FILE *f)
481 char *s = mstring_create (MAX_DUMP_LINE_LENGTH);
484 ret = constraintList_makeNew();
487 s = fgets (os, MAX_DUMP_LINE_LENGTH, f);
489 while (s != NULL && *s != ';')
494 c = reader_getWord(&s);
496 if (strcmp (c, "C") != 0)
498 llfatalbug(message("Error reading library. File may be corrupted"));
501 temp = constraint_undump (f);
502 ret = constraintList_add (ret, temp);
503 s = fgets (os, MAX_DUMP_LINE_LENGTH, f);
512 void constraintList_dump (/*@observer@*/ constraintList c, FILE *f)
514 constraintList_elements (c, el)
517 constraint_dump (el, f);
519 end_constraintList_elements; ;