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 (sef constraintList x, yield constraint el); @*/
37 # define constraintList_elements_private(x, m_el) \
38 { 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 }}
45 constraintList constraintList_makeNew ()
47 constraintList s = (constraintList) dmalloc (sizeof (*s));
50 s->nspace = constraintListBASESIZE;
51 s->elements = (constraint *)
52 dmalloc (sizeof (*s->elements) * constraintListBASESIZE);
58 constraintList_grow (constraintList s)
61 constraint *newelements;
63 s->nspace += constraintListBASESIZE;
64 newelements = (constraint *) dmalloc (sizeof (*newelements)
65 * (s->nelements + s->nspace));
67 for (i = 0; i < s->nelements; i++)
69 newelements[i] = s->elements[i];
73 s->elements = newelements;
78 constraintList_add (/*@returned@*/ constraintList s, /*@only@*/ constraint el)
81 // el = constraint_simplify (el);
89 constraintList_grow (s);
92 s->elements[s->nelements] = el;
97 /* frees everything but actual constraints */
98 /* This function should only be used if you have
99 other references to unshared constraints
101 static void constraintList_freeShallow (/*@only@*/ constraintList c)
103 if (constraintList_isDefined(c) )
114 /*@only@*/ constraintList constraintList_addList (/*@returned@*/ constraintList s, /*@observer@*/ constraintList new)
116 llassert(constraintList_isDefined(s) );
117 llassert(constraintList_isDefined(new) );
119 if (new == constraintList_undefined)
122 constraintList_elements (new, elem)
124 s = constraintList_add (s, constraint_copy(elem) );
126 end_constraintList_elements;
133 /*@only@*/ constraintList constraintList_addListFree (/*@only@*/ constraintList s, /*@only@*/ constraintList new)
135 llassert(constraintList_isDefined(s) );
136 llassert(constraintList_isDefined(new) );
138 if (new == constraintList_undefined)
141 constraintList_elements_private(new, elem)
143 s = constraintList_add (s, elem);
145 end_constraintList_elements_private
147 constraintList_freeShallow(new);
152 constraintList_print (constraintList s) /*@*/
155 cstring st = cstring_undefined;
158 if (s->nelements == 0)
160 st = cstring_makeLiteral("<List Empty>");
164 for (i = 0; i < s->nelements; i++)
166 cstring type = cstring_undefined;
167 constraint current = s->elements[i];
172 if ( context_getFlag (FLG_ORCONSTRAINT) )
173 temp1 = constraint_printOr(current);
175 temp1 = constraint_print(current);
176 type = message ("%q %q\n", type, temp1 );
186 st = message ("%q, %q", st, type);
193 void constraintList_printErrorPostConditions (constraintList s, fileloc loc)
196 constraintList_elements (s, elem)
200 constraint_printErrorPostCondition (elem, loc);
203 end_constraintList_elements;
208 void constraintList_printError (constraintList s, fileloc loc)
211 constraintList_elements (s, elem)
215 constraint_printError (elem, loc);
218 end_constraintList_elements;
224 constraintList_printDetailed (constraintList s)
227 cstring st = cstring_undefined;
230 if (s->nelements == 0)
232 st = cstring_makeLiteral("<List Empty>");
236 for (i = 0; i < s->nelements; i++)
238 cstring type = cstring_undefined;
239 constraint current = s->elements[i];
243 cstring temp1 = constraint_printDetailed (current);
244 type = message ("%s %s\n", type, temp1 );
255 st = message ("%s %s", st, type);
261 /*{ x: constraint | (x in l1 -> resolve (x, l2) || (x in l2 -> resolve (x, l1)
265 constraintList_logicalOr (/*@observer@*/ constraintList l1, /*@observer@*/ constraintList l2)
269 DPRINTF ( (message ("Logical or on %s and %s",
270 constraintList_print(l1),
271 constraintList_print(l2)) ) );
273 ret = constraintList_makeNew();
274 constraintList_elements (l1, el)
276 temp = substitute (el, l2);
278 if (resolve (el, l2) || resolve(temp,l2) )
279 { /*avoid redundant constraints*/
280 if (!resolve (el, ret) )
283 temp2 = constraint_copy(el);
284 ret = constraintList_add (ret, temp2);
287 constraint_free(temp);
289 end_constraintList_elements;
291 constraintList_elements (l2, el)
293 temp = substitute (el, l1);
295 if (resolve (el, l1) || resolve(temp,l1) )
297 /*avoid redundant constraints*/
298 if (!resolve (el, ret) )
301 temp2 = constraint_copy(el);
302 ret = constraintList_add (ret, temp2);
305 constraint_free(temp);
307 end_constraintList_elements;
314 constraintList_free (/*@only@*/ constraintList s)
318 llassert(constraintList_isDefined(s) );
321 for (i = 0; i < s->nelements; i++)
323 constraint_free (s->elements[i]);
335 constraintList_copy (constraintList s)
337 constraintList ret = constraintList_makeNew ();
339 constraintList_elements (s, el)
341 ret = constraintList_add (ret, constraint_copy (el));
342 } end_constraintList_elements;
347 constraintList constraintList_preserveOrig (constraintList c)
349 DPRINTF((message("constraintList_preserveOrig preserving the originial constraints for %s ", constraintList_print (c) ) ));
351 constraintList_elements_private (c, el)
353 el = constraint_preserveOrig (el);
355 end_constraintList_elements_private;
359 constraintList constraintList_preserveCallInfo (/*@returned@*/ constraintList c, exprNode fcn)
361 DPRINTF((message("constraintList_preserveOrig preserving the originial constraints for %s ", constraintList_print (c) ) ));
363 constraintList_elements_private (c, el)
365 // el = constraint_preserveOrig (el);
366 el = constraint_setFcnPre(el);
367 el = constraint_origAddGeneratingExpr (el, fcn);
369 end_constraintList_elements_private;
375 constraintList constraintList_addGeneratingExpr (constraintList c, exprNode e)
377 DPRINTF ((message ("entering constraintList_addGeneratingExpr for %s ", exprNode_unparse(e) ) ));
379 constraintList_elements_private (c, el)
381 DPRINTF ((message ("setting generatingExpr for %s to %s", constraint_print(el), exprNode_unparse(e) ) ));
382 el = constraint_addGeneratingExpr (el, e);
384 end_constraintList_elements_private;
388 /*@only@*/ constraintList constraintList_doFixResult (/*@only@*/constraintList postconditions, exprNode fcnCall)
391 ret = constraintList_makeNew();
392 constraintList_elements_private (postconditions, el)
394 ret = constraintList_add (ret, constraint_doFixResult (el, fcnCall) );
396 end_constraintList_elements_private;
398 constraintList_free(postconditions);
402 /*@only@*/ constraintList constraintList_doSRefFixConstraintParam (constraintList preconditions, exprNodeList arglist)
405 ret = constraintList_makeNew();
407 constraintList_elements (preconditions, el)
409 ret = constraintList_add(ret, constraint_doSRefFixConstraintParam (el, arglist) );
411 end_constraintList_elements;
413 constraintList_free (preconditions);
417 constraintList constraintList_doSRefFixBaseParam (/*@observer@*/ constraintList preconditions, /*@observer@*/
418 exprNodeList arglist)
422 ret = constraintList_makeNew();
424 constraintList_elements (preconditions, el)
426 temp = constraint_copy(el);
427 ret = constraintList_add(ret, constraint_doSRefFixBaseParam (temp, arglist) );
429 end_constraintList_elements;
434 constraintList constraintList_togglePost (/*@returned@*/ constraintList c)
436 constraintList_elements_private (c, el)
438 el = constraint_togglePost(el);
441 el->orig = constraint_togglePost(el->orig);
444 end_constraintList_elements_private;