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_printError (constraintList s, fileloc loc)
196 constraintList_elements (s, elem)
200 constraint_printError (elem, loc);
203 end_constraintList_elements;
208 constraintList_printDetailed (constraintList s)
211 cstring st = cstring_undefined;
214 if (s->nelements == 0)
216 st = cstring_makeLiteral("<List Empty>");
220 for (i = 0; i < s->nelements; i++)
222 cstring type = cstring_undefined;
223 constraint current = s->elements[i];
227 cstring temp1 = constraint_printDetailed (current);
228 type = message ("%s %s\n", type, temp1 );
239 st = message ("%s %s", st, type);
245 /*{ x: constraint | (x in l1 -> resolve (x, l2) || (x in l2 -> resolve (x, l1)
249 constraintList_logicalOr (/*@observer@*/ constraintList l1, /*@observer@*/ constraintList l2)
253 DPRINTF ( (message ("Logical or on %s and %s",
254 constraintList_print(l1),
255 constraintList_print(l2)) ) );
257 ret = constraintList_makeNew();
258 constraintList_elements (l1, el)
260 temp = substitute (el, l2);
262 if (resolve (el, l2) || resolve(temp,l2) )
263 { /*avoid redundant constraints*/
264 if (!resolve (el, ret) )
267 temp2 = constraint_copy(el);
268 ret = constraintList_add (ret, temp2);
271 constraint_free(temp);
273 end_constraintList_elements;
275 constraintList_elements (l2, el)
277 temp = substitute (el, l1);
279 if (resolve (el, l1) || resolve(temp,l1) )
281 /*avoid redundant constraints*/
282 if (!resolve (el, ret) )
285 temp2 = constraint_copy(el);
286 ret = constraintList_add (ret, temp2);
289 constraint_free(temp);
291 end_constraintList_elements;
298 constraintList_free (/*@only@*/ constraintList s)
302 llassert(constraintList_isDefined(s) );
305 for (i = 0; i < s->nelements; i++)
307 constraint_free (s->elements[i]);
319 constraintList_copy (constraintList s)
321 constraintList ret = constraintList_makeNew ();
323 constraintList_elements (s, el)
325 ret = constraintList_add (ret, constraint_copy (el));
326 } end_constraintList_elements;
331 constraintList constraintList_preserveOrig (constraintList c)
333 DPRINTF((message("constraintList_preserveOrig preserving the originial constraints for %s ", constraintList_print (c) ) ));
335 constraintList_elements_private (c, el)
337 el = constraint_preserveOrig (el);
339 end_constraintList_elements_private;
343 constraintList constraintList_preserveCallInfo (/*@returned@*/ constraintList c, exprNode fcn)
345 DPRINTF((message("constraintList_preserveOrig preserving the originial constraints for %s ", constraintList_print (c) ) ));
347 constraintList_elements_private (c, el)
349 // el = constraint_preserveOrig (el);
350 el = constraint_setFcnPre(el);
351 el = constraint_origAddGeneratingExpr (el, fcn);
353 end_constraintList_elements_private;
359 constraintList constraintList_addGeneratingExpr (constraintList c, exprNode e)
361 DPRINTF ((message ("entering constraintList_addGeneratingExpr for %s ", exprNode_unparse(e) ) ));
363 constraintList_elements_private (c, el)
365 DPRINTF ((message ("setting generatingExpr for %s to %s", constraint_print(el), exprNode_unparse(e) ) ));
366 el = constraint_addGeneratingExpr (el, e);
368 end_constraintList_elements_private;
372 /*@only@*/ constraintList constraintList_doFixResult (/*@only@*/constraintList postconditions, exprNode fcnCall)
375 ret = constraintList_makeNew();
376 constraintList_elements_private (postconditions, el)
378 ret = constraintList_add (ret, constraint_doFixResult (el, fcnCall) );
380 end_constraintList_elements_private;
382 constraintList_free(postconditions);
386 /*@only@*/ constraintList constraintList_doSRefFixConstraintParam (constraintList preconditions, exprNodeList arglist)
389 ret = constraintList_makeNew();
391 constraintList_elements (preconditions, el)
393 ret = constraintList_add(ret, constraint_doSRefFixConstraintParam (el, arglist) );
395 end_constraintList_elements;
397 constraintList_free (preconditions);
401 constraintList constraintList_doSRefFixBaseParam (/*@observer@*/ constraintList preconditions, /*@observer@*/
402 exprNodeList arglist)
406 ret = constraintList_makeNew();
408 constraintList_elements (preconditions, el)
410 temp = constraint_copy(el);
411 ret = constraintList_add(ret, constraint_doSRefFixBaseParam (temp, arglist) );
413 end_constraintList_elements;
418 constraintList constraintList_togglePost (/*@returned@*/ constraintList c)
420 constraintList_elements_private (c, el)
422 el = constraint_togglePost(el);
425 el->orig = constraint_togglePost(el->orig);
428 end_constraintList_elements_private;