2 ** Splint - annotation-assisted static program checker
3 ** Copyright (C) 1994-2003 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 splint: info@splint.org
21 ** To report a bug: splint-bug@splint.org
22 ** For more information: http://www.splint.org
25 ** functionClauseList.c
27 ** based on list_template.c
29 ** where T has T_equal (or change this) and T_unparse
32 # include "splintMacros.nf"
36 functionClauseList_new ()
38 return functionClauseList_undefined;
41 static /*@notnull@*/ functionClauseList
42 functionClauseList_newEmpty (void)
44 functionClauseList s = (functionClauseList) dmalloc (sizeof (*s));
47 s->nspace = functionClauseListBASESIZE;
48 s->elements = (functionClause *) dmalloc (sizeof (*s->elements) * functionClauseListBASESIZE);
54 functionClauseList_grow (/*@notnull@*/ functionClauseList s)
57 functionClause *newelements;
59 s->nspace += functionClauseListBASESIZE;
61 newelements = (functionClause *) dmalloc (sizeof (*newelements) * (s->nelements + s->nspace));
63 if (newelements == (functionClause *) 0)
65 llfatalerror (cstring_makeLiteral ("functionClauseList_grow: out of memory!"));
68 for (i = 0; i < s->nelements; i++)
70 newelements[i] = s->elements[i];
74 s->elements = newelements;
77 functionClauseList functionClauseList_single (/*@keep@*/ functionClause el)
79 functionClauseList s = functionClauseList_new ();
80 s = functionClauseList_add (s, el);
84 functionClauseList functionClauseList_add (functionClauseList s, /*@keep@*/ functionClause el)
86 if (!functionClauseList_isDefined (s))
88 s = functionClauseList_newEmpty ();
93 functionClauseList_grow (s);
97 s->elements[s->nelements] = el;
103 functionClauseList functionClauseList_prepend (functionClauseList s, /*@keep@*/ functionClause el)
107 if (!functionClauseList_isDefined (s))
109 return functionClauseList_single (el);
114 functionClauseList_grow (s);
119 for (i = s->nelements; i > 0; i--)
121 s->elements[i] = s->elements [i - 1];
131 functionClauseList_unparse (functionClauseList s)
133 return functionClauseList_unparseSep (s, cstring_makeLiteralTemp (" "));
137 functionClauseList_unparseSep (functionClauseList s, cstring sep)
139 cstring st = cstring_undefined;
141 if (functionClauseList_isDefined (s))
145 for (i = 0; i < s->nelements; i++)
149 st = functionClause_unparse (s->elements[i]);
152 st = message ("%q%s%q", st, sep, functionClause_unparse (s->elements[i]));
160 functionClauseList_free (functionClauseList s)
162 if (functionClauseList_isDefined (s))
166 for (i = 0; i < s->nelements; i++) {
167 functionClause_free (s->elements[i]);
176 functionClauseList_setImplicitConstraints (/*@returned@*/ functionClauseList s)
178 bool addedConstraints;
182 DPRINTF ((message ("functionClauseList_setImplicitConstraints called ") ));
184 addedConstraints = FALSE;
186 c = getImplicitFcnConstraints ();
188 if (constraintList_isEmpty(c) )
193 functionClauseList_elements(s, el)
195 if (functionClause_isRequires(el))
197 functionConstraint con = functionClause_getRequires(el);
199 if (functionConstraint_hasBufferConstraint(con))
201 if (functionConstraint_isBufferConstraint (con))
203 constraintList implCons = getImplicitFcnConstraints ();
205 DPRINTF ((message ("functionClauseList_ImplicitConstraints adding the implict constraints: %s to %s",
206 constraintList_print(implCons), constraintList_print (con->constraint.buffer))));
208 functionConstraint_addBufferConstraints (con, constraintList_copy (implCons) );
210 addedConstraints = TRUE;
212 DPRINTF ((message ("functionClauseList_ImplicitConstraints the new constraint is %s",
213 functionConstraint_unparse (con))));
224 end_functionClauseList_elements;
226 if (!addedConstraints)
228 functionConstraint fCon;
229 functionClause fClause;
231 constraintList implCons = getImplicitFcnConstraints ();
233 fCon = functionConstraint_createBufferConstraint(constraintList_copy (implCons) );
234 fClause = functionClause_createRequires(fCon);
235 s = functionClauseList_add(s, fClause);