/*
** Splint - annotation-assisted static program checker
-** Copyright (C) 1994-2002 University of Virginia,
+** Copyright (C) 1994-2003 University of Virginia,
** Massachusetts Institute of Technology
**
** This program is free software; you can redistribute it and/or modify it
# include "structNames.h"
# include "nameChecks.h"
+# include "cscannerHelp.h"
+
# ifdef SANITIZER
# include "sgrammar_tokens.h"
# else
if (constraintList_isDefined(implicitFcnConstraints) )
constraintList_free(implicitFcnConstraints);
-
+
implicitFcnConstraints = constraintList_makeNew();
uentryList_elements (params, el)
{
DPRINTF((message("setImplictfcnConstraints doing: %s", uentry_unparse(el) ) ));
- s = uentry_getSref(el);
- if (sRef_isReference (s) )
+ if ( uentry_isVariable (el) )
{
- DPRINTF((message ("%s is a pointer", sRef_unparse(s) ) ));
- }
- else
+ s = uentry_getSref(el);
+ if (sRef_isReference (s) )
+ {
+
+ DPRINTF((message ("%s is a pointer", sRef_unparse(s) ) ));
+ /*drl 4/26/01
+ chagned this from MaxSet(s) == 0 to MaxSet(s) >= 0 */
+ c = constraint_makeSRefWriteSafeInt (s, 0);
+
+ implicitFcnConstraints = constraintList_add(implicitFcnConstraints , c);
+
+ /*drl 10/23/2002 added support for out*/
+
+ if (!uentry_isOut(el) )
+ {
+ c = constraint_makeSRefReadSafeInt (s, 0);
+
+ implicitFcnConstraints = constraintList_add(implicitFcnConstraints , c);
+ }
+ }
+ else
+ {
+ DPRINTF((message ("%s is NOT a pointer", sRef_unparse(s) ) ));
+ }
+ } /*end uentry_isVariable*/
+
+ else if (uentry_isElipsisMarker (el) )
{
- DPRINTF((message ("%s is NOT a pointer", sRef_unparse(s) ) ));
+ /*just ignore these*/
+ ;
}
- /*drl 4/26/01
- chagned this from MaxSet(s) == 0 to MaxSet(s) >= 0 */
- c = constraint_makeSRefWriteSafeInt (s, 0);
- implicitFcnConstraints = constraintList_add(implicitFcnConstraints , c);
-
- /*drl 10/23/2002 added support for out*/
- if (!uentry_isOut(el) )
+ else
{
- c = constraint_makeSRefReadSafeInt (s, 0);
-
- implicitFcnConstraints = constraintList_add(implicitFcnConstraints , c);
+ /*just ignore this
+ I'm not sure if this is possible though
+ */
+ /*@warning take this out befor@*/
+ llassert(FALSE);
}
-
-
}
+
end_uentryList_elements;
DPRINTF((message("implicitFcnConstraints has been set to %s\n",
constraintList_print(implicitFcnConstraints) ) ));
+
}
voptgenerror
(FLG_COMMENTERROR,
message ("Global variable %s used state clause. (Global variables "
- "are not recognized in state clauses. If there is "
+ "are not recognized in state clauses. If they are present "
+ "they are ignored. "
+ " If there is "
"sufficient interest in support for this, it may be "
"added to a future release. Send mail to "
"info@splint.org.)",
{
llfatalerrorLoc (cstring_makeLiteral("Macro defined constants can not be used in function constraints unless they are specifed with the constant annotation. To use a macro defined constant include an annotation of the form /*@constant <type> <name>=<value>@*/ somewhere before the function constraint. This restriction may be removed in future releases if it is determined to be excessively burdensome." ));
}
- return sRef_saveCopy (sr); /*@i523 why the saveCopy? */
+
+ /*@ savedCopy to used to mitigate danger of accessing freed memory*/
+ return sRef_saveCopy (sr);
}
void checkModifiesId (uentry ue)
}
else
{
- /*@i222@*/
- /*drl handle structure invariant */
- /*@i222@*/
+ /* drl This is the code for structure invariants
+
+ It is no yet stable enough to be included in a Splint release.
+ */
+
/*check that we're in a structure */
-# if 0\r
+#if 0
/*@unused@*/ uentryList ueL;
/*@unused@*/ uentry ue2;
/*@unused@*/ ctype ct;\r
-# endif
+#endif
fileloc loc = fileloc_decColumn (g_currentloc, size_toInt (cstring_length (s)));
ret = sRef_undefined;
# if 0
- /*drl commenting this out for now
+
ct = context_getLastStruct ( ct );
llassert( ctype_isStruct(ct) );
return ret;
}
- */\r
-# endif\r
+
+#endif
voptgenerror
(FLG_UNRECOG,