/*
-** constraintList.c
+** constraint.c
*/
//#define DEBUGPRINT 1
/*@-fcnuse*/
/*@-assignexpose*/
-constraint constraint_makeNew (void);
+/*@access exprNode @*/
-constraint makeConstraintParse (sRef x, lltok relOp, exprNode cconstant)
+static /*@notnull@*/ /*@special@*/ constraint constraint_makeNew (void)
+ /*@post:isnull result->or, result->orig, result->generatingExpr, result->fcnPre @*/ /*@defines result->or, result->generatingExpr, result->orig, result->fcnPre @*/;
-{
- char *t;
- int c;
- constraint ret;
- ret = constraint_makeNew();
- llassert (sRef_isValid(x) );
- if (!sRef_isValid(x))
- return ret;
+/* constraint makeConstraintParse (sRef x, lltok relOp, exprNode cconstant) */
+
+/* { */
+/* char *t; */
+/* int c; */
+/* constraint ret; */
+/* ret = constraint_makeNew(); */
+/* llassert (sRef_isValid(x) ); */
+/* if (!sRef_isValid(x)) */
+/* return ret; */
- ret->lexpr = constraintExpr_makeTermsRef (x);
- #warning fix abstraction
+/* ret->lexpr = constraintExpr_makeTermsRef (x); */
+/* #warning fix abstraction */
- if (relOp.tok == GE_OP)
- ret->ar = GTE;
- else if (relOp.tok == LE_OP)
- ret->ar = LTE;
- else if (relOp.tok == EQ_OP)
- ret->ar = EQ;
- else
- llfatalbug("Unsupported relational operator");
+/* if (relOp.tok == GE_OP) */
+/* ret->ar = GTE; */
+/* else if (relOp.tok == LE_OP) */
+/* ret->ar = LTE; */
+/* else if (relOp.tok == EQ_OP) */
+/* ret->ar = EQ; */
+/* else */
+/* llfatalbug(message ("Unsupported relational operator") ); */
- t = cstring_toCharsSafe (exprNode_unparse(cconstant));
- c = atoi( t );
- ret->expr = constraintExpr_makeIntLiteral (c);
+/* t = cstring_toCharsSafe (exprNode_unparse(cconstant)); */
+/* c = atoi( t ); */
+/* ret->expr = constraintExpr_makeIntLiteral (c); */
- ret->post = TRUE;
- // ret->orig = ret;
- DPRINTF(("GENERATED CONSTRAINT:"));
- DPRINTF( (message ("%s", constraint_print(ret) ) ) );
- return ret;
-}
+/* ret->post = TRUE; */
+/* // ret->orig = ret; */
+/* DPRINTF(("GENERATED CONSTRAINT:")); */
+/* DPRINTF( (message ("%s", constraint_print(ret) ) ) ); */
+/* return ret; */
+/* } */
-constraint makeConstraintParse2 (constraintExpr l, lltok relOp, exprNode cconstant)
-
+constraint makeConstraintParse2 (constraintExpr l, lltok relOp, exprNode cconstant)
{
char *t;
int c;
constraint ret;
ret = constraint_makeNew();
- llassert (l);
- if (!l)
- return ret;
-
-
+ llassert (l!=NULL);
+
ret->lexpr = constraintExpr_copy (l);
#warning fix abstraction
else if (relOp.tok == EQ_OP)
ret->ar = EQ;
else
- llfatalbug("Unsupported relational operator");
+ llfatalbug(message("Unsupported relational operator") );
t = cstring_toCharsSafe (exprNode_unparse(cconstant));
return ret;
}
+bool constraint_same (constraint c1, constraint c2)
+{
+
+ if (c1->ar != c2->ar)
+ return FALSE;
+
+ if (!constraintExpr_similar (c1->lexpr, c2->lexpr) )
+ return FALSE;
+
+ if (!constraintExpr_similar (c1->expr, c2->expr) )
+ return FALSE;
+
+ return TRUE;
+}
constraint makeConstraintParse3 (constraintExpr l, lltok relOp, constraintExpr r)
{
constraint ret;
ret = constraint_makeNew();
- llassert (l);
- if (!l)
- return ret;
-
+ llassert (l !=NULL);
ret->lexpr = constraintExpr_copy (l);
#warning fix abstraction
else if (relOp.tok == EQ_OP)
ret->ar = EQ;
else
- llfatalbug("Unsupported relational operator");
+ llfatalbug( message("Unsupported relational operator") );
ret->expr = constraintExpr_copy (r);
ret->post = TRUE;
+
+ ret->orig = constraint_copy(ret);
+
+ ret = constraint_simplify (ret);
+
// ret->orig = ret;
DPRINTF(("GENERATED CONSTRAINT:"));
DPRINTF( (message ("%s", constraint_print(ret) ) ) );
constraint constraint_copy (constraint c)
{
constraint ret;
+
+ llassert (constraint_isDefined(c) );
+ // TPRINTF((message("Copying constraint %q", constraint_print) ));
+
ret = constraint_makeNew();
ret->lexpr = constraintExpr_copy (c->lexpr);
ret->ar = c->ar;
ret->expr = constraintExpr_copy (c->expr);
ret->post = c->post;
+ ret->generatingExpr = exprNode_fakeCopy(c->generatingExpr);
+
/*@i33 fix this*/
if (c->orig != NULL)
ret->orig = constraint_copy (c->orig);
else
ret->orig = NULL;
+
+ if (c->or != NULL)
+ ret->or = constraint_copy (c->or);
+ else
+ ret->or = NULL;
+
+ ret->fcnPre = c->fcnPre;
+
return ret;
}
/*like copy expect it doesn't allocate memory for the constraint*/
-void constraint_overWrite (constraint c1, constraint c2)
+void constraint_overWrite (constraint c1, constraint c2)
{
+ llassert (constraint_isDefined(c1) );
+
+ llassert (c1 != c2);
+
+ DPRINTF((message("OverWriteing constraint %q with %q", constraint_print(c1),
+ constraint_print(c2) ) ));
+
+ constraintExpr_free(c1->lexpr);
+ constraintExpr_free(c1->expr);
+
c1->lexpr = constraintExpr_copy (c2->lexpr);
c1->ar = c2->ar;
c1->expr = constraintExpr_copy (c2->expr);
c1->post = c2->post;
- /*@i33 fix this*/
+
+ if (c1->orig != NULL)
+ constraint_free (c1->orig);
+
if (c2->orig != NULL)
c1->orig = constraint_copy (c2->orig);
else
c1->orig = NULL;
-}
+ /*@i33 make sure that the or is freed correctly*/
+ if (c1->or != NULL)
+ constraint_free (c1->or);
-bool constraint_resolve (/*@unused@*/ constraint c)
-{
- return FALSE;
+ if (c2->or != NULL)
+ c1->or = constraint_copy (c2->or);
+ else
+ c1->or = NULL;
+
+ c1->fcnPre = c2->fcnPre;
+
+ c1->generatingExpr = c2->generatingExpr;
}
-constraint constraint_makeNew (void)
+static /*@notnull@*/ /*@special@*/ constraint constraint_makeNew (void)
+ /*@post:isnull result->or, result->orig, result->generatingExpr, result->fcnPre @*/ /*@defines result->or, result->generatingExpr, result->orig, result->fcnPre @*/
{
constraint ret;
ret = dmalloc(sizeof (*ret) );
ret->ar = LT;
ret->post = FALSE;
ret->orig = NULL;
- /*@i23*/return ret;
+ ret->or = NULL;
+ ret->generatingExpr = NULL;
+ ret->fcnPre = NULL;
+ return ret;
+}
+
+constraint constraint_addGeneratingExpr (/*@returned@*/ constraint c, exprNode e)
+{
+
+ if (c->generatingExpr == NULL)
+ {
+ c->generatingExpr = exprNode_fakeCopy(e);
+ DPRINTF ((message ("setting generatingExpr for %s to %s", constraint_print(c), exprNode_unparse(e) ) ));
+ }
+ else
+ {
+ DPRINTF ((message ("Not setting generatingExpr for %s to %s", constraint_print(c), exprNode_unparse(e) ) ));
+ }
+ return c;
+}
+
+constraint constraint_origAddGeneratingExpr (/*@returned@*/ constraint c, exprNode e)
+{
+
+ if (c->orig != constraint_undefined)
+ {
+ c->orig = constraint_addGeneratingExpr(c->orig, e);
+ }
+ else
+ {
+ DPRINTF ((message ("constraint_origAddGeneratingExpr: Not setting generatingExpr for %s to %s", constraint_print(c), exprNode_unparse(e) ) ));
+ }
+ return c;
}
+
+
+constraint constraint_setFcnPre (/*@returned@*/ constraint c )
+{
+
+ if (c->orig != constraint_undefined)
+ {
+ c->orig->fcnPre = TRUE;
+ }
+ else
+ {
+ c->fcnPre = TRUE;
+ TPRINTF(( message("Warning Setting fcnPre directly") ));
+ }
+ return c;
+}
+
+
+
+
fileloc constraint_getFileloc (constraint c)
{
+ if (exprNode_isDefined(c->generatingExpr) )
+ return (fileloc_copy (exprNode_getfileloc (c->generatingExpr) ) );
+
return (constraintExpr_getFileloc (c->lexpr) );
}
+static bool checkForMaxSet (constraint c)
+{
+ if (constraintExpr_hasMaxSet(c->lexpr) || constraintExpr_hasMaxSet(c->expr) )
+ return TRUE;
+
+ return FALSE;
+}
+
+bool constraint_hasMaxSet(constraint c)
+{
+ if (c->orig != NULL)
+ {
+ if (checkForMaxSet(c->orig) )
+ return TRUE;
+ }
+
+ return (checkForMaxSet(c) );
+}
+
constraint constraint_makeReadSafeExprNode ( exprNode po, exprNode ind)
{
constraint ret = constraint_makeNew();
ret->lexpr = constraintExpr_makeMaxReadExpr(po);
ret->ar = GTE;
ret->expr = constraintExpr_makeValueExpr (ind);
+ ret->post = FALSE;
return ret;
}
ret->lexpr =constraintExpr_makeMaxSetExpr(po);
ret->ar = GTE;
- ret->expr = constraintExpr_makeValueInt (ind);
+ ret->expr = constraintExpr_makeIntLiteral (ind);
/*@i1*/return ret;
}
-constraint constraint_makeSRefSetBufferSize (sRef s, int size)
+constraint constraint_makeSRefSetBufferSize (sRef s, long int size)
{
constraint ret = constraint_makeNew();
ret->lexpr = constraintExpr_makeSRefMaxset (s);
ret->ar = EQ;
- ret->expr = constraintExpr_makeValueInt (size);
+ ret->expr = constraintExpr_makeIntLiteral ((int)size);
ret->post = TRUE;
/*@i1*/return ret;
}
constraint ret = constraint_makeNew();
- ret->lexpr = constraintExpr_makeSRefMaxset (s);
+ ret->lexpr = constraintExpr_makeSRefMaxset ( s );
ret->ar = GTE;
- ret->expr = constraintExpr_makeValueInt (ind);
+ ret->expr = constraintExpr_makeIntLiteral (ind);
ret->post = TRUE;
/*@i1*/return ret;
}
ret->lexpr = constraintExpr_makeMaxReadExpr(po);
ret->ar = GTE;
- ret->expr = constraintExpr_makeValueInt (ind);
+ ret->expr = constraintExpr_makeIntLiteral (ind);
+ ret->post = FALSE;
return ret;
}
-constraint constraint_makeEnsureMaxReadAtLeast (exprNode e1, exprNode t2, fileloc sequencePoint)
+constraint constraint_makeSRefReadSafeInt (sRef s, int ind)
{
constraint ret = constraint_makeNew();
+
+ ret->lexpr = constraintExpr_makeSRefMaxRead (s );
+ ret->ar = GTE;
+ ret->expr = constraintExpr_makeIntLiteral (ind);
+ ret->post = TRUE;
+ /*@i1*/return ret;
+}
+
+constraint constraint_makeEnsureMaxReadAtLeast (exprNode e1, exprNode t2, fileloc sequencePoint)
+{
+ constraint ret;
e1 = exprNode_fakeCopy (e1);
t2 = exprNode_fakeCopy (t2);
return ret;
}
+static constraint constraint_makeEnsuresOpConstraintExpr (/*@only@*/ constraintExpr c1, /*@only@*/ constraintExpr c2, fileloc sequencePoint, arithType ar)
+{
+
+ constraint ret;
+
+ llassert(c1 && c2);
+ // llassert(sequencePoint);
+
+ ret = constraint_makeNew();
+
+ ret->lexpr = c1;
+ ret->ar = ar;
+ ret->post = TRUE;
+ ret->expr = c2;
+ ret->lexpr = constraintExpr_setFileloc (ret->lexpr, sequencePoint);
+ return ret;
+}
static constraint constraint_makeEnsuresOp (exprNode e1, exprNode e2, fileloc sequencePoint, arithType ar)
{
- constraint ret = constraint_makeNew();
+ constraintExpr c1, c2;
+ constraint ret;
exprNode e;
-
- e = exprNode_fakeCopy(e1);
+
if (! (e1 && e2) )
{
llcontbug((message("null exprNode, Exprnodes are %s and %s",
exprNode_unparse(e1), exprNode_unparse(e2) )
));
}
-
- ret->lexpr = constraintExpr_makeValueExpr (e);
- ret->ar = ar;
- ret->post = TRUE;
- e = exprNode_fakeCopy(e2);
- ret->expr = constraintExpr_makeValueExpr (e);
+
+ // llassert (sequencePoint);
+
+ e = exprNode_fakeCopy(e1);
+ c1 = constraintExpr_makeValueExpr (e);
+
+ e = exprNode_fakeCopy(e2);
+ c2 = constraintExpr_makeValueExpr (e);
+
+ ret = constraint_makeEnsuresOpConstraintExpr (c1, c2, sequencePoint, ar);
- ret->lexpr = constraintExpr_setFileloc (ret->lexpr, sequencePoint);
return ret;
}
/*make constraint ensures e1 < e2 */
constraint constraint_makeEnsureLessThan (exprNode e1, exprNode e2, fileloc sequencePoint)
{
- return ( constraint_makeEnsuresOp (e1, e2, sequencePoint, LT) );
+ constraintExpr t1, t2;
+
+ t1 = constraintExpr_makeValueExpr (e1);
+ t2 = constraintExpr_makeValueExpr (e2);
+
+ /*change this to e1 <= (e2 -1) */
+
+ t2 = constraintExpr_makeDecConstraintExpr (t2);
+
+ return ( constraint_makeEnsuresOpConstraintExpr (t1, t2, sequencePoint, LTE) );
}
constraint constraint_makeEnsureLessThanEqual (exprNode e1, exprNode e2, fileloc sequencePoint)
constraint constraint_makeEnsureGreaterThan (exprNode e1, exprNode e2, fileloc sequencePoint)
{
- return ( constraint_makeEnsuresOp (e1, e2, sequencePoint, GT) );
+ constraintExpr t1, t2;
+
+ t1 = constraintExpr_makeValueExpr (e1);
+ t2 = constraintExpr_makeValueExpr (e2);
+
+
+ /* change this to e1 >= (e2 + 1) */
+ t2 = constraintExpr_makeIncConstraintExpr (t2);
+
+
+ return ( constraint_makeEnsuresOpConstraintExpr (t1, t2, sequencePoint, GTE) );
}
constraint constraint_makeEnsureGreaterThanEqual (exprNode e1, exprNode e2, fileloc sequencePoint)
exprNode exprNode_copyConstraints (/*@returned@*/ exprNode dst, exprNode src)
{
+ constraintList_free(dst->ensuresConstraints);
+ constraintList_free(dst->requiresConstraints);
+ constraintList_free(dst->trueEnsuresConstraints);
+ constraintList_free(dst->falseEnsuresConstraints);
+
dst->ensuresConstraints = constraintList_copy (src->ensuresConstraints );
dst->requiresConstraints = constraintList_copy (src->requiresConstraints );
dst->trueEnsuresConstraints = constraintList_copy (src->trueEnsuresConstraints );
}
+void constraint_free (/*@only@*/ /*@notnull@*/ constraint c)
+{
+ llassert(constraint_isDefined (c) );
+
+
+ if (constraint_isDefined(c->orig) )
+ constraint_free (c->orig);
+ if ( constraint_isDefined(c->or) )
+ constraint_free (c->or);
+
+
+ constraintExpr_free(c->lexpr);
+ constraintExpr_free(c->expr);
+
+ c->orig = NULL;
+ c->or = NULL;
+ c->lexpr = NULL;
+ c->expr = NULL;
+
+ free (c);
+
+}
+
// constraint constraint_makeMaxReadSideEffectPostIncrement (exprNode e, fileloc sequencePoint)
// {
// }
-cstring arithType_print (arithType ar)
+cstring arithType_print (arithType ar) /*@*/
{
cstring st = cstring_undefined;
switch (ar)
return st;
}
-void constraint_printError (constraint c, fileloc loc)
+
+void constraint_printErrorPostCondition (constraint c, fileloc loc)
{
cstring string;
-
- string = constraint_printDetailed (c);
+ fileloc errorLoc, temp;
- if (c->post)
+ string = constraint_printDetailedPostCondition (c);
+
+ errorLoc = loc;
+
+ loc = NULL;
+
+ temp = constraint_getFileloc(c);
+
+ if (fileloc_isDefined(temp) )
{
- voptgenerror (FLG_FUNCTIONPOST, string, loc);
+ errorLoc = temp;
+ voptgenerror ( FLG_CHECKPOST, string, errorLoc);
+ fileloc_free(temp);
}
else
{
- voptgenerror (FLG_FUNCTIONCONSTRAINT, string, loc);
+ voptgenerror ( FLG_CHECKPOST, string, errorLoc);
}
+}
+
+
+
+
+void constraint_printError (constraint c, fileloc loc)
+{
+ cstring string;
+ fileloc errorLoc, temp;
+
+ string = constraint_printDetailed (c);
+
+ errorLoc = loc;
+
+ loc = NULL;
+
+ temp = constraint_getFileloc(c);
+
+ if (fileloc_isDefined(temp) )
+ {
+ errorLoc = temp;
+ if (c->post)
+ {
+ voptgenerror (FLG_FUNCTIONPOST, string, errorLoc);
+ }
+ else
+ {
+ voptgenerror (FLG_FUNCTIONCONSTRAINT, string, errorLoc);
+ }
+ fileloc_free(temp);
+ }
+ else
+ {
+ if (c->post)
+ {
+ voptgenerror (FLG_FUNCTIONPOST, string, errorLoc);
+ }
+ else
+ {
+ voptgenerror (FLG_FUNCTIONCONSTRAINT, string, errorLoc);
+ }
+ }
}
-cstring constraint_printDetailed (constraint c)
+
+cstring constraint_printDeep (constraint c)
{
cstring st = cstring_undefined;
+ st = constraint_print(c);
+
+ if (c->orig != constraint_undefined)
+ {
+ if (!c->post)
+ {
+ if (c->orig->fcnPre)
+ st = cstring_concatFree(st, (message(" derived from %s precondition: %q", exprNode_unparse(c->orig->generatingExpr), constraint_printDeep(c->orig) )
+ ) );
+ else
+ st = cstring_concatFree(st,(message(" needed to satisfy %q",
+ constraint_printDeep(c->orig) )
+ ) );
+
+ }
+ else
+ {
+ st = cstring_concatFree(st,(message("derived from: %q",
+ constraint_printDeep(c->orig) )
+ ) );
+ }
+ }
+
+ return st;
+
+}
+
+cstring constraint_printDetailedPostCondition (constraint c)
+{
+ cstring st = cstring_undefined;
+
+ st = message ("Unsatisfied ensures constraint condition:\nLCLint is unable to verify the constraint %q", constraint_printDeep (c) );
+
+ if (context_getFlag (FLG_CONSTRAINTLOCATION) )
+ {
+ cstring temp;
+ // llassert (c->generatingExpr);
+ temp = message ("\nOriginal Generating expression %q: %s\n", fileloc_unparse( exprNode_getfileloc (c->generatingExpr) ),
+ exprNode_unparse(c->generatingExpr) );
+ st = cstring_concatFree (st, temp);
+
+ if (constraint_hasMaxSet(c) )
+ {
+ temp = message ("Has MaxSet\n");
+ st = cstring_concatFree (st, temp);
+ }
+ }
+ return st;
+}
+
+cstring constraint_printDetailed (constraint c)
+{
+ cstring st = cstring_undefined;
if (!c->post)
{
- if (c->orig)
- st = message ("Unresolved constraint:\nLclint is unable to resolve %s needed to satisfy %s", constraint_print (c), constraint_print(c->orig) );
- else
- st = message ("Unresolved constraint:\nLclint is unable to resolve %s", constraint_print (c));
-
+ st = message ("Unresolved constraint:\nLclint is unable to resolve %q", constraint_printDeep (c) );
}
else
{
- if (c->orig)
- st = message ("Block Post condition:\nThis function block has the post condition %s\n based on %s", constraint_print (c), constraint_print(c->orig) );
- else
- st = message ("Block Post condition:\nThis function block has the post condition %s", constraint_print (c));
+ st = message ("Block Post condition:\nThis function block has the post condition %q", constraint_printDeep (c) );
+ }
+
+ if (context_getFlag (FLG_CONSTRAINTLOCATION) )
+ {
+ cstring temp;
+ // llassert (c->generatingExpr);
+ temp = message ("\nOriginal Generating expression %q: %s\n", fileloc_unparse( exprNode_getfileloc (c->generatingExpr) ),
+ exprNode_unparse(c->generatingExpr) );
+ st = cstring_concatFree (st, temp);
+
+ if (constraint_hasMaxSet(c) )
+ {
+ temp = message ("Has MaxSet\n");
+ st = cstring_concatFree (st, temp);
+ }
}
return st;
}
-cstring constraint_print (constraint c) /*@*/
+/*@only@*/ cstring constraint_print (constraint c) /*@*/
{
cstring st = cstring_undefined;
cstring type = cstring_undefined;
- llassert (c);
+ llassert (c !=NULL);
if (c->post)
{
type = cstring_makeLiteral ("Ensures: ");
{
type = cstring_makeLiteral ("Requires: ");
}
- st = message ("%s: %s %s %s",
+ st = message ("%q: %q %q %q",
type,
constraintExpr_print (c->lexpr),
arithType_print(c->ar),
return st;
}
-constraint constraint_doSRefFixBaseParam (constraint precondition,
+cstring constraint_printOr (constraint c) /*@*/
+{
+ cstring ret;
+ constraint temp;
+
+ ret = cstring_undefined;
+ temp = c;
+
+ ret = cstring_concatFree (ret, constraint_print(temp) );
+
+ temp = temp->or;
+
+ while ( constraint_isDefined(temp) )
+ {
+ ret = cstring_concatFree (ret, cstring_makeLiteral (" OR ") );
+ ret = cstring_concatFree (ret, constraint_print(temp) );
+ temp = temp->or;
+ }
+
+ return ret;
+
+}
+
+/*@only@*/ constraint constraint_doSRefFixBaseParam (/*@returned@*/ /*@only@*/ constraint precondition,
exprNodeList arglist)
{
precondition->lexpr = constraintExpr_doSRefFixBaseParam (precondition->lexpr,
return postcondition;
}
-constraint constraint_doSRefFixConstraintParam (constraint precondition,
+/*@only@*/ constraint constraint_doSRefFixConstraintParam (constraint precondition,
exprNodeList arglist)
{
precondition->lexpr = constraintExpr_doSRefFixConstraintParam (precondition->lexpr, arglist);
precondition->expr = constraintExpr_doSRefFixConstraintParam (precondition->expr, arglist);
+ precondition->fcnPre = FALSE;
return precondition;
}
// return FALSE;
// }
-constraint constraint_preserveOrig (constraint c)
+constraint constraint_preserveOrig (/*@returned@*/ constraint c) /*@modifies c @*/
{
- c->orig = constraint_copy (c);
+
+ DPRINTF( (message("Doing constraint_preserverOrig for %q ", constraint_printDetailed(c) ) ));
+
+ if (c->orig == constraint_undefined)
+ c->orig = constraint_copy (c);
+
+ else if (c->orig->fcnPre)
+ {
+ constraint temp;
+
+ temp = c->orig;
+
+ /* avoid infinite loop */
+ c->orig = NULL;
+ c->orig = constraint_copy (c);
+ if (c->orig->orig == NULL)
+ c->orig->orig = temp;
+ else
+ llcontbug((message("Expected c->orig->orig to be null" ) ));
+ }
+ else
+ {
+ DPRINTF( (message("Not changing constraint") ));
+ }
+
+ DPRINTF( (message("After Doing constraint_preserverOrig for %q ", constraint_printDetailed(c) ) ));
+
return c;
}
/*@=fcnuse*/
/*@=assignexpose*/
/*@=czechfcns@*/
+
+constraint constraint_togglePost (/*@returned@*/ constraint c)
+{
+ c->post = !c->post;
+ return c;
+}
andersk / splint.git / blobdiff