# include <ctype.h> /* for isdigit */
# include "lclintMacros.nf"
# include "basic.h"
-# include "cgrammar.h"
+
# include "cgrammar_tokens.h"
# include "exprChecks.h"
-# include "aliasChecks.h"
# include "exprNodeSList.h"
-# include "exprData.i"
-# include "exprDataQuite.i"
+//# include "exprDataQuite.i"
+
+/*@access exprNode @*/
-extern void forLoopHeuristics( exprNode e, exprNode forPred, exprNode forBody);
-bool /*@alt void@*/ exprNode_generateConstraints (/*@temp@*/ exprNode e);
-static bool exprNode_handleError( exprNode p_e);
+static bool exprNode_handleError(/*@dependent@*/ exprNode p_e);
//static cstring exprNode_findConstraints ( exprNode p_e);
-static bool exprNode_isMultiStatement(exprNode p_e);
-static bool exprNode_multiStatement (exprNode p_e);
-bool exprNode_exprTraverse (exprNode e, bool definatelv, bool definaterv, fileloc sequencePoint);
+static bool exprNode_isMultiStatement(/*@dependent@*/ exprNode p_e);
+static void exprNode_multiStatement (/*@dependent@*/ exprNode p_e);
+
//static void exprNode_constraintPropagateUp (exprNode p_e);
-constraintList exprNode_traversRequiresConstraints (exprNode e);
-constraintList exprNode_traversEnsuresConstraints (exprNode e);
-constraintList exprNode_traversTrueEnsuresConstraints (exprNode e);
-constraintList exprNode_traversFalseEnsuresConstraints (exprNode e);
+static constraintList exprNode_traversTrueEnsuresConstraints (/*@dependent@*/ exprNode p_e);
+static constraintList exprNode_traversFalseEnsuresConstraints (/*@dependent@*/ exprNode p_e);
-extern constraintList reflectChanges (constraintList pre2, constraintList post1);
+static exprNode makeDataTypeConstraints (/*@returned@*/ exprNode p_e);
-void mergeResolve (exprNode parent, exprNode child1, exprNode child2);
-exprNode makeDataTypeConstraints (exprNode e);
-constraintList constraintList_makeFixedArrayConstraints (sRefSet s);
-constraintList checkCall (exprNode fcn, exprNodeList arglist);
+static void checkArgumentList (/*@out@*/ exprNode p_temp, exprNodeList p_arglist, fileloc p_sequencePoint) /*@modifies p_temp @*/;
-void checkArgumentList (exprNode temp, exprNodeList arglist, fileloc sequencePoint);
+static constraintList checkCall (/*@dependent@*/ exprNode p_fcn, exprNodeList p_arglist);
+
+//constraintList constraintList_makeFixedArrayConstraints (sRefSet s);
//bool exprNode_testd()
//{
*/
//}
-bool exprNode_isUnhandled (exprNode e)
+static bool exprNode_isUnhandled (/*@dependent@*/ /*@obsever@*/ exprNode e)
{
llassert( exprNode_isDefined(e) );
switch (e->kind)
case XPR_VAARG:
case XPR_ITERCALL:
case XPR_ITER:
- case XPR_CAST:
case XPR_GOTO:
case XPR_CONTINUE:
case XPR_BREAK:
case XPR_TOK:
case XPR_FTDEFAULT:
case XPR_DEFAULT:
- case XPR_SWITCH:
+ // case XPR_SWITCH:
case XPR_FTCASE:
case XPR_CASE:
// case XPR_INIT:
return FALSE;
}
-bool /*@alt void@*/ exprNode_generateConstraints (/*@temp@*/ exprNode e)
+bool /*@alt void@*/ exprNode_generateConstraints (/*@dependent@*/ exprNode e)
{
if (exprNode_isError (e) )
return FALSE;
-
- e->requiresConstraints = constraintList_makeNew();
- e->ensuresConstraints = constraintList_makeNew();
- e->trueEnsuresConstraints = constraintList_makeNew();
- e->falseEnsuresConstraints = constraintList_makeNew();
if (exprNode_isUnhandled (e) )
{
loc = exprNode_getNextSequencePoint(e);
exprNode_exprTraverse(e, FALSE, FALSE, loc);
- // llassert(FALSE);
+ fileloc_free(loc);
return FALSE;
}
constraintList c;
c = constraintList_makeFixedArrayConstraints (e->uses);
- e->requiresConstraints = reflectChanges (e->requiresConstraints, c);
+ e->requiresConstraints = constraintList_reflectChangesFreePre (e->requiresConstraints, c);
// e->ensuresConstraints = constraintList_mergeEnsures(c, e->ensuresConstraints);
+ constraintList_free(c);
}
- /* printf ("%s", (message ("%s", constraintList_printDetailed (e->requiresConstraints) ) ) );
- printf ("%s", (message ("%s", constraintList_printDetailed (e->ensuresConstraints) ) ) ); */
+ DPRINTF ( (message ("e->requiresConstraints %s", constraintList_printDetailed (e->requiresConstraints) ) ) );
return FALSE;
}
case XPR_BLOCK:
case XPR_STMT:
case XPR_STMTLIST:
+ case XPR_SWITCH:
return TRUE;
default:
return FALSE;
}
-bool exprNode_stmt (exprNode e)
+static void exprNode_stmt ( /*@dependent@*/ exprNode e)
{
exprNode snode;
fileloc loc;
- bool notError;
- char * s;
+ cstring s;
if (exprNode_isError(e) )
{
- return FALSE;
+ return; // FALSE;
}
- e->requiresConstraints = constraintList_makeNew();
- e->ensuresConstraints = constraintList_makeNew();
+ /*e->requiresConstraints = constraintList_makeNew();
+ e->ensuresConstraints = constraintList_makeNew(); */
// e = makeDataTypeConstraints(e);
if (e->kind == XPR_INIT)
{
+ constraintList tempList;
DPRINTF (("Init") );
DPRINTF ( (message ("%s ", exprNode_unparse (e)) ) );
loc = exprNode_getNextSequencePoint(e); /* reduces to an expression */
- notError = exprNode_exprTraverse (e, FALSE, FALSE, loc);
+ exprNode_exprTraverse (e, FALSE, FALSE, loc);
+ fileloc_free(loc);
+
+ tempList = e->requiresConstraints;
e->requiresConstraints = exprNode_traversRequiresConstraints(e);
+ constraintList_free(tempList);
+
+ tempList = e->ensuresConstraints;
e->ensuresConstraints = exprNode_traversEnsuresConstraints(e);
- return notError;
+ constraintList_free(tempList);
+ return; // notError;
}
if (e->kind != XPR_STMT)
{
return exprNode_multiStatement (e );
}
- BPRINTF( (message ("Ignoring non-statement %s", exprNode_unparse(e) ) ) );
- return TRUE;
+ DPRINTF( (message ("Ignoring non-statement %s", exprNode_unparse(e) ) ) );
+ return; //TRUE;
// llassert(FALSE);
}
if (exprNode_isMultiStatement (snode))
{
- bool temp;
-
- temp = exprNode_multiStatement (snode);
- exprNode_copyConstraints (e, snode);
- return temp;
+ exprNode_multiStatement (snode);
+ (void) exprNode_copyConstraints (e, snode);
+ return;
}
loc = exprNode_getNextSequencePoint(e); /* reduces to an expression */
- notError = exprNode_exprTraverse (snode, FALSE, FALSE, loc);
+ //notError =
+ exprNode_exprTraverse (snode, FALSE, FALSE, loc);
+
+ fileloc_free(loc);
+
+ constraintList_free (e->requiresConstraints);
e->requiresConstraints = exprNode_traversRequiresConstraints(snode);
// printf ("For: %s \n", exprNode_unparse (e) );
// printf ("%s\n", constraintList_print(e->requiresConstraints) );
+
+ constraintList_free (e->ensuresConstraints);
e->ensuresConstraints = exprNode_traversEnsuresConstraints(snode);
// printf ("Ensures that:\n %s\n", constraintList_print(e->ensuresConstraints) );
// llassert(notError);
- return notError;
+
+ DPRINTF ( (message ("smtlist constraints are: pre: %s \n and \t post %s\n",
+ constraintList_print(e->requiresConstraints),
+ constraintList_print(e->ensuresConstraints) ) ) );
+
+ return; // notError;
}
-bool exprNode_stmtList (exprNode e)
+static void exprNode_stmtList (/*@dependent@*/ exprNode e)
{
exprNode stmt1, stmt2;
if (exprNode_isError (e) )
{
- return FALSE;
+ return; // FALSE;
}
- e->requiresConstraints = constraintList_makeNew();
- e->ensuresConstraints = constraintList_makeNew();
+ /*
+ e->requiresConstraints = constraintList_makeNew();
+ e->ensuresConstraints = constraintList_makeNew();
+ */
// e = makeDataTypeConstraints(e);
/*Handle case of stmtList with only one statement:
The parse tree stores this as stmt instead of stmtList*/
if (e->kind != XPR_STMTLIST)
{
- return exprNode_stmt(e);
+ exprNode_stmt(e);
+ return;
}
llassert (e->kind == XPR_STMTLIST);
DPRINTF(( "STMTLIST:") );
DPRINTF(("\nstmt after stmtList call " ));
exprNode_stmt (stmt2);
- mergeResolve (e, stmt1, stmt2 );
+ exprNode_mergeResolve (e, stmt1, stmt2 );
DPRINTF ( (message ("smtlist constraints are: pre: %s \n and \t post %s\n",
constraintList_print(e->requiresConstraints),
constraintList_print(e->ensuresConstraints) ) ) );
- return TRUE;
+ return; // TRUE;
}
-fileloc testKill (exprNode e)
+static exprNode doIf (/*@returned@*/ exprNode e, /*@dependent@*/ exprNode test, /*@dependent@*/ exprNode body)
{
- llassert (exprNode_isDefined(e) );
- return e->loc;
-}
+ constraintList temp;
-exprNode doIf (exprNode e, exprNode test, exprNode body)
-{
DPRINTF ((message ("doIf: %s ", exprNode_unparse(e) ) ) );
llassert(exprNode_isDefined(test) );
- llassert(e);
- llassert(body);
+ llassert (exprNode_isDefined (e) );
+ llassert (exprNode_isDefined (body) );
+
+ DPRINTF((message ("ensures constraints for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->ensuresConstraints) ) ));
+
+ DPRINTF((message ("Requires constraints for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->ensuresConstraints) ) ));
+
+ DPRINTF((message ("trueEnsures constraints for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->trueEnsuresConstraints) ) ));
+
+ DPRINTF((message ("falseEnsures constraints for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->falseEnsuresConstraints) ) ));
+
+
+
+ DPRINTF((message ("ensures constraints for %s are %s", exprNode_unparse(test), constraintList_printDetailed(test->ensuresConstraints) ) ));
+
+ DPRINTF((message ("Requires constraints for %s are %s", exprNode_unparse(test), constraintList_printDetailed(test->ensuresConstraints) ) ));
+
+ DPRINTF((message ("trueEnsures constraints for %s are %s", exprNode_unparse(test), constraintList_printDetailed(test->trueEnsuresConstraints) ) ));
+
+ DPRINTF((message ("falseEnsures constraints for %s are %s", exprNode_unparse(test), constraintList_printDetailed(test->falseEnsuresConstraints) ) ));
+
+
+
+ temp = test->trueEnsuresConstraints;
+ test->trueEnsuresConstraints = exprNode_traversTrueEnsuresConstraints(test);
+ constraintList_free(temp);
+
+ temp = test->ensuresConstraints;
test->ensuresConstraints = exprNode_traversEnsuresConstraints (test);
+ constraintList_free(temp);
+
+ temp = test->requiresConstraints;
test->requiresConstraints = exprNode_traversRequiresConstraints (test);
-
- test->trueEnsuresConstraints = exprNode_traversTrueEnsuresConstraints(test);
+ constraintList_free(temp);
- test->trueEnsuresConstraints = constraintList_substitute(test->trueEnsuresConstraints, test->ensuresConstraints);
+
+ test->trueEnsuresConstraints = constraintList_substituteFreeTarget(test->trueEnsuresConstraints, test->ensuresConstraints);
DPRINTF ((message ("doIf: test ensures %s ", constraintList_print(test->ensuresConstraints) ) ) );
DPRINTF ((message ("doIf: test true ensures %s ", constraintList_print(test->trueEnsuresConstraints) ) ) );
-
- e->requiresConstraints = reflectChanges (body->requiresConstraints, test->trueEnsuresConstraints);
- e->requiresConstraints = reflectChanges (e->requiresConstraints,
+
+ constraintList_free(e->requiresConstraints);
+ e->requiresConstraints = constraintList_reflectChanges(body->requiresConstraints, test->trueEnsuresConstraints);
+
+ e->requiresConstraints = constraintList_reflectChangesFreePre (e->requiresConstraints,
test->ensuresConstraints);
+ temp = e->requiresConstraints;
e->requiresConstraints = constraintList_mergeRequires (e->requiresConstraints, test->requiresConstraints);
-
-#warning bad
+ constraintList_free(temp);
+
+
+//drl possible problem : warning bad
+ constraintList_free(e->ensuresConstraints);
e->ensuresConstraints = constraintList_copy (test->ensuresConstraints);
if (exprNode_mayEscape (body) )
{
DPRINTF (( message("doIf: the if statement body %s returns or exits", exprNode_unparse(body) ) ));
- e->ensuresConstraints = constraintList_mergeEnsures (e->ensuresConstraints,
+ e->ensuresConstraints = constraintList_mergeEnsuresFreeFirst (e->ensuresConstraints,
test->falseEnsuresConstraints);
}
*/
-exprNode doIfElse (/*@returned@*/ exprNode e, exprNode p, exprNode trueBranch, exprNode falseBranch)
+static exprNode doIfElse (/*@returned@*/ exprNode e, /*@dependent@*/ exprNode p, /*@dependent@*/ exprNode trueBranch, /*@dependent@*/ exprNode falseBranch)
{
- constraintList c1, cons, t, f;
+ constraintList c1, cons, t, t2, f, f2;
+
+ DPRINTF ((message ("doIfElse: %s ", exprNode_unparse(e) ) ) );
// do requires clauses
c1 = constraintList_copy (p->ensuresConstraints);
- t = reflectChanges (trueBranch->requiresConstraints, p->trueEnsuresConstraints);
- t = reflectChanges (t, p->ensuresConstraints);
+ t = constraintList_reflectChanges(trueBranch->requiresConstraints, p->trueEnsuresConstraints);
+ t = constraintList_reflectChangesFreePre (t, p->ensuresConstraints);
- // e->requiresConstraints = constraintList_copy (cons);
-
- cons = reflectChanges (falseBranch->requiresConstraints, p->falseEnsuresConstraints);
- cons = reflectChanges (cons, c1);
+ cons = constraintList_reflectChanges(falseBranch->requiresConstraints, p->falseEnsuresConstraints);
+ cons = constraintList_reflectChangesFreePre (cons, c1);
- e->requiresConstraints = constraintList_mergeRequires (t, cons);
- e->requiresConstraints = constraintList_mergeRequires (e->requiresConstraints, p->requiresConstraints);
+ constraintList_free(e->requiresConstraints);
+ e->requiresConstraints = constraintList_mergeRequiresFreeFirst (t, cons);
+ e->requiresConstraints = constraintList_mergeRequiresFreeFirst (e->requiresConstraints, p->requiresConstraints);
// do ensures clauses
// find the the ensures lists for each subbranch
t = constraintList_mergeEnsures (p->trueEnsuresConstraints, trueBranch->ensuresConstraints);
+ t2 = t;
t = constraintList_mergeEnsures (p->ensuresConstraints, t);
-
+ constraintList_free(t2);
+
f = constraintList_mergeEnsures (p->falseEnsuresConstraints, falseBranch->ensuresConstraints);
+ f2 = f;
f = constraintList_mergeEnsures (p->ensuresConstraints, f);
+ constraintList_free(f2);
// find ensures for whole if/else statement
+ constraintList_free(e->ensuresConstraints);
+
e->ensuresConstraints = constraintList_logicalOr (t, f);
+ constraintList_free(t);
+ constraintList_free(f);
+ constraintList_free(cons);
+ constraintList_free(c1);
+
+ DPRINTF ((message ("doIfElse: if requires %q ", constraintList_print(e->requiresConstraints) ) ) );
+ DPRINTF ((message ("doIfElse: if ensures %q ", constraintList_print(e->ensuresConstraints) ) ) );
+
return e;
}
-exprNode doWhile (exprNode e, exprNode test, exprNode body)
+static exprNode doWhile (/*@returned@*/ exprNode e, /*@dependent@*/ exprNode test, /*@dependent@*/ exprNode body)
{
DPRINTF ((message ("doWhile: %s ", exprNode_unparse(e) ) ) );
return doIf (e, test, body);
}
-constraintList constraintList_makeFixedArrayConstraints (sRefSet s)
+/*@only@*/ constraintList constraintList_makeFixedArrayConstraints (/*@observer@*/ sRefSet s)
{
constraintList ret;
constraint con;
// llassert (el);
if (sRef_isFixedArray(el) )
{
- int s;
+ long int size;
DPRINTF( (message("%s is a fixed array",
sRef_unparse(el)) ) );
//if (el->kind == SK_DERIVED)
// break; //hack until I find the real problem
- s = sRef_getArraySize(el);
+ size = sRef_getArraySize(el);
DPRINTF( (message("%s is a fixed array with size %d",
- sRef_unparse(el), s) ) );
- con = constraint_makeSRefSetBufferSize (el, (s - 1));
- //con = constraint_makeSRefWriteSafeInt (el, (s - 1));
+ sRef_unparse(el), (int)size) ) );
+ con = constraint_makeSRefSetBufferSize (el, (size - 1));
+ //con = constraint_makeSRefWriteSafeInt (el, (size - 1));
ret = constraintList_add(ret, con);
}
else
return ret;
}
-exprNode makeDataTypeConstraints (exprNode e)
+exprNode makeDataTypeConstraints (/*@returned@*/ exprNode e)
{
constraintList c;
DPRINTF(("makeDataTypeConstraints"));
c = constraintList_makeFixedArrayConstraints (e->uses);
- e->ensuresConstraints = constraintList_addList (e->ensuresConstraints, c);
+ e->ensuresConstraints = constraintList_addListFree (e->ensuresConstraints, c);
return e;
}
-void doFor (exprNode e, exprNode forPred, exprNode forBody)
+static void doFor (/*@dependent@*/ exprNode e, /*@dependent@*/ exprNode forPred, /*@dependent@*/ exprNode forBody)
{
exprNode init, test, inc;
//merge the constraints: modle as if statement
return;
}
- forLoopHeuristics(e, forPred, forBody);
+ exprNode_forLoopHeuristics(e, forPred, forBody);
- e->requiresConstraints = reflectChanges (forBody->requiresConstraints, test->ensuresConstraints);
- e->requiresConstraints = reflectChanges (e->requiresConstraints, test->trueEnsuresConstraints);
- e->requiresConstraints = reflectChanges (e->requiresConstraints, forPred->ensuresConstraints);
+ constraintList_free(e->requiresConstraints);
+ e->requiresConstraints = constraintList_reflectChanges(forBody->requiresConstraints, test->ensuresConstraints);
+ e->requiresConstraints = constraintList_reflectChangesFreePre (e->requiresConstraints, test->trueEnsuresConstraints);
+ e->requiresConstraints = constraintList_reflectChangesFreePre (e->requiresConstraints, forPred->ensuresConstraints);
if (!forBody->canBreak)
{
- e->ensuresConstraints = constraintList_addList(e->ensuresConstraints, forPred->ensuresConstraints);
- e->ensuresConstraints = constraintList_addList(e->ensuresConstraints, test->falseEnsuresConstraints);
+ e->ensuresConstraints = constraintList_addListFree(e->ensuresConstraints, constraintList_copy(forPred->ensuresConstraints) );
+ e->ensuresConstraints = constraintList_addListFree(e->ensuresConstraints,constraintList_copy( test->falseEnsuresConstraints));
+ // forPred->ensuresConstraints = constraintList_undefined;
+ // test->falseEnsuresConstraints = constraintList_undefined;
}
else
{
}
-exprNode doSwitch (/*@returned@*/ exprNode e)
+static void exprNode_doGenerateConstraintSwitch ( exprNode switchExpr,
+ exprNode body, constraintList * currentRequires, constraintList *
+ currentEnsures, constraintList * savedRequires, constraintList *
+ savedEnsures)
+{
+ exprNode stmt, stmtList;
+
+ DPRINTF(( message("exprNode_doGenerateConstraintSwitch: (switch %s) %s",
+ exprNode_unparse(switchExpr), exprNode_unparse(body)
+ ) ));
+
+ if (exprNode_isError(body) )
+ {
+ return;
+ }
+
+ if (body->kind != XPR_STMTLIST )
+ {
+ DPRINTF((message("exprNode_doGenerateConstraintSwitch: non
+stmtlist: %s",
+ exprNode_unparse(body) )
+ ));
+ // llassert(body->kind == XPR_STMT );
+ stmt = body;
+ stmtList = exprNode_undefined;
+ }
+ else
+ {
+ stmt = exprData_getPairB(body->edata);
+ stmtList = exprData_getPairA(body->edata);
+ }
+
+ DPRINTF((message("exprNode_doGenerateConstraintSwitch: stmtlist: %s
+stmt: %s",
+ exprNode_unparse(stmtList), exprNode_unparse(stmt) )
+ ));
+
+
+ exprNode_doGenerateConstraintSwitch (switchExpr, stmtList, currentRequires, currentEnsures,
+ savedRequires, savedEnsures );
+
+ if (exprNode_isError(stmt) )
+ return;
+
+ exprNode_stmt(stmt);
+ //, FALSE, FALSE, exprNode_getfileloc(stmt) );
+
+ if (! exprNode_isCaseMarker(stmt) )
+ {
+
+ constraintList temp;
+
+ DPRINTF (( message("Got normal statement %s (requires %s ensures %s)", exprNode_unparse(stmt),
+ constraintList_unparse(stmt->requiresConstraints), constraintList_unparse(stmt->ensuresConstraints) ) ));
+
+ temp = constraintList_reflectChanges (stmt->requiresConstraints,
+ *currentEnsures);
+
+ *currentRequires = constraintList_mergeRequiresFreeFirst
+ (*currentRequires,
+ temp);
+
+ constraintList_free(temp);
+
+ *currentEnsures = constraintList_mergeEnsuresFreeFirst
+ (*currentEnsures,
+ stmt->ensuresConstraints);
+ DPRINTF(( message("returning from exprNode_doGenerateConstraintSwitch: (switch %s) %s currentRequires:"
+ "%s currentEnsures:%s",
+ exprNode_unparse(switchExpr), exprNode_unparse(body),
+ constraintList_print(*currentRequires), constraintList_print(*currentEnsures)
+ ) ));
+ return;
+ }
+
+ if (exprNode_isCaseMarker(stmt) && exprNode_mustEscape(stmtList) )
+ {
+ // merge current and saved constraint with Logical Or...
+ // make a constraint for ensures
+
+ constraintList temp;
+ constraint con;
+
+ DPRINTF (( message("Got case marker") ));
+
+ if (constraintList_isUndefined(*savedEnsures) &&
+ constraintList_isUndefined(*savedRequires) )
+ {
+ *savedEnsures = constraintList_copy(*currentEnsures);
+ *savedRequires = constraintList_copy(*currentRequires);
+ }
+ else
+ {
+ DPRINTF (( message("Doing logical or") ));
+ temp = constraintList_logicalOr (*savedEnsures, *currentEnsures);
+ constraintList_free (*savedEnsures);
+ *savedEnsures = temp;
+
+ *savedRequires = constraintList_mergeRequiresFreeFirst (*savedRequires, *currentRequires);
+ }
+
+ con = constraint_makeEnsureEqual (switchExpr, exprData_getSingle
+ (stmt->edata), exprNode_getfileloc(stmt) );
+
+
+ constraintList_free(*currentEnsures);
+ *currentEnsures = constraintList_makeNew();
+ *currentEnsures = constraintList_add(*currentEnsures, con);
+
+ constraintList_free(*currentRequires);
+ *currentRequires = constraintList_makeNew();
+ DPRINTF(( message("exprNode_doGenerateConstraintSwitch: (switch %s) %s savedRequires:"
+ "%s savedEnsures:%s",
+ exprNode_unparse(switchExpr), exprNode_unparse(body),
+ constraintList_print(*savedRequires), constraintList_print(*savedEnsures)
+ ) ));
+
+ }
+
+ else if (exprNode_isCaseMarker(stmt) )
+ //prior case has no break.
+ {
+ // We don't do anything to the sved constraints because the case hasn't ended
+ //The new ensures constraints for the case will be:
+ // the constraint for the case statement (CASE_LABEL == SWITCH_EXPR) logicalOr currentEnsures
+
+ constraintList temp;
+ constraint con;
+
+ constraintList ensuresTemp;
+
+ DPRINTF (( message("Got case marker with no prior break") ));
+
+ con = constraint_makeEnsureEqual (switchExpr, exprData_getSingle
+ (stmt->edata), exprNode_getfileloc(stmt) );
+
+ ensuresTemp = constraintList_makeNew();
+
+ ensuresTemp = constraintList_add (ensuresTemp, con);
+
+ if (exprNode_isError(stmtList) )
+ {
+ constraintList_free(*currentEnsures);
+ *currentEnsures = constraintList_copy(ensuresTemp);
+ }
+ else
+ {
+
+ temp = constraintList_logicalOr (*currentEnsures, ensuresTemp);
+
+ constraintList_free(*currentEnsures);
+ constraintList_free(ensuresTemp);
+
+ *currentEnsures = temp;
+ }
+ constraintList_free(*currentRequires);
+
+ *currentRequires = constraintList_makeNew();
+ }
+
+ DPRINTF(( message("returning from exprNode_doGenerateConstraintSwitch: (switch %s) %s currentRequires:"
+ "%s currentEnsures:%s",
+ exprNode_unparse(switchExpr), exprNode_unparse(body),
+ constraintList_print(*currentRequires), constraintList_print(*currentEnsures)
+ ) ));
+ return;
+
+}
+
+
+static void exprNode_generateConstraintSwitch ( exprNode switchStmt)
+{
+ constraintList constraintsRequires;
+ constraintList constraintsEnsures;
+ constraintList lastRequires;
+ constraintList lastEnsures;
+
+ exprNode body;
+ exprNode switchExpr;
+
+ switchExpr = exprData_getPairA(switchStmt->edata);
+ body = exprData_getPairB(switchStmt->edata);
+
+ //*@i22*/
+ if ( body->kind == XPR_BLOCK)
+ body = exprData_getSingle(body->edata);
+
+ constraintsRequires = constraintList_undefined;
+ constraintsEnsures = constraintList_undefined;
+
+ lastRequires = constraintList_makeNew();
+ lastEnsures = constraintList_makeNew();
+
+
+ exprNode_doGenerateConstraintSwitch (switchExpr, body, &lastRequires, &lastEnsures, &constraintsRequires, &constraintsEnsures);
+
+ // merge current and saved constraint with Logical Or...
+ // make a constraint for ensures
+
+ constraintList_free(switchStmt->requiresConstraints);
+ constraintList_free(switchStmt->ensuresConstraints);
+
+ if (constraintList_isDefined(constraintsEnsures) && constraintList_isDefined(constraintsRequires) )
+ {
+ switchStmt->ensuresConstraints = constraintList_logicalOr(constraintsEnsures, lastEnsures);
+ switchStmt->requiresConstraints = constraintList_mergeRequires(constraintsRequires, lastRequires);
+ constraintList_free (constraintsRequires);
+ constraintList_free (constraintsEnsures);
+ }
+ else
+ {
+ switchStmt->ensuresConstraints = constraintList_copy(lastEnsures);
+ switchStmt->requiresConstraints = constraintList_copy(lastRequires);
+ }
+
+ constraintList_free (lastRequires);
+ constraintList_free (lastEnsures);
+
+ DPRINTF(( (message(" exprNode_generateConstraintSwitch returning requires: %s and ensures %s",
+ constraintList_print( switchStmt->requiresConstraints),
+ constraintList_print( switchStmt->ensuresConstraints)
+ )
+ ) ));
+}
+
+static exprNode doSwitch (/*@returned@*/ exprNode e)
{
exprNode body;
exprData data;
data = e->edata;
- llassert(FALSE);
- //DPRINTF (( message ("doSwitch for: switch (%s) %s",
- // exprNode_unparse (exprData_getPairA (data)),
- // exprNode_unparse (exprData_getPairB (data))) ));
+ // llassert(FALSE);
+ DPRINTF (( message ("doSwitch for: switch (%s) %s",
+ exprNode_unparse (exprData_getPairA (data)),
+ exprNode_unparse (exprData_getPairB (data))) ));
body = exprData_getPairB (data);
-
- // exprNode_generateConstraints(body);
-
- // e->requiresConstraints = constraintList_copy ( body->requiresConstraints );
- //e->ensuresConstraints = constraintList_copy ( body->ensuresConstraints );
-
+
+ exprNode_generateConstraints(body);
+
+ exprNode_generateConstraintSwitch (e);
+
+ // e->requiresConstraints = constraintList_copy (body->requiresConstraints );
+ // e->ensuresConstraints = constraintList_copy (body->ensuresConstraints );
+
return e;
}
-bool exprNode_multiStatement (exprNode e)
+
+
+void exprNode_multiStatement (/*@dependent@*/ exprNode e)
{
bool ret;
exprNode p, trueBranch, falseBranch;
exprNode forPred, forBody;
exprNode test;
+
+ constraintList temp;
+
// constraintList t, f;
- e->requiresConstraints = constraintList_makeNew();
+ /*e->requiresConstraints = constraintList_makeNew();
e->ensuresConstraints = constraintList_makeNew();
e->trueEnsuresConstraints = constraintList_makeNew();
e->falseEnsuresConstraints = constraintList_makeNew();
-
+ */
// e = makeDataTypeConstraints(e);
DPRINTF((message ("exprNode_multistatement Analysising %s %s at", exprNode_unparse( e),
if (exprNode_handleError (e))
{
- return FALSE;
+ return; // FALSE;
}
data = e->edata;
exprNode_generateConstraints (exprData_getTripleInc (data) );
if (!exprNode_isError(test) )
- test->trueEnsuresConstraints = exprNode_traversTrueEnsuresConstraints(test);
-
+ {
+ constraintList temp2;
+ temp2 = test->trueEnsuresConstraints;
+ test->trueEnsuresConstraints = exprNode_traversTrueEnsuresConstraints(test);
+ constraintList_free(temp2);
+ }
+
exprNode_generateConstraints (exprData_getTripleInc (data));
break;
FALSE, FALSE, exprNode_loc(e1));
exprNode_generateConstraints (e2);
-
e = doIf (e, e1, e2);
exprNode_generateConstraints (trueBranch);
exprNode_generateConstraints (falseBranch);
+ temp = p->ensuresConstraints;
p->ensuresConstraints = exprNode_traversEnsuresConstraints (p);
+ constraintList_free(temp);
+
+ temp = p->requiresConstraints;
p->requiresConstraints = exprNode_traversRequiresConstraints (p);
-
+ constraintList_free(temp);
+
+ temp = p->trueEnsuresConstraints;
p->trueEnsuresConstraints = exprNode_traversTrueEnsuresConstraints(p);
+ constraintList_free(temp);
+
+ temp = p->falseEnsuresConstraints;
p->falseEnsuresConstraints = exprNode_traversFalseEnsuresConstraints(p);
+ constraintList_free(temp);
e = doIfElse (e, p, trueBranch, falseBranch);
DPRINTF( ("Done IFELSE") );
case XPR_BLOCK:
// ret = message ("{ %s }",
exprNode_generateConstraints (exprData_getSingle (data));
+
+ constraintList_free(e->requiresConstraints);
e->requiresConstraints = constraintList_copy ( (exprData_getSingle (data))->requiresConstraints );
+
+ constraintList_free(e->ensuresConstraints);
e->ensuresConstraints = constraintList_copy ( (exprData_getSingle (data))->ensuresConstraints );
// e->constraints = (exprData_getSingle (data))->constraints;
break;
break;
case XPR_STMT:
case XPR_STMTLIST:
- return exprNode_stmtList (e);
+ exprNode_stmtList (e);
+ return ;
/*@notreached@*/
break;
default:
ret=FALSE;
}
- return ret;
+ return; // ret;
}
-bool lltok_isBoolean_Op (lltok tok)
+static bool lltok_isBoolean_Op (lltok tok)
{
/*this should really be a switch statement but
I don't want to violate the abstraction
}
-void exprNode_booleanTraverse (exprNode e, bool definatelv, bool definaterv, fileloc sequencePoint)
+static void exprNode_booleanTraverse (/*@dependent@*/ exprNode e, /*@unused@*/ bool definatelv, /*@unused@*/ bool definaterv, fileloc sequencePoint)
{
constraint cons;
exprNode t1, t2;
exprData data;
lltok tok;
-constraintList tempList;
+constraintList tempList, temp;
data = e->edata;
tok = exprData_getOpTok (data);
t2 = exprData_getOpB (data);
+ tempList = constraintList_undefined;
+
/* arithmetic tests */
if (lltok_isEq_Op (tok) )
/*Logical operations */
+
if (lltok_isAnd_Op (tok) )
{
//true ensures
tempList = constraintList_copy (t1->trueEnsuresConstraints);
tempList = constraintList_addList (tempList, t2->trueEnsuresConstraints);
- e->trueEnsuresConstraints = constraintList_addList(e->trueEnsuresConstraints, tempList);
+ e->trueEnsuresConstraints = constraintList_addListFree(e->trueEnsuresConstraints, tempList);
//false ensures: fens t1 or tens t1 and fens t2
tempList = constraintList_copy (t1->trueEnsuresConstraints);
tempList = constraintList_addList (tempList, t2->falseEnsuresConstraints);
+ temp = tempList;
tempList = constraintList_logicalOr (tempList, t1->falseEnsuresConstraints);
- e->falseEnsuresConstraints =constraintList_addList(e->falseEnsuresConstraints, tempList);
-
+ constraintList_free (temp);
+
+ /* evans - was constraintList_addList - memory leak detected by lclint */
+ e->falseEnsuresConstraints =constraintList_addListFree (e->falseEnsuresConstraints, tempList);
}
-
- if (lltok_isOr_Op (tok) )
- {
+ else if (lltok_isOr_Op (tok) )
+ {
//false ensures
tempList = constraintList_copy (t1->falseEnsuresConstraints);
tempList = constraintList_addList (tempList, t2->falseEnsuresConstraints);
- e->falseEnsuresConstraints = constraintList_addList(e->falseEnsuresConstraints, tempList);
+ e->falseEnsuresConstraints = constraintList_addListFree(e->falseEnsuresConstraints, tempList);
//true ensures: tens t1 or fens t1 and tens t2
tempList = constraintList_copy (t1->falseEnsuresConstraints);
tempList = constraintList_addList (tempList, t2->trueEnsuresConstraints);
- tempList = constraintList_logicalOr (tempList, t1->trueEnsuresConstraints);
- e->trueEnsuresConstraints =constraintList_addList(e->trueEnsuresConstraints, tempList);
+ temp = tempList;
+ tempList = constraintList_logicalOr (tempList, t1->trueEnsuresConstraints);
+ constraintList_free(temp);
+
+ e->trueEnsuresConstraints = constraintList_addListFree(e->trueEnsuresConstraints, tempList);
+ tempList = constraintList_undefined;
}
-
+ else
+ {
+ DPRINTF((message("%s is not a boolean operation", lltok_unparse(tok) ) ));
+ }
}
-bool exprNode_exprTraverse (exprNode e, bool definatelv, bool definaterv, fileloc sequencePoint)
+void exprNode_exprTraverse (exprNode e, bool definatelv, bool definaterv, /*@observer@*/ /*@temp@*/ fileloc sequencePoint)
{
exprNode t1, t2, fcn;
lltok tok;
exprData data;
constraint cons;
+ constraintList temp;
+
if (exprNode_isError(e) )
{
- return FALSE;
+ return; // FALSE;
}
DPRINTF((message ("exprNode_exprTraverset Analysising %s %s at", exprNode_unparse( e),
fileloc_unparse(exprNode_getfileloc(e) ) ) ) );
- e->requiresConstraints = constraintList_makeNew();
+ /*e->requiresConstraints = constraintList_makeNew();
e->ensuresConstraints = constraintList_makeNew();
e->trueEnsuresConstraints = constraintList_makeNew();;
e->falseEnsuresConstraints = constraintList_makeNew();;
-
+ */
if (exprNode_isUnhandled (e) )
{
- return FALSE;
+ return; // FALSE;
}
// e = makeDataTypeConstraints (e);
switch (e->kind)
{
-
-
case XPR_WHILEPRED:
t1 = exprData_getSingle (data);
exprNode_exprTraverse (t1, definatelv, definaterv, sequencePoint);
// cons = constraint_makeEnsureMinReadAtMost (t1, t2, sequencePoint);
// e->ensuresConstraints = constraintList_add(e->ensuresConstraints, cons);
-
+
exprNode_exprTraverse (exprData_getPairA (data), FALSE, TRUE, sequencePoint);
exprNode_exprTraverse (exprData_getPairB (data), FALSE, TRUE, sequencePoint);
// e->constraints = constraintList_exprNodemerge (exprData_getUopNode (e->edata), exprNode_undefined);
break;
case XPR_INIT:
- /* //t1 = exprData_getInitId (data); */
- t2 = exprData_getInitNode (data);
- //exprNode_exprTraverse (t1, TRUE, FALSE, sequencePoint );
-
- exprNode_exprTraverse (t2, definatelv, TRUE, sequencePoint );
-
- /* this test is nessecary because some expressions generate a null expression node. function pointer do that -- drl */
+ {
+ /*
+ idDecl t;
+
+ uentry ue;
+ exprNode lhs;
+
+ t = exprData_getInitId (data);
+ ue = usymtab_lookup (idDecl_observeId (t));
+ lhs = exprNode_createId (ue);
+ */
+ t2 = exprData_getInitNode (data);
+
+ /* DPRINTF(( (message("initialization: %s = %s",
+ exprNode_unparse(lhs),
+ exprNode_unparse(t2)
+ )
+ ) )); */
+
+ //exprNode_exprTraverse (t1, TRUE, FALSE, sequencePoint );
+
+ exprNode_exprTraverse (t2, definatelv, TRUE, sequencePoint );
+
+ /* this test is nessecary because some expressions generate a null expression node. function pointer do that -- drl */
if ( (!exprNode_isError (e)) && (!exprNode_isError(t2)) )
- {
- cons = constraint_makeEnsureEqual (e, t2, sequencePoint);
- e->ensuresConstraints = constraintList_add(e->ensuresConstraints, cons);
- }
+ {
+ cons = constraint_makeEnsureEqual (e, t2, sequencePoint);
+ e->ensuresConstraints = constraintList_add(e->ensuresConstraints, cons);
+ }
+ }
break;
case XPR_ASSIGN:
t1 = exprData_getOpA (data);
t2 = exprData_getOpB (data);
exprNode_exprTraverse (t1, TRUE, definaterv, sequencePoint );
- lltok_unparse (exprData_getOpTok (data));
+ //lltok_unparse (exprData_getOpTok (data));
+
exprNode_exprTraverse (t2, definatelv, TRUE, sequencePoint );
/* this test is nessecary because some expressions generate a null expression node. function pointer do that -- drl */
case XPR_OP:
t1 = exprData_getOpA (data);
t2 = exprData_getOpB (data);
-
- exprNode_exprTraverse (t1, definatelv, definaterv, sequencePoint );
tok = exprData_getOpTok (data);
- exprNode_exprTraverse (t2, definatelv, definaterv, sequencePoint );
+
+
+ if (tok.tok == ADD_ASSIGN)
+ {
+ exprNode_exprTraverse (t1, TRUE, definaterv, sequencePoint );
+ exprNode_exprTraverse (t2, definatelv, TRUE, sequencePoint );
+ cons = constraint_makeAddAssign (t1, t2, sequencePoint );
+ e->ensuresConstraints = constraintList_add(e->ensuresConstraints, cons);
+ }
+ else if (tok.tok == SUB_ASSIGN)
+ {
+ exprNode_exprTraverse (t1, TRUE, definaterv, sequencePoint );
+ exprNode_exprTraverse (t2, definatelv, TRUE, sequencePoint );
+
+ cons = constraint_makeSubtractAssign (t1, t2, sequencePoint );
+ e->ensuresConstraints = constraintList_add(e->ensuresConstraints, cons);
+ }
+ else
+ {
+ exprNode_exprTraverse (t1, definatelv, definaterv, sequencePoint );
+ exprNode_exprTraverse (t2, definatelv, definaterv, sequencePoint );
+ }
+
if (lltok_isBoolean_Op (tok) )
exprNode_booleanTraverse (e, definatelv, definaterv, sequencePoint);
// e->constraints = constraintList_exprNodemerge (exprData_getOpA (data), exprData_getOpB (data));
break;
case XPR_SIZEOFT:
- ctype_unparse (qtype_getType (exprData_getType (data) ) );
+ //drl possible problem : warning make sure the case can be ignored..
break;
fcn = exprData_getFcn(data);
exprNode_exprTraverse (fcn, definatelv, definaterv, sequencePoint );
- exprNodeList_unparse (exprData_getArgs (data) );
DPRINTF ( (message ("Got call that %s ( %s) ", exprNode_unparse(fcn), exprNodeList_unparse (exprData_getArgs (data) ) ) ) );
- fcn->requiresConstraints = constraintList_addList (fcn->requiresConstraints,
+ fcn->requiresConstraints = constraintList_addListFree (fcn->requiresConstraints,
checkCall (fcn, exprData_getArgs (data) ) );
- fcn->ensuresConstraints = constraintList_addList (fcn->ensuresConstraints,
- getPostConditions(fcn, exprData_getArgs (data),e ) );
+ fcn->ensuresConstraints = constraintList_addListFree (fcn->ensuresConstraints,
+ exprNode_getPostConditions(fcn, exprData_getArgs (data),e ) );
t1 = exprNode_createNew (exprNode_getType (e) );
checkArgumentList (t1, exprData_getArgs(data), sequencePoint);
- mergeResolve (e, t1, fcn);
+ exprNode_mergeResolve (e, t1, fcn);
+
+ exprNode_free(t1);
// e->constraints = constraintList_add (e->constraints, constraint_create (e,exprNode_undefined, GT, CALLSAFE ) );
+
break;
case XPR_RETURN:
break;
case XPR_NULLRETURN:
- cstring_makeLiteral ("return");;
+
break;
case XPR_FACCESS:
exprNode_exprTraverse (exprData_getFieldNode (data), definatelv, definaterv, sequencePoint );
- exprData_getFieldName (data) ;
break;
case XPR_ARROW:
exprNode_exprTraverse (exprData_getFieldNode (data), definatelv, definaterv, sequencePoint );
- exprData_getFieldName (data);
break;
case XPR_STRINGLITERAL:
- cstring_copy (exprData_getLiteral (data));
+
break;
case XPR_NUMLIT:
- cstring_copy (exprData_getLiteral (data));
+
break;
case XPR_PREOP:
cons = constraint_makeMaxSetSideEffectPostDecrement (t1, sequencePoint );
e->ensuresConstraints = constraintList_add (e->ensuresConstraints, cons);
}
-
- if (lltok_isMult( exprData_getUopTok (data) ) )
+ else if (lltok_isMult( tok ) )
{
if (definatelv)
{
}
e->requiresConstraints = constraintList_add(e->requiresConstraints, cons);
}
-
- /* ! expr */
- if (lltok_isNot_Op (exprData_getUopTok (data) ) )
+ else if (lltok_isNot_Op (tok) )
+ /* ! expr */
{
+ constraintList_free(e->trueEnsuresConstraints);
+
e->trueEnsuresConstraints = constraintList_copy (t1->falseEnsuresConstraints);
+ constraintList_free(e->falseEnsuresConstraints);
e->falseEnsuresConstraints = constraintList_copy (t1->trueEnsuresConstraints);
}
+
+ else if (lltok_isAmpersand_Op (tok) )
+ {
+ break;
+ }
+ else if (lltok_isMinus_Op (tok) )
+ {
+ break;
+ }
+ else if ( lltok_isExcl_Op (tok) )
+ {
+ break;
+ }
+ else if (lltok_isTilde_Op (tok) )
+ {
+ break;
+ }
+ else
+ {
+ llcontbug((message("Unsupported preop in %s", exprNode_unparse(e) ) ));
+ BADEXIT;
+ }
break;
case XPR_POSTOP:
exprNode_exprTraverse (exprData_getUopNode (data), TRUE, definaterv, sequencePoint );
- lltok_unparse (exprData_getUopTok (data));
+
if (lltok_isInc_Op (exprData_getUopTok (data) ) )
{
DPRINTF(("doing ++"));
}
break;
case XPR_CAST:
- llassert(FALSE);
- exprNode_exprTraverse (exprData_getCastNode (data), definatelv, definaterv, sequencePoint );
+ {
+ t2 = exprData_getCastNode (data);
+ DPRINTF (( message ("Examining cast (%q)%s",
+ qtype_unparse (exprData_getCastType (data)),
+ exprNode_unparse (t2) )
+ ));
+ exprNode_exprTraverse (t2, definatelv, definaterv, sequencePoint );
+ }
break;
+
case XPR_COND:
{
- exprNode pred, true, false;
+ exprNode pred, trueBranch, falseBranch;
llassert(FALSE);
pred = exprData_getTriplePred (data);
- true = exprData_getTripleTrue (data);
- false = exprData_getTripleFalse (data);
+ trueBranch = exprData_getTripleTrue (data);
+ falseBranch = exprData_getTripleFalse (data);
exprNode_exprTraverse (pred, FALSE, TRUE, sequencePoint );
+
+ temp = pred->ensuresConstraints;
pred->ensuresConstraints = exprNode_traversEnsuresConstraints(pred);
+ constraintList_free(temp);
+
+ temp = pred->requiresConstraints;
pred->requiresConstraints = exprNode_traversRequiresConstraints(pred);
+ constraintList_free(temp);
+ temp = pred->trueEnsuresConstraints;
pred->trueEnsuresConstraints = exprNode_traversTrueEnsuresConstraints(pred);
+ constraintList_free(temp);
+
+ temp = pred->falseEnsuresConstraints;
pred->falseEnsuresConstraints = exprNode_traversFalseEnsuresConstraints(pred);
+ constraintList_free(temp);
+
- exprNode_exprTraverse (true, FALSE, TRUE, sequencePoint );
- true->ensuresConstraints = exprNode_traversEnsuresConstraints(true);
- true->requiresConstraints = exprNode_traversRequiresConstraints(true);
+ exprNode_exprTraverse (trueBranch, FALSE, TRUE, sequencePoint );
+
+ temp = trueBranch->ensuresConstraints;
+ trueBranch->ensuresConstraints = exprNode_traversEnsuresConstraints(trueBranch);
+ constraintList_free(temp);
+
+
+ temp = trueBranch->requiresConstraints;
+ trueBranch->requiresConstraints = exprNode_traversRequiresConstraints(trueBranch);
+ constraintList_free(temp);
+
- true->trueEnsuresConstraints = exprNode_traversTrueEnsuresConstraints(true);
- true->falseEnsuresConstraints = exprNode_traversFalseEnsuresConstraints(true);
+ temp = trueBranch->trueEnsuresConstraints;
+ trueBranch->trueEnsuresConstraints = exprNode_traversTrueEnsuresConstraints(trueBranch);
+ constraintList_free(temp);
+
+ temp = trueBranch->falseEnsuresConstraints;
+ trueBranch->falseEnsuresConstraints = exprNode_traversFalseEnsuresConstraints(trueBranch);
+ constraintList_free(temp);
+
+ //dfdf
+ exprNode_exprTraverse (falseBranch, FALSE, TRUE, sequencePoint );
+
+ temp = falseBranch->ensuresConstraints;
+ falseBranch->ensuresConstraints = exprNode_traversEnsuresConstraints(falseBranch);
+ constraintList_free(temp);
+
+
+ temp = falseBranch->requiresConstraints;
+ falseBranch->requiresConstraints = exprNode_traversRequiresConstraints(falseBranch);
+ constraintList_free(temp);
- exprNode_exprTraverse (false, FALSE, TRUE, sequencePoint );
- false->ensuresConstraints = exprNode_traversEnsuresConstraints(false);
- false->requiresConstraints = exprNode_traversRequiresConstraints(false);
- false->trueEnsuresConstraints = exprNode_traversTrueEnsuresConstraints(false);
- false->falseEnsuresConstraints = exprNode_traversFalseEnsuresConstraints(false);
+ temp = falseBranch->trueEnsuresConstraints;
+ falseBranch->trueEnsuresConstraints = exprNode_traversTrueEnsuresConstraints(falseBranch);
+ constraintList_free(temp);
+ temp = falseBranch->falseEnsuresConstraints;
+ falseBranch->falseEnsuresConstraints = exprNode_traversFalseEnsuresConstraints(falseBranch);
+ constraintList_free(temp);
/* if pred is true e equals true otherwise pred equals false */
- cons = constraint_makeEnsureEqual (e, true, sequencePoint);
- true->ensuresConstraints = constraintList_add(true->ensuresConstraints, cons);
+ cons = constraint_makeEnsureEqual (e, trueBranch, sequencePoint);
+ trueBranch->ensuresConstraints = constraintList_add(trueBranch->ensuresConstraints, cons);
- cons = constraint_makeEnsureEqual (e, true, sequencePoint);
- false->ensuresConstraints = constraintList_add(false->ensuresConstraints, cons);
+ cons = constraint_makeEnsureEqual (e, trueBranch, sequencePoint);
+ falseBranch->ensuresConstraints = constraintList_add(falseBranch->ensuresConstraints, cons);
- e = doIfElse (e, pred, true, false);
+ e = doIfElse (e, pred, trueBranch, falseBranch);
}
break;
problems../ */
exprNode_exprTraverse (t1, FALSE, FALSE, sequencePoint );
exprNode_exprTraverse (t2, definatelv, definaterv, sequencePoint );
- mergeResolve (e, t1, t2);
+ exprNode_mergeResolve (e, t1, t2);
break;
-
+
default:
handledExprNode = FALSE;
}
e->ensuresConstraints = constraintList_addGeneratingExpr ( e->ensuresConstraints, e);
- DPRINTF((message ("ensures constraint for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->ensuresConstraints) ) ));
+ DPRINTF((message ("ensures constraints for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->ensuresConstraints) ) ));
+
+ DPRINTF((message ("Requires constraints for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->ensuresConstraints) ) ));
- return handledExprNode;
+ DPRINTF((message ("trueEnsures constraints for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->trueEnsuresConstraints) ) ));
+
+ DPRINTF((message ("falseEnsures constraints for %s are %s", exprNode_unparse(e), constraintList_printDetailed(e->falseEnsuresConstraints) ) ));
+
+ return; // handledExprNode;
}
exprData data;
constraintList ret;
- if (exprNode_handleError (e))
- {
- ret = constraintList_makeNew();
- return ret;
- }
+ if (exprNode_handleError (e))
+ {
+ ret = constraintList_makeNew();
+ return ret;
+ }
ret = constraintList_copy (e->trueEnsuresConstraints );
- handledExprNode = TRUE;
+ handledExprNode = TRUE;
data = e->edata;
{
case XPR_WHILEPRED:
t1 = exprData_getSingle (data);
- ret = constraintList_addList ( ret,exprNode_traversTrueEnsuresConstraints (t1) );
+ ret = constraintList_addListFree ( ret, exprNode_traversTrueEnsuresConstraints (t1) );
break;
case XPR_FETCH:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversTrueEnsuresConstraints
(exprData_getPairA (data) ) );
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversTrueEnsuresConstraints
(exprData_getPairB (data) ) );
break;
case XPR_PREOP:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversTrueEnsuresConstraints
(exprData_getUopNode (data) ) );
break;
case XPR_PARENS:
- ret = constraintList_addList (ret, exprNode_traversTrueEnsuresConstraints
+ ret = constraintList_addListFree (ret, exprNode_traversTrueEnsuresConstraints
(exprData_getUopNode (data) ) );
break;
+
+ case XPR_INIT:
+ ret = constraintList_addListFree (ret,
+ exprNode_traversTrueEnsuresConstraints
+ (exprData_getInitNode (data) ) );
+ break;
+
+
case XPR_ASSIGN:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversTrueEnsuresConstraints
(exprData_getOpA (data) ) );
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversTrueEnsuresConstraints
(exprData_getOpB (data) ) );
break;
case XPR_OP:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversTrueEnsuresConstraints
(exprData_getOpA (data) ) );
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversTrueEnsuresConstraints
(exprData_getOpB (data) ) );
break;
case XPR_SIZEOF:
- ret = constraintList_addList (ret,
- exprNode_traversTrueEnsuresConstraints
- (exprData_getSingle (data) ) );
+ ret = constraintList_addListFree (ret,
+ exprNode_traversTrueEnsuresConstraints
+ (exprData_getSingle (data) ) );
break;
case XPR_CALL:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversTrueEnsuresConstraints
(exprData_getFcn (data) ) );
/*@i11*/ // exprNodeList_unparse (exprData_getArgs (data) );
break;
case XPR_RETURN:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversTrueEnsuresConstraints
(exprData_getSingle (data) ) );
break;
break;
case XPR_FACCESS:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversTrueEnsuresConstraints
(exprData_getFieldNode (data) ) );
//exprData_getFieldName (data) ;
break;
case XPR_ARROW:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversTrueEnsuresConstraints
(exprData_getFieldNode (data) ) );
// exprData_getFieldName (data);
break;
case XPR_POSTOP:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversTrueEnsuresConstraints
(exprData_getUopNode (data) ) );
break;
case XPR_CAST:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversTrueEnsuresConstraints
(exprData_getCastNode (data) ) );
- break;
-
break;
+
default:
break;
}
{
case XPR_WHILEPRED:
t1 = exprData_getSingle (data);
- ret = constraintList_addList ( ret,exprNode_traversFalseEnsuresConstraints (t1) );
+ ret = constraintList_addListFree ( ret,exprNode_traversFalseEnsuresConstraints (t1) );
break;
case XPR_FETCH:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversFalseEnsuresConstraints
(exprData_getPairA (data) ) );
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversFalseEnsuresConstraints
(exprData_getPairB (data) ) );
break;
case XPR_PREOP:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversFalseEnsuresConstraints
(exprData_getUopNode (data) ) );
break;
case XPR_PARENS:
- ret = constraintList_addList (ret, exprNode_traversFalseEnsuresConstraints
+ ret = constraintList_addListFree (ret, exprNode_traversFalseEnsuresConstraints
(exprData_getUopNode (data) ) );
break;
+ case XPR_INIT:
+ ret = constraintList_addListFree (ret,
+ exprNode_traversFalseEnsuresConstraints
+ ( exprData_getInitNode (data) ) );
+ break;
+
case XPR_ASSIGN:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversFalseEnsuresConstraints
(exprData_getOpA (data) ) );
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversFalseEnsuresConstraints
(exprData_getOpB (data) ) );
break;
case XPR_OP:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversFalseEnsuresConstraints
(exprData_getOpA (data) ) );
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversFalseEnsuresConstraints
(exprData_getOpB (data) ) );
break;
case XPR_SIZEOF:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversFalseEnsuresConstraints
(exprData_getSingle (data) ) );
break;
case XPR_CALL:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversFalseEnsuresConstraints
(exprData_getFcn (data) ) );
/*@i11*/ // exprNodeList_unparse (exprData_getArgs (data) );
break;
case XPR_RETURN:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversFalseEnsuresConstraints
(exprData_getSingle (data) ) );
break;
break;
case XPR_FACCESS:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversFalseEnsuresConstraints
(exprData_getFieldNode (data) ) );
//exprData_getFieldName (data) ;
break;
case XPR_ARROW:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversFalseEnsuresConstraints
(exprData_getFieldNode (data) ) );
// exprData_getFieldName (data);
break;
case XPR_POSTOP:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversFalseEnsuresConstraints
(exprData_getUopNode (data) ) );
break;
case XPR_CAST:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversFalseEnsuresConstraints
(exprData_getCastNode (data) ) );
break;
/* walk down the tree and get all requires Constraints in each subexpression*/
-constraintList exprNode_traversRequiresConstraints (exprNode e)
+/*@only@*/ constraintList exprNode_traversRequiresConstraints (exprNode e)
{
exprNode t1;
{
case XPR_WHILEPRED:
t1 = exprData_getSingle (data);
- ret = constraintList_addList ( ret,exprNode_traversRequiresConstraints (t1) );
+ ret = constraintList_addListFree ( ret, exprNode_traversRequiresConstraints (t1) );
break;
case XPR_FETCH:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversRequiresConstraints
(exprData_getPairA (data) ) );
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversRequiresConstraints
(exprData_getPairB (data) ) );
break;
case XPR_PREOP:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversRequiresConstraints
(exprData_getUopNode (data) ) );
break;
case XPR_PARENS:
- ret = constraintList_addList (ret, exprNode_traversRequiresConstraints
+ ret = constraintList_addListFree (ret, exprNode_traversRequiresConstraints
(exprData_getUopNode (data) ) );
break;
+ case XPR_INIT:
+ ret = constraintList_addListFree (ret,
+ exprNode_traversRequiresConstraints
+ (exprData_getInitNode (data) ) );
+ break;
+
case XPR_ASSIGN:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversRequiresConstraints
(exprData_getOpA (data) ) );
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversRequiresConstraints
(exprData_getOpB (data) ) );
break;
case XPR_OP:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversRequiresConstraints
(exprData_getOpA (data) ) );
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversRequiresConstraints
(exprData_getOpB (data) ) );
break;
case XPR_SIZEOF:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversRequiresConstraints
(exprData_getSingle (data) ) );
break;
case XPR_CALL:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversRequiresConstraints
(exprData_getFcn (data) ) );
/*@i11*/ // exprNodeList_unparse (exprData_getArgs (data) );
break;
case XPR_RETURN:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversRequiresConstraints
(exprData_getSingle (data) ) );
break;
break;
case XPR_FACCESS:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversRequiresConstraints
(exprData_getFieldNode (data) ) );
//exprData_getFieldName (data) ;
break;
case XPR_ARROW:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversRequiresConstraints
(exprData_getFieldNode (data) ) );
// exprData_getFieldName (data);
break;
case XPR_POSTOP:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversRequiresConstraints
(exprData_getUopNode (data) ) );
break;
case XPR_CAST:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversRequiresConstraints
(exprData_getCastNode (data) ) );
break;
/* walk down the tree and get all Ensures Constraints in each subexpression*/
-constraintList exprNode_traversEnsuresConstraints (exprNode e)
+/*@only@*/ constraintList exprNode_traversEnsuresConstraints (exprNode e)
{
exprNode t1;
{
case XPR_WHILEPRED:
t1 = exprData_getSingle (data);
- ret = constraintList_addList ( ret,exprNode_traversEnsuresConstraints (t1) );
+ ret = constraintList_addListFree ( ret,exprNode_traversEnsuresConstraints (t1) );
break;
case XPR_FETCH:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversEnsuresConstraints
(exprData_getPairA (data) ) );
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversEnsuresConstraints
(exprData_getPairB (data) ) );
break;
case XPR_PREOP:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversEnsuresConstraints
(exprData_getUopNode (data) ) );
break;
case XPR_PARENS:
- ret = constraintList_addList (ret, exprNode_traversEnsuresConstraints
+ ret = constraintList_addListFree (ret, exprNode_traversEnsuresConstraints
(exprData_getUopNode (data) ) );
break;
+
+ case XPR_INIT:
+ ret = constraintList_addListFree (ret,
+ exprNode_traversEnsuresConstraints
+ (exprData_getInitNode (data) ) );
+ break;
+
+
case XPR_ASSIGN:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversEnsuresConstraints
(exprData_getOpA (data) ) );
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversEnsuresConstraints
(exprData_getOpB (data) ) );
break;
case XPR_OP:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversEnsuresConstraints
(exprData_getOpA (data) ) );
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversEnsuresConstraints
(exprData_getOpB (data) ) );
break;
case XPR_SIZEOF:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversEnsuresConstraints
(exprData_getSingle (data) ) );
break;
case XPR_CALL:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversEnsuresConstraints
(exprData_getFcn (data) ) );
/*@i11*/ // exprNodeList_unparse (exprData_getArgs (data) );
break;
case XPR_RETURN:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversEnsuresConstraints
(exprData_getSingle (data) ) );
break;
break;
case XPR_FACCESS:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversEnsuresConstraints
(exprData_getFieldNode (data) ) );
//exprData_getFieldName (data) ;
break;
case XPR_ARROW:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversEnsuresConstraints
(exprData_getFieldNode (data) ) );
// exprData_getFieldName (data);
break;
case XPR_POSTOP:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversEnsuresConstraints
(exprData_getUopNode (data) ) );
break;
case XPR_CAST:
- ret = constraintList_addList (ret,
+ ret = constraintList_addListFree (ret,
exprNode_traversEnsuresConstraints
(exprData_getCastNode (data) ) );
break;
return ret;
}
+/*drl moved out of constraintResolve.c 07-02-001 */
+void checkArgumentList (/*@out@*/ exprNode temp, exprNodeList arglist, fileloc sequencePoint)
+{
+ temp->requiresConstraints = constraintList_makeNew();
+ temp->ensuresConstraints = constraintList_makeNew();
+ temp->trueEnsuresConstraints = constraintList_makeNew();
+ temp->falseEnsuresConstraints = constraintList_makeNew();
+
+ exprNodeList_elements (arglist, el)
+ {
+ constraintList temp2;
+ exprNode_exprTraverse (el, FALSE, FALSE, sequencePoint);
+ temp2 = el->requiresConstraints;
+ el->requiresConstraints = exprNode_traversRequiresConstraints(el);
+ constraintList_free(temp2);
+
+ temp2 = el->ensuresConstraints;
+ el->ensuresConstraints = exprNode_traversEnsuresConstraints(el);
+ constraintList_free(temp2);
+
+ temp->requiresConstraints = constraintList_addList(temp->requiresConstraints,
+ el->requiresConstraints);
+
+ temp->ensuresConstraints = constraintList_addList(temp->ensuresConstraints,
+ el->ensuresConstraints);
+ }
+ end_exprNodeList_elements;
+
+}
+
+/*drl moved out of constraintResolve.c 07-03-001 */
+constraintList exprNode_getPostConditions (exprNode fcn, exprNodeList arglist, exprNode fcnCall)
+{
+ constraintList postconditions;
+ uentry temp;
+ DPRINTF( (message ("Got call that %s ( %s) ", exprNode_unparse(fcn), exprNodeList_unparse (arglist ) ) ) );
+
+ temp = exprNode_getUentry (fcn);
+
+ postconditions = uentry_getFcnPostconditions (temp);
+
+ if (constraintList_isDefined(postconditions) )
+ {
+ postconditions = constraintList_doSRefFixConstraintParam (postconditions, arglist);
+ postconditions = constraintList_doFixResult (postconditions, fcnCall);
+ }
+ else
+ {
+ postconditions = constraintList_makeNew();
+ }
+
+ return postconditions;
+}
+
+
+/*drl moved out of constraintResolve.c 07-02-001 */
+constraintList checkCall (/*@dependent@*/ exprNode fcn, exprNodeList arglist)
+{
+ constraintList preconditions;
+ uentry temp;
+ DPRINTF( (message ("Got call that %s ( %s) ", exprNode_unparse(fcn), exprNodeList_unparse (arglist ) ) ) );
+
+ temp = exprNode_getUentry (fcn);
+
+ preconditions = uentry_getFcnPreconditions (temp);
+
+ if (constraintList_isDefined(preconditions) )
+ {
+ preconditions = constraintList_togglePost (preconditions);
+ preconditions = constraintList_preserveCallInfo(preconditions, fcn);
+ preconditions = constraintList_doSRefFixConstraintParam (preconditions, arglist);
+ }
+ else
+ {
+ if (constraintList_isUndefined(preconditions) )
+ preconditions = constraintList_makeNew();
+ }
+ DPRINTF (( message("Done checkCall\n") ));
+ DPRINTF (( message("Returning list %q ", constraintList_printDetailed(preconditions) ) ));
+ return preconditions;
+}
andersk / splint.git / blobdiff