// Use not for leaks but useful to remove our stored symbols
void iOSAppSecInsecureKeyChainStorageChecker::checkDeadSymbols(SymbolReaper &SymReaper,
CheckerContext &C) const
{
ProgramStateRef pProgState = C.getState() ;
StreamMapTy TrackedStreams = pProgState ->get<StreamMap>() ;
for (StreamMapTy::iterator I = TrackedStreams.begin(),
E = TrackedStreams.end(); I != E; ++I)
{
SymbolRef pSymbol = I ->first ;
// Remove the dead symbol from the streams map.
if ( SymReaper.isDead( pSymbol ) )
{
pProgState = pProgState -> remove<StreamMap>( pSymbol ) ;
}
}
C.addTransition( pProgState ) ;
}
void SimpleStreamChecker::checkDeadSymbols(SymbolReaper &SymReaper,
CheckerContext &C) const {
ProgramStateRef State = C.getState();
SymbolVector LeakedStreams;
StreamMapTy TrackedStreams = State->get<StreamMap>();
for (StreamMapTy::iterator I = TrackedStreams.begin(),
E = TrackedStreams.end(); I != E; ++I) {
SymbolRef Sym = I->first;
bool IsSymDead = SymReaper.isDead(Sym);
// Collect leaked symbols.
if (isLeaked(Sym, I->second, IsSymDead, State))
LeakedStreams.push_back(Sym);
// Remove the dead symbol from the streams map.
if (IsSymDead)
State = State->remove<StreamMap>(Sym);
}
ExplodedNode *N = C.addTransition(State);
reportLeaks(LeakedStreams, C, N);
}