void NSAutoreleasePoolChecker::checkPreObjCMessage(const ObjCMethodCall &msg,
CheckerContext &C) const {
if (!msg.isInstanceMessage())
return;
const ObjCInterfaceDecl *OD = msg.getReceiverInterface();
if (!OD)
return;
if (!OD->getIdentifier()->isStr("NSAutoreleasePool"))
return;
if (releaseS.isNull())
releaseS = GetNullarySelector("release", C.getASTContext());
// Sending 'release' message?
if (msg.getSelector() != releaseS)
return;
if (!BT)
BT.reset(new BugType("Use -drain instead of -release",
"API Upgrade (Apple)"));
ExplodedNode *N = C.addTransition();
if (!N) {
assert(0);
return;
}
BugReport *Report = new BugReport(*BT, "Use -drain instead of -release when "
"using NSAutoreleasePool and garbage collection", N);
Report->addRange(msg.getSourceRange());
C.emitReport(Report);
}
void ClassReleaseChecker::checkPreObjCMessage(const ObjCMethodCall &msg,
CheckerContext &C) const {
if (!BT) {
BT.reset(new APIMisuse(
this, "message incorrectly sent to class instead of class instance"));
ASTContext &Ctx = C.getASTContext();
releaseS = GetNullarySelector("release", Ctx);
retainS = GetNullarySelector("retain", Ctx);
autoreleaseS = GetNullarySelector("autorelease", Ctx);
drainS = GetNullarySelector("drain", Ctx);
}
if (msg.isInstanceMessage())
return;
const ObjCInterfaceDecl *Class = msg.getReceiverInterface();
assert(Class);
Selector S = msg.getSelector();
if (!(S == releaseS || S == retainS || S == autoreleaseS || S == drainS))
return;
if (ExplodedNode *N = C.generateNonFatalErrorNode()) {
SmallString<200> buf;
llvm::raw_svector_ostream os(buf);
os << "The '";
S.print(os);
os << "' message should be sent to instances "
"of class '" << Class->getName()
<< "' and not the class directly";
auto report = llvm::make_unique<BugReport>(*BT, os.str(), N);
report->addRange(msg.getSourceRange());
C.emitReport(std::move(report));
}
}
