本文整理汇总了C++中CallEventRef::getReceiverInterface方法的典型用法代码示例。如果您正苦于以下问题:C++ CallEventRef::getReceiverInterface方法的具体用法?C++ CallEventRef::getReceiverInterface怎么用?C++ CallEventRef::getReceiverInterface使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CallEventRef
的用法示例。
在下文中一共展示了CallEventRef::getReceiverInterface方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: VisitObjCMessage
void ExprEngine::VisitObjCMessage(const ObjCMessageExpr *ME,
ExplodedNode *Pred,
ExplodedNodeSet &Dst) {
CallEventManager &CEMgr = getStateManager().getCallEventManager();
CallEventRef<ObjCMethodCall> Msg =
CEMgr.getObjCMethodCall(ME, Pred->getState(), Pred->getLocationContext());
// Handle the previsits checks.
ExplodedNodeSet dstPrevisit;
getCheckerManager().runCheckersForPreObjCMessage(dstPrevisit, Pred,
*Msg, *this);
ExplodedNodeSet dstGenericPrevisit;
getCheckerManager().runCheckersForPreCall(dstGenericPrevisit, dstPrevisit,
*Msg, *this);
// Proceed with evaluate the message expression.
ExplodedNodeSet dstEval;
StmtNodeBuilder Bldr(dstGenericPrevisit, dstEval, *currentBuilderContext);
for (ExplodedNodeSet::iterator DI = dstGenericPrevisit.begin(),
DE = dstGenericPrevisit.end(); DI != DE; ++DI) {
ExplodedNode *Pred = *DI;
ProgramStateRef State = Pred->getState();
CallEventRef<ObjCMethodCall> UpdatedMsg = Msg.cloneWithState(State);
if (UpdatedMsg->isInstanceMessage()) {
SVal recVal = UpdatedMsg->getReceiverSVal();
if (!recVal.isUndef()) {
// Bifurcate the state into nil and non-nil ones.
DefinedOrUnknownSVal receiverVal = cast<DefinedOrUnknownSVal>(recVal);
ProgramStateRef notNilState, nilState;
llvm::tie(notNilState, nilState) = State->assume(receiverVal);
// There are three cases: can be nil or non-nil, must be nil, must be
// non-nil. We ignore must be nil, and merge the rest two into non-nil.
// FIXME: This ignores many potential bugs (<rdar://problem/11733396>).
// Revisit once we have lazier constraints.
if (nilState && !notNilState) {
continue;
}
// Check if the "raise" message was sent.
assert(notNilState);
if (Msg->getSelector() == RaiseSel) {
// If we raise an exception, for now treat it as a sink.
// Eventually we will want to handle exceptions properly.
Bldr.generateNode(currentStmt, Pred, State, true);
continue;
}
// Generate a transition to non-Nil state.
if (notNilState != State)
Pred = Bldr.generateNode(currentStmt, Pred, notNilState);
}
} else {
// Check for special class methods.
if (const ObjCInterfaceDecl *Iface = Msg->getReceiverInterface()) {
if (!NSExceptionII) {
ASTContext &Ctx = getContext();
NSExceptionII = &Ctx.Idents.get("NSException");
}
if (isSubclass(Iface, NSExceptionII)) {
enum { NUM_RAISE_SELECTORS = 2 };
// Lazily create a cache of the selectors.
if (!NSExceptionInstanceRaiseSelectors) {
ASTContext &Ctx = getContext();
NSExceptionInstanceRaiseSelectors =
new Selector[NUM_RAISE_SELECTORS];
SmallVector<IdentifierInfo*, NUM_RAISE_SELECTORS> II;
unsigned idx = 0;
// raise:format:
II.push_back(&Ctx.Idents.get("raise"));
II.push_back(&Ctx.Idents.get("format"));
NSExceptionInstanceRaiseSelectors[idx++] =
Ctx.Selectors.getSelector(II.size(), &II[0]);
// raise:format:arguments:
II.push_back(&Ctx.Idents.get("arguments"));
NSExceptionInstanceRaiseSelectors[idx++] =
Ctx.Selectors.getSelector(II.size(), &II[0]);
}
Selector S = Msg->getSelector();
bool RaisesException = false;
for (unsigned i = 0; i < NUM_RAISE_SELECTORS; ++i) {
if (S == NSExceptionInstanceRaiseSelectors[i]) {
RaisesException = true;
break;
}
}
if (RaisesException) {
// If we raise an exception, for now treat it as a sink.
// Eventually we will want to handle exceptions properly.
Bldr.generateNode(currentStmt, Pred, Pred->getState(), true);
continue;
}
//.........这里部分代码省略.........