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Diffstat (limited to 'clang/lib/StaticAnalyzer/Checkers/RetainCountChecker.cpp')
-rw-r--r--clang/lib/StaticAnalyzer/Checkers/RetainCountChecker.cpp108
1 files changed, 54 insertions, 54 deletions
diff --git a/clang/lib/StaticAnalyzer/Checkers/RetainCountChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/RetainCountChecker.cpp
index 9369aeb5446..490a242191b 100644
--- a/clang/lib/StaticAnalyzer/Checkers/RetainCountChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/RetainCountChecker.cpp
@@ -250,7 +250,7 @@ public:
bool operator==(const RefVal& X) const {
return T == X.T && hasSameState(X) && getObjKind() == X.getObjKind();
}
-
+
void Profile(llvm::FoldingSetNodeID& ID) const {
ID.Add(T);
ID.AddInteger(RawKind);
@@ -426,16 +426,16 @@ public:
/// setRetEffect - Set the effect of the return value of the call.
void setRetEffect(RetEffect E) { Ret = E; }
-
+
/// Sets the effect on the receiver of the message.
void setReceiverEffect(ArgEffect e) { Receiver = e; }
-
+
/// getReceiverEffect - Returns the effect on the receiver of the call.
/// This is only meaningful if the summary applies to an ObjCMessageExpr*.
ArgEffect getReceiverEffect() const { return Receiver; }
/// Test if two retain summaries are identical. Note that merely equivalent
- /// summaries are not necessarily identical (for example, if an explicit
+ /// summaries are not necessarily identical (for example, if an explicit
/// argument effect matches the default effect).
bool operator==(const RetainSummary &Other) const {
return Args == Other.Args && DefaultArgEffect == Other.DefaultArgEffect &&
@@ -621,7 +621,7 @@ class RetainSummaryManager {
ArgEffects::Factory AF;
/// ScratchArgs - A holding buffer for construct ArgEffects.
- ArgEffects ScratchArgs;
+ ArgEffects ScratchArgs;
/// ObjCAllocRetE - Default return effect for methods returning Objective-C
/// objects.
@@ -644,7 +644,7 @@ class RetainSummaryManager {
ArgEffects getArgEffects();
enum UnaryFuncKind { cfretain, cfrelease, cfautorelease, cfmakecollectable };
-
+
const RetainSummary *getUnarySummary(const FunctionType* FT,
UnaryFuncKind func);
@@ -664,7 +664,7 @@ class RetainSummaryManager {
const RetainSummary *getDoNothingSummary() {
return getPersistentSummary(RetEffect::MakeNoRet(), DoNothing, DoNothing);
}
-
+
const RetainSummary *getDefaultSummary() {
return getPersistentSummary(RetEffect::MakeNoRet(),
DoNothing, MayEscape);
@@ -689,7 +689,7 @@ private:
void addClassMethSummary(const char* Cls, const char* name,
const RetainSummary *Summ, bool isNullary = true) {
IdentifierInfo* ClsII = &Ctx.Idents.get(Cls);
- Selector S = isNullary ? GetNullarySelector(name, Ctx)
+ Selector S = isNullary ? GetNullarySelector(name, Ctx)
: GetUnarySelector(name, Ctx);
ObjCClassMethodSummaries[ObjCSummaryKey(ClsII, S)] = Summ;
}
@@ -739,7 +739,7 @@ public:
? RetEffect::MakeGCNotOwned()
: (usesARC ? RetEffect::MakeNotOwned(RetEffect::ObjC)
: RetEffect::MakeOwned(RetEffect::ObjC, true))),
- ObjCInitRetE(gcenabled
+ ObjCInitRetE(gcenabled
? RetEffect::MakeGCNotOwned()
: (usesARC ? RetEffect::MakeNotOwned(RetEffect::ObjC)
: RetEffect::MakeOwnedWhenTrackedReceiver())) {
@@ -803,7 +803,7 @@ public:
bool isGCEnabled() const { return GCEnabled; }
bool isARCEnabled() const { return ARCEnabled; }
-
+
bool isARCorGCEnabled() const { return GCEnabled || ARCEnabled; }
RetEffect getObjAllocRetEffect() const { return ObjCAllocRetE; }
@@ -966,7 +966,7 @@ void RetainSummaryManager::updateSummaryForCall(const RetainSummary *&S,
// Additionally, our Self Init checker already warns about it. To avoid
// overwhelming the user with messages from both checkers, we model the case
// of '[super init]' in cases when it is not consumed by another expression
- // as if the call preserves the value of 'self'; essentially, assuming it can
+ // as if the call preserves the value of 'self'; essentially, assuming it can
// never fail and return 'nil'.
// Note, we don't want to just stop tracking the value since we want the
// RetainCount checker to report leaks and use-after-free if SelfInit checker
@@ -1150,7 +1150,7 @@ RetainSummaryManager::getFunctionSummary(const FunctionDecl *FD) {
if (S)
break;
- if (RetTy->isPointerType()) {
+ if (RetTy->isPointerType()) {
// For CoreFoundation ('CF') types.
if (cocoa::isRefType(RetTy, "CF", FName)) {
if (isRetain(FD, FName)) {
@@ -1278,14 +1278,14 @@ RetainSummaryManager::getUnarySummary(const FunctionType* FT,
return getPersistentSummary(RetEffect::MakeNoRet(), DoNothing, DoNothing);
}
-const RetainSummary *
+const RetainSummary *
RetainSummaryManager::getCFSummaryCreateRule(const FunctionDecl *FD) {
assert (ScratchArgs.isEmpty());
return getPersistentSummary(RetEffect::MakeOwned(RetEffect::CF, true));
}
-const RetainSummary *
+const RetainSummary *
RetainSummaryManager::getCFSummaryGetRule(const FunctionDecl *FD) {
assert (ScratchArgs.isEmpty());
return getPersistentSummary(RetEffect::MakeNotOwned(RetEffect::CF),
@@ -1331,7 +1331,7 @@ RetainSummaryManager::updateSummaryFromAnnotations(const RetainSummary *&Summ,
// Effects on the parameters.
unsigned parm_idx = 0;
- for (FunctionDecl::param_const_iterator pi = FD->param_begin(),
+ for (FunctionDecl::param_const_iterator pi = FD->param_begin(),
pe = FD->param_end(); pi != pe; ++pi, ++parm_idx) {
const ParmVarDecl *pd = *pi;
if (pd->hasAttr<NSConsumedAttr>())
@@ -1367,8 +1367,8 @@ RetainSummaryManager::updateSummaryFromAnnotations(const RetainSummary *&Summ,
// Effects on the receiver.
if (MD->hasAttr<NSConsumesSelfAttr>())
- Template->setReceiverEffect(DecRefMsg);
-
+ Template->setReceiverEffect(DecRefMsg);
+
// Effects on the parameters.
unsigned parm_idx = 0;
for (ObjCMethodDecl::param_const_iterator
@@ -1376,9 +1376,9 @@ RetainSummaryManager::updateSummaryFromAnnotations(const RetainSummary *&Summ,
pi != pe; ++pi, ++parm_idx) {
const ParmVarDecl *pd = *pi;
if (pd->hasAttr<NSConsumedAttr>())
- Template->addArg(AF, parm_idx, DecRefMsg);
+ Template->addArg(AF, parm_idx, DecRefMsg);
else if (pd->hasAttr<CFConsumedAttr>()) {
- Template->addArg(AF, parm_idx, DecRef);
+ Template->addArg(AF, parm_idx, DecRef);
} else if (pd->hasAttr<CFReturnsRetainedAttr>()) {
QualType PointeeTy = pd->getType()->getPointeeType();
if (!PointeeTy.isNull())
@@ -1415,7 +1415,7 @@ RetainSummaryManager::getStandardMethodSummary(const ObjCMethodDecl *MD,
if (cocoa::isCocoaObjectRef(RetTy))
ResultEff = RetEffect::MakeNotOwned(RetEffect::ObjC);
else if (coreFoundation::isCFObjectRef(RetTy)) {
- // ObjCMethodDecl currently doesn't consider CF objects as valid return
+ // ObjCMethodDecl currently doesn't consider CF objects as valid return
// values for alloc, new, copy, or mutableCopy, so we have to
// double-check with the selector. This is ugly, but there aren't that
// many Objective-C methods that return CF objects, right?
@@ -1428,11 +1428,11 @@ RetainSummaryManager::getStandardMethodSummary(const ObjCMethodDecl *MD,
ResultEff = RetEffect::MakeOwned(RetEffect::CF, true);
break;
default:
- ResultEff = RetEffect::MakeNotOwned(RetEffect::CF);
+ ResultEff = RetEffect::MakeNotOwned(RetEffect::CF);
break;
}
} else {
- ResultEff = RetEffect::MakeNotOwned(RetEffect::CF);
+ ResultEff = RetEffect::MakeNotOwned(RetEffect::CF);
}
}
break;
@@ -1749,7 +1749,7 @@ namespace {
SymbolRef Sym;
const SummaryLogTy &SummaryLog;
bool GCEnabled;
-
+
public:
CFRefReportVisitor(SymbolRef sym, bool gcEnabled, const SummaryLogTy &log)
: Sym(sym), SummaryLog(log), GCEnabled(gcEnabled) {}
@@ -1869,7 +1869,7 @@ void CFRefReport::addGCModeDescription(const LangOptions &LOpts,
static bool isNumericLiteralExpression(const Expr *E) {
// FIXME: This set of cases was copied from SemaExprObjC.
- return isa<IntegerLiteral>(E) ||
+ return isa<IntegerLiteral>(E) ||
isa<CharacterLiteral>(E) ||
isa<FloatingLiteral>(E) ||
isa<ObjCBoolLiteralExpr>(E) ||
@@ -1948,7 +1948,7 @@ PathDiagnosticPiece *CFRefReportVisitor::VisitNode(const ExplodedNode *N,
else if (isa<ObjCIvarRefExpr>(S)) {
os << "Object loaded from instance variable";
}
- else {
+ else {
if (const CallExpr *CE = dyn_cast<CallExpr>(S)) {
// Get the name of the callee (if it is available).
SVal X = CurrSt->getSValAsScalarOrLoc(CE->getCallee(), LCtx);
@@ -2228,7 +2228,7 @@ GetAllocationSite(ProgramStateManager& StateMgr, const ExplodedNode *N,
StoreManager::FindUniqueBinding FB(Sym);
StateMgr.iterBindings(St, FB);
-
+
if (FB) {
const MemRegion *R = FB.getRegion();
const VarRegion *VR = R->getBaseRegion()->getAs<VarRegion>();
@@ -2345,10 +2345,10 @@ CFRefLeakReportVisitor::getEndPath(BugReporterContext &BRC,
// objects. Only "copy", "alloc", "retain" and "new" transfer ownership
// to the caller for NS objects.
const Decl *D = &EndN->getCodeDecl();
-
+
os << (isa<ObjCMethodDecl>(D) ? " is returned from a method "
: " is returned from a function ");
-
+
if (D->hasAttr<CFReturnsNotRetainedAttr>())
os << "that is annotated as CF_RETURNS_NOT_RETAINED";
else if (D->hasAttr<NSReturnsNotRetainedAttr>())
@@ -2385,7 +2385,7 @@ CFRefLeakReportVisitor::getEndPath(BugReporterContext &BRC,
}
CFRefLeakReport::CFRefLeakReport(CFRefBug &D, const LangOptions &LOpts,
- bool GCEnabled, const SummaryLogTy &Log,
+ bool GCEnabled, const SummaryLogTy &Log,
ExplodedNode *n, SymbolRef sym,
CheckerContext &Ctx,
bool IncludeAllocationLine)
@@ -2492,7 +2492,7 @@ class RetainCountChecker
/// the allocation line.
mutable bool IncludeAllocationLine;
-public:
+public:
RetainCountChecker(AnalyzerOptions &AO)
: ShouldResetSummaryLog(false),
IncludeAllocationLine(shouldIncludeAllocationSiteInLeakDiagnostics(AO)) {}
@@ -2617,7 +2617,7 @@ public:
void checkPostStmt(const ObjCIvarRefExpr *IRE, CheckerContext &C) const;
void checkPostCall(const CallEvent &Call, CheckerContext &C) const;
-
+
void checkSummary(const RetainSummary &Summ, const CallEvent &Call,
CheckerContext &C) const;
@@ -2630,13 +2630,13 @@ public:
ProgramStateRef evalAssume(ProgramStateRef state, SVal Cond,
bool Assumption) const;
- ProgramStateRef
+ ProgramStateRef
checkRegionChanges(ProgramStateRef state,
const InvalidatedSymbols *invalidated,
ArrayRef<const MemRegion *> ExplicitRegions,
ArrayRef<const MemRegion *> Regions,
const CallEvent *Call) const;
-
+
bool wantsRegionChangeUpdate(ProgramStateRef state) const {
return true;
}
@@ -2645,7 +2645,7 @@ public:
void checkReturnWithRetEffect(const ReturnStmt *S, CheckerContext &C,
ExplodedNode *Pred, RetEffect RE, RefVal X,
SymbolRef Sym, ProgramStateRef state) const;
-
+
void checkDeadSymbols(SymbolReaper &SymReaper, CheckerContext &C) const;
void checkEndFunction(CheckerContext &C) const;
@@ -2656,7 +2656,7 @@ public:
void processNonLeakError(ProgramStateRef St, SourceRange ErrorRange,
RefVal::Kind ErrorKind, SymbolRef Sym,
CheckerContext &C) const;
-
+
void processObjCLiterals(CheckerContext &C, const Expr *Ex) const;
const ProgramPointTag *getDeadSymbolTag(SymbolRef sym) const;
@@ -2740,21 +2740,21 @@ void RetainCountChecker::checkPostStmt(const CastExpr *CE,
const ObjCBridgedCastExpr *BE = dyn_cast<ObjCBridgedCastExpr>(CE);
if (!BE)
return;
-
+
ArgEffect AE = IncRef;
-
+
switch (BE->getBridgeKind()) {
case clang::OBC_Bridge:
// Do nothing.
return;
case clang::OBC_BridgeRetained:
AE = IncRef;
- break;
+ break;
case clang::OBC_BridgeTransfer:
AE = DecRefBridgedTransferred;
break;
}
-
+
ProgramStateRef state = C.getState();
SymbolRef Sym = state->getSVal(CE, C.getLocationContext()).getAsLocSymbol();
if (!Sym)
@@ -2765,7 +2765,7 @@ void RetainCountChecker::checkPostStmt(const CastExpr *CE,
RefVal::Kind hasErr = (RefVal::Kind) 0;
state = updateSymbol(state, Sym, *T, AE, hasErr, C);
-
+
if (hasErr) {
// FIXME: If we get an error during a bridge cast, should we report it?
return;
@@ -2777,7 +2777,7 @@ void RetainCountChecker::checkPostStmt(const CastExpr *CE,
void RetainCountChecker::processObjCLiterals(CheckerContext &C,
const Expr *Ex) const {
ProgramStateRef state = C.getState();
- const ExplodedNode *pred = C.getPredecessor();
+ const ExplodedNode *pred = C.getPredecessor();
for (const Stmt *Child : Ex->children()) {
SVal V = state->getSVal(Child, pred->getLocationContext());
if (SymbolRef sym = V.getAsSymbol())
@@ -2790,17 +2790,17 @@ void RetainCountChecker::processObjCLiterals(CheckerContext &C,
}
}
}
-
+
// Return the object as autoreleased.
// RetEffect RE = RetEffect::MakeNotOwned(RetEffect::ObjC);
- if (SymbolRef sym =
+ if (SymbolRef sym =
state->getSVal(Ex, pred->getLocationContext()).getAsSymbol()) {
QualType ResultTy = Ex->getType();
state = setRefBinding(state, sym,
RefVal::makeNotOwned(RetEffect::ObjC, ResultTy));
}
-
- C.addTransition(state);
+
+ C.addTransition(state);
}
void RetainCountChecker::checkPostStmt(const ObjCArrayLiteral *AL,
@@ -2817,7 +2817,7 @@ void RetainCountChecker::checkPostStmt(const ObjCDictionaryLiteral *DL,
void RetainCountChecker::checkPostStmt(const ObjCBoxedExpr *Ex,
CheckerContext &C) const {
- const ExplodedNode *Pred = C.getPredecessor();
+ const ExplodedNode *Pred = C.getPredecessor();
const LocationContext *LCtx = Pred->getLocationContext();
ProgramStateRef State = Pred->getState();
@@ -2966,7 +2966,7 @@ void RetainCountChecker::processSummaryOfInlined(const RetainSummary &Summ,
if (Sym)
state = removeRefBinding(state, Sym);
}
-
+
C.addTransition(state);
}
@@ -3062,7 +3062,7 @@ void RetainCountChecker::checkSummary(const RetainSummary &Summ,
if (RE.getKind() == RetEffect::OwnedWhenTrackedReceiver) {
if (ReceiverIsTracked)
- RE = getSummaryManager(C).getObjAllocRetEffect();
+ RE = getSummaryManager(C).getObjAllocRetEffect();
else
RE = RetEffect::MakeNoRet();
}
@@ -3130,7 +3130,7 @@ void RetainCountChecker::checkSummary(const RetainSummary &Summ,
}
-ProgramStateRef
+ProgramStateRef
RetainCountChecker::updateSymbol(ProgramStateRef state, SymbolRef sym,
RefVal V, ArgEffect E, RefVal::Kind &hasErr,
CheckerContext &C) const {
@@ -3388,7 +3388,7 @@ bool RetainCountChecker::evalCall(const CallExpr *CE, CheckerContext &C) const {
isMakeCollectable(FD, FName);
}
}
-
+
if (!canEval)
return false;
@@ -3700,7 +3700,7 @@ ProgramStateRef RetainCountChecker::evalAssume(ProgramStateRef state,
return state;
}
-ProgramStateRef
+ProgramStateRef
RetainCountChecker::checkRegionChanges(ProgramStateRef state,
const InvalidatedSymbols *invalidated,
ArrayRef<const MemRegion *> ExplicitRegions,
@@ -3810,7 +3810,7 @@ RetainCountChecker::handleAutoreleaseCounts(ProgramStateRef state,
return nullptr;
}
-ProgramStateRef
+ProgramStateRef
RetainCountChecker::handleSymbolDeath(ProgramStateRef state,
SymbolRef sid, RefVal V,
SmallVectorImpl<SymbolRef> &Leaked) const {
@@ -3890,7 +3890,7 @@ void RetainCountChecker::checkEndFunction(CheckerContext &Ctx) const {
// and suggest annotations.
if (LCtx->getParent())
return;
-
+
B = state->get<RefBindings>();
SmallVector<SymbolRef, 10> Leaked;
@@ -3910,7 +3910,7 @@ RetainCountChecker::getDeadSymbolTag(SymbolRef sym) const {
sym->dumpToStream(out);
tag = new CheckerProgramPointTag(this, out.str());
}
- return tag;
+ return tag;
}
void RetainCountChecker::checkDeadSymbols(SymbolReaper &SymReaper,
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