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-rw-r--r--lib/StaticAnalyzer/Checkers/IteratorsChecker.cpp27
-rw-r--r--lib/StaticAnalyzer/Core/Environment.cpp3
-rw-r--r--lib/StaticAnalyzer/Core/ExprEngine.cpp24
3 files changed, 35 insertions, 19 deletions
diff --git a/lib/StaticAnalyzer/Checkers/IteratorsChecker.cpp b/lib/StaticAnalyzer/Checkers/IteratorsChecker.cpp
index e4e5f54770..de6da4f8c3 100644
--- a/lib/StaticAnalyzer/Checkers/IteratorsChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/IteratorsChecker.cpp
@@ -237,8 +237,11 @@ const GRState *IteratorsChecker::invalidateIterators(const GRState *state,
const GRState *IteratorsChecker::handleAssign(const GRState *state,
const Expr *lexp, const Expr *rexp, const LocationContext *LC) const {
// Skip the cast if present.
- if (isa<ImplicitCastExpr>(lexp))
- lexp = dyn_cast<ImplicitCastExpr>(lexp)->getSubExpr();
+ if (const MaterializeTemporaryExpr *M
+ = dyn_cast<MaterializeTemporaryExpr>(lexp))
+ lexp = M->GetTemporaryExpr();
+ if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(lexp))
+ lexp = ICE->getSubExpr();
SVal sv = state->getSVal(lexp);
const MemRegion *MR = sv.getAsRegion();
if (!MR)
@@ -260,8 +263,11 @@ const GRState *IteratorsChecker::handleAssign(const GRState *state,
const MemRegion *MR, const Expr *rexp, const LocationContext *LC) const {
// Assume unknown until we find something definite.
state = state->set<IteratorState>(MR, RefState::getUnknown());
- if (isa<ImplicitCastExpr>(rexp))
- rexp = dyn_cast<ImplicitCastExpr>(rexp)->getSubExpr();
+ if (const MaterializeTemporaryExpr *M
+ = dyn_cast<MaterializeTemporaryExpr>(rexp))
+ rexp = M->GetTemporaryExpr();
+ if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(rexp))
+ rexp = ICE->getSubExpr();
// Need to handle three cases: MemberCall, copy, copy with addition.
if (const CallExpr *CE = dyn_cast<CallExpr>(rexp)) {
// Handle MemberCall.
@@ -347,8 +353,10 @@ const DeclRefExpr *IteratorsChecker::getDeclRefExpr(const Expr *E) const {
E = CE->getArg(0);
}
}
- if (isa<ImplicitCastExpr>(E))
- E = dyn_cast<ImplicitCastExpr>(E)->getSubExpr();
+ if (const MaterializeTemporaryExpr *M = dyn_cast<MaterializeTemporaryExpr>(E))
+ E = M->GetTemporaryExpr();
+ if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(E))
+ E = ICE->getSubExpr();
// If it isn't one of our types, don't do anything.
if (getTemplateKind(E->getType()) != VectorIteratorKind)
return NULL;
@@ -520,8 +528,11 @@ void IteratorsChecker::checkPreStmt(const DeclStmt *DS,
if (const CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(InitEx)) {
if (CE->getNumArgs() == 1) {
const Expr *E = CE->getArg(0);
- if (isa<ImplicitCastExpr>(E))
- InitEx = dyn_cast<ImplicitCastExpr>(E)->getSubExpr();
+ if (const MaterializeTemporaryExpr *M
+ = dyn_cast<MaterializeTemporaryExpr>(E))
+ E = M->GetTemporaryExpr();
+ if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(E))
+ InitEx = ICE->getSubExpr();
state = handleAssign(state, MR, InitEx,
C.getPredecessor()->getLocationContext());
}
diff --git a/lib/StaticAnalyzer/Core/Environment.cpp b/lib/StaticAnalyzer/Core/Environment.cpp
index 48f126bfd8..3961c7b952 100644
--- a/lib/StaticAnalyzer/Core/Environment.cpp
+++ b/lib/StaticAnalyzer/Core/Environment.cpp
@@ -83,6 +83,9 @@ SVal Environment::getSVal(const Stmt *E, SValBuilder& svalBuilder,
case Stmt::CXXBindTemporaryExprClass:
E = cast<CXXBindTemporaryExpr>(E)->getSubExpr();
continue;
+ case Stmt::MaterializeTemporaryExprClass:
+ E = cast<MaterializeTemporaryExpr>(E)->GetTemporaryExpr();
+ continue;
// Handle all other Stmt* using a lookup.
default:
break;
diff --git a/lib/StaticAnalyzer/Core/ExprEngine.cpp b/lib/StaticAnalyzer/Core/ExprEngine.cpp
index 21efbac699..4aa5e350bc 100644
--- a/lib/StaticAnalyzer/Core/ExprEngine.cpp
+++ b/lib/StaticAnalyzer/Core/ExprEngine.cpp
@@ -700,6 +700,16 @@ void ExprEngine::Visit(const Stmt* S, ExplodedNode* Pred,
break;
}
+ case Expr::MaterializeTemporaryExprClass: {
+ const MaterializeTemporaryExpr *Materialize
+ = cast<MaterializeTemporaryExpr>(S);
+ if (!Materialize->getType()->isRecordType())
+ CreateCXXTemporaryObject(Materialize->GetTemporaryExpr(), Pred, Dst);
+ else
+ Visit(Materialize->GetTemporaryExpr(), Pred, Dst);
+ break;
+ }
+
case Stmt::InitListExprClass:
VisitInitListExpr(cast<InitListExpr>(S), Pred, Dst);
break;
@@ -2306,17 +2316,9 @@ void ExprEngine::VisitDeclStmt(const DeclStmt *DS, ExplodedNode *Pred,
// time a function is called those values may not be current.
ExplodedNodeSet Tmp;
- if (InitEx) {
- if (VD->getType()->isReferenceType() && !InitEx->isLValue()) {
- // If the initializer is C++ record type, it should already has a
- // temp object.
- if (!InitEx->getType()->isRecordType())
- CreateCXXTemporaryObject(InitEx, Pred, Tmp);
- else
- Tmp.Add(Pred);
- } else
- Visit(InitEx, Pred, Tmp);
- } else
+ if (InitEx)
+ Visit(InitEx, Pred, Tmp);
+ else
Tmp.Add(Pred);
ExplodedNodeSet Tmp2;