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-rw-r--r--lib/StaticAnalyzer/Checkers/CastToStructChecker.cpp32
1 files changed, 11 insertions, 21 deletions
diff --git a/lib/StaticAnalyzer/Checkers/CastToStructChecker.cpp b/lib/StaticAnalyzer/Checkers/CastToStructChecker.cpp
index 8ec226a..04cc253 100644
--- a/lib/StaticAnalyzer/Checkers/CastToStructChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/CastToStructChecker.cpp
@@ -14,31 +14,25 @@
//===----------------------------------------------------------------------===//
#include "ClangSACheckers.h"
+#include "clang/StaticAnalyzer/Core/CheckerV2.h"
#include "clang/StaticAnalyzer/Core/CheckerManager.h"
+#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
#include "clang/StaticAnalyzer/Core/BugReporter/BugType.h"
-#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerVisitor.h"
using namespace clang;
using namespace ento;
namespace {
-class CastToStructChecker
- : public CheckerVisitor<CastToStructChecker> {
- BuiltinBug *BT;
+class CastToStructChecker : public CheckerV2< check::PreStmt<CastExpr> > {
+ mutable llvm::OwningPtr<BuiltinBug> BT;
+
public:
- CastToStructChecker() : BT(0) {}
- static void *getTag();
- void PreVisitCastExpr(CheckerContext &C, const CastExpr *B);
+ void checkPreStmt(const CastExpr *CE, CheckerContext &C) const;
};
}
-void *CastToStructChecker::getTag() {
- static int x;
- return &x;
-}
-
-void CastToStructChecker::PreVisitCastExpr(CheckerContext &C,
- const CastExpr *CE) {
+void CastToStructChecker::checkPreStmt(const CastExpr *CE,
+ CheckerContext &C) const {
const Expr *E = CE->getSubExpr();
ASTContext &Ctx = C.getASTContext();
QualType OrigTy = Ctx.getCanonicalType(E->getType());
@@ -64,10 +58,10 @@ void CastToStructChecker::PreVisitCastExpr(CheckerContext &C,
if (!OrigPointeeTy->isRecordType()) {
if (ExplodedNode *N = C.generateNode()) {
if (!BT)
- BT = new BuiltinBug("Cast from non-struct type to struct type",
+ BT.reset(new BuiltinBug("Cast from non-struct type to struct type",
"Casting a non-structure type to a structure type "
"and accessing a field can lead to memory access "
- "errors or data corruption.");
+ "errors or data corruption."));
RangedBugReport *R = new RangedBugReport(*BT,BT->getDescription(), N);
R->addRange(CE->getSourceRange());
C.EmitReport(R);
@@ -75,10 +69,6 @@ void CastToStructChecker::PreVisitCastExpr(CheckerContext &C,
}
}
-static void RegisterCastToStructChecker(ExprEngine &Eng) {
- Eng.registerCheck(new CastToStructChecker());
-}
-
void ento::registerCastToStructChecker(CheckerManager &mgr) {
- mgr.addCheckerRegisterFunction(RegisterCastToStructChecker);
+ mgr.registerChecker<CastToStructChecker>();
}
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