[analyzer] Migrate UndefinedArraySubscriptChecker to CheckerV2.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126618 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Checkers/UndefinedArraySubscriptChecker.cpp b/lib/StaticAnalyzer/Checkers/UndefinedArraySubscriptChecker.cpp
index ff03448..f83d444 100644
--- a/lib/StaticAnalyzer/Checkers/UndefinedArraySubscriptChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/UndefinedArraySubscriptChecker.cpp
@@ -12,39 +12,32 @@
//
//===----------------------------------------------------------------------===//
-#include "InternalChecks.h"
+#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 UndefinedArraySubscriptChecker
- : public CheckerVisitor<UndefinedArraySubscriptChecker> {
- BugType *BT;
+ : public CheckerV2< check::PreStmt<ArraySubscriptExpr> > {
+ mutable llvm::OwningPtr<BugType> BT;
+
public:
- UndefinedArraySubscriptChecker() : BT(0) {}
- static void *getTag() {
- static int x = 0;
- return &x;
- }
- void PreVisitArraySubscriptExpr(CheckerContext &C,
- const ArraySubscriptExpr *A);
+ void checkPreStmt(const ArraySubscriptExpr *A, CheckerContext &C) const;
};
} // end anonymous namespace
-void ento::RegisterUndefinedArraySubscriptChecker(ExprEngine &Eng) {
- Eng.registerCheck(new UndefinedArraySubscriptChecker());
-}
-
void
-UndefinedArraySubscriptChecker::PreVisitArraySubscriptExpr(CheckerContext &C,
- const ArraySubscriptExpr *A) {
+UndefinedArraySubscriptChecker::checkPreStmt(const ArraySubscriptExpr *A,
+ CheckerContext &C) const {
if (C.getState()->getSVal(A->getIdx()).isUndef()) {
if (ExplodedNode *N = C.generateSink()) {
if (!BT)
- BT = new BuiltinBug("Array subscript is undefined");
+ BT.reset(new BuiltinBug("Array subscript is undefined"));
// Generate a report for this bug.
EnhancedBugReport *R = new EnhancedBugReport(*BT, BT->getName(), N);
@@ -55,3 +48,7 @@
}
}
}
+
+void ento::registerUndefinedArraySubscriptChecker(CheckerManager &mgr) {
+ mgr.registerChecker<UndefinedArraySubscriptChecker>();
+}