diff options
Diffstat (limited to 'lib/StaticAnalyzer/Checkers/UndefinedArraySubscriptChecker.cpp')
-rw-r--r-- | lib/StaticAnalyzer/Checkers/UndefinedArraySubscriptChecker.cpp | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/lib/StaticAnalyzer/Checkers/UndefinedArraySubscriptChecker.cpp b/lib/StaticAnalyzer/Checkers/UndefinedArraySubscriptChecker.cpp index ff03448..e51ab20 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/Checker.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 Checker< 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 @@ UndefinedArraySubscriptChecker::PreVisitArraySubscriptExpr(CheckerContext &C, } } } + +void ento::registerUndefinedArraySubscriptChecker(CheckerManager &mgr) { + mgr.registerChecker<UndefinedArraySubscriptChecker>(); +} |