diff options
author | Argyrios Kyrtzidis <akyrtzi@gmail.com> | 2011-02-23 01:05:36 +0000 |
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committer | Argyrios Kyrtzidis <akyrtzi@gmail.com> | 2011-02-23 01:05:36 +0000 |
commit | 983326f32c746f5e47161a73758e4d363263dd2c (patch) | |
tree | 97dc5b37ae3fa42a8aacb852f7b4f1db2354b3b9 /lib/StaticAnalyzer/Checkers/PointerArithChecker.cpp | |
parent | 5ef04ee40c3332d31b6d1439f50d0ddb45812929 (diff) |
[analyzer] Migrate to CheckerV2:
CastToStructChecker
FixedAddressChecker
MacOSXAPIChecker
PointerArithChecker
PointerSubChecker
PthreadLockChecker
UnixAPIChecker
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126284 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/StaticAnalyzer/Checkers/PointerArithChecker.cpp')
-rw-r--r-- | lib/StaticAnalyzer/Checkers/PointerArithChecker.cpp | 31 |
1 files changed, 11 insertions, 20 deletions
diff --git a/lib/StaticAnalyzer/Checkers/PointerArithChecker.cpp b/lib/StaticAnalyzer/Checkers/PointerArithChecker.cpp index 741e48bfcb..034a2aaef7 100644 --- a/lib/StaticAnalyzer/Checkers/PointerArithChecker.cpp +++ b/lib/StaticAnalyzer/Checkers/PointerArithChecker.cpp @@ -13,31 +13,26 @@ //===----------------------------------------------------------------------===// #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 PointerArithChecker - : public CheckerVisitor<PointerArithChecker> { - BuiltinBug *BT; + : public CheckerV2< check::PreStmt<BinaryOperator> > { + mutable llvm::OwningPtr<BuiltinBug> BT; + public: - PointerArithChecker() : BT(0) {} - static void *getTag(); - void PreVisitBinaryOperator(CheckerContext &C, const BinaryOperator *B); + void checkPreStmt(const BinaryOperator *B, CheckerContext &C) const; }; } -void *PointerArithChecker::getTag() { - static int x; - return &x; -} - -void PointerArithChecker::PreVisitBinaryOperator(CheckerContext &C, - const BinaryOperator *B) { +void PointerArithChecker::checkPreStmt(const BinaryOperator *B, + CheckerContext &C) const { if (B->getOpcode() != BO_Sub && B->getOpcode() != BO_Add) return; @@ -57,10 +52,10 @@ void PointerArithChecker::PreVisitBinaryOperator(CheckerContext &C, if (ExplodedNode *N = C.generateNode()) { if (!BT) - BT = new BuiltinBug("Dangerous pointer arithmetic", + BT.reset(new BuiltinBug("Dangerous pointer arithmetic", "Pointer arithmetic done on non-array variables " "means reliance on memory layout, which is " - "dangerous."); + "dangerous.")); RangedBugReport *R = new RangedBugReport(*BT, BT->getDescription(), N); R->addRange(B->getSourceRange()); C.EmitReport(R); @@ -68,10 +63,6 @@ void PointerArithChecker::PreVisitBinaryOperator(CheckerContext &C, } } -static void RegisterPointerArithChecker(ExprEngine &Eng) { - Eng.registerCheck(new PointerArithChecker()); -} - void ento::registerPointerArithChecker(CheckerManager &mgr) { - mgr.addCheckerRegisterFunction(RegisterPointerArithChecker); + mgr.registerChecker<PointerArithChecker>(); } |