diff options
Diffstat (limited to 'lib/StaticAnalyzer/Checkers/VLASizeChecker.cpp')
-rw-r--r-- | lib/StaticAnalyzer/Checkers/VLASizeChecker.cpp | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/lib/StaticAnalyzer/Checkers/VLASizeChecker.cpp b/lib/StaticAnalyzer/Checkers/VLASizeChecker.cpp index ba46e17..875dce2 100644 --- a/lib/StaticAnalyzer/Checkers/VLASizeChecker.cpp +++ b/lib/StaticAnalyzer/Checkers/VLASizeChecker.cpp @@ -14,32 +14,27 @@ // //===----------------------------------------------------------------------===// -#include "InternalChecks.h" -#include "clang/AST/CharUnits.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" -#include "clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h" +#include "clang/AST/CharUnits.h" using namespace clang; using namespace ento; namespace { -class VLASizeChecker : public CheckerVisitor<VLASizeChecker> { - BugType *BT_zero; - BugType *BT_undef; +class VLASizeChecker : public Checker< check::PreStmt<DeclStmt> > { + mutable llvm::OwningPtr<BugType> BT_zero; + mutable llvm::OwningPtr<BugType> BT_undef; public: - VLASizeChecker() : BT_zero(0), BT_undef(0) {} - static void *getTag() { static int tag = 0; return &tag; } - void PreVisitDeclStmt(CheckerContext &C, const DeclStmt *DS); + void checkPreStmt(const DeclStmt *DS, CheckerContext &C) const; }; } // end anonymous namespace -void ento::RegisterVLASizeChecker(ExprEngine &Eng) { - Eng.registerCheck(new VLASizeChecker()); -} - -void VLASizeChecker::PreVisitDeclStmt(CheckerContext &C, const DeclStmt *DS) { +void VLASizeChecker::checkPreStmt(const DeclStmt *DS, CheckerContext &C) const { if (!DS->isSingleDecl()) return; @@ -64,8 +59,8 @@ void VLASizeChecker::PreVisitDeclStmt(CheckerContext &C, const DeclStmt *DS) { return; if (!BT_undef) - BT_undef = new BuiltinBug("Declared variable-length array (VLA) uses a " - "garbage value as its size"); + BT_undef.reset(new BuiltinBug("Declared variable-length array (VLA) " + "uses a garbage value as its size")); EnhancedBugReport *report = new EnhancedBugReport(*BT_undef, BT_undef->getName(), N); @@ -89,8 +84,8 @@ void VLASizeChecker::PreVisitDeclStmt(CheckerContext &C, const DeclStmt *DS) { if (stateZero && !stateNotZero) { ExplodedNode* N = C.generateSink(stateZero); if (!BT_zero) - BT_zero = new BuiltinBug("Declared variable-length array (VLA) has zero " - "size"); + BT_zero.reset(new BuiltinBug("Declared variable-length array (VLA) has " + "zero size")); EnhancedBugReport *report = new EnhancedBugReport(*BT_zero, BT_zero->getName(), N); @@ -136,3 +131,7 @@ void VLASizeChecker::PreVisitDeclStmt(CheckerContext &C, const DeclStmt *DS) { // Remember our assumptions! C.addTransition(state); } + +void ento::registerVLASizeChecker(CheckerManager &mgr) { + mgr.registerChecker<VLASizeChecker>(); +} |