diff options
Diffstat (limited to 'contrib/llvm/tools/clang/lib/Checker/UndefinedArraySubscriptChecker.cpp')
-rw-r--r-- | contrib/llvm/tools/clang/lib/Checker/UndefinedArraySubscriptChecker.cpp | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/contrib/llvm/tools/clang/lib/Checker/UndefinedArraySubscriptChecker.cpp b/contrib/llvm/tools/clang/lib/Checker/UndefinedArraySubscriptChecker.cpp deleted file mode 100644 index 148629e..0000000 --- a/contrib/llvm/tools/clang/lib/Checker/UndefinedArraySubscriptChecker.cpp +++ /dev/null @@ -1,56 +0,0 @@ -//===--- UndefinedArraySubscriptChecker.h ----------------------*- C++ -*--===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This defines UndefinedArraySubscriptChecker, a builtin check in GRExprEngine -// that performs checks for undefined array subscripts. -// -//===----------------------------------------------------------------------===// - -#include "GRExprEngineInternalChecks.h" -#include "clang/Checker/BugReporter/BugType.h" -#include "clang/Checker/PathSensitive/CheckerVisitor.h" - -using namespace clang; - -namespace { -class UndefinedArraySubscriptChecker - : public CheckerVisitor<UndefinedArraySubscriptChecker> { - BugType *BT; -public: - UndefinedArraySubscriptChecker() : BT(0) {} - static void *getTag() { - static int x = 0; - return &x; - } - void PreVisitArraySubscriptExpr(CheckerContext &C, - const ArraySubscriptExpr *A); -}; -} // end anonymous namespace - -void clang::RegisterUndefinedArraySubscriptChecker(GRExprEngine &Eng) { - Eng.registerCheck(new UndefinedArraySubscriptChecker()); -} - -void -UndefinedArraySubscriptChecker::PreVisitArraySubscriptExpr(CheckerContext &C, - const ArraySubscriptExpr *A) { - if (C.getState()->getSVal(A->getIdx()).isUndef()) { - if (ExplodedNode *N = C.GenerateSink()) { - if (!BT) - BT = new BuiltinBug("Array subscript is undefined"); - - // Generate a report for this bug. - EnhancedBugReport *R = new EnhancedBugReport(*BT, BT->getName(), N); - R->addRange(A->getIdx()->getSourceRange()); - R->addVisitorCreator(bugreporter::registerTrackNullOrUndefValue, - A->getIdx()); - C.EmitReport(R); - } - } -} |