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authordim <dim@FreeBSD.org>2011-05-02 19:39:53 +0000
committerdim <dim@FreeBSD.org>2011-05-02 19:39:53 +0000
commit110eaaceddcec790f7e6a5e3bf1261c9aa1e73ab (patch)
tree64a10f4c4154739d4a8191d7e1b52ce497f4ebd6 /lib/StaticAnalyzer/Checkers/UndefResultChecker.cpp
parenta0fb00f9837bd0d2e5948f16f6a6b82a7a628f51 (diff)
downloadFreeBSD-src-110eaaceddcec790f7e6a5e3bf1261c9aa1e73ab.zip
FreeBSD-src-110eaaceddcec790f7e6a5e3bf1261c9aa1e73ab.tar.gz
Vendor import of clang trunk r130700:
http://llvm.org/svn/llvm-project/cfe/trunk@130700
Diffstat (limited to 'lib/StaticAnalyzer/Checkers/UndefResultChecker.cpp')
-rw-r--r--lib/StaticAnalyzer/Checkers/UndefResultChecker.cpp28
1 files changed, 14 insertions, 14 deletions
diff --git a/lib/StaticAnalyzer/Checkers/UndefResultChecker.cpp b/lib/StaticAnalyzer/Checkers/UndefResultChecker.cpp
index 64a3567..7fa3804 100644
--- a/lib/StaticAnalyzer/Checkers/UndefResultChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/UndefResultChecker.cpp
@@ -12,9 +12,11 @@
//
//===----------------------------------------------------------------------===//
-#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"
#include "clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h"
using namespace clang;
@@ -22,23 +24,17 @@ using namespace ento;
namespace {
class UndefResultChecker
- : public CheckerVisitor<UndefResultChecker> {
+ : public Checker< check::PostStmt<BinaryOperator> > {
- BugType *BT;
+ mutable llvm::OwningPtr<BugType> BT;
public:
- UndefResultChecker() : BT(0) {}
- static void *getTag() { static int tag = 0; return &tag; }
- void PostVisitBinaryOperator(CheckerContext &C, const BinaryOperator *B);
+ void checkPostStmt(const BinaryOperator *B, CheckerContext &C) const;
};
} // end anonymous namespace
-void ento::RegisterUndefResultChecker(ExprEngine &Eng) {
- Eng.registerCheck(new UndefResultChecker());
-}
-
-void UndefResultChecker::PostVisitBinaryOperator(CheckerContext &C,
- const BinaryOperator *B) {
+void UndefResultChecker::checkPostStmt(const BinaryOperator *B,
+ CheckerContext &C) const {
const GRState *state = C.getState();
if (state->getSVal(B).isUndef()) {
// Generate an error node.
@@ -47,7 +43,7 @@ void UndefResultChecker::PostVisitBinaryOperator(CheckerContext &C,
return;
if (!BT)
- BT = new BuiltinBug("Result of operation is garbage or undefined");
+ BT.reset(new BuiltinBug("Result of operation is garbage or undefined"));
llvm::SmallString<256> sbuf;
llvm::raw_svector_ostream OS(sbuf);
@@ -85,3 +81,7 @@ void UndefResultChecker::PostVisitBinaryOperator(CheckerContext &C,
C.EmitReport(report);
}
}
+
+void ento::registerUndefResultChecker(CheckerManager &mgr) {
+ mgr.registerChecker<UndefResultChecker>();
+}
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