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authorArgyrios Kyrtzidis <akyrtzi@gmail.com>2010-12-22 18:52:29 +0000
committerArgyrios Kyrtzidis <akyrtzi@gmail.com>2010-12-22 18:52:29 +0000
commitbce30c533a2b444db97533e3a9a567558120bd70 (patch)
treeb730703a0680231ab757d3f3e607251b4c78e155 /lib/Checker/ReturnUndefChecker.cpp
parent98cabbad47a4d9db6b7e95c950d3302c110d1b02 (diff)
[analyzer] Refactoring: lib/Checker -> lib/GR and libclangChecker -> libclangGRCore
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122421 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Checker/ReturnUndefChecker.cpp')
-rw-r--r--lib/Checker/ReturnUndefChecker.cpp68
1 files changed, 0 insertions, 68 deletions
diff --git a/lib/Checker/ReturnUndefChecker.cpp b/lib/Checker/ReturnUndefChecker.cpp
deleted file mode 100644
index f5e417a1f7..0000000000
--- a/lib/Checker/ReturnUndefChecker.cpp
+++ /dev/null
@@ -1,68 +0,0 @@
-//== ReturnUndefChecker.cpp -------------------------------------*- C++ -*--==//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines ReturnUndefChecker, which is a path-sensitive
-// check which looks for undefined or garbage values being returned to the
-// caller.
-//
-//===----------------------------------------------------------------------===//
-
-#include "GRExprEngineInternalChecks.h"
-#include "clang/GR/BugReporter/BugType.h"
-#include "clang/GR/PathSensitive/CheckerVisitor.h"
-#include "clang/GR/PathSensitive/GRExprEngine.h"
-
-using namespace clang;
-
-namespace {
-class ReturnUndefChecker :
- public CheckerVisitor<ReturnUndefChecker> {
- BuiltinBug *BT;
-public:
- ReturnUndefChecker() : BT(0) {}
- static void *getTag();
- void PreVisitReturnStmt(CheckerContext &C, const ReturnStmt *RS);
-};
-}
-
-void clang::RegisterReturnUndefChecker(GRExprEngine &Eng) {
- Eng.registerCheck(new ReturnUndefChecker());
-}
-
-void *ReturnUndefChecker::getTag() {
- static int x = 0; return &x;
-}
-
-void ReturnUndefChecker::PreVisitReturnStmt(CheckerContext &C,
- const ReturnStmt *RS) {
-
- const Expr *RetE = RS->getRetValue();
- if (!RetE)
- return;
-
- if (!C.getState()->getSVal(RetE).isUndef())
- return;
-
- ExplodedNode *N = C.generateSink();
-
- if (!N)
- return;
-
- if (!BT)
- BT = new BuiltinBug("Garbage return value",
- "Undefined or garbage value returned to caller");
-
- EnhancedBugReport *report =
- new EnhancedBugReport(*BT, BT->getDescription(), N);
-
- report->addRange(RetE->getSourceRange());
- report->addVisitorCreator(bugreporter::registerTrackNullOrUndefValue, RetE);
-
- C.EmitReport(report);
-}