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authorZhongxing Xu <xuzhongxing@gmail.com>2009-11-13 07:25:27 +0000
committerZhongxing Xu <xuzhongxing@gmail.com>2009-11-13 07:25:27 +0000
commit7b76096474b39505cf81573dcfece32f602408ee (patch)
treea6a55c92f4e4a1ab3ed2f56813baed17a034b6a8 /lib/Analysis/MallocChecker.cpp
parent9400613b54bf56c317786d778f58f45f1080d619 (diff)
Hook up Malloc checker.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@87093 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/MallocChecker.cpp')
-rw-r--r--lib/Analysis/MallocChecker.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/Analysis/MallocChecker.cpp b/lib/Analysis/MallocChecker.cpp
index cbc115f9da..f007aa65da 100644
--- a/lib/Analysis/MallocChecker.cpp
+++ b/lib/Analysis/MallocChecker.cpp
@@ -12,6 +12,7 @@
//
//===----------------------------------------------------------------------===//
+#include "GRExprEngineExperimentalChecks.h"
#include "clang/Analysis/PathSensitive/CheckerVisitor.h"
#include "clang/Analysis/PathSensitive/GRState.h"
#include "clang/Analysis/PathSensitive/GRStateTrait.h"
@@ -33,8 +34,11 @@ class VISIBILITY_HIDDEN MallocChecker : public CheckerVisitor<MallocChecker> {
IdentifierInfo *II_free;
public:
+ MallocChecker() : BT_DoubleFree(0) {}
static void *getTag();
void PostVisitCallExpr(CheckerContext &C, const CallExpr *CE);
+ void EvalDeadSymbols(CheckerContext &C,const Stmt *S,SymbolReaper &SymReaper);
+private:
void MallocMem(CheckerContext &C, const CallExpr *CE);
void FreeMem(CheckerContext &C, const CallExpr *CE);
};
@@ -59,6 +63,10 @@ namespace clang {
};
}
+void clang::RegisterMallocChecker(GRExprEngine &Eng) {
+ Eng.registerCheck(new MallocChecker());
+}
+
void *MallocChecker::getTag() {
static int x;
return &x;
@@ -124,3 +132,7 @@ void MallocChecker::FreeMem(CheckerContext &C, const CallExpr *CE) {
const GRState *FreedState = state->set<RegionState>(Sym, Released);
C.addTransition(C.GenerateNode(CE, FreedState));
}
+
+void MallocChecker::EvalDeadSymbols(CheckerContext &C, const Stmt *S,
+ SymbolReaper &SymReaper) {
+}