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Fix a memory leak in the analyzer - BugReports didn't get freed. Plus, remove invalid assert from the destructor which wasn't called previously due to the leak. 

llvm-svn: 138027
This commit is contained in:
Anna Zaks 2011-08-19 01:57:09 +00:00
parent da616d06e9
commit be28d6c66d
2 changed files with 17 additions and 5 deletions
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4
clang/include/clang/StaticAnalyzer/Core/BugReporter/BugReporter.h
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@ -128,7 +128,7 @@ public:
virtual ~BugReport();
bool isOwnedByReporterContext() { return false; }
virtual bool isOwnedByReporterContext() { return false; }
const BugType& getBugType() const { return BT; }
BugType& getBugType() { return BT; }
@ -275,6 +275,8 @@ private:
/// The set of bug reports tracked by the BugReporter.
llvm::FoldingSet<BugReportEquivClass> EQClasses;
/// A vector of BugReports for tracking the allocated pointers and cleanup.
std::vector<BugReportEquivClass *> EQClassesVector;
protected:
BugReporter(BugReporterData& d, Kind k) : BugTypes(F.getEmptySet()), kind(k),

16
clang/lib/StaticAnalyzer/Core/BugReporter.cpp
View File

@ -1224,10 +1224,10 @@ void BugReport::addVisitor(BugReporterVisitor* visitor) {
BugReport::~BugReport() {
for (visitor_iterator I = visitor_begin(), E = visitor_end(); I != E; ++I) {
// TODO: Remove the isOwned method; use reference counting to track visitors?.
assert((*I)->isOwnedByReporterContext());
if ((*I)->isOwnedByReporterContext()) {
delete *I;
}
}
}
void BugReport::Profile(llvm::FoldingSetNodeID& hash) const {
@ -1363,7 +1363,16 @@ ExplodedGraph &GRBugReporter::getGraph() { return Eng.getGraph(); }
ProgramStateManager&
GRBugReporter::getStateManager() { return Eng.getStateManager(); }
BugReporter::~BugReporter() { FlushReports(); }
BugReporter::~BugReporter() {
FlushReports();
// Free the bug reports we are tracking.
typedef std::vector<BugReportEquivClass *> ContTy;
for (ContTy::iterator I = EQClassesVector.begin(), E = EQClassesVector.end();
I != E; ++I) {
delete *I;
}
}
void BugReporter::FlushReports() {
if (BugTypes.isEmpty())
@ -1694,6 +1703,7 @@ void BugReporter::EmitReport(BugReport* R) {
if (!EQ) {
EQ = new BugReportEquivClass(R);
EQClasses.InsertNode(EQ, InsertPos);
EQClassesVector.push_back(EQ);
}
else
EQ->AddReport(R);