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//== RetainCountDiagnostics.h - Checks for leaks and other issues -*- 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 diagnostics for RetainCountChecker, which implements
// a reference count checker for Core Foundation and Cocoa on (Mac OS X).
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_LIB_STATICANALYZER_CHECKERS_RETAINCOUNTCHECKER_DIAGNOSTICS_H
#define LLVM_CLANG_LIB_STATICANALYZER_CHECKERS_RETAINCOUNTCHECKER_DIAGNOSTICS_H
#include "clang/StaticAnalyzer/Core/BugReporter/BugType.h"
#include "clang/StaticAnalyzer/Core/BugReporter/BugReporterVisitors.h"
#include "clang/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h"
#include "clang/StaticAnalyzer/Core/RetainSummaryManager.h"
namespace clang {
namespace ento {
namespace retaincountchecker {
class CFRefBug : public BugType {
protected:
CFRefBug(const CheckerBase *checker, StringRef name)
: BugType(checker, name, categories::MemoryCoreFoundationObjectiveC) {}
public:
// FIXME: Eventually remove.
virtual const char *getDescription() const = 0;
virtual bool isLeak() const { return false; }
};
typedef ::llvm::DenseMap<const ExplodedNode *, const RetainSummary *>
SummaryLogTy;
class CFRefReport : public BugReport {
protected:
SymbolRef Sym;
public:
CFRefReport(CFRefBug &D, const LangOptions &LOpts,
const SummaryLogTy &Log, ExplodedNode *n, SymbolRef sym,
bool registerVisitor = true);
CFRefReport(CFRefBug &D, const LangOptions &LOpts,
const SummaryLogTy &Log, ExplodedNode *n, SymbolRef sym,
StringRef endText);
llvm::iterator_range<ranges_iterator> getRanges() override {
const CFRefBug& BugTy = static_cast<CFRefBug&>(getBugType());
if (!BugTy.isLeak())
return BugReport::getRanges();
return llvm::make_range(ranges_iterator(), ranges_iterator());
}
};
class CFRefLeakReport : public CFRefReport {
const MemRegion* AllocBinding;
const Stmt *AllocStmt;
// Finds the function declaration where a leak warning for the parameter
// 'sym' should be raised.
void deriveParamLocation(CheckerContext &Ctx, SymbolRef sym);
// Finds the location where a leak warning for 'sym' should be raised.
void deriveAllocLocation(CheckerContext &Ctx, SymbolRef sym);
// Produces description of a leak warning which is printed on the console.
void createDescription(CheckerContext &Ctx);
public:
CFRefLeakReport(CFRefBug &D, const LangOptions &LOpts,
const SummaryLogTy &Log, ExplodedNode *n, SymbolRef sym,
CheckerContext &Ctx);
PathDiagnosticLocation getLocation(const SourceManager &SM) const override {
assert(Location.isValid());
return Location;
}
};
} // end namespace retaincountchecker
} // end namespace ento
} // end namespace clang
#endif
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