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//===- TaintManager.h - Managing taint --------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file provides APIs for adding, removing, querying symbol taint.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_TAINTMANAGER_H
#define LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_TAINTMANAGER_H
#include "clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/ProgramStateTrait.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/SymExpr.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/TaintTag.h"
#include "llvm/ADT/ImmutableMap.h"
namespace clang {
namespace ento {
/// The GDM component containing the tainted root symbols. We lazily infer the
/// taint of the dependent symbols. Currently, this is a map from a symbol to
/// tag kind. TODO: Should support multiple tag kinds.
// FIXME: This does not use the nice trait macros because it must be accessible
// from multiple translation units.
struct TaintMap {};
using TaintMapImpl = llvm::ImmutableMap<SymbolRef, TaintTagType>;
template<> struct ProgramStateTrait<TaintMap>
: public ProgramStatePartialTrait<TaintMapImpl> {
static void *GDMIndex();
};
/// The GDM component mapping derived symbols' parent symbols to their
/// underlying regions. This is used to efficiently check whether a symbol is
/// tainted when it represents a sub-region of a tainted symbol.
struct DerivedSymTaint {};
using DerivedSymTaintImpl = llvm::ImmutableMap<SymbolRef, TaintedSubRegions>;
template<> struct ProgramStateTrait<DerivedSymTaint>
: public ProgramStatePartialTrait<DerivedSymTaintImpl> {
static void *GDMIndex();
};
class TaintManager {
TaintManager() = default;
};
} // namespace ento
} // namespace clang
#endif // LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_TAINTMANAGER_H
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