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//===- DynamicTypeMap.h - Dynamic type map ----------------------*- 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 tracking dynamic type information.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_DYNAMICTYPEMAP_H
#define LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_DYNAMICTYPEMAP_H
#include "clang/StaticAnalyzer/Core/PathSensitive/DynamicTypeInfo.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/ProgramState_Fwd.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/ProgramStateTrait.h"
#include "llvm/ADT/ImmutableMap.h"
#include "clang/AST/Type.h"
namespace clang {
namespace ento {
class MemRegion;
/// The GDM component containing the dynamic type info. This is a map from a
/// symbol to its most likely type.
struct DynamicTypeMap {};
using DynamicTypeMapImpl =
llvm::ImmutableMap<const MemRegion *, DynamicTypeInfo>;
template <>
struct ProgramStateTrait<DynamicTypeMap>
: public ProgramStatePartialTrait<DynamicTypeMapImpl> {
static void *GDMIndex() {
static int index = 0;
return &index;
}
};
/// \brief Get dynamic type information for a region.
DynamicTypeInfo getDynamicTypeInfo(ProgramStateRef State,
const MemRegion *Reg);
/// \brief Set dynamic type information of the region; return the new state.
ProgramStateRef setDynamicTypeInfo(ProgramStateRef State, const MemRegion *Reg,
DynamicTypeInfo NewTy);
/// \brief Set dynamic type information of the region; return the new state.
inline ProgramStateRef setDynamicTypeInfo(ProgramStateRef State,
const MemRegion *Reg, QualType NewTy,
bool CanBeSubClassed = true) {
return setDynamicTypeInfo(State, Reg,
DynamicTypeInfo(NewTy, CanBeSubClassed));
}
void printDynamicTypeInfo(ProgramStateRef State, raw_ostream &Out,
const char *NL, const char *Sep);
} // namespace ento
} // namespace clang
#endif // LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_DYNAMICTYPEMAP_H
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