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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/BugReporter/PathDiagnostic.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/ProgramStateTrait.h"
#include "llvm/ADT/ImmutableMap.h"
namespace clang {
namespace ento {
/// The GDM component containing the dynamic type info. This is a map from a
/// symbol to its most likely type.
struct DynamicTypeMap {};
typedef llvm::ImmutableMap<const MemRegion *, DynamicTypeInfo>
DynamicTypeMapImpl;
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));
}
} // ento
} // clang
#endif // LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_DYNAMICTYPEMAP_H
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