reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
//===- DynamicType.h - Dynamic type related APIs ----------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
//  This file defines APIs that track and query dynamic type information. This
//  information can be used to devirtualize calls during the symbolic execution
//  or do type checking.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_DYNAMICTYPE_H
#define LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_DYNAMICTYPE_H

#include "clang/AST/Type.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/DynamicCastInfo.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/DynamicTypeInfo.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/ProgramStateTrait.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/ProgramState_Fwd.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h"
#include "llvm/ADT/ImmutableMap.h"
#include "llvm/ADT/Optional.h"
#include <utility>

namespace clang {
namespace ento {

/// Get dynamic type information for the region \p MR.
DynamicTypeInfo getDynamicTypeInfo(ProgramStateRef State, const MemRegion *MR);

/// Get raw dynamic type information for the region \p MR.
const DynamicTypeInfo *getRawDynamicTypeInfo(ProgramStateRef State,
                                             const MemRegion *MR);

/// Get dynamic cast information from \p CastFromTy to \p CastToTy of \p MR.
const DynamicCastInfo *getDynamicCastInfo(ProgramStateRef State,
                                          const MemRegion *MR,
                                          QualType CastFromTy,
                                          QualType CastToTy);

/// Set dynamic type information of the region; return the new state.
ProgramStateRef setDynamicTypeInfo(ProgramStateRef State, const MemRegion *MR,
                                   DynamicTypeInfo NewTy);

/// Set dynamic type information of the region; return the new state.
ProgramStateRef setDynamicTypeInfo(ProgramStateRef State, const MemRegion *MR,
                                   QualType NewTy, bool CanBeSubClassed = true);

/// Set dynamic type and cast information of the region; return the new state.
ProgramStateRef setDynamicTypeAndCastInfo(ProgramStateRef State,
                                          const MemRegion *MR,
                                          QualType CastFromTy,
                                          QualType CastToTy,
                                          bool IsCastSucceeds);

/// Removes the dead type informations from \p State.
ProgramStateRef removeDeadTypes(ProgramStateRef State, SymbolReaper &SR);

/// Removes the dead cast informations from \p State.
ProgramStateRef removeDeadCasts(ProgramStateRef State, SymbolReaper &SR);

void printDynamicTypeInfoJson(raw_ostream &Out, ProgramStateRef State,
                              const char *NL = "\n", unsigned int Space = 0,
                              bool IsDot = false);

} // namespace ento
} // namespace clang

#endif // LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_DYNAMICTYPE_H