//===- DynamicCastInfo.h - Runtime cast information -------------*- 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
 
//
 
//===----------------------------------------------------------------------===//
 
 
 
#ifndef LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_DYNAMICCASTINFO_H
 
#define LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_DYNAMICCASTINFO_H
 
 
 
#include "clang/AST/Type.h"
 
 
 
namespace clang {
 
namespace ento {
 
 
 
class DynamicCastInfo {
 
public:
 
  enum CastResult { Success, Failure };
 
 
 
  DynamicCastInfo(QualType from, QualType to, CastResult resultKind)
 
      : From(from), To(to), ResultKind(resultKind) {}
 
 
 
  QualType from() const { return From; }
 
  QualType to() const { return To; }
 
 
 
  bool equals(QualType from, QualType to) const {
 
    return From == from && To == to;
 
  }
 
 
 
  bool succeeds() const { return ResultKind == CastResult::Success; }
 
  bool fails() const { return ResultKind == CastResult::Failure; }
 
 
 
  bool operator==(const DynamicCastInfo &RHS) const {
 
    return From == RHS.From && To == RHS.To;
 
  }
 
  bool operator<(const DynamicCastInfo &RHS) const {
 
    return From < RHS.From && To < RHS.To;
 
  }
 
 
 
  void Profile(llvm::FoldingSetNodeID &ID) const {
 
    ID.Add(From);
 
    ID.Add(To);
 
    ID.AddInteger(ResultKind);
 
  }
 
 
 
private:
 
  QualType From, To;
 
  CastResult ResultKind;
 
};
 
 
 
} // namespace ento
 
} // namespace clang
 
 
 
#endif // LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_DYNAMICCASTINFO_H