//===- 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.To0
;

  }

  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