1//===- DynamicCastInfo.h - Runtime cast information -------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_DYNAMICCASTINFO_H
10#define LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_DYNAMICCASTINFO_H
11
12#include "clang/AST/Type.h"
13
14namespace clang {
15namespace ento {
16
17class DynamicCastInfo {
18public:
19  enum CastResult { Success, Failure };
20
21  DynamicCastInfo(QualType from, QualType to, CastResult resultKind)
22      : From(from), To(to), ResultKind(resultKind) {}
23
24  QualType from() const { return From; }
25  QualType to() const { return To; }
26
27  bool equals(QualType from, QualType to) const {
28    return From == from && To == to;
29  }
30
31  bool succeeds() const { return ResultKind == CastResult::Success; }
32  bool fails() const { return ResultKind == CastResult::Failure; }
33
34  bool operator==(const DynamicCastInfo &RHS) const {
35    return From == RHS.From && To == RHS.To;
36  }
37  bool operator<(const DynamicCastInfo &RHS) const {
38    return From < RHS.From && To < RHS.To;
39  }
40
41  void Profile(llvm::FoldingSetNodeID &ID) const {
42    ID.Add(From);
43    ID.Add(To);
44    ID.AddInteger(ResultKind);
45  }
46
47private:
48  QualType From, To;
49  CastResult ResultKind;
50};
51
52} // namespace ento
53} // namespace clang
54
55#endif // LLVM_CLANG_STATICANALYZER_CORE_PATHSENSITIVE_DYNAMICCASTINFO_H
56