aboutsummaryrefslogtreecommitdiff
path: root/clang-tools-extra/clang-tidy/bugprone/OptionalValueConversionCheck.h
blob: b04421994898801da7d45de3d22ac83b0c654648 (plain)
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
//===--- OptionalValueConversionCheck.h - clang-tidy ------------*- 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_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_OPTIONALVALUECONVERSIONCHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_OPTIONALVALUECONVERSIONCHECK_H

#include "../ClangTidyCheck.h"
#include <vector>

namespace clang::tidy::bugprone {

/// Detects potentially unintentional and redundant conversions where a value is
/// extracted from an optional-like type and then used to create a new instance
/// of the same optional-like type.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/optional-value-conversion.html
class OptionalValueConversionCheck : public ClangTidyCheck {
public:
  OptionalValueConversionCheck(StringRef Name, ClangTidyContext *Context);
  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
  std::optional<TraversalKind> getCheckTraversalKind() const override;

private:
  std::vector<StringRef> OptionalTypes;
  std::vector<StringRef> ValueMethods;
};

} // namespace clang::tidy::bugprone

#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_OPTIONALVALUECONVERSIONCHECK_H