clang-tidy/bugprone/OptionalValueConversionCheck.h

0001 //===--- OptionalValueConversionCheck.h - clang-tidy ------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_OPTIONALVALUECONVERSIONCHECK_H
0010 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_OPTIONALVALUECONVERSIONCHECK_H
0011
0012 #include "../ClangTidyCheck.h"
0013 #include <vector>
0014
0015 namespace clang::tidy::bugprone {
0016
0017 /// Detects potentially unintentional and redundant conversions where a value is
0018 /// extracted from an optional-like type and then used to create a new instance
0019 /// of the same optional-like type.
0020 ///
0021 /// For the user-facing documentation see:
0022 /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/optional-value-conversion.html
0023 class OptionalValueConversionCheck : public ClangTidyCheck {
0024 public:
0025   OptionalValueConversionCheck(StringRef Name, ClangTidyContext *Context);
0026   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
0027   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
0028   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
0029   std::optional<TraversalKind> getCheckTraversalKind() const override;
0030
0031 private:
0032   std::vector<StringRef> OptionalTypes;
0033   std::vector<StringRef> ValueMethods;
0034 };
0035
0036 } // namespace clang::tidy::bugprone
0037
0038 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_OPTIONALVALUECONVERSIONCHECK_H