clang-tidy/modernize/MinMaxUseInitializerListCheck.h

0001 //===--- MinMaxUseInitializerListCheck.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_MODERNIZE_MINMAXUSEINITIALIZERLISTCHECK_H
0010 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_MINMAXUSEINITIALIZERLISTCHECK_H
0011
0012 #include "../ClangTidyCheck.h"
0013 #include "../utils/IncludeInserter.h"
0014
0015 namespace clang::tidy::modernize {
0016
0017 /// Replaces nested ``std::min`` and ``std::max`` calls with an initializer list
0018 /// where applicable.
0019 ///
0020 /// For example:
0021 ///
0022 /// \code
0023 ///   int a = std::max(std::max(i, j), k);
0024 /// \endcode
0025 ///
0026 /// This code is transformed to:
0027 ///
0028 /// \code
0029 ///   int a = std::max({i, j, k});
0030 /// \endcode
0031 class MinMaxUseInitializerListCheck : public ClangTidyCheck {
0032 public:
0033   MinMaxUseInitializerListCheck(StringRef Name, ClangTidyContext *Context);
0034
0035   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
0036   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
0037   void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP,
0038                            Preprocessor *ModuleExpanderPP) override;
0039   void check(const ast_matchers::MatchFinder::MatchResult &Match) override;
0040
0041   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
0042     return LangOpts.CPlusPlus11;
0043   }
0044   std::optional<TraversalKind> getCheckTraversalKind() const override {
0045     return TK_IgnoreUnlessSpelledInSource;
0046   }
0047
0048 private:
0049   bool IgnoreNonTrivialTypes;
0050   std::uint64_t IgnoreTrivialTypesOfSizeAbove;
0051   utils::IncludeInserter Inserter;
0052 };
0053
0054 } // namespace clang::tidy::modernize
0055
0056 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_MINMAXUSEINITIALIZERLISTCHECK_H