1*0eb7d53cSJulian Schmidt //===--- UseStdNumbersCheck.h - clang-tidy ----------------------*- C++ -*-===// 2*0eb7d53cSJulian Schmidt // 3*0eb7d53cSJulian Schmidt // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0eb7d53cSJulian Schmidt // See https://llvm.org/LICENSE.txt for license information. 5*0eb7d53cSJulian Schmidt // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0eb7d53cSJulian Schmidt // 7*0eb7d53cSJulian Schmidt //===----------------------------------------------------------------------===// 8*0eb7d53cSJulian Schmidt 9*0eb7d53cSJulian Schmidt #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USESTDNUMBERSCHECK_H 10*0eb7d53cSJulian Schmidt #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USESTDNUMBERSCHECK_H 11*0eb7d53cSJulian Schmidt 12*0eb7d53cSJulian Schmidt #include "../ClangTidyCheck.h" 13*0eb7d53cSJulian Schmidt #include "../utils/IncludeInserter.h" 14*0eb7d53cSJulian Schmidt 15*0eb7d53cSJulian Schmidt namespace clang::tidy::modernize { 16*0eb7d53cSJulian Schmidt 17*0eb7d53cSJulian Schmidt /// Finds constants and function calls to math functions that can be replaced 18*0eb7d53cSJulian Schmidt /// with c++20's mathematical constants from the ``numbers`` header and 19*0eb7d53cSJulian Schmidt /// offers fix-it hints. 20*0eb7d53cSJulian Schmidt /// Does not match the use of variables with that value, and instead, 21*0eb7d53cSJulian Schmidt /// offers a replacement at the definition of those variables. 22*0eb7d53cSJulian Schmidt /// 23*0eb7d53cSJulian Schmidt /// For the user-facing documentation see: 24*0eb7d53cSJulian Schmidt /// http://clang.llvm.org/extra/clang-tidy/checks/modernize/use-std-numbers.html 25*0eb7d53cSJulian Schmidt class UseStdNumbersCheck : public ClangTidyCheck { 26*0eb7d53cSJulian Schmidt public: 27*0eb7d53cSJulian Schmidt UseStdNumbersCheck(StringRef Name, ClangTidyContext *Context); 28*0eb7d53cSJulian Schmidt isLanguageVersionSupported(const LangOptions & LangOpts)29*0eb7d53cSJulian Schmidt bool isLanguageVersionSupported(const LangOptions &LangOpts) const override { 30*0eb7d53cSJulian Schmidt return LangOpts.CPlusPlus20; 31*0eb7d53cSJulian Schmidt } 32*0eb7d53cSJulian Schmidt void registerMatchers(ast_matchers::MatchFinder *Finder) override; 33*0eb7d53cSJulian Schmidt void check(const ast_matchers::MatchFinder::MatchResult &Result) override; 34*0eb7d53cSJulian Schmidt void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP, 35*0eb7d53cSJulian Schmidt Preprocessor *ModuleExpanderPP) override; 36*0eb7d53cSJulian Schmidt void storeOptions(ClangTidyOptions::OptionMap &Opts) override; getCheckTraversalKind()37*0eb7d53cSJulian Schmidt std::optional<TraversalKind> getCheckTraversalKind() const override { 38*0eb7d53cSJulian Schmidt return TK_IgnoreUnlessSpelledInSource; 39*0eb7d53cSJulian Schmidt } 40*0eb7d53cSJulian Schmidt 41*0eb7d53cSJulian Schmidt private: 42*0eb7d53cSJulian Schmidt utils::IncludeInserter IncludeInserter; 43*0eb7d53cSJulian Schmidt StringRef DiffThresholdString; 44*0eb7d53cSJulian Schmidt double DiffThreshold; 45*0eb7d53cSJulian Schmidt }; 46*0eb7d53cSJulian Schmidt 47*0eb7d53cSJulian Schmidt } // namespace clang::tidy::modernize 48*0eb7d53cSJulian Schmidt 49*0eb7d53cSJulian Schmidt #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USESTDNUMBERSCHECK_H 50