clang-tidy/modernize/UseIntegerSignComparisonCheck.h

0001 //===--- UseIntegerSignComparisonCheck.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_USEINTEGERSIGNCOMPARISONCHECK_H
0010 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USEINTEGERSIGNCOMPARISONCHECK_H
0011
0012 #include "../ClangTidyCheck.h"
0013 #include "../utils/IncludeInserter.h"
0014 #include "clang/ASTMatchers/ASTMatchFinder.h"
0015
0016 namespace clang::tidy::modernize {
0017
0018 /// Replace comparisons between signed and unsigned integers with their safe
0019 /// C++20 ``std::cmp_*`` alternative, if available.
0020 ///
0021 /// For the user-facing documentation see:
0022 /// http://clang.llvm.org/extra/clang-tidy/checks/modernize/use-integer-sign-comparison.html
0023 class UseIntegerSignComparisonCheck : public ClangTidyCheck {
0024 public:
0025   UseIntegerSignComparisonCheck(StringRef Name, ClangTidyContext *Context);
0026
0027   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
0028   void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP,
0029                            Preprocessor *ModuleExpanderPP) override;
0030   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
0031   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
0032   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
0033     return LangOpts.CPlusPlus20 || (LangOpts.CPlusPlus17 && EnableQtSupport);
0034   }
0035
0036 private:
0037   utils::IncludeInserter IncludeInserter;
0038   const bool EnableQtSupport;
0039 };
0040
0041 } // namespace clang::tidy::modernize
0042
0043 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USEINTEGERSIGNCOMPARISONCHECK_H