1 //===--- ImplicitConversionInLoopCheck.h - clang-tidy------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_IMPLICIT_CONVERSION_IN_LOOP_CHECK_H_ 10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_IMPLICIT_CONVERSION_IN_LOOP_CHECK_H_ 11 12 #include "../ClangTidyCheck.h" 13 14 namespace clang::tidy::performance { 15 16 // Checks that in a for range loop, if the provided type is a reference, then 17 // the underlying type is the one returned by the iterator (i.e. that there 18 // isn't any implicit conversion). 19 class ImplicitConversionInLoopCheck : public ClangTidyCheck { 20 public: ImplicitConversionInLoopCheck(StringRef Name,ClangTidyContext * Context)21 ImplicitConversionInLoopCheck(StringRef Name, ClangTidyContext *Context) 22 : ClangTidyCheck(Name, Context) {} isLanguageVersionSupported(const LangOptions & LangOpts)23 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override{ 24 return LangOpts.CPlusPlus11; 25 } 26 void registerMatchers(ast_matchers::MatchFinder *Finder) override; 27 void check(const ast_matchers::MatchFinder::MatchResult &Result) override; 28 29 private: 30 void reportAndFix(const ASTContext *Context, const VarDecl *VD, 31 const Expr *OperatorCall); 32 }; 33 34 } // namespace clang::tidy::performance 35 36 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_IMPLICIT_CONVERSION_IN_LOOP_CHECK_H_ 37