clang-tools-extra/clang-tidy/cppcoreguidelines/MissingStdForwardCheck.h

   1 //===--- MissingStdForwardCheck.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_CPPCOREGUIDELINES_MISSINGSTDFORWARDCHECK_H
  10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_MISSINGSTDFORWARDCHECK_H
  11
  12 #include "../ClangTidyCheck.h"
  13
  14 namespace clang::tidy::cppcoreguidelines {
  15
  16 /// Warns when a function accepting a forwarding reference does anything besides
  17 /// forwarding (with std::forward) the parameter in the body of the function.
  18 /// This check implement CppCoreGuideline F.19.
  19 ///
  20 /// For the user-facing documentation see:
  21 /// http://clang.llvm.org/extra/clang-tidy/checks/cppcoreguidelines/missing-std-forward.html
  22 class MissingStdForwardCheck : public ClangTidyCheck {
  23 public:
  24   MissingStdForwardCheck(StringRef Name, ClangTidyContext *Context)
  25       : ClangTidyCheck(Name, Context) {}
  26   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  27   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  28   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
  29     return LangOpts.CPlusPlus11;
  30   }
  31   std::optional<TraversalKind> getCheckTraversalKind() const override {
  32     return TK_IgnoreUnlessSpelledInSource;
  33   }
  34 };
  35
  36 } // namespace clang::tidy::cppcoreguidelines
  37
  38 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_MISSINGSTDFORWARDCHECK_H