//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_MISSINGSTDFORWARDCHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_MISSINGSTDFORWARDCHECK_H

#include "../ClangTidyCheck.h"

namespace clang::tidy::cppcoreguidelines {

/// Warns when a function accepting a forwarding reference does anything besides
/// forwarding (with std::forward) the parameter in the body of the function.
/// This check implement CppCoreGuideline F.19.
///
/// For the user-facing documentation see:
/// https://clang.llvm.org/extra/clang-tidy/checks/cppcoreguidelines/missing-std-forward.html
class MissingStdForwardCheck : public ClangTidyCheck {
public:
  MissingStdForwardCheck(StringRef Name, ClangTidyContext *Context);
  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
    return LangOpts.CPlusPlus11;
  }
  std::optional<TraversalKind> getCheckTraversalKind() const override {
    return TK_IgnoreUnlessSpelledInSource;
  }
  void storeOptions(ClangTidyOptions::OptionMap &Opts) override;

private:
  const StringRef ForwardFunction;
};

} // namespace clang::tidy::cppcoreguidelines

#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_MISSINGSTDFORWARDCHECK_H