clang-tools-extra/clang-tidy/fuchsia/TrailingReturnCheck.h

   1 //===--- TrailingReturnCheck.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_FUCHSIA_TRAILING_RETURN_H
  10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_FUCHSIA_TRAILING_RETURN_H
  11
  12 #include "../ClangTidyCheck.h"
  13
  14 namespace clang {
  15 namespace tidy {
  16 namespace fuchsia {
  17
  18 /// Functions that have trailing returns are disallowed, except for those
  19 /// using decltype specifiers and lambda with otherwise unutterable
  20 /// return types.
  21 ///
  22 /// For the user-facing documentation see:
  23 /// http://clang.llvm.org/extra/clang-tidy/checks/fuchsia/trailing-return.html
  24 class TrailingReturnCheck : public ClangTidyCheck {
  25 public:
  26   TrailingReturnCheck(StringRef Name, ClangTidyContext *Context)
  27       : ClangTidyCheck(Name, Context) {}
  28   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
  29     return LangOpts.CPlusPlus11;
  30   }
  31   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  32   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  33 };
  34
  35 } // namespace fuchsia
  36 } // namespace tidy
  37 } // namespace clang
  38
  39 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_FUCHSIA_TRAILING_RETURN_H