clang-tools-extra/clang-tidy/misc/UseInternalLinkageCheck.h

   1 //===--- UseInternalLinkageCheck.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_MISC_USEINTERNALLINKAGECHECK_H
  10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_USEINTERNALLINKAGECHECK_H
  11
  12 #include "../ClangTidyCheck.h"
  13
  14 namespace clang::tidy::misc {
  15
  16 /// Detects variables and functions that can be marked as static or moved into
  17 /// an anonymous namespace to enforce internal linkage.
  18 ///
  19 /// For the user-facing documentation see:
  20 /// http://clang.llvm.org/extra/clang-tidy/checks/misc/use-internal-linkage.html
  21 class UseInternalLinkageCheck : public ClangTidyCheck {
  22 public:
  23   UseInternalLinkageCheck(StringRef Name, ClangTidyContext *Context);
  24   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  25   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  26   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
  27   std::optional<TraversalKind> getCheckTraversalKind() const override {
  28     return TK_IgnoreUnlessSpelledInSource;
  29   }
  30
  31   enum class FixModeKind {
  32     None,
  33     UseStatic,
  34   };
  35
  36 private:
  37   FileExtensionsSet HeaderFileExtensions;
  38   FixModeKind FixMode;
  39 };
  40
  41 } // namespace clang::tidy::misc
  42
  43 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_USEINTERNALLINKAGECHECK_H