clang-tidy/misc/UseInternalLinkageCheck.h

0001 //===--- UseInternalLinkageCheck.h - clang-tidy -----------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_USEINTERNALLINKAGECHECK_H
0010 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_USEINTERNALLINKAGECHECK_H
0011
0012 #include "../ClangTidyCheck.h"
0013
0014 namespace clang::tidy::misc {
0015
0016 /// Detects variables and functions that can be marked as static or moved into
0017 /// an anonymous namespace to enforce internal linkage.
0018 ///
0019 /// For the user-facing documentation see:
0020 /// http://clang.llvm.org/extra/clang-tidy/checks/misc/use-internal-linkage.html
0021 class UseInternalLinkageCheck : public ClangTidyCheck {
0022 public:
0023   UseInternalLinkageCheck(StringRef Name, ClangTidyContext *Context);
0024   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
0025   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
0026   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
0027   std::optional<TraversalKind> getCheckTraversalKind() const override {
0028     return TK_IgnoreUnlessSpelledInSource;
0029   }
0030
0031   enum class FixModeKind {
0032     None,
0033     UseStatic,
0034   };
0035
0036 private:
0037   FileExtensionsSet HeaderFileExtensions;
0038   FixModeKind FixMode;
0039 };
0040
0041 } // namespace clang::tidy::misc
0042
0043 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_USEINTERNALLINKAGECHECK_H