1 //===--- GlobalNamesInHeadersCheck.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_GOOGLE_GLOBALNAMESINHEADERSCHECK_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GOOGLE_GLOBALNAMESINHEADERSCHECK_H
11 
12 #include "../ClangTidyCheck.h"
13 #include "../utils/FileExtensionsUtils.h"
14 
15 namespace clang::tidy::google::readability {
16 
17 /// Flag global namespace pollution in header files.
18 /// Right now it only triggers on using declarations and directives.
19 ///
20 /// For the user-facing documentation see:
21 /// http://clang.llvm.org/extra/clang-tidy/checks/google/global-names-in-headers.html
22 class GlobalNamesInHeadersCheck : public ClangTidyCheck {
23 public:
24   GlobalNamesInHeadersCheck(StringRef Name, ClangTidyContext *Context);
25   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
26   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
27 
28 private:
29   FileExtensionsSet HeaderFileExtensions;
30 };
31 
32 } // namespace clang::tidy::google::readability
33 
34 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GOOGLE_GLOBALNAMESINHEADERSCHECK_H
35