1 //===--- UseUsingCheck.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_MODERNIZE_USE_USING_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USE_USING_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang {
15 namespace tidy {
16 namespace modernize {
17 
18 /// Check finds typedefs and replaces it with usings.
19 ///
20 /// For the user-facing documentation see:
21 /// http://clang.llvm.org/extra/clang-tidy/checks/modernize/use-using.html
22 class UseUsingCheck : public ClangTidyCheck {
23 
24   const bool IgnoreMacros;
25   SourceLocation LastReplacementEnd;
26   llvm::DenseMap<const Decl *, SourceRange> LastTagDeclRanges;
27 
28   std::string FirstTypedefType;
29   std::string FirstTypedefName;
30 
31 public:
32   UseUsingCheck(StringRef Name, ClangTidyContext *Context);
isLanguageVersionSupported(const LangOptions & LangOpts)33   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
34     return LangOpts.CPlusPlus11;
35   }
36   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
37   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
38   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
39 };
40 
41 } // namespace modernize
42 } // namespace tidy
43 } // namespace clang
44 
45 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USE_USING_H
46