1 //===--- ProTypeStaticCastDowncastCheck.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_CPPCOREGUIDELINES_PRO_TYPE_STATIC_CAST_DOWNCAST_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_PRO_TYPE_STATIC_CAST_DOWNCAST_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang::tidy::cppcoreguidelines {
15 
16 /// Checks for usages of static_cast, where a base class is downcasted to a
17 /// derived class.
18 ///
19 /// For the user-facing documentation see:
20 /// http://clang.llvm.org/extra/clang-tidy/checks/cppcoreguidelines/pro-type-static-cast-downcast.html
21 class ProTypeStaticCastDowncastCheck : public ClangTidyCheck {
22 public:
23   ProTypeStaticCastDowncastCheck(StringRef Name, ClangTidyContext *Context);
isLanguageVersionSupported(const LangOptions & LangOpts)24   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
25     return LangOpts.CPlusPlus;
26   }
27   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
28   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
29   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
getCheckTraversalKind()30   std::optional<TraversalKind> getCheckTraversalKind() const override {
31     return TK_IgnoreUnlessSpelledInSource;
32   }
33 
34 private:
35   const bool StrictMode;
36 };
37 
38 } // namespace clang::tidy::cppcoreguidelines
39 
40 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_PRO_TYPE_STATIC_CAST_DOWNCAST_H
41