1 //===--- RedundantCastingCheck.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_READABILITY_REDUNDANTCASTINGCHECK_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_REDUNDANTCASTINGCHECK_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang::tidy::readability {
15 
16 /// Detects explicit type casting operations that involve the same source and
17 /// destination types, and subsequently recommend their removal.
18 ///
19 /// For the user-facing documentation see:
20 /// http://clang.llvm.org/extra/clang-tidy/checks/readability/redundant-casting.html
21 class RedundantCastingCheck : public ClangTidyCheck {
22 public:
23   RedundantCastingCheck(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;
getCheckTraversalKind()27   std::optional<TraversalKind> getCheckTraversalKind() const override {
28     return TK_IgnoreUnlessSpelledInSource;
29   }
30 
31 private:
32   const bool IgnoreMacros;
33   const bool IgnoreTypeAliases;
34 };
35 
36 } // namespace clang::tidy::readability
37 
38 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_REDUNDANTCASTINGCHECK_H
39