1 //===--- BranchCloneCheck.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_BUGPRONE_BRANCHCLONECHECK_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_BRANCHCLONECHECK_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang::tidy::bugprone {
15 
16 /// A check for detecting if/else if/else chains where two or more branches are
17 /// Type I clones of each other (that is, they contain identical code), for
18 /// detecting switch statements where two or more consecutive branches are
19 /// Type I clones of each other, and for detecting conditional operators where
20 /// the true and false expressions are Type I clones of each other.
21 ///
22 /// For the user-facing documentation see:
23 /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/branch-clone.html
24 class BranchCloneCheck : public ClangTidyCheck {
25 public:
BranchCloneCheck(StringRef Name,ClangTidyContext * Context)26   BranchCloneCheck(StringRef Name, ClangTidyContext *Context)
27       : ClangTidyCheck(Name, Context) {}
28   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
29   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
getCheckTraversalKind()30   std::optional<TraversalKind> getCheckTraversalKind() const override {
31     return TK_IgnoreUnlessSpelledInSource;
32   }
33 };
34 
35 } // namespace clang::tidy::bugprone
36 
37 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_BRANCHCLONECHECK_H
38