1 //===--- IncDecInConditionsCheck.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_INCDECINCONDITIONSCHECK_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_INCDECINCONDITIONSCHECK_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang::tidy::bugprone {
15 
16 /// Detects when a variable is both incremented/decremented and referenced
17 /// inside a complex condition and suggests moving them outside to avoid
18 /// ambiguity in the variable's value.
19 ///
20 /// For the user-facing documentation see:
21 /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/inc-dec-in-conditions.html
22 class IncDecInConditionsCheck : public ClangTidyCheck {
23 public:
IncDecInConditionsCheck(StringRef Name,ClangTidyContext * Context)24   IncDecInConditionsCheck(StringRef Name, ClangTidyContext *Context)
25       : ClangTidyCheck(Name, Context) {}
26   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
27   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
getCheckTraversalKind()28   std::optional<TraversalKind> getCheckTraversalKind() const override {
29     return TK_IgnoreUnlessSpelledInSource;
30   }
31 };
32 
33 } // namespace clang::tidy::bugprone
34 
35 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_INCDECINCONDITIONSCHECK_H
36