1 //===--- AvoidReturnWithVoidValueCheck.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_AVOIDRETURNWITHVOIDVALUECHECK_H 10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_AVOIDRETURNWITHVOIDVALUECHECK_H 11 12 #include "../ClangTidyCheck.h" 13 14 namespace clang::tidy::readability { 15 16 /// Finds return statements with `void` values used within functions with `void` 17 /// result types. 18 /// 19 /// For the user-facing documentation see: 20 /// http://clang.llvm.org/extra/clang-tidy/checks/readability/avoid-return-with-void-value.html 21 class AvoidReturnWithVoidValueCheck : public ClangTidyCheck { 22 public: 23 AvoidReturnWithVoidValueCheck(StringRef Name, ClangTidyContext *Context); 24 25 void registerMatchers(ast_matchers::MatchFinder *Finder) override; 26 void check(const ast_matchers::MatchFinder::MatchResult &Result) override; 27 28 private: getCheckTraversalKind()29 std::optional<TraversalKind> getCheckTraversalKind() const override { 30 return TK_IgnoreUnlessSpelledInSource; 31 } isLanguageVersionSupported(const LangOptions & LangOpts)32 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override { 33 return LangOpts.CPlusPlus; 34 } 35 void storeOptions(ClangTidyOptions::OptionMap &Opts) override; 36 37 private: 38 bool IgnoreMacros; 39 bool StrictMode; 40 }; 41 42 } // namespace clang::tidy::readability 43 44 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_AVOIDRETURNWITHVOIDVALUECHECK_H 45