1 //===--- UnusedReturnValueCheck.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_UNUSEDRETURNVALUECHECK_H 10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNUSEDRETURNVALUECHECK_H 11 12 #include "../ClangTidyCheck.h" 13 #include <string> 14 15 namespace clang { 16 namespace tidy { 17 namespace bugprone { 18 19 /// Detects function calls where the return value is unused. 20 /// 21 /// For the user-facing documentation see: 22 /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone-unused-return-value.html 23 class UnusedReturnValueCheck : public ClangTidyCheck { 24 public: 25 UnusedReturnValueCheck(StringRef Name, ClangTidyContext *Context); 26 void storeOptions(ClangTidyOptions::OptionMap &Opts) override; 27 void registerMatchers(ast_matchers::MatchFinder *Finder) override; 28 void check(const ast_matchers::MatchFinder::MatchResult &Result) override; 29 30 private: 31 std::string CheckedFunctions; 32 }; 33 34 } // namespace bugprone 35 } // namespace tidy 36 } // namespace clang 37 38 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_UNUSEDRETURNVALUECHECK_H 39