1 //===--- UnusedParametersCheck.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_MISC_UNUSED_PARAMETERS_H 10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_UNUSED_PARAMETERS_H 11 12 #include "../ClangTidyCheck.h" 13 14 namespace clang { 15 namespace tidy { 16 namespace misc { 17 18 /// Finds unused parameters and fixes them, so that `-Wunused-parameter` can be 19 /// turned on. 20 class UnusedParametersCheck : public ClangTidyCheck { 21 public: 22 UnusedParametersCheck(StringRef Name, ClangTidyContext *Context); 23 ~UnusedParametersCheck(); 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; 27 28 private: 29 const bool StrictMode; 30 class IndexerVisitor; 31 std::unique_ptr<IndexerVisitor> Indexer; 32 33 void 34 warnOnUnusedParameter(const ast_matchers::MatchFinder::MatchResult &Result, 35 const FunctionDecl *Function, unsigned ParamIndex); 36 }; 37 38 } // namespace misc 39 } // namespace tidy 40 } // namespace clang 41 42 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_UNUSED_PARAMETERS_H 43