1 //===--- UseEmplaceCheck.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_MODERNIZE_USE_EMPLACE_H 10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USE_EMPLACE_H 11 12 #include "../ClangTidyCheck.h" 13 #include <string> 14 #include <vector> 15 16 namespace clang { 17 namespace tidy { 18 namespace modernize { 19 20 /// This check looks for cases when inserting new element into std::vector but 21 /// the element is constructed temporarily. 22 /// It replaces those calls for emplace_back of arguments passed to 23 /// constructor of temporary object. 24 /// 25 /// For the user-facing documentation see: 26 /// http://clang.llvm.org/extra/clang-tidy/checks/modernize-use-emplace.html 27 class UseEmplaceCheck : public ClangTidyCheck { 28 public: 29 UseEmplaceCheck(StringRef Name, ClangTidyContext *Context); isLanguageVersionSupported(const LangOptions & LangOpts)30 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override { 31 return LangOpts.CPlusPlus11; 32 } 33 void registerMatchers(ast_matchers::MatchFinder *Finder) override; 34 void check(const ast_matchers::MatchFinder::MatchResult &Result) override; 35 void storeOptions(ClangTidyOptions::OptionMap &Opts) override; 36 37 private: 38 const bool IgnoreImplicitConstructors; 39 const std::vector<std::string> ContainersWithPushBack; 40 const std::vector<std::string> SmartPointers; 41 const std::vector<std::string> TupleTypes; 42 const std::vector<std::string> TupleMakeFunctions; 43 }; 44 45 } // namespace modernize 46 } // namespace tidy 47 } // namespace clang 48 49 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USE_EMPLACE_H 50