| //===--- MoveConstArgCheck.h - clang-tidy -------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_MOVECONSTANTARGUMENTCHECK_H |
| #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_MOVECONSTANTARGUMENTCHECK_H |
| |
| #include "../ClangTidyCheck.h" |
| #include "llvm/ADT/DenseSet.h" |
| |
| namespace clang::tidy::performance { |
| |
| /// Find casts of calculation results to bigger type. Typically from int to |
| /// |
| /// The options are |
| /// |
| /// - `CheckTriviallyCopyableMove`: Whether to check for trivially-copyable |
| // types as their objects are not moved but copied. Enabled by default. |
| // - `CheckMoveToConstRef`: Whether to check if a `std::move()` is passed |
| // as a const reference argument. |
| class MoveConstArgCheck : public ClangTidyCheck { |
| public: |
| MoveConstArgCheck(StringRef Name, ClangTidyContext *Context) |
| : ClangTidyCheck(Name, Context), CheckTriviallyCopyableMove(Options.get( |
| "CheckTriviallyCopyableMove", true)), |
| CheckMoveToConstRef(Options.get("CheckMoveToConstRef", true)) {} |
| bool isLanguageVersionSupported(const LangOptions &LangOpts) const override { |
| return LangOpts.CPlusPlus; |
| } |
| void storeOptions(ClangTidyOptions::OptionMap &Opts) override; |
| void registerMatchers(ast_matchers::MatchFinder *Finder) override; |
| void check(const ast_matchers::MatchFinder::MatchResult &Result) override; |
| |
| private: |
| const bool CheckTriviallyCopyableMove; |
| const bool CheckMoveToConstRef; |
| llvm::DenseSet<const CallExpr *> AlreadyCheckedMoves; |
| }; |
| |
| } // namespace clang::tidy::performance |
| |
| #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_MOVECONSTANTARGUMENTCHECK_H |