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- //===--- ForwardingReferenceOverloadCheck.h - clang-tidy---------*- C++ -*-===//
- //
- // 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_BUGPRONE_FORWARDINGREFERENCEOVERLOADCHECK_H
- #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_FORWARDINGREFERENCEOVERLOADCHECK_H
- #include "../ClangTidyCheck.h"
- namespace clang::tidy::bugprone {
- /// The checker looks for constructors that can act as copy or move constructors
- /// through their forwarding reference parameters. If a non const lvalue
- /// reference is passed to the constructor, the forwarding reference parameter
- /// can be a perfect match while the const reference parameter of the copy
- /// constructor can't. The forwarding reference constructor will be called,
- /// which can lead to confusion.
- /// For detailed description of this problem see: Scott Meyers, Effective Modern
- /// C++ Design, item 26.
- ///
- /// For the user-facing documentation see:
- /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/forwarding-reference-overload.html
- class ForwardingReferenceOverloadCheck : public ClangTidyCheck {
- public:
- ForwardingReferenceOverloadCheck(StringRef Name, ClangTidyContext *Context)
- : ClangTidyCheck(Name, Context) {}
- bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
- return LangOpts.CPlusPlus11;
- }
- void registerMatchers(ast_matchers::MatchFinder *Finder) override;
- void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
- };
- } // namespace clang::tidy::bugprone
- #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_FORWARDINGREFERENCEOVERLOADCHECK_H
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