forked from OSchip/llvm-project
45 lines
1.9 KiB
C++
45 lines
1.9 KiB
C++
//===--- 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 {
|
|
namespace tidy {
|
|
namespace 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 bugprone
|
|
} // namespace tidy
|
|
} // namespace clang
|
|
|
|
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_FORWARDINGREFERENCEOVERLOADCHECK_H
|