clang-tools
15.0.0git
llvm-project
clang-tools-extra
clang-tidy
bugprone
ForwardingReferenceOverloadCheck.h
Go to the documentation of this file.
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//===--- ForwardingReferenceOverloadCheck.h - clang-tidy---------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_FORWARDINGREFERENCEOVERLOADCHECK_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_FORWARDINGREFERENCEOVERLOADCHECK_H
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#include "../ClangTidyCheck.h"
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namespace
clang
{
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namespace
tidy {
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namespace
bugprone {
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/// The checker looks for constructors that can act as copy or move constructors
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/// through their forwarding reference parameters. If a non const lvalue
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/// reference is passed to the constructor, the forwarding reference parameter
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/// can be a perfect match while the const reference parameter of the copy
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/// constructor can't. The forwarding reference constructor will be called,
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/// which can lead to confusion.
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/// For detailed description of this problem see: Scott Meyers, Effective Modern
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/// C++ Design, item 26.
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///
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/// For the user-facing documentation see:
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/// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/forwarding-reference-overload.html
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class
ForwardingReferenceOverloadCheck
:
public
ClangTidyCheck
{
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public
:
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ForwardingReferenceOverloadCheck
(StringRef
Name
,
ClangTidyContext
*Context)
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:
ClangTidyCheck
(
Name
, Context) {}
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bool
isLanguageVersionSupported
(
const
LangOptions &
LangOpts
)
const override
{
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return
LangOpts
.CPlusPlus11;
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}
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void
registerMatchers
(ast_matchers::MatchFinder *Finder)
override
;
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void
check
(
const
ast_matchers::MatchFinder::MatchResult &Result)
override
;
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};
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}
// namespace bugprone
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}
// namespace tidy
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}
// namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_FORWARDINGREFERENCEOVERLOADCHECK_H
clang::tidy::ClangTidyCheck
Base class for all clang-tidy checks.
Definition:
ClangTidyCheck.h:53
clang::tidy::bugprone::ForwardingReferenceOverloadCheck::isLanguageVersionSupported
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override
Override this to disable registering matchers and PP callbacks if an invalid language version is bein...
Definition:
ForwardingReferenceOverloadCheck.h:33
clang::tidy::bugprone::ForwardingReferenceOverloadCheck
The checker looks for constructors that can act as copy or move constructors through their forwarding...
Definition:
ForwardingReferenceOverloadCheck.h:29
clang::tidy::bugprone::ForwardingReferenceOverloadCheck::check
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Definition:
ForwardingReferenceOverloadCheck.cpp:90
clang::tidy::bugprone::ForwardingReferenceOverloadCheck::ForwardingReferenceOverloadCheck
ForwardingReferenceOverloadCheck(StringRef Name, ClangTidyContext *Context)
Definition:
ForwardingReferenceOverloadCheck.h:31
clang::tidy::ClangTidyContext
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
Definition:
ClangTidyDiagnosticConsumer.h:67
Name
Token Name
Definition:
MacroToEnumCheck.cpp:89
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition:
ApplyReplacements.h:27
LangOpts
const LangOptions * LangOpts
Definition:
ExtractFunction.cpp:366
clang::tidy::bugprone::ForwardingReferenceOverloadCheck::registerMatchers
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
Definition:
ForwardingReferenceOverloadCheck.cpp:62
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