clang-tools  14.0.0git
NoexceptMoveConstructorCheck.h
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1 //===--- NoexceptMoveConstructorCheck.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_PERFORMANCE_NOEXCEPTMOVECONSTRUCTORCHECK_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_NOEXCEPTMOVECONSTRUCTORCHECK_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang {
15 namespace tidy {
16 namespace performance {
17 
18 /// The check flags user-defined move constructors and assignment operators not
19 /// marked with `noexcept` or marked with `noexcept(expr)` where `expr`
20 /// evaluates to `false` (but is not a `false` literal itself).
21 ///
22 /// Move constructors of all the types used with STL containers, for example,
23 /// need to be declared `noexcept`. Otherwise STL will choose copy constructors
24 /// instead. The same is valid for move assignment operations.
26 public:
28  : ClangTidyCheck(Name, Context) {}
29  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
30  return LangOpts.CPlusPlus11;
31  }
32  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
33  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
34 };
35 
36 } // namespace performance
37 } // namespace tidy
38 } // namespace clang
39 
40 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_NOEXCEPTMOVECONSTRUCTORCHECK_H
clang::tidy::ClangTidyCheck
Base class for all clang-tidy checks.
Definition: ClangTidyCheck.h:54
clang::tidy::performance::NoexceptMoveConstructorCheck::registerMatchers
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
Definition: NoexceptMoveConstructorCheck.cpp:21
clang::tidy::performance::NoexceptMoveConstructorCheck::NoexceptMoveConstructorCheck
NoexceptMoveConstructorCheck(StringRef Name, ClangTidyContext *Context)
Definition: NoexceptMoveConstructorCheck.h:27
clang::tidy::performance::NoexceptMoveConstructorCheck::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: NoexceptMoveConstructorCheck.h:29
clang::tidy::ClangTidyContext
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
Definition: ClangTidyDiagnosticConsumer.h:72
Name
static constexpr llvm::StringLiteral Name
Definition: UppercaseLiteralSuffixCheck.cpp:28
clang::tidy::performance::NoexceptMoveConstructorCheck
The check flags user-defined move constructors and assignment operators not marked with noexcept or m...
Definition: NoexceptMoveConstructorCheck.h:25
clang::tidy::performance::NoexceptMoveConstructorCheck::check
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Definition: NoexceptMoveConstructorCheck.cpp:29
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27