forked from OSchip/llvm-project
41 lines
1.6 KiB
C++
41 lines
1.6 KiB
C++
//===--- NoexceptMoveConstructorCheck.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_PERFORMANCE_NOEXCEPTMOVECONSTRUCTORCHECK_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_NOEXCEPTMOVECONSTRUCTORCHECK_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 performance {
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/// The check flags user-defined move constructors and assignment operators not
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/// marked with `noexcept` or marked with `noexcept(expr)` where `expr`
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/// evaluates to `false` (but is not a `false` literal itself).
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///
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/// Move constructors of all the types used with STL containers, for example,
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/// need to be declared `noexcept`. Otherwise STL will choose copy constructors
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/// instead. The same is valid for move assignment operations.
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class NoexceptMoveConstructorCheck : public ClangTidyCheck {
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public:
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NoexceptMoveConstructorCheck(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 performance
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} // namespace tidy
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} // namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_NOEXCEPTMOVECONSTRUCTORCHECK_H
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