8a8f77c1b8
Warn when a lambda specifies a default capture and captures ``this``. Offer FixIts to correct the code. Reviewed By: njames93, carlosgalvezp Differential Revision: https://reviews.llvm.org/D141133
42 lines
1.9 KiB
C++
42 lines
1.9 KiB
C++
//===--- AvoidCaptureDefaultWhenCapturingThisCheck.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_CPPCOREGUIDELINES_AVOIDCAPTUREDEFAULTWHENCAPTURINGTHISCHECK_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_AVOIDCAPTUREDEFAULTWHENCAPTURINGTHISCHECK_H
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#include "../ClangTidyCheck.h"
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namespace clang::tidy::cppcoreguidelines {
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/// Warns when lambda specify a capture default and capture ``this``. The check
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/// also offers fix-its.
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///
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/// Capture defaults in lambas defined within member functions can be
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/// misleading about whether capturing data member is by value or reference.
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/// For example, [=] will capture local variables by value but member variables
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/// by reference. CppCoreGuideline F.54 suggests to always be explicit
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/// and never specify a capture default when also capturing this.
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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/cppcoreguidelines/avoid-capture-default-when-capturing-this.html
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class AvoidCaptureDefaultWhenCapturingThisCheck : public ClangTidyCheck {
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public:
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AvoidCaptureDefaultWhenCapturingThisCheck(StringRef Name,
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ClangTidyContext *Context)
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: ClangTidyCheck(Name, Context) {}
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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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bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
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return LangOpts.CPlusPlus11;
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}
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};
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} // namespace clang::tidy::cppcoreguidelines
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_AVOIDCAPTUREDEFAULTWHENCAPTURINGTHISCHECK_H
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