1 //===--- AvoidReferenceCoroutineParametersCheck.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_CPPCOREGUIDELINES_AVOIDREFERENCECOROUTINEPARAMETERSCHECK_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_AVOIDREFERENCECOROUTINEPARAMETERSCHECK_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang::tidy::cppcoreguidelines {
15 
16 /// Warns on coroutines that accept reference parameters. Accessing a reference
17 /// after a coroutine suspension point is not safe since the reference may no
18 /// longer be valid. This implements CppCoreGuideline CP.53.
19 ///
20 /// For the user-facing documentation see:
21 /// http://clang.llvm.org/extra/clang-tidy/checks/cppcoreguidelines/avoid-reference-coroutine-parameters.html
22 class AvoidReferenceCoroutineParametersCheck : public ClangTidyCheck {
23 public:
AvoidReferenceCoroutineParametersCheck(StringRef Name,ClangTidyContext * Context)24   AvoidReferenceCoroutineParametersCheck(StringRef Name,
25                                          ClangTidyContext *Context)
26       : ClangTidyCheck(Name, Context) {}
27   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
28   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
isLanguageVersionSupported(const LangOptions & LangOpts)29   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
30     return LangOpts.CPlusPlus20;
31   }
32 };
33 
34 } // namespace clang::tidy::cppcoreguidelines
35 
36 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_AVOIDREFERENCECOROUTINEPARAMETERSCHECK_H
37