xref: /llvm-project/clang-tools-extra/clang-tidy/performance/AvoidEndlCheck.h (revision cd893308b5d4d058b8ec6a2c4b00843d89e25552)
1 //===--- AvoidEndlCheck.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_AVOIDENDLCHECK_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_AVOIDENDLCHECK_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang::tidy::performance {
15 
16 /// ClangTidyCheck Checks to flag for uses of 'std::endl' on streams and
17 /// suggests using the newline character '"\n"' instead.
18 ///
19 /// For the user-facing documentation see:
20 /// https://clang.llvm.org/extra/clang-tidy/checks/performance/avoid-endl.html
21 class AvoidEndlCheck : public ClangTidyCheck {
22 public:
AvoidEndlCheck(StringRef Name,ClangTidyContext * Context)23   AvoidEndlCheck(StringRef Name, ClangTidyContext *Context)
24       : ClangTidyCheck(Name, Context) {}
25 
isLanguageVersionSupported(const LangOptions & LangOpts)26   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
27     return LangOpts.CPlusPlus;
28   }
29 
30   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
31   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
32 
getCheckTraversalKind()33   std::optional<TraversalKind> getCheckTraversalKind() const override {
34     return TK_IgnoreUnlessSpelledInSource;
35   }
36 };
37 
38 } // namespace clang::tidy::performance
39 
40 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_AVOIDENDLCHECK_H
41