clang-tidy/bugprone/StandaloneEmptyCheck.h

0001 //===--- StandaloneEmptyCheck.h - clang-tidy --------------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_STANDALONEEMPTYCHECK_H
0010 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_STANDALONEEMPTYCHECK_H
0011
0012 #include "../ClangTidyCheck.h"
0013
0014 namespace clang::tidy::bugprone {
0015
0016 /// Checks for ignored calls to `empty()` on a range and suggests `clear()`
0017 /// as an alternative if it is an existing member function.
0018 ///
0019 /// For the user-facing documentation see:
0020 /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/standalone-empty.html
0021 class StandaloneEmptyCheck : public ClangTidyCheck {
0022 public:
0023   StandaloneEmptyCheck(StringRef Name, ClangTidyContext *Context)
0024       : ClangTidyCheck(Name, Context) {}
0025   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
0026     return LangOpts.CPlusPlus;
0027   }
0028   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
0029   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
0030 };
0031
0032 } // namespace clang::tidy::bugprone
0033
0034 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_STANDALONEEMPTYCHECK_H