clang-tools-extra/clang-tidy/bugprone/StandaloneEmptyCheck.h

   1 //===--- StandaloneEmptyCheck.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_BUGPRONE_STANDALONEEMPTYCHECK_H
  10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_STANDALONEEMPTYCHECK_H
  11
  12 #include "../ClangTidyCheck.h"
  13
  14 namespace clang::tidy::bugprone {
  15
  16 /// Checks for ignored calls to `empty()` on a range and suggests `clear()`
  17 /// as an alternative if it is an existing member function.
  18 ///
  19 /// For the user-facing documentation see:
  20 /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/standalone-empty.html
  21 class StandaloneEmptyCheck : public ClangTidyCheck {
  22 public:
  23   StandaloneEmptyCheck(StringRef Name, ClangTidyContext *Context)
  24       : ClangTidyCheck(Name, Context) {}
  25   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
  26     return LangOpts.CPlusPlus;
  27   }
  28   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  29   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  30 };
  31
  32 } // namespace clang::tidy::bugprone
  33
  34 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_STANDALONEEMPTYCHECK_H