clang-tools-extra/clang-tidy/performance/NoexceptSwapCheck.h

   1 //===--- NoexceptSwapCheck.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_NOEXCEPTSWAPCHECK_H
  10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_NOEXCEPTSWAPCHECK_H
  11
  12 #include "../ClangTidyCheck.h"
  13 #include "NoexceptFunctionBaseCheck.h"
  14
  15 namespace clang::tidy::performance {
  16
  17 /// The check flags swap functions not marked with `noexcept` or marked
  18 /// with `noexcept(expr)` where `expr` evaluates to `false`
  19 /// (but is not a `false` literal itself).
  20 ///
  21 /// For the user-facing documentation see:
  22 /// https://clang.llvm.org/extra/clang-tidy/checks/performance/noexcept-swap.html
  23 class NoexceptSwapCheck : public NoexceptFunctionBaseCheck {
  24 public:
  25   using NoexceptFunctionBaseCheck::NoexceptFunctionBaseCheck;
  26
  27   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  28
  29 private:
  30   DiagnosticBuilder
  31   reportMissingNoexcept(const FunctionDecl *FuncDecl) final override;
  32   void reportNoexceptEvaluatedToFalse(const FunctionDecl *FuncDecl,
  33                                       const Expr *NoexceptExpr) final override;
  34 };
  35
  36 } // namespace clang::tidy::performance
  37
  38 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_NOEXCEPTSWAPCHECK_H