clang-tidy/performance/NoexceptSwapCheck.h

0001 //===--- NoexceptSwapCheck.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_PERFORMANCE_NOEXCEPTSWAPCHECK_H
0010 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_NOEXCEPTSWAPCHECK_H
0011
0012 #include "../ClangTidyCheck.h"
0013 #include "NoexceptFunctionBaseCheck.h"
0014
0015 namespace clang::tidy::performance {
0016
0017 /// The check flags swap functions not marked with `noexcept` or marked
0018 /// with `noexcept(expr)` where `expr` evaluates to `false`
0019 /// (but is not a `false` literal itself).
0020 ///
0021 /// For the user-facing documentation see:
0022 /// https://clang.llvm.org/extra/clang-tidy/checks/performance/noexcept-swap.html
0023 class NoexceptSwapCheck : public NoexceptFunctionBaseCheck {
0024 public:
0025   using NoexceptFunctionBaseCheck::NoexceptFunctionBaseCheck;
0026
0027   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
0028
0029 private:
0030   DiagnosticBuilder
0031   reportMissingNoexcept(const FunctionDecl *FuncDecl) final override;
0032   void reportNoexceptEvaluatedToFalse(const FunctionDecl *FuncDecl,
0033                                       const Expr *NoexceptExpr) final override;
0034 };
0035
0036 } // namespace clang::tidy::performance
0037
0038 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_NOEXCEPTSWAPCHECK_H