clang-tools-extra/clang-tidy/performance/NoexceptDestructorCheck.cpp

   1 //===--- NoexceptDestructorCheck.cpp - clang-tidy -------------------------===//
   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 #include "NoexceptDestructorCheck.h"
  10 #include "clang/ASTMatchers/ASTMatchFinder.h"
  11
  12 using namespace clang::ast_matchers;
  13
  14 // FixItHint - comment added to fix list.rst generation in add_new_check.py.
  15 // Do not remove. Fixes are generated in base class.
  16
  17 namespace clang::tidy::performance {
  18
  19 void NoexceptDestructorCheck::registerMatchers(MatchFinder *Finder) {
  20   Finder->addMatcher(functionDecl(unless(isDeleted()), cxxDestructorDecl())
  21                          .bind(BindFuncDeclName),
  22                      this);
  23 }
  24
  25 DiagnosticBuilder
  26 NoexceptDestructorCheck::reportMissingNoexcept(const FunctionDecl *FuncDecl) {
  27   return diag(FuncDecl->getLocation(), "destructors should "
  28                                        "be marked noexcept");
  29 }
  30
  31 void NoexceptDestructorCheck::reportNoexceptEvaluatedToFalse(
  32     const FunctionDecl *FuncDecl, const Expr *NoexceptExpr) {
  33   diag(NoexceptExpr->getExprLoc(),
  34        "noexcept specifier on the destructor evaluates to 'false'");
  35 }
  36
  37 } // namespace clang::tidy::performance