xref: /llvm-project/clang-tools-extra/clang-tidy/performance/NoexceptDestructorCheck.cpp (revision 1d0759e6c3c2eaa8cbacfd76d409ed80ffd9fe9d)
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 
registerMatchers(MatchFinder * Finder)19 void NoexceptDestructorCheck::registerMatchers(MatchFinder *Finder) {
20   Finder->addMatcher(functionDecl(unless(isDeleted()), cxxDestructorDecl())
21                          .bind(BindFuncDeclName),
22                      this);
23 }
24 
25 DiagnosticBuilder
reportMissingNoexcept(const FunctionDecl * FuncDecl)26 NoexceptDestructorCheck::reportMissingNoexcept(const FunctionDecl *FuncDecl) {
27   return diag(FuncDecl->getLocation(), "destructors should "
28                                        "be marked noexcept");
29 }
30 
reportNoexceptEvaluatedToFalse(const FunctionDecl * FuncDecl,const Expr * NoexceptExpr)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
38