37 lines · cpp
1//===----------------------------------------------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#include "ExceptionCopyConstructorThrowsCheck.h"10#include "clang/AST/ASTContext.h"11#include "clang/ASTMatchers/ASTMatchFinder.h"12 13using namespace clang::ast_matchers;14 15namespace clang::tidy::bugprone {16 17void ExceptionCopyConstructorThrowsCheck::registerMatchers(18 MatchFinder *Finder) {19 Finder->addMatcher(20 traverse(21 TK_AsIs,22 cxxThrowExpr(has(ignoringParenImpCasts(23 cxxConstructExpr(hasDeclaration(cxxConstructorDecl(24 isCopyConstructor(), unless(isNoThrow()))))25 .bind("expr"))))),26 this);27}28 29void ExceptionCopyConstructorThrowsCheck::check(30 const MatchFinder::MatchResult &Result) {31 const auto *E = Result.Nodes.getNodeAs<Expr>("expr");32 diag(E->getExprLoc(),33 "thrown exception type is not nothrow copy constructible");34}35 36} // namespace clang::tidy::bugprone37