59 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 "TemporaryObjectsCheck.h"10#include "../utils/OptionsUtils.h"11#include "clang/AST/ASTContext.h"12#include "clang/ASTMatchers/ASTMatchFinder.h"13#include "llvm/ADT/STLExtras.h"14#include <string>15 16using namespace clang::ast_matchers;17 18namespace clang::tidy::fuchsia {19 20namespace {21 22AST_MATCHER_P(CXXRecordDecl, matchesAnyName, ArrayRef<StringRef>, Names) {23 const std::string QualifiedName = Node.getQualifiedNameAsString();24 return llvm::is_contained(Names, QualifiedName);25}26 27} // namespace28 29void TemporaryObjectsCheck::registerMatchers(MatchFinder *Finder) {30 // Matcher for default constructors.31 Finder->addMatcher(32 cxxTemporaryObjectExpr(hasDeclaration(cxxConstructorDecl(hasParent(33 cxxRecordDecl(matchesAnyName(Names))))))34 .bind("temps"),35 this);36 37 // Matcher for user-defined constructors.38 Finder->addMatcher(39 traverse(TK_AsIs,40 cxxConstructExpr(hasParent(cxxFunctionalCastExpr()),41 hasDeclaration(cxxConstructorDecl(hasParent(42 cxxRecordDecl(matchesAnyName(Names))))))43 .bind("temps")),44 this);45}46 47void TemporaryObjectsCheck::check(const MatchFinder::MatchResult &Result) {48 if (const auto *D = Result.Nodes.getNodeAs<CXXConstructExpr>("temps"))49 diag(D->getLocation(),50 "creating a temporary object of type %q0 is prohibited")51 << D->getConstructor()->getParent();52}53 54void TemporaryObjectsCheck::storeOptions(ClangTidyOptions::OptionMap &Opts) {55 Options.store(Opts, "Names", utils::options::serializeStringList(Names));56}57 58} // namespace clang::tidy::fuchsia59