forked from OSchip/llvm-project
61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
//===--- TemporaryObjectsCheck.cpp - clang-tidy----------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "TemporaryObjectsCheck.h"
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#include "../utils/OptionsUtils.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/ASTMatchers/ASTMatchFinder.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ADT/SmallVector.h"
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#include <string>
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using namespace clang::ast_matchers;
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namespace clang {
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namespace tidy {
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namespace zircon {
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AST_MATCHER_P(CXXRecordDecl, matchesAnyName, ArrayRef<StringRef>, Names) {
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std::string QualifiedName = Node.getQualifiedNameAsString();
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return llvm::any_of(Names,
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[&](StringRef Name) { return QualifiedName == Name; });
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}
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void TemporaryObjectsCheck::registerMatchers(MatchFinder *Finder) {
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// Matcher for default constructors.
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Finder->addMatcher(
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cxxTemporaryObjectExpr(hasDeclaration(cxxConstructorDecl(hasParent(
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cxxRecordDecl(matchesAnyName(Names))))))
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.bind("temps"),
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this);
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// Matcher for user-defined constructors.
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Finder->addMatcher(
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traverse(TK_AsIs,
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cxxConstructExpr(hasParent(cxxFunctionalCastExpr()),
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hasDeclaration(cxxConstructorDecl(hasParent(
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cxxRecordDecl(matchesAnyName(Names))))))
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.bind("temps")),
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this);
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}
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void TemporaryObjectsCheck::check(const MatchFinder::MatchResult &Result) {
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if (const auto *D = Result.Nodes.getNodeAs<CXXConstructExpr>("temps"))
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diag(D->getLocation(),
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"creating a temporary object of type %q0 is prohibited")
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<< D->getConstructor()->getParent();
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}
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void TemporaryObjectsCheck::storeOptions(ClangTidyOptions::OptionMap &Opts) {
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Options.store(Opts, "Names", utils::options::serializeStringList(Names));
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}
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} // namespace zircon
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} // namespace tidy
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} // namespace clang
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