| //===--- OverloadedUnaryAndCheck.cpp - clang-tidy ---------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "OverloadedUnaryAndCheck.h" |
| #include "clang/AST/ASTContext.h" |
| #include "clang/ASTMatchers/ASTMatchFinder.h" |
| #include "clang/ASTMatchers/ASTMatchers.h" |
| |
| using namespace clang::ast_matchers; |
| |
| namespace clang { |
| namespace tidy { |
| namespace google { |
| namespace runtime { |
| |
| void OverloadedUnaryAndCheck::registerMatchers( |
| ast_matchers::MatchFinder *Finder) { |
| // Match unary methods that overload operator&. |
| Finder->addMatcher( |
| cxxMethodDecl(parameterCountIs(0), hasOverloadedOperatorName("&")) |
| .bind("overload"), |
| this); |
| // Also match freestanding unary operator& overloads. Be careful not to match |
| // binary methods. |
| Finder->addMatcher(functionDecl(unless(cxxMethodDecl()), parameterCountIs(1), |
| hasOverloadedOperatorName("&")) |
| .bind("overload"), |
| this); |
| } |
| |
| void OverloadedUnaryAndCheck::check(const MatchFinder::MatchResult &Result) { |
| const auto *Decl = Result.Nodes.getNodeAs<FunctionDecl>("overload"); |
| diag(Decl->getBeginLoc(), |
| "do not overload unary operator&, it is dangerous."); |
| } |
| |
| } // namespace runtime |
| } // namespace google |
| } // namespace tidy |
| } // namespace clang |