| 1 | //===--- OverloadedOperatorCheck.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 "OverloadedOperatorCheck.h" |
| 10 | |
| 11 | using namespace clang::ast_matchers; |
| 12 | |
| 13 | namespace clang::tidy::fuchsia { |
| 14 | |
| 15 | namespace { |
| 16 | AST_MATCHER(FunctionDecl, isFuchsiaOverloadedOperator) { |
| 17 | if (const auto *CXXMethodNode = dyn_cast<CXXMethodDecl>(Val: &Node)) { |
| 18 | if (CXXMethodNode->isCopyAssignmentOperator() || |
| 19 | CXXMethodNode->isMoveAssignmentOperator()) |
| 20 | return false; |
| 21 | if (CXXMethodNode->getParent()->isLambda()) |
| 22 | return false; |
| 23 | } |
| 24 | return Node.isOverloadedOperator(); |
| 25 | } |
| 26 | } // namespace |
| 27 | |
| 28 | void OverloadedOperatorCheck::registerMatchers(MatchFinder *Finder) { |
| 29 | Finder->addMatcher(NodeMatch: functionDecl(isFuchsiaOverloadedOperator()).bind(ID: "decl"), |
| 30 | Action: this); |
| 31 | } |
| 32 | |
| 33 | void OverloadedOperatorCheck::check(const MatchFinder::MatchResult &Result) { |
| 34 | const auto *D = Result.Nodes.getNodeAs<FunctionDecl>(ID: "decl"); |
| 35 | assert(D && "No FunctionDecl captured!"); |
| 36 | |
| 37 | SourceLocation Loc = D->getBeginLoc(); |
| 38 | if (Loc.isValid()) |
| 39 | diag(Loc, Description: "overloading %0 is disallowed") << D; |
| 40 | } |
| 41 | |
| 42 | } // namespace clang::tidy::fuchsia |
| 43 |