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//===--- OverloadedOperatorCheck.cpp - clang-tidy--------------------------===//
//
// 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 "OverloadedOperatorCheck.h"
using namespace clang::ast_matchers;
namespace clang {
namespace tidy {
namespace fuchsia {
namespace {
AST_MATCHER(FunctionDecl, isFuchsiaOverloadedOperator) {
if (const auto *CXXMethodNode = dyn_cast<CXXMethodDecl>(&Node)) {
if (CXXMethodNode->isCopyAssignmentOperator() ||
CXXMethodNode->isMoveAssignmentOperator())
return false;
if (CXXMethodNode->getParent()->isLambda())
return false;
}
return Node.isOverloadedOperator();
}
} // namespace
void OverloadedOperatorCheck::registerMatchers(MatchFinder *Finder) {
Finder->addMatcher(functionDecl(isFuchsiaOverloadedOperator()).bind("decl"),
this);
}
void OverloadedOperatorCheck::check(const MatchFinder::MatchResult &Result) {
const auto *D = Result.Nodes.getNodeAs<FunctionDecl>("decl");
assert(D && "No FunctionDecl captured!");
SourceLocation Loc = D->getBeginLoc();
if (Loc.isValid())
diag(Loc, "overloading %0 is disallowed") << D;
}
} // namespace fuchsia
} // namespace tidy
} // namespace clang
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