a966f45b7e
Adds a check to the Fuchsia module to warn if an operator is overloaded, except move and copy operators. See https://fuchsia.googlesource.com/zircon/+/master/docs/cxx.md for reference. Differential Revision: https://reviews.llvm.org/D41363 llvm-svn: 321363
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
//===--- OverloadedOperatorCheck.cpp - clang-tidy--------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "OverloadedOperatorCheck.h"
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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 fuchsia {
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AST_MATCHER(FunctionDecl, isFuchsiaOverloadedOperator) {
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if (const auto *CXXMethodNode = dyn_cast<CXXMethodDecl>(&Node)) {
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if (CXXMethodNode->isCopyAssignmentOperator() ||
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CXXMethodNode->isMoveAssignmentOperator())
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return false;
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}
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return Node.isOverloadedOperator();
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}
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void OverloadedOperatorCheck::registerMatchers(MatchFinder *Finder) {
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Finder->addMatcher(functionDecl(isFuchsiaOverloadedOperator()).bind("decl"),
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this);
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}
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void OverloadedOperatorCheck::check(const MatchFinder::MatchResult &Result) {
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if (const auto *D = Result.Nodes.getNodeAs<FunctionDecl>("decl"))
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diag(D->getLocStart(), "cannot overload %0") << D;
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}
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} // namespace fuchsia
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} // namespace tidy
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} // namespace clang
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