39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
|
//===--- VirtualInheritanceCheck.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 "VirtualInheritanceCheck.h"
|
||
|
|
#include "clang/AST/ASTContext.h"
|
||
|
|
#include "clang/ASTMatchers/ASTMatchFinder.h"
|
||
|
|
|
||
|
|
using namespace clang::ast_matchers;
|
||
|
|
|
||
|
|
namespace clang::tidy::fuchsia {
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
AST_MATCHER(CXXRecordDecl, hasDirectVirtualBaseClass) {
|
||
|
|
if (!Node.hasDefinition()) return false;
|
||
|
|
if (!Node.getNumVBases()) return false;
|
||
|
|
for (const CXXBaseSpecifier &Base : Node.bases())
|
||
|
|
if (Base.isVirtual()) return true;
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
} // namespace
|
||
|
|
|
||
|
|
void VirtualInheritanceCheck::registerMatchers(MatchFinder *Finder) {
|
||
|
|
// Defining classes using direct virtual inheritance is disallowed.
|
||
|
|
Finder->addMatcher(cxxRecordDecl(hasDirectVirtualBaseClass()).bind("decl"),
|
||
|
|
this);
|
||
|
|
}
|
||
|
|
|
||
|
|
void VirtualInheritanceCheck::check(const MatchFinder::MatchResult &Result) {
|
||
|
|
if (const auto *D = Result.Nodes.getNodeAs<CXXRecordDecl>("decl"))
|
||
|
|
diag(D->getBeginLoc(), "direct virtual inheritance is disallowed");
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace clang::tidy::fuchsia
|