clang-tools  10.0.0
VirtualInheritanceCheck.cpp
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1 //===--- VirtualInheritanceCheck.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 
10 #include "clang/AST/ASTContext.h"
11 #include "clang/ASTMatchers/ASTMatchFinder.h"
12 
13 using namespace clang::ast_matchers;
14 
15 namespace clang {
16 namespace tidy {
17 namespace fuchsia {
18 
19 namespace {
20 AST_MATCHER(CXXRecordDecl, hasDirectVirtualBaseClass) {
21  if (!Node.hasDefinition()) return false;
22  if (!Node.getNumVBases()) return false;
23  for (const CXXBaseSpecifier &Base : Node.bases())
24  if (Base.isVirtual()) return true;
25  return false;
26 }
27 } // namespace
28 
29 void VirtualInheritanceCheck::registerMatchers(MatchFinder *Finder) {
30  // Defining classes using direct virtual inheritance is disallowed.
31  Finder->addMatcher(cxxRecordDecl(hasDirectVirtualBaseClass()).bind("decl"),
32  this);
33 }
34 
35 void VirtualInheritanceCheck::check(const MatchFinder::MatchResult &Result) {
36  if (const auto *D = Result.Nodes.getNodeAs<CXXRecordDecl>("decl"))
37  diag(D->getBeginLoc(), "direct virtual inheritance is disallowed");
38 }
39 
40 } // namespace fuchsia
41 } // namespace tidy
42 } // namespace clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
std::unique_ptr< GlobalCompilationDatabase > Base