10 #include "clang/AST/ASTContext.h"
11 #include "clang/ASTMatchers/ASTMatchFinder.h"
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;
29 void VirtualInheritanceCheck::registerMatchers(MatchFinder *Finder) {
31 Finder->addMatcher(cxxRecordDecl(hasDirectVirtualBaseClass()).bind(
"decl"),
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");