bool MocNg::ShouldRegisterMetaType(clang::QualType T)
{
if (T->isVoidType() || (T->isReferenceType() && !T.getNonReferenceType().isConstQualified()))
return false;
if (registered_meta_type.count(T->getCanonicalTypeUnqualified().getTypePtr()))
return true;
T = T.getNonReferenceType();
if (T->isPointerType()) {
// registering pointer to forward declared type fails.
const clang::CXXRecordDecl* Pointee = T->getPointeeCXXRecordDecl();
if (Pointee && !Pointee->hasDefinition())
return false;
return true;
}
const clang::ClassTemplateSpecializationDecl* TD = llvm::dyn_cast_or_null<clang::ClassTemplateSpecializationDecl>(T->getAsCXXRecordDecl());
if (TD) {
if (!TD->hasDefinition())
return false;
for (uint I = 0; I < TD->getTemplateArgs().size(); ++I) {
const auto &Arg = TD->getTemplateArgs().get(I);
if (Arg.getKind() == clang::TemplateArgument::Type) {
if (!ShouldRegisterMetaType(Arg.getAsType()))
return false;
}
}
}
return true;
}
// updates S.Ok; and, depending on Kind, possibly S.FnAccumulatorOk or S.FnOutConverterOk
void RSExportReduce::checkVoidReturn(StateOfAnalyzeTranslationUnit &S,
FnIdent Kind, clang::FunctionDecl *Fn) {
slangAssert(Fn);
const clang::QualType ReturnTy = Fn->getReturnType().getCanonicalType();
if (!ReturnTy->isVoidType()) {
S.RSC.ReportError(Fn->getLocation(),
"%0 must return void not '%1'")
<< S.DiagnosticDescription(getKey(Kind), Fn->getName()) << ReturnTy.getAsString();
notOk(S, Kind);
}
}