137 bool Message::SortBefore(const Message &that) const {  in SortBefore()
158 bool Message::IsFatal() const {  in IsFatal()
162 Severity Message::severity() const {  in severity()
172 Message &Message::set_severity(Severity severity) {  in set_severity()
183 std::string Message::ToString() const {  in ToString()
195 void Message::ResolveProvenances(const AllCookedSources &allCooked) {  in ResolveProvenances()
202   if (Message * attachment{attachment_.get()}) {  in ResolveProvenances()
207 std::optional<ProvenanceRange> Message::GetProvenanceRange(  in GetProvenanceRange()
237 void Message::Emit(llvm::raw_ostream &o, const AllCookedSources &allCooked,  in Emit()
244   for (const Message *attachment{attachment_.get()}; attachment;  in Emit()
255 bool Message::operator==(const Message &that) const {  in operator ==()
261   const Message *thatAttachment{that.attachment_.get()};  in operator ==()
262   for (const Message *attachment{attachment_.get()}; attachment;  in operator ==()
274 bool Message::Merge(const Message &that) {  in Merge()
288 Message &Message::Attach(Message *m) {  in Attach()
294       attachment_ = new Message{*attachment_};  in Attach()
301 Message &Message::Attach(std::unique_ptr<Message> &&m) {  in Attach()
305 bool Message::AtSameLocation(const Message &that) const {  in AtSameLocation()
319 bool Messages::Merge(const Message &msg) {  in Merge()
348   for (const Message &m : that.messages_) {  in Copy()
349     Message copy{m};  in Copy()
355   for (Message &m : messages_) {  in ResolveProvenances()
362   std::vector<const Message *> sorted;  in Emit()
367       [](const Message *x, const Message *y) { return x->SortBefore(*y); });  in Emit()
368   const Message *lastMsg{nullptr};  in Emit()
369   for (const Message *msg : sorted) {  in Emit()
379 void Messages::AttachTo(Message &msg, std::optional<Severity> severity) {  in AttachTo()
380   for (Message &m : messages_) {  in AttachTo()
381     Message m2{std::move(m)};  in AttachTo()