59   if (!ModuleScopes.empty() &&  in ActOnGlobalModuleFragmentDecl()
60       ModuleScopes.back().Module->Kind == Module::GlobalModuleFragment) {  in ActOnGlobalModuleFragmentDecl()
65     ModuleScopes.back().BeginLoc = ModuleLoc;  in ActOnGlobalModuleFragmentDecl()
76   ModuleScopes.push_back({});  in ActOnGlobalModuleFragmentDecl()
77   ModuleScopes.back().BeginLoc = ModuleLoc;  in ActOnGlobalModuleFragmentDecl()
78   ModuleScopes.back().Module = GlobalModule;  in ActOnGlobalModuleFragmentDecl()
124   assert(ModuleScopes.size() <= 1 && "expected to be at global module scope");  in ActOnModuleDecl()
130   if (!ModuleScopes.empty() &&  in ActOnModuleDecl()
131       ModuleScopes.back().Module->isModulePurview()) {  in ActOnModuleDecl()
133     Diag(VisibleModules.getImportLoc(ModuleScopes.back().Module),  in ActOnModuleDecl()
140   if (!ModuleScopes.empty() &&  in ActOnModuleDecl()
141       ModuleScopes.back().Module->Kind == Module::GlobalModuleFragment)  in ActOnModuleDecl()
142     GlobalModuleFragment = ModuleScopes.back().Module;  in ActOnModuleDecl()
149         ModuleScopes.empty()  in ActOnModuleDecl()
151             : ModuleScopes.back().BeginLoc;  in ActOnModuleDecl()
220     ModuleScopes.push_back({});  in ActOnModuleDecl()
222       ModuleScopes.back().OuterVisibleModules = std::move(VisibleModules);  in ActOnModuleDecl()
229   ModuleScopes.back().BeginLoc = StartLoc;  in ActOnModuleDecl()
230   ModuleScopes.back().Module = Mod;  in ActOnModuleDecl()
231   ModuleScopes.back().ModuleInterface = MDK != ModuleDeclKind::Implementation;  in ActOnModuleDecl()
251   switch (ModuleScopes.empty() ? Module::GlobalModuleFragment  in ActOnPrivateModuleFragmentDecl()
252                                : ModuleScopes.back().Module->Kind) {  in ActOnPrivateModuleFragmentDecl()
260     Diag(ModuleScopes.back().BeginLoc, diag::note_previous_definition);  in ActOnPrivateModuleFragmentDecl()
267   if (!ModuleScopes.back().ModuleInterface) {  in ActOnPrivateModuleFragmentDecl()
269     Diag(ModuleScopes.back().BeginLoc,  in ActOnPrivateModuleFragmentDecl()
271         << FixItHint::CreateInsertion(ModuleScopes.back().BeginLoc, "export ");  in ActOnPrivateModuleFragmentDecl()
286           ModuleScopes.back().Module, PrivateLoc);  in ActOnPrivateModuleFragmentDecl()
290   ModuleScopes.push_back({});  in ActOnPrivateModuleFragmentDecl()
291   ModuleScopes.back().BeginLoc = ModuleLoc;  in ActOnPrivateModuleFragmentDecl()
292   ModuleScopes.back().Module = PrivateModuleFragment;  in ActOnPrivateModuleFragmentDecl()
293   ModuleScopes.back().ModuleInterface = true;  in ActOnPrivateModuleFragmentDecl()
390   if (!ModuleScopes.empty())  in ActOnModuleImport()
391     Context.addModuleInitializer(ModuleScopes.back().Module, Import);  in ActOnModuleImport()
394   if (!ModuleScopes.empty() && ModuleScopes.back().ModuleInterface) {  in ActOnModuleImport()
428     if (!ModuleScopes.empty())  in BuildModuleInclude()
429       Context.addModuleInitializer(ModuleScopes.back().Module, ImportD);  in BuildModuleInclude()
441   ModuleScopes.push_back({});  in ActOnModuleBegin()
442   ModuleScopes.back().Module = Mod;  in ActOnModuleBegin()
444     ModuleScopes.back().OuterVisibleModules = std::move(VisibleModules);  in ActOnModuleBegin()
464     VisibleModules = std::move(ModuleScopes.back().OuterVisibleModules);  in ActOnModuleEnd()
470   assert(!ModuleScopes.empty() && ModuleScopes.back().Module == Mod &&  in ActOnModuleEnd()
472   ModuleScopes.pop_back();  in ActOnModuleEnd()
534   if (ModuleScopes.empty() || !ModuleScopes.back().Module->isModulePurview()) {  in ActOnStartExportDecl()
536   } else if (!ModuleScopes.back().ModuleInterface) {  in ActOnStartExportDecl()
538     Diag(ModuleScopes.back().BeginLoc,  in ActOnStartExportDecl()
540         << FixItHint::CreateInsertion(ModuleScopes.back().BeginLoc, "export ");  in ActOnStartExportDecl()
541   } else if (ModuleScopes.back().Module->Kind ==  in ActOnStartExportDecl()
544     Diag(ModuleScopes.back().BeginLoc, diag::note_private_module_fragment);  in ActOnStartExportDecl()