48   llvm::Optional<DirectiveTree::Directive> parse(DirectiveTree *Tree,  in parse()
75       DirectiveTree::Directive Directive;  in parse()  local
76       parseDirective(&Directive);  in parse()
77       Cond Kind = classifyDirective(Directive.Kind);  in parse()
82         Conditional.Branches.back().first = std::move(Directive);  in parse()
88         return std::move(Directive);  in parse()
91         Tree->Chunks.push_back(std::move(Directive));  in parse()
122   void parseDirective(DirectiveTree::Directive *D) {  in parseDirective()
154                  const DirectiveTree::Directive &Directive, unsigned Indent,  in dump()  argument
157       "#{0} ({1} tokens){2}\n", tok::getPPKeywordSpelling(Directive.Kind),  in dump()
158       Directive.Tokens.size(), Taken ? " TAKEN" : "");  in dump()
183     return dump(OS, (const DirectiveTree::Directive &)Chunk, Indent);  in dump()
203 OSTREAM_DUMP(DirectiveTree::Directive)
257   Score walk(DirectiveTree::Directive &D) {  in walk()
269       return walk((DirectiveTree::Directive &)C);  in walk()
317   llvm::Optional<bool> isTakenWhenReached(const DirectiveTree::Directive &Dir) {  in isTakenWhenReached()
369       return walk((const DirectiveTree::Directive &)C);  in walk()
383   void walk(const DirectiveTree::Directive &) {}  in walk()  argument