16 using ProcessTokensFn = llvm::function_ref<void(llvm::ArrayRef<syntax::Token>,
19 void enumerateTokenSpans(const syntax::Tree *Root, ProcessTokensFn Callback) {  in enumerateTokenSpans()
25     void run(const syntax::Tree *Root) {  in enumerateTokenSpans()
33     void process(const syntax::Node *N) {  in enumerateTokenSpans()
34       if (auto *T = dyn_cast<syntax::Tree>(N)) {  in enumerateTokenSpans()
41       auto *L = cast<syntax::Leaf>(N);  in enumerateTokenSpans()
56     const syntax::Token *SpanBegin;  in enumerateTokenSpans()
57     const syntax::Token *SpanEnd;  in enumerateTokenSpans()
65 syntax::FileRange rangeOfExpanded(const syntax::Arena &A,  in rangeOfExpanded()
66                                   llvm::ArrayRef<syntax::Token> Expanded) {  in rangeOfExpanded()
76     return syntax::FileRange(  in rangeOfExpanded()
81   return syntax::Token::range(SM, Spelled->front(), Spelled->back());  in rangeOfExpanded()
86 syntax::computeReplacements(const syntax::Arena &A,  in computeReplacements()
87                             const syntax::TranslationUnit &TU) {  in computeReplacements()
94   auto emitReplacement = [&](llvm::ArrayRef<syntax::Token> ReplacedRange) {  in computeReplacements()
102   const syntax::Token *NextOriginal = Buffer.expandedTokens().begin();  in computeReplacements()
104       &TU, [&](llvm::ArrayRef<syntax::Token> Tokens, bool IsOriginal) {  in computeReplacements()
107               syntax::Token::range(SM, Tokens.front(), Tokens.back()).text(SM);  in computeReplacements()