177 struct PDLIndexSymbol {  struct
178   explicit PDLIndexSymbol(const ast::Decl *definition)  in PDLIndexSymbol()  argument
180   explicit PDLIndexSymbol(const ods::Operation *definition)  in PDLIndexSymbol()  function
210   const PDLIndexSymbol *lookup(SMLoc loc,
217       llvm::IntervalMap<const char *, const PDLIndexSymbol *,
219                             const char *, const PDLIndexSymbol *>::LeafSize,
230   DenseMap<const void *, std::unique_ptr<PDLIndexSymbol>> defToSymbol;
236   auto getOrInsertDef = [&](const auto *def) -> PDLIndexSymbol * {  in initialize()
239       it.first->second = std::make_unique<PDLIndexSymbol>(def);  in initialize()
242   auto insertDeclRef = [&](PDLIndexSymbol *sym, SMRange refLoc,  in initialize()
257     PDLIndexSymbol *symbol = getOrInsertDef(odsOp);  in initialize()
271       PDLIndexSymbol *declSym = getOrInsertDef(decl);  in initialize()
285 const PDLIndexSymbol *PDLIndex::lookup(SMLoc loc,  in lookup()
463   const PDLIndexSymbol *symbol = index.lookup(posLoc);  in getLocationsOf()
474   const PDLIndexSymbol *symbol = index.lookup(posLoc);  in findReferencesOf()
508   const PDLIndexSymbol *symbol = index.lookup(posLoc, &hoverRange);  in findHover()