216   SymbolTable(const string& name) : impl_(new SymbolTableImpl(name)) {}  in SymbolTable()
219   SymbolTable(const SymbolTable& table) : impl_(table.impl_) {  in SymbolTable()
220     impl_->IncrRefCount();  in SymbolTable()
226     if (!impl_->DecrRefCount()) delete impl_;  in ~SymbolTable()  local
296     return impl_->AddSymbol(symbol, key);  in AddSymbol()
303     return impl_->AddSymbol(symbol);  in AddSymbol()
315     return impl_->Name();  in Name()
322     return impl_->CheckSum();  in CheckSum()
327     return impl_->LabeledCheckSum();  in LabeledCheckSum()
331     return impl_->Write(strm);  in Write()
359     return impl_->Find(key);  in Find()
365     return impl_->Find(symbol);  in Find()
371     return impl_->Find(symbol);  in Find()
377     return impl_->AvailableKey();  in AvailableKey()
383     return impl_->NumSymbols();  in NumSymbols()
387     return impl_->GetNthKey(pos);  in GetNthKey()
391   explicit SymbolTable(SymbolTableImpl* impl) : impl_(impl) {}  in SymbolTable()
395     if (impl_->RefCount() > 1) {  in MutateCheck()
396       impl_->DecrRefCount();  in MutateCheck()
397       impl_ = new SymbolTableImpl(*impl_);  in MutateCheck()
402     return impl_;  in Impl()
406   SymbolTableImpl* impl_;