| StringSet.h (243830) | StringSet.h (249423) |
|---|---|
| 1//===--- StringSet.h - The LLVM Compiler Driver -----------------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open 6// Source License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 4 unchanged lines hidden (view full) --- 13 14#ifndef LLVM_ADT_STRINGSET_H 15#define LLVM_ADT_STRINGSET_H 16 17#include "llvm/ADT/StringMap.h" 18 19namespace llvm { 20 | 1//===--- StringSet.h - The LLVM Compiler Driver -----------------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open 6// Source License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 4 unchanged lines hidden (view full) --- 13 14#ifndef LLVM_ADT_STRINGSET_H 15#define LLVM_ADT_STRINGSET_H 16 17#include "llvm/ADT/StringMap.h" 18 19namespace llvm { 20 |
| 21 /// StringSet - A wrapper for StringMap that provides set-like 22 /// functionality. Only insert() and count() methods are used by my 23 /// code. | 21 /// StringSet - A wrapper for StringMap that provides set-like functionality. |
| 24 template <class AllocatorTy = llvm::MallocAllocator> 25 class StringSet : public llvm::StringMap<char, AllocatorTy> { 26 typedef llvm::StringMap<char, AllocatorTy> base; 27 public: | 22 template <class AllocatorTy = llvm::MallocAllocator> 23 class StringSet : public llvm::StringMap<char, AllocatorTy> { 24 typedef llvm::StringMap<char, AllocatorTy> base; 25 public: |
| 28 bool insert(StringRef InLang) { 29 assert(!InLang.empty()); 30 const char *KeyStart = InLang.data(); 31 const char *KeyEnd = KeyStart + InLang.size(); 32 llvm::StringMapEntry<char> *Entry = llvm::StringMapEntry<char>:: 33 Create(KeyStart, KeyEnd, base::getAllocator(), '+'); 34 if (!base::insert(Entry)) { 35 Entry->Destroy(base::getAllocator()); | 26 27 /// insert - Insert the specified key into the set. If the key already 28 /// exists in the set, return false and ignore the request, otherwise insert 29 /// it and return true. 30 bool insert(StringRef Key) { 31 // Get or create the map entry for the key; if it doesn't exist the value 32 // type will be default constructed which we use to detect insert. 33 // 34 // We use '+' as the sentinel value in the map. 35 assert(!Key.empty()); 36 StringMapEntry<char> &Entry = this->GetOrCreateValue(Key); 37 if (Entry.getValue() == '+') |
| 36 return false; | 38 return false; |
| 37 } | 39 Entry.setValue('+'); |
| 38 return true; 39 } 40 }; 41} 42 43#endif // LLVM_ADT_STRINGSET_H | 40 return true; 41 } 42 }; 43} 44 45#endif // LLVM_ADT_STRINGSET_H |